X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=gl_backend.c;h=fe474eac5b9183511ede900565a56e51e2236354;hb=08991a19cd367575a6cc54b3846023526907b693;hp=a8110bd887e070588e9bb7df6f14545ce7de1348;hpb=a2396cf1c0d8941cd92b2ef714f94248e6deb577;p=xonotic%2Fdarkplaces.git diff --git a/gl_backend.c b/gl_backend.c index a8110bd8..fe474eac 100644 --- a/gl_backend.c +++ b/gl_backend.c @@ -1,1609 +1,1373 @@ #include "quakedef.h" +#include "image.h" +#include "jpeg.h" -cvar_t r_render = {0, "r_render", "1"}; -cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1"}; // whether or not to use dithering +cvar_t gl_mesh_drawrangeelements = {0, "gl_mesh_drawrangeelements", "1"}; +cvar_t gl_mesh_testarrayelement = {0, "gl_mesh_testarrayelement", "0"}; +cvar_t gl_mesh_testmanualfeeding = {0, "gl_mesh_testmanualfeeding", "0"}; +cvar_t gl_delayfinish = {CVAR_SAVE, "gl_delayfinish", "0"}; +cvar_t gl_paranoid = {0, "gl_paranoid", "0"}; +cvar_t gl_printcheckerror = {0, "gl_printcheckerror", "0"}; -int lightscalebit; -float lightscale; -float overbrightscale; +cvar_t r_render = {0, "r_render", "1"}; +cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1"}; // whether or not to use dithering +cvar_t gl_lockarrays = {0, "gl_lockarrays", "1"}; -void SCR_ScreenShot_f (void); -static void R_Envmap_f (void); - -static int max_meshs; -static int max_batch; -static int max_verts; // always max_meshs * 3 -#define TRANSDEPTHRES 4096 +int gl_maxdrawrangeelementsvertices; +int gl_maxdrawrangeelementsindices; -//static cvar_t gl_mesh_maxtriangles = {0, "gl_mesh_maxtriangles", "21760"}; -static cvar_t gl_mesh_maxtriangles = {0, "gl_mesh_maxtriangles", "8192"}; -static cvar_t gl_mesh_batchtriangles = {0, "gl_mesh_batchtriangles", "1024"}; -static cvar_t gl_mesh_merge = {0, "gl_mesh_merge", "1"}; -static cvar_t gl_mesh_floatcolors = {0, "gl_mesh_floatcolors", "0"}; +#ifdef DEBUGGL +int errornumber = 0; -typedef struct buf_mesh_s +void GL_PrintError(int errornumber, char *filename, int linenumber) { - int depthmask; - int depthtest; - int blendfunc1, blendfunc2; - int textures[MAX_TEXTUREUNITS]; - float texturergbscale[MAX_TEXTUREUNITS]; - int firsttriangle; - int triangles; - int firstvert; - int verts; - struct buf_mesh_s *chain; - struct buf_transtri_s *transchain; + switch(errornumber) + { +#ifdef GL_INVALID_ENUM + case GL_INVALID_ENUM: + Con_Printf("GL_INVALID_ENUM at %s:%i\n", filename, linenumber); + break; +#endif +#ifdef GL_INVALID_VALUE + case GL_INVALID_VALUE: + Con_Printf("GL_INVALID_VALUE at %s:%i\n", filename, linenumber); + break; +#endif +#ifdef GL_INVALID_OPERATION + case GL_INVALID_OPERATION: + Con_Printf("GL_INVALID_OPERATION at %s:%i\n", filename, linenumber); + break; +#endif +#ifdef GL_STACK_OVERFLOW + case GL_STACK_OVERFLOW: + Con_Printf("GL_STACK_OVERFLOW at %s:%i\n", filename, linenumber); + break; +#endif +#ifdef GL_STACK_UNDERFLOW + case GL_STACK_UNDERFLOW: + Con_Printf("GL_STACK_UNDERFLOW at %s:%i\n", filename, linenumber); + break; +#endif +#ifdef GL_OUT_OF_MEMORY + case GL_OUT_OF_MEMORY: + Con_Printf("GL_OUT_OF_MEMORY at %s:%i\n", filename, linenumber); + break; +#endif +#ifdef GL_TABLE_TOO_LARGE + case GL_TABLE_TOO_LARGE: + Con_Printf("GL_TABLE_TOO_LARGE at %s:%i\n", filename, linenumber); + break; +#endif + default: + Con_Printf("GL UNKNOWN (%i) at %s:%i\n", errornumber, filename, linenumber); + break; + } } -buf_mesh_t; +#endif -typedef struct buf_transtri_s -{ - struct buf_transtri_s *next; - struct buf_transtri_s *meshsortchain; - buf_mesh_t *mesh; - int index[3]; -} -buf_transtri_t; +#define BACKENDACTIVECHECK if (!backendactive) Sys_Error("GL backend function called when backend is not active\n"); -typedef struct buf_tri_s -{ - int index[3]; -} -buf_tri_t; +int c_meshs, c_meshelements; + +void SCR_ScreenShot_f (void); + +// these are externally accessible +int r_lightmapscalebit; +float r_colorscale; -typedef struct +static matrix4x4_t backend_viewmatrix; +static matrix4x4_t backend_modelmatrix; +static matrix4x4_t backend_modelviewmatrix; +static matrix4x4_t backend_glmodelviewmatrix; +static matrix4x4_t backend_projectmatrix; + +static int backendunits, backendactive; +static mempool_t *gl_backend_mempool; + +/* +note: here's strip order for a terrain row: +0--1--2--3--4 +|\ |\ |\ |\ | +| \| \| \| \| +A--B--C--D--E +clockwise + +A0B, 01B, B1C, 12C, C2D, 23D, D3E, 34E + +*elements++ = i + row; +*elements++ = i; +*elements++ = i + row + 1; +*elements++ = i; +*elements++ = i + 1; +*elements++ = i + row + 1; + + +for (y = 0;y < rows - 1;y++) { - float v[4]; + for (x = 0;x < columns - 1;x++) + { + i = y * rows + x; + *elements++ = i + columns; + *elements++ = i; + *elements++ = i + columns + 1; + *elements++ = i; + *elements++ = i + 1; + *elements++ = i + columns + 1; + } } -buf_vertex_t; -typedef struct +alternative: +0--1--2--3--4 +| /| /|\ | /| +|/ |/ | \|/ | +A--B--C--D--E +counterclockwise + +for (y = 0;y < rows - 1;y++) { - float c[4]; + for (x = 0;x < columns - 1;x++) + { + i = y * rows + x; + *elements++ = i; + *elements++ = i + columns; + *elements++ = i + columns + 1; + *elements++ = i + columns; + *elements++ = i + columns + 1; + *elements++ = i + 1; + } } -buf_fcolor_t; +*/ -typedef struct +int polygonelements[768]; + +static void R_Mesh_CacheArray_Startup(void); +static void R_Mesh_CacheArray_Shutdown(void); +void GL_Backend_AllocArrays(void) { - byte c[4]; + if (!gl_backend_mempool) + gl_backend_mempool = Mem_AllocPool("GL_Backend"); + R_Mesh_CacheArray_Startup(); } -buf_bcolor_t; -typedef struct +void GL_Backend_FreeArrays(void) { - float t[2]; + R_Mesh_CacheArray_Shutdown(); + Mem_FreePool(&gl_backend_mempool); } -buf_texcoord_t; - -static float meshfarclip; -static int currentmesh, currenttriangle, currentvertex, backendunits, backendactive, transranout; -static buf_mesh_t *buf_mesh; -static buf_tri_t *buf_tri; -static buf_vertex_t *buf_vertex; -static buf_fcolor_t *buf_fcolor; -static buf_bcolor_t *buf_bcolor; -static buf_texcoord_t *buf_texcoord[MAX_TEXTUREUNITS]; - -static int currenttransmesh, currenttransvertex, currenttranstriangle; -static buf_mesh_t *buf_transmesh; -static buf_transtri_t *buf_sorttranstri; -static buf_transtri_t **buf_sorttranstri_list; -static buf_tri_t *buf_transtri; -static buf_vertex_t *buf_transvertex; -static buf_fcolor_t *buf_transfcolor; -static buf_texcoord_t *buf_transtexcoord[MAX_TEXTUREUNITS]; - -static mempool_t *gl_backend_mempool; -static int resizingbuffers = false; static void gl_backend_start(void) { - int i; - - max_verts = max_meshs * 3; - - if (!gl_backend_mempool) - gl_backend_mempool = Mem_AllocPool("GL_Backend"); - -#define BACKENDALLOC(var, count, sizeofstruct)\ - {\ - var = Mem_Alloc(gl_backend_mempool, count * sizeof(sizeofstruct));\ - if (var == NULL)\ - Sys_Error("gl_backend_start: unable to allocate memory\n");\ - memset(var, 0, count * sizeof(sizeofstruct));\ + Con_DPrintf("OpenGL Backend started\n"); + if (qglDrawRangeElements != NULL) + { + CHECKGLERROR + qglGetIntegerv(GL_MAX_ELEMENTS_VERTICES, &gl_maxdrawrangeelementsvertices); + CHECKGLERROR + qglGetIntegerv(GL_MAX_ELEMENTS_INDICES, &gl_maxdrawrangeelementsindices); + CHECKGLERROR + Con_DPrintf("glDrawRangeElements detected (max vertices %i, max indices %i)\n", gl_maxdrawrangeelementsvertices, gl_maxdrawrangeelementsindices); } - BACKENDALLOC(buf_mesh, max_meshs, buf_mesh_t) - BACKENDALLOC(buf_tri, max_meshs, buf_tri_t) - BACKENDALLOC(buf_vertex, max_verts, buf_vertex_t) - BACKENDALLOC(buf_fcolor, max_verts, buf_fcolor_t) - BACKENDALLOC(buf_bcolor, max_verts, buf_bcolor_t) + backendunits = min(MAX_TEXTUREUNITS, gl_textureunits); - BACKENDALLOC(buf_transmesh, max_meshs, buf_mesh_t) - BACKENDALLOC(buf_sorttranstri, max_meshs, buf_transtri_t) - BACKENDALLOC(buf_sorttranstri_list, TRANSDEPTHRES, buf_transtri_t *) - BACKENDALLOC(buf_transtri, max_meshs, buf_tri_t) - BACKENDALLOC(buf_transvertex, max_verts, buf_vertex_t) - BACKENDALLOC(buf_transfcolor, max_verts, buf_fcolor_t) + GL_Backend_AllocArrays(); - for (i = 0;i < MAX_TEXTUREUNITS;i++) - { - // only allocate as many texcoord arrays as we need - if (i < gl_textureunits) - { - BACKENDALLOC(buf_texcoord[i], max_verts, buf_texcoord_t) - BACKENDALLOC(buf_transtexcoord[i], max_verts, buf_texcoord_t) - } - else - { - buf_texcoord[i] = NULL; - buf_transtexcoord[i] = NULL; - } - } - backendunits = min(MAX_TEXTUREUNITS, gl_textureunits); backendactive = true; } static void gl_backend_shutdown(void) { - if (resizingbuffers) - Mem_EmptyPool(gl_backend_mempool); - else - Mem_FreePool(&gl_backend_mempool); - backendunits = 0; backendactive = false; -} - -static void gl_backend_bufferchanges(int init) -{ - // 21760 is (65536 / 3) rounded off to a multiple of 128 - if (gl_mesh_maxtriangles.integer < 256) - Cvar_SetValue("gl_mesh_maxtriangles", 256); - if (gl_mesh_maxtriangles.integer > 21760) - Cvar_SetValue("gl_mesh_maxtriangles", 21760); - - if (gl_mesh_batchtriangles.integer < 0) - Cvar_SetValue("gl_mesh_batchtriangles", 0); - if (gl_mesh_batchtriangles.integer > gl_mesh_maxtriangles.integer) - Cvar_SetValue("gl_mesh_batchtriangles", gl_mesh_maxtriangles.integer); - max_batch = gl_mesh_batchtriangles.integer; + Con_DPrintf("OpenGL Backend shutting down\n"); - if (max_meshs != gl_mesh_maxtriangles.integer) - { - max_meshs = gl_mesh_maxtriangles.integer; - - if (!init) - { - resizingbuffers = true; - gl_backend_shutdown(); - gl_backend_start(); - resizingbuffers = false; - } - } + GL_Backend_FreeArrays(); } -float r_farclip, r_newfarclip; - static void gl_backend_newmap(void) { - r_farclip = r_newfarclip = 2048.0f; } -int polyindexarray[768]; - void gl_backend_init(void) { int i; - Cvar_RegisterVariable (&r_render); - Cvar_RegisterVariable (&gl_dither); + for (i = 0;i < POLYGONELEMENTS_MAXPOINTS - 2;i++) + { + polygonelements[i * 3 + 0] = 0; + polygonelements[i * 3 + 1] = i + 1; + polygonelements[i * 3 + 2] = i + 2; + } + + Cvar_RegisterVariable(&r_render); + Cvar_RegisterVariable(&gl_dither); + Cvar_RegisterVariable(&gl_lockarrays); + Cvar_RegisterVariable(&gl_delayfinish); + Cvar_RegisterVariable(&gl_paranoid); + Cvar_RegisterVariable(&gl_printcheckerror); #ifdef NORENDER Cvar_SetValue("r_render", 0); #endif - Cmd_AddCommand ("screenshot",SCR_ScreenShot_f); - Cmd_AddCommand ("envmap", R_Envmap_f); - - Cvar_RegisterVariable(&gl_mesh_maxtriangles); - Cvar_RegisterVariable(&gl_mesh_batchtriangles); - Cvar_RegisterVariable(&gl_mesh_merge); - Cvar_RegisterVariable(&gl_mesh_floatcolors); + Cvar_RegisterVariable(&gl_mesh_drawrangeelements); + Cvar_RegisterVariable(&gl_mesh_testarrayelement); + Cvar_RegisterVariable(&gl_mesh_testmanualfeeding); R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap); - gl_backend_bufferchanges(true); - for (i = 0;i < 256;i++) - { - polyindexarray[i*3+0] = 0; - polyindexarray[i*3+1] = i + 1; - polyindexarray[i*3+2] = i + 2; - } } -static void MYgluPerspective(GLdouble fovx, GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar ) +void GL_SetupView_ViewPort (int x, int y, int width, int height) { - GLdouble xmax, ymax; + if (!r_render.integer) + return; - xmax = zNear * tan( fovx * M_PI / 360.0 ) * aspect; - ymax = zNear * tan( fovy * M_PI / 360.0 ); + // y is weird beause OpenGL is bottom to top, we use top to bottom + qglViewport(x, vid.realheight - (y + height), width, height); + CHECKGLERROR +} - glFrustum(-xmax, xmax, -ymax, ymax, zNear, zFar ); +void GL_SetupView_Orientation_Identity (void) +{ + Matrix4x4_CreateIdentity(&backend_viewmatrix); + memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix)); } +void GL_SetupView_Orientation_FromEntity (vec3_t origin, vec3_t angles) +{ + Matrix4x4_CreateRotate(&backend_viewmatrix, -90, 1, 0, 0); + Matrix4x4_ConcatRotate(&backend_viewmatrix, 90, 0, 0, 1); + Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[2], 1, 0, 0); + Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[0], 0, 1, 0); + Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[1], 0, 0, 1); + Matrix4x4_ConcatTranslate(&backend_viewmatrix, -origin[0], -origin[1], -origin[2]); + memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix)); +} -/* -============= -GL_SetupFrame -============= -*/ -static void GL_SetupFrame (void) +void GL_SetupView_Mode_Perspective (double fovx, double fovy, double zNear, double zFar) { + double xmax, ymax; + if (!r_render.integer) return; -// glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // LordHavoc: moved to SCR_UpdateScreen - gldepthmin = 0; - gldepthmax = 1; - glDepthFunc (GL_LEQUAL); + // set up viewpoint + qglMatrixMode(GL_PROJECTION);CHECKGLERROR + qglLoadIdentity();CHECKGLERROR + // pyramid slopes + xmax = zNear * tan(fovx * M_PI / 360.0); + ymax = zNear * tan(fovy * M_PI / 360.0); + // set view pyramid + qglFrustum(-xmax, xmax, -ymax, ymax, zNear, zFar);CHECKGLERROR + qglMatrixMode(GL_MODELVIEW);CHECKGLERROR + GL_SetupView_Orientation_Identity(); +} - glDepthRange (gldepthmin, gldepthmax); +void GL_SetupView_Mode_PerspectiveInfiniteFarClip (double fovx, double fovy, double zNear) +{ + float nudge, m[16]; - // update farclip based on previous frame - r_farclip = r_newfarclip; + if (!r_render.integer) + return; // set up viewpoint - glMatrixMode(GL_PROJECTION); - glLoadIdentity (); - - // y is weird beause OpenGL is bottom to top, we use top to bottom - glViewport(r_refdef.x, vid.realheight - (r_refdef.y + r_refdef.height), r_refdef.width, r_refdef.height); -// yfov = 2*atan((float)r_refdef.height/r_refdef.width)*180/M_PI; - MYgluPerspective (r_refdef.fov_x, r_refdef.fov_y, r_refdef.width/r_refdef.height, 4.0 / 3.0, r_farclip); - - glCullFace(GL_FRONT); - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity (); - - glRotatef (-90, 1, 0, 0); // put Z going up - glRotatef (90, 0, 0, 1); // put Z going up - glRotatef (-r_refdef.viewangles[2], 1, 0, 0); - glRotatef (-r_refdef.viewangles[0], 0, 1, 0); - glRotatef (-r_refdef.viewangles[1], 0, 0, 1); - glTranslatef (-r_refdef.vieworg[0], -r_refdef.vieworg[1], -r_refdef.vieworg[2]); - -// glGetFloatv (GL_MODELVIEW_MATRIX, r_world_matrix); - - // - // set drawing parms - // -// if (gl_cull.integer) - glEnable(GL_CULL_FACE); -// else -// glDisable(GL_CULL_FACE); - - glEnable(GL_BLEND); // was Disable - glEnable(GL_DEPTH_TEST); - glDepthMask(1); + qglMatrixMode(GL_PROJECTION);CHECKGLERROR + qglLoadIdentity();CHECKGLERROR + // set view pyramid + nudge = 1.0 - 1.0 / (1<<23); + m[ 0] = 1.0 / tan(fovx * M_PI / 360.0); + m[ 1] = 0; + m[ 2] = 0; + m[ 3] = 0; + m[ 4] = 0; + m[ 5] = 1.0 / tan(fovy * M_PI / 360.0); + m[ 6] = 0; + m[ 7] = 0; + m[ 8] = 0; + m[ 9] = 0; + m[10] = -1 * nudge; + m[11] = -1 * nudge; + m[12] = 0; + m[13] = 0; + m[14] = -2 * zNear * nudge; + m[15] = 0; + qglLoadMatrixf(m); + qglMatrixMode(GL_MODELVIEW);CHECKGLERROR + GL_SetupView_Orientation_Identity(); + backend_projectmatrix.m[0][0] = m[0]; + backend_projectmatrix.m[1][0] = m[1]; + backend_projectmatrix.m[2][0] = m[2]; + backend_projectmatrix.m[3][0] = m[3]; + backend_projectmatrix.m[0][1] = m[4]; + backend_projectmatrix.m[1][1] = m[5]; + backend_projectmatrix.m[2][1] = m[6]; + backend_projectmatrix.m[3][1] = m[7]; + backend_projectmatrix.m[0][2] = m[8]; + backend_projectmatrix.m[1][2] = m[9]; + backend_projectmatrix.m[2][2] = m[10]; + backend_projectmatrix.m[3][2] = m[11]; + backend_projectmatrix.m[0][3] = m[12]; + backend_projectmatrix.m[1][3] = m[13]; + backend_projectmatrix.m[2][3] = m[14]; + backend_projectmatrix.m[3][3] = m[15]; } -static float viewdist; +void GL_SetupView_Mode_Ortho (double x1, double y1, double x2, double y2, double zNear, double zFar) +{ + if (!r_render.integer) + return; + + // set up viewpoint + qglMatrixMode(GL_PROJECTION);CHECKGLERROR + qglLoadIdentity();CHECKGLERROR + qglOrtho(x1, x2, y2, y1, zNear, zFar); + qglMatrixMode(GL_MODELVIEW);CHECKGLERROR + GL_SetupView_Orientation_Identity(); +} -int c_meshs, c_meshtris, c_transmeshs, c_transtris; +typedef struct gltextureunit_s +{ + int t1d, t2d, t3d, tcubemap; + int arrayenabled; + int arrayis3d; + const void *pointer_texcoord; + float rgbscale, alphascale; + int combinergb, combinealpha; + // FIXME: add more combine stuff + matrix4x4_t matrix; +} +gltextureunit_t; -// called at beginning of frame -void R_Mesh_Clear(void) +static struct { - if (!backendactive) - Sys_Error("R_Mesh_Clear: called when backend is not active\n"); - - gl_backend_bufferchanges(false); - - currentmesh = 0; - currenttriangle = 0; - currentvertex = 0; - currenttransmesh = 0; - currenttranstriangle = 0; - currenttransvertex = 0; - meshfarclip = 0; - transranout = false; - viewdist = DotProduct(r_origin, vpn); - - c_meshs = 0; - c_meshtris = 0; - c_transmeshs = 0; - c_transtris = 0; - - GL_SetupFrame(); + int blendfunc1; + int blendfunc2; + int blend; + GLboolean depthmask; + int depthtest; + int unit; + int clientunit; + gltextureunit_t units[MAX_TEXTUREUNITS]; + float color4f[4]; + int lockrange_first; + int lockrange_count; + const void *pointer_vertex; + const void *pointer_color; } +gl_state; -#ifdef DEBUGGL -void GL_PrintError(int errornumber, char *filename, int linenumber) +void GL_SetupTextureState(void) { - switch(errornumber) + int i; + gltextureunit_t *unit; + gl_state.unit = -1; + gl_state.clientunit = -1; + for (i = 0;i < backendunits;i++) { - case GL_INVALID_ENUM: - Con_Printf("GL_INVALID_ENUM at %s:%i\n", filename, linenumber); - break; - case GL_INVALID_VALUE: - Con_Printf("GL_INVALID_VALUE at %s:%i\n", filename, linenumber); - break; - case GL_INVALID_OPERATION: - Con_Printf("GL_INVALID_OPERATION at %s:%i\n", filename, linenumber); - break; - case GL_STACK_OVERFLOW: - Con_Printf("GL_STACK_OVERFLOW at %s:%i\n", filename, linenumber); - break; - case GL_STACK_UNDERFLOW: - Con_Printf("GL_STACK_UNDERFLOW at %s:%i\n", filename, linenumber); - break; - case GL_OUT_OF_MEMORY: - Con_Printf("GL_OUT_OF_MEMORY at %s:%i\n", filename, linenumber); - break; -#ifdef GL_TABLE_TOO_LARGE - case GL_TABLE_TOO_LARGE: - Con_Printf("GL_TABLE_TOO_LARGE at %s:%i\n", filename, linenumber); - break; -#endif - default: - Con_Printf("GL UNKNOWN (%i) at %s:%i\n", errornumber, filename, linenumber); - break; + GL_ActiveTexture(i); + GL_ClientActiveTexture(i); + unit = gl_state.units + i; + unit->t1d = 0; + unit->t2d = 0; + unit->t3d = 0; + unit->tcubemap = 0; + unit->pointer_texcoord = NULL; + unit->rgbscale = 1; + unit->alphascale = 1; + unit->combinergb = GL_MODULATE; + unit->combinealpha = GL_MODULATE; + + qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), NULL);CHECKGLERROR + qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR + + qglDisable(GL_TEXTURE_1D);CHECKGLERROR + qglDisable(GL_TEXTURE_2D);CHECKGLERROR + if (gl_texture3d) + { + qglDisable(GL_TEXTURE_3D);CHECKGLERROR + } + if (gl_texturecubemap) + { + qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR + } + if (gl_combine.integer) + { + qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_TEXTURE);CHECKGLERROR // for GL_INTERPOLATE_ARB mode + qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_ALPHA);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_PREVIOUS_ARB);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_ARB, GL_CONSTANT_ARB);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_ARB, GL_SRC_ALPHA);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_ARB, GL_SRC_ALPHA);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1);CHECKGLERROR + } + else + { + qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR + } } } -int errornumber = 0; -#endif - -// renders mesh buffers, called to flush buffers when full -void R_Mesh_Render(void) +void GL_Backend_ResetState(void) { - int i, k, blendfunc1, blendfunc2, blend, depthmask, depthtest, unit = 0, clientunit = 0, firsttriangle, endtriangle, indexcount, firstvert, endvert, texture[MAX_TEXTUREUNITS]; - float farclip, texturergbscale[MAX_TEXTUREUNITS]; - buf_mesh_t *mesh; - unsigned int *index; - // float to byte color conversion - int *icolor; - float *fcolor; - byte *bcolor; - if (!backendactive) - Sys_Error("R_Mesh_Render: called when backend is not active\n"); - if (!currentmesh) - return; + memset(&gl_state, 0, sizeof(gl_state)); + gl_state.depthtest = true; + gl_state.blendfunc1 = GL_ONE; + gl_state.blendfunc2 = GL_ZERO; + gl_state.blend = false; + gl_state.depthmask = GL_TRUE; + gl_state.color4f[0] = gl_state.color4f[1] = gl_state.color4f[2] = gl_state.color4f[3] = 1; + gl_state.lockrange_first = 0; + gl_state.lockrange_count = 0; + gl_state.pointer_vertex = NULL; + gl_state.pointer_color = NULL; -CHECKGLERROR + CHECKGLERROR - // push out farclip based on vertices - for (i = 0;i < currentvertex;i++) - { - farclip = DotProduct(buf_vertex[i].v, vpn); - if (meshfarclip < farclip) - meshfarclip = farclip; - } + qglEnable(GL_CULL_FACE);CHECKGLERROR + qglCullFace(GL_FRONT);CHECKGLERROR + qglEnable(GL_DEPTH_TEST);CHECKGLERROR + qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR + qglDisable(GL_BLEND);CHECKGLERROR + qglDepthMask(gl_state.depthmask);CHECKGLERROR - farclip = meshfarclip + 256.0f - viewdist; // + 256 just to be safe + qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), NULL);CHECKGLERROR + qglEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR - // push out farclip for next frame - if (farclip > r_newfarclip) - r_newfarclip = ceil((farclip + 255) / 256) * 256 + 256; + qglColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL);CHECKGLERROR + qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR - for (i = 0;i < backendunits;i++) - texturergbscale[i] = 1; - - glEnable(GL_CULL_FACE); -CHECKGLERROR - glCullFace(GL_FRONT); -CHECKGLERROR - depthtest = true; - glEnable(GL_DEPTH_TEST); -CHECKGLERROR - blendfunc1 = GL_ONE; - blendfunc2 = GL_ZERO; - glBlendFunc(blendfunc1, blendfunc2); -CHECKGLERROR - blend = 0; - glDisable(GL_BLEND); -CHECKGLERROR - depthmask = true; - glDepthMask((GLboolean) depthmask); -CHECKGLERROR - - glVertexPointer(3, GL_FLOAT, sizeof(buf_vertex_t), &buf_vertex[0].v[0]); -CHECKGLERROR - glEnableClientState(GL_VERTEX_ARRAY); -CHECKGLERROR - if (gl_mesh_floatcolors.integer) - { - glColorPointer(4, GL_FLOAT, sizeof(buf_fcolor_t), &buf_fcolor[0].c[0]); -CHECKGLERROR - } - else + GL_Color(0, 0, 0, 0); + GL_Color(1, 1, 1, 1); + + GL_SetupTextureState(); +} + +void GL_ActiveTexture(int num) +{ + if (gl_state.unit != num) { - // shift float to have 8bit fraction at base of number - for (i = 0, fcolor = &buf_fcolor->c[0];i < currentvertex;i++) - { - *fcolor++ += 32768.0f; - *fcolor++ += 32768.0f; - *fcolor++ += 32768.0f; - *fcolor++ += 32768.0f; - } - // then read as integer and kill float bits... - for (i = 0, icolor = (int *)&buf_fcolor->c[0], bcolor = &buf_bcolor->c[0];i < currentvertex;i++) + gl_state.unit = num; + if (qglActiveTexture) { - k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k; - k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k; - k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k; - k = (*icolor++) & 0x7FFFFF;*bcolor++ = k > 255 ? 255 : k; + qglActiveTexture(GL_TEXTURE0_ARB + gl_state.unit); + CHECKGLERROR } - glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(buf_bcolor_t), &buf_bcolor[0].c[0]); -CHECKGLERROR } - glEnableClientState(GL_COLOR_ARRAY); -CHECKGLERROR +} - if (backendunits > 1) +void GL_ClientActiveTexture(int num) +{ + if (gl_state.clientunit != num) { - for (i = 0;i < backendunits;i++) + gl_state.clientunit = num; + if (qglActiveTexture) { - qglActiveTexture(GL_TEXTURE0_ARB + (unit = i)); -CHECKGLERROR - glBindTexture(GL_TEXTURE_2D, (texture[i] = 0)); -CHECKGLERROR - glDisable(GL_TEXTURE_2D); -CHECKGLERROR - if (gl_combine.integer) - { - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_CONSTANT_ARB); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_ALPHA); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_PREVIOUS_ARB); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_ALPHA_ARB, GL_CONSTANT_ARB); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_ALPHA_ARB, GL_SRC_ALPHA); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_ALPHA_ARB, GL_SRC_ALPHA); -CHECKGLERROR - glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f); -CHECKGLERROR - glTexEnvf(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1.0f); -CHECKGLERROR - } - else - { - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); -CHECKGLERROR - } - - qglClientActiveTexture(GL_TEXTURE0_ARB + (clientunit = i)); -CHECKGLERROR - glTexCoordPointer(2, GL_FLOAT, sizeof(buf_texcoord_t), buf_texcoord[i]); -CHECKGLERROR - glEnableClientState(GL_TEXTURE_COORD_ARRAY); -CHECKGLERROR + qglClientActiveTexture(GL_TEXTURE0_ARB + gl_state.clientunit); + CHECKGLERROR } } - else - { - glBindTexture(GL_TEXTURE_2D, (texture[0] = 0)); -CHECKGLERROR - glDisable(GL_TEXTURE_2D); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); -CHECKGLERROR - - glTexCoordPointer(2, GL_FLOAT, sizeof(buf_texcoord_t), buf_texcoord[0]); -CHECKGLERROR - glEnableClientState(GL_TEXTURE_COORD_ARRAY); -CHECKGLERROR - } - - // lock as early as possible - GL_LockArray(0, currentvertex); -CHECKGLERROR +} - for (k = 0;k < currentmesh;) +void GL_BlendFunc(int blendfunc1, int blendfunc2) +{ + if (gl_state.blendfunc1 != blendfunc1 || gl_state.blendfunc2 != blendfunc2) { - mesh = &buf_mesh[k]; - - if (backendunits > 1) + qglBlendFunc(gl_state.blendfunc1 = blendfunc1, gl_state.blendfunc2 = blendfunc2);CHECKGLERROR + if (gl_state.blendfunc2 == GL_ZERO) { -// int topunit = 0; - for (i = 0;i < backendunits;i++) + if (gl_state.blendfunc1 == GL_ONE) { - if (texture[i] != mesh->textures[i]) - { - if (unit != i) - { - qglActiveTexture(GL_TEXTURE0_ARB + (unit = i)); -CHECKGLERROR - } - if (texture[i] == 0) - { - glEnable(GL_TEXTURE_2D); -CHECKGLERROR - // have to disable texcoord array on disabled texture - // units due to NVIDIA driver bug with - // compiled_vertex_array - if (clientunit != i) - { - qglClientActiveTexture(GL_TEXTURE0_ARB + (clientunit = i)); -CHECKGLERROR - } - glEnableClientState(GL_TEXTURE_COORD_ARRAY); -CHECKGLERROR - } - glBindTexture(GL_TEXTURE_2D, (texture[i] = mesh->textures[i])); -CHECKGLERROR - if (texture[i] == 0) - { - glDisable(GL_TEXTURE_2D); -CHECKGLERROR - // have to disable texcoord array on disabled texture - // units due to NVIDIA driver bug with - // compiled_vertex_array - if (clientunit != i) - { - qglClientActiveTexture(GL_TEXTURE0_ARB + (clientunit = i)); -CHECKGLERROR - } - glDisableClientState(GL_TEXTURE_COORD_ARRAY); -CHECKGLERROR - } - } - if (texturergbscale[i] != mesh->texturergbscale[i]) + if (gl_state.blend) { - if (unit != i) - { - qglActiveTexture(GL_TEXTURE0_ARB + (unit = i)); -CHECKGLERROR - } - glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (texturergbscale[i] = mesh->texturergbscale[i])); -CHECKGLERROR + gl_state.blend = 0; + qglDisable(GL_BLEND);CHECKGLERROR } -// if (texture[i]) -// topunit = i; } -// if (unit != topunit) -// { -// qglActiveTexture(GL_TEXTURE0_ARB + (unit = topunit)); -//CHECKGLERROR -// } - } - else - { - if (texture[0] != mesh->textures[0]) + else { - if (texture[0] == 0) + if (!gl_state.blend) { - glEnable(GL_TEXTURE_2D); -CHECKGLERROR - glEnableClientState(GL_TEXTURE_COORD_ARRAY); -CHECKGLERROR - } - glBindTexture(GL_TEXTURE_2D, (texture[0] = mesh->textures[0])); -CHECKGLERROR - if (texture[0] == 0) - { - glDisable(GL_TEXTURE_2D); -CHECKGLERROR - glDisableClientState(GL_TEXTURE_COORD_ARRAY); -CHECKGLERROR + gl_state.blend = 1; + qglEnable(GL_BLEND);CHECKGLERROR } } } - if (blendfunc1 != mesh->blendfunc1 || blendfunc2 != mesh->blendfunc2) + else { - blendfunc1 = mesh->blendfunc1; - blendfunc2 = mesh->blendfunc2; - glBlendFunc(blendfunc1, blendfunc2); -CHECKGLERROR - if (blendfunc2 == GL_ZERO) - { - if (blendfunc1 == GL_ONE) - { - if (blend) - { - blend = 0; - glDisable(GL_BLEND); -CHECKGLERROR - } - } - else - { - if (!blend) - { - blend = 1; - glEnable(GL_BLEND); -CHECKGLERROR - } - } - } - else + if (!gl_state.blend) { - if (!blend) - { - blend = 1; - glEnable(GL_BLEND); -CHECKGLERROR - } + gl_state.blend = 1; + qglEnable(GL_BLEND);CHECKGLERROR } } - if (depthtest != mesh->depthtest) + } +} + +void GL_DepthMask(int state) +{ + if (gl_state.depthmask != state) + { + qglDepthMask(gl_state.depthmask = state);CHECKGLERROR + } +} + +void GL_DepthTest(int state) +{ + if (gl_state.depthtest != state) + { + gl_state.depthtest = state; + if (gl_state.depthtest) { - depthtest = mesh->depthtest; - if (depthtest) - glEnable(GL_DEPTH_TEST); - else - glDisable(GL_DEPTH_TEST); + qglEnable(GL_DEPTH_TEST);CHECKGLERROR } - if (depthmask != mesh->depthmask) + else { - depthmask = mesh->depthmask; - glDepthMask((GLboolean) depthmask); -CHECKGLERROR + qglDisable(GL_DEPTH_TEST);CHECKGLERROR } + } +} - firsttriangle = mesh->firsttriangle; - firstvert = mesh->firstvert; - endtriangle = firsttriangle + mesh->triangles; - endvert = firstvert + mesh->verts; - - mesh = &buf_mesh[++k]; - if (gl_mesh_merge.integer) - { - #if MAX_TEXTUREUNITS != 4 - #error update this code - #endif - while (k < currentmesh - && mesh->firsttriangle == endtriangle - && mesh->firstvert == endvert - && mesh->depthmask == depthmask - && mesh->depthtest == depthtest - && mesh->blendfunc1 == blendfunc1 - && mesh->blendfunc2 == blendfunc2 - && mesh->textures[0] == texture[0] - && mesh->textures[1] == texture[1] - && mesh->textures[2] == texture[2] - && mesh->textures[3] == texture[3] - && mesh->texturergbscale[0] == texturergbscale[0] - && mesh->texturergbscale[1] == texturergbscale[1] - && mesh->texturergbscale[2] == texturergbscale[2] - && mesh->texturergbscale[3] == texturergbscale[3]) - { - endtriangle += mesh->triangles; - endvert += mesh->verts; - mesh = &buf_mesh[++k]; - } - } - - indexcount = (endtriangle - firsttriangle) * 3; - index = (unsigned int *)&buf_tri[firsttriangle].index[0]; - for (i = 0;i < indexcount;i++) - index[i] += firstvert; - -#ifdef WIN32 - // FIXME: dynamic link to GL so we can get DrawRangeElements on WIN32 - glDrawElements(GL_TRIANGLES, indexcount, GL_UNSIGNED_INT, index); -#else - glDrawRangeElements(GL_TRIANGLES, firstvert, endvert, indexcount, GL_UNSIGNED_INT, index); -#endif -CHECKGLERROR +void GL_VertexPointer(const float *p) +{ + if (gl_state.pointer_vertex != p) + { + gl_state.pointer_vertex = p; + CHECKGLERROR + qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), gl_state.pointer_vertex); + CHECKGLERROR } +} - currentmesh = 0; - currenttriangle = 0; - currentvertex = 0; - - GL_UnlockArray(); -CHECKGLERROR - - if (backendunits > 1) +void GL_ColorPointer(const float *p) +{ + if (gl_state.pointer_color != p) { - for (i = backendunits - 1;i >= 0;i--) + CHECKGLERROR + if (!gl_state.pointer_color) { - qglActiveTexture(GL_TEXTURE0_ARB + (unit = i)); -CHECKGLERROR - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); -CHECKGLERROR - if (gl_combine.integer) - { - glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f); -CHECKGLERROR - } - if (i > 0) - { - glDisable(GL_TEXTURE_2D); -CHECKGLERROR - } - else - { - glEnable(GL_TEXTURE_2D); -CHECKGLERROR - } - glBindTexture(GL_TEXTURE_2D, 0); -CHECKGLERROR - - qglClientActiveTexture(GL_TEXTURE0_ARB + (clientunit = i)); -CHECKGLERROR - glDisableClientState(GL_TEXTURE_COORD_ARRAY); -CHECKGLERROR + qglEnableClientState(GL_COLOR_ARRAY); + CHECKGLERROR } + else if (!p) + { + qglDisableClientState(GL_COLOR_ARRAY); + CHECKGLERROR + } + gl_state.pointer_color = p; + qglColorPointer(4, GL_FLOAT, sizeof(float[4]), gl_state.pointer_color); + CHECKGLERROR } - else +} + +void GL_Color(float cr, float cg, float cb, float ca) +{ + if (gl_state.pointer_color || gl_state.color4f[0] != cr || gl_state.color4f[1] != cg || gl_state.color4f[2] != cb || gl_state.color4f[3] != ca) { - glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); -CHECKGLERROR - glEnable(GL_TEXTURE_2D); -CHECKGLERROR - glDisableClientState(GL_TEXTURE_COORD_ARRAY); -CHECKGLERROR + GL_ColorPointer(NULL); + gl_state.color4f[0] = cr; + gl_state.color4f[1] = cg; + gl_state.color4f[2] = cb; + gl_state.color4f[3] = ca; + CHECKGLERROR + qglColor4f(cr, cg, cb, ca); + CHECKGLERROR } - glDisableClientState(GL_COLOR_ARRAY); -CHECKGLERROR - glDisableClientState(GL_VERTEX_ARRAY); -CHECKGLERROR - - glDisable(GL_BLEND); -CHECKGLERROR - glEnable(GL_DEPTH_TEST); -CHECKGLERROR - glDepthMask(true); -CHECKGLERROR - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); -CHECKGLERROR } -void R_Mesh_AddTransparent(void) +void GL_LockArrays(int first, int count) { - int i, j, k, *index; - float viewdistcompare, centerscaler, dist1, dist2, dist3, center, maxdist; - buf_vertex_t *vert1, *vert2, *vert3; - buf_transtri_t *tri; - buf_mesh_t *mesh, *transmesh; - - if (!currenttransmesh) - return; - - // convert index data to transtris for sorting - for (j = 0;j < currenttransmesh;j++) + if (gl_state.lockrange_count != count || gl_state.lockrange_first != first) { - mesh = buf_transmesh + j; - k = mesh->firsttriangle; - index = &buf_transtri[k].index[0]; - for (i = 0;i < mesh->triangles;i++) + if (gl_state.lockrange_count) { - tri = &buf_sorttranstri[k++]; - tri->mesh = mesh; - tri->index[0] = *index++; - tri->index[1] = *index++; - tri->index[2] = *index++; + gl_state.lockrange_count = 0; + CHECKGLERROR + qglUnlockArraysEXT(); + CHECKGLERROR + } + if (count && gl_supportslockarrays && gl_lockarrays.integer) + { + gl_state.lockrange_first = first; + gl_state.lockrange_count = count; + CHECKGLERROR + qglLockArraysEXT(first, count); + CHECKGLERROR } } +} + +void GL_TransformToScreen(const vec4_t in, vec4_t out) +{ + vec4_t temp; + float iw; + Matrix4x4_Transform4 (&backend_viewmatrix, in, temp); + Matrix4x4_Transform4 (&backend_projectmatrix, temp, out); + iw = 1.0f / out[3]; + out[0] = r_refdef.x + (out[0] * iw + 1.0f) * r_refdef.width * 0.5f; + out[1] = r_refdef.y + (out[1] * iw + 1.0f) * r_refdef.height * 0.5f; + out[2] = out[2] * iw; +} - // map farclip to 0-4095 list range - centerscaler = (TRANSDEPTHRES / r_farclip) * (1.0f / 3.0f); - viewdistcompare = viewdist + 4.0f; +// called at beginning of frame +void R_Mesh_Start(void) +{ + BACKENDACTIVECHECK + CHECKGLERROR + GL_Backend_ResetState(); +} - memset(buf_sorttranstri_list, 0, TRANSDEPTHRES * sizeof(buf_transtri_t *)); +int gl_backend_rebindtextures; - k = 0; - for (j = 0;j < currenttranstriangle;j++) +void GL_Backend_RenumberElements(int *out, int count, const int *in, int offset) +{ + int i; + if (offset) { - tri = &buf_sorttranstri[j]; - i = tri->mesh->firstvert; - - vert1 = &buf_transvertex[tri->index[0] + i]; - vert2 = &buf_transvertex[tri->index[1] + i]; - vert3 = &buf_transvertex[tri->index[2] + i]; - - dist1 = DotProduct(vert1->v, vpn); - dist2 = DotProduct(vert2->v, vpn); - dist3 = DotProduct(vert3->v, vpn); - - maxdist = max(dist1, max(dist2, dist3)); - if (maxdist < viewdistcompare) - continue; - - center = (dist1 + dist2 + dist3) * centerscaler - viewdist; -#if SLOWMATH - i = (int) center; - i = bound(0, i, (TRANSDEPTHRES - 1)); -#else - if (center < 0.0f) - center = 0.0f; - center += 8388608.0f; - i = *((long *)¢er) & 0x7FFFFF; - i = min(i, (TRANSDEPTHRES - 1)); -#endif - tri->next = buf_sorttranstri_list[i]; - buf_sorttranstri_list[i] = tri; - k++; + for (i = 0;i < count;i++) + *out++ = *in++ + offset; } + else + memcpy(out, in, sizeof(*out) * count); +} - for (i = 0;i < currenttransmesh;i++) - buf_transmesh[i].transchain = NULL; - transmesh = NULL; - for (j = 0;j < TRANSDEPTHRES;j++) +// renders triangles using vertices from the active arrays +int paranoidblah = 0; +void R_Mesh_Draw(int numverts, int numtriangles, const int *elements) +{ + int numelements = numtriangles * 3; + if (numverts == 0 || numtriangles == 0) + { + Con_Printf("R_Mesh_Draw(%d, %d, %08p);\n", numverts, numtriangles, elements); + return; + } + c_meshs++; + c_meshelements += numelements; + CHECKGLERROR + if (r_render.integer) { - if ((tri = buf_sorttranstri_list[j])) + if (gl_paranoid.integer) { - for (;tri;tri = tri->next) + int i, j, size; + const int *p; + if (!qglIsEnabled(GL_VERTEX_ARRAY)) + Con_Printf("R_Mesh_Draw: vertex array not enabled\n"); + for (j = 0, size = numverts * (int)sizeof(float[3]), p = gl_state.pointer_vertex;j < size;j += sizeof(int), p++) + paranoidblah += *p; + if (gl_state.pointer_color) + { + if (!qglIsEnabled(GL_COLOR_ARRAY)) + Con_Printf("R_Mesh_Draw: color array set but not enabled\n"); + for (j = 0, size = numverts * (int)sizeof(float[4]), p = gl_state.pointer_color;j < size;j += sizeof(int), p++) + paranoidblah += *p; + } + for (i = 0;i < backendunits;i++) { - if (!tri->mesh->transchain) + if (gl_state.units[i].t1d || gl_state.units[i].t2d || gl_state.units[i].t3d || gl_state.units[i].tcubemap || gl_state.units[i].arrayenabled) { - tri->mesh->chain = transmesh; - transmesh = tri->mesh; + if (gl_state.units[i].arrayenabled && !(gl_state.units[i].t1d || gl_state.units[i].t2d || gl_state.units[i].t3d || gl_state.units[i].tcubemap)) + Con_Printf("R_Mesh_Draw: array enabled but no texture bound\n"); + GL_ActiveTexture(i); + if (!qglIsEnabled(GL_TEXTURE_COORD_ARRAY)) + Con_Printf("R_Mesh_Draw: texcoord array set but not enabled\n"); + for (j = 0, size = numverts * ((gl_state.units[i].t3d || gl_state.units[i].tcubemap) ? (int)sizeof(float[3]) : (int)sizeof(float[2])), p = gl_state.units[i].pointer_texcoord;j < size;j += sizeof(int), p++) + paranoidblah += *p; + } + } + for (i = 0;i < numtriangles * 3;i++) + { + if (elements[i] < 0 || elements[i] >= numverts) + { + Con_Printf("R_Mesh_Draw: invalid vertex index %i (outside range 0 - %i) in elements list\n", elements[i], numverts); + return; } - tri->meshsortchain = tri->mesh->transchain; - tri->mesh->transchain = tri; } } - } - - for (;transmesh;transmesh = transmesh->chain) - { - if (currentmesh >= max_meshs || currenttriangle + transmesh->triangles > max_batch || currentvertex + transmesh->verts > max_verts) - R_Mesh_Render(); - - mesh = &buf_mesh[currentmesh++]; - *mesh = *transmesh; // copy mesh properties - - mesh->firstvert = currentvertex; - memcpy(&buf_vertex[currentvertex], &buf_transvertex[transmesh->firstvert], transmesh->verts * sizeof(buf_vertex_t)); - memcpy(&buf_fcolor[currentvertex], &buf_transfcolor[transmesh->firstvert], transmesh->verts * sizeof(buf_fcolor_t)); - for (i = 0;i < backendunits && transmesh->textures[i];i++) - memcpy(&buf_texcoord[i][currentvertex], &buf_transtexcoord[i][transmesh->firstvert], transmesh->verts * sizeof(buf_texcoord_t)); - currentvertex += mesh->verts; - - mesh->firsttriangle = currenttriangle; - for (tri = transmesh->transchain;tri;tri = tri->meshsortchain) + CHECKGLERROR + GL_LockArrays(0, numverts); + CHECKGLERROR + if (gl_mesh_testmanualfeeding.integer) { - buf_tri[currenttriangle].index[0] = tri->index[0]; - buf_tri[currenttriangle].index[1] = tri->index[1]; - buf_tri[currenttriangle].index[2] = tri->index[2]; - currenttriangle++; + int i, j; + const GLfloat *p; + qglBegin(GL_TRIANGLES); + for (i = 0;i < numtriangles * 3;i++) + { + for (j = 0;j < backendunits;j++) + { + if (gl_state.units[j].pointer_texcoord) + { + if (backendunits > 1) + { + if (gl_state.units[j].t3d || gl_state.units[j].tcubemap) + { + p = ((const GLfloat *)(gl_state.units[j].pointer_texcoord)) + elements[i] * 3; + qglMultiTexCoord3f(GL_TEXTURE0_ARB + j, p[0], p[1], p[2]); + } + else + { + p = ((const GLfloat *)(gl_state.units[j].pointer_texcoord)) + elements[i] * 2; + qglMultiTexCoord2f(GL_TEXTURE0_ARB + j, p[0], p[1]); + } + } + else + { + if (gl_state.units[j].t3d || gl_state.units[j].tcubemap) + { + p = ((const GLfloat *)(gl_state.units[j].pointer_texcoord)) + elements[i] * 3; + qglTexCoord3f(p[0], p[1], p[2]); + } + else + { + p = ((const GLfloat *)(gl_state.units[j].pointer_texcoord)) + elements[i] * 2; + qglTexCoord2f(p[0], p[1]); + } + } + } + } + if (gl_state.pointer_color) + { + p = ((const GLfloat *)(gl_state.pointer_color)) + elements[i] * 4; + qglColor4f(p[0], p[1], p[2], p[3]); + } + p = ((const GLfloat *)(gl_state.pointer_vertex)) + elements[i] * 3; + qglVertex3f(p[0], p[1], p[2]); + } + qglEnd(); + CHECKGLERROR } - mesh->triangles = currenttriangle - mesh->firsttriangle; + else if (gl_mesh_testarrayelement.integer) + { + int i; + qglBegin(GL_TRIANGLES); + for (i = 0;i < numtriangles * 3;i++) + { + qglArrayElement(elements[i]); + } + qglEnd(); + CHECKGLERROR + } + else if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL) + { + qglDrawRangeElements(GL_TRIANGLES, 0, numverts, numelements, GL_UNSIGNED_INT, elements);CHECKGLERROR + } + else + { + qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, elements);CHECKGLERROR + } + CHECKGLERROR + GL_LockArrays(0, 0); + CHECKGLERROR } - - currenttransmesh = 0; - currenttranstriangle = 0; - currenttransvertex = 0; } -void R_Mesh_Draw(const rmeshinfo_t *m) +// restores backend state, used when done with 3D rendering +void R_Mesh_Finish(void) { - // these are static because gcc runs out of virtual registers otherwise - static int i, j, overbright; - static float *in, scaler; - static float cr, cg, cb, ca; - static buf_mesh_t *mesh; - static buf_vertex_t *vert; - static buf_fcolor_t *fcolor; - static buf_texcoord_t *texcoord[MAX_TEXTUREUNITS]; - - if (!backendactive) - Sys_Error("R_Mesh_Draw: called when backend is not active\n"); - - if (m->index == NULL - || !m->numtriangles - || m->vertex == NULL - || !m->numverts) - Host_Error("R_Mesh_Draw: no triangles or verts\n"); - - // ignore meaningless alpha meshs - if (!m->depthwrite && m->blendfunc1 == GL_SRC_ALPHA && (m->blendfunc2 == GL_ONE || m->blendfunc2 == GL_ONE_MINUS_SRC_ALPHA)) + int i; + BACKENDACTIVECHECK + CHECKGLERROR + GL_LockArrays(0, 0); + CHECKGLERROR + + for (i = backendunits - 1;i >= 0;i--) { - if (m->color) + if (qglActiveTexture) + qglActiveTexture(GL_TEXTURE0_ARB + i);CHECKGLERROR + if (qglClientActiveTexture) + qglClientActiveTexture(GL_TEXTURE0_ARB + i);CHECKGLERROR + qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR + qglDisable(GL_TEXTURE_1D);CHECKGLERROR + qglDisable(GL_TEXTURE_2D);CHECKGLERROR + if (gl_texture3d) { - for (i = 0, in = m->color + 3;i < m->numverts;i++, (int)in += m->colorstep) - if (*in >= 0.01f) - break; - if (i == m->numverts) - return; + qglDisable(GL_TEXTURE_3D);CHECKGLERROR } - else if (m->ca < 0.01f) - return; - } - - if (!backendactive) - Sys_Error("R_Mesh_Draw: called when backend is not active\n"); - -#ifdef DEBUGGL - for (i = 0;i < m->numtriangles * 3;i++) - if ((unsigned int) m->index[i] >= (unsigned int) m->numverts) - Host_Error("R_Mesh_Draw: invalid index (%i of %i verts)\n", m->index, m->numverts); -#endif - - if (m->transparent) - { - if (currenttransmesh >= max_meshs || (currenttranstriangle + m->numtriangles) > max_meshs || (currenttransvertex + m->numverts) > max_verts) + if (gl_texturecubemap) { - if (!transranout) - { - Con_Printf("R_Mesh_Draw: ran out of room for transparent meshs\n"); - transranout = true; - } - return; + qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR } - - c_transmeshs++; - c_transtris += m->numtriangles; - vert = &buf_transvertex[currenttransvertex]; - fcolor = &buf_transfcolor[currenttransvertex]; - for (i = 0;i < backendunits;i++) - texcoord[i] = &buf_transtexcoord[i][currenttransvertex]; - - // transmesh is only for storage of transparent meshs until they - // are inserted into the main mesh array - mesh = &buf_transmesh[currenttransmesh++]; - mesh->firsttriangle = currenttranstriangle; - mesh->firstvert = currenttransvertex; - memcpy(&buf_transtri[currenttranstriangle].index[0], m->index, sizeof(int[3]) * m->numtriangles); - - currenttranstriangle += m->numtriangles; - currenttransvertex += m->numverts; - } - else - { - if (m->numtriangles > max_meshs || m->numverts > max_verts) + qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR + if (gl_combine.integer) { - Con_Printf("R_Mesh_Draw: mesh too big for buffers\n"); - return; + qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1);CHECKGLERROR } - - if (currentmesh >= max_meshs || (currenttriangle + m->numtriangles) > max_batch || (currentvertex + m->numverts) > max_verts) - R_Mesh_Render(); - - c_meshs++; - c_meshtris += m->numtriangles; - vert = &buf_vertex[currentvertex]; - fcolor = &buf_fcolor[currentvertex]; - for (i = 0;i < backendunits;i++) - texcoord[i] = &buf_texcoord[i][currentvertex]; - - // opaque meshs are rendered directly - mesh = &buf_mesh[currentmesh++]; - mesh->firsttriangle = currenttriangle; - mesh->firstvert = currentvertex; - memcpy(&buf_tri[currenttriangle].index[0], m->index, sizeof(int[3]) * m->numtriangles); - currenttriangle += m->numtriangles; - currentvertex += m->numverts; } + qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR + qglDisableClientState(GL_VERTEX_ARRAY);CHECKGLERROR + + qglDisable(GL_BLEND);CHECKGLERROR + qglEnable(GL_DEPTH_TEST);CHECKGLERROR + qglDepthMask(GL_TRUE);CHECKGLERROR + qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);CHECKGLERROR +} - // code shared for transparent and opaque meshs - mesh->blendfunc1 = m->blendfunc1; - mesh->blendfunc2 = m->blendfunc2; - mesh->depthmask = (m->blendfunc2 == GL_ZERO || m->depthwrite); - mesh->depthtest = !m->depthdisable; - mesh->triangles = m->numtriangles; - mesh->verts = m->numverts; - - overbright = false; - scaler = 1; - if (m->blendfunc2 == GL_SRC_COLOR) +void R_Mesh_Matrix(const matrix4x4_t *matrix) +{ + if (memcmp(matrix, &backend_modelmatrix, sizeof(matrix4x4_t))) { - if (m->blendfunc1 == GL_DST_COLOR) // 2x modulate with framebuffer - scaler *= 0.5f; + backend_modelmatrix = *matrix; + Matrix4x4_Concat(&backend_modelviewmatrix, &backend_viewmatrix, matrix); + Matrix4x4_Transpose(&backend_glmodelviewmatrix, &backend_modelviewmatrix); + qglLoadMatrixf(&backend_glmodelviewmatrix.m[0][0]); } - else +} + +void R_Mesh_TextureMatrix(int unitnumber, const matrix4x4_t *matrix) +{ + if (memcmp(&gl_state.units[unitnumber].matrix, matrix, sizeof(matrix4x4_t))) { - if (m->tex[0]) - { - overbright = gl_combine.integer; - if (overbright) - scaler *= 0.25f; - } - scaler *= overbrightscale; + matrix4x4_t tempmatrix; + gl_state.units[unitnumber].matrix = *matrix; + Matrix4x4_Transpose(&tempmatrix, &gl_state.units[unitnumber].matrix); + qglMatrixMode(GL_TEXTURE); + GL_ActiveTexture(unitnumber); + qglLoadMatrixf(&tempmatrix.m[0][0]); + qglMatrixMode(GL_MODELVIEW); } +} + +void R_Mesh_State_Texture(const rmeshstate_t *m) +{ + int i, combinergb, combinealpha, scale, arrayis3d; + gltextureunit_t *unit; + BACKENDACTIVECHECK - j = -1; - for (i = 0;i < backendunits;i++) + if (gl_backend_rebindtextures) { - if ((mesh->textures[i] = m->tex[i])) - j = i; - mesh->texturergbscale[i] = m->texrgbscale[i]; - if (mesh->texturergbscale[i] != 1 && mesh->texturergbscale[i] != 2 && mesh->texturergbscale[i] != 4) - mesh->texturergbscale[i] = 1; + gl_backend_rebindtextures = false; + GL_SetupTextureState(); } - if (overbright && j >= 0) - mesh->texturergbscale[j] = 4; - if (m->vertexstep != sizeof(buf_vertex_t)) + for (i = 0, unit = gl_state.units;i < backendunits;i++, unit++) { - for (i = 0, in = m->vertex;i < m->numverts;i++, (int)in += m->vertexstep) + if (unit->t1d != m->tex1d[i]) { - vert[i].v[0] = in[0]; - vert[i].v[1] = in[1]; - vert[i].v[2] = in[2]; + GL_ActiveTexture(i); + if (m->tex1d[i]) + { + if (unit->t1d == 0) + qglEnable(GL_TEXTURE_1D);CHECKGLERROR + } + else + { + if (unit->t1d) + qglDisable(GL_TEXTURE_1D);CHECKGLERROR + } + qglBindTexture(GL_TEXTURE_1D, (unit->t1d = m->tex1d[i]));CHECKGLERROR } - } - else - memcpy(vert, m->vertex, m->numverts * sizeof(buf_vertex_t)); - - if (m->color) - { - for (i = 0, in = m->color;i < m->numverts;i++, (int)in += m->colorstep) + if (unit->t2d != m->tex[i]) { - fcolor[i].c[0] = in[0] * scaler; - fcolor[i].c[1] = in[1] * scaler; - fcolor[i].c[2] = in[2] * scaler; - fcolor[i].c[3] = in[3]; + GL_ActiveTexture(i); + if (m->tex[i]) + { + if (unit->t2d == 0) + qglEnable(GL_TEXTURE_2D);CHECKGLERROR + } + else + { + if (unit->t2d) + qglDisable(GL_TEXTURE_2D);CHECKGLERROR + } + qglBindTexture(GL_TEXTURE_2D, (unit->t2d = m->tex[i]));CHECKGLERROR } - } - else - { - cr = m->cr * scaler; - cg = m->cg * scaler; - cb = m->cb * scaler; - ca = m->ca; - for (i = 0;i < m->numverts;i++) + if (unit->t3d != m->tex3d[i]) { - fcolor[i].c[0] = cr; - fcolor[i].c[1] = cg; - fcolor[i].c[2] = cb; - fcolor[i].c[3] = ca; + GL_ActiveTexture(i); + if (m->tex3d[i]) + { + if (unit->t3d == 0) + qglEnable(GL_TEXTURE_3D);CHECKGLERROR + } + else + { + if (unit->t3d) + qglDisable(GL_TEXTURE_3D);CHECKGLERROR + } + qglBindTexture(GL_TEXTURE_3D, (unit->t3d = m->tex3d[i]));CHECKGLERROR } - } - - for (j = 0;j < MAX_TEXTUREUNITS && m->tex[j];j++) - { - if (j >= backendunits) - Sys_Error("R_Mesh_Draw: texture %i supplied when there are only %i texture units\n", j + 1, backendunits); - if (m->texcoordstep[j] != sizeof(buf_texcoord_t)) + if (unit->tcubemap != m->texcubemap[i]) { - for (i = 0, in = m->texcoords[j];i < m->numverts;i++, (int)in += m->texcoordstep[j]) + GL_ActiveTexture(i); + if (m->texcubemap[i]) { - texcoord[j][i].t[0] = in[0]; - texcoord[j][i].t[1] = in[1]; + if (unit->tcubemap == 0) + qglEnable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR } + else + { + if (unit->tcubemap) + qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR + } + qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, (unit->tcubemap = m->texcubemap[i]));CHECKGLERROR } - else - memcpy(&texcoord[j][0].t[0], m->texcoords[j], m->numverts * sizeof(buf_texcoord_t)); - } - #if 0 - for (;j < backendunits;j++) - memset(&texcoord[j][0].t[0], 0, m->numverts * sizeof(buf_texcoord_t)); - #endif -} - -void R_Mesh_Draw_NativeOnly(const rmeshinfo_t *m) -{ - // these are static because gcc runs out of virtual registers otherwise - static int i, j, overbright; - static float *in, scaler; - static buf_mesh_t *mesh; - static buf_vertex_t *vert; - static buf_fcolor_t *fcolor; - static buf_texcoord_t *texcoord[MAX_TEXTUREUNITS]; - - if (!backendactive) - Sys_Error("R_Mesh_Draw: called when backend is not active\n"); - - if (m->index == NULL - || !m->numtriangles - || m->vertex == NULL - || !m->numverts) - Host_Error("R_Mesh_Draw: no triangles or verts\n"); - - // ignore meaningless alpha meshs - if (!m->depthwrite && m->blendfunc1 == GL_SRC_ALPHA && (m->blendfunc2 == GL_ONE || m->blendfunc2 == GL_ONE_MINUS_SRC_ALPHA)) - { - if (m->color) + combinergb = m->texcombinergb[i]; + if (!combinergb) + combinergb = GL_MODULATE; + if (unit->combinergb != combinergb) { - for (i = 0, in = m->color + 3;i < m->numverts;i++, (int)in += m->colorstep) - if (*in >= 0.01f) - break; - if (i == m->numverts) - return; + GL_ActiveTexture(i); + unit->combinergb = combinergb; + if (gl_combine.integer) + { + qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, unit->combinergb);CHECKGLERROR + } + else + { + qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combinergb);CHECKGLERROR + } } - else if (m->ca < 0.01f) - return; - } - - if (m->transparent) - { - if (currenttransmesh >= max_meshs || (currenttranstriangle + m->numtriangles) > max_meshs || (currenttransvertex + m->numverts) > max_verts) + combinealpha = m->texcombinealpha[i]; + if (!combinealpha) + combinealpha = GL_MODULATE; + if (unit->combinealpha != combinealpha) { - if (!transranout) + GL_ActiveTexture(i); + unit->combinealpha = combinealpha; + if (gl_combine.integer) { - Con_Printf("R_Mesh_Draw_NativeOnly: ran out of room for transparent meshs\n"); - transranout = true; + qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, unit->combinealpha);CHECKGLERROR } - return; } - - c_transmeshs++; - c_transtris += m->numtriangles; - vert = &buf_transvertex[currenttransvertex]; - fcolor = &buf_transfcolor[currenttransvertex]; - for (i = 0;i < backendunits;i++) - texcoord[i] = &buf_transtexcoord[i][currenttransvertex]; - - // transmesh is only for storage of transparent meshs until they - // are inserted into the main mesh array - mesh = &buf_transmesh[currenttransmesh++]; - mesh->firsttriangle = currenttranstriangle; - mesh->firstvert = currenttransvertex; - memcpy(&buf_transtri[currenttranstriangle].index[0], m->index, sizeof(int[3]) * m->numtriangles); - currenttranstriangle += m->numtriangles; - currenttransvertex += m->numverts; - } - else - { - if (m->numtriangles > max_meshs || m->numverts > max_verts) + scale = max(m->texrgbscale[i], 1); + if (unit->rgbscale != scale) { - Con_Printf("R_Mesh_Draw_NativeOnly: mesh too big for buffers\n"); - return; + GL_ActiveTexture(i); + qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (unit->rgbscale = scale));CHECKGLERROR } - - if (currentmesh >= max_meshs || (currenttriangle + m->numtriangles) > max_batch || (currentvertex + m->numverts) > max_verts) - R_Mesh_Render(); - - c_meshs++; - c_meshtris += m->numtriangles; - vert = &buf_vertex[currentvertex]; - fcolor = &buf_fcolor[currentvertex]; - for (i = 0;i < backendunits;i++) - texcoord[i] = &buf_texcoord[i][currentvertex]; - - // opaque meshs are rendered directly - mesh = &buf_mesh[currentmesh++]; - mesh->firsttriangle = currenttriangle; - mesh->firstvert = currentvertex; - memcpy(&buf_tri[currenttriangle].index[0], m->index, sizeof(int[3]) * m->numtriangles); - currenttriangle += m->numtriangles; - currentvertex += m->numverts; - } - - // code shared for transparent and opaque meshs - mesh->blendfunc1 = m->blendfunc1; - mesh->blendfunc2 = m->blendfunc2; - mesh->depthmask = (m->blendfunc2 == GL_ZERO || m->depthwrite); - mesh->depthtest = !m->depthdisable; - mesh->triangles = m->numtriangles; - mesh->verts = m->numverts; - - overbright = false; - scaler = 1; - if (m->blendfunc2 == GL_SRC_COLOR) - { - if (m->blendfunc1 == GL_DST_COLOR) // 2x modulate with framebuffer - scaler *= 0.5f; - } - else - { - if (m->tex[0]) + scale = max(m->texalphascale[i], 1); + if (unit->alphascale != scale) { - overbright = gl_combine.integer; - if (overbright) - scaler *= 0.25f; + GL_ActiveTexture(i); + qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, (unit->alphascale = scale));CHECKGLERROR } - scaler *= overbrightscale; - } - - j = -1; - for (i = 0;i < backendunits;i++) - { - if ((mesh->textures[i] = m->tex[i])) - j = i; - mesh->texturergbscale[i] = m->texrgbscale[i]; - if (mesh->texturergbscale[i] != 1 && mesh->texturergbscale[i] != 2 && mesh->texturergbscale[i] != 4) - mesh->texturergbscale[i] = 1; - } - if (overbright && j >= 0) - mesh->texturergbscale[j] = 4; - - if (m->vertexstep != sizeof(buf_vertex_t)) - Host_Error("R_Mesh_Draw_NativeOnly: unsupported vertexstep\n"); - if (m->colorstep != sizeof(buf_fcolor_t)) - Host_Error("R_Mesh_Draw_NativeOnly: unsupported colorstep\n"); - if (m->color == NULL) - Host_Error("R_Mesh_Draw_NativeOnly: must provide color array\n"); - for (j = 0;j < MAX_TEXTUREUNITS && m->tex[j];j++) - { - if (j >= backendunits) - Sys_Error("R_Mesh_Draw_NativeOnly: texture %i supplied when there are only %i texture units\n", j + 1, backendunits); - if (m->texcoordstep[j] != sizeof(buf_texcoord_t)) - Host_Error("R_Mesh_Draw_NativeOnly: unsupported texcoordstep\n"); - } - - memcpy(vert, m->vertex, m->numverts * sizeof(buf_vertex_t)); - for (j = 0;j < MAX_TEXTUREUNITS && m->tex[j];j++) - memcpy(&texcoord[j][0].t[0], m->texcoords[j], m->numverts * sizeof(buf_texcoord_t)); - #if 0 - for (;j < backendunits;j++) - memset(&texcoord[j][0].t[0], 0, m->numverts * sizeof(buf_texcoord_t)); - #endif - - memcpy(fcolor, m->color, m->numverts * sizeof(buf_fcolor_t)); - - // do this as a second step because memcpy preloaded the cache, which we can't easily do - if (scaler != 1) - { - for (i = 0;i < m->numverts;i++) + arrayis3d = unit->t3d || unit->tcubemap; + if (unit->pointer_texcoord != m->pointer_texcoord[i] || unit->arrayis3d != arrayis3d) { - fcolor[i].c[0] *= scaler; - fcolor[i].c[1] *= scaler; - fcolor[i].c[2] *= scaler; + GL_ClientActiveTexture(i); + if (m->pointer_texcoord[i]) + { + if (!unit->arrayenabled) + { + unit->arrayenabled = true; + qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR + } + } + else + { + if (unit->arrayenabled) + { + unit->arrayenabled = false; + qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR + } + } + unit->pointer_texcoord = m->pointer_texcoord[i]; + unit->arrayis3d = arrayis3d; + if (unit->arrayis3d) + qglTexCoordPointer(3, GL_FLOAT, sizeof(float[3]), unit->pointer_texcoord); + else + qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), unit->pointer_texcoord); + CHECKGLERROR } } } /* -void R_Mesh_Draw_GetBuffer(volatile rmeshinfo_t *m) +============================================================================== + + SCREEN SHOTS + +============================================================================== +*/ + +qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height, qboolean jpeg) { - // these are static because gcc runs out of virtual registers otherwise - static int i, j, *index, overbright; - static float *in, scaler; + qboolean ret; + int i, j; + qbyte *buffer; - if (!backendactive) - Sys_Error("R_Mesh_Draw: called when backend is not active\n"); + if (!r_render.integer) + return false; - if (!m->numtriangles - || !m->numverts) - Host_Error("R_Mesh_Draw: no triangles or verts\n"); + buffer = Mem_Alloc(tempmempool, width*height*3); + qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer); + CHECKGLERROR - scaler = 1; - if (m->blendfunc2 == GL_SRC_COLOR) - { - if (m->blendfunc1 == GL_DST_COLOR) // 2x modulate with framebuffer - scaler *= 0.5f; - } - else + // LordHavoc: compensate for v_overbrightbits when using hardware gamma + if (v_hwgamma.integer) { - if (m->tex[0]) + for (i = 0;i < width * height * 3;i++) { - overbright = gl_combine.integer; - if (overbright) - scaler *= 0.25f; + j = buffer[i] << v_overbrightbits.integer; + buffer[i] = (qbyte) (bound(0, j, 255)); } - scaler *= overbrightscale; } - if (m->transparent) + if (jpeg) + ret = JPEG_SaveImage_preflipped (filename, width, height, buffer); + else + ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer); + + Mem_Free(buffer); + return ret; +} + +//============================================================================= + +void R_ClearScreen(void) +{ + if (r_render.integer) { - if (currenttransmesh >= max_meshs || (currenttranstriangle + m->numtriangles) > max_meshs || (currenttransvertex + m->numverts) > max_verts) + // clear to black + qglClearColor(0,0,0,0);CHECKGLERROR + qglClearDepth(1);CHECKGLERROR + if (gl_stencil) { - if (!transranout) - { - Con_Printf("R_Mesh_Draw: ran out of room for transparent meshs\n"); - transranout = true; - } - return; + // LordHavoc: we use a stencil centered around 128 instead of 0, + // to avoid clamping interfering with strange shadow volume + // drawing orders + qglClearStencil(128);CHECKGLERROR } - - c_transmeshs++; - c_transtris += m->numtriangles; - m->vertex = &buf_transvertex[currenttransvertex].v[0]; - m->color = &buf_transfcolor[currenttransvertex].c[0]; - for (i = 0;i < backendunits;i++) - m->texcoords[i] = &buf_transtexcoord[i][currenttransvertex].tc[0]; - - // transmesh is only for storage of transparent meshs until they - // are inserted into the main mesh array - mesh = &buf_transmesh[currenttransmesh++]; - mesh->firsttriangle = currenttranstriangle; - mesh->firstvert = currenttransvertex; - memcpy(&buf_transtri[currenttranstriangle].index[0], m->index, sizeof(int[3]) * m->numtriangles); - currenttranstriangle += m->numtriangles; - currenttransvertex += m->numverts; - } - else - { - if (m->numtriangles > max_meshs || m->numverts > max_verts) + // clear the screen + qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));CHECKGLERROR + // set dithering mode + if (gl_dither.integer) { - Con_Printf("R_Mesh_Draw_NativeOnly: mesh too big for buffers\n"); - return; + qglEnable(GL_DITHER);CHECKGLERROR + } + else + { + qglDisable(GL_DITHER);CHECKGLERROR } - - if (currentmesh >= max_meshs || (currenttriangle + m->numtriangles) > max_batch || (currentvertex + m->numverts) > max_verts) - R_Mesh_Render(); - - c_meshs++; - c_meshtris += m->numtriangles; - vert = &buf_vertex[currentvertex]; - fcolor = &buf_fcolor[currentvertex]; - for (i = 0;i < backendunits;i++) - texcoord[i] = &buf_texcoord[i][currentvertex]; - - // opaque meshs are rendered directly - mesh = &buf_mesh[currentmesh++]; - mesh->firsttriangle = currenttriangle; - mesh->firstvert = currentvertex; - memcpy(&buf_tri[currenttriangle].index[0], m->index, sizeof(int[3]) * m->numtriangles); - currenttriangle += m->numtriangles; - currentvertex += m->numverts; } +} - // code shared for transparent and opaque meshs - mesh->blendfunc1 = m->blendfunc1; - mesh->blendfunc2 = m->blendfunc2; - mesh->depthmask = (m->blendfunc2 == GL_ZERO || m->depthwrite); - mesh->depthtest = !m->depthdisable; - mesh->triangles = m->numtriangles; - mesh->verts = m->numverts; - j = -1; - for (i = 0;i < backendunits;i++) - { - if ((mesh->textures[i] = m->tex[i])) - j = i; - mesh->texturergbscale[i] = m->texrgbscale[i]; - if (mesh->texturergbscale[i] != 1 && mesh->texturergbscale[i] != 2 && mesh->texturergbscale[i] != 4) - mesh->texturergbscale[i] = 1; - } - if (overbright && j >= 0) - mesh->texturergbscale[j] = 4; - - if (m->vertexstep != sizeof(buf_vertex_t)) - Host_Error("R_Mesh_Draw_NativeOnly: unsupported vertexstep\n"); - if (m->colorstep != sizeof(buf_fcolor_t)) - Host_Error("R_Mesh_Draw_NativeOnly: unsupported colorstep\n"); - if (m->color == NULL) - Host_Error("R_Mesh_Draw_NativeOnly: must provide color array\n"); - for (j = 0;j < MAX_TEXTUREUNITS && m->tex[j];j++) +/* +================== +SCR_UpdateScreen + +This is called every frame, and can also be called explicitly to flush +text to the screen. +================== +*/ +void SCR_UpdateScreen (void) +{ + if (gl_delayfinish.integer) { - if (j >= backendunits) - Sys_Error("R_Mesh_Draw_NativeOnly: texture %i supplied when there are only %i texture units\n", j + 1, backendunits); - if (m->texcoordstep[j] != sizeof(buf_texcoord_t)) - Host_Error("R_Mesh_Draw_NativeOnly: unsupported texcoordstep\n"); + VID_Finish (); + + R_TimeReport("finish"); } - memcpy(vert, m->vertex, m->numverts * sizeof(buf_vertex_t)); - for (j = 0;j < MAX_TEXTUREUNITS && m->tex[j];j++) - memcpy(&texcoord[j][0].t[0], m->texcoords[j], m->numverts * sizeof(buf_texcoord_t)); - #if 0 - for (;j < backendunits;j++) - memset(&texcoord[j][0].t[0], 0, m->numverts * sizeof(buf_texcoord_t)); - #endif + if (r_textureunits.integer > gl_textureunits) + Cvar_SetValueQuick(&r_textureunits, gl_textureunits); + if (r_textureunits.integer < 1) + Cvar_SetValueQuick(&r_textureunits, 1); - memcpy(fcolor, m->color, m->numverts * sizeof(buf_fcolor_t)); + if (gl_combine.integer && (!gl_combine_extension || r_textureunits.integer < 2)) + Cvar_SetValueQuick(&gl_combine, 0); - // do this as a second step because memcpy preloaded the cache, which we can't easily do - if (scaler != 1) - { - for (i = 0;i < m->numverts;i++) - { - fcolor[i].c[0] *= scaler; - fcolor[i].c[1] *= scaler; - fcolor[i].c[2] *= scaler; - } - } -} -*/ + // lighting scale + r_colorscale = 1.0f / (float) (1 << v_overbrightbits.integer); -void R_Mesh_DrawPolygon(rmeshinfo_t *m, int numverts) -{ - m->index = polyindexarray; - m->numverts = numverts; - m->numtriangles = numverts - 2; - if (m->numtriangles < 1) + // lightmaps only + r_lightmapscalebit = v_overbrightbits.integer; + if (gl_combine.integer && r_textureunits.integer > 1) + r_lightmapscalebit += 2; + + R_TimeReport("setup"); + + R_ClearScreen(); + + R_TimeReport("clear"); + + if (scr_conlines < vid.conheight && cls.signon == SIGNONS) + R_RenderView(); + + // draw 2D stuff + R_DrawQueue(); + + if (gl_delayfinish.integer) { - Con_Printf("R_Mesh_DrawPolygon: invalid vertex count\n"); - return; + // tell driver to commit it's partially full geometry queue to the rendering queue + // (this doesn't wait for the commands themselves to complete) + qglFlush(); } - if (m->numtriangles >= 256) + else { - Con_Printf("R_Mesh_DrawPolygon: only up to 256 triangles (258 verts) supported\n"); - return; + VID_Finish (); + + R_TimeReport("finish"); } - R_Mesh_Draw(m); } -/* -============================================================================== - SCREEN SHOTS +//=========================================================================== +// dynamic vertex array buffer subsystem +//=========================================================================== -============================================================================== -*/ +float varray_vertex3f[65536*3]; +float varray_color4f[65536*4]; +float varray_texcoord2f[4][65536*2]; +float varray_texcoord3f[4][65536*3]; +float varray_normal3f[65536*3]; -float CalcFov (float fov_x, float width, float height); -void R_ClearScreen(void); +//=========================================================================== +// vertex array caching subsystem +//=========================================================================== -void SCR_ScreenShot(char *filename, int x, int y, int width, int height) +typedef struct rcachearraylink_s { - int i; - byte *buffer; + struct rcachearraylink_s *next, *prev; + struct rcachearrayitem_s *data; +} +rcachearraylink_t; - buffer = Mem_Alloc(tempmempool, width*height*3); - glReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer); - CHECKGLERROR +typedef struct rcachearrayitem_s +{ + // the original request structure + rcachearrayrequest_t request; + // active + int active; + // offset into r_mesh_rcachedata + int offset; + // for linking this into the sequential list + rcachearraylink_t sequentiallink; + // for linking this into the lookup list + rcachearraylink_t hashlink; +} +rcachearrayitem_t; - // LordHavoc: compensate for v_overbrightbits when using hardware gamma - if (v_hwgamma.integer) - for (i = 0;i < width * height * 3;i++) - buffer[i] <<= v_overbrightbits.integer; +#define RCACHEARRAY_HASHSIZE 65536 +#define RCACHEARRAY_ITEMS 4096 +#define RCACHEARRAY_DEFAULTSIZE (4 << 20) - Image_WriteTGARGB_preflipped(filename, width, height, buffer); +// all active items are linked into this chain in sorted order +static rcachearraylink_t r_mesh_rcachesequentialchain; +// all inactive items are linked into this chain in unknown order +static rcachearraylink_t r_mesh_rcachefreechain; +// all active items are also linked into these chains (using their hashlink) +static rcachearraylink_t r_mesh_rcachechain[RCACHEARRAY_HASHSIZE]; - Mem_Free(buffer); -} +// all items are stored here, whether active or inactive +static rcachearrayitem_t r_mesh_rcacheitems[RCACHEARRAY_ITEMS]; -/* -================== -SCR_ScreenShot_f -================== -*/ -void SCR_ScreenShot_f (void) +// size of data buffer +static int r_mesh_rcachedata_size = RCACHEARRAY_DEFAULTSIZE; +// data buffer +static qbyte r_mesh_rcachedata[RCACHEARRAY_DEFAULTSIZE]; + +// current state +static int r_mesh_rcachedata_offset; +static rcachearraylink_t *r_mesh_rcachesequentialchain_current; + +static void R_Mesh_CacheArray_Startup(void) { int i; - char filename[16]; - char checkname[MAX_OSPATH]; -// -// find a file name to save it to -// - strcpy(filename, "dp0000.tga"); - - for (i=0 ; i<=9999 ; i++) + rcachearraylink_t *l; + // prepare all the linked lists + l = &r_mesh_rcachesequentialchain;l->next = l->prev = l;l->data = NULL; + l = &r_mesh_rcachefreechain;l->next = l->prev = l;l->data = NULL; + memset(&r_mesh_rcachechain, 0, sizeof(r_mesh_rcachechain)); + for (i = 0;i < RCACHEARRAY_HASHSIZE;i++) { - filename[2] = (i/1000)%10 + '0'; - filename[3] = (i/ 100)%10 + '0'; - filename[4] = (i/ 10)%10 + '0'; - filename[5] = (i/ 1)%10 + '0'; - sprintf (checkname, "%s/%s", com_gamedir, filename); - if (Sys_FileTime(checkname) == -1) - break; // file doesn't exist + l = &r_mesh_rcachechain[i]; + l->next = l->prev = l; + l->data = NULL; } - if (i==10000) + memset(&r_mesh_rcacheitems, 0, sizeof(r_mesh_rcacheitems)); + for (i = 0;i < RCACHEARRAY_ITEMS;i++) { - Con_Printf ("SCR_ScreenShot_f: Couldn't create a TGA file\n"); - return; - } + r_mesh_rcacheitems[i].hashlink.data = r_mesh_rcacheitems[i].sequentiallink.data = &r_mesh_rcacheitems[i]; + l = &r_mesh_rcacheitems[i].sequentiallink; + l->next = &r_mesh_rcachefreechain; + l->prev = l->next->prev; + l->next->prev = l->prev->next = l; + } + // clear other state + r_mesh_rcachedata_offset = 0; + r_mesh_rcachesequentialchain_current = &r_mesh_rcachesequentialchain; +} - SCR_ScreenShot(filename, vid.realx, vid.realy, vid.realwidth, vid.realheight); - Con_Printf ("Wrote %s\n", filename); +static void R_Mesh_CacheArray_Shutdown(void) +{ } /* -=============== -R_Envmap_f - -Grab six views for environment mapping tests -=============== -*/ -struct +static void R_Mesh_CacheArray_ValidateState(int num) { - float angles[3]; - char *name; + rcachearraylink_t *l, *lhead; + lhead = &r_mesh_rcachesequentialchain; + if (r_mesh_rcachesequentialchain_current == lhead) + return; + for (l = lhead->next;l != lhead;l = l->next) + if (r_mesh_rcachesequentialchain_current == l) + return; + Sys_Error("%i", num); } -envmapinfo[6] = -{ - {{ 0, 0, 0}, "ft"}, - {{ 0, 90, 0}, "rt"}, - {{ 0, 180, 0}, "bk"}, - {{ 0, 270, 0}, "lf"}, - {{-90, 90, 0}, "up"}, - {{ 90, 90, 0}, "dn"} -}; -static void R_Envmap_f (void) +*/ + +int R_Mesh_CacheArray(rcachearrayrequest_t *r) { - int j, size; - char filename[256], basename[256]; + rcachearraylink_t *l, *lhead, *lnext; + rcachearrayitem_t *d; + int hashindex, offset, offsetend; + + //R_Mesh_CacheArray_ValidateState(3); + // calculate a hashindex to choose a cache chain + r->data = NULL; + hashindex = CRC_Block((void *)r, sizeof(*r)) % RCACHEARRAY_HASHSIZE; - if (Cmd_Argc() != 3) + // is it already cached? + for (lhead = &r_mesh_rcachechain[hashindex], l = lhead->next;l != lhead;l = l->next) { - Con_Printf ("envmap : save out 6 cubic environment map images, usable with loadsky, note that size must one of 128, 256, 512, or 1024 and can't be bigger than your current resolution\n"); - return; + if (!memcmp(&l->data->request, r, sizeof(l->data->request))) + { + // we have it cached already + r->data = r_mesh_rcachedata + l->data->offset; + return false; + } } - if (!r_render.integer) - return; + // we need to add a new cache item, this means finding a place for the new + // data and making sure we have a free item available, lots of work... - strcpy(basename, Cmd_Argv(1)); - size = atoi(Cmd_Argv(2)); - if (size != 128 && size != 256 && size != 512 && size != 1024) + // check if buffer needs to wrap + if (r_mesh_rcachedata_offset + r->data_size > r_mesh_rcachedata_size) { - Con_Printf("envmap: size must be one of 128, 256, 512, or 1024\n"); - return; + /* + if (r->data_size * 10 > r_mesh_rcachedata_size) + { + // realloc whole cache + } + */ + // reset back to start + r_mesh_rcachedata_offset = 0; + r_mesh_rcachesequentialchain_current = &r_mesh_rcachesequentialchain; } - if (size > vid.realwidth || size > vid.realheight) + offset = r_mesh_rcachedata_offset; + r_mesh_rcachedata_offset += r->data_size; + offsetend = r_mesh_rcachedata_offset; + //R_Mesh_CacheArray_ValidateState(4); + + /* { - Con_Printf("envmap: your resolution is not big enough to render that size\n"); - return; + int n; + for (lhead = &r_mesh_rcachesequentialchain, l = lhead->next, n = 0;l != lhead;l = l->next, n++); + Con_Printf("R_Mesh_CacheArray: new data range %i:%i, %i items are already linked\n", offset, offsetend, n); } - - envmap = true; - - r_refdef.x = 0; - r_refdef.y = 0; - r_refdef.width = size; - r_refdef.height = size; - - r_refdef.fov_x = 90; - r_refdef.fov_y = 90; - - for (j = 0;j < 6;j++) + */ + + // make room for the new data (remove old items) + lhead = &r_mesh_rcachesequentialchain; + l = r_mesh_rcachesequentialchain_current; + if (l == lhead) + l = l->next; + while (l != lhead && l->data->offset < offsetend && l->data->offset + l->data->request.data_size > offset) { - sprintf(filename, "env/%s%s.tga", basename, envmapinfo[j].name); - VectorCopy(envmapinfo[j].angles, r_refdef.viewangles); - R_ClearScreen(); - R_RenderView (); - SCR_ScreenShot(filename, vid.realx, vid.realy, size, size); + //r_mesh_rcachesequentialchain_current = l; + //R_Mesh_CacheArray_ValidateState(8); + lnext = l->next; + // if at the end of the chain, wrap around + if (lnext == lhead) + lnext = lnext->next; + //r_mesh_rcachesequentialchain_current = lnext; + //R_Mesh_CacheArray_ValidateState(10); + + // unlink from sequential chain + l->next->prev = l->prev; + l->prev->next = l->next; + //R_Mesh_CacheArray_ValidateState(11); + // link into free chain + l->next = &r_mesh_rcachefreechain; + l->prev = l->next->prev; + l->next->prev = l->prev->next = l; + //R_Mesh_CacheArray_ValidateState(12); + + l = &l->data->hashlink; + // unlink from hash chain + l->next->prev = l->prev; + l->prev->next = l->next; + + l = lnext; + //r_mesh_rcachesequentialchain_current = l; + //R_Mesh_CacheArray_ValidateState(9); } - - envmap = false; -} - -//============================================================================= - -void R_ClearScreen(void) -{ - if (r_render.integer) + //r_mesh_rcachesequentialchain_current = l; + //R_Mesh_CacheArray_ValidateState(5); + // gobble an extra item if we have no free items available + if (r_mesh_rcachefreechain.next == &r_mesh_rcachefreechain) { - glClearColor(0,0,0,0); - CHECKGLERROR - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // LordHavoc: clear the screen (around the view as well) - CHECKGLERROR - if (gl_dither.integer) - glEnable(GL_DITHER); - else - glDisable(GL_DITHER); - CHECKGLERROR + lnext = l->next; + + // unlink from sequential chain + l->next->prev = l->prev; + l->prev->next = l->next; + // link into free chain + l->next = &r_mesh_rcachefreechain; + l->prev = l->next->prev; + l->next->prev = l->prev->next = l; + + l = &l->data->hashlink; + // unlink from hash chain + l->next->prev = l->prev; + l->prev->next = l->next; + + l = lnext; + } + r_mesh_rcachesequentialchain_current = l; + //R_Mesh_CacheArray_ValidateState(6); + + // now take an item from the free chain + l = r_mesh_rcachefreechain.next; + // set it up + d = l->data; + d->request = *r; + d->offset = offset; + // unlink + l->next->prev = l->prev; + l->prev->next = l->next; + // relink to sequential + l->next = r_mesh_rcachesequentialchain_current->prev; + l->prev = l->next->prev; + while (l->next->data && l->data && l->next->data->offset <= d->offset) + { + //Con_Printf(">\n"); + l->next = l->next->next; + l->prev = l->prev->next; + } + while (l->prev->data && l->data && l->prev->data->offset >= d->offset) + { + //Con_Printf("<\n"); + l->prev = l->prev->prev; + l->next = l->next->prev; } + l->next->prev = l->prev->next = l; + // also link into hash chain + l = &l->data->hashlink; + l->next = &r_mesh_rcachechain[hashindex]; + l->prev = l->next->prev; + l->prev->next = l; + l->next->prev = l->prev->next = l; + + + //r_mesh_rcachesequentialchain_current = d->sequentiallink.next; + + //R_Mesh_CacheArray_ValidateState(7); + // and finally set the data pointer + r->data = r_mesh_rcachedata + d->offset; + // and tell the caller to fill the array + return true; } -/* -================== -SCR_UpdateScreen - -This is called every frame, and can also be called explicitly to flush -text to the screen. -================== -*/ -void SCR_UpdateScreen (void) -{ - //Mem_CheckSentinelsGlobal(); - //R_TimeReport("memtest"); - - glFinish (); - CHECKGLERROR - - VID_Finish (); - - R_TimeReport("finish"); - - if (gl_combine.integer && !gl_combine_extension) - Cvar_SetValue("gl_combine", 0); - - lightscalebit = v_overbrightbits.integer; - if (gl_combine.integer && r_multitexture.integer) - lightscalebit += 2; - - lightscale = 1.0f / (float) (1 << lightscalebit); - overbrightscale = 1.0f / (float) (1 << v_overbrightbits.integer); - - R_TimeReport("setup"); - - R_ClearScreen(); - - R_TimeReport("clear"); - - if (scr_conlines < vid.conheight) - R_RenderView(); - - // draw 2D stuff - R_DrawQueue(); -}