gl_backend.c

   1
   2 #include "quakedef.h"
   3 #include "cl_collision.h"
   4 #include "dpsoftrast.h"
   5 #ifdef SUPPORTD3D
   6 #include <d3d9.h>
   7 extern LPDIRECT3DDEVICE9 vid_d3d9dev;
   8 extern D3DCAPS9 vid_d3d9caps;
   9 #endif
  10
  11 // on GLES we have to use some proper #define's
  12 #ifndef GL_FRAMEBUFFER
  13 #define GL_FRAMEBUFFER                                   0x8D40
  14 #define GL_DEPTH_ATTACHMENT                              0x8D00
  15 #define GL_COLOR_ATTACHMENT0                             0x8CE0
  16 #define GL_INVALID_FRAMEBUFFER_OPERATION                 0x0506
  17 #endif
  18 #ifndef GL_COLOR_ATTACHMENT1
  19 #define GL_COLOR_ATTACHMENT1                             0x8CE1
  20 #define GL_COLOR_ATTACHMENT2                             0x8CE2
  21 #define GL_COLOR_ATTACHMENT3                             0x8CE3
  22 #define GL_COLOR_ATTACHMENT4                             0x8CE4
  23 #define GL_COLOR_ATTACHMENT5                             0x8CE5
  24 #define GL_COLOR_ATTACHMENT6                             0x8CE6
  25 #define GL_COLOR_ATTACHMENT7                             0x8CE7
  26 #define GL_COLOR_ATTACHMENT8                             0x8CE8
  27 #define GL_COLOR_ATTACHMENT9                             0x8CE9
  28 #define GL_COLOR_ATTACHMENT10                            0x8CEA
  29 #define GL_COLOR_ATTACHMENT11                            0x8CEB
  30 #define GL_COLOR_ATTACHMENT12                            0x8CEC
  31 #define GL_COLOR_ATTACHMENT13                            0x8CED
  32 #define GL_COLOR_ATTACHMENT14                            0x8CEE
  33 #define GL_COLOR_ATTACHMENT15                            0x8CEF
  34 #endif
  35 #ifndef GL_ARRAY_BUFFER
  36 #define GL_ARRAY_BUFFER               0x8892
  37 #define GL_ELEMENT_ARRAY_BUFFER       0x8893
  38 #endif
  39 //#ifndef GL_VERTEX_ARRAY
  40 //#define GL_VERTEX_ARRAY                               0x8074
  41 //#define GL_COLOR_ARRAY                                0x8076
  42 //#define GL_TEXTURE_COORD_ARRAY                        0x8078
  43 //#endif
  44 #ifndef GL_TEXTURE0
  45 #define GL_TEXTURE0                                     0x84C0
  46 #define GL_TEXTURE1                                     0x84C1
  47 #define GL_TEXTURE2                                     0x84C2
  48 #define GL_TEXTURE3                                     0x84C3
  49 #define GL_TEXTURE4                                     0x84C4
  50 #define GL_TEXTURE5                                     0x84C5
  51 #define GL_TEXTURE6                                     0x84C6
  52 #define GL_TEXTURE7                                     0x84C7
  53 #define GL_TEXTURE8                                     0x84C8
  54 #define GL_TEXTURE9                                     0x84C9
  55 #define GL_TEXTURE10                            0x84CA
  56 #define GL_TEXTURE11                            0x84CB
  57 #define GL_TEXTURE12                            0x84CC
  58 #define GL_TEXTURE13                            0x84CD
  59 #define GL_TEXTURE14                            0x84CE
  60 #define GL_TEXTURE15                            0x84CF
  61 #define GL_TEXTURE16                            0x84D0
  62 #define GL_TEXTURE17                            0x84D1
  63 #define GL_TEXTURE18                            0x84D2
  64 #define GL_TEXTURE19                            0x84D3
  65 #define GL_TEXTURE20                            0x84D4
  66 #define GL_TEXTURE21                            0x84D5
  67 #define GL_TEXTURE22                            0x84D6
  68 #define GL_TEXTURE23                            0x84D7
  69 #define GL_TEXTURE24                            0x84D8
  70 #define GL_TEXTURE25                            0x84D9
  71 #define GL_TEXTURE26                            0x84DA
  72 #define GL_TEXTURE27                            0x84DB
  73 #define GL_TEXTURE28                            0x84DC
  74 #define GL_TEXTURE29                            0x84DD
  75 #define GL_TEXTURE30                            0x84DE
  76 #define GL_TEXTURE31                            0x84DF
  77 #endif
  78
  79 #ifndef GL_TEXTURE_3D
  80 #define GL_TEXTURE_3D                           0x806F
  81 #endif
  82 #ifndef GL_TEXTURE_CUBE_MAP
  83 #define GL_TEXTURE_CUBE_MAP                 0x8513
  84 #endif
  85 //#ifndef GL_MODELVIEW
  86 //#define GL_MODELVIEW                          0x1700
  87 //#endif
  88 //#ifndef GL_PROJECTION
  89 //#define GL_PROJECTION                         0x1701
  90 //#endif
  91 //#ifndef GL_DECAL
  92 //#define GL_DECAL                              0x2101
  93 //#endif
  94 //#ifndef GL_INTERPOLATE
  95 //#define GL_INTERPOLATE                                0x8575
  96 //#endif
  97
  98
  99 #define MAX_RENDERTARGETS 4
 100
 101 cvar_t gl_mesh_drawrangeelements = {0, "gl_mesh_drawrangeelements", "1", "use glDrawRangeElements function if available instead of glDrawElements (for performance comparisons or bug testing)"};
 102 cvar_t gl_mesh_testmanualfeeding = {0, "gl_mesh_testmanualfeeding", "0", "use glBegin(GL_TRIANGLES);glTexCoord2f();glVertex3f();glEnd(); primitives instead of glDrawElements (useful to test for driver bugs with glDrawElements)"};
 103 cvar_t gl_paranoid = {0, "gl_paranoid", "0", "enables OpenGL error checking and other tests"};
 104 cvar_t gl_printcheckerror = {0, "gl_printcheckerror", "0", "prints all OpenGL error checks, useful to identify location of driver crashes"};
 105
 106 cvar_t r_render = {0, "r_render", "1", "enables rendering 3D views (you want this on!)"};
 107 cvar_t r_renderview = {0, "r_renderview", "1", "enables rendering 3D views (you want this on!)"};
 108 cvar_t r_waterwarp = {CVAR_SAVE, "r_waterwarp", "1", "warp view while underwater"};
 109 cvar_t gl_polyblend = {CVAR_SAVE, "gl_polyblend", "1", "tints view while underwater, hurt, etc"};
 110 cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1", "enables OpenGL dithering (16bit looks bad with this off)"};
 111 cvar_t gl_vbo = {CVAR_SAVE, "gl_vbo", "3", "make use of GL_ARB_vertex_buffer_object extension to store static geometry in video memory for faster rendering, 0 disables VBO allocation or use, 1 enables VBOs for vertex and triangle data, 2 only for vertex data, 3 for vertex data and triangle data of simple meshes (ones with only one surface)"};
 112 cvar_t gl_vbo_dynamicvertex = {CVAR_SAVE, "gl_vbo_dynamicvertex", "0", "make use of GL_ARB_vertex_buffer_object extension when rendering dynamic (animated/procedural) geometry such as text and particles"};
 113 cvar_t gl_vbo_dynamicindex = {CVAR_SAVE, "gl_vbo_dynamicindex", "0", "make use of GL_ARB_vertex_buffer_object extension when rendering dynamic (animated/procedural) geometry such as text and particles"};
 114 cvar_t gl_fbo = {CVAR_SAVE, "gl_fbo", "1", "make use of GL_ARB_framebuffer_object extension to enable shadowmaps and other features using pixel formats different from the framebuffer"};
 115
 116 cvar_t v_flipped = {0, "v_flipped", "0", "mirror the screen (poor man's left handed mode)"};
 117 qboolean v_flipped_state = false;
 118
 119 r_viewport_t gl_viewport;
 120 matrix4x4_t gl_modelmatrix;
 121 matrix4x4_t gl_viewmatrix;
 122 matrix4x4_t gl_modelviewmatrix;
 123 matrix4x4_t gl_projectionmatrix;
 124 matrix4x4_t gl_modelviewprojectionmatrix;
 125 float gl_modelview16f[16];
 126 float gl_modelviewprojection16f[16];
 127 qboolean gl_modelmatrixchanged;
 128
 129 int gl_maxdrawrangeelementsvertices;
 130 int gl_maxdrawrangeelementsindices;
 131
 132 #ifdef DEBUGGL
 133 int gl_errornumber = 0;
 134
 135 void GL_PrintError(int errornumber, const char *filename, int linenumber)
 136 {
 137         switch(errornumber)
 138         {
 139 #ifdef GL_INVALID_ENUM
 140         case GL_INVALID_ENUM:
 141                 Con_Printf("GL_INVALID_ENUM at %s:%i\n", filename, linenumber);
 142                 break;
 143 #endif
 144 #ifdef GL_INVALID_VALUE
 145         case GL_INVALID_VALUE:
 146                 Con_Printf("GL_INVALID_VALUE at %s:%i\n", filename, linenumber);
 147                 break;
 148 #endif
 149 #ifdef GL_INVALID_OPERATION
 150         case GL_INVALID_OPERATION:
 151                 Con_Printf("GL_INVALID_OPERATION at %s:%i\n", filename, linenumber);
 152                 break;
 153 #endif
 154 #ifdef GL_STACK_OVERFLOW
 155         case GL_STACK_OVERFLOW:
 156                 Con_Printf("GL_STACK_OVERFLOW at %s:%i\n", filename, linenumber);
 157                 break;
 158 #endif
 159 #ifdef GL_STACK_UNDERFLOW
 160         case GL_STACK_UNDERFLOW:
 161                 Con_Printf("GL_STACK_UNDERFLOW at %s:%i\n", filename, linenumber);
 162                 break;
 163 #endif
 164 #ifdef GL_OUT_OF_MEMORY
 165         case GL_OUT_OF_MEMORY:
 166                 Con_Printf("GL_OUT_OF_MEMORY at %s:%i\n", filename, linenumber);
 167                 break;
 168 #endif
 169 #ifdef GL_TABLE_TOO_LARGE
 170         case GL_TABLE_TOO_LARGE:
 171                 Con_Printf("GL_TABLE_TOO_LARGE at %s:%i\n", filename, linenumber);
 172                 break;
 173 #endif
 174 #ifdef GL_INVALID_FRAMEBUFFER_OPERATION
 175         case GL_INVALID_FRAMEBUFFER_OPERATION:
 176                 Con_Printf("GL_INVALID_FRAMEBUFFER_OPERATION at %s:%i\n", filename, linenumber);
 177                 break;
 178 #endif
 179         default:
 180                 Con_Printf("GL UNKNOWN (%i) at %s:%i\n", errornumber, filename, linenumber);
 181                 break;
 182         }
 183 }
 184 #endif
 185
 186 #define BACKENDACTIVECHECK if (!gl_state.active) Sys_Error("GL backend function called when backend is not active");
 187
 188 void SCR_ScreenShot_f (void);
 189
 190 typedef struct gltextureunit_s
 191 {
 192         int pointer_texcoord_components;
 193         int pointer_texcoord_gltype;
 194         size_t pointer_texcoord_stride;
 195         const void *pointer_texcoord_pointer;
 196         const r_meshbuffer_t *pointer_texcoord_vertexbuffer;
 197         size_t pointer_texcoord_offset;
 198
 199         rtexture_t *texture;
 200         int t2d, t3d, tcubemap;
 201         int arrayenabled;
 202         int rgbscale, alphascale;
 203         int combine;
 204         int combinergb, combinealpha;
 205         // texmatrixenabled exists only to avoid unnecessary texmatrix compares
 206         int texmatrixenabled;
 207         matrix4x4_t matrix;
 208 }
 209 gltextureunit_t;
 210
 211 typedef struct gl_state_s
 212 {
 213         int cullface;
 214         int cullfaceenable;
 215         int blendfunc1;
 216         int blendfunc2;
 217         qboolean blend;
 218         GLboolean depthmask;
 219         int colormask; // stored as bottom 4 bits: r g b a (3 2 1 0 order)
 220         int depthtest;
 221         int depthfunc;
 222         float depthrange[2];
 223         float polygonoffset[2];
 224         int alphatest;
 225         int alphafunc;
 226         float alphafuncvalue;
 227         qboolean alphatocoverage;
 228         int scissortest;
 229         unsigned int unit;
 230         unsigned int clientunit;
 231         gltextureunit_t units[MAX_TEXTUREUNITS];
 232         float color4f[4];
 233         int lockrange_first;
 234         int lockrange_count;
 235         int vertexbufferobject;
 236         int elementbufferobject;
 237         int uniformbufferobject;
 238         int framebufferobject;
 239         int defaultframebufferobject; // deal with platforms that use a non-zero default fbo
 240         qboolean pointer_color_enabled;
 241
 242         int pointer_vertex_components;
 243         int pointer_vertex_gltype;
 244         size_t pointer_vertex_stride;
 245         const void *pointer_vertex_pointer;
 246         const r_meshbuffer_t *pointer_vertex_vertexbuffer;
 247         size_t pointer_vertex_offset;
 248
 249         int pointer_color_components;
 250         int pointer_color_gltype;
 251         size_t pointer_color_stride;
 252         const void *pointer_color_pointer;
 253         const r_meshbuffer_t *pointer_color_vertexbuffer;
 254         size_t pointer_color_offset;
 255
 256         void *preparevertices_tempdata;
 257         size_t preparevertices_tempdatamaxsize;
 258         r_vertexgeneric_t *preparevertices_vertexgeneric;
 259         r_vertexmesh_t *preparevertices_vertexmesh;
 260         int preparevertices_numvertices;
 261
 262         qboolean usevbo_staticvertex;
 263         qboolean usevbo_staticindex;
 264         qboolean usevbo_dynamicvertex;
 265         qboolean usevbo_dynamicindex;
 266
 267         memexpandablearray_t meshbufferarray;
 268
 269         qboolean active;
 270
 271 #ifdef SUPPORTD3D
 272 //      rtexture_t *d3drt_depthtexture;
 273 //      rtexture_t *d3drt_colortextures[MAX_RENDERTARGETS];
 274         IDirect3DSurface9 *d3drt_depthsurface;
 275         IDirect3DSurface9 *d3drt_colorsurfaces[MAX_RENDERTARGETS];
 276         IDirect3DSurface9 *d3drt_backbufferdepthsurface;
 277         IDirect3DSurface9 *d3drt_backbuffercolorsurface;
 278         void *d3dvertexbuffer;
 279         void *d3dvertexdata;
 280         int d3dvertexsize;
 281 #endif
 282 }
 283 gl_state_t;
 284
 285 static gl_state_t gl_state;
 286
 287
 288 /*
 289 note: here's strip order for a terrain row:
 290 0--1--2--3--4
 291 |\ |\ |\ |\ |
 292 | \| \| \| \|
 293 A--B--C--D--E
 294 clockwise
 295
 296 A0B, 01B, B1C, 12C, C2D, 23D, D3E, 34E
 297
 298 *elements++ = i + row;
 299 *elements++ = i;
 300 *elements++ = i + row + 1;
 301 *elements++ = i;
 302 *elements++ = i + 1;
 303 *elements++ = i + row + 1;
 304
 305
 306 for (y = 0;y < rows - 1;y++)
 307 {
 308         for (x = 0;x < columns - 1;x++)
 309         {
 310                 i = y * rows + x;
 311                 *elements++ = i + columns;
 312                 *elements++ = i;
 313                 *elements++ = i + columns + 1;
 314                 *elements++ = i;
 315                 *elements++ = i + 1;
 316                 *elements++ = i + columns + 1;
 317         }
 318 }
 319
 320 alternative:
 321 0--1--2--3--4
 322 | /| /|\ | /|
 323 |/ |/ | \|/ |
 324 A--B--C--D--E
 325 counterclockwise
 326
 327 for (y = 0;y < rows - 1;y++)
 328 {
 329         for (x = 0;x < columns - 1;x++)
 330         {
 331                 i = y * rows + x;
 332                 *elements++ = i;
 333                 *elements++ = i + columns;
 334                 *elements++ = i + columns + 1;
 335                 *elements++ = i + columns;
 336                 *elements++ = i + columns + 1;
 337                 *elements++ = i + 1;
 338         }
 339 }
 340 */
 341
 342 int polygonelement3i[(POLYGONELEMENTS_MAXPOINTS-2)*3];
 343 unsigned short polygonelement3s[(POLYGONELEMENTS_MAXPOINTS-2)*3];
 344 int quadelement3i[QUADELEMENTS_MAXQUADS*6];
 345 unsigned short quadelement3s[QUADELEMENTS_MAXQUADS*6];
 346
 347 static void GL_VBOStats_f(void)
 348 {
 349         GL_Mesh_ListVBOs(true);
 350 }
 351
 352 static void GL_Backend_ResetState(void);
 353
 354 static void R_Mesh_InitVertexDeclarations(void);
 355 static void R_Mesh_DestroyVertexDeclarations(void);
 356
 357 static void R_Mesh_SetUseVBO(void)
 358 {
 359         switch(vid.renderpath)
 360         {
 361         case RENDERPATH_GL11:
 362         case RENDERPATH_GL13:
 363         case RENDERPATH_GL20:
 364         case RENDERPATH_GLES1:
 365                 gl_state.usevbo_staticvertex = (vid.support.arb_vertex_buffer_object && gl_vbo.integer) || vid.forcevbo;
 366                 gl_state.usevbo_staticindex = (vid.support.arb_vertex_buffer_object && (gl_vbo.integer == 1 || gl_vbo.integer == 3)) || vid.forcevbo;
 367                 gl_state.usevbo_dynamicvertex = (vid.support.arb_vertex_buffer_object && gl_vbo_dynamicvertex.integer && gl_vbo.integer) || vid.forcevbo;
 368                 gl_state.usevbo_dynamicindex = (vid.support.arb_vertex_buffer_object && gl_vbo_dynamicindex.integer && gl_vbo.integer) || vid.forcevbo;
 369                 break;
 370         case RENDERPATH_D3D9:
 371                 gl_state.usevbo_staticvertex = gl_state.usevbo_staticindex = (vid.support.arb_vertex_buffer_object && gl_vbo.integer) || vid.forcevbo;
 372                 gl_state.usevbo_dynamicvertex = gl_state.usevbo_dynamicindex = (vid.support.arb_vertex_buffer_object && gl_vbo_dynamicvertex.integer && gl_vbo_dynamicindex.integer && gl_vbo.integer) || vid.forcevbo;
 373                 break;
 374         case RENDERPATH_D3D10:
 375                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 376                 break;
 377         case RENDERPATH_D3D11:
 378                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 379                 break;
 380         case RENDERPATH_SOFT:
 381                 gl_state.usevbo_staticvertex = false;
 382                 gl_state.usevbo_staticindex = false;
 383                 gl_state.usevbo_dynamicvertex = false;
 384                 gl_state.usevbo_dynamicindex = false;
 385                 break;
 386         case RENDERPATH_GLES2:
 387                 gl_state.usevbo_staticvertex = (vid.support.arb_vertex_buffer_object && gl_vbo.integer) || vid.forcevbo;
 388                 gl_state.usevbo_staticindex = (vid.support.arb_vertex_buffer_object && gl_vbo.integer) || vid.forcevbo;
 389                 gl_state.usevbo_dynamicvertex = (vid.support.arb_vertex_buffer_object && gl_vbo_dynamicvertex.integer) || vid.forcevbo;
 390                 gl_state.usevbo_dynamicindex = (vid.support.arb_vertex_buffer_object && gl_vbo_dynamicindex.integer) || vid.forcevbo;
 391                 break;
 392         }
 393 }
 394
 395 static void gl_backend_start(void)
 396 {
 397         memset(&gl_state, 0, sizeof(gl_state));
 398
 399         R_Mesh_InitVertexDeclarations();
 400
 401         R_Mesh_SetUseVBO();
 402         Mem_ExpandableArray_NewArray(&gl_state.meshbufferarray, r_main_mempool, sizeof(r_meshbuffer_t), 128);
 403
 404         Con_DPrintf("OpenGL backend started.\n");
 405
 406         CHECKGLERROR
 407
 408         GL_Backend_ResetState();
 409
 410         switch(vid.renderpath)
 411         {
 412         case RENDERPATH_GL11:
 413         case RENDERPATH_GL13:
 414         case RENDERPATH_GL20:
 415         case RENDERPATH_GLES1:
 416         case RENDERPATH_GLES2:
 417                 // fetch current fbo here (default fbo is not 0 on some GLES devices)
 418                 if (vid.support.ext_framebuffer_object)
 419                         qglGetIntegerv(GL_FRAMEBUFFER_BINDING, &gl_state.defaultframebufferobject);
 420                 break;
 421         case RENDERPATH_D3D9:
 422 #ifdef SUPPORTD3D
 423                 IDirect3DDevice9_GetDepthStencilSurface(vid_d3d9dev, &gl_state.d3drt_backbufferdepthsurface);
 424                 IDirect3DDevice9_GetRenderTarget(vid_d3d9dev, 0, &gl_state.d3drt_backbuffercolorsurface);
 425 #endif
 426                 break;
 427         case RENDERPATH_D3D10:
 428                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 429                 break;
 430         case RENDERPATH_D3D11:
 431                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 432                 break;
 433         case RENDERPATH_SOFT:
 434                 break;
 435         }
 436 }
 437
 438 static void gl_backend_shutdown(void)
 439 {
 440         Con_DPrint("OpenGL Backend shutting down\n");
 441
 442         switch(vid.renderpath)
 443         {
 444         case RENDERPATH_GL11:
 445         case RENDERPATH_GL13:
 446         case RENDERPATH_GL20:
 447         case RENDERPATH_SOFT:
 448         case RENDERPATH_GLES1:
 449         case RENDERPATH_GLES2:
 450                 break;
 451         case RENDERPATH_D3D9:
 452 #ifdef SUPPORTD3D
 453                 IDirect3DSurface9_Release(gl_state.d3drt_backbufferdepthsurface);
 454                 IDirect3DSurface9_Release(gl_state.d3drt_backbuffercolorsurface);
 455 #endif
 456                 break;
 457         case RENDERPATH_D3D10:
 458                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 459                 break;
 460         case RENDERPATH_D3D11:
 461                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 462                 break;
 463         }
 464
 465         if (gl_state.preparevertices_tempdata)
 466                 Mem_Free(gl_state.preparevertices_tempdata);
 467
 468         Mem_ExpandableArray_FreeArray(&gl_state.meshbufferarray);
 469
 470         R_Mesh_DestroyVertexDeclarations();
 471
 472         memset(&gl_state, 0, sizeof(gl_state));
 473 }
 474
 475 static void gl_backend_newmap(void)
 476 {
 477 }
 478
 479 static void gl_backend_devicelost(void)
 480 {
 481         int i, endindex;
 482         r_meshbuffer_t *buffer;
 483 #ifdef SUPPORTD3D
 484         gl_state.d3dvertexbuffer = NULL;
 485 #endif
 486         switch(vid.renderpath)
 487         {
 488         case RENDERPATH_GL11:
 489         case RENDERPATH_GL13:
 490         case RENDERPATH_GL20:
 491         case RENDERPATH_SOFT:
 492         case RENDERPATH_GLES1:
 493         case RENDERPATH_GLES2:
 494                 break;
 495         case RENDERPATH_D3D9:
 496 #ifdef SUPPORTD3D
 497                 IDirect3DSurface9_Release(gl_state.d3drt_backbufferdepthsurface);
 498                 IDirect3DSurface9_Release(gl_state.d3drt_backbuffercolorsurface);
 499 #endif
 500                 break;
 501         case RENDERPATH_D3D10:
 502                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 503                 break;
 504         case RENDERPATH_D3D11:
 505                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 506                 break;
 507         }
 508         endindex = (int)Mem_ExpandableArray_IndexRange(&gl_state.meshbufferarray);
 509         for (i = 0;i < endindex;i++)
 510         {
 511                 buffer = (r_meshbuffer_t *) Mem_ExpandableArray_RecordAtIndex(&gl_state.meshbufferarray, i);
 512                 if (!buffer || !buffer->isdynamic)
 513                         continue;
 514                 switch(vid.renderpath)
 515                 {
 516                 case RENDERPATH_GL11:
 517                 case RENDERPATH_GL13:
 518                 case RENDERPATH_GL20:
 519                 case RENDERPATH_SOFT:
 520                 case RENDERPATH_GLES1:
 521                 case RENDERPATH_GLES2:
 522                         break;
 523                 case RENDERPATH_D3D9:
 524 #ifdef SUPPORTD3D
 525                         if (buffer->devicebuffer)
 526                         {
 527                                 if (buffer->isindexbuffer)
 528                                         IDirect3DIndexBuffer9_Release((IDirect3DIndexBuffer9*)buffer->devicebuffer);
 529                                 else
 530                                         IDirect3DVertexBuffer9_Release((IDirect3DVertexBuffer9*)buffer->devicebuffer);
 531                                 buffer->devicebuffer = NULL;
 532                         }
 533 #endif
 534                         break;
 535                 case RENDERPATH_D3D10:
 536                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 537                         break;
 538                 case RENDERPATH_D3D11:
 539                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 540                         break;
 541                 }
 542         }
 543 }
 544
 545 static void gl_backend_devicerestored(void)
 546 {
 547         switch(vid.renderpath)
 548         {
 549         case RENDERPATH_GL11:
 550         case RENDERPATH_GL13:
 551         case RENDERPATH_GL20:
 552         case RENDERPATH_SOFT:
 553         case RENDERPATH_GLES1:
 554         case RENDERPATH_GLES2:
 555                 break;
 556         case RENDERPATH_D3D9:
 557 #ifdef SUPPORTD3D
 558                 IDirect3DDevice9_GetDepthStencilSurface(vid_d3d9dev, &gl_state.d3drt_backbufferdepthsurface);
 559                 IDirect3DDevice9_GetRenderTarget(vid_d3d9dev, 0, &gl_state.d3drt_backbuffercolorsurface);
 560 #endif
 561                 break;
 562         case RENDERPATH_D3D10:
 563                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 564                 break;
 565         case RENDERPATH_D3D11:
 566                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 567                 break;
 568         }
 569 }
 570
 571 void gl_backend_init(void)
 572 {
 573         int i;
 574
 575         for (i = 0;i < POLYGONELEMENTS_MAXPOINTS - 2;i++)
 576         {
 577                 polygonelement3s[i * 3 + 0] = 0;
 578                 polygonelement3s[i * 3 + 1] = i + 1;
 579                 polygonelement3s[i * 3 + 2] = i + 2;
 580         }
 581         // elements for rendering a series of quads as triangles
 582         for (i = 0;i < QUADELEMENTS_MAXQUADS;i++)
 583         {
 584                 quadelement3s[i * 6 + 0] = i * 4;
 585                 quadelement3s[i * 6 + 1] = i * 4 + 1;
 586                 quadelement3s[i * 6 + 2] = i * 4 + 2;
 587                 quadelement3s[i * 6 + 3] = i * 4;
 588                 quadelement3s[i * 6 + 4] = i * 4 + 2;
 589                 quadelement3s[i * 6 + 5] = i * 4 + 3;
 590         }
 591
 592         for (i = 0;i < (POLYGONELEMENTS_MAXPOINTS - 2)*3;i++)
 593                 polygonelement3i[i] = polygonelement3s[i];
 594         for (i = 0;i < QUADELEMENTS_MAXQUADS*6;i++)
 595                 quadelement3i[i] = quadelement3s[i];
 596
 597         Cvar_RegisterVariable(&r_render);
 598         Cvar_RegisterVariable(&r_renderview);
 599         Cvar_RegisterVariable(&r_waterwarp);
 600         Cvar_RegisterVariable(&gl_polyblend);
 601         Cvar_RegisterVariable(&v_flipped);
 602         Cvar_RegisterVariable(&gl_dither);
 603         Cvar_RegisterVariable(&gl_vbo);
 604         Cvar_RegisterVariable(&gl_vbo_dynamicvertex);
 605         Cvar_RegisterVariable(&gl_vbo_dynamicindex);
 606         Cvar_RegisterVariable(&gl_paranoid);
 607         Cvar_RegisterVariable(&gl_printcheckerror);
 608
 609         Cvar_RegisterVariable(&gl_mesh_drawrangeelements);
 610         Cvar_RegisterVariable(&gl_mesh_testmanualfeeding);
 611
 612         Cmd_AddCommand("gl_vbostats", GL_VBOStats_f, "prints a list of all buffer objects (vertex data and triangle elements) and total video memory used by them");
 613
 614         R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap, gl_backend_devicelost, gl_backend_devicerestored);
 615 }
 616
 617 void GL_SetMirrorState(qboolean state);
 618
 619 void R_Viewport_TransformToScreen(const r_viewport_t *v, const vec4_t in, vec4_t out)
 620 {
 621         vec4_t temp;
 622         float iw;
 623         Matrix4x4_Transform4 (&v->viewmatrix, in, temp);
 624         Matrix4x4_Transform4 (&v->projectmatrix, temp, out);
 625         iw = 1.0f / out[3];
 626         out[0] = v->x + (out[0] * iw + 1.0f) * v->width * 0.5f;
 627
 628         // for an odd reason, inverting this is wrong for R_Shadow_ScissorForBBox (we then get badly scissored lights)
 629         //out[1] = v->y + v->height - (out[1] * iw + 1.0f) * v->height * 0.5f;
 630         out[1] = v->y + (out[1] * iw + 1.0f) * v->height * 0.5f;
 631
 632         out[2] = v->z + (out[2] * iw + 1.0f) * v->depth * 0.5f;
 633 }
 634
 635 void GL_Finish(void)
 636 {
 637         switch(vid.renderpath)
 638         {
 639         case RENDERPATH_GL11:
 640         case RENDERPATH_GL13:
 641         case RENDERPATH_GL20:
 642         case RENDERPATH_GLES1:
 643         case RENDERPATH_GLES2:
 644                 qglFinish();
 645                 break;
 646         case RENDERPATH_D3D9:
 647                 //Con_DPrintf("FIXME D3D9 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 648                 break;
 649         case RENDERPATH_D3D10:
 650                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 651                 break;
 652         case RENDERPATH_D3D11:
 653                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
 654                 break;
 655         case RENDERPATH_SOFT:
 656                 DPSOFTRAST_Finish();
 657                 break;
 658         }
 659 }
 660
 661 static int bboxedges[12][2] =
 662 {
 663         // top
 664         {0, 1}, // +X
 665         {0, 2}, // +Y
 666         {1, 3}, // Y, +X
 667         {2, 3}, // X, +Y
 668         // bottom
 669         {4, 5}, // +X
 670         {4, 6}, // +Y
 671         {5, 7}, // Y, +X
 672         {6, 7}, // X, +Y
 673         // verticals
 674         {0, 4}, // +Z
 675         {1, 5}, // X, +Z
 676         {2, 6}, // Y, +Z
 677         {3, 7}, // XY, +Z
 678 };
 679
 680 qboolean R_ScissorForBBox(const float *mins, const float *maxs, int *scissor)
 681 {
 682         int i, ix1, iy1, ix2, iy2;
 683         float x1, y1, x2, y2;
 684         vec4_t v, v2;
 685         float vertex[20][3];
 686         int j, k;
 687         vec4_t plane4f;
 688         int numvertices;
 689         float corner[8][4];
 690         float dist[8];
 691         int sign[8];
 692         float f;
 693
 694         scissor[0] = r_refdef.view.viewport.x;
 695         scissor[1] = r_refdef.view.viewport.y;
 696         scissor[2] = r_refdef.view.viewport.width;
 697         scissor[3] = r_refdef.view.viewport.height;
 698
 699         // if view is inside the box, just say yes it's visible
 700         if (BoxesOverlap(r_refdef.view.origin, r_refdef.view.origin, mins, maxs))
 701                 return false;
 702
 703         // transform all corners that are infront of the nearclip plane
 704         VectorNegate(r_refdef.view.frustum[4].normal, plane4f);
 705         plane4f[3] = r_refdef.view.frustum[4].dist;
 706         numvertices = 0;
 707         for (i = 0;i < 8;i++)
 708         {
 709                 Vector4Set(corner[i], (i & 1) ? maxs[0] : mins[0], (i & 2) ? maxs[1] : mins[1], (i & 4) ? maxs[2] : mins[2], 1);
 710                 dist[i] = DotProduct4(corner[i], plane4f);
 711                 sign[i] = dist[i] > 0;
 712                 if (!sign[i])
 713                 {
 714                         VectorCopy(corner[i], vertex[numvertices]);
 715                         numvertices++;
 716                 }
 717         }
 718         // if some points are behind the nearclip, add clipped edge points to make
 719         // sure that the scissor boundary is complete
 720         if (numvertices > 0 && numvertices < 8)
 721         {
 722                 // add clipped edge points
 723                 for (i = 0;i < 12;i++)
 724                 {
 725                         j = bboxedges[i][0];
 726                         k = bboxedges[i][1];
 727                         if (sign[j] != sign[k])
 728                         {
 729                                 f = dist[j] / (dist[j] - dist[k]);
 730                                 VectorLerp(corner[j], f, corner[k], vertex[numvertices]);
 731                                 numvertices++;
 732                         }
 733                 }
 734         }
 735
 736         // if we have no points to check, it is behind the view plane
 737         if (!numvertices)
 738                 return true;
 739
 740         // if we have some points to transform, check what screen area is covered
 741         x1 = y1 = x2 = y2 = 0;
 742         v[3] = 1.0f;
 743         //Con_Printf("%i vertices to transform...\n", numvertices);
 744         for (i = 0;i < numvertices;i++)
 745         {
 746                 VectorCopy(vertex[i], v);
 747                 R_Viewport_TransformToScreen(&r_refdef.view.viewport, v, v2);
 748                 //Con_Printf("%.3f %.3f %.3f %.3f transformed to %.3f %.3f %.3f %.3f\n", v[0], v[1], v[2], v[3], v2[0], v2[1], v2[2], v2[3]);
 749                 if (i)
 750                 {
 751                         if (x1 > v2[0]) x1 = v2[0];
 752                         if (x2 < v2[0]) x2 = v2[0];
 753                         if (y1 > v2[1]) y1 = v2[1];
 754                         if (y2 < v2[1]) y2 = v2[1];
 755                 }
 756                 else
 757                 {
 758                         x1 = x2 = v2[0];
 759                         y1 = y2 = v2[1];
 760                 }
 761         }
 762
 763         // now convert the scissor rectangle to integer screen coordinates
 764         ix1 = (int)(x1 - 1.0f);
 765         //iy1 = vid.height - (int)(y2 - 1.0f);
 766         //iy1 = r_refdef.view.viewport.width + 2 * r_refdef.view.viewport.x - (int)(y2 - 1.0f);
 767         iy1 = (int)(y1 - 1.0f);
 768         ix2 = (int)(x2 + 1.0f);
 769         //iy2 = vid.height - (int)(y1 + 1.0f);
 770         //iy2 = r_refdef.view.viewport.height + 2 * r_refdef.view.viewport.y - (int)(y1 + 1.0f);
 771         iy2 = (int)(y2 + 1.0f);
 772         //Con_Printf("%f %f %f %f\n", x1, y1, x2, y2);
 773
 774         // clamp it to the screen
 775         if (ix1 < r_refdef.view.viewport.x) ix1 = r_refdef.view.viewport.x;
 776         if (iy1 < r_refdef.view.viewport.y) iy1 = r_refdef.view.viewport.y;
 777         if (ix2 > r_refdef.view.viewport.x + r_refdef.view.viewport.width) ix2 = r_refdef.view.viewport.x + r_refdef.view.viewport.width;
 778         if (iy2 > r_refdef.view.viewport.y + r_refdef.view.viewport.height) iy2 = r_refdef.view.viewport.y + r_refdef.view.viewport.height;
 779
 780         // if it is inside out, it's not visible
 781         if (ix2 <= ix1 || iy2 <= iy1)
 782                 return true;
 783
 784         // the light area is visible, set up the scissor rectangle
 785         scissor[0] = ix1;
 786         scissor[1] = iy1;
 787         scissor[2] = ix2 - ix1;
 788         scissor[3] = iy2 - iy1;
 789
 790         // D3D Y coordinate is top to bottom, OpenGL is bottom to top, fix the D3D one
 791         switch(vid.renderpath)
 792         {
 793         case RENDERPATH_D3D9:
 794         case RENDERPATH_D3D10:
 795         case RENDERPATH_D3D11:
 796                 scissor[1] = vid.height - scissor[1] - scissor[3];
 797                 break;
 798         case RENDERPATH_GL11:
 799         case RENDERPATH_GL13:
 800         case RENDERPATH_GL20:
 801         case RENDERPATH_SOFT:
 802         case RENDERPATH_GLES1:
 803         case RENDERPATH_GLES2:
 804                 break;
 805         }
 806
 807         return false;
 808 }
 809
 810
 811 static void R_Viewport_ApplyNearClipPlaneFloatGL(const r_viewport_t *v, float *m, float normalx, float normaly, float normalz, float dist)
 812 {
 813         float q[4];
 814         float d;
 815         float clipPlane[4], v3[3], v4[3];
 816         float normal[3];
 817
 818         // This is inspired by Oblique Depth Projection from http://www.terathon.com/code/oblique.php
 819
 820         VectorSet(normal, normalx, normaly, normalz);
 821         Matrix4x4_Transform3x3(&v->viewmatrix, normal, clipPlane);
 822         VectorScale(normal, -dist, v3);
 823         Matrix4x4_Transform(&v->viewmatrix, v3, v4);
 824         // FIXME: LordHavoc: I think this can be done more efficiently somehow but I can't remember the technique
 825         clipPlane[3] = -DotProduct(v4, clipPlane);
 826
 827 #if 0
 828 {
 829         // testing code for comparing results
 830         float clipPlane2[4];
 831         VectorCopy4(clipPlane, clipPlane2);
 832         R_EntityMatrix(&identitymatrix);
 833         VectorSet(q, normal[0], normal[1], normal[2], -dist);
 834         qglClipPlane(GL_CLIP_PLANE0, q);
 835         qglGetClipPlane(GL_CLIP_PLANE0, q);
 836         VectorCopy4(q, clipPlane);
 837 }
 838 #endif
 839
 840         // Calculate the clip-space corner point opposite the clipping plane
 841         // as (sgn(clipPlane.x), sgn(clipPlane.y), 1, 1) and
 842         // transform it into camera space by multiplying it
 843         // by the inverse of the projection matrix
 844         q[0] = ((clipPlane[0] < 0.0f ? -1.0f : clipPlane[0] > 0.0f ? 1.0f : 0.0f) + m[8]) / m[0];
 845         q[1] = ((clipPlane[1] < 0.0f ? -1.0f : clipPlane[1] > 0.0f ? 1.0f : 0.0f) + m[9]) / m[5];
 846         q[2] = -1.0f;
 847         q[3] = (1.0f + m[10]) / m[14];
 848
 849         // Calculate the scaled plane vector
 850         d = 2.0f / DotProduct4(clipPlane, q);
 851
 852         // Replace the third row of the projection matrix
 853         m[2] = clipPlane[0] * d;
 854         m[6] = clipPlane[1] * d;
 855         m[10] = clipPlane[2] * d + 1.0f;
 856         m[14] = clipPlane[3] * d;
 857 }
 858
 859 void R_Viewport_InitOrtho(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float x1, float y1, float x2, float y2, float nearclip, float farclip, const float *nearplane)
 860 {
 861         float left = x1, right = x2, bottom = y2, top = y1, zNear = nearclip, zFar = farclip;
 862         float m[16];
 863         memset(v, 0, sizeof(*v));
 864         v->type = R_VIEWPORTTYPE_ORTHO;
 865         v->cameramatrix = *cameramatrix;
 866         v->x = x;
 867         v->y = y;
 868         v->z = 0;
 869         v->width = width;
 870         v->height = height;
 871         v->depth = 1;
 872         memset(m, 0, sizeof(m));
 873         m[0]  = 2/(right - left);
 874         m[5]  = 2/(top - bottom);
 875         m[10] = -2/(zFar - zNear);
 876         m[12] = - (right + left)/(right - left);
 877         m[13] = - (top + bottom)/(top - bottom);
 878         m[14] = - (zFar + zNear)/(zFar - zNear);
 879         m[15] = 1;
 880         switch(vid.renderpath)
 881         {
 882         case RENDERPATH_GL11:
 883         case RENDERPATH_GL13:
 884         case RENDERPATH_GL20:
 885         case RENDERPATH_SOFT:
 886         case RENDERPATH_GLES1:
 887         case RENDERPATH_GLES2:
 888                 break;
 889         case RENDERPATH_D3D9:
 890         case RENDERPATH_D3D10:
 891         case RENDERPATH_D3D11:
 892                 m[10] = -1/(zFar - zNear);
 893                 m[14] = -zNear/(zFar-zNear);
 894                 break;
 895         }
 896         v->screentodepth[0] = -farclip / (farclip - nearclip);
 897         v->screentodepth[1] = farclip * nearclip / (farclip - nearclip);
 898
 899         Matrix4x4_Invert_Full(&v->viewmatrix, &v->cameramatrix);
 900
 901         if (nearplane)
 902                 R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
 903
 904         Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
 905
 906 #if 0
 907         {
 908                 vec4_t test1;
 909                 vec4_t test2;
 910                 Vector4Set(test1, (x1+x2)*0.5f, (y1+y2)*0.5f, 0.0f, 1.0f);
 911                 R_Viewport_TransformToScreen(v, test1, test2);
 912                 Con_Printf("%f %f %f -> %f %f %f\n", test1[0], test1[1], test1[2], test2[0], test2[1], test2[2]);
 913         }
 914 #endif
 915 }
 916
 917 void R_Viewport_InitPerspective(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float frustumx, float frustumy, float nearclip, float farclip, const float *nearplane)
 918 {
 919         matrix4x4_t tempmatrix, basematrix;
 920         float m[16];
 921         memset(v, 0, sizeof(*v));
 922
 923         v->type = R_VIEWPORTTYPE_PERSPECTIVE;
 924         v->cameramatrix = *cameramatrix;
 925         v->x = x;
 926         v->y = y;
 927         v->z = 0;
 928         v->width = width;
 929         v->height = height;
 930         v->depth = 1;
 931         memset(m, 0, sizeof(m));
 932         m[0]  = 1.0 / frustumx;
 933         m[5]  = 1.0 / frustumy;
 934         m[10] = -(farclip + nearclip) / (farclip - nearclip);
 935         m[11] = -1;
 936         m[14] = -2 * nearclip * farclip / (farclip - nearclip);
 937         v->screentodepth[0] = -farclip / (farclip - nearclip);
 938         v->screentodepth[1] = farclip * nearclip / (farclip - nearclip);
 939
 940         Matrix4x4_Invert_Full(&tempmatrix, &v->cameramatrix);
 941         Matrix4x4_CreateRotate(&basematrix, -90, 1, 0, 0);
 942         Matrix4x4_ConcatRotate(&basematrix, 90, 0, 0, 1);
 943         Matrix4x4_Concat(&v->viewmatrix, &basematrix, &tempmatrix);
 944
 945         if (nearplane)
 946                 R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
 947
 948         if(v_flipped.integer)
 949         {
 950                 m[0] = -m[0];
 951                 m[4] = -m[4];
 952                 m[8] = -m[8];
 953                 m[12] = -m[12];
 954         }
 955
 956         Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
 957 }
 958
 959 void R_Viewport_InitPerspectiveInfinite(r_viewport_t *v, const matrix4x4_t *cameramatrix, int x, int y, int width, int height, float frustumx, float frustumy, float nearclip, const float *nearplane)
 960 {
 961         matrix4x4_t tempmatrix, basematrix;
 962         const float nudge = 1.0 - 1.0 / (1<<23);
 963         float m[16];
 964         memset(v, 0, sizeof(*v));
 965
 966         v->type = R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP;
 967         v->cameramatrix = *cameramatrix;
 968         v->x = x;
 969         v->y = y;
 970         v->z = 0;
 971         v->width = width;
 972         v->height = height;
 973         v->depth = 1;
 974         memset(m, 0, sizeof(m));
 975         m[ 0] = 1.0 / frustumx;
 976         m[ 5] = 1.0 / frustumy;
 977         m[10] = -nudge;
 978         m[11] = -1;
 979         m[14] = -2 * nearclip * nudge;
 980         v->screentodepth[0] = (m[10] + 1) * 0.5 - 1;
 981         v->screentodepth[1] = m[14] * -0.5;
 982
 983         Matrix4x4_Invert_Full(&tempmatrix, &v->cameramatrix);
 984         Matrix4x4_CreateRotate(&basematrix, -90, 1, 0, 0);
 985         Matrix4x4_ConcatRotate(&basematrix, 90, 0, 0, 1);
 986         Matrix4x4_Concat(&v->viewmatrix, &basematrix, &tempmatrix);
 987
 988         if (nearplane)
 989                 R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
 990
 991         if(v_flipped.integer)
 992         {
 993                 m[0] = -m[0];
 994                 m[4] = -m[4];
 995                 m[8] = -m[8];
 996                 m[12] = -m[12];
 997         }
 998
 999         Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
1000 }
1001
1002 float cubeviewmatrix[6][16] =
1003 {
1004     // standard cubemap projections
1005     { // +X
1006          0, 0,-1, 0,
1007          0,-1, 0, 0,
1008         -1, 0, 0, 0,
1009          0, 0, 0, 1,
1010     },
1011     { // -X
1012          0, 0, 1, 0,
1013          0,-1, 0, 0,
1014          1, 0, 0, 0,
1015          0, 0, 0, 1,
1016     },
1017     { // +Y
1018          1, 0, 0, 0,
1019          0, 0,-1, 0,
1020          0, 1, 0, 0,
1021          0, 0, 0, 1,
1022     },
1023     { // -Y
1024          1, 0, 0, 0,
1025          0, 0, 1, 0,
1026          0,-1, 0, 0,
1027          0, 0, 0, 1,
1028     },
1029     { // +Z
1030          1, 0, 0, 0,
1031          0,-1, 0, 0,
1032          0, 0,-1, 0,
1033          0, 0, 0, 1,
1034     },
1035     { // -Z
1036         -1, 0, 0, 0,
1037          0,-1, 0, 0,
1038          0, 0, 1, 0,
1039          0, 0, 0, 1,
1040     },
1041 };
1042 float rectviewmatrix[6][16] =
1043 {
1044     // sign-preserving cubemap projections
1045     { // +X
1046          0, 0,-1, 0,
1047          0, 1, 0, 0,
1048          1, 0, 0, 0,
1049          0, 0, 0, 1,
1050     },
1051     { // -X
1052          0, 0, 1, 0,
1053          0, 1, 0, 0,
1054          1, 0, 0, 0,
1055          0, 0, 0, 1,
1056     },
1057     { // +Y
1058          1, 0, 0, 0,
1059          0, 0,-1, 0,
1060          0, 1, 0, 0,
1061          0, 0, 0, 1,
1062     },
1063     { // -Y
1064          1, 0, 0, 0,
1065          0, 0, 1, 0,
1066          0, 1, 0, 0,
1067          0, 0, 0, 1,
1068     },
1069     { // +Z
1070          1, 0, 0, 0,
1071          0, 1, 0, 0,
1072          0, 0,-1, 0,
1073          0, 0, 0, 1,
1074     },
1075     { // -Z
1076          1, 0, 0, 0,
1077          0, 1, 0, 0,
1078          0, 0, 1, 0,
1079          0, 0, 0, 1,
1080     },
1081 };
1082
1083 void R_Viewport_InitCubeSideView(r_viewport_t *v, const matrix4x4_t *cameramatrix, int side, int size, float nearclip, float farclip, const float *nearplane)
1084 {
1085         matrix4x4_t tempmatrix, basematrix;
1086         float m[16];
1087         memset(v, 0, sizeof(*v));
1088         v->type = R_VIEWPORTTYPE_PERSPECTIVECUBESIDE;
1089         v->cameramatrix = *cameramatrix;
1090         v->width = size;
1091         v->height = size;
1092         v->depth = 1;
1093         memset(m, 0, sizeof(m));
1094         m[0] = m[5] = 1.0f;
1095         m[10] = -(farclip + nearclip) / (farclip - nearclip);
1096         m[11] = -1;
1097         m[14] = -2 * nearclip * farclip / (farclip - nearclip);
1098
1099         Matrix4x4_FromArrayFloatGL(&basematrix, cubeviewmatrix[side]);
1100         Matrix4x4_Invert_Full(&tempmatrix, &v->cameramatrix);
1101         Matrix4x4_Concat(&v->viewmatrix, &basematrix, &tempmatrix);
1102
1103         if (nearplane)
1104                 R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
1105
1106         Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
1107 }
1108
1109 void R_Viewport_InitRectSideView(r_viewport_t *v, const matrix4x4_t *cameramatrix, int side, int size, int border, float nearclip, float farclip, const float *nearplane, int offsetx, int offsety)
1110 {
1111         matrix4x4_t tempmatrix, basematrix;
1112         float m[16];
1113         memset(v, 0, sizeof(*v));
1114         v->type = R_VIEWPORTTYPE_PERSPECTIVECUBESIDE;
1115         v->cameramatrix = *cameramatrix;
1116         v->x = offsetx + (side & 1) * size;
1117         v->y = offsety + (side >> 1) * size;
1118         v->width = size;
1119         v->height = size;
1120         v->depth = 1;
1121         memset(m, 0, sizeof(m));
1122         m[0] = m[5] = 1.0f * ((float)size - border) / size;
1123         m[10] = -(farclip + nearclip) / (farclip - nearclip);
1124         m[11] = -1;
1125         m[14] = -2 * nearclip * farclip / (farclip - nearclip);
1126
1127         Matrix4x4_FromArrayFloatGL(&basematrix, rectviewmatrix[side]);
1128         Matrix4x4_Invert_Full(&tempmatrix, &v->cameramatrix);
1129         Matrix4x4_Concat(&v->viewmatrix, &basematrix, &tempmatrix);
1130
1131         switch(vid.renderpath)
1132         {
1133         case RENDERPATH_GL20:
1134         case RENDERPATH_GL13:
1135         case RENDERPATH_GL11:
1136         case RENDERPATH_SOFT:
1137         case RENDERPATH_GLES1:
1138         case RENDERPATH_GLES2:
1139                 break;
1140         case RENDERPATH_D3D9:
1141                 m[5] *= -1;
1142                 break;
1143         case RENDERPATH_D3D10:
1144                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1145                 break;
1146         case RENDERPATH_D3D11:
1147                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1148                 break;
1149         }
1150
1151         if (nearplane)
1152                 R_Viewport_ApplyNearClipPlaneFloatGL(v, m, nearplane[0], nearplane[1], nearplane[2], nearplane[3]);
1153
1154         Matrix4x4_FromArrayFloatGL(&v->projectmatrix, m);
1155 }
1156
1157 void R_SetViewport(const r_viewport_t *v)
1158 {
1159         gl_viewport = *v;
1160
1161         // FIXME: v_flipped_state is evil, this probably breaks somewhere
1162         GL_SetMirrorState(v_flipped.integer && (v->type == R_VIEWPORTTYPE_PERSPECTIVE || v->type == R_VIEWPORTTYPE_PERSPECTIVE_INFINITEFARCLIP));
1163
1164         // copy over the matrices to our state
1165         gl_viewmatrix = v->viewmatrix;
1166         gl_projectionmatrix = v->projectmatrix;
1167
1168         switch(vid.renderpath)
1169         {
1170         case RENDERPATH_GL13:
1171         case RENDERPATH_GL11:
1172         case RENDERPATH_GLES1:
1173 #ifndef USE_GLES2
1174                 {
1175                         float m[16];
1176                         CHECKGLERROR
1177                         qglViewport(v->x, v->y, v->width, v->height);CHECKGLERROR
1178                         // Load the projection matrix into OpenGL
1179                         qglMatrixMode(GL_PROJECTION);CHECKGLERROR
1180                         Matrix4x4_ToArrayFloatGL(&gl_projectionmatrix, m);
1181                         qglLoadMatrixf(m);CHECKGLERROR
1182                         qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
1183                 }
1184 #endif
1185                 break;
1186         case RENDERPATH_D3D9:
1187 #ifdef SUPPORTD3D
1188                 {
1189                         D3DVIEWPORT9 d3dviewport;
1190                         d3dviewport.X = gl_viewport.x;
1191                         d3dviewport.Y = gl_viewport.y;
1192                         d3dviewport.Width = gl_viewport.width;
1193                         d3dviewport.Height = gl_viewport.height;
1194                         d3dviewport.MinZ = gl_state.depthrange[0];
1195                         d3dviewport.MaxZ = gl_state.depthrange[1];
1196                         IDirect3DDevice9_SetViewport(vid_d3d9dev, &d3dviewport);
1197                 }
1198 #endif
1199                 break;
1200         case RENDERPATH_D3D10:
1201                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1202                 break;
1203         case RENDERPATH_D3D11:
1204                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1205                 break;
1206         case RENDERPATH_SOFT:
1207                 DPSOFTRAST_Viewport(v->x, v->y, v->width, v->height);
1208                 break;
1209         case RENDERPATH_GL20:
1210         case RENDERPATH_GLES2:
1211                 CHECKGLERROR
1212                 qglViewport(v->x, v->y, v->width, v->height);CHECKGLERROR
1213                 break;
1214         }
1215
1216         // force an update of the derived matrices
1217         gl_modelmatrixchanged = true;
1218         R_EntityMatrix(&gl_modelmatrix);
1219 }
1220
1221 void R_GetViewport(r_viewport_t *v)
1222 {
1223         *v = gl_viewport;
1224 }
1225
1226 static void GL_BindVBO(int bufferobject)
1227 {
1228         if (gl_state.vertexbufferobject != bufferobject)
1229         {
1230                 gl_state.vertexbufferobject = bufferobject;
1231                 CHECKGLERROR
1232                 qglBindBufferARB(GL_ARRAY_BUFFER, bufferobject);CHECKGLERROR
1233         }
1234 }
1235
1236 static void GL_BindEBO(int bufferobject)
1237 {
1238         if (gl_state.elementbufferobject != bufferobject)
1239         {
1240                 gl_state.elementbufferobject = bufferobject;
1241                 CHECKGLERROR
1242                 qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, bufferobject);CHECKGLERROR
1243         }
1244 }
1245
1246 static void GL_BindUBO(int bufferobject)
1247 {
1248         if (gl_state.uniformbufferobject != bufferobject)
1249         {
1250                 gl_state.uniformbufferobject = bufferobject;
1251 #ifdef GL_UNIFORM_BUFFER
1252                 CHECKGLERROR
1253                 qglBindBufferARB(GL_UNIFORM_BUFFER, bufferobject);CHECKGLERROR
1254 #endif
1255         }
1256 }
1257
1258 static const GLuint drawbuffers[4] = {GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2, GL_COLOR_ATTACHMENT3};
1259 int R_Mesh_CreateFramebufferObject(rtexture_t *depthtexture, rtexture_t *colortexture, rtexture_t *colortexture2, rtexture_t *colortexture3, rtexture_t *colortexture4)
1260 {
1261         switch(vid.renderpath)
1262         {
1263         case RENDERPATH_GL11:
1264         case RENDERPATH_GL13:
1265         case RENDERPATH_GL20:
1266         case RENDERPATH_GLES1:
1267         case RENDERPATH_GLES2:
1268                 if (vid.support.arb_framebuffer_object)
1269                 {
1270                         int temp;
1271                         GLuint status;
1272                         qglGenFramebuffers(1, (GLuint*)&temp);CHECKGLERROR
1273                         R_Mesh_SetRenderTargets(temp, NULL, NULL, NULL, NULL, NULL);
1274                         // GL_ARB_framebuffer_object (GL3-class hardware) - depth stencil attachment
1275 #ifdef USE_GLES2
1276                         // FIXME: separate stencil attachment on GLES
1277                         if (depthtexture  && depthtexture->texnum ) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT  , depthtexture->gltexturetypeenum , depthtexture->texnum , 0);CHECKGLERROR
1278                         if (depthtexture  && depthtexture->renderbuffernum ) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT  , GL_RENDERBUFFER, depthtexture->renderbuffernum );CHECKGLERROR
1279 #else
1280                         if (depthtexture  && depthtexture->texnum )
1281                         {
1282                                 qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT  , depthtexture->gltexturetypeenum , depthtexture->texnum , 0);CHECKGLERROR
1283                                 if (depthtexture->glisdepthstencil) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT  , depthtexture->gltexturetypeenum , depthtexture->texnum , 0);CHECKGLERROR
1284                         }
1285                         if (depthtexture  && depthtexture->renderbuffernum )
1286                         {
1287                                 qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT  , GL_RENDERBUFFER, depthtexture->renderbuffernum );CHECKGLERROR
1288                                 if (depthtexture->glisdepthstencil) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT  , GL_RENDERBUFFER, depthtexture->renderbuffernum );CHECKGLERROR
1289                         }
1290 #endif
1291                         if (colortexture  && colortexture->texnum ) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 , colortexture->gltexturetypeenum , colortexture->texnum , 0);CHECKGLERROR
1292                         if (colortexture2 && colortexture2->texnum) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1 , colortexture2->gltexturetypeenum, colortexture2->texnum, 0);CHECKGLERROR
1293                         if (colortexture3 && colortexture3->texnum) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2 , colortexture3->gltexturetypeenum, colortexture3->texnum, 0);CHECKGLERROR
1294                         if (colortexture4 && colortexture4->texnum) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT3 , colortexture4->gltexturetypeenum, colortexture4->texnum, 0);CHECKGLERROR
1295                         if (colortexture  && colortexture->renderbuffernum ) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 , GL_RENDERBUFFER, colortexture->renderbuffernum );CHECKGLERROR
1296                         if (colortexture2 && colortexture2->renderbuffernum) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1 , GL_RENDERBUFFER, colortexture2->renderbuffernum);CHECKGLERROR
1297                         if (colortexture3 && colortexture3->renderbuffernum) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2 , GL_RENDERBUFFER, colortexture3->renderbuffernum);CHECKGLERROR
1298                         if (colortexture4 && colortexture4->renderbuffernum) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT3 , GL_RENDERBUFFER, colortexture4->renderbuffernum);CHECKGLERROR
1299
1300 #ifndef USE_GLES2
1301                         if (colortexture4 && qglDrawBuffersARB)
1302                         {
1303                                 qglDrawBuffersARB(4, drawbuffers);CHECKGLERROR
1304                                 qglReadBuffer(GL_NONE);CHECKGLERROR
1305                         }
1306                         else if (colortexture3 && qglDrawBuffersARB)
1307                         {
1308                                 qglDrawBuffersARB(3, drawbuffers);CHECKGLERROR
1309                                 qglReadBuffer(GL_NONE);CHECKGLERROR
1310                         }
1311                         else if (colortexture2 && qglDrawBuffersARB)
1312                         {
1313                                 qglDrawBuffersARB(2, drawbuffers);CHECKGLERROR
1314                                 qglReadBuffer(GL_NONE);CHECKGLERROR
1315                         }
1316                         else if (colortexture && qglDrawBuffer)
1317                         {
1318                                 qglDrawBuffer(GL_COLOR_ATTACHMENT0);CHECKGLERROR
1319                                 qglReadBuffer(GL_COLOR_ATTACHMENT0);CHECKGLERROR
1320                         }
1321                         else if (qglDrawBuffer)
1322                         {
1323                                 qglDrawBuffer(GL_NONE);CHECKGLERROR
1324                                 qglReadBuffer(GL_NONE);CHECKGLERROR
1325                         }
1326 #endif
1327                         status = qglCheckFramebufferStatus(GL_FRAMEBUFFER);CHECKGLERROR
1328                         if (status != GL_FRAMEBUFFER_COMPLETE)
1329                         {
1330                                 Con_Printf("R_Mesh_CreateFramebufferObject: glCheckFramebufferStatus returned %i\n", status);
1331                                 gl_state.framebufferobject = 0; // GL unbinds it for us
1332                                 qglDeleteFramebuffers(1, (GLuint*)&temp);
1333                                 temp = 0;
1334                         }
1335                         return temp;
1336                 }
1337                 else if (vid.support.ext_framebuffer_object)
1338                 {
1339                         int temp;
1340                         GLuint status;
1341                         qglGenFramebuffers(1, (GLuint*)&temp);CHECKGLERROR
1342                         R_Mesh_SetRenderTargets(temp, NULL, NULL, NULL, NULL, NULL);
1343                         // GL_EXT_framebuffer_object (GL2-class hardware) - no depth stencil attachment, let it break stencil
1344                         if (depthtexture  && depthtexture->texnum ) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT  , depthtexture->gltexturetypeenum , depthtexture->texnum , 0);CHECKGLERROR
1345                         if (depthtexture  && depthtexture->renderbuffernum ) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT  , GL_RENDERBUFFER, depthtexture->renderbuffernum );CHECKGLERROR
1346                         if (colortexture  && colortexture->texnum ) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 , colortexture->gltexturetypeenum , colortexture->texnum , 0);CHECKGLERROR
1347                         if (colortexture2 && colortexture2->texnum) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1 , colortexture2->gltexturetypeenum, colortexture2->texnum, 0);CHECKGLERROR
1348                         if (colortexture3 && colortexture3->texnum) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2 , colortexture3->gltexturetypeenum, colortexture3->texnum, 0);CHECKGLERROR
1349                         if (colortexture4 && colortexture4->texnum) qglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT3 , colortexture4->gltexturetypeenum, colortexture4->texnum, 0);CHECKGLERROR
1350                         if (colortexture  && colortexture->renderbuffernum ) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0 , GL_RENDERBUFFER, colortexture->renderbuffernum );CHECKGLERROR
1351                         if (colortexture2 && colortexture2->renderbuffernum) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1 , GL_RENDERBUFFER, colortexture2->renderbuffernum);CHECKGLERROR
1352                         if (colortexture3 && colortexture3->renderbuffernum) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2 , GL_RENDERBUFFER, colortexture3->renderbuffernum);CHECKGLERROR
1353                         if (colortexture4 && colortexture4->renderbuffernum) qglFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT3 , GL_RENDERBUFFER, colortexture4->renderbuffernum);CHECKGLERROR
1354
1355 #ifndef USE_GLES2
1356                         if (colortexture4 && qglDrawBuffersARB)
1357                         {
1358                                 qglDrawBuffersARB(4, drawbuffers);CHECKGLERROR
1359                                 qglReadBuffer(GL_NONE);CHECKGLERROR
1360                         }
1361                         else if (colortexture3 && qglDrawBuffersARB)
1362                         {
1363                                 qglDrawBuffersARB(3, drawbuffers);CHECKGLERROR
1364                                 qglReadBuffer(GL_NONE);CHECKGLERROR
1365                         }
1366                         else if (colortexture2 && qglDrawBuffersARB)
1367                         {
1368                                 qglDrawBuffersARB(2, drawbuffers);CHECKGLERROR
1369                                 qglReadBuffer(GL_NONE);CHECKGLERROR
1370                         }
1371                         else if (colortexture && qglDrawBuffer)
1372                         {
1373                                 qglDrawBuffer(GL_COLOR_ATTACHMENT0);CHECKGLERROR
1374                                 qglReadBuffer(GL_COLOR_ATTACHMENT0);CHECKGLERROR
1375                         }
1376                         else if (qglDrawBuffer)
1377                         {
1378                                 qglDrawBuffer(GL_NONE);CHECKGLERROR
1379                                 qglReadBuffer(GL_NONE);CHECKGLERROR
1380                         }
1381 #endif
1382                         status = qglCheckFramebufferStatus(GL_FRAMEBUFFER);CHECKGLERROR
1383                         if (status != GL_FRAMEBUFFER_COMPLETE)
1384                         {
1385                                 Con_Printf("R_Mesh_CreateFramebufferObject: glCheckFramebufferStatus returned %i\n", status);
1386                                 gl_state.framebufferobject = 0; // GL unbinds it for us
1387                                 qglDeleteFramebuffers(1, (GLuint*)&temp);
1388                                 temp = 0;
1389                         }
1390                         return temp;
1391                 }
1392                 return 0;
1393         case RENDERPATH_D3D9:
1394         case RENDERPATH_D3D10:
1395         case RENDERPATH_D3D11:
1396                 return 1;
1397         case RENDERPATH_SOFT:
1398                 return 1;
1399         }
1400         return 0;
1401 }
1402
1403 void R_Mesh_DestroyFramebufferObject(int fbo)
1404 {
1405         switch(vid.renderpath)
1406         {
1407         case RENDERPATH_GL11:
1408         case RENDERPATH_GL13:
1409         case RENDERPATH_GL20:
1410         case RENDERPATH_GLES1:
1411         case RENDERPATH_GLES2:
1412                 if (fbo)
1413                 {
1414                         // GL clears the binding if we delete something bound
1415                         if (gl_state.framebufferobject == fbo)
1416                                 gl_state.framebufferobject = 0;
1417                         qglDeleteFramebuffers(1, (GLuint*)&fbo);
1418                 }
1419                 break;
1420         case RENDERPATH_D3D9:
1421         case RENDERPATH_D3D10:
1422         case RENDERPATH_D3D11:
1423                 break;
1424         case RENDERPATH_SOFT:
1425                 break;
1426         }
1427 }
1428
1429 #ifdef SUPPORTD3D
1430 void R_Mesh_SetRenderTargetsD3D9(IDirect3DSurface9 *depthsurface, IDirect3DSurface9 *colorsurface0, IDirect3DSurface9 *colorsurface1, IDirect3DSurface9 *colorsurface2, IDirect3DSurface9 *colorsurface3)
1431 {
1432         gl_state.framebufferobject = depthsurface != gl_state.d3drt_backbufferdepthsurface || colorsurface0 != gl_state.d3drt_backbuffercolorsurface;
1433         if (gl_state.d3drt_depthsurface != depthsurface)
1434         {
1435                 gl_state.d3drt_depthsurface = depthsurface;
1436                 IDirect3DDevice9_SetDepthStencilSurface(vid_d3d9dev, gl_state.d3drt_depthsurface);
1437         }
1438         if (gl_state.d3drt_colorsurfaces[0] != colorsurface0)
1439         {
1440                 gl_state.d3drt_colorsurfaces[0] = colorsurface0;
1441                 IDirect3DDevice9_SetRenderTarget(vid_d3d9dev, 0, gl_state.d3drt_colorsurfaces[0]);
1442         }
1443         if (gl_state.d3drt_colorsurfaces[1] != colorsurface1)
1444         {
1445                 gl_state.d3drt_colorsurfaces[1] = colorsurface1;
1446                 IDirect3DDevice9_SetRenderTarget(vid_d3d9dev, 1, gl_state.d3drt_colorsurfaces[1]);
1447         }
1448         if (gl_state.d3drt_colorsurfaces[2] != colorsurface2)
1449         {
1450                 gl_state.d3drt_colorsurfaces[2] = colorsurface2;
1451                 IDirect3DDevice9_SetRenderTarget(vid_d3d9dev, 2, gl_state.d3drt_colorsurfaces[2]);
1452         }
1453         if (gl_state.d3drt_colorsurfaces[3] != colorsurface3)
1454         {
1455                 gl_state.d3drt_colorsurfaces[3] = colorsurface3;
1456                 IDirect3DDevice9_SetRenderTarget(vid_d3d9dev, 3, gl_state.d3drt_colorsurfaces[3]);
1457         }
1458 }
1459 #endif
1460
1461 void R_Mesh_SetRenderTargets(int fbo, rtexture_t *depthtexture, rtexture_t *colortexture, rtexture_t *colortexture2, rtexture_t *colortexture3, rtexture_t *colortexture4)
1462 {
1463         unsigned int i;
1464         unsigned int j;
1465         rtexture_t *textures[5];
1466         Vector4Set(textures, colortexture, colortexture2, colortexture3, colortexture4);
1467         textures[4] = depthtexture;
1468         // unbind any matching textures immediately, otherwise D3D will complain about a bound texture being used as a render target
1469         for (j = 0;j < 5;j++)
1470                 if (textures[j])
1471                         for (i = 0;i < vid.teximageunits;i++)
1472                                 if (gl_state.units[i].texture == textures[j])
1473                                         R_Mesh_TexBind(i, NULL);
1474         // set up framebuffer object or render targets for the active rendering API
1475         switch(vid.renderpath)
1476         {
1477         case RENDERPATH_GL11:
1478         case RENDERPATH_GL13:
1479         case RENDERPATH_GL20:
1480         case RENDERPATH_GLES1:
1481         case RENDERPATH_GLES2:
1482                 if (gl_state.framebufferobject != fbo)
1483                 {
1484                         gl_state.framebufferobject = fbo;
1485                         qglBindFramebuffer(GL_FRAMEBUFFER, gl_state.framebufferobject ? gl_state.framebufferobject : gl_state.defaultframebufferobject);
1486                 }
1487                 break;
1488         case RENDERPATH_D3D9:
1489 #ifdef SUPPORTD3D
1490                 // set up the new render targets, a NULL depthtexture intentionally binds nothing
1491                 // TODO: optimize: keep surface pointer around in rtexture_t until texture is freed or lost
1492                 if (fbo)
1493                 {
1494                         IDirect3DSurface9 *surfaces[5];
1495                         for (i = 0;i < 5;i++)
1496                         {
1497                                 surfaces[i] = NULL;
1498                                 if (textures[i])
1499                                 {
1500                                         if (textures[i]->d3dsurface)
1501                                                 surfaces[i] = (IDirect3DSurface9 *)textures[i]->d3dsurface;
1502                                         else
1503                                                 IDirect3DTexture9_GetSurfaceLevel((IDirect3DTexture9 *)textures[i]->d3dtexture, 0, &surfaces[i]);
1504                                 }
1505                         }
1506                         // set the render targets for real
1507                         R_Mesh_SetRenderTargetsD3D9(surfaces[4], surfaces[0], surfaces[1], surfaces[2], surfaces[3]);
1508                         // release the texture surface levels (they won't be lost while bound...)
1509                         for (i = 0;i < 5;i++)
1510                                 if (textures[i] && !textures[i]->d3dsurface)
1511                                         IDirect3DSurface9_Release(surfaces[i]);
1512                 }
1513                 else
1514                         R_Mesh_SetRenderTargetsD3D9(gl_state.d3drt_backbufferdepthsurface, gl_state.d3drt_backbuffercolorsurface, NULL, NULL, NULL);
1515 #endif
1516                 break;
1517         case RENDERPATH_D3D10:
1518                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1519                 break;
1520         case RENDERPATH_D3D11:
1521                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1522                 break;
1523         case RENDERPATH_SOFT:
1524                 if (fbo)
1525                 {
1526                         int width, height;
1527                         unsigned int *pointers[5];
1528                         memset(pointers, 0, sizeof(pointers));
1529                         for (i = 0;i < 5;i++)
1530                                 pointers[i] = textures[i] ? (unsigned int *)DPSOFTRAST_Texture_GetPixelPointer(textures[i]->texnum, 0) : NULL;
1531                         width = DPSOFTRAST_Texture_GetWidth(textures[0] ? textures[0]->texnum : textures[4]->texnum, 0);
1532                         height = DPSOFTRAST_Texture_GetHeight(textures[0] ? textures[0]->texnum : textures[4]->texnum, 0);
1533                         DPSOFTRAST_SetRenderTargets(width, height, pointers[4], pointers[0], pointers[1], pointers[2], pointers[3]);
1534                 }
1535                 else
1536                         DPSOFTRAST_SetRenderTargets(vid.width, vid.height, vid.softdepthpixels, vid.softpixels, NULL, NULL, NULL);
1537                 break;
1538         }
1539 }
1540
1541 #ifdef SUPPORTD3D
1542 static int d3dcmpforglfunc(int f)
1543 {
1544         switch(f)
1545         {
1546         case GL_NEVER: return D3DCMP_NEVER;
1547         case GL_LESS: return D3DCMP_LESS;
1548         case GL_EQUAL: return D3DCMP_EQUAL;
1549         case GL_LEQUAL: return D3DCMP_LESSEQUAL;
1550         case GL_GREATER: return D3DCMP_GREATER;
1551         case GL_NOTEQUAL: return D3DCMP_NOTEQUAL;
1552         case GL_GEQUAL: return D3DCMP_GREATEREQUAL;
1553         case GL_ALWAYS: return D3DCMP_ALWAYS;
1554         default: Con_DPrintf("Unknown GL_DepthFunc\n");return D3DCMP_ALWAYS;
1555         }
1556 }
1557
1558 static int d3dstencilopforglfunc(int f)
1559 {
1560         switch(f)
1561         {
1562         case GL_KEEP: return D3DSTENCILOP_KEEP;
1563         case GL_INCR: return D3DSTENCILOP_INCR; // note: GL_INCR is clamped, D3DSTENCILOP_INCR wraps
1564         case GL_DECR: return D3DSTENCILOP_DECR; // note: GL_DECR is clamped, D3DSTENCILOP_DECR wraps
1565         default: Con_DPrintf("Unknown GL_StencilFunc\n");return D3DSTENCILOP_KEEP;
1566         }
1567 }
1568 #endif
1569
1570 static void GL_Backend_ResetState(void)
1571 {
1572         unsigned int i;
1573         gl_state.active = true;
1574         gl_state.depthtest = true;
1575         gl_state.alphatest = false;
1576         gl_state.alphafunc = GL_GEQUAL;
1577         gl_state.alphafuncvalue = 0.5f;
1578         gl_state.alphatocoverage = false;
1579         gl_state.blendfunc1 = GL_ONE;
1580         gl_state.blendfunc2 = GL_ZERO;
1581         gl_state.blend = false;
1582         gl_state.depthmask = GL_TRUE;
1583         gl_state.colormask = 15;
1584         gl_state.color4f[0] = gl_state.color4f[1] = gl_state.color4f[2] = gl_state.color4f[3] = 1;
1585         gl_state.lockrange_first = 0;
1586         gl_state.lockrange_count = 0;
1587         gl_state.cullface = GL_FRONT;
1588         gl_state.cullfaceenable = false;
1589         gl_state.polygonoffset[0] = 0;
1590         gl_state.polygonoffset[1] = 0;
1591         gl_state.framebufferobject = 0;
1592         gl_state.depthfunc = GL_LEQUAL;
1593
1594         switch(vid.renderpath)
1595         {
1596         case RENDERPATH_D3D9:
1597 #ifdef SUPPORTD3D
1598                 {
1599                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_COLORWRITEENABLE, gl_state.colormask);
1600                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CULLMODE, D3DCULL_NONE);
1601                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZFUNC, d3dcmpforglfunc(gl_state.depthfunc));
1602                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZENABLE, gl_state.depthtest);
1603                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZWRITEENABLE, gl_state.depthmask);
1604                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_SLOPESCALEDEPTHBIAS, gl_state.polygonoffset[0]);
1605                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_DEPTHBIAS, gl_state.polygonoffset[1] * (1.0f / 16777216.0f));
1606                 }
1607 #endif
1608                 break;
1609         case RENDERPATH_D3D10:
1610                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1611                 break;
1612         case RENDERPATH_D3D11:
1613                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1614                 break;
1615         case RENDERPATH_GL11:
1616         case RENDERPATH_GL13:
1617         case RENDERPATH_GLES1:
1618 #ifndef USE_GLES2
1619                 CHECKGLERROR
1620
1621                 qglColorMask(1, 1, 1, 1);CHECKGLERROR
1622                 qglAlphaFunc(gl_state.alphafunc, gl_state.alphafuncvalue);CHECKGLERROR
1623                 qglDisable(GL_ALPHA_TEST);CHECKGLERROR
1624                 if (qglBlendFuncSeparate)
1625                 {
1626                         qglBlendFuncSeparate(gl_state.blendfunc1, gl_state.blendfunc2, GL_ZERO, GL_ONE);CHECKGLERROR // ELUAN: Adreno 225 (and others) compositing workaround
1627                 }
1628                 else
1629                 {
1630                         qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
1631                 }
1632                 qglDisable(GL_BLEND);CHECKGLERROR
1633                 qglCullFace(gl_state.cullface);CHECKGLERROR
1634                 qglDisable(GL_CULL_FACE);CHECKGLERROR
1635                 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
1636                 qglEnable(GL_DEPTH_TEST);CHECKGLERROR
1637                 qglDepthMask(gl_state.depthmask);CHECKGLERROR
1638                 qglPolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
1639
1640                 if (vid.support.arb_vertex_buffer_object)
1641                 {
1642                         qglBindBufferARB(GL_ARRAY_BUFFER, 0);
1643                         qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0);
1644                 }
1645
1646                 if (vid.support.ext_framebuffer_object)
1647                 {
1648                         //qglBindRenderbuffer(GL_RENDERBUFFER, 0);
1649                         qglBindFramebuffer(GL_FRAMEBUFFER, 0);
1650                 }
1651
1652                 qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), NULL);CHECKGLERROR
1653                 qglEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR
1654
1655                 qglColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL);CHECKGLERROR
1656                 qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
1657                 qglColor4f(1, 1, 1, 1);CHECKGLERROR
1658
1659                 if (vid.support.ext_framebuffer_object)
1660                         qglBindFramebuffer(GL_FRAMEBUFFER, gl_state.framebufferobject);
1661
1662                 gl_state.unit = MAX_TEXTUREUNITS;
1663                 gl_state.clientunit = MAX_TEXTUREUNITS;
1664                 for (i = 0;i < vid.texunits;i++)
1665                 {
1666                         GL_ActiveTexture(i);
1667                         GL_ClientActiveTexture(i);
1668                         qglDisable(GL_TEXTURE_2D);CHECKGLERROR
1669                         qglBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR
1670                         if (vid.support.ext_texture_3d)
1671                         {
1672                                 qglDisable(GL_TEXTURE_3D);CHECKGLERROR
1673                                 qglBindTexture(GL_TEXTURE_3D, 0);CHECKGLERROR
1674                         }
1675                         if (vid.support.arb_texture_cube_map)
1676                         {
1677                                 qglDisable(GL_TEXTURE_CUBE_MAP);CHECKGLERROR
1678                                 qglBindTexture(GL_TEXTURE_CUBE_MAP, 0);CHECKGLERROR
1679                         }
1680                         GL_BindVBO(0);
1681                         qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), NULL);CHECKGLERROR
1682                         qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
1683                         qglMatrixMode(GL_TEXTURE);CHECKGLERROR
1684                         qglLoadIdentity();CHECKGLERROR
1685                         qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
1686                         qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
1687                 }
1688                 CHECKGLERROR
1689 #endif
1690                 break;
1691         case RENDERPATH_SOFT:
1692                 DPSOFTRAST_ColorMask(1,1,1,1);
1693                 DPSOFTRAST_BlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);
1694                 DPSOFTRAST_CullFace(gl_state.cullface);
1695                 DPSOFTRAST_DepthFunc(gl_state.depthfunc);
1696                 DPSOFTRAST_DepthMask(gl_state.depthmask);
1697                 DPSOFTRAST_PolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
1698                 DPSOFTRAST_SetRenderTargets(vid.width, vid.height, vid.softdepthpixels, vid.softpixels, NULL, NULL, NULL);
1699                 DPSOFTRAST_Viewport(0, 0, vid.width, vid.height);
1700                 break;
1701         case RENDERPATH_GL20:
1702         case RENDERPATH_GLES2:
1703                 CHECKGLERROR
1704                 qglColorMask(1, 1, 1, 1);CHECKGLERROR
1705                 qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
1706                 qglDisable(GL_BLEND);CHECKGLERROR
1707                 qglCullFace(gl_state.cullface);CHECKGLERROR
1708                 qglDisable(GL_CULL_FACE);CHECKGLERROR
1709                 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
1710                 qglEnable(GL_DEPTH_TEST);CHECKGLERROR
1711                 qglDepthMask(gl_state.depthmask);CHECKGLERROR
1712                 qglPolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
1713                 if (vid.support.arb_vertex_buffer_object)
1714                 {
1715                         qglBindBufferARB(GL_ARRAY_BUFFER, 0);
1716                         qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, 0);
1717                 }
1718                 if (vid.support.ext_framebuffer_object)
1719                         qglBindFramebuffer(GL_FRAMEBUFFER, gl_state.defaultframebufferobject);
1720                 qglEnableVertexAttribArray(GLSLATTRIB_POSITION);
1721                 qglVertexAttribPointer(GLSLATTRIB_POSITION, 3, GL_FLOAT, false, sizeof(float[3]), NULL);CHECKGLERROR
1722                 qglDisableVertexAttribArray(GLSLATTRIB_COLOR);
1723                 qglVertexAttribPointer(GLSLATTRIB_COLOR, 4, GL_FLOAT, false, sizeof(float[4]), NULL);CHECKGLERROR
1724                 qglVertexAttrib4f(GLSLATTRIB_COLOR, 1, 1, 1, 1);
1725                 gl_state.unit = MAX_TEXTUREUNITS;
1726                 gl_state.clientunit = MAX_TEXTUREUNITS;
1727                 for (i = 0;i < vid.teximageunits;i++)
1728                 {
1729                         GL_ActiveTexture(i);
1730                         qglBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR
1731                         if (vid.support.ext_texture_3d)
1732                         {
1733                                 qglBindTexture(GL_TEXTURE_3D, 0);CHECKGLERROR
1734                         }
1735                         if (vid.support.arb_texture_cube_map)
1736                         {
1737                                 qglBindTexture(GL_TEXTURE_CUBE_MAP, 0);CHECKGLERROR
1738                         }
1739                 }
1740                 for (i = 0;i < vid.texarrayunits;i++)
1741                 {
1742                         GL_BindVBO(0);
1743                         qglVertexAttribPointer(i+GLSLATTRIB_TEXCOORD0, 2, GL_FLOAT, false, sizeof(float[2]), NULL);CHECKGLERROR
1744                         qglDisableVertexAttribArray(i+GLSLATTRIB_TEXCOORD0);CHECKGLERROR
1745                 }
1746                 CHECKGLERROR
1747                 break;
1748         }
1749 }
1750
1751 void GL_ActiveTexture(unsigned int num)
1752 {
1753         if (gl_state.unit != num)
1754         {
1755                 gl_state.unit = num;
1756                 switch(vid.renderpath)
1757                 {
1758                 case RENDERPATH_GL11:
1759                 case RENDERPATH_GL13:
1760                 case RENDERPATH_GL20:
1761                 case RENDERPATH_GLES1:
1762                 case RENDERPATH_GLES2:
1763                         if (qglActiveTexture)
1764                         {
1765                                 CHECKGLERROR
1766                                 qglActiveTexture(GL_TEXTURE0 + gl_state.unit);
1767                                 CHECKGLERROR
1768                         }
1769                         break;
1770                 case RENDERPATH_D3D9:
1771                 case RENDERPATH_D3D10:
1772                 case RENDERPATH_D3D11:
1773                         break;
1774                 case RENDERPATH_SOFT:
1775                         break;
1776                 }
1777         }
1778 }
1779
1780 void GL_ClientActiveTexture(unsigned int num)
1781 {
1782         if (gl_state.clientunit != num)
1783         {
1784                 gl_state.clientunit = num;
1785                 switch(vid.renderpath)
1786                 {
1787                 case RENDERPATH_GL11:
1788                 case RENDERPATH_GL13:
1789                 case RENDERPATH_GLES1:
1790 #ifndef USE_GLES2
1791                         if (qglActiveTexture)
1792                         {
1793                                 CHECKGLERROR
1794                                 qglClientActiveTexture(GL_TEXTURE0 + gl_state.clientunit);
1795                                 CHECKGLERROR
1796                         }
1797 #endif
1798                         break;
1799                 case RENDERPATH_D3D9:
1800                 case RENDERPATH_D3D10:
1801                 case RENDERPATH_D3D11:
1802                         break;
1803                 case RENDERPATH_SOFT:
1804                         break;
1805                 case RENDERPATH_GL20:
1806                 case RENDERPATH_GLES2:
1807                         break;
1808                 }
1809         }
1810 }
1811
1812 void GL_BlendFunc(int blendfunc1, int blendfunc2)
1813 {
1814         if (gl_state.blendfunc1 != blendfunc1 || gl_state.blendfunc2 != blendfunc2)
1815         {
1816                 qboolean blendenable;
1817                 gl_state.blendfunc1 = blendfunc1;
1818                 gl_state.blendfunc2 = blendfunc2;
1819                 blendenable = (gl_state.blendfunc1 != GL_ONE || gl_state.blendfunc2 != GL_ZERO);
1820                 switch(vid.renderpath)
1821                 {
1822                 case RENDERPATH_GL11:
1823                 case RENDERPATH_GL13:
1824                 case RENDERPATH_GL20:
1825                 case RENDERPATH_GLES1:
1826                 case RENDERPATH_GLES2:
1827                         CHECKGLERROR
1828                         if (qglBlendFuncSeparate)
1829                         {
1830                                 qglBlendFuncSeparate(gl_state.blendfunc1, gl_state.blendfunc2, GL_ZERO, GL_ONE);CHECKGLERROR // ELUAN: Adreno 225 (and others) compositing workaround
1831                         }
1832                         else
1833                         {
1834                                 qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
1835                         }
1836                         if (gl_state.blend != blendenable)
1837                         {
1838                                 gl_state.blend = blendenable;
1839                                 if (!gl_state.blend)
1840                                 {
1841                                         qglDisable(GL_BLEND);CHECKGLERROR
1842                                 }
1843                                 else
1844                                 {
1845                                         qglEnable(GL_BLEND);CHECKGLERROR
1846                                 }
1847                         }
1848                         break;
1849                 case RENDERPATH_D3D9:
1850 #ifdef SUPPORTD3D
1851                         {
1852                                 int i;
1853                                 int glblendfunc[2];
1854                                 D3DBLEND d3dblendfunc[2];
1855                                 glblendfunc[0] = gl_state.blendfunc1;
1856                                 glblendfunc[1] = gl_state.blendfunc2;
1857                                 for (i = 0;i < 2;i++)
1858                                 {
1859                                         switch(glblendfunc[i])
1860                                         {
1861                                         case GL_ZERO: d3dblendfunc[i] = D3DBLEND_ZERO;break;
1862                                         case GL_ONE: d3dblendfunc[i] = D3DBLEND_ONE;break;
1863                                         case GL_SRC_COLOR: d3dblendfunc[i] = D3DBLEND_SRCCOLOR;break;
1864                                         case GL_ONE_MINUS_SRC_COLOR: d3dblendfunc[i] = D3DBLEND_INVSRCCOLOR;break;
1865                                         case GL_SRC_ALPHA: d3dblendfunc[i] = D3DBLEND_SRCALPHA;break;
1866                                         case GL_ONE_MINUS_SRC_ALPHA: d3dblendfunc[i] = D3DBLEND_INVSRCALPHA;break;
1867                                         case GL_DST_ALPHA: d3dblendfunc[i] = D3DBLEND_DESTALPHA;break;
1868                                         case GL_ONE_MINUS_DST_ALPHA: d3dblendfunc[i] = D3DBLEND_INVDESTALPHA;break;
1869                                         case GL_DST_COLOR: d3dblendfunc[i] = D3DBLEND_DESTCOLOR;break;
1870                                         case GL_ONE_MINUS_DST_COLOR: d3dblendfunc[i] = D3DBLEND_INVDESTCOLOR;break;
1871                                         }
1872                                 }
1873                                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_SRCBLEND, d3dblendfunc[0]);
1874                                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_DESTBLEND, d3dblendfunc[1]);
1875                                 if (gl_state.blend != blendenable)
1876                                 {
1877                                         gl_state.blend = blendenable;
1878                                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ALPHABLENDENABLE, gl_state.blend);
1879                                 }
1880                         }
1881 #endif
1882                         break;
1883                 case RENDERPATH_D3D10:
1884                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1885                         break;
1886                 case RENDERPATH_D3D11:
1887                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1888                         break;
1889                 case RENDERPATH_SOFT:
1890                         DPSOFTRAST_BlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);
1891                         break;
1892                 }
1893         }
1894 }
1895
1896 void GL_DepthMask(int state)
1897 {
1898         if (gl_state.depthmask != state)
1899         {
1900                 gl_state.depthmask = state;
1901                 switch(vid.renderpath)
1902                 {
1903                 case RENDERPATH_GL11:
1904                 case RENDERPATH_GL13:
1905                 case RENDERPATH_GL20:
1906                 case RENDERPATH_GLES1:
1907                 case RENDERPATH_GLES2:
1908                         CHECKGLERROR
1909                         qglDepthMask(gl_state.depthmask);CHECKGLERROR
1910                         break;
1911                 case RENDERPATH_D3D9:
1912 #ifdef SUPPORTD3D
1913                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZWRITEENABLE, gl_state.depthmask);
1914 #endif
1915                         break;
1916                 case RENDERPATH_D3D10:
1917                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1918                         break;
1919                 case RENDERPATH_D3D11:
1920                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1921                         break;
1922                 case RENDERPATH_SOFT:
1923                         DPSOFTRAST_DepthMask(gl_state.depthmask);
1924                         break;
1925                 }
1926         }
1927 }
1928
1929 void GL_DepthTest(int state)
1930 {
1931         if (gl_state.depthtest != state)
1932         {
1933                 gl_state.depthtest = state;
1934                 switch(vid.renderpath)
1935                 {
1936                 case RENDERPATH_GL11:
1937                 case RENDERPATH_GL13:
1938                 case RENDERPATH_GL20:
1939                 case RENDERPATH_GLES1:
1940                 case RENDERPATH_GLES2:
1941                         CHECKGLERROR
1942                         if (gl_state.depthtest)
1943                         {
1944                                 qglEnable(GL_DEPTH_TEST);CHECKGLERROR
1945                         }
1946                         else
1947                         {
1948                                 qglDisable(GL_DEPTH_TEST);CHECKGLERROR
1949                         }
1950                         break;
1951                 case RENDERPATH_D3D9:
1952 #ifdef SUPPORTD3D
1953                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZENABLE, gl_state.depthtest);
1954 #endif
1955                         break;
1956                 case RENDERPATH_D3D10:
1957                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1958                         break;
1959                 case RENDERPATH_D3D11:
1960                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1961                         break;
1962                 case RENDERPATH_SOFT:
1963                         DPSOFTRAST_DepthTest(gl_state.depthtest);
1964                         break;
1965                 }
1966         }
1967 }
1968
1969 void GL_DepthFunc(int state)
1970 {
1971         if (gl_state.depthfunc != state)
1972         {
1973                 gl_state.depthfunc = state;
1974                 switch(vid.renderpath)
1975                 {
1976                 case RENDERPATH_GL11:
1977                 case RENDERPATH_GL13:
1978                 case RENDERPATH_GL20:
1979                 case RENDERPATH_GLES1:
1980                 case RENDERPATH_GLES2:
1981                         CHECKGLERROR
1982                         qglDepthFunc(gl_state.depthfunc);CHECKGLERROR
1983                         break;
1984                 case RENDERPATH_D3D9:
1985 #ifdef SUPPORTD3D
1986                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_ZFUNC, d3dcmpforglfunc(gl_state.depthfunc));
1987 #endif
1988                         break;
1989                 case RENDERPATH_D3D10:
1990                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1991                         break;
1992                 case RENDERPATH_D3D11:
1993                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
1994                         break;
1995                 case RENDERPATH_SOFT:
1996                         DPSOFTRAST_DepthFunc(gl_state.depthfunc);
1997                         break;
1998                 }
1999         }
2000 }
2001
2002 void GL_DepthRange(float nearfrac, float farfrac)
2003 {
2004         if (gl_state.depthrange[0] != nearfrac || gl_state.depthrange[1] != farfrac)
2005         {
2006                 gl_state.depthrange[0] = nearfrac;
2007                 gl_state.depthrange[1] = farfrac;
2008                 switch(vid.renderpath)
2009                 {
2010                 case RENDERPATH_GL11:
2011                 case RENDERPATH_GL13:
2012                 case RENDERPATH_GL20:
2013                 case RENDERPATH_GLES1:
2014                 case RENDERPATH_GLES2:
2015 #ifdef USE_GLES2
2016                         qglDepthRangef(gl_state.depthrange[0], gl_state.depthrange[1]);
2017 #else
2018                         qglDepthRange(gl_state.depthrange[0], gl_state.depthrange[1]);
2019 #endif
2020                         break;
2021                 case RENDERPATH_D3D9:
2022 #ifdef SUPPORTD3D
2023                         {
2024                                 D3DVIEWPORT9 d3dviewport;
2025                                 d3dviewport.X = gl_viewport.x;
2026                                 d3dviewport.Y = gl_viewport.y;
2027                                 d3dviewport.Width = gl_viewport.width;
2028                                 d3dviewport.Height = gl_viewport.height;
2029                                 d3dviewport.MinZ = gl_state.depthrange[0];
2030                                 d3dviewport.MaxZ = gl_state.depthrange[1];
2031                                 IDirect3DDevice9_SetViewport(vid_d3d9dev, &d3dviewport);
2032                         }
2033 #endif
2034                         break;
2035                 case RENDERPATH_D3D10:
2036                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2037                         break;
2038                 case RENDERPATH_D3D11:
2039                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2040                         break;
2041                 case RENDERPATH_SOFT:
2042                         DPSOFTRAST_DepthRange(gl_state.depthrange[0], gl_state.depthrange[1]);
2043                         break;
2044                 }
2045         }
2046 }
2047
2048 void R_SetStencilSeparate(qboolean enable, int writemask, int frontfail, int frontzfail, int frontzpass, int backfail, int backzfail, int backzpass, int frontcompare, int backcompare, int comparereference, int comparemask)
2049 {
2050         switch (vid.renderpath)
2051         {
2052         case RENDERPATH_GL11:
2053         case RENDERPATH_GL13:
2054         case RENDERPATH_GL20:
2055         case RENDERPATH_GLES1:
2056         case RENDERPATH_GLES2:
2057                 CHECKGLERROR
2058                 if (enable)
2059                 {
2060                         qglEnable(GL_STENCIL_TEST);CHECKGLERROR
2061                 }
2062                 else
2063                 {
2064                         qglDisable(GL_STENCIL_TEST);CHECKGLERROR
2065                 }
2066                 if (vid.support.ati_separate_stencil)
2067                 {
2068                         qglStencilMask(writemask);CHECKGLERROR
2069                         qglStencilOpSeparate(GL_FRONT, frontfail, frontzfail, frontzpass);CHECKGLERROR
2070                         qglStencilOpSeparate(GL_BACK, backfail, backzfail, backzpass);CHECKGLERROR
2071                         qglStencilFuncSeparate(GL_FRONT, frontcompare, comparereference, comparereference);CHECKGLERROR
2072                         qglStencilFuncSeparate(GL_BACK, backcompare, comparereference, comparereference);CHECKGLERROR
2073                 }
2074                 else if (vid.support.ext_stencil_two_side)
2075                 {
2076 #if defined(GL_STENCIL_TEST_TWO_SIDE_EXT) && !defined(USE_GLES2)
2077                         qglEnable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
2078                         qglActiveStencilFaceEXT(GL_FRONT);CHECKGLERROR
2079                         qglStencilMask(writemask);CHECKGLERROR
2080                         qglStencilOp(frontfail, frontzfail, frontzpass);CHECKGLERROR
2081                         qglStencilFunc(frontcompare, comparereference, comparemask);CHECKGLERROR
2082                         qglActiveStencilFaceEXT(GL_BACK);CHECKGLERROR
2083                         qglStencilMask(writemask);CHECKGLERROR
2084                         qglStencilOp(backfail, backzfail, backzpass);CHECKGLERROR
2085                         qglStencilFunc(backcompare, comparereference, comparemask);CHECKGLERROR
2086 #endif
2087                 }
2088                 break;
2089         case RENDERPATH_D3D9:
2090 #ifdef SUPPORTD3D
2091                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_TWOSIDEDSTENCILMODE, true);
2092                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILENABLE, enable);
2093                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILWRITEMASK, writemask);
2094                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILFAIL, d3dstencilopforglfunc(frontfail));
2095                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILZFAIL, d3dstencilopforglfunc(frontzfail));
2096                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILPASS, d3dstencilopforglfunc(frontzpass));
2097                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILFUNC, d3dcmpforglfunc(frontcompare));
2098                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CCW_STENCILFAIL, d3dstencilopforglfunc(backfail));
2099                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CCW_STENCILZFAIL, d3dstencilopforglfunc(backzfail));
2100                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CCW_STENCILPASS, d3dstencilopforglfunc(backzpass));
2101                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CCW_STENCILFUNC, d3dcmpforglfunc(backcompare));
2102                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILREF, comparereference);
2103                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILMASK, comparemask);
2104 #endif
2105                 break;
2106         case RENDERPATH_D3D10:
2107                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2108                 break;
2109         case RENDERPATH_D3D11:
2110                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2111                 break;
2112         case RENDERPATH_SOFT:
2113                 //Con_DPrintf("FIXME SOFT %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2114                 break;
2115         }
2116 }
2117
2118 void R_SetStencil(qboolean enable, int writemask, int fail, int zfail, int zpass, int compare, int comparereference, int comparemask)
2119 {
2120         switch (vid.renderpath)
2121         {
2122         case RENDERPATH_GL11:
2123         case RENDERPATH_GL13:
2124         case RENDERPATH_GL20:
2125         case RENDERPATH_GLES1:
2126         case RENDERPATH_GLES2:
2127                 CHECKGLERROR
2128                 if (enable)
2129                 {
2130                         qglEnable(GL_STENCIL_TEST);CHECKGLERROR
2131                 }
2132                 else
2133                 {
2134                         qglDisable(GL_STENCIL_TEST);CHECKGLERROR
2135                 }
2136                 if (vid.support.ext_stencil_two_side)
2137                 {
2138 #ifdef GL_STENCIL_TEST_TWO_SIDE_EXT
2139                         qglDisable(GL_STENCIL_TEST_TWO_SIDE_EXT);CHECKGLERROR
2140 #endif
2141                 }
2142                 qglStencilMask(writemask);CHECKGLERROR
2143                 qglStencilOp(fail, zfail, zpass);CHECKGLERROR
2144                 qglStencilFunc(compare, comparereference, comparemask);CHECKGLERROR
2145                 CHECKGLERROR
2146                 break;
2147         case RENDERPATH_D3D9:
2148 #ifdef SUPPORTD3D
2149                 if (vid.support.ati_separate_stencil)
2150                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_TWOSIDEDSTENCILMODE, true);
2151                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILENABLE, enable);
2152                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILWRITEMASK, writemask);
2153                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILFAIL, d3dstencilopforglfunc(fail));
2154                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILZFAIL, d3dstencilopforglfunc(zfail));
2155                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILPASS, d3dstencilopforglfunc(zpass));
2156                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILFUNC, d3dcmpforglfunc(compare));
2157                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILREF, comparereference);
2158                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_STENCILMASK, comparemask);
2159 #endif
2160                 break;
2161         case RENDERPATH_D3D10:
2162                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2163                 break;
2164         case RENDERPATH_D3D11:
2165                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2166                 break;
2167         case RENDERPATH_SOFT:
2168                 //Con_DPrintf("FIXME SOFT %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2169                 break;
2170         }
2171 }
2172
2173 void GL_PolygonOffset(float planeoffset, float depthoffset)
2174 {
2175         if (gl_state.polygonoffset[0] != planeoffset || gl_state.polygonoffset[1] != depthoffset)
2176         {
2177                 gl_state.polygonoffset[0] = planeoffset;
2178                 gl_state.polygonoffset[1] = depthoffset;
2179                 switch(vid.renderpath)
2180                 {
2181                 case RENDERPATH_GL11:
2182                 case RENDERPATH_GL13:
2183                 case RENDERPATH_GL20:
2184                 case RENDERPATH_GLES1:
2185                 case RENDERPATH_GLES2:
2186                         qglPolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
2187                         break;
2188                 case RENDERPATH_D3D9:
2189 #ifdef SUPPORTD3D
2190                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_SLOPESCALEDEPTHBIAS, gl_state.polygonoffset[0]);
2191                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_DEPTHBIAS, gl_state.polygonoffset[1] * (1.0f / 16777216.0f));
2192 #endif
2193                         break;
2194                 case RENDERPATH_D3D10:
2195                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2196                         break;
2197                 case RENDERPATH_D3D11:
2198                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2199                         break;
2200                 case RENDERPATH_SOFT:
2201                         DPSOFTRAST_PolygonOffset(gl_state.polygonoffset[0], gl_state.polygonoffset[1]);
2202                         break;
2203                 }
2204         }
2205 }
2206
2207 void GL_SetMirrorState(qboolean state)
2208 {
2209         if (v_flipped_state != state)
2210         {
2211                 v_flipped_state = state;
2212                 if (gl_state.cullface == GL_BACK)
2213                         gl_state.cullface = GL_FRONT;
2214                 else if (gl_state.cullface == GL_FRONT)
2215                         gl_state.cullface = GL_BACK;
2216                 else
2217                         return;
2218                 switch(vid.renderpath)
2219                 {
2220                 case RENDERPATH_GL11:
2221                 case RENDERPATH_GL13:
2222                 case RENDERPATH_GL20:
2223                 case RENDERPATH_GLES1:
2224                 case RENDERPATH_GLES2:
2225                         qglCullFace(gl_state.cullface);CHECKGLERROR
2226                         break;
2227                 case RENDERPATH_D3D9:
2228 #ifdef SUPPORTD3D
2229                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CULLMODE, gl_state.cullface == GL_FRONT ? D3DCULL_CCW : D3DCULL_CW);
2230 #endif
2231                         break;
2232                 case RENDERPATH_D3D10:
2233                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2234                         break;
2235                 case RENDERPATH_D3D11:
2236                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2237                         break;
2238                 case RENDERPATH_SOFT:
2239                         DPSOFTRAST_CullFace(gl_state.cullface);
2240                         break;
2241                 }
2242         }
2243 }
2244
2245 void GL_CullFace(int state)
2246 {
2247         if(v_flipped_state)
2248         {
2249                 if(state == GL_FRONT)
2250                         state = GL_BACK;
2251                 else if(state == GL_BACK)
2252                         state = GL_FRONT;
2253         }
2254
2255         switch(vid.renderpath)
2256         {
2257         case RENDERPATH_GL11:
2258         case RENDERPATH_GL13:
2259         case RENDERPATH_GL20:
2260         case RENDERPATH_GLES1:
2261         case RENDERPATH_GLES2:
2262                 CHECKGLERROR
2263
2264                 if (state != GL_NONE)
2265                 {
2266                         if (!gl_state.cullfaceenable)
2267                         {
2268                                 gl_state.cullfaceenable = true;
2269                                 qglEnable(GL_CULL_FACE);CHECKGLERROR
2270                         }
2271                         if (gl_state.cullface != state)
2272                         {
2273                                 gl_state.cullface = state;
2274                                 qglCullFace(gl_state.cullface);CHECKGLERROR
2275                         }
2276                 }
2277                 else
2278                 {
2279                         if (gl_state.cullfaceenable)
2280                         {
2281                                 gl_state.cullfaceenable = false;
2282                                 qglDisable(GL_CULL_FACE);CHECKGLERROR
2283                         }
2284                 }
2285                 break;
2286         case RENDERPATH_D3D9:
2287 #ifdef SUPPORTD3D
2288                 if (gl_state.cullface != state)
2289                 {
2290                         gl_state.cullface = state;
2291                         switch(gl_state.cullface)
2292                         {
2293                         case GL_NONE:
2294                                 gl_state.cullfaceenable = false;
2295                                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CULLMODE, D3DCULL_NONE);
2296                                 break;
2297                         case GL_FRONT:
2298                                 gl_state.cullfaceenable = true;
2299                                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CULLMODE, D3DCULL_CCW);
2300                                 break;
2301                         case GL_BACK:
2302                                 gl_state.cullfaceenable = true;
2303                                 IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_CULLMODE, D3DCULL_CW);
2304                                 break;
2305                         }
2306                 }
2307 #endif
2308                 break;
2309         case RENDERPATH_D3D10:
2310                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2311                 break;
2312         case RENDERPATH_D3D11:
2313                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2314                 break;
2315         case RENDERPATH_SOFT:
2316                 if (gl_state.cullface != state)
2317                 {
2318                         gl_state.cullface = state;
2319                         gl_state.cullfaceenable = state != GL_NONE ? true : false;
2320                         DPSOFTRAST_CullFace(gl_state.cullface);
2321                 }
2322                 break;
2323         }
2324 }
2325
2326 void GL_AlphaTest(int state)
2327 {
2328         if (gl_state.alphatest != state)
2329         {
2330                 gl_state.alphatest = state;
2331                 switch(vid.renderpath)
2332                 {
2333                 case RENDERPATH_GL11:
2334                 case RENDERPATH_GL13:
2335                 case RENDERPATH_GLES1:
2336 #ifdef GL_ALPHA_TEST
2337                         // only fixed function uses alpha test, other paths use pixel kill capability in shaders
2338                         CHECKGLERROR
2339                         if (gl_state.alphatest)
2340                         {
2341                                 qglEnable(GL_ALPHA_TEST);CHECKGLERROR
2342                         }
2343                         else
2344                         {
2345                                 qglDisable(GL_ALPHA_TEST);CHECKGLERROR
2346                         }
2347 #endif
2348                         break;
2349                 case RENDERPATH_D3D9:
2350                 case RENDERPATH_D3D10:
2351                 case RENDERPATH_D3D11:
2352                 case RENDERPATH_SOFT:
2353                 case RENDERPATH_GL20:
2354                 case RENDERPATH_GLES2:
2355                         break;
2356                 }
2357         }
2358 }
2359
2360 void GL_AlphaToCoverage(qboolean state)
2361 {
2362         if (gl_state.alphatocoverage != state)
2363         {
2364                 gl_state.alphatocoverage = state;
2365                 switch(vid.renderpath)
2366                 {
2367                 case RENDERPATH_GL11:
2368                 case RENDERPATH_GL13:
2369                 case RENDERPATH_GLES1:
2370                 case RENDERPATH_GLES2:
2371                 case RENDERPATH_D3D9:
2372                 case RENDERPATH_D3D10:
2373                 case RENDERPATH_D3D11:
2374                 case RENDERPATH_SOFT:
2375                         break;
2376                 case RENDERPATH_GL20:
2377 #ifdef GL_SAMPLE_ALPHA_TO_COVERAGE_ARB
2378                         // alpha to coverage turns the alpha value of the pixel into 0%, 25%, 50%, 75% or 100% by masking the multisample fragments accordingly
2379                         CHECKGLERROR
2380                         if (gl_state.alphatocoverage)
2381                         {
2382                                 qglEnable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);CHECKGLERROR
2383 //                              qglEnable(GL_MULTISAMPLE_ARB);CHECKGLERROR
2384                         }
2385                         else
2386                         {
2387                                 qglDisable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);CHECKGLERROR
2388 //                              qglDisable(GL_MULTISAMPLE_ARB);CHECKGLERROR
2389                         }
2390 #endif
2391                         break;
2392                 }
2393         }
2394 }
2395
2396 void GL_ColorMask(int r, int g, int b, int a)
2397 {
2398         // NOTE: this matches D3DCOLORWRITEENABLE_RED, GREEN, BLUE, ALPHA
2399         int state = (r ? 1 : 0) | (g ? 2 : 0) | (b ? 4 : 0) | (a ? 8 : 0);
2400         if (gl_state.colormask != state)
2401         {
2402                 gl_state.colormask = state;
2403                 switch(vid.renderpath)
2404                 {
2405                 case RENDERPATH_GL11:
2406                 case RENDERPATH_GL13:
2407                 case RENDERPATH_GL20:
2408                 case RENDERPATH_GLES1:
2409                 case RENDERPATH_GLES2:
2410                         CHECKGLERROR
2411                         qglColorMask((GLboolean)r, (GLboolean)g, (GLboolean)b, (GLboolean)a);CHECKGLERROR
2412                         break;
2413                 case RENDERPATH_D3D9:
2414 #ifdef SUPPORTD3D
2415                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_COLORWRITEENABLE, state);
2416 #endif
2417                         break;
2418                 case RENDERPATH_D3D10:
2419                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2420                         break;
2421                 case RENDERPATH_D3D11:
2422                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2423                         break;
2424                 case RENDERPATH_SOFT:
2425                         DPSOFTRAST_ColorMask(r, g, b, a);
2426                         break;
2427                 }
2428         }
2429 }
2430
2431 void GL_Color(float cr, float cg, float cb, float ca)
2432 {
2433         if (gl_state.pointer_color_enabled || gl_state.color4f[0] != cr || gl_state.color4f[1] != cg || gl_state.color4f[2] != cb || gl_state.color4f[3] != ca)
2434         {
2435                 gl_state.color4f[0] = cr;
2436                 gl_state.color4f[1] = cg;
2437                 gl_state.color4f[2] = cb;
2438                 gl_state.color4f[3] = ca;
2439                 switch(vid.renderpath)
2440                 {
2441                 case RENDERPATH_GL11:
2442                 case RENDERPATH_GL13:
2443                 case RENDERPATH_GLES1:
2444 #ifndef USE_GLES2
2445                         CHECKGLERROR
2446                         qglColor4f(gl_state.color4f[0], gl_state.color4f[1], gl_state.color4f[2], gl_state.color4f[3]);
2447                         CHECKGLERROR
2448 #endif
2449                         break;
2450                 case RENDERPATH_D3D9:
2451                 case RENDERPATH_D3D10:
2452                 case RENDERPATH_D3D11:
2453                         // no equivalent in D3D
2454                         break;
2455                 case RENDERPATH_SOFT:
2456                         DPSOFTRAST_Color4f(cr, cg, cb, ca);
2457                         break;
2458                 case RENDERPATH_GL20:
2459                 case RENDERPATH_GLES2:
2460                         qglVertexAttrib4f(GLSLATTRIB_COLOR, cr, cg, cb, ca);
2461                         break;
2462                 }
2463         }
2464 }
2465
2466 void GL_Scissor (int x, int y, int width, int height)
2467 {
2468         switch(vid.renderpath)
2469         {
2470         case RENDERPATH_GL11:
2471         case RENDERPATH_GL13:
2472         case RENDERPATH_GL20:
2473         case RENDERPATH_GLES1:
2474         case RENDERPATH_GLES2:
2475                 CHECKGLERROR
2476                 qglScissor(x, y,width,height);
2477                 CHECKGLERROR
2478                 break;
2479         case RENDERPATH_D3D9:
2480 #ifdef SUPPORTD3D
2481                 {
2482                         RECT d3drect;
2483                         d3drect.left = x;
2484                         d3drect.top = y;
2485                         d3drect.right = x + width;
2486                         d3drect.bottom = y + height;
2487                         IDirect3DDevice9_SetScissorRect(vid_d3d9dev, &d3drect);
2488                 }
2489 #endif
2490                 break;
2491         case RENDERPATH_D3D10:
2492                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2493                 break;
2494         case RENDERPATH_D3D11:
2495                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2496                 break;
2497         case RENDERPATH_SOFT:
2498                 DPSOFTRAST_Scissor(x, y, width, height);
2499                 break;
2500         }
2501 }
2502
2503 void GL_ScissorTest(int state)
2504 {
2505         if (gl_state.scissortest != state)
2506         {
2507                 gl_state.scissortest = state;
2508                 switch(vid.renderpath)
2509                 {
2510                 case RENDERPATH_GL11:
2511                 case RENDERPATH_GL13:
2512                 case RENDERPATH_GL20:
2513                 case RENDERPATH_GLES1:
2514                 case RENDERPATH_GLES2:
2515                         CHECKGLERROR
2516                         if(gl_state.scissortest)
2517                                 qglEnable(GL_SCISSOR_TEST);
2518                         else
2519                                 qglDisable(GL_SCISSOR_TEST);
2520                         CHECKGLERROR
2521                         break;
2522                 case RENDERPATH_D3D9:
2523 #ifdef SUPPORTD3D
2524                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_SCISSORTESTENABLE, gl_state.scissortest);
2525 #endif
2526                         break;
2527                 case RENDERPATH_D3D10:
2528                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2529                         break;
2530                 case RENDERPATH_D3D11:
2531                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2532                         break;
2533                 case RENDERPATH_SOFT:
2534                         DPSOFTRAST_ScissorTest(gl_state.scissortest);
2535                         break;
2536                 }
2537         }
2538 }
2539
2540 void GL_Clear(int mask, const float *colorvalue, float depthvalue, int stencilvalue)
2541 {
2542         // opaque black - if you want transparent black, you'll need to pass in a colorvalue
2543         static const float blackcolor[4] = {0.0f, 0.0f, 0.0f, 1.0f};
2544         // prevent warnings when trying to clear a buffer that does not exist
2545         if (!colorvalue)
2546                 colorvalue = blackcolor;
2547         if (!vid.stencil)
2548         {
2549                 mask &= ~GL_STENCIL_BUFFER_BIT;
2550                 stencilvalue = 0;
2551         }
2552         switch(vid.renderpath)
2553         {
2554         case RENDERPATH_GL11:
2555         case RENDERPATH_GL13:
2556         case RENDERPATH_GL20:
2557         case RENDERPATH_GLES1:
2558         case RENDERPATH_GLES2:
2559                 CHECKGLERROR
2560                 if (mask & GL_COLOR_BUFFER_BIT)
2561                 {
2562                         qglClearColor(colorvalue[0], colorvalue[1], colorvalue[2], colorvalue[3]);CHECKGLERROR
2563                 }
2564                 if (mask & GL_DEPTH_BUFFER_BIT)
2565                 {
2566 #ifdef USE_GLES2
2567                         qglClearDepthf(depthvalue);CHECKGLERROR
2568 #else
2569                         qglClearDepth(depthvalue);CHECKGLERROR
2570 #endif
2571                 }
2572                 if (mask & GL_STENCIL_BUFFER_BIT)
2573                 {
2574                         qglClearStencil(stencilvalue);CHECKGLERROR
2575                 }
2576                 qglClear(mask);CHECKGLERROR
2577                 break;
2578         case RENDERPATH_D3D9:
2579 #ifdef SUPPORTD3D
2580                 IDirect3DDevice9_Clear(vid_d3d9dev, 0, NULL, ((mask & GL_COLOR_BUFFER_BIT) ? D3DCLEAR_TARGET : 0) | ((mask & GL_STENCIL_BUFFER_BIT) ? D3DCLEAR_STENCIL : 0) | ((mask & GL_DEPTH_BUFFER_BIT) ? D3DCLEAR_ZBUFFER : 0), D3DCOLOR_COLORVALUE(colorvalue[0], colorvalue[1], colorvalue[2], colorvalue[3]), depthvalue, stencilvalue);
2581 #endif
2582                 break;
2583         case RENDERPATH_D3D10:
2584                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2585                 break;
2586         case RENDERPATH_D3D11:
2587                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2588                 break;
2589         case RENDERPATH_SOFT:
2590                 if (mask & GL_COLOR_BUFFER_BIT)
2591                         DPSOFTRAST_ClearColor(colorvalue[0], colorvalue[1], colorvalue[2], colorvalue[3]);
2592                 if (mask & GL_DEPTH_BUFFER_BIT)
2593                         DPSOFTRAST_ClearDepth(depthvalue);
2594                 break;
2595         }
2596 }
2597
2598 void GL_ReadPixelsBGRA(int x, int y, int width, int height, unsigned char *outpixels)
2599 {
2600         switch(vid.renderpath)
2601         {
2602         case RENDERPATH_GL11:
2603         case RENDERPATH_GL13:
2604         case RENDERPATH_GL20:
2605         case RENDERPATH_GLES1:
2606         case RENDERPATH_GLES2:
2607                 CHECKGLERROR
2608 #ifndef GL_BGRA
2609                 {
2610                         int i;
2611                         int r;
2612                 //      int g;
2613                         int b;
2614                 //      int a;
2615                         qglReadPixels(x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, outpixels);CHECKGLERROR
2616                         for (i = 0;i < width * height * 4;i += 4)
2617                         {
2618                                 r = outpixels[i+0];
2619                 //              g = outpixels[i+1];
2620                                 b = outpixels[i+2];
2621                 //              a = outpixels[i+3];
2622                                 outpixels[i+0] = b;
2623                 //              outpixels[i+1] = g;
2624                                 outpixels[i+2] = r;
2625                 //              outpixels[i+3] = a;
2626                         }
2627                 }
2628 #else
2629                 qglReadPixels(x, y, width, height, GL_BGRA, GL_UNSIGNED_BYTE, outpixels);CHECKGLERROR
2630 #endif
2631                         break;
2632         case RENDERPATH_D3D9:
2633 #ifdef SUPPORTD3D
2634                 {
2635                         // LordHavoc: we can't directly download the backbuffer because it may be
2636                         // multisampled, and it may not be lockable, so we blit it to a lockable
2637                         // surface of the same dimensions (but without multisample) to resolve the
2638                         // multisample buffer to a normal image, and then lock that...
2639                         IDirect3DSurface9 *stretchsurface = NULL;
2640                         if (!FAILED(IDirect3DDevice9_CreateRenderTarget(vid_d3d9dev, vid.width, vid.height, D3DFMT_A8R8G8B8, D3DMULTISAMPLE_NONE, 0, TRUE, &stretchsurface, NULL)))
2641                         {
2642                                 D3DLOCKED_RECT lockedrect;
2643                                 if (!FAILED(IDirect3DDevice9_StretchRect(vid_d3d9dev, gl_state.d3drt_backbuffercolorsurface, NULL, stretchsurface, NULL, D3DTEXF_POINT)))
2644                                 {
2645                                         if (!FAILED(IDirect3DSurface9_LockRect(stretchsurface, &lockedrect, NULL, D3DLOCK_READONLY)))
2646                                         {
2647                                                 int line;
2648                                                 unsigned char *row = (unsigned char *)lockedrect.pBits + x * 4 + lockedrect.Pitch * (vid.height - 1 - y);
2649                                                 for (line = 0;line < height;line++, row -= lockedrect.Pitch)
2650                                                         memcpy(outpixels + line * width * 4, row, width * 4);
2651                                                 IDirect3DSurface9_UnlockRect(stretchsurface);
2652                                         }
2653                                 }
2654                                 IDirect3DSurface9_Release(stretchsurface);
2655                         }
2656                         // code scraps
2657                         //IDirect3DSurface9 *syssurface = NULL;
2658                         //if (!FAILED(IDirect3DDevice9_CreateRenderTarget(vid_d3d9dev, vid.width, vid.height, D3DFMT_A8R8G8B8, D3DMULTISAMPLE_NONE, 0, FALSE, &stretchsurface, NULL)))
2659                         //if (!FAILED(IDirect3DDevice9_CreateOffscreenPlainSurface(vid_d3d9dev, vid.width, vid.height, D3DFMT_A8R8G8B8, D3DPOOL_SCRATCH, &syssurface, NULL)))
2660                         //IDirect3DDevice9_GetRenderTargetData(vid_d3d9dev, gl_state.d3drt_backbuffercolorsurface, syssurface);
2661                         //if (!FAILED(IDirect3DDevice9_GetFrontBufferData(vid_d3d9dev, 0, syssurface)))
2662                         //if (!FAILED(IDirect3DSurface9_LockRect(syssurface, &lockedrect, NULL, D3DLOCK_READONLY)))
2663                         //IDirect3DSurface9_UnlockRect(syssurface);
2664                         //IDirect3DSurface9_Release(syssurface);
2665                 }
2666 #endif
2667                 break;
2668         case RENDERPATH_D3D10:
2669                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2670                 break;
2671         case RENDERPATH_D3D11:
2672                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
2673                 break;
2674         case RENDERPATH_SOFT:
2675                 DPSOFTRAST_GetPixelsBGRA(x, y, width, height, outpixels);
2676                 break;
2677         }
2678 }
2679
2680 // called at beginning of frame
2681 void R_Mesh_Start(void)
2682 {
2683         BACKENDACTIVECHECK
2684         R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
2685         R_Mesh_SetUseVBO();
2686         if (gl_printcheckerror.integer && !gl_paranoid.integer)
2687         {
2688                 Con_Printf("WARNING: gl_printcheckerror is on but gl_paranoid is off, turning it on...\n");
2689                 Cvar_SetValueQuick(&gl_paranoid, 1);
2690         }
2691 }
2692
2693 static qboolean GL_Backend_CompileShader(int programobject, GLenum shadertypeenum, const char *shadertype, int numstrings, const char **strings)
2694 {
2695         int shaderobject;
2696         int shadercompiled;
2697         char compilelog[MAX_INPUTLINE];
2698         shaderobject = qglCreateShader(shadertypeenum);CHECKGLERROR
2699         if (!shaderobject)
2700                 return false;
2701         qglShaderSource(shaderobject, numstrings, strings, NULL);CHECKGLERROR
2702         qglCompileShader(shaderobject);CHECKGLERROR
2703         qglGetShaderiv(shaderobject, GL_COMPILE_STATUS, &shadercompiled);CHECKGLERROR
2704         qglGetShaderInfoLog(shaderobject, sizeof(compilelog), NULL, compilelog);CHECKGLERROR
2705         if (compilelog[0] && ((strstr(compilelog, "error") || strstr(compilelog, "ERROR") || strstr(compilelog, "Error")) || ((strstr(compilelog, "WARNING") || strstr(compilelog, "warning") || strstr(compilelog, "Warning")) && developer.integer) || developer_extra.integer))
2706         {
2707                 int i, j, pretextlines = 0;
2708                 for (i = 0;i < numstrings - 1;i++)
2709                         for (j = 0;strings[i][j];j++)
2710                                 if (strings[i][j] == '\n')
2711                                         pretextlines++;
2712                 Con_Printf("%s shader compile log:\n%s\n(line offset for any above warnings/errors: %i)\n", shadertype, compilelog, pretextlines);
2713         }
2714         if (!shadercompiled)
2715         {
2716                 qglDeleteShader(shaderobject);CHECKGLERROR
2717                 return false;
2718         }
2719         qglAttachShader(programobject, shaderobject);CHECKGLERROR
2720         qglDeleteShader(shaderobject);CHECKGLERROR
2721         return true;
2722 }
2723
2724 unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **vertexstrings_list, int geometrystrings_count, const char **geometrystrings_list, int fragmentstrings_count, const char **fragmentstrings_list)
2725 {
2726         GLint programlinked;
2727         GLuint programobject = 0;
2728         char linklog[MAX_INPUTLINE];
2729         CHECKGLERROR
2730
2731         programobject = qglCreateProgram();CHECKGLERROR
2732         if (!programobject)
2733                 return 0;
2734
2735         qglBindAttribLocation(programobject, GLSLATTRIB_POSITION , "Attrib_Position" );
2736         qglBindAttribLocation(programobject, GLSLATTRIB_COLOR    , "Attrib_Color"    );
2737         qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD0, "Attrib_TexCoord0");
2738         qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD1, "Attrib_TexCoord1");
2739         qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD2, "Attrib_TexCoord2");
2740         qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD3, "Attrib_TexCoord3");
2741         qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD4, "Attrib_TexCoord4");
2742         qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD5, "Attrib_TexCoord5");
2743         qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD6, "Attrib_SkeletalIndex");
2744         qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD7, "Attrib_SkeletalWeight");
2745 #ifndef USE_GLES2
2746         if(vid.support.gl20shaders130)
2747                 qglBindFragDataLocation(programobject, 0, "dp_FragColor");
2748 #endif
2749
2750         if (vertexstrings_count && !GL_Backend_CompileShader(programobject, GL_VERTEX_SHADER, "vertex", vertexstrings_count, vertexstrings_list))
2751                 goto cleanup;
2752
2753 #if defined(GL_GEOMETRY_SHADER) && !defined(USE_GLES2)
2754         if (geometrystrings_count && !GL_Backend_CompileShader(programobject, GL_GEOMETRY_SHADER, "geometry", geometrystrings_count, geometrystrings_list))
2755                 goto cleanup;
2756 #endif
2757
2758         if (fragmentstrings_count && !GL_Backend_CompileShader(programobject, GL_FRAGMENT_SHADER, "fragment", fragmentstrings_count, fragmentstrings_list))
2759                 goto cleanup;
2760
2761         qglLinkProgram(programobject);CHECKGLERROR
2762         qglGetProgramiv(programobject, GL_LINK_STATUS, &programlinked);CHECKGLERROR
2763         qglGetProgramInfoLog(programobject, sizeof(linklog), NULL, linklog);CHECKGLERROR
2764
2765         if (linklog[0])
2766         {
2767
2768                 if (strstr(linklog, "error") || strstr(linklog, "ERROR") || strstr(linklog, "Error") || strstr(linklog, "WARNING") || strstr(linklog, "warning") || strstr(linklog, "Warning") || developer_extra.integer)
2769                         Con_DPrintf("program link log:\n%s\n", linklog);
2770
2771                 // software vertex shader is ok but software fragment shader is WAY
2772                 // too slow, fail program if so.
2773                 // NOTE: this string might be ATI specific, but that's ok because the
2774                 // ATI R300 chip (Radeon 9500-9800/X300) is the most likely to use a
2775                 // software fragment shader due to low instruction and dependent
2776                 // texture limits.
2777                 if (strstr(linklog, "fragment shader will run in software"))
2778                         programlinked = false;
2779         }
2780
2781         if (!programlinked)
2782                 goto cleanup;
2783
2784         return programobject;
2785 cleanup:
2786         qglDeleteProgram(programobject);CHECKGLERROR
2787         return 0;
2788 }
2789
2790 void GL_Backend_FreeProgram(unsigned int prog)
2791 {
2792         CHECKGLERROR
2793         qglDeleteProgram(prog);
2794         CHECKGLERROR
2795 }
2796
2797 // renders triangles using vertices from the active arrays
2798 int paranoidblah = 0;
2799 void R_Mesh_Draw(int firstvertex, int numvertices, int firsttriangle, int numtriangles, const int *element3i, const r_meshbuffer_t *element3i_indexbuffer, int element3i_bufferoffset, const unsigned short *element3s, const r_meshbuffer_t *element3s_indexbuffer, int element3s_bufferoffset)
2800 {
2801         unsigned int numelements = numtriangles * 3;
2802         int bufferobject3i;
2803         size_t bufferoffset3i;
2804         int bufferobject3s;
2805         size_t bufferoffset3s;
2806         if (numvertices < 3 || numtriangles < 1)
2807         {
2808                 if (numvertices < 0 || numtriangles < 0 || developer_extra.integer)
2809                         Con_DPrintf("R_Mesh_Draw(%d, %d, %d, %d, %8p, %8p, %8x, %8p, %8p, %8x);\n", firstvertex, numvertices, firsttriangle, numtriangles, (void *)element3i, (void *)element3i_indexbuffer, (int)element3i_bufferoffset, (void *)element3s, (void *)element3s_indexbuffer, (int)element3s_bufferoffset);
2810                 return;
2811         }
2812         // adjust the pointers for firsttriangle
2813         if (element3i)
2814                 element3i += firsttriangle * 3;
2815         if (element3i_indexbuffer)
2816                 element3i_bufferoffset += firsttriangle * 3 * sizeof(*element3i);
2817         if (element3s)
2818                 element3s += firsttriangle * 3;
2819         if (element3s_indexbuffer)
2820                 element3s_bufferoffset += firsttriangle * 3 * sizeof(*element3s);
2821         switch(vid.renderpath)
2822         {
2823         case RENDERPATH_GL11:
2824         case RENDERPATH_GL13:
2825         case RENDERPATH_GL20:
2826         case RENDERPATH_GLES1:
2827         case RENDERPATH_GLES2:
2828                 // check if the user specified to ignore static index buffers
2829                 if (!gl_state.usevbo_staticindex || (gl_vbo.integer == 3 && !vid.forcevbo && (element3i_bufferoffset || element3s_bufferoffset)))
2830                 {
2831                         element3i_indexbuffer = NULL;
2832                         element3s_indexbuffer = NULL;
2833                 }
2834                 break;
2835         case RENDERPATH_D3D9:
2836         case RENDERPATH_D3D10:
2837         case RENDERPATH_D3D11:
2838                 break;
2839         case RENDERPATH_SOFT:
2840                 break;
2841         }
2842         // upload a dynamic index buffer if needed
2843         if (element3s)
2844         {
2845                 if (!element3s_indexbuffer && gl_state.usevbo_dynamicindex)
2846                         element3s_indexbuffer = R_BufferData_Store(numelements * sizeof(*element3s), (void *)element3s, R_BUFFERDATA_INDEX16, &element3s_bufferoffset);
2847         }
2848         else if (element3i)
2849         {
2850                 if (!element3i_indexbuffer && gl_state.usevbo_dynamicindex)
2851                         element3i_indexbuffer = R_BufferData_Store(numelements * sizeof(*element3i), (void *)element3i, R_BUFFERDATA_INDEX32, &element3i_bufferoffset);
2852         }
2853         bufferobject3i = element3i_indexbuffer ? element3i_indexbuffer->bufferobject : 0;
2854         bufferoffset3i = element3i_bufferoffset;
2855         bufferobject3s = element3s_indexbuffer ? element3s_indexbuffer->bufferobject : 0;
2856         bufferoffset3s = element3s_bufferoffset;
2857         r_refdef.stats[r_stat_draws]++;
2858         r_refdef.stats[r_stat_draws_vertices] += numvertices;
2859         r_refdef.stats[r_stat_draws_elements] += numelements;
2860         if (gl_paranoid.integer)
2861         {
2862                 unsigned int i;
2863                 // LordHavoc: disabled this - it needs to be updated to handle components and gltype and stride in each array
2864 #if 0
2865                 unsigned int j, size;
2866                 const int *p;
2867                 // note: there's no validation done here on buffer objects because it
2868                 // is somewhat difficult to get at the data, and gl_paranoid can be
2869                 // used without buffer objects if the need arises
2870                 // (the data could be gotten using glMapBuffer but it would be very
2871                 //  slow due to uncachable video memory reads)
2872                 if (!qglIsEnabled(GL_VERTEX_ARRAY))
2873                         Con_Print("R_Mesh_Draw: vertex array not enabled\n");
2874                 CHECKGLERROR
2875                 if (gl_state.pointer_vertex_pointer)
2876                         for (j = 0, size = numvertices * 3, p = (int *)((float *)gl_state.pointer_vertex + firstvertex * 3);j < size;j++, p++)
2877                                 paranoidblah += *p;
2878                 if (gl_state.pointer_color_enabled)
2879                 {
2880                         if (!qglIsEnabled(GL_COLOR_ARRAY))
2881                                 Con_Print("R_Mesh_Draw: color array set but not enabled\n");
2882                         CHECKGLERROR
2883                         if (gl_state.pointer_color && gl_state.pointer_color_enabled)
2884                                 for (j = 0, size = numvertices * 4, p = (int *)((float *)gl_state.pointer_color + firstvertex * 4);j < size;j++, p++)
2885                                         paranoidblah += *p;
2886                 }
2887                 for (i = 0;i < vid.texarrayunits;i++)
2888                 {
2889                         if (gl_state.units[i].arrayenabled)
2890                         {
2891                                 GL_ClientActiveTexture(i);
2892                                 if (!qglIsEnabled(GL_TEXTURE_COORD_ARRAY))
2893                                         Con_Print("R_Mesh_Draw: texcoord array set but not enabled\n");
2894                                 CHECKGLERROR
2895                                 if (gl_state.units[i].pointer_texcoord && gl_state.units[i].arrayenabled)
2896                                         for (j = 0, size = numvertices * gl_state.units[i].arraycomponents, p = (int *)((float *)gl_state.units[i].pointer_texcoord + firstvertex * gl_state.units[i].arraycomponents);j < size;j++, p++)
2897                                                 paranoidblah += *p;
2898                         }
2899                 }
2900 #endif
2901                 if (element3i)
2902                 {
2903                         for (i = 0;i < (unsigned int) numtriangles * 3;i++)
2904                         {
2905                                 if (element3i[i] < firstvertex || element3i[i] >= firstvertex + numvertices)
2906                                 {
2907                                         Con_Printf("R_Mesh_Draw: invalid vertex index %i (outside range %i - %i) in element3i array\n", element3i[i], firstvertex, firstvertex + numvertices);
2908                                         return;
2909                                 }
2910                         }
2911                 }
2912                 if (element3s)
2913                 {
2914                         for (i = 0;i < (unsigned int) numtriangles * 3;i++)
2915                         {
2916                                 if (element3s[i] < firstvertex || element3s[i] >= firstvertex + numvertices)
2917                                 {
2918                                         Con_Printf("R_Mesh_Draw: invalid vertex index %i (outside range %i - %i) in element3s array\n", element3s[i], firstvertex, firstvertex + numvertices);
2919                                         return;
2920                                 }
2921                         }
2922                 }
2923         }
2924         if (r_render.integer || r_refdef.draw2dstage)
2925         {
2926                 switch(vid.renderpath)
2927                 {
2928                 case RENDERPATH_GL11:
2929                 case RENDERPATH_GL13:
2930                 case RENDERPATH_GL20:
2931                         CHECKGLERROR
2932                         if (gl_mesh_testmanualfeeding.integer)
2933                         {
2934 #ifndef USE_GLES2
2935                                 unsigned int i, j, element;
2936                                 const GLfloat *p;
2937                                 qglBegin(GL_TRIANGLES);
2938                                 if(vid.renderpath == RENDERPATH_GL20)
2939                                 {
2940                                         for (i = 0;i < (unsigned int) numtriangles * 3;i++)
2941                                         {
2942                                                 if (element3i)
2943                                                         element = element3i[i];
2944                                                 else if (element3s)
2945                                                         element = element3s[i];
2946                                                 else
2947                                                         element = firstvertex + i;
2948                                                 for (j = 0;j < vid.texarrayunits;j++)
2949                                                 {
2950                                                         if (gl_state.units[j].pointer_texcoord_pointer && gl_state.units[j].arrayenabled)
2951                                                         {
2952                                                                 if (gl_state.units[j].pointer_texcoord_gltype == GL_FLOAT)
2953                                                                 {
2954                                                                         p = (const GLfloat *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
2955                                                                         if (gl_state.units[j].pointer_texcoord_components == 4)
2956                                                                                 qglVertexAttrib4f(GLSLATTRIB_TEXCOORD0 + j, p[0], p[1], p[2], p[3]);
2957                                                                         else if (gl_state.units[j].pointer_texcoord_components == 3)
2958                                                                                 qglVertexAttrib3f(GLSLATTRIB_TEXCOORD0 + j, p[0], p[1], p[2]);
2959                                                                         else if (gl_state.units[j].pointer_texcoord_components == 2)
2960                                                                                 qglVertexAttrib2f(GLSLATTRIB_TEXCOORD0 + j, p[0], p[1]);
2961                                                                         else
2962                                                                                 qglVertexAttrib1f(GLSLATTRIB_TEXCOORD0 + j, p[0]);
2963                                                                 }
2964                                                                 else if (gl_state.units[j].pointer_texcoord_gltype == (int)(GL_SHORT | 0x80000000))
2965                                                                 {
2966                                                                         const GLshort *s = (const GLshort *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
2967                                                                         if (gl_state.units[j].pointer_texcoord_components == 4)
2968                                                                                 qglVertexAttrib4f(GLSLATTRIB_TEXCOORD0 + j, s[0], s[1], s[2], s[3]);
2969                                                                         else if (gl_state.units[j].pointer_texcoord_components == 3)
2970                                                                                 qglVertexAttrib3f(GLSLATTRIB_TEXCOORD0 + j, s[0], s[1], s[2]);
2971                                                                         else if (gl_state.units[j].pointer_texcoord_components == 2)
2972                                                                                 qglVertexAttrib2f(GLSLATTRIB_TEXCOORD0 + j, s[0], s[1]);
2973                                                                         else if (gl_state.units[j].pointer_texcoord_components == 1)
2974                                                                                 qglVertexAttrib1f(GLSLATTRIB_TEXCOORD0 + j, s[0]);
2975                                                                 }
2976                                                                 else if (gl_state.units[j].pointer_texcoord_gltype == GL_BYTE)
2977                                                                 {
2978                                                                         const GLbyte *sb = (const GLbyte *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
2979                                                                         if (gl_state.units[j].pointer_texcoord_components == 4)
2980                                                                                 qglVertexAttrib4f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 127.0f), sb[1] * (1.0f / 127.0f), sb[2] * (1.0f / 127.0f), sb[3] * (1.0f / 127.0f));
2981                                                                         else if (gl_state.units[j].pointer_texcoord_components == 3)
2982                                                                                 qglVertexAttrib3f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 127.0f), sb[1] * (1.0f / 127.0f), sb[2] * (1.0f / 127.0f));
2983                                                                         else if (gl_state.units[j].pointer_texcoord_components == 2)
2984                                                                                 qglVertexAttrib2f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 127.0f), sb[1] * (1.0f / 127.0f));
2985                                                                         else if (gl_state.units[j].pointer_texcoord_components == 1)
2986                                                                                 qglVertexAttrib1f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 127.0f));
2987                                                                 }
2988                                                                 else if (gl_state.units[j].pointer_texcoord_gltype == GL_UNSIGNED_BYTE)
2989                                                                 {
2990                                                                         const GLubyte *sb = (const GLubyte *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
2991                                                                         if (gl_state.units[j].pointer_texcoord_components == 4)
2992                                                                                 qglVertexAttrib4f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 255.0f), sb[1] * (1.0f / 255.0f), sb[2] * (1.0f / 255.0f), sb[3] * (1.0f / 255.0f));
2993                                                                         else if (gl_state.units[j].pointer_texcoord_components == 3)
2994                                                                                 qglVertexAttrib3f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 255.0f), sb[1] * (1.0f / 255.0f), sb[2] * (1.0f / 255.0f));
2995                                                                         else if (gl_state.units[j].pointer_texcoord_components == 2)
2996                                                                                 qglVertexAttrib2f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 255.0f), sb[1] * (1.0f / 255.0f));
2997                                                                         else if (gl_state.units[j].pointer_texcoord_components == 1)
2998                                                                                 qglVertexAttrib1f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 255.0f));
2999                                                                 }
3000                                                                 else if (gl_state.units[j].pointer_texcoord_gltype == (int)(GL_UNSIGNED_BYTE | 0x80000000))
3001                                                                 {
3002                                                                         const GLubyte *sb = (const GLubyte *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
3003                                                                         if (gl_state.units[j].pointer_texcoord_components == 4)
3004                                                                                 qglVertexAttrib4f(GLSLATTRIB_TEXCOORD0 + j, sb[0], sb[1], sb[2], sb[3]);
3005                                                                         else if (gl_state.units[j].pointer_texcoord_components == 3)
3006                                                                                 qglVertexAttrib3f(GLSLATTRIB_TEXCOORD0 + j, sb[0], sb[1], sb[2]);
3007                                                                         else if (gl_state.units[j].pointer_texcoord_components == 2)
3008                                                                                 qglVertexAttrib2f(GLSLATTRIB_TEXCOORD0 + j, sb[0], sb[1]);
3009                                                                         else if (gl_state.units[j].pointer_texcoord_components == 1)
3010                                                                                 qglVertexAttrib1f(GLSLATTRIB_TEXCOORD0 + j, sb[0]);
3011                                                                 }
3012                                                         }
3013                                                 }
3014                                                 if (gl_state.pointer_color_pointer && gl_state.pointer_color_enabled && gl_state.pointer_color_components == 4)
3015                                                 {
3016                                                         if (gl_state.pointer_color_gltype == GL_FLOAT)
3017                                                         {
3018                                                                 p = (const GLfloat *)((const unsigned char *)gl_state.pointer_color_pointer + element * gl_state.pointer_color_stride);
3019                                                                 qglVertexAttrib4f(GLSLATTRIB_COLOR, p[0], p[1], p[2], p[3]);
3020                                                         }
3021                                                         else if (gl_state.pointer_color_gltype == GL_UNSIGNED_BYTE)
3022                                                         {
3023                                                                 const GLubyte *ub = (const GLubyte *)((const unsigned char *)gl_state.pointer_color_pointer + element * gl_state.pointer_color_stride);
3024                                                                 qglVertexAttrib4Nub(GLSLATTRIB_COLOR, ub[0], ub[1], ub[2], ub[3]);
3025                                                         }
3026                                                 }
3027                                                 if (gl_state.pointer_vertex_gltype == GL_FLOAT)
3028                                                 {
3029                                                         p = (const GLfloat *)((const unsigned char *)gl_state.pointer_vertex_pointer + element * gl_state.pointer_vertex_stride);
3030                                                         if (gl_state.pointer_vertex_components == 4)
3031                                                                 qglVertexAttrib4f(GLSLATTRIB_POSITION, p[0], p[1], p[2], p[3]);
3032                                                         else if (gl_state.pointer_vertex_components == 3)
3033                                                                 qglVertexAttrib3f(GLSLATTRIB_POSITION, p[0], p[1], p[2]);
3034                                                         else
3035                                                                 qglVertexAttrib2f(GLSLATTRIB_POSITION, p[0], p[1]);
3036                                                 }
3037                                         }
3038                                 }
3039                                 else
3040                                 {
3041                                         for (i = 0;i < (unsigned int) numtriangles * 3;i++)
3042                                         {
3043                                                 if (element3i)
3044                                                         element = element3i[i];
3045                                                 else if (element3s)
3046                                                         element = element3s[i];
3047                                                 else
3048                                                         element = firstvertex + i;
3049                                                 for (j = 0;j < vid.texarrayunits;j++)
3050                                                 {
3051                                                         if (gl_state.units[j].pointer_texcoord_pointer && gl_state.units[j].arrayenabled)
3052                                                         {
3053                                                                 if (gl_state.units[j].pointer_texcoord_gltype == GL_FLOAT)
3054                                                                 {
3055                                                                         p = (const GLfloat *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
3056                                                                         if (vid.texarrayunits > 1)
3057                                                                         {
3058                                                                                 if (gl_state.units[j].pointer_texcoord_components == 4)
3059                                                                                         qglMultiTexCoord4f(GL_TEXTURE0 + j, p[0], p[1], p[2], p[3]);
3060                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 3)
3061                                                                                         qglMultiTexCoord3f(GL_TEXTURE0 + j, p[0], p[1], p[2]);
3062                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 2)
3063                                                                                         qglMultiTexCoord2f(GL_TEXTURE0 + j, p[0], p[1]);
3064                                                                                 else
3065                                                                                         qglMultiTexCoord1f(GL_TEXTURE0 + j, p[0]);
3066                                                                         }
3067                                                                         else
3068                                                                         {
3069                                                                                 if (gl_state.units[j].pointer_texcoord_components == 4)
3070                                                                                         qglTexCoord4f(p[0], p[1], p[2], p[3]);
3071                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 3)
3072                                                                                         qglTexCoord3f(p[0], p[1], p[2]);
3073                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 2)
3074                                                                                         qglTexCoord2f(p[0], p[1]);
3075                                                                                 else
3076                                                                                         qglTexCoord1f(p[0]);
3077                                                                         }
3078                                                                 }
3079                                                                 else if (gl_state.units[j].pointer_texcoord_gltype == GL_SHORT)
3080                                                                 {
3081                                                                         const GLshort *s = (const GLshort *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
3082                                                                         if (vid.texarrayunits > 1)
3083                                                                         {
3084                                                                                 if (gl_state.units[j].pointer_texcoord_components == 4)
3085                                                                                         qglMultiTexCoord4f(GL_TEXTURE0 + j, s[0], s[1], s[2], s[3]);
3086                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 3)
3087                                                                                         qglMultiTexCoord3f(GL_TEXTURE0 + j, s[0], s[1], s[2]);
3088                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 2)
3089                                                                                         qglMultiTexCoord2f(GL_TEXTURE0 + j, s[0], s[1]);
3090                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 1)
3091                                                                                         qglMultiTexCoord1f(GL_TEXTURE0 + j, s[0]);
3092                                                                         }
3093                                                                         else
3094                                                                         {
3095                                                                                 if (gl_state.units[j].pointer_texcoord_components == 4)
3096                                                                                         qglTexCoord4f(s[0], s[1], s[2], s[3]);
3097                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 3)
3098                                                                                         qglTexCoord3f(s[0], s[1], s[2]);
3099                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 2)
3100                                                                                         qglTexCoord2f(s[0], s[1]);
3101                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 1)
3102                                                                                         qglTexCoord1f(s[0]);
3103                                                                         }
3104                                                                 }
3105                                                                 else if (gl_state.units[j].pointer_texcoord_gltype == GL_BYTE)
3106                                                                 {
3107                                                                         const GLbyte *sb = (const GLbyte *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
3108                                                                         if (vid.texarrayunits > 1)
3109                                                                         {
3110                                                                                 if (gl_state.units[j].pointer_texcoord_components == 4)
3111                                                                                         qglMultiTexCoord4f(GL_TEXTURE0 + j, sb[0], sb[1], sb[2], sb[3]);
3112                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 3)
3113                                                                                         qglMultiTexCoord3f(GL_TEXTURE0 + j, sb[0], sb[1], sb[2]);
3114                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 2)
3115                                                                                         qglMultiTexCoord2f(GL_TEXTURE0 + j, sb[0], sb[1]);
3116                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 1)
3117                                                                                         qglMultiTexCoord1f(GL_TEXTURE0 + j, sb[0]);
3118                                                                         }
3119                                                                         else
3120                                                                         {
3121                                                                                 if (gl_state.units[j].pointer_texcoord_components == 4)
3122                                                                                         qglTexCoord4f(sb[0], sb[1], sb[2], sb[3]);
3123                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 3)
3124                                                                                         qglTexCoord3f(sb[0], sb[1], sb[2]);
3125                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 2)
3126                                                                                         qglTexCoord2f(sb[0], sb[1]);
3127                                                                                 else if (gl_state.units[j].pointer_texcoord_components == 1)
3128                                                                                         qglTexCoord1f(sb[0]);
3129                                                                         }
3130                                                                 }
3131                                                         }
3132                                                 }
3133                                                 if (gl_state.pointer_color_pointer && gl_state.pointer_color_enabled && gl_state.pointer_color_components == 4)
3134                                                 {
3135                                                         if (gl_state.pointer_color_gltype == GL_FLOAT)
3136                                                         {
3137                                                                 p = (const GLfloat *)((const unsigned char *)gl_state.pointer_color_pointer + element * gl_state.pointer_color_stride);
3138                                                                 qglColor4f(p[0], p[1], p[2], p[3]);
3139                                                         }
3140                                                         else if (gl_state.pointer_color_gltype == GL_UNSIGNED_BYTE)
3141                                                         {
3142                                                                 const GLubyte *ub = (const GLubyte *)((const unsigned char *)gl_state.pointer_color_pointer + element * gl_state.pointer_color_stride);
3143                                                                 qglColor4ub(ub[0], ub[1], ub[2], ub[3]);
3144                                                         }
3145                                                 }
3146                                                 if (gl_state.pointer_vertex_gltype == GL_FLOAT)
3147                                                 {
3148                                                         p = (const GLfloat *)((const unsigned char *)gl_state.pointer_vertex_pointer + element * gl_state.pointer_vertex_stride);
3149                                                         if (gl_state.pointer_vertex_components == 4)
3150                                                                 qglVertex4f(p[0], p[1], p[2], p[3]);
3151                                                         else if (gl_state.pointer_vertex_components == 3)
3152                                                                 qglVertex3f(p[0], p[1], p[2]);
3153                                                         else
3154                                                                 qglVertex2f(p[0], p[1]);
3155                                                 }
3156                                         }
3157                                 }
3158                                 qglEnd();
3159                                 CHECKGLERROR
3160 #endif
3161                         }
3162                         else if (bufferobject3s)
3163                         {
3164                                 GL_BindEBO(bufferobject3s);
3165 #ifndef USE_GLES2
3166                                 if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
3167                                 {
3168                                         qglDrawRangeElements(GL_TRIANGLES, firstvertex, firstvertex + numvertices - 1, numelements, GL_UNSIGNED_SHORT, (void *)bufferoffset3s);
3169                                         CHECKGLERROR
3170                                 }
3171                                 else
3172 #endif
3173                                 {
3174                                         qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_SHORT, (void *)bufferoffset3s);
3175                                         CHECKGLERROR
3176                                 }
3177                         }
3178                         else if (bufferobject3i)
3179                         {
3180                                 GL_BindEBO(bufferobject3i);
3181 #ifndef USE_GLES2
3182                                 if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
3183                                 {
3184                                         qglDrawRangeElements(GL_TRIANGLES, firstvertex, firstvertex + numvertices - 1, numelements, GL_UNSIGNED_INT, (void *)bufferoffset3i);
3185                                         CHECKGLERROR
3186                                 }
3187                                 else
3188 #endif
3189                                 {
3190                                         qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (void *)bufferoffset3i);
3191                                         CHECKGLERROR
3192                                 }
3193                         }
3194                         else if (element3s)
3195                         {
3196                                 GL_BindEBO(0);
3197 #ifndef USE_GLES2
3198                                 if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
3199                                 {
3200                                         qglDrawRangeElements(GL_TRIANGLES, firstvertex, firstvertex + numvertices - 1, numelements, GL_UNSIGNED_SHORT, element3s);
3201                                         CHECKGLERROR
3202                                 }
3203                                 else
3204 #endif
3205                                 {
3206                                         qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_SHORT, element3s);
3207                                         CHECKGLERROR
3208                                 }
3209                         }
3210                         else if (element3i)
3211                         {
3212                                 GL_BindEBO(0);
3213 #ifndef USE_GLES2
3214                                 if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
3215                                 {
3216                                         qglDrawRangeElements(GL_TRIANGLES, firstvertex, firstvertex + numvertices - 1, numelements, GL_UNSIGNED_INT, element3i);
3217                                         CHECKGLERROR
3218                                 }
3219                                 else
3220 #endif
3221                                 {
3222                                         qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, element3i);
3223                                         CHECKGLERROR
3224                                 }
3225                         }
3226                         else
3227                         {
3228                                 qglDrawArrays(GL_TRIANGLES, firstvertex, numvertices);
3229                                 CHECKGLERROR
3230                         }
3231                         break;
3232                 case RENDERPATH_D3D9:
3233 #ifdef SUPPORTD3D
3234                         if (gl_state.d3dvertexbuffer && ((element3s && element3s_indexbuffer) || (element3i && element3i_indexbuffer)))
3235                         {
3236                                 if (element3s_indexbuffer)
3237                                 {
3238                                         IDirect3DDevice9_SetIndices(vid_d3d9dev, (IDirect3DIndexBuffer9 *)element3s_indexbuffer->devicebuffer);
3239                                         IDirect3DDevice9_DrawIndexedPrimitive(vid_d3d9dev, D3DPT_TRIANGLELIST, 0, firstvertex, numvertices, element3s_bufferoffset>>1, numtriangles);
3240                                 }
3241                                 else if (element3i_indexbuffer)
3242                                 {
3243                                         IDirect3DDevice9_SetIndices(vid_d3d9dev, (IDirect3DIndexBuffer9 *)element3i_indexbuffer->devicebuffer);
3244                                         IDirect3DDevice9_DrawIndexedPrimitive(vid_d3d9dev, D3DPT_TRIANGLELIST, 0, firstvertex, numvertices, element3i_bufferoffset>>2, numtriangles);
3245                                 }
3246                                 else
3247                                         IDirect3DDevice9_DrawPrimitive(vid_d3d9dev, D3DPT_TRIANGLELIST, firstvertex, numvertices);
3248                         }
3249                         else
3250                         {
3251                                 if (element3s)
3252                                         IDirect3DDevice9_DrawIndexedPrimitiveUP(vid_d3d9dev, D3DPT_TRIANGLELIST, firstvertex, numvertices, numtriangles, element3s, D3DFMT_INDEX16, gl_state.d3dvertexdata, gl_state.d3dvertexsize);
3253                                 else if (element3i)
3254                                         IDirect3DDevice9_DrawIndexedPrimitiveUP(vid_d3d9dev, D3DPT_TRIANGLELIST, firstvertex, numvertices, numtriangles, element3i, D3DFMT_INDEX32, gl_state.d3dvertexdata, gl_state.d3dvertexsize);
3255                                 else
3256                                         IDirect3DDevice9_DrawPrimitiveUP(vid_d3d9dev, D3DPT_TRIANGLELIST, numvertices, (void *)gl_state.d3dvertexdata, gl_state.d3dvertexsize);
3257                         }
3258 #endif
3259                         break;
3260                 case RENDERPATH_D3D10:
3261                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3262                         break;
3263                 case RENDERPATH_D3D11:
3264                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3265                         break;
3266                 case RENDERPATH_SOFT:
3267                         DPSOFTRAST_DrawTriangles(firstvertex, numvertices, numtriangles, element3i, element3s);
3268                         break;
3269                 case RENDERPATH_GLES1:
3270                 case RENDERPATH_GLES2:
3271                         // GLES does not have glDrawRangeElements so this is a bit shorter than the GL20 path
3272                         if (bufferobject3s)
3273                         {
3274                                 GL_BindEBO(bufferobject3s);
3275                                 qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_SHORT, (void *)bufferoffset3s);
3276                                 CHECKGLERROR
3277                         }
3278                         else if (bufferobject3i)
3279                         {
3280                                 GL_BindEBO(bufferobject3i);
3281                                 qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (void *)bufferoffset3i);
3282                                 CHECKGLERROR
3283                         }
3284                         else if (element3s)
3285                         {
3286                                 GL_BindEBO(0);
3287                                 qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_SHORT, element3s);
3288                                 CHECKGLERROR
3289                         }
3290                         else if (element3i)
3291                         {
3292                                 GL_BindEBO(0);
3293                                 qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, element3i);
3294                                 CHECKGLERROR
3295                         }
3296                         else
3297                         {
3298                                 qglDrawArrays(GL_TRIANGLES, firstvertex, numvertices);
3299                                 CHECKGLERROR
3300                         }
3301                         break;
3302                 }
3303         }
3304 }
3305
3306 // restores backend state, used when done with 3D rendering
3307 void R_Mesh_Finish(void)
3308 {
3309         R_Mesh_SetRenderTargets(0, NULL, NULL, NULL, NULL, NULL);
3310 }
3311
3312 r_meshbuffer_t *R_Mesh_CreateMeshBuffer(const void *data, size_t size, const char *name, qboolean isindexbuffer, qboolean isuniformbuffer, qboolean isdynamic, qboolean isindex16)
3313 {
3314         r_meshbuffer_t *buffer;
3315         if (isuniformbuffer)
3316         {
3317                 if (!vid.support.arb_uniform_buffer_object)
3318                         return NULL;
3319         }
3320         else
3321         {
3322                 if (!vid.support.arb_vertex_buffer_object)
3323                         return NULL;
3324                 if (!isdynamic && !(isindexbuffer ? gl_state.usevbo_staticindex : gl_state.usevbo_staticvertex))
3325                         return NULL;
3326         }
3327         buffer = (r_meshbuffer_t *)Mem_ExpandableArray_AllocRecord(&gl_state.meshbufferarray);
3328         memset(buffer, 0, sizeof(*buffer));
3329         buffer->bufferobject = 0;
3330         buffer->devicebuffer = NULL;
3331         buffer->size = size;
3332         buffer->isindexbuffer = isindexbuffer;
3333         buffer->isuniformbuffer = isuniformbuffer;
3334         buffer->isdynamic = isdynamic;
3335         buffer->isindex16 = isindex16;
3336         strlcpy(buffer->name, name, sizeof(buffer->name));
3337         R_Mesh_UpdateMeshBuffer(buffer, data, size, false, 0);
3338         return buffer;
3339 }
3340
3341 void R_Mesh_UpdateMeshBuffer(r_meshbuffer_t *buffer, const void *data, size_t size, qboolean subdata, size_t offset)
3342 {
3343         if (!buffer)
3344                 return;
3345         if (buffer->isindexbuffer)
3346         {
3347                 r_refdef.stats[r_stat_indexbufferuploadcount]++;
3348                 r_refdef.stats[r_stat_indexbufferuploadsize] += (int)size;
3349         }
3350         else
3351         {
3352                 r_refdef.stats[r_stat_vertexbufferuploadcount]++;
3353                 r_refdef.stats[r_stat_vertexbufferuploadsize] += (int)size;
3354         }
3355         if (!subdata)
3356                 buffer->size = size;
3357         switch(vid.renderpath)
3358         {
3359         case RENDERPATH_GL11:
3360         case RENDERPATH_GL13:
3361         case RENDERPATH_GL20:
3362         case RENDERPATH_GLES1:
3363         case RENDERPATH_GLES2:
3364                 if (!buffer->bufferobject)
3365                         qglGenBuffersARB(1, (GLuint *)&buffer->bufferobject);
3366                 if (buffer->isuniformbuffer)
3367                         GL_BindUBO(buffer->bufferobject);
3368                 else if (buffer->isindexbuffer)
3369                         GL_BindEBO(buffer->bufferobject);
3370                 else
3371                         GL_BindVBO(buffer->bufferobject);
3372
3373                 {
3374                         int buffertype;
3375                         buffertype = buffer->isindexbuffer ? GL_ELEMENT_ARRAY_BUFFER : GL_ARRAY_BUFFER;
3376 #ifdef GL_UNIFORM_BUFFER
3377                         if (buffer->isuniformbuffer)
3378                                 buffertype = GL_UNIFORM_BUFFER;
3379 #endif
3380                         if (subdata)
3381                                 qglBufferSubDataARB(buffertype, offset, size, data);
3382                         else
3383                                 qglBufferDataARB(buffertype, size, data, buffer->isdynamic ? GL_STREAM_DRAW : GL_STATIC_DRAW);
3384                 }
3385                 if (buffer->isuniformbuffer)
3386                         GL_BindUBO(0);
3387                 break;
3388         case RENDERPATH_D3D9:
3389 #ifdef SUPPORTD3D
3390                 {
3391                         int result;
3392                         void *datapointer = NULL;
3393                         if (buffer->isindexbuffer)
3394                         {
3395                                 IDirect3DIndexBuffer9 *d3d9indexbuffer = (IDirect3DIndexBuffer9 *)buffer->devicebuffer;
3396                                 if (offset+size > buffer->size || !buffer->devicebuffer)
3397                                 {
3398                                         if (buffer->devicebuffer)
3399                                                 IDirect3DIndexBuffer9_Release((IDirect3DIndexBuffer9*)buffer->devicebuffer);
3400                                         buffer->devicebuffer = NULL;
3401                                         if (FAILED(result = IDirect3DDevice9_CreateIndexBuffer(vid_d3d9dev, (unsigned int)(offset+size), buffer->isdynamic ? D3DUSAGE_WRITEONLY | D3DUSAGE_DYNAMIC : 0, buffer->isindex16 ? D3DFMT_INDEX16 : D3DFMT_INDEX32, buffer->isdynamic ? D3DPOOL_DEFAULT : D3DPOOL_MANAGED, &d3d9indexbuffer, NULL)))
3402                                                 Sys_Error("IDirect3DDevice9_CreateIndexBuffer(%p, %d, %x, %x, %x, %p, NULL) returned %x\n", vid_d3d9dev, (int)size, buffer->isdynamic ? (int)D3DUSAGE_DYNAMIC : 0, buffer->isindex16 ? (int)D3DFMT_INDEX16 : (int)D3DFMT_INDEX32, buffer->isdynamic ? (int)D3DPOOL_DEFAULT : (int)D3DPOOL_MANAGED, &d3d9indexbuffer, (int)result);
3403                                         buffer->devicebuffer = (void *)d3d9indexbuffer;
3404                                         buffer->size = offset+size;
3405                                 }
3406                                 if (!FAILED(IDirect3DIndexBuffer9_Lock(d3d9indexbuffer, (unsigned int)offset, (unsigned int)size, &datapointer, buffer->isdynamic ? D3DLOCK_DISCARD : 0)))
3407                                 {
3408                                         if (data)
3409                                                 memcpy(datapointer, data, size);
3410                                         else
3411                                                 memset(datapointer, 0, size);
3412                                         IDirect3DIndexBuffer9_Unlock(d3d9indexbuffer);
3413                                 }
3414                         }
3415                         else
3416                         {
3417                                 IDirect3DVertexBuffer9 *d3d9vertexbuffer = (IDirect3DVertexBuffer9 *)buffer->devicebuffer;
3418                                 if (offset+size > buffer->size || !buffer->devicebuffer)
3419                                 {
3420                                         if (buffer->devicebuffer)
3421                                                 IDirect3DVertexBuffer9_Release((IDirect3DVertexBuffer9*)buffer->devicebuffer);
3422                                         buffer->devicebuffer = NULL;
3423                                         if (FAILED(result = IDirect3DDevice9_CreateVertexBuffer(vid_d3d9dev, (unsigned int)(offset+size), buffer->isdynamic ? D3DUSAGE_WRITEONLY | D3DUSAGE_DYNAMIC : 0, 0, buffer->isdynamic ? D3DPOOL_DEFAULT : D3DPOOL_MANAGED, &d3d9vertexbuffer, NULL)))
3424                                                 Sys_Error("IDirect3DDevice9_CreateVertexBuffer(%p, %d, %x, %x, %x, %p, NULL) returned %x\n", vid_d3d9dev, (int)size, buffer->isdynamic ? (int)D3DUSAGE_DYNAMIC : 0, 0, buffer->isdynamic ? (int)D3DPOOL_DEFAULT : (int)D3DPOOL_MANAGED, &d3d9vertexbuffer, (int)result);
3425                                         buffer->devicebuffer = (void *)d3d9vertexbuffer;
3426                                         buffer->size = offset+size;
3427                                 }
3428                                 if (!FAILED(IDirect3DVertexBuffer9_Lock(d3d9vertexbuffer, (unsigned int)offset, (unsigned int)size, &datapointer, buffer->isdynamic ? D3DLOCK_DISCARD : 0)))
3429                                 {
3430                                         if (data)
3431                                                 memcpy(datapointer, data, size);
3432                                         else
3433                                                 memset(datapointer, 0, size);
3434                                         IDirect3DVertexBuffer9_Unlock(d3d9vertexbuffer);
3435                                 }
3436                         }
3437                 }
3438 #endif
3439                 break;
3440         case RENDERPATH_D3D10:
3441                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3442                 break;
3443         case RENDERPATH_D3D11:
3444                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3445                 break;
3446         case RENDERPATH_SOFT:
3447                 break;
3448         }
3449 }
3450
3451 void R_Mesh_DestroyMeshBuffer(r_meshbuffer_t *buffer)
3452 {
3453         if (!buffer)
3454                 return;
3455         switch(vid.renderpath)
3456         {
3457         case RENDERPATH_GL11:
3458         case RENDERPATH_GL13:
3459         case RENDERPATH_GL20:
3460         case RENDERPATH_GLES1:
3461         case RENDERPATH_GLES2:
3462                 // GL clears the binding if we delete something bound
3463                 if (gl_state.uniformbufferobject == buffer->bufferobject)
3464                         gl_state.uniformbufferobject = 0;
3465                 if (gl_state.vertexbufferobject == buffer->bufferobject)
3466                         gl_state.vertexbufferobject = 0;
3467                 if (gl_state.elementbufferobject == buffer->bufferobject)
3468                         gl_state.elementbufferobject = 0;
3469                 qglDeleteBuffersARB(1, (GLuint *)&buffer->bufferobject);
3470                 break;
3471         case RENDERPATH_D3D9:
3472 #ifdef SUPPORTD3D
3473                 if (gl_state.d3dvertexbuffer == (void *)buffer)
3474                         gl_state.d3dvertexbuffer = NULL;
3475                 if (buffer->devicebuffer)
3476                 {
3477                         if (buffer->isindexbuffer)
3478                                 IDirect3DIndexBuffer9_Release((IDirect3DIndexBuffer9 *)buffer->devicebuffer);
3479                         else
3480                                 IDirect3DVertexBuffer9_Release((IDirect3DVertexBuffer9 *)buffer->devicebuffer);
3481                         buffer->devicebuffer = NULL;
3482                 }
3483 #endif
3484                 break;
3485         case RENDERPATH_D3D10:
3486                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3487                 break;
3488         case RENDERPATH_D3D11:
3489                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3490                 break;
3491         case RENDERPATH_SOFT:
3492                 break;
3493         }
3494         Mem_ExpandableArray_FreeRecord(&gl_state.meshbufferarray, (void *)buffer);
3495 }
3496
3497 static const char *buffertypename[R_BUFFERDATA_COUNT] = {"vertex", "index16", "index32", "uniform"};
3498 void GL_Mesh_ListVBOs(qboolean printeach)
3499 {
3500         int i, endindex;
3501         int type;
3502         int isdynamic;
3503         int index16count, index16mem;
3504         int index32count, index32mem;
3505         int vertexcount, vertexmem;
3506         int uniformcount, uniformmem;
3507         int totalcount, totalmem;
3508         size_t bufferstat[R_BUFFERDATA_COUNT][2][2];
3509         r_meshbuffer_t *buffer;
3510         memset(bufferstat, 0, sizeof(bufferstat));
3511         endindex = (int)Mem_ExpandableArray_IndexRange(&gl_state.meshbufferarray);
3512         for (i = 0;i < endindex;i++)
3513         {
3514                 buffer = (r_meshbuffer_t *) Mem_ExpandableArray_RecordAtIndex(&gl_state.meshbufferarray, i);
3515                 if (!buffer)
3516                         continue;
3517                 if (buffer->isuniformbuffer)
3518                         type = R_BUFFERDATA_UNIFORM;
3519                 else if (buffer->isindexbuffer && buffer->isindex16)
3520                         type = R_BUFFERDATA_INDEX16;
3521                 else if (buffer->isindexbuffer)
3522                         type = R_BUFFERDATA_INDEX32;
3523                 else
3524                         type = R_BUFFERDATA_VERTEX;
3525                 isdynamic = buffer->isdynamic;
3526                 bufferstat[type][isdynamic][0]++;
3527                 bufferstat[type][isdynamic][1] += buffer->size;
3528                 if (printeach)
3529                         Con_Printf("buffer #%i %s = %i bytes (%s %s)\n", i, buffer->name, (int)buffer->size, isdynamic ? "dynamic" : "static", buffertypename[type]);
3530         }
3531         index16count   = (int)(bufferstat[R_BUFFERDATA_INDEX16][0][0] + bufferstat[R_BUFFERDATA_INDEX16][1][0]);
3532         index16mem     = (int)(bufferstat[R_BUFFERDATA_INDEX16][0][1] + bufferstat[R_BUFFERDATA_INDEX16][1][1]);
3533         index32count   = (int)(bufferstat[R_BUFFERDATA_INDEX32][0][0] + bufferstat[R_BUFFERDATA_INDEX32][1][0]);
3534         index32mem     = (int)(bufferstat[R_BUFFERDATA_INDEX32][0][1] + bufferstat[R_BUFFERDATA_INDEX32][1][1]);
3535         vertexcount  = (int)(bufferstat[R_BUFFERDATA_VERTEX ][0][0] + bufferstat[R_BUFFERDATA_VERTEX ][1][0]);
3536         vertexmem    = (int)(bufferstat[R_BUFFERDATA_VERTEX ][0][1] + bufferstat[R_BUFFERDATA_VERTEX ][1][1]);
3537         uniformcount = (int)(bufferstat[R_BUFFERDATA_UNIFORM][0][0] + bufferstat[R_BUFFERDATA_UNIFORM][1][0]);
3538         uniformmem   = (int)(bufferstat[R_BUFFERDATA_UNIFORM][0][1] + bufferstat[R_BUFFERDATA_UNIFORM][1][1]);
3539         totalcount = index16count + index32count + vertexcount + uniformcount;
3540         totalmem = index16mem + index32mem + vertexmem + uniformmem;
3541         Con_Printf("%i 16bit indexbuffers totalling %i bytes (%.3f MB)\n%i 32bit indexbuffers totalling %i bytes (%.3f MB)\n%i vertexbuffers totalling %i bytes (%.3f MB)\n%i uniformbuffers totalling %i bytes (%.3f MB)\ncombined %i buffers totalling %i bytes (%.3fMB)\n", index16count, index16mem, index16mem / 10248576.0, index32count, index32mem, index32mem / 10248576.0, vertexcount, vertexmem, vertexmem / 10248576.0, uniformcount, uniformmem, uniformmem / 10248576.0, totalcount, totalmem, totalmem / 10248576.0);
3542 }
3543
3544
3545
3546 void R_Mesh_VertexPointer(int components, int gltype, size_t stride, const void *pointer, const r_meshbuffer_t *vertexbuffer, size_t bufferoffset)
3547 {
3548         switch(vid.renderpath)
3549         {
3550         case RENDERPATH_GL11:
3551         case RENDERPATH_GL13:
3552         case RENDERPATH_GLES1:
3553 #ifndef USE_GLES2
3554                 if (gl_state.pointer_vertex_components != components || gl_state.pointer_vertex_gltype != gltype || gl_state.pointer_vertex_stride != stride || gl_state.pointer_vertex_pointer != pointer || gl_state.pointer_vertex_vertexbuffer != vertexbuffer || gl_state.pointer_vertex_offset != bufferoffset)
3555                 {
3556                         int bufferobject = vertexbuffer ? vertexbuffer->bufferobject : 0;
3557                         gl_state.pointer_vertex_components = components;
3558                         gl_state.pointer_vertex_gltype = gltype;
3559                         gl_state.pointer_vertex_stride = stride;
3560                         gl_state.pointer_vertex_pointer = pointer;
3561                         gl_state.pointer_vertex_vertexbuffer = vertexbuffer;
3562                         gl_state.pointer_vertex_offset = bufferoffset;
3563                         CHECKGLERROR
3564                         GL_BindVBO(bufferobject);
3565                         qglVertexPointer(components, gltype, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
3566                 }
3567 #endif
3568                 break;
3569         case RENDERPATH_GL20:
3570         case RENDERPATH_GLES2:
3571                 if (gl_state.pointer_vertex_components != components || gl_state.pointer_vertex_gltype != gltype || gl_state.pointer_vertex_stride != stride || gl_state.pointer_vertex_pointer != pointer || gl_state.pointer_vertex_vertexbuffer != vertexbuffer || gl_state.pointer_vertex_offset != bufferoffset)
3572                 {
3573                         int bufferobject = vertexbuffer ? vertexbuffer->bufferobject : 0;
3574                         gl_state.pointer_vertex_components = components;
3575                         gl_state.pointer_vertex_gltype = gltype;
3576                         gl_state.pointer_vertex_stride = stride;
3577                         gl_state.pointer_vertex_pointer = pointer;
3578                         gl_state.pointer_vertex_vertexbuffer = vertexbuffer;
3579                         gl_state.pointer_vertex_offset = bufferoffset;
3580                         CHECKGLERROR
3581                         GL_BindVBO(bufferobject);
3582                         // LordHavoc: special flag added to gltype for unnormalized types
3583                         qglVertexAttribPointer(GLSLATTRIB_POSITION, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
3584                 }
3585                 break;
3586         case RENDERPATH_D3D9:
3587         case RENDERPATH_D3D10:
3588         case RENDERPATH_D3D11:
3589         case RENDERPATH_SOFT:
3590                 break;
3591         }
3592 }
3593
3594 void R_Mesh_ColorPointer(int components, int gltype, size_t stride, const void *pointer, const r_meshbuffer_t *vertexbuffer, size_t bufferoffset)
3595 {
3596         // note: vertexbuffer may be non-NULL even if pointer is NULL, so check
3597         // the pointer only.
3598         switch(vid.renderpath)
3599         {
3600         case RENDERPATH_GL11:
3601         case RENDERPATH_GL13:
3602         case RENDERPATH_GLES1:
3603 #ifndef USE_GLES2
3604                 CHECKGLERROR
3605                 if (pointer)
3606                 {
3607                         // caller wants color array enabled
3608                         int bufferobject = vertexbuffer ? vertexbuffer->bufferobject : 0;
3609                         if (!gl_state.pointer_color_enabled)
3610                         {
3611                                 gl_state.pointer_color_enabled = true;
3612                                 CHECKGLERROR
3613                                 qglEnableClientState(GL_COLOR_ARRAY);CHECKGLERROR
3614                         }
3615                         if (gl_state.pointer_color_components != components || gl_state.pointer_color_gltype != gltype || gl_state.pointer_color_stride != stride || gl_state.pointer_color_pointer != pointer || gl_state.pointer_color_vertexbuffer != vertexbuffer || gl_state.pointer_color_offset != bufferoffset)
3616                         {
3617                                 gl_state.pointer_color_components = components;
3618                                 gl_state.pointer_color_gltype = gltype;
3619                                 gl_state.pointer_color_stride = stride;
3620                                 gl_state.pointer_color_pointer = pointer;
3621                                 gl_state.pointer_color_vertexbuffer = vertexbuffer;
3622                                 gl_state.pointer_color_offset = bufferoffset;
3623                                 CHECKGLERROR
3624                                 GL_BindVBO(bufferobject);
3625                                 qglColorPointer(components, gltype, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
3626                         }
3627                 }
3628                 else
3629                 {
3630                         // caller wants color array disabled
3631                         if (gl_state.pointer_color_enabled)
3632                         {
3633                                 gl_state.pointer_color_enabled = false;
3634                                 CHECKGLERROR
3635                                 qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
3636                                 // when color array is on the glColor gets trashed, set it again
3637                                 qglColor4f(gl_state.color4f[0], gl_state.color4f[1], gl_state.color4f[2], gl_state.color4f[3]);CHECKGLERROR
3638                         }
3639                 }
3640 #endif
3641                 break;
3642         case RENDERPATH_GL20:
3643         case RENDERPATH_GLES2:
3644                 CHECKGLERROR
3645                 if (pointer)
3646                 {
3647                         // caller wants color array enabled
3648                         int bufferobject = vertexbuffer ? vertexbuffer->bufferobject : 0;
3649                         if (!gl_state.pointer_color_enabled)
3650                         {
3651                                 gl_state.pointer_color_enabled = true;
3652                                 CHECKGLERROR
3653                                 qglEnableVertexAttribArray(GLSLATTRIB_COLOR);CHECKGLERROR
3654                         }
3655                         if (gl_state.pointer_color_components != components || gl_state.pointer_color_gltype != gltype || gl_state.pointer_color_stride != stride || gl_state.pointer_color_pointer != pointer || gl_state.pointer_color_vertexbuffer != vertexbuffer || gl_state.pointer_color_offset != bufferoffset)
3656                         {
3657                                 gl_state.pointer_color_components = components;
3658                                 gl_state.pointer_color_gltype = gltype;
3659                                 gl_state.pointer_color_stride = stride;
3660                                 gl_state.pointer_color_pointer = pointer;
3661                                 gl_state.pointer_color_vertexbuffer = vertexbuffer;
3662                                 gl_state.pointer_color_offset = bufferoffset;
3663                                 CHECKGLERROR
3664                                 GL_BindVBO(bufferobject);
3665                                 // LordHavoc: special flag added to gltype for unnormalized types
3666                                 qglVertexAttribPointer(GLSLATTRIB_COLOR, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
3667                         }
3668                 }
3669                 else
3670                 {
3671                         // caller wants color array disabled
3672                         if (gl_state.pointer_color_enabled)
3673                         {
3674                                 gl_state.pointer_color_enabled = false;
3675                                 CHECKGLERROR
3676                                 qglDisableVertexAttribArray(GLSLATTRIB_COLOR);CHECKGLERROR
3677                                 // when color array is on the glColor gets trashed, set it again
3678                                 qglVertexAttrib4f(GLSLATTRIB_COLOR, gl_state.color4f[0], gl_state.color4f[1], gl_state.color4f[2], gl_state.color4f[3]);CHECKGLERROR
3679                         }
3680                 }
3681                 break;
3682         case RENDERPATH_D3D9:
3683         case RENDERPATH_D3D10:
3684         case RENDERPATH_D3D11:
3685         case RENDERPATH_SOFT:
3686                 break;
3687         }
3688 }
3689
3690 void R_Mesh_TexCoordPointer(unsigned int unitnum, int components, int gltype, size_t stride, const void *pointer, const r_meshbuffer_t *vertexbuffer, size_t bufferoffset)
3691 {
3692         gltextureunit_t *unit = gl_state.units + unitnum;
3693         // update array settings
3694         // note: there is no need to check bufferobject here because all cases
3695         // that involve a valid bufferobject also supply a texcoord array
3696         switch(vid.renderpath)
3697         {
3698         case RENDERPATH_GL11:
3699         case RENDERPATH_GL13:
3700         case RENDERPATH_GLES1:
3701 #ifndef USE_GLES2
3702                 CHECKGLERROR
3703                 if (pointer)
3704                 {
3705                         int bufferobject = vertexbuffer ? vertexbuffer->bufferobject : 0;
3706                         // texture array unit is enabled, enable the array
3707                         if (!unit->arrayenabled)
3708                         {
3709                                 unit->arrayenabled = true;
3710                                 GL_ClientActiveTexture(unitnum);
3711                                 qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
3712                         }
3713                         // texcoord array
3714                         if (unit->pointer_texcoord_components != components || unit->pointer_texcoord_gltype != gltype || unit->pointer_texcoord_stride != stride || unit->pointer_texcoord_pointer != pointer || unit->pointer_texcoord_vertexbuffer != vertexbuffer || unit->pointer_texcoord_offset != bufferoffset)
3715                         {
3716                                 unit->pointer_texcoord_components = components;
3717                                 unit->pointer_texcoord_gltype = gltype;
3718                                 unit->pointer_texcoord_stride = stride;
3719                                 unit->pointer_texcoord_pointer = pointer;
3720                                 unit->pointer_texcoord_vertexbuffer = vertexbuffer;
3721                                 unit->pointer_texcoord_offset = bufferoffset;
3722                                 GL_ClientActiveTexture(unitnum);
3723                                 GL_BindVBO(bufferobject);
3724                                 qglTexCoordPointer(components, gltype, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
3725                         }
3726                 }
3727                 else
3728                 {
3729                         // texture array unit is disabled, disable the array
3730                         if (unit->arrayenabled)
3731                         {
3732                                 unit->arrayenabled = false;
3733                                 GL_ClientActiveTexture(unitnum);
3734                                 qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
3735                         }
3736                 }
3737 #endif
3738                 break;
3739         case RENDERPATH_GL20:
3740         case RENDERPATH_GLES2:
3741                 CHECKGLERROR
3742                 if (pointer)
3743                 {
3744                         int bufferobject = vertexbuffer ? vertexbuffer->bufferobject : 0;
3745                         // texture array unit is enabled, enable the array
3746                         if (!unit->arrayenabled)
3747                         {
3748                                 unit->arrayenabled = true;
3749                                 qglEnableVertexAttribArray(unitnum+GLSLATTRIB_TEXCOORD0);CHECKGLERROR
3750                         }
3751                         // texcoord array
3752                         if (unit->pointer_texcoord_components != components || unit->pointer_texcoord_gltype != gltype || unit->pointer_texcoord_stride != stride || unit->pointer_texcoord_pointer != pointer || unit->pointer_texcoord_vertexbuffer != vertexbuffer || unit->pointer_texcoord_offset != bufferoffset)
3753                         {
3754                                 unit->pointer_texcoord_components = components;
3755                                 unit->pointer_texcoord_gltype = gltype;
3756                                 unit->pointer_texcoord_stride = stride;
3757                                 unit->pointer_texcoord_pointer = pointer;
3758                                 unit->pointer_texcoord_vertexbuffer = vertexbuffer;
3759                                 unit->pointer_texcoord_offset = bufferoffset;
3760                                 GL_BindVBO(bufferobject);
3761                                 // LordHavoc: special flag added to gltype for unnormalized types
3762                                 qglVertexAttribPointer(unitnum+GLSLATTRIB_TEXCOORD0, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, (GLsizei)stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
3763                         }
3764                 }
3765                 else
3766                 {
3767                         // texture array unit is disabled, disable the array
3768                         if (unit->arrayenabled)
3769                         {
3770                                 unit->arrayenabled = false;
3771                                 qglDisableVertexAttribArray(unitnum+GLSLATTRIB_TEXCOORD0);CHECKGLERROR
3772                         }
3773                 }
3774                 break;
3775         case RENDERPATH_D3D9:
3776         case RENDERPATH_D3D10:
3777         case RENDERPATH_D3D11:
3778         case RENDERPATH_SOFT:
3779                 break;
3780         }
3781 }
3782
3783 int R_Mesh_TexBound(unsigned int unitnum, int id)
3784 {
3785         gltextureunit_t *unit = gl_state.units + unitnum;
3786         if (unitnum >= vid.teximageunits)
3787                 return 0;
3788         if (id == GL_TEXTURE_2D)
3789                 return unit->t2d;
3790         if (id == GL_TEXTURE_3D)
3791                 return unit->t3d;
3792         if (id == GL_TEXTURE_CUBE_MAP)
3793                 return unit->tcubemap;
3794         return 0;
3795 }
3796
3797 void R_Mesh_CopyToTexture(rtexture_t *tex, int tx, int ty, int sx, int sy, int width, int height)
3798 {
3799         switch(vid.renderpath)
3800         {
3801         case RENDERPATH_GL11:
3802         case RENDERPATH_GL13:
3803         case RENDERPATH_GL20:
3804         case RENDERPATH_GLES1:
3805         case RENDERPATH_GLES2:
3806                 R_Mesh_TexBind(0, tex);
3807                 GL_ActiveTexture(0);CHECKGLERROR
3808                 qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, tx, ty, sx, sy, width, height);CHECKGLERROR
3809                 break;
3810         case RENDERPATH_D3D9:
3811 #ifdef SUPPORTD3D
3812                 {
3813                         IDirect3DSurface9 *currentsurface = NULL;
3814                         IDirect3DSurface9 *texturesurface = NULL;
3815                         RECT sourcerect;
3816                         RECT destrect;
3817                         sourcerect.left = sx;
3818                         sourcerect.top = sy;
3819                         sourcerect.right = sx + width;
3820                         sourcerect.bottom = sy + height;
3821                         destrect.left = tx;
3822                         destrect.top = ty;
3823                         destrect.right = tx + width;
3824                         destrect.bottom = ty + height;
3825                         if (!FAILED(IDirect3DTexture9_GetSurfaceLevel(((IDirect3DTexture9 *)tex->d3dtexture), 0, &texturesurface)))
3826                         {
3827                                 if (!FAILED(IDirect3DDevice9_GetRenderTarget(vid_d3d9dev, 0, &currentsurface)))
3828                                 {
3829                                         IDirect3DDevice9_StretchRect(vid_d3d9dev, currentsurface, &sourcerect, texturesurface, &destrect, D3DTEXF_NONE);
3830                                         IDirect3DSurface9_Release(currentsurface);
3831                                 }
3832                                 IDirect3DSurface9_Release(texturesurface);
3833                         }
3834                 }
3835 #endif
3836                 break;
3837         case RENDERPATH_D3D10:
3838                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3839                 break;
3840         case RENDERPATH_D3D11:
3841                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
3842                 break;
3843         case RENDERPATH_SOFT:
3844                 DPSOFTRAST_CopyRectangleToTexture(tex->texnum, 0, tx, ty, sx, sy, width, height);
3845                 break;
3846         }
3847 }
3848
3849 #ifdef SUPPORTD3D
3850 int d3drswrap[16] = {D3DRS_WRAP0, D3DRS_WRAP1, D3DRS_WRAP2, D3DRS_WRAP3, D3DRS_WRAP4, D3DRS_WRAP5, D3DRS_WRAP6, D3DRS_WRAP7, D3DRS_WRAP8, D3DRS_WRAP9, D3DRS_WRAP10, D3DRS_WRAP11, D3DRS_WRAP12, D3DRS_WRAP13, D3DRS_WRAP14, D3DRS_WRAP15};
3851 #endif
3852
3853 void R_Mesh_ClearBindingsForTexture(int texnum)
3854 {
3855         gltextureunit_t *unit;
3856         unsigned int unitnum;
3857         // this doesn't really unbind the texture, but it does prevent a mistaken "do nothing" behavior on the next time this same texnum is bound on the same unit as the same type (this mainly affects r_shadow_bouncegrid because 3D textures are so rarely used)
3858         for (unitnum = 0;unitnum < vid.teximageunits;unitnum++)
3859         {
3860                 unit = gl_state.units + unitnum;
3861                 if (unit->t2d == texnum)
3862                         unit->t2d = -1;
3863                 if (unit->t3d == texnum)
3864                         unit->t3d = -1;
3865                 if (unit->tcubemap == texnum)
3866                         unit->tcubemap = -1;
3867         }
3868 }
3869
3870 void R_Mesh_TexBind(unsigned int unitnum, rtexture_t *tex)
3871 {
3872         gltextureunit_t *unit = gl_state.units + unitnum;
3873         int tex2d, tex3d, texcubemap, texnum;
3874         if (unitnum >= vid.teximageunits)
3875                 return;
3876 //      if (unit->texture == tex)
3877 //              return;
3878         switch(vid.renderpath)
3879         {
3880         case RENDERPATH_GL20:
3881         case RENDERPATH_GLES2:
3882                 if (!tex)
3883                 {
3884                         tex = r_texture_white;
3885                         // not initialized enough yet...
3886                         if (!tex)
3887                                 return;
3888                 }
3889                 unit->texture = tex;
3890                 texnum = R_GetTexture(tex);
3891                 switch(tex->gltexturetypeenum)
3892                 {
3893                 case GL_TEXTURE_2D: if (unit->t2d != texnum) {GL_ActiveTexture(unitnum);unit->t2d = texnum;qglBindTexture(GL_TEXTURE_2D, unit->t2d);CHECKGLERROR}break;
3894                 case GL_TEXTURE_3D: if (unit->t3d != texnum) {GL_ActiveTexture(unitnum);unit->t3d = texnum;qglBindTexture(GL_TEXTURE_3D, unit->t3d);CHECKGLERROR}break;
3895                 case GL_TEXTURE_CUBE_MAP: if (unit->tcubemap != texnum) {GL_ActiveTexture(unitnum);unit->tcubemap = texnum;qglBindTexture(GL_TEXTURE_CUBE_MAP, unit->tcubemap);CHECKGLERROR}break;
3896                 }
3897                 break;
3898         case RENDERPATH_GL11:
3899         case RENDERPATH_GL13:
3900         case RENDERPATH_GLES1:
3901                 unit->texture = tex;
3902                 tex2d = 0;
3903                 tex3d = 0;
3904                 texcubemap = 0;
3905                 if (tex)
3906                 {
3907                         texnum = R_GetTexture(tex);
3908                         switch(tex->gltexturetypeenum)
3909                         {
3910                         case GL_TEXTURE_2D:
3911                                 tex2d = texnum;
3912                                 break;
3913                         case GL_TEXTURE_3D:
3914                                 tex3d = texnum;
3915                                 break;
3916                         case GL_TEXTURE_CUBE_MAP:
3917                                 texcubemap = texnum;
3918                                 break;
3919                         }
3920                 }
3921                 // update 2d texture binding
3922                 if (unit->t2d != tex2d)
3923                 {
3924                         GL_ActiveTexture(unitnum);
3925                         if (tex2d)
3926                         {
3927                                 if (unit->t2d == 0)
3928                                 {
3929                                         qglEnable(GL_TEXTURE_2D);CHECKGLERROR
3930                                 }
3931                         }
3932                         else
3933                         {
3934                                 if (unit->t2d)
3935                                 {
3936                                         qglDisable(GL_TEXTURE_2D);CHECKGLERROR
3937                                 }
3938                         }
3939                         unit->t2d = tex2d;
3940                         qglBindTexture(GL_TEXTURE_2D, unit->t2d);CHECKGLERROR
3941                 }
3942                 // update 3d texture binding
3943                 if (unit->t3d != tex3d)
3944                 {
3945                         GL_ActiveTexture(unitnum);
3946                         if (tex3d)
3947                         {
3948                                 if (unit->t3d == 0)
3949                                 {
3950                                         qglEnable(GL_TEXTURE_3D);CHECKGLERROR
3951                                 }
3952                         }
3953                         else
3954                         {
3955                                 if (unit->t3d)
3956                                 {
3957                                         qglDisable(GL_TEXTURE_3D);CHECKGLERROR
3958                                 }
3959                         }
3960                         unit->t3d = tex3d;
3961                         qglBindTexture(GL_TEXTURE_3D, unit->t3d);CHECKGLERROR
3962                 }
3963                 // update cubemap texture binding
3964                 if (unit->tcubemap != texcubemap)
3965                 {
3966                         GL_ActiveTexture(unitnum);
3967                         if (texcubemap)
3968                         {
3969                                 if (unit->tcubemap == 0)
3970                                 {
3971                                         qglEnable(GL_TEXTURE_CUBE_MAP);CHECKGLERROR
3972                                 }
3973                         }
3974                         else
3975                         {
3976                                 if (unit->tcubemap)
3977                                 {
3978                                         qglDisable(GL_TEXTURE_CUBE_MAP);CHECKGLERROR
3979                                 }
3980                         }
3981                         unit->tcubemap = texcubemap;
3982                         qglBindTexture(GL_TEXTURE_CUBE_MAP, unit->tcubemap);CHECKGLERROR
3983                 }
3984                 break;
3985         case RENDERPATH_D3D9:
3986 #ifdef SUPPORTD3D
3987                 {
3988                         extern cvar_t gl_texture_anisotropy;
3989                         if (!tex)
3990                         {
3991                                 tex = r_texture_white;
3992                                 // not initialized enough yet...
3993                                 if (!tex)
3994                                         return;
3995                         }
3996                         // upload texture if needed
3997                         R_GetTexture(tex);
3998                         if (unit->texture == tex)
3999                                 return;
4000                         unit->texture = tex;
4001                         IDirect3DDevice9_SetTexture(vid_d3d9dev, unitnum, (IDirect3DBaseTexture9*)tex->d3dtexture);
4002                         //IDirect3DDevice9_SetRenderState(vid_d3d9dev, d3drswrap[unitnum], (tex->flags & TEXF_CLAMP) ? (D3DWRAPCOORD_0 | D3DWRAPCOORD_1 | D3DWRAPCOORD_2) : 0);
4003                         IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_ADDRESSU, tex->d3daddressu);
4004                         IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_ADDRESSV, tex->d3daddressv);
4005                         if (tex->d3daddressw)
4006                                 IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_ADDRESSW,  tex->d3daddressw);
4007                         IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_MAGFILTER, tex->d3dmagfilter);
4008                         IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_MINFILTER, tex->d3dminfilter);
4009                         IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_MIPFILTER, tex->d3dmipfilter);
4010                         IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_MIPMAPLODBIAS, tex->d3dmipmaplodbias);
4011                         IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_MAXMIPLEVEL, tex->d3dmaxmiplevelfilter);
4012                         IDirect3DDevice9_SetSamplerState(vid_d3d9dev, unitnum, D3DSAMP_MAXANISOTROPY, gl_texture_anisotropy.integer);
4013                 }
4014 #endif
4015                 break;
4016         case RENDERPATH_D3D10:
4017                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4018                 break;
4019         case RENDERPATH_D3D11:
4020                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4021                 break;
4022         case RENDERPATH_SOFT:
4023                 if (!tex)
4024                 {
4025                         tex = r_texture_white;
4026                         // not initialized enough yet...
4027                         if (!tex)
4028                                 return;
4029                 }
4030                 texnum = R_GetTexture(tex);
4031                 if (unit->texture == tex)
4032                         return;
4033                 unit->texture = tex;
4034                 DPSOFTRAST_SetTexture(unitnum, texnum);
4035                 break;
4036         }
4037 }
4038
4039 void R_Mesh_TexMatrix(unsigned int unitnum, const matrix4x4_t *matrix)
4040 {
4041         switch(vid.renderpath)
4042         {
4043         case RENDERPATH_GL11:
4044         case RENDERPATH_GL13:
4045         case RENDERPATH_GL20:
4046         case RENDERPATH_GLES1:
4047         case RENDERPATH_GLES2:
4048 #ifdef GL_MODELVIEW
4049                 if (matrix && matrix->m[3][3])
4050                 {
4051                         gltextureunit_t *unit = gl_state.units + unitnum;
4052                         // texmatrix specified, check if it is different
4053                         if (!unit->texmatrixenabled || memcmp(&unit->matrix, matrix, sizeof(matrix4x4_t)))
4054                         {
4055                                 float glmatrix[16];
4056                                 unit->texmatrixenabled = true;
4057                                 unit->matrix = *matrix;
4058                                 CHECKGLERROR
4059                                 Matrix4x4_ToArrayFloatGL(&unit->matrix, glmatrix);
4060                                 GL_ActiveTexture(unitnum);
4061                                 qglMatrixMode(GL_TEXTURE);CHECKGLERROR
4062                                 qglLoadMatrixf(glmatrix);CHECKGLERROR
4063                                 qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
4064                         }
4065                 }
4066                 else
4067                 {
4068                         // no texmatrix specified, revert to identity
4069                         gltextureunit_t *unit = gl_state.units + unitnum;
4070                         if (unit->texmatrixenabled)
4071                         {
4072                                 unit->texmatrixenabled = false;
4073                                 unit->matrix = identitymatrix;
4074                                 CHECKGLERROR
4075                                 GL_ActiveTexture(unitnum);
4076                                 qglMatrixMode(GL_TEXTURE);CHECKGLERROR
4077                                 qglLoadIdentity();CHECKGLERROR
4078                                 qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
4079                         }
4080                 }
4081 #endif
4082                 break;
4083         case RENDERPATH_D3D9:
4084         case RENDERPATH_D3D10:
4085         case RENDERPATH_D3D11:
4086                 break;
4087         case RENDERPATH_SOFT:
4088                 break;
4089         }
4090 }
4091
4092 void R_Mesh_TexCombine(unsigned int unitnum, int combinergb, int combinealpha, int rgbscale, int alphascale)
4093 {
4094 #if defined(GL_TEXTURE_ENV) && !defined(USE_GLES2)
4095         gltextureunit_t *unit = gl_state.units + unitnum;
4096         CHECKGLERROR
4097         switch(vid.renderpath)
4098         {
4099         case RENDERPATH_GL20:
4100         case RENDERPATH_GLES2:
4101                 // do nothing
4102                 break;
4103         case RENDERPATH_GL13:
4104         case RENDERPATH_GLES1:
4105                 // GL_ARB_texture_env_combine
4106                 if (!combinergb)
4107                         combinergb = GL_MODULATE;
4108                 if (!combinealpha)
4109                         combinealpha = GL_MODULATE;
4110                 if (!rgbscale)
4111                         rgbscale = 1;
4112                 if (!alphascale)
4113                         alphascale = 1;
4114                 if (combinergb != combinealpha || rgbscale != 1 || alphascale != 1)
4115                 {
4116                         if (combinergb == GL_DECAL)
4117                                 combinergb = GL_INTERPOLATE;
4118                         if (unit->combine != GL_COMBINE)
4119                         {
4120                                 unit->combine = GL_COMBINE;
4121                                 GL_ActiveTexture(unitnum);
4122                                 qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);CHECKGLERROR
4123                                 qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB, GL_TEXTURE);CHECKGLERROR // for GL_INTERPOLATE mode
4124                         }
4125                         if (unit->combinergb != combinergb)
4126                         {
4127                                 unit->combinergb = combinergb;
4128                                 GL_ActiveTexture(unitnum);
4129                                 qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, unit->combinergb);CHECKGLERROR
4130                         }
4131                         if (unit->combinealpha != combinealpha)
4132                         {
4133                                 unit->combinealpha = combinealpha;
4134                                 GL_ActiveTexture(unitnum);
4135                                 qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, unit->combinealpha);CHECKGLERROR
4136                         }
4137                         if (unit->rgbscale != rgbscale)
4138                         {
4139                                 unit->rgbscale = rgbscale;
4140                                 GL_ActiveTexture(unitnum);
4141                                 qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE, unit->rgbscale);CHECKGLERROR
4142                         }
4143                         if (unit->alphascale != alphascale)
4144                         {
4145                                 unit->alphascale = alphascale;
4146                                 GL_ActiveTexture(unitnum);
4147                                 qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, unit->alphascale);CHECKGLERROR
4148                         }
4149                 }
4150                 else
4151                 {
4152                         if (unit->combine != combinergb)
4153                         {
4154                                 unit->combine = combinergb;
4155                                 GL_ActiveTexture(unitnum);
4156                                 qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combine);CHECKGLERROR
4157                         }
4158                 }
4159                 break;
4160         case RENDERPATH_GL11:
4161                 // normal GL texenv
4162                 if (!combinergb)
4163                         combinergb = GL_MODULATE;
4164                 if (unit->combine != combinergb)
4165                 {
4166                         unit->combine = combinergb;
4167                         GL_ActiveTexture(unitnum);
4168                         qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combine);CHECKGLERROR
4169                 }
4170                 break;
4171         case RENDERPATH_D3D9:
4172         case RENDERPATH_D3D10:
4173         case RENDERPATH_D3D11:
4174                 break;
4175         case RENDERPATH_SOFT:
4176                 break;
4177         }
4178 #endif
4179 }
4180
4181 void R_Mesh_ResetTextureState(void)
4182 {
4183         unsigned int unitnum;
4184
4185         BACKENDACTIVECHECK
4186
4187         for (unitnum = 0;unitnum < vid.teximageunits;unitnum++)
4188                 R_Mesh_TexBind(unitnum, NULL);
4189         for (unitnum = 0;unitnum < vid.texarrayunits;unitnum++)
4190                 R_Mesh_TexCoordPointer(unitnum, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4191         switch(vid.renderpath)
4192         {
4193         case RENDERPATH_GL20:
4194         case RENDERPATH_GLES2:
4195         case RENDERPATH_D3D9:
4196         case RENDERPATH_D3D10:
4197         case RENDERPATH_D3D11:
4198         case RENDERPATH_SOFT:
4199                 break;
4200         case RENDERPATH_GL11:
4201         case RENDERPATH_GL13:
4202         case RENDERPATH_GLES1:
4203                 for (unitnum = 0;unitnum < vid.texunits;unitnum++)
4204                 {
4205                         R_Mesh_TexCombine(unitnum, GL_MODULATE, GL_MODULATE, 1, 1);
4206                         R_Mesh_TexMatrix(unitnum, NULL);
4207                 }
4208                 break;
4209         }
4210 }
4211
4212
4213
4214 #ifdef SUPPORTD3D
4215 //#define r_vertex3f_d3d9fvf (D3DFVF_XYZ)
4216 //#define r_vertexgeneric_d3d9fvf (D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1)
4217 //#define r_vertexmesh_d3d9fvf (D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX5 | D3DFVF_TEXCOORDSIZE1(3) | D3DFVF_TEXCOORDSIZE2(3) | D3DFVF_TEXCOORDSIZE3(3))
4218
4219 D3DVERTEXELEMENT9 r_vertex3f_d3d9elements[] =
4220 {
4221         {0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
4222         D3DDECL_END()
4223 };
4224
4225 D3DVERTEXELEMENT9 r_vertexgeneric_d3d9elements[] =
4226 {
4227         {0, (int)((size_t)&((r_vertexgeneric_t *)0)->vertex3f  ), D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
4228         {0, (int)((size_t)&((r_vertexgeneric_t *)0)->color4f   ), D3DDECLTYPE_FLOAT4, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0},
4229         {0, (int)((size_t)&((r_vertexgeneric_t *)0)->texcoord2f), D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0},
4230         D3DDECL_END()
4231 };
4232
4233 D3DVERTEXELEMENT9 r_vertexmesh_d3d9elements[] =
4234 {
4235         {0, (int)((size_t)&((r_vertexmesh_t *)0)->vertex3f          ), D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
4236         {0, (int)((size_t)&((r_vertexmesh_t *)0)->color4f           ), D3DDECLTYPE_FLOAT4, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_COLOR, 0},
4237         {0, (int)((size_t)&((r_vertexmesh_t *)0)->texcoordtexture2f ), D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0},
4238         {0, (int)((size_t)&((r_vertexmesh_t *)0)->svector3f         ), D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 1},
4239         {0, (int)((size_t)&((r_vertexmesh_t *)0)->tvector3f         ), D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 2},
4240         {0, (int)((size_t)&((r_vertexmesh_t *)0)->normal3f          ), D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 3},
4241         {0, (int)((size_t)&((r_vertexmesh_t *)0)->texcoordlightmap2f), D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 4},
4242         {0, (int)((size_t)&((r_vertexmesh_t *)0)->skeletalindex4ub  ), D3DDECLTYPE_UBYTE4, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 6},
4243         {0, (int)((size_t)&((r_vertexmesh_t *)0)->skeletalweight4ub ), D3DDECLTYPE_UBYTE4N, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 7},
4244         D3DDECL_END()
4245 };
4246
4247 IDirect3DVertexDeclaration9 *r_vertex3f_d3d9decl;
4248 IDirect3DVertexDeclaration9 *r_vertexgeneric_d3d9decl;
4249 IDirect3DVertexDeclaration9 *r_vertexmesh_d3d9decl;
4250 #endif
4251
4252 static void R_Mesh_InitVertexDeclarations(void)
4253 {
4254 #ifdef SUPPORTD3D
4255         r_vertex3f_d3d9decl = NULL;
4256         r_vertexgeneric_d3d9decl = NULL;
4257         r_vertexmesh_d3d9decl = NULL;
4258         switch(vid.renderpath)
4259         {
4260         case RENDERPATH_GL20:
4261         case RENDERPATH_GL13:
4262         case RENDERPATH_GL11:
4263         case RENDERPATH_GLES1:
4264         case RENDERPATH_GLES2:
4265                 break;
4266         case RENDERPATH_D3D9:
4267                 IDirect3DDevice9_CreateVertexDeclaration(vid_d3d9dev, r_vertex3f_d3d9elements, &r_vertex3f_d3d9decl);
4268                 IDirect3DDevice9_CreateVertexDeclaration(vid_d3d9dev, r_vertexgeneric_d3d9elements, &r_vertexgeneric_d3d9decl);
4269                 IDirect3DDevice9_CreateVertexDeclaration(vid_d3d9dev, r_vertexmesh_d3d9elements, &r_vertexmesh_d3d9decl);
4270                 break;
4271         case RENDERPATH_D3D10:
4272                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4273                 break;
4274         case RENDERPATH_D3D11:
4275                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4276                 break;
4277         case RENDERPATH_SOFT:
4278                 break;
4279         }
4280 #endif
4281 }
4282
4283 static void R_Mesh_DestroyVertexDeclarations(void)
4284 {
4285 #ifdef SUPPORTD3D
4286         if (r_vertex3f_d3d9decl)
4287                 IDirect3DVertexDeclaration9_Release(r_vertex3f_d3d9decl);
4288         r_vertex3f_d3d9decl = NULL;
4289         if (r_vertexgeneric_d3d9decl)
4290                 IDirect3DVertexDeclaration9_Release(r_vertexgeneric_d3d9decl);
4291         r_vertexgeneric_d3d9decl = NULL;
4292         if (r_vertexmesh_d3d9decl)
4293                 IDirect3DVertexDeclaration9_Release(r_vertexmesh_d3d9decl);
4294         r_vertexmesh_d3d9decl = NULL;
4295 #endif
4296 }
4297
4298 void R_Mesh_PrepareVertices_Vertex3f(int numvertices, const float *vertex3f, const r_meshbuffer_t *vertexbuffer, int bufferoffset)
4299 {
4300         // upload temporary vertexbuffer for this rendering
4301         if (!gl_state.usevbo_staticvertex)
4302                 vertexbuffer = NULL;
4303         if (!vertexbuffer && gl_state.usevbo_dynamicvertex)
4304                 vertexbuffer = R_BufferData_Store(numvertices * sizeof(float[3]), (void *)vertex3f, R_BUFFERDATA_VERTEX, &bufferoffset);
4305         switch(vid.renderpath)
4306         {
4307         case RENDERPATH_GL20:
4308         case RENDERPATH_GLES2:
4309                 if (vertexbuffer)
4310                 {
4311                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, vertexbuffer, bufferoffset);
4312                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, NULL, 0);
4313                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4314                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4315                         R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4316                         R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4317                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4318                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4319                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4320                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4321                 }
4322                 else
4323                 {
4324                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, vertexbuffer, 0);
4325                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, NULL, 0);
4326                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4327                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4328                         R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4329                         R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4330                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4331                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4332                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4333                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4334                 }
4335                 break;
4336         case RENDERPATH_GL13:
4337         case RENDERPATH_GLES1:
4338                 if (vertexbuffer)
4339                 {
4340                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, vertexbuffer, bufferoffset);
4341                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, NULL, 0);
4342                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4343                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4344                 }
4345                 else
4346                 {
4347                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, vertexbuffer, 0);
4348                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, NULL, 0);
4349                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4350                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4351                 }
4352                 break;
4353         case RENDERPATH_GL11:
4354                 if (vertexbuffer)
4355                 {
4356                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, vertexbuffer, bufferoffset);
4357                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, NULL, 0);
4358                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4359                 }
4360                 else
4361                 {
4362                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, vertexbuffer, 0);
4363                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL, NULL, 0);
4364                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4365                 }
4366                 break;
4367         case RENDERPATH_D3D9:
4368 #ifdef SUPPORTD3D
4369                 IDirect3DDevice9_SetVertexDeclaration(vid_d3d9dev, r_vertex3f_d3d9decl);
4370                 if (vertexbuffer)
4371                         IDirect3DDevice9_SetStreamSource(vid_d3d9dev, 0, (IDirect3DVertexBuffer9*)vertexbuffer->devicebuffer, bufferoffset, sizeof(float[3]));
4372                 else
4373                         IDirect3DDevice9_SetStreamSource(vid_d3d9dev, 0, NULL, 0, 0);
4374                 gl_state.d3dvertexbuffer = (void *)vertexbuffer;
4375                 gl_state.d3dvertexdata = (void *)vertex3f;
4376                 gl_state.d3dvertexsize = sizeof(float[3]);
4377 #endif
4378                 break;
4379         case RENDERPATH_D3D10:
4380                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4381                 break;
4382         case RENDERPATH_D3D11:
4383                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4384                 break;
4385         case RENDERPATH_SOFT:
4386                 DPSOFTRAST_SetVertexPointer(vertex3f, sizeof(float[3]));
4387                 DPSOFTRAST_SetColorPointer(NULL, 0);
4388                 DPSOFTRAST_SetTexCoordPointer(0, 2, sizeof(float[2]), NULL);
4389                 DPSOFTRAST_SetTexCoordPointer(1, 2, sizeof(float[2]), NULL);
4390                 DPSOFTRAST_SetTexCoordPointer(2, 2, sizeof(float[2]), NULL);
4391                 DPSOFTRAST_SetTexCoordPointer(3, 2, sizeof(float[2]), NULL);
4392                 DPSOFTRAST_SetTexCoordPointer(4, 2, sizeof(float[2]), NULL);
4393                 break;
4394         }
4395 }
4396
4397
4398
4399 r_vertexgeneric_t *R_Mesh_PrepareVertices_Generic_Lock(int numvertices)
4400 {
4401         size_t size;
4402         size = sizeof(r_vertexgeneric_t) * numvertices;
4403         if (gl_state.preparevertices_tempdatamaxsize < size)
4404         {
4405                 gl_state.preparevertices_tempdatamaxsize = size;
4406                 gl_state.preparevertices_tempdata = Mem_Realloc(r_main_mempool, gl_state.preparevertices_tempdata, gl_state.preparevertices_tempdatamaxsize);
4407         }
4408         gl_state.preparevertices_vertexgeneric = (r_vertexgeneric_t *)gl_state.preparevertices_tempdata;
4409         gl_state.preparevertices_numvertices = numvertices;
4410         return gl_state.preparevertices_vertexgeneric;
4411 }
4412
4413 qboolean R_Mesh_PrepareVertices_Generic_Unlock(void)
4414 {
4415         R_Mesh_PrepareVertices_Generic(gl_state.preparevertices_numvertices, gl_state.preparevertices_vertexgeneric, NULL, 0);
4416         gl_state.preparevertices_vertexgeneric = NULL;
4417         gl_state.preparevertices_numvertices = 0;
4418         return true;
4419 }
4420
4421 void R_Mesh_PrepareVertices_Generic_Arrays(int numvertices, const float *vertex3f, const float *color4f, const float *texcoord2f)
4422 {
4423         int i;
4424         r_vertexgeneric_t *vertex;
4425         switch(vid.renderpath)
4426         {
4427         case RENDERPATH_GL20:
4428         case RENDERPATH_GLES2:
4429                 if (gl_state.usevbo_dynamicvertex)
4430                 {
4431                         r_meshbuffer_t *buffer_vertex3f = NULL;
4432                         r_meshbuffer_t *buffer_color4f = NULL;
4433                         r_meshbuffer_t *buffer_texcoord2f = NULL;
4434                         int bufferoffset_vertex3f = 0;
4435                         int bufferoffset_color4f = 0;
4436                         int bufferoffset_texcoord2f = 0;
4437                         buffer_color4f    = R_BufferData_Store(numvertices * sizeof(float[4]), color4f   , R_BUFFERDATA_VERTEX, &bufferoffset_color4f   );
4438                         buffer_vertex3f   = R_BufferData_Store(numvertices * sizeof(float[3]), vertex3f  , R_BUFFERDATA_VERTEX, &bufferoffset_vertex3f  );
4439                         buffer_texcoord2f = R_BufferData_Store(numvertices * sizeof(float[2]), texcoord2f, R_BUFFERDATA_VERTEX, &bufferoffset_texcoord2f);
4440                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(float[3])        , vertex3f          , buffer_vertex3f          , bufferoffset_vertex3f          );
4441                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(float[4])        , color4f           , buffer_color4f           , bufferoffset_color4f           );
4442                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(float[2])        , texcoord2f        , buffer_texcoord2f        , bufferoffset_texcoord2f        );
4443                         R_Mesh_TexCoordPointer(1, 3, GL_FLOAT        , sizeof(float[3])        , NULL              , NULL                     , 0                              );
4444                         R_Mesh_TexCoordPointer(2, 3, GL_FLOAT        , sizeof(float[3])        , NULL              , NULL                     , 0                              );
4445                         R_Mesh_TexCoordPointer(3, 3, GL_FLOAT        , sizeof(float[3])        , NULL              , NULL                     , 0                              );
4446                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT        , sizeof(float[2])        , NULL              , NULL                     , 0                              );
4447                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT        , sizeof(float[2])        , NULL              , NULL                     , 0                              );
4448                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL              , NULL                     , 0                              );
4449                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL              , NULL                     , 0                              );
4450                 }
4451                 else if (!vid.useinterleavedarrays)
4452                 {
4453                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, NULL, 0);
4454                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), color4f, NULL, 0);
4455                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), texcoord2f, NULL, 0);
4456                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4457                         R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4458                         R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4459                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4460                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4461                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4462                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4463                         return;
4464                 }
4465                 break;
4466         case RENDERPATH_GL11:
4467         case RENDERPATH_GL13:
4468         case RENDERPATH_GLES1:
4469                 if (!vid.useinterleavedarrays)
4470                 {
4471                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, NULL, 0);
4472                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), color4f, NULL, 0);
4473                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), texcoord2f, NULL, 0);
4474                         if (vid.texunits >= 2)
4475                                 R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4476                         if (vid.texunits >= 3)
4477                                 R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4478                         return;
4479                 }
4480                 break;
4481         case RENDERPATH_D3D9:
4482         case RENDERPATH_D3D10:
4483         case RENDERPATH_D3D11:
4484                 break;
4485         case RENDERPATH_SOFT:
4486                 DPSOFTRAST_SetVertexPointer(vertex3f, sizeof(float[3]));
4487                 DPSOFTRAST_SetColorPointer(color4f, sizeof(float[4]));
4488                 DPSOFTRAST_SetTexCoordPointer(0, 2, sizeof(float[2]), texcoord2f);
4489                 DPSOFTRAST_SetTexCoordPointer(1, 2, sizeof(float[2]), NULL);
4490                 DPSOFTRAST_SetTexCoordPointer(2, 2, sizeof(float[2]), NULL);
4491                 DPSOFTRAST_SetTexCoordPointer(3, 2, sizeof(float[2]), NULL);
4492                 DPSOFTRAST_SetTexCoordPointer(4, 2, sizeof(float[2]), NULL);
4493                 return;
4494         }
4495
4496         // no quick path for this case, convert to vertex structs
4497         vertex = R_Mesh_PrepareVertices_Generic_Lock(numvertices);
4498         for (i = 0;i < numvertices;i++)
4499                 VectorCopy(vertex3f + 3*i, vertex[i].vertex3f);
4500         if (color4f)
4501         {
4502                 for (i = 0;i < numvertices;i++)
4503                         Vector4Copy(color4f + 4*i, vertex[i].color4f);
4504         }
4505         else
4506         {
4507                 for (i = 0;i < numvertices;i++)
4508                         Vector4Copy(gl_state.color4f, vertex[i].color4f);
4509         }
4510         if (texcoord2f)
4511                 for (i = 0;i < numvertices;i++)
4512                         Vector2Copy(texcoord2f + 2*i, vertex[i].texcoord2f);
4513         R_Mesh_PrepareVertices_Generic_Unlock();
4514         R_Mesh_PrepareVertices_Generic(numvertices, vertex, NULL, 0);
4515 }
4516
4517 void R_Mesh_PrepareVertices_Generic(int numvertices, const r_vertexgeneric_t *vertex, const r_meshbuffer_t *vertexbuffer, int bufferoffset)
4518 {
4519         // upload temporary vertexbuffer for this rendering
4520         if (!gl_state.usevbo_staticvertex)
4521                 vertexbuffer = NULL;
4522         if (!vertexbuffer && gl_state.usevbo_dynamicvertex)
4523                 vertexbuffer = R_BufferData_Store(numvertices * sizeof(*vertex), (void *)vertex, R_BUFFERDATA_VERTEX, &bufferoffset);
4524         switch(vid.renderpath)
4525         {
4526         case RENDERPATH_GL20:
4527         case RENDERPATH_GLES2:
4528                 if (vertexbuffer)
4529                 {
4530                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->vertex3f           - (unsigned char *)vertex));
4531                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->color4f            - (unsigned char *)vertex));
4532                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoord2f        , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->texcoord2f         - (unsigned char *)vertex));
4533                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4534                         R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4535                         R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4536                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4537                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4538                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4539                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4540                 }
4541                 else
4542                 {
4543                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , NULL, 0);
4544                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , NULL, 0);
4545                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoord2f        , NULL, 0);
4546                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4547                         R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4548                         R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4549                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4550                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4551                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4552                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4553                 }
4554                 break;
4555         case RENDERPATH_GL13:
4556         case RENDERPATH_GLES1:
4557                 if (vertexbuffer)
4558                 {
4559                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->vertex3f           - (unsigned char *)vertex));
4560                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->color4f            - (unsigned char *)vertex));
4561                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoord2f        , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->texcoord2f         - (unsigned char *)vertex));
4562                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4563                 }
4564                 else
4565                 {
4566                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , NULL, 0);
4567                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , NULL, 0);
4568                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoord2f        , NULL, 0);
4569                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4570                 }
4571                 break;
4572         case RENDERPATH_GL11:
4573                 if (vertexbuffer)
4574                 {
4575                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->vertex3f           - (unsigned char *)vertex));
4576                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->color4f            - (unsigned char *)vertex));
4577                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoord2f        , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->texcoord2f         - (unsigned char *)vertex));
4578                 }
4579                 else
4580                 {
4581                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , NULL, 0);
4582                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , NULL, 0);
4583                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoord2f        , NULL, 0);
4584                 }
4585                 break;
4586         case RENDERPATH_D3D9:
4587 #ifdef SUPPORTD3D
4588                 IDirect3DDevice9_SetVertexDeclaration(vid_d3d9dev, r_vertexgeneric_d3d9decl);
4589                 if (vertexbuffer)
4590                         IDirect3DDevice9_SetStreamSource(vid_d3d9dev, 0, (IDirect3DVertexBuffer9*)vertexbuffer->devicebuffer, bufferoffset, sizeof(*vertex));
4591                 else
4592                         IDirect3DDevice9_SetStreamSource(vid_d3d9dev, 0, NULL, 0, 0);
4593                 gl_state.d3dvertexbuffer = (void *)vertexbuffer;
4594                 gl_state.d3dvertexdata = (void *)vertex;
4595                 gl_state.d3dvertexsize = sizeof(*vertex);
4596 #endif
4597                 break;
4598         case RENDERPATH_D3D10:
4599                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4600                 break;
4601         case RENDERPATH_D3D11:
4602                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4603                 break;
4604         case RENDERPATH_SOFT:
4605                 DPSOFTRAST_SetVertexPointer(vertex->vertex3f, sizeof(*vertex));
4606                 DPSOFTRAST_SetColorPointer(vertex->color4f, sizeof(*vertex));
4607                 DPSOFTRAST_SetTexCoordPointer(0, 2, sizeof(*vertex), vertex->texcoord2f);
4608                 DPSOFTRAST_SetTexCoordPointer(1, 2, sizeof(*vertex), NULL);
4609                 DPSOFTRAST_SetTexCoordPointer(2, 2, sizeof(*vertex), NULL);
4610                 DPSOFTRAST_SetTexCoordPointer(3, 2, sizeof(*vertex), NULL);
4611                 DPSOFTRAST_SetTexCoordPointer(4, 2, sizeof(*vertex), NULL);
4612                 break;
4613         }
4614 }
4615
4616
4617
4618 r_vertexmesh_t *R_Mesh_PrepareVertices_Mesh_Lock(int numvertices)
4619 {
4620         size_t size;
4621         size = sizeof(r_vertexmesh_t) * numvertices;
4622         if (gl_state.preparevertices_tempdatamaxsize < size)
4623         {
4624                 gl_state.preparevertices_tempdatamaxsize = size;
4625                 gl_state.preparevertices_tempdata = Mem_Realloc(r_main_mempool, gl_state.preparevertices_tempdata, gl_state.preparevertices_tempdatamaxsize);
4626         }
4627         gl_state.preparevertices_vertexmesh = (r_vertexmesh_t *)gl_state.preparevertices_tempdata;
4628         gl_state.preparevertices_numvertices = numvertices;
4629         return gl_state.preparevertices_vertexmesh;
4630 }
4631
4632 qboolean R_Mesh_PrepareVertices_Mesh_Unlock(void)
4633 {
4634         R_Mesh_PrepareVertices_Mesh(gl_state.preparevertices_numvertices, gl_state.preparevertices_vertexmesh, NULL, 0);
4635         gl_state.preparevertices_vertexmesh = NULL;
4636         gl_state.preparevertices_numvertices = 0;
4637         return true;
4638 }
4639
4640 void R_Mesh_PrepareVertices_Mesh_Arrays(int numvertices, const float *vertex3f, const float *svector3f, const float *tvector3f, const float *normal3f, const float *color4f, const float *texcoordtexture2f, const float *texcoordlightmap2f)
4641 {
4642         int i;
4643         r_vertexmesh_t *vertex;
4644         switch(vid.renderpath)
4645         {
4646         case RENDERPATH_GL20:
4647         case RENDERPATH_GLES2:
4648                 if (gl_state.usevbo_dynamicvertex)
4649                 {
4650                         r_meshbuffer_t *buffer_vertex3f = NULL;
4651                         r_meshbuffer_t *buffer_color4f = NULL;
4652                         r_meshbuffer_t *buffer_texcoordtexture2f = NULL;
4653                         r_meshbuffer_t *buffer_svector3f = NULL;
4654                         r_meshbuffer_t *buffer_tvector3f = NULL;
4655                         r_meshbuffer_t *buffer_normal3f = NULL;
4656                         r_meshbuffer_t *buffer_texcoordlightmap2f = NULL;
4657                         int bufferoffset_vertex3f = 0;
4658                         int bufferoffset_color4f = 0;
4659                         int bufferoffset_texcoordtexture2f = 0;
4660                         int bufferoffset_svector3f = 0;
4661                         int bufferoffset_tvector3f = 0;
4662                         int bufferoffset_normal3f = 0;
4663                         int bufferoffset_texcoordlightmap2f = 0;
4664                         buffer_color4f            = R_BufferData_Store(numvertices * sizeof(float[4]), color4f           , R_BUFFERDATA_VERTEX, &bufferoffset_color4f           );
4665                         buffer_vertex3f           = R_BufferData_Store(numvertices * sizeof(float[3]), vertex3f          , R_BUFFERDATA_VERTEX, &bufferoffset_vertex3f          );
4666                         buffer_svector3f          = R_BufferData_Store(numvertices * sizeof(float[3]), svector3f         , R_BUFFERDATA_VERTEX, &bufferoffset_svector3f         );
4667                         buffer_tvector3f          = R_BufferData_Store(numvertices * sizeof(float[3]), tvector3f         , R_BUFFERDATA_VERTEX, &bufferoffset_tvector3f         );
4668                         buffer_normal3f           = R_BufferData_Store(numvertices * sizeof(float[3]), normal3f          , R_BUFFERDATA_VERTEX, &bufferoffset_normal3f          );
4669                         buffer_texcoordtexture2f  = R_BufferData_Store(numvertices * sizeof(float[2]), texcoordtexture2f , R_BUFFERDATA_VERTEX, &bufferoffset_texcoordtexture2f );
4670                         buffer_texcoordlightmap2f = R_BufferData_Store(numvertices * sizeof(float[2]), texcoordlightmap2f, R_BUFFERDATA_VERTEX, &bufferoffset_texcoordlightmap2f);
4671                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(float[3])        , vertex3f          , buffer_vertex3f          , bufferoffset_vertex3f          );
4672                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(float[4])        , color4f           , buffer_color4f           , bufferoffset_color4f           );
4673                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(float[2])        , texcoordtexture2f , buffer_texcoordtexture2f , bufferoffset_texcoordtexture2f );
4674                         R_Mesh_TexCoordPointer(1, 3, GL_FLOAT        , sizeof(float[3])        , svector3f         , buffer_svector3f         , bufferoffset_svector3f         );
4675                         R_Mesh_TexCoordPointer(2, 3, GL_FLOAT        , sizeof(float[3])        , tvector3f         , buffer_tvector3f         , bufferoffset_tvector3f         );
4676                         R_Mesh_TexCoordPointer(3, 3, GL_FLOAT        , sizeof(float[3])        , normal3f          , buffer_normal3f          , bufferoffset_normal3f          );
4677                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT        , sizeof(float[2])        , texcoordlightmap2f, buffer_texcoordlightmap2f, bufferoffset_texcoordlightmap2f);
4678                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT        , sizeof(float[2])        , NULL              , NULL                     , 0                              );
4679                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL              , NULL                     , 0                              );
4680                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL              , NULL                     , 0                              );
4681                 }
4682                 else if (!vid.useinterleavedarrays)
4683                 {
4684                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, NULL, 0);
4685                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), color4f, NULL, 0);
4686                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), texcoordtexture2f, NULL, 0);
4687                         R_Mesh_TexCoordPointer(1, 3, GL_FLOAT, sizeof(float[3]), svector3f, NULL, 0);
4688                         R_Mesh_TexCoordPointer(2, 3, GL_FLOAT, sizeof(float[3]), tvector3f, NULL, 0);
4689                         R_Mesh_TexCoordPointer(3, 3, GL_FLOAT, sizeof(float[3]), normal3f, NULL, 0);
4690                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), texcoordlightmap2f, NULL, 0);
4691                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4692                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4693                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
4694                         return;
4695                 }
4696                 break;
4697         case RENDERPATH_GL11:
4698         case RENDERPATH_GL13:
4699         case RENDERPATH_GLES1:
4700                 if (!vid.useinterleavedarrays)
4701                 {
4702                         R_Mesh_VertexPointer(3, GL_FLOAT, sizeof(float[3]), vertex3f, NULL, 0);
4703                         R_Mesh_ColorPointer(4, GL_FLOAT, sizeof(float[4]), color4f, NULL, 0);
4704                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT, sizeof(float[2]), texcoordtexture2f, NULL, 0);
4705                         if (vid.texunits >= 2)
4706                                 R_Mesh_TexCoordPointer(1, 2, GL_FLOAT, sizeof(float[2]), texcoordlightmap2f, NULL, 0);
4707                         if (vid.texunits >= 3)
4708                                 R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
4709                         return;
4710                 }
4711                 break;
4712         case RENDERPATH_D3D9:
4713         case RENDERPATH_D3D10:
4714         case RENDERPATH_D3D11:
4715                 break;
4716         case RENDERPATH_SOFT:
4717                 DPSOFTRAST_SetVertexPointer(vertex3f, sizeof(float[3]));
4718                 DPSOFTRAST_SetColorPointer(color4f, sizeof(float[4]));
4719                 DPSOFTRAST_SetTexCoordPointer(0, 2, sizeof(float[2]), texcoordtexture2f);
4720                 DPSOFTRAST_SetTexCoordPointer(1, 3, sizeof(float[3]), svector3f);
4721                 DPSOFTRAST_SetTexCoordPointer(2, 3, sizeof(float[3]), tvector3f);
4722                 DPSOFTRAST_SetTexCoordPointer(3, 3, sizeof(float[3]), normal3f);
4723                 DPSOFTRAST_SetTexCoordPointer(4, 2, sizeof(float[2]), texcoordlightmap2f);
4724                 return;
4725         }
4726
4727         vertex = R_Mesh_PrepareVertices_Mesh_Lock(numvertices);
4728         for (i = 0;i < numvertices;i++)
4729                 VectorCopy(vertex3f + 3*i, vertex[i].vertex3f);
4730         if (svector3f)
4731                 for (i = 0;i < numvertices;i++)
4732                         VectorCopy(svector3f + 3*i, vertex[i].svector3f);
4733         if (tvector3f)
4734                 for (i = 0;i < numvertices;i++)
4735                         VectorCopy(tvector3f + 3*i, vertex[i].tvector3f);
4736         if (normal3f)
4737                 for (i = 0;i < numvertices;i++)
4738                         VectorCopy(normal3f + 3*i, vertex[i].normal3f);
4739         if (color4f)
4740         {
4741                 for (i = 0;i < numvertices;i++)
4742                         Vector4Copy(color4f + 4*i, vertex[i].color4f);
4743         }
4744         else
4745         {
4746                 for (i = 0;i < numvertices;i++)
4747                         Vector4Copy(gl_state.color4f, vertex[i].color4f);
4748         }
4749         if (texcoordtexture2f)
4750                 for (i = 0;i < numvertices;i++)
4751                         Vector2Copy(texcoordtexture2f + 2*i, vertex[i].texcoordtexture2f);
4752         if (texcoordlightmap2f)
4753                 for (i = 0;i < numvertices;i++)
4754                         Vector2Copy(texcoordlightmap2f + 2*i, vertex[i].texcoordlightmap2f);
4755         R_Mesh_PrepareVertices_Mesh_Unlock();
4756         R_Mesh_PrepareVertices_Mesh(numvertices, vertex, NULL, 0);
4757 }
4758
4759 void R_Mesh_PrepareVertices_Mesh(int numvertices, const r_vertexmesh_t *vertex, const r_meshbuffer_t *vertexbuffer, int bufferoffset)
4760 {
4761         // upload temporary vertexbuffer for this rendering
4762         if (!gl_state.usevbo_staticvertex)
4763                 vertexbuffer = NULL;
4764         if (!vertexbuffer && gl_state.usevbo_dynamicvertex)
4765                 vertexbuffer = R_BufferData_Store(numvertices * sizeof(*vertex), (void *)vertex, R_BUFFERDATA_VERTEX, &bufferoffset);
4766         switch(vid.renderpath)
4767         {
4768         case RENDERPATH_GL20:
4769         case RENDERPATH_GLES2:
4770                 if (vertexbuffer)
4771                 {
4772                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->vertex3f           - (unsigned char *)vertex));
4773                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->color4f            - (unsigned char *)vertex));
4774                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordtexture2f , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->texcoordtexture2f  - (unsigned char *)vertex));
4775                         R_Mesh_TexCoordPointer(1, 3, GL_FLOAT        , sizeof(*vertex), vertex->svector3f         , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->svector3f          - (unsigned char *)vertex));
4776                         R_Mesh_TexCoordPointer(2, 3, GL_FLOAT        , sizeof(*vertex), vertex->tvector3f         , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->tvector3f          - (unsigned char *)vertex));
4777                         R_Mesh_TexCoordPointer(3, 3, GL_FLOAT        , sizeof(*vertex), vertex->normal3f          , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->normal3f           - (unsigned char *)vertex));
4778                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordlightmap2f, vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->texcoordlightmap2f - (unsigned char *)vertex));
4779                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT        , sizeof(*vertex), NULL, NULL, 0);
4780                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE | 0x80000000, sizeof(*vertex), vertex->skeletalindex4ub  , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->skeletalindex4ub   - (unsigned char *)vertex));
4781                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(*vertex), vertex->skeletalweight4ub , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->skeletalweight4ub  - (unsigned char *)vertex));
4782                 }
4783                 else
4784                 {
4785                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , NULL, 0);
4786                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , NULL, 0);
4787                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordtexture2f , NULL, 0);
4788                         R_Mesh_TexCoordPointer(1, 3, GL_FLOAT        , sizeof(*vertex), vertex->svector3f         , NULL, 0);
4789                         R_Mesh_TexCoordPointer(2, 3, GL_FLOAT        , sizeof(*vertex), vertex->tvector3f         , NULL, 0);
4790                         R_Mesh_TexCoordPointer(3, 3, GL_FLOAT        , sizeof(*vertex), vertex->normal3f          , NULL, 0);
4791                         R_Mesh_TexCoordPointer(4, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordlightmap2f, NULL, 0);
4792                         R_Mesh_TexCoordPointer(5, 2, GL_FLOAT        , sizeof(*vertex), NULL, NULL, 0);
4793                         R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE | 0x80000000, sizeof(*vertex), vertex->skeletalindex4ub  , NULL, 0);
4794                         R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(*vertex), vertex->skeletalweight4ub , NULL, 0);
4795                 }
4796                 break;
4797         case RENDERPATH_GL13:
4798         case RENDERPATH_GLES1:
4799                 if (vertexbuffer)
4800                 {
4801                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->vertex3f           - (unsigned char *)vertex));
4802                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->color4f            - (unsigned char *)vertex));
4803                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordtexture2f , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->texcoordtexture2f  - (unsigned char *)vertex));
4804                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordlightmap2f, vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->texcoordlightmap2f - (unsigned char *)vertex));
4805                 }
4806                 else
4807                 {
4808                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , NULL, 0);
4809                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , NULL, 0);
4810                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordtexture2f , NULL, 0);
4811                         R_Mesh_TexCoordPointer(1, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordlightmap2f, NULL, 0);
4812                 }
4813                 break;
4814         case RENDERPATH_GL11:
4815                 if (vertexbuffer)
4816                 {
4817                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->vertex3f           - (unsigned char *)vertex));
4818                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->color4f            - (unsigned char *)vertex));
4819                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordtexture2f , vertexbuffer, bufferoffset + (int)((unsigned char *)vertex->texcoordtexture2f  - (unsigned char *)vertex));
4820                 }
4821                 else
4822                 {
4823                         R_Mesh_VertexPointer(     3, GL_FLOAT        , sizeof(*vertex), vertex->vertex3f          , NULL, 0);
4824                         R_Mesh_ColorPointer(      4, GL_FLOAT        , sizeof(*vertex), vertex->color4f           , NULL, 0);
4825                         R_Mesh_TexCoordPointer(0, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordtexture2f , NULL, 0);
4826                 }
4827                 break;
4828         case RENDERPATH_D3D9:
4829 #ifdef SUPPORTD3D
4830                 IDirect3DDevice9_SetVertexDeclaration(vid_d3d9dev, r_vertexmesh_d3d9decl);
4831                 if (vertexbuffer)
4832                         IDirect3DDevice9_SetStreamSource(vid_d3d9dev, 0, (IDirect3DVertexBuffer9*)vertexbuffer->devicebuffer, bufferoffset, sizeof(*vertex));
4833                 else
4834                         IDirect3DDevice9_SetStreamSource(vid_d3d9dev, 0, NULL, 0, 0);
4835                 gl_state.d3dvertexbuffer = (void *)vertexbuffer;
4836                 gl_state.d3dvertexdata = (void *)vertex;
4837                 gl_state.d3dvertexsize = sizeof(*vertex);
4838 #endif
4839                 break;
4840         case RENDERPATH_D3D10:
4841                 Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4842                 break;
4843         case RENDERPATH_D3D11:
4844                 Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4845                 break;
4846         case RENDERPATH_SOFT:
4847                 DPSOFTRAST_SetVertexPointer(vertex->vertex3f, sizeof(*vertex));
4848                 DPSOFTRAST_SetColorPointer(vertex->color4f, sizeof(*vertex));
4849                 DPSOFTRAST_SetTexCoordPointer(0, 2, sizeof(*vertex), vertex->texcoordtexture2f);
4850                 DPSOFTRAST_SetTexCoordPointer(1, 3, sizeof(*vertex), vertex->svector3f);
4851                 DPSOFTRAST_SetTexCoordPointer(2, 3, sizeof(*vertex), vertex->tvector3f);
4852                 DPSOFTRAST_SetTexCoordPointer(3, 3, sizeof(*vertex), vertex->normal3f);
4853                 DPSOFTRAST_SetTexCoordPointer(4, 2, sizeof(*vertex), vertex->texcoordlightmap2f);
4854                 break;
4855         }
4856 }
4857
4858 void GL_BlendEquationSubtract(qboolean negated)
4859 {
4860         if(negated)
4861         {
4862                 switch(vid.renderpath)
4863                 {
4864                 case RENDERPATH_GL11:
4865                 case RENDERPATH_GL13:
4866                 case RENDERPATH_GL20:
4867                 case RENDERPATH_GLES1:
4868                 case RENDERPATH_GLES2:
4869                         qglBlendEquationEXT(GL_FUNC_REVERSE_SUBTRACT);
4870                         break;
4871                 case RENDERPATH_D3D9:
4872 #ifdef SUPPORTD3D
4873                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_BLENDOP, D3DBLENDOP_SUBTRACT);
4874 #endif
4875                         break;
4876                 case RENDERPATH_D3D10:
4877                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4878                         break;
4879                 case RENDERPATH_D3D11:
4880                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4881                         break;
4882                 case RENDERPATH_SOFT:
4883                         DPSOFTRAST_BlendSubtract(true);
4884                         break;
4885                 }
4886         }
4887         else
4888         {
4889                 switch(vid.renderpath)
4890                 {
4891                 case RENDERPATH_GL11:
4892                 case RENDERPATH_GL13:
4893                 case RENDERPATH_GL20:
4894                 case RENDERPATH_GLES1:
4895                 case RENDERPATH_GLES2:
4896                         qglBlendEquationEXT(GL_FUNC_ADD);
4897                         break;
4898                 case RENDERPATH_D3D9:
4899 #ifdef SUPPORTD3D
4900                         IDirect3DDevice9_SetRenderState(vid_d3d9dev, D3DRS_BLENDOP, D3DBLENDOP_ADD);
4901 #endif
4902                         break;
4903                 case RENDERPATH_D3D10:
4904                         Con_DPrintf("FIXME D3D10 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4905                         break;
4906                 case RENDERPATH_D3D11:
4907                         Con_DPrintf("FIXME D3D11 %s:%i %s\n", __FILE__, __LINE__, __FUNCTION__);
4908                         break;
4909                 case RENDERPATH_SOFT:
4910                         DPSOFTRAST_BlendSubtract(false);
4911                         break;
4912                 }
4913         }
4914 }