X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=gl_backend.c;h=7dd9fefb21ac66d1efe9a48ed046bccfd7cd92c2;hb=d50445e9045ddea0d49857346597c57c129029e0;hp=aa4679e561a793d7697bcdc79d51e9045e87d5f7;hpb=80dbf4c394ba53ff5380961115999266f4f4c78b;p=xonotic%2Fdarkplaces.git diff --git a/gl_backend.c b/gl_backend.c index aa4679e5..7dd9fefb 100644 --- a/gl_backend.c +++ b/gl_backend.c @@ -1,18 +1,26 @@ #include "quakedef.h" - -cvar_t gl_mesh_maxtriangles = {0, "gl_mesh_maxtriangles", "1024"}; -cvar_t gl_mesh_floatcolors = {0, "gl_mesh_floatcolors", "1"}; -cvar_t gl_mesh_drawmode = {CVAR_SAVE, "gl_mesh_drawmode", "3"}; +#include "image.h" +#include "jpeg.h" +#include "cl_collision.h" + +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_paranoid = {0, "gl_paranoid", "0"}; +cvar_t gl_printcheckerror = {0, "gl_printcheckerror", "0"}; +cvar_t r_stereo_separation = {0, "r_stereo_separation", "4"}; +cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0"}; +cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0"}; +cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0"}; +cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0"}; cvar_t r_render = {0, "r_render", "1"}; +cvar_t r_waterwarp = {CVAR_SAVE, "r_waterwarp", "1"}; +cvar_t gl_polyblend = {CVAR_SAVE, "gl_polyblend", "1"}; cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1"}; // whether or not to use dithering cvar_t gl_lockarrays = {0, "gl_lockarrays", "1"}; -// this is used to increase gl_mesh_maxtriangles automatically if a mesh was -// too large for the buffers in the previous frame -int overflowedverts = 0; - int gl_maxdrawrangeelementsvertices; int gl_maxdrawrangeelementsindices; @@ -54,7 +62,7 @@ void GL_PrintError(int errornumber, char *filename, int linenumber) break; #endif #ifdef GL_TABLE_TOO_LARGE - case GL_TABLE_TOO_LARGE: + case GL_TABLE_TOO_LARGE: Con_Printf("GL_TABLE_TOO_LARGE at %s:%i\n", filename, linenumber); break; #endif @@ -65,275 +73,322 @@ void GL_PrintError(int errornumber, char *filename, int linenumber) } #endif -float r_mesh_farclip; +#define BACKENDACTIVECHECK if (!backendactive) Sys_Error("GL backend function called when backend is not active\n"); -static float viewdist; -// sign bits (true if negative) for vpn[] entries, so quick integer compares can be used instead of float compares -static int vpnbit0, vpnbit1, vpnbit2; +int c_meshs, c_meshelements; -int c_meshs, c_meshtris; +void SCR_ScreenShot_f (void); -int lightscalebit; -float lightscale; -float overbrightscale; +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; -void SCR_ScreenShot_f (void); +static int backendunits, backendactive; +static mempool_t *gl_backend_mempool; -static int max_meshs; -static int max_verts; // always max_meshs * 3 +/* +note: here's strip order for a terrain row: +0--1--2--3--4 +|\ |\ |\ |\ | +| \| \| \| \| +A--B--C--D--E +clockwise -typedef struct buf_mesh_s -{ - int depthmask; - int depthtest; - int blendfunc1, blendfunc2; - int textures[MAX_TEXTUREUNITS]; - int texturergbscale[MAX_TEXTUREUNITS]; - int firsttriangle; - int triangles; - int firstvert; - int verts; - matrix4x4_t matrix; - struct buf_mesh_s *chain; -} -buf_mesh_t; +A0B, 01B, B1C, 12C, C2D, 23D, D3E, 34E -typedef struct buf_tri_s -{ - int index[3]; -} -buf_tri_t; +*elements++ = i + row; +*elements++ = i; +*elements++ = i + row + 1; +*elements++ = i; +*elements++ = i + 1; +*elements++ = i + row + 1; -typedef struct + +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; +*/ + +int polygonelements[768]; -typedef struct +static void R_Mesh_CacheArray_Startup(void); +static void R_Mesh_CacheArray_Shutdown(void); +void GL_Backend_AllocArrays(void) { - qbyte c[4]; + if (!gl_backend_mempool) + gl_backend_mempool = Mem_AllocPool("GL_Backend", 0, NULL); + 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 int currentmesh, currenttriangle, currentvertex, backendunits, backendactive; -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 mempool_t *gl_backend_mempool; -static int resizingbuffers = false; static void gl_backend_start(void) { - int i; - - qglGetIntegerv(GL_MAX_ELEMENTS_VERTICES, &gl_maxdrawrangeelementsvertices); - qglGetIntegerv(GL_MAX_ELEMENTS_INDICES, &gl_maxdrawrangeelementsindices); - - Con_Printf("OpenGL Backend started with gl_mesh_maxtriangles %i\n", gl_mesh_maxtriangles.integer); + Con_DPrint("OpenGL Backend started\n"); if (qglDrawRangeElements != NULL) - Con_Printf("glDrawRangeElements detected (max vertices %i, max indices %i)\n", gl_maxdrawrangeelementsvertices, gl_maxdrawrangeelementsindices); - if (strstr(gl_renderer, "3Dfx")) { - Con_Printf("3Dfx driver detected, forcing gl_mesh_floatcolors to 0 to prevent crashs\n"); - Cvar_SetValueQuick(&gl_mesh_floatcolors, 0); + 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); } - Con_Printf("\n"); - max_verts = max_meshs * 3; - - if (!gl_backend_mempool) - gl_backend_mempool = Mem_AllocPool("GL_Backend"); - -#define BACKENDALLOC(var, count, sizeofstruct, varname)\ - {\ - var = Mem_Alloc(gl_backend_mempool, count * sizeof(sizeofstruct));\ - if (var == NULL)\ - Sys_Error("gl_backend_start: unable to allocate memory for %s (%d bytes)\n", (varname), count * sizeof(sizeofstruct));\ - memset(var, 0, count * sizeof(sizeofstruct));\ - } + backendunits = min(MAX_TEXTUREUNITS, gl_textureunits); - BACKENDALLOC(buf_mesh, max_meshs, buf_mesh_t, "buf_mesh") - BACKENDALLOC(buf_tri, max_meshs, buf_tri_t, "buf_tri") - BACKENDALLOC(buf_vertex, max_verts, buf_vertex_t, "buf_vertex") - BACKENDALLOC(buf_fcolor, max_verts, buf_fcolor_t, "buf_fcolor") - BACKENDALLOC(buf_bcolor, max_verts, buf_bcolor_t, "buf_bcolor") + 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, va("buf_texcoord[%d]", i)) - } - else - { - buf_texcoord[i] = NULL; - } - } - backendunits = min(MAX_TEXTUREUNITS, gl_textureunits); backendactive = true; } static void gl_backend_shutdown(void) { - Con_Printf("OpenGL Backend shutting down\n"); - - if (resizingbuffers) - Mem_EmptyPool(gl_backend_mempool); - else - Mem_FreePool(&gl_backend_mempool); - backendunits = 0; backendactive = false; -} - -static void gl_backend_bufferchanges(int init) -{ - if (overflowedverts > gl_mesh_maxtriangles.integer * 3) - Cvar_SetValueQuick(&gl_mesh_maxtriangles, (int) ((overflowedverts + 2) / 3)); - overflowedverts = 0; - if (gl_mesh_drawmode.integer < 0) - Cvar_SetValueQuick(&gl_mesh_drawmode, 0); - if (gl_mesh_drawmode.integer > 3) - Cvar_SetValueQuick(&gl_mesh_drawmode, 3); + Con_DPrint("OpenGL Backend shutting down\n"); - if (gl_mesh_drawmode.integer >= 3 && qglDrawRangeElements == NULL) - { - // change drawmode 3 to 2 if 3 won't work at all - Cvar_SetValueQuick(&gl_mesh_drawmode, 2); - } - - // 21760 is (65536 / 3) rounded off to a multiple of 128 - if (gl_mesh_maxtriangles.integer < 1024) - Cvar_SetValueQuick(&gl_mesh_maxtriangles, 1024); - if (gl_mesh_maxtriangles.integer > 21760) - Cvar_SetValueQuick(&gl_mesh_maxtriangles, 21760); - - 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(); } static void gl_backend_newmap(void) { } +cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0"}; +cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20"}; +cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20"}; +cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20"}; + void gl_backend_init(void) { + int i; + + 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(&r_waterwarp); + Cvar_RegisterVariable(&r_stereo_separation); + Cvar_RegisterVariable(&r_stereo_sidebyside); + Cvar_RegisterVariable(&r_stereo_redblue); + Cvar_RegisterVariable(&r_stereo_redcyan); + Cvar_RegisterVariable(&r_stereo_redgreen); + Cvar_RegisterVariable(&gl_polyblend); Cvar_RegisterVariable(&gl_dither); Cvar_RegisterVariable(&gl_lockarrays); + Cvar_RegisterVariable(&gl_paranoid); + Cvar_RegisterVariable(&gl_printcheckerror); #ifdef NORENDER Cvar_SetValue("r_render", 0); #endif - Cvar_RegisterVariable(&gl_mesh_maxtriangles); - Cvar_RegisterVariable(&gl_mesh_floatcolors); - Cvar_RegisterVariable(&gl_mesh_drawmode); + Cvar_RegisterVariable(&gl_mesh_drawrangeelements); + Cvar_RegisterVariable(&gl_mesh_testarrayelement); + Cvar_RegisterVariable(&gl_mesh_testmanualfeeding); + + Cvar_RegisterVariable(&scr_zoomwindow); + Cvar_RegisterVariable(&scr_zoomwindow_viewsizex); + Cvar_RegisterVariable(&scr_zoomwindow_viewsizey); + Cvar_RegisterVariable(&scr_zoomwindow_fov); + R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap); - gl_backend_bufferchanges(true); } -int arraylocked = false; - -void GL_LockArray(int first, int count) +void GL_SetupView_Orientation_Identity (void) { - if (!arraylocked && gl_supportslockarrays && gl_lockarrays.integer && gl_mesh_drawmode.integer > 0) - { - qglLockArraysEXT(first, count); - CHECKGLERROR - arraylocked = true; - } + Matrix4x4_CreateIdentity(&backend_viewmatrix); + memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix)); } -void GL_UnlockArray(void) +void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix) { - if (arraylocked) - { - qglUnlockArraysEXT(); - CHECKGLERROR - arraylocked = false; - } + matrix4x4_t tempmatrix, basematrix; + Matrix4x4_Invert_Simple(&tempmatrix, matrix); + Matrix4x4_CreateRotate(&basematrix, -90, 1, 0, 0); + Matrix4x4_ConcatRotate(&basematrix, 90, 0, 0, 1); + Matrix4x4_Concat(&backend_viewmatrix, &basematrix, &tempmatrix); + //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; - double fovx, fovy, zNear, zFar, aspect; + double m[16]; if (!r_render.integer) return; - qglDepthFunc (GL_LEQUAL);CHECKGLERROR - // set up viewpoint qglMatrixMode(GL_PROJECTION);CHECKGLERROR - qglLoadIdentity ();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 + qglGetDoublev(GL_PROJECTION_MATRIX, m); + 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]; + qglMatrixMode(GL_MODELVIEW);CHECKGLERROR + GL_SetupView_Orientation_Identity(); +} - // y is weird beause OpenGL is bottom to top, we use top to bottom - qglViewport(r_refdef.x, vid.realheight - (r_refdef.y + r_refdef.height), r_refdef.width, r_refdef.height);CHECKGLERROR +void GL_SetupView_Mode_PerspectiveInfiniteFarClip (double fovx, double fovy, double zNear) +{ + double nudge, m[16]; - // depth range - zNear = 1.0; - zFar = r_mesh_farclip; + if (!r_render.integer) + return; - // fov angles - fovx = r_refdef.fov_x; - fovy = r_refdef.fov_y; - aspect = r_refdef.width / r_refdef.height; + // set up viewpoint + 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] = -nudge; + m[11] = -1; + m[12] = 0; + m[13] = 0; + m[14] = -2 * zNear * nudge; + m[15] = 0; + qglLoadMatrixd(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]; +} - // pyramid slopes - xmax = zNear * tan(fovx * M_PI / 360.0) * aspect; - ymax = zNear * tan(fovy * M_PI / 360.0); +void GL_SetupView_Mode_Ortho (double x1, double y1, double x2, double y2, double zNear, double zFar) +{ + double m[16]; - // set view pyramid - qglFrustum(-xmax, xmax, -ymax, ymax, zNear, zFar);CHECKGLERROR + if (!r_render.integer) + return; + // set up viewpoint + qglMatrixMode(GL_PROJECTION);CHECKGLERROR + qglLoadIdentity();CHECKGLERROR + qglOrtho(x1, x2, y2, y1, zNear, zFar); + qglGetDoublev(GL_PROJECTION_MATRIX, m); + 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]; qglMatrixMode(GL_MODELVIEW);CHECKGLERROR - qglLoadIdentity ();CHECKGLERROR - - // put Z going up - qglRotatef (-90, 1, 0, 0);CHECKGLERROR - qglRotatef (90, 0, 0, 1);CHECKGLERROR - // camera rotation - qglRotatef (-r_refdef.viewangles[2], 1, 0, 0);CHECKGLERROR - qglRotatef (-r_refdef.viewangles[0], 0, 1, 0);CHECKGLERROR - qglRotatef (-r_refdef.viewangles[1], 0, 0, 1);CHECKGLERROR - // camera location - qglTranslatef (-r_refdef.vieworg[0], -r_refdef.vieworg[1], -r_refdef.vieworg[2]);CHECKGLERROR + GL_SetupView_Orientation_Identity(); +} + +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 + // texmatrixenabled exists only to avoid unnecessary texmatrix compares + int texmatrixenabled; + matrix4x4_t matrix; } +gltextureunit_t; static struct { @@ -341,275 +396,160 @@ static struct int blendfunc2; int blend; GLboolean depthmask; + int colormask; // stored as bottom 4 bits: r g b a (3 2 1 0 order) int depthtest; + int scissortest; int unit; int clientunit; - int texture[MAX_TEXTUREUNITS]; - float texturergbscale[MAX_TEXTUREUNITS]; + gltextureunit_t units[MAX_TEXTUREUNITS]; + float color4f[4]; + int lockrange_first; + int lockrange_count; + const void *pointer_vertex; + const void *pointer_color; } gl_state; void GL_SetupTextureState(void) { int i; - if (backendunits > 1) + gltextureunit_t *unit; + CHECKGLERROR + gl_state.unit = -1; + gl_state.clientunit = -1; + for (i = 0;i < backendunits;i++) { - for (i = 0;i < backendunits;i++) + GL_ActiveTexture(i); + GL_ClientActiveTexture(i); + unit = gl_state.units + i; + unit->t1d = 0; + unit->t2d = 0; + unit->t3d = 0; + unit->tcubemap = 0; + unit->arrayenabled = false; + unit->arrayis3d = false; + unit->pointer_texcoord = NULL; + unit->rgbscale = 1; + unit->alphascale = 1; + unit->combinergb = GL_MODULATE; + unit->combinealpha = GL_MODULATE; + unit->texmatrixenabled = false; + unit->matrix = r_identitymatrix; + qglMatrixMode(GL_TEXTURE); + qglLoadIdentity(); + qglMatrixMode(GL_MODELVIEW); + + 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) { - qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR - qglBindTexture(GL_TEXTURE_2D, gl_state.texture[i]);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_CONSTANT_ARB);CHECKGLERROR - 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, gl_state.texturergbscale[i]);CHECKGLERROR - qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1);CHECKGLERROR - } - else - { - qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR - } - if (gl_state.texture[i]) - { - qglEnable(GL_TEXTURE_2D);CHECKGLERROR - } - else - { - qglDisable(GL_TEXTURE_2D);CHECKGLERROR - } - if (gl_mesh_drawmode.integer > 0) - { - qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR - qglTexCoordPointer(2, GL_FLOAT, sizeof(buf_texcoord_t), buf_texcoord[i]);CHECKGLERROR - if (gl_state.texture[i]) - { - qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR - } - else - { - qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR - } - } + qglDisable(GL_TEXTURE_3D);CHECKGLERROR } - } - else - { - qglBindTexture(GL_TEXTURE_2D, gl_state.texture[0]);CHECKGLERROR - qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR - if (gl_state.texture[0]) + if (gl_texturecubemap) { - qglEnable(GL_TEXTURE_2D);CHECKGLERROR + qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR } - else + if (gl_combine.integer) { - qglDisable(GL_TEXTURE_2D);CHECKGLERROR + 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 } - if (gl_mesh_drawmode.integer > 0) + else { - qglTexCoordPointer(2, GL_FLOAT, sizeof(buf_texcoord_t), buf_texcoord[0]);CHECKGLERROR - if (gl_state.texture[0]) - { - qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR - } - else - { - qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR - } + qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR } } + CHECKGLERROR } -// called at beginning of frame -int usedarrays; -void R_Mesh_Start(float farclip) +void GL_Backend_ResetState(void) { - int i; - if (!backendactive) - Sys_Error("R_Mesh_Clear: called when backend is not active\n"); + 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.colormask = 15; + 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 - gl_backend_bufferchanges(false); - - currentmesh = 0; - currenttriangle = 0; - currentvertex = 0; - r_mesh_farclip = farclip; - viewdist = DotProduct(r_origin, vpn); - vpnbit0 = vpn[0] < 0; - vpnbit1 = vpn[1] < 0; - vpnbit2 = vpn[2] < 0; - - c_meshs = 0; - c_meshtris = 0; - - GL_SetupFrame(); - - gl_state.unit = 0; - gl_state.clientunit = 0; - - for (i = 0;i < backendunits;i++) - { - gl_state.texture[i] = 0; - gl_state.texturergbscale[i] = 1; - } - + qglColorMask(1, 1, 1, 1); qglEnable(GL_CULL_FACE);CHECKGLERROR qglCullFace(GL_FRONT);CHECKGLERROR - - gl_state.depthtest = true; qglEnable(GL_DEPTH_TEST);CHECKGLERROR - - gl_state.blendfunc1 = GL_ONE; - gl_state.blendfunc2 = GL_ZERO; qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR - - gl_state.blend = 0; qglDisable(GL_BLEND);CHECKGLERROR - - gl_state.depthmask = GL_TRUE; qglDepthMask(gl_state.depthmask);CHECKGLERROR - usedarrays = false; - if (gl_mesh_drawmode.integer > 0) - { - usedarrays = true; - qglVertexPointer(3, GL_FLOAT, sizeof(buf_vertex_t), &buf_vertex[0].v[0]);CHECKGLERROR - qglEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR - if (gl_mesh_floatcolors.integer) - { - qglColorPointer(4, GL_FLOAT, sizeof(buf_fcolor_t), &buf_fcolor[0].c[0]);CHECKGLERROR - } - else - { - qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(buf_bcolor_t), &buf_bcolor[0].c[0]);CHECKGLERROR - } - qglEnableClientState(GL_COLOR_ARRAY);CHECKGLERROR - } - - GL_SetupTextureState(); -} + qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), NULL);CHECKGLERROR + qglEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR -int gl_backend_rebindtextures; + qglColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL);CHECKGLERROR + qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR -void GL_ConvertColorsFloatToByte(void) -{ - int i, k, total; - // LordHavoc: to avoid problems with aliasing (treating memory as two - // different types - exactly what this is doing), these must be volatile - // (or a union) - volatile int *icolor; - volatile float *fcolor; - qbyte *bcolor; - - total = currentvertex * 4; - - // shift float to have 8bit fraction at base of number - fcolor = &buf_fcolor->c[0]; - for (i = 0;i < total;) - { - fcolor[i ] += 32768.0f; - fcolor[i + 1] += 32768.0f; - fcolor[i + 2] += 32768.0f; - fcolor[i + 3] += 32768.0f; - i += 4; - } + GL_Color(0, 0, 0, 0); + GL_Color(1, 1, 1, 1); - // then read as integer and kill float bits... - icolor = (int *)&buf_fcolor->c[0]; - bcolor = &buf_bcolor->c[0]; - for (i = 0;i < total;) - { - k = icolor[i ] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i ] = (qbyte) k; - k = icolor[i + 1] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 1] = (qbyte) k; - k = icolor[i + 2] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 2] = (qbyte) k; - k = icolor[i + 3] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 3] = (qbyte) k; - i += 4; - } + GL_SetupTextureState(); } -void GL_MeshState(buf_mesh_t *mesh) +void GL_ActiveTexture(int num) { - int i; - if (backendunits > 1) + if (gl_state.unit != num) { - for (i = 0;i < backendunits;i++) + gl_state.unit = num; + if (qglActiveTexture) { - if (gl_state.texture[i] != mesh->textures[i]) - { - if (gl_state.unit != i) - { - qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR - } - if (gl_state.texture[i] == 0) - { - qglEnable(GL_TEXTURE_2D);CHECKGLERROR - // have to disable texcoord array on disabled texture - // units due to NVIDIA driver bug with - // compiled_vertex_array - if (gl_state.clientunit != i) - { - qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR - } - qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR - } - qglBindTexture(GL_TEXTURE_2D, (gl_state.texture[i] = mesh->textures[i]));CHECKGLERROR - if (gl_state.texture[i] == 0) - { - qglDisable(GL_TEXTURE_2D);CHECKGLERROR - // have to disable texcoord array on disabled texture - // units due to NVIDIA driver bug with - // compiled_vertex_array - if (gl_state.clientunit != i) - { - qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR - } - qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR - } - } - if (gl_state.texturergbscale[i] != mesh->texturergbscale[i]) - { - if (gl_state.unit != i) - { - qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR - } - qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (gl_state.texturergbscale[i] = mesh->texturergbscale[i]));CHECKGLERROR - } + qglActiveTexture(GL_TEXTURE0_ARB + gl_state.unit); + CHECKGLERROR } } - else +} + +void GL_ClientActiveTexture(int num) +{ + if (gl_state.clientunit != num) { - if (gl_state.texture[0] != mesh->textures[0]) + gl_state.clientunit = num; + if (qglActiveTexture) { - if (gl_state.texture[0] == 0) - { - qglEnable(GL_TEXTURE_2D);CHECKGLERROR - qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR - } - qglBindTexture(GL_TEXTURE_2D, (gl_state.texture[0] = mesh->textures[0]));CHECKGLERROR - if (gl_state.texture[0] == 0) - { - qglDisable(GL_TEXTURE_2D);CHECKGLERROR - qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR - } + qglClientActiveTexture(GL_TEXTURE0_ARB + gl_state.clientunit); + CHECKGLERROR } } - if (gl_state.blendfunc1 != mesh->blendfunc1 || gl_state.blendfunc2 != mesh->blendfunc2) +} + +void GL_BlendFunc(int blendfunc1, int blendfunc2) +{ + if (gl_state.blendfunc1 != blendfunc1 || gl_state.blendfunc2 != blendfunc2) { - qglBlendFunc(gl_state.blendfunc1 = mesh->blendfunc1, gl_state.blendfunc2 = mesh->blendfunc2);CHECKGLERROR + if (r_showtrispass) + return; + qglBlendFunc(gl_state.blendfunc1 = blendfunc1, gl_state.blendfunc2 = blendfunc2);CHECKGLERROR if (gl_state.blendfunc2 == GL_ZERO) { if (gl_state.blendfunc1 == GL_ONE) @@ -638,185 +578,324 @@ void GL_MeshState(buf_mesh_t *mesh) } } } - if (gl_state.depthtest != mesh->depthtest) - { - gl_state.depthtest = mesh->depthtest; - if (gl_state.depthtest) - qglEnable(GL_DEPTH_TEST); - else - qglDisable(GL_DEPTH_TEST); - } - if (gl_state.depthmask != mesh->depthmask) - { - qglDepthMask(gl_state.depthmask = mesh->depthmask);CHECKGLERROR - } } -void GL_DrawRangeElements(int firstvert, int endvert, int indexcount, GLuint *index) +void GL_DepthMask(int state) { - unsigned int i, j, in; - if (gl_mesh_drawmode.integer >= 3/* && (endvert - firstvert) <= gl_maxdrawrangeelementsvertices && (indexcount) <= gl_maxdrawrangeelementsindices*/) + if (gl_state.depthmask != state) { - // GL 1.2 or GL 1.1 with extension - qglDrawRangeElements(GL_TRIANGLES, firstvert, endvert, indexcount, GL_UNSIGNED_INT, index); + if (r_showtrispass) + return; + qglDepthMask(gl_state.depthmask = state);CHECKGLERROR } - else if (gl_mesh_drawmode.integer >= 2) - { - // GL 1.1 - qglDrawElements(GL_TRIANGLES, indexcount, GL_UNSIGNED_INT, index); - } - else if (gl_mesh_drawmode.integer >= 1) - { - // GL 1.1 - // feed it manually using glArrayElement - qglBegin(GL_TRIANGLES); - for (i = 0;i < indexcount;i++) - qglArrayElement(index[i]); - qglEnd(); - } - else +} + +void GL_DepthTest(int state) +{ + if (gl_state.depthtest != state) { - // GL 1.1 but not using vertex arrays - 3dfx glquake minigl driver - // feed it manually - qglBegin(GL_TRIANGLES); - if (gl_state.texture[1]) // if the mesh uses multiple textures + if (r_showtrispass) + return; + gl_state.depthtest = state; + if (gl_state.depthtest) { - // the minigl doesn't have this (because it does not have ARB_multitexture) - for (i = 0;i < indexcount;i++) - { - in = index[i]; - qglColor4ub(buf_bcolor[in].c[0], buf_bcolor[in].c[1], buf_bcolor[in].c[2], buf_bcolor[in].c[3]); - for (j = 0;j < backendunits;j++) - if (gl_state.texture[j]) - qglMultiTexCoord2f(GL_TEXTURE0_ARB + j, buf_texcoord[j][in].t[0], buf_texcoord[j][in].t[1]); - qglVertex3f(buf_vertex[in].v[0], buf_vertex[in].v[1], buf_vertex[in].v[2]); - } + qglEnable(GL_DEPTH_TEST);CHECKGLERROR } else { - for (i = 0;i < indexcount;i++) - { - in = index[i]; - qglColor4ub(buf_bcolor[in].c[0], buf_bcolor[in].c[1], buf_bcolor[in].c[2], buf_bcolor[in].c[3]); - if (gl_state.texture[0]) - qglTexCoord2f(buf_texcoord[0][in].t[0], buf_texcoord[0][in].t[1]); - qglVertex3f(buf_vertex[in].v[0], buf_vertex[in].v[1], buf_vertex[in].v[2]); - } + qglDisable(GL_DEPTH_TEST);CHECKGLERROR } - qglEnd(); } } -// renders mesh buffers, called to flush buffers when full -void R_Mesh_Render(void) +void GL_ColorMask(int r, int g, int b, int a) { - int i, k; - float *v, tempv[4]; - buf_mesh_t *mesh; - - if (!backendactive) - Sys_Error("R_Mesh_Render: called when backend is not active\n"); - - if (!currentmesh) - return; - - if (!r_render.integer) + int state = r*8 + g*4 + b*2 + a*1; + if (gl_state.colormask != state) { - currentmesh = 0; - currenttriangle = 0; - currentvertex = 0; - return; + if (r_showtrispass) + return; + gl_state.colormask = state; + qglColorMask((GLboolean)r, (GLboolean)g, (GLboolean)b, (GLboolean)a);CHECKGLERROR } +} - CHECKGLERROR - - // drawmode 0 always uses byte colors - if (!gl_mesh_floatcolors.integer || gl_mesh_drawmode.integer <= 0) - GL_ConvertColorsFloatToByte(); - - if (gl_backend_rebindtextures) +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) { - gl_backend_rebindtextures = false; - GL_SetupTextureState(); + if (r_showtrispass) + return; + gl_state.color4f[0] = cr; + gl_state.color4f[1] = cg; + gl_state.color4f[2] = cb; + gl_state.color4f[3] = ca; + CHECKGLERROR + qglColor4f(gl_state.color4f[0], gl_state.color4f[1], gl_state.color4f[2], gl_state.color4f[3]); + CHECKGLERROR } +} + +void GL_ShowTrisColor(float cr, float cg, float cb, float ca) +{ + if (!r_showtrispass) + return; + r_showtrispass = false; + GL_Color(cr * r_showtris.value, cg * r_showtris.value, cb * r_showtris.value, ca); + r_showtrispass = true; +} + - GL_MeshState(buf_mesh); - for (k = 0, mesh = buf_mesh;k < currentmesh;k++, mesh++) +void GL_LockArrays(int first, int count) +{ + if (gl_state.lockrange_count != count || gl_state.lockrange_first != first) { - for (i = 0, v = buf_vertex[mesh->firstvert].v;i < mesh->verts;i++, v += 4) + if (gl_state.lockrange_count) { - VectorCopy(v, tempv); - Matrix4x4_Transform(&mesh->matrix, tempv, v); + gl_state.lockrange_count = 0; + CHECKGLERROR + qglUnlockArraysEXT(); + CHECKGLERROR } - } - GL_LockArray(0, currentvertex); - GL_DrawRangeElements(buf_mesh->firstvert, buf_mesh->firstvert + buf_mesh->verts, buf_mesh->triangles * 3, (unsigned int *)&buf_tri[buf_mesh->firsttriangle].index[0]);CHECKGLERROR - - if (currentmesh >= 2) - { - for (k = 1, mesh = buf_mesh + k;k < currentmesh;k++, mesh++) + if (count && gl_supportslockarrays && gl_lockarrays.integer && r_render.integer) { - GL_MeshState(mesh); - GL_DrawRangeElements(mesh->firstvert, mesh->firstvert + mesh->verts, mesh->triangles * 3, buf_tri[mesh->firsttriangle].index);CHECKGLERROR + gl_state.lockrange_first = first; + gl_state.lockrange_count = count; + CHECKGLERROR + qglLockArraysEXT(first, count); + CHECKGLERROR } } +} + +void GL_Scissor (int x, int y, int width, int height) +{ + CHECKGLERROR + qglScissor(x, vid.realheight - (y + height),width,height); + CHECKGLERROR +} + +void GL_ScissorTest(int state) +{ + if(gl_state.scissortest == state) + return; + + CHECKGLERROR + if((gl_state.scissortest = state)) + qglEnable(GL_SCISSOR_TEST); + else + qglDisable(GL_SCISSOR_TEST); + CHECKGLERROR +} - currentmesh = 0; - currenttriangle = 0; - currentvertex = 0; +void GL_Clear(int mask) +{ + if (r_showtrispass) + return; + qglClear(mask);CHECKGLERROR +} - GL_UnlockArray();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_view_x + (out[0] * iw + 1.0f) * r_view_width * 0.5f; + out[1] = r_view_y + (out[1] * iw + 1.0f) * r_view_height * 0.5f; + out[2] = r_view_z + (out[2] * iw + 1.0f) * r_view_depth * 0.5f; } -// restores backend state, used when done with 3D rendering -void R_Mesh_Finish(void) +// called at beginning of frame +void R_Mesh_Start(void) +{ + BACKENDACTIVECHECK + CHECKGLERROR + GL_Backend_ResetState(); +} + +int gl_backend_rebindtextures; + +void GL_Backend_RenumberElements(int *out, int count, const int *in, int offset) { int i; - // flush any queued meshs - if (currentmesh) - R_Mesh_Render(); + if (offset) + { + for (i = 0;i < count;i++) + *out++ = *in++ + offset; + } + else + memcpy(out, in, sizeof(*out) * count); +} - if (backendunits > 1) +// 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) { - for (i = backendunits - 1;i >= 0;i--) + Con_Printf("R_Mesh_Draw(%d, %d, %08p);\n", numverts, numtriangles, elements); + return; + } + CHECKGLERROR + if (r_showtrispass) + { + R_Mesh_Draw_ShowTris(numverts, numtriangles, elements); + return; + } + c_meshs++; + c_meshelements += numelements; + if (gl_paranoid.integer) + { + int i, j, size; + const int *p; + if (!qglIsEnabled(GL_VERTEX_ARRAY)) + Con_Print("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) { - qglActiveTexture(GL_TEXTURE0_ARB + i);CHECKGLERROR - qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR - if (gl_combine.integer) + if (!qglIsEnabled(GL_COLOR_ARRAY)) + Con_Print("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 (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) { - qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1);CHECKGLERROR + 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_Print("R_Mesh_Draw: array enabled but no texture bound\n"); + GL_ClientActiveTexture(i); + if (!qglIsEnabled(GL_TEXTURE_COORD_ARRAY)) + Con_Print("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; } - if (i > 0) + } + for (i = 0;i < numtriangles * 3;i++) + { + if (elements[i] < 0 || elements[i] >= numverts) { - qglDisable(GL_TEXTURE_2D);CHECKGLERROR + Con_Printf("R_Mesh_Draw: invalid vertex index %i (outside range 0 - %i) in elements list\n", elements[i], numverts); + return; } - else + } + CHECKGLERROR + } + if (r_render.integer) + { + CHECKGLERROR + if (gl_mesh_testmanualfeeding.integer) + { + int i, j; + const GLfloat *p; + qglBegin(GL_TRIANGLES); + for (i = 0;i < numtriangles * 3;i++) { - qglEnable(GL_TEXTURE_2D);CHECKGLERROR + 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]); } - qglBindTexture(GL_TEXTURE_2D, 0);CHECKGLERROR - - if (usedarrays) + qglEnd(); + CHECKGLERROR + } + else if (gl_mesh_testarrayelement.integer) + { + int i; + qglBegin(GL_TRIANGLES); + for (i = 0;i < numtriangles * 3;i++) { - qglClientActiveTexture(GL_TEXTURE0_ARB + i);CHECKGLERROR - qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR + 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 } - else +} + +// restores backend state, used when done with 3D rendering +void R_Mesh_Finish(void) +{ + int i; + BACKENDACTIVECHECK + CHECKGLERROR + GL_LockArrays(0, 0); + CHECKGLERROR + + for (i = backendunits - 1;i >= 0;i--) { + 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) + { + qglDisable(GL_TEXTURE_3D);CHECKGLERROR + } + if (gl_texturecubemap) + { + qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR + } qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR - qglEnable(GL_TEXTURE_2D);CHECKGLERROR - if (usedarrays) + if (gl_combine.integer) { - qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1);CHECKGLERROR + qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1);CHECKGLERROR } } - if (usedarrays) - { - qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR - qglDisableClientState(GL_VERTEX_ARRAY);CHECKGLERROR - } + qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR + qglDisableClientState(GL_VERTEX_ARRAY);CHECKGLERROR qglDisable(GL_BLEND);CHECKGLERROR qglEnable(GL_DEPTH_TEST);CHECKGLERROR @@ -824,116 +903,291 @@ void R_Mesh_Finish(void) qglBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);CHECKGLERROR } -void R_Mesh_ClearDepth(void) +void R_Mesh_Matrix(const matrix4x4_t *matrix) { - if (currentmesh) - R_Mesh_Render(); - R_Mesh_Finish(); - qglClear(GL_DEPTH_BUFFER_BIT); - R_Mesh_Start(r_mesh_farclip); + if (memcmp(matrix, &backend_modelmatrix, sizeof(matrix4x4_t))) + { + backend_modelmatrix = *matrix; + Matrix4x4_Concat(&backend_modelviewmatrix, &backend_viewmatrix, matrix); + Matrix4x4_Transpose(&backend_glmodelviewmatrix, &backend_modelviewmatrix); + qglLoadMatrixf(&backend_glmodelviewmatrix.m[0][0]); + } } -// allocates space in geometry buffers, and fills in pointers to the buffers in passsed struct -// (this is used for very high speed rendering, no copying) -int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m, int wantoverbright) +void R_Mesh_State(const rmeshstate_t *m) { - // these are static because gcc runs out of virtual registers otherwise - int i, j, overbright; - float scaler; - buf_mesh_t *mesh; - - if (!backendactive) - Sys_Error("R_Mesh_Draw_GetBuffer: called when backend is not active\n"); - - if (!m->numtriangles - || !m->numverts) - Host_Error("R_Mesh_Draw_GetBuffer: no triangles or verts\n"); - - // LordHavoc: removed this error condition because with floatcolors 0, - // the 3DFX driver works with very large meshs - // FIXME: we can work around this by falling back on non-array renderer if buffers are too big - //if (m->numtriangles > 1024 || m->numverts > 3072) - //{ - // Con_Printf("R_Mesh_Draw_GetBuffer: mesh too big for 3DFX drivers, rejected\n"); - // return false; - //} - - i = max(m->numtriangles * 3, m->numverts); - if (overflowedverts < i) - overflowedverts = i; - - if (m->numtriangles > max_meshs || m->numverts > max_verts) + int i, combinergb, combinealpha, scale; + gltextureunit_t *unit; + matrix4x4_t tempmatrix; + + BACKENDACTIVECHECK + + if (gl_state.pointer_vertex != m->pointer_vertex) { - Con_Printf("R_Mesh_Draw_GetBuffer: mesh too big for current gl_mesh_maxtriangles setting, increasing limits\n"); - return false; + gl_state.pointer_vertex = m->pointer_vertex; + CHECKGLERROR + qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), gl_state.pointer_vertex); + CHECKGLERROR } - if (currentmesh) + if (r_showtrispass) + return; + + if (gl_state.pointer_color != m->pointer_color) { - R_Mesh_Render(); - Con_Printf("mesh queue not empty, flushing.\n"); + CHECKGLERROR + if (!gl_state.pointer_color) + { + qglEnableClientState(GL_COLOR_ARRAY); + CHECKGLERROR + } + else if (!m->pointer_color) + { + qglDisableClientState(GL_COLOR_ARRAY); + CHECKGLERROR + // when color array is on the glColor gets trashed, set it again + qglColor4f(gl_state.color4f[0], gl_state.color4f[1], gl_state.color4f[2], gl_state.color4f[3]); + CHECKGLERROR + } + gl_state.pointer_color = m->pointer_color; + qglColorPointer(4, GL_FLOAT, sizeof(float[4]), gl_state.pointer_color); + CHECKGLERROR } - c_meshs++; - c_meshtris += m->numtriangles; - m->index = &buf_tri[currenttriangle].index[0]; - m->vertex = &buf_vertex[currentvertex].v[0]; - m->color = &buf_fcolor[currentvertex].c[0]; - for (i = 0;i < backendunits;i++) - m->texcoords[i] = &buf_texcoord[i][currentvertex].t[0]; - - // opaque meshs are rendered directly - mesh = &buf_mesh[currentmesh++]; - mesh->firsttriangle = currenttriangle; - mesh->firstvert = currentvertex; - currenttriangle += m->numtriangles; - currentvertex += m->numverts; - - 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; - mesh->matrix = m->matrix; // this copies the struct - - overbright = false; - scaler = 1; - if (m->blendfunc1 == GL_DST_COLOR) + if (gl_backend_rebindtextures) { - // check if it is a 2x modulate with framebuffer - if (m->blendfunc2 == GL_SRC_COLOR) - scaler *= 0.5f; + gl_backend_rebindtextures = false; + GL_SetupTextureState(); } - else if (m->blendfunc2 != GL_SRC_COLOR) + + for (i = 0, unit = gl_state.units;i < backendunits;i++, unit++) { - if (m->tex[0]) + // update 1d texture binding + if (unit->t1d != m->tex1d[i]) { - overbright = wantoverbright && gl_combine.integer; - if (overbright) - scaler *= 0.25f; + if (m->tex1d[i]) + { + if (unit->t1d == 0) + { + GL_ActiveTexture(i); + qglEnable(GL_TEXTURE_1D);CHECKGLERROR + } + unit->t1d = m->tex1d[i]; + GL_ActiveTexture(i); + qglBindTexture(GL_TEXTURE_1D, unit->t1d);CHECKGLERROR + } + else + { + if (unit->t1d) + { + unit->t1d = 0; + GL_ActiveTexture(i); + qglDisable(GL_TEXTURE_1D);CHECKGLERROR + } + } } - scaler *= overbrightscale; - } - m->colorscale = scaler; - - j = -1; - for (i = 0;i < MAX_TEXTUREUNITS;i++) - { - if ((mesh->textures[i] = m->tex[i])) + // update 2d texture binding + if (unit->t2d != m->tex[i]) + { + if (m->tex[i]) + { + if (unit->t2d == 0) + { + GL_ActiveTexture(i); + qglEnable(GL_TEXTURE_2D);CHECKGLERROR + } + unit->t2d = m->tex[i]; + GL_ActiveTexture(i); + qglBindTexture(GL_TEXTURE_2D, unit->t2d);CHECKGLERROR + } + else + { + if (unit->t2d) + { + unit->t2d = 0; + GL_ActiveTexture(i); + qglDisable(GL_TEXTURE_2D);CHECKGLERROR + } + } + } + // update 3d texture binding + if (unit->t3d != m->tex3d[i]) + { + if (m->tex3d[i]) + { + if (unit->t3d == 0) + { + GL_ActiveTexture(i); + qglEnable(GL_TEXTURE_3D);CHECKGLERROR + } + unit->t3d = m->tex3d[i]; + GL_ActiveTexture(i); + qglBindTexture(GL_TEXTURE_3D, unit->t3d);CHECKGLERROR + } + else + { + if (unit->t3d) + { + unit->t3d = 0; + GL_ActiveTexture(i); + qglDisable(GL_TEXTURE_3D);CHECKGLERROR + } + } + } + // update cubemap texture binding + if (unit->tcubemap != m->texcubemap[i]) + { + if (m->texcubemap[i]) + { + if (unit->tcubemap == 0) + { + GL_ActiveTexture(i); + qglEnable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR + } + unit->tcubemap = m->texcubemap[i]; + GL_ActiveTexture(i); + qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, unit->tcubemap);CHECKGLERROR + } + else + { + if (unit->tcubemap) + { + unit->tcubemap = 0; + GL_ActiveTexture(i); + qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR + } + } + } + // update texture unit settings if the unit is enabled + if (unit->t1d || unit->t2d || unit->t3d || unit->tcubemap) + { + // texture unit is enabled, enable the array + if (!unit->arrayenabled) + { + unit->arrayenabled = true; + GL_ClientActiveTexture(i); + qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR + } + // update combine settings + if (gl_combine.integer) + { + // GL_ARB_texture_env_combine + combinergb = m->texcombinergb[i] ? m->texcombinergb[i] : GL_MODULATE; + if (unit->combinergb != combinergb) + { + unit->combinergb = combinergb; + GL_ActiveTexture(i); + qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, unit->combinergb);CHECKGLERROR + } + combinealpha = m->texcombinealpha[i] ? m->texcombinealpha[i] : GL_MODULATE; + if (unit->combinealpha != combinealpha) + { + unit->combinealpha = combinealpha; + GL_ActiveTexture(i); + qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, unit->combinealpha);CHECKGLERROR + } + scale = max(m->texrgbscale[i], 1); + if (unit->rgbscale != scale) + { + GL_ActiveTexture(i); + qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (unit->rgbscale = scale));CHECKGLERROR + } + scale = max(m->texalphascale[i], 1); + if (unit->alphascale != scale) + { + GL_ActiveTexture(i); + qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, (unit->alphascale = scale));CHECKGLERROR + } + } + else + { + // normal GL texenv + combinergb = m->texcombinergb[i] ? m->texcombinergb[i] : GL_MODULATE; + if (unit->combinergb != combinergb) + { + unit->combinergb = combinergb; + GL_ActiveTexture(i); + qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combinergb);CHECKGLERROR + } + } + // update array settings + if (m->pointer_texcoord3f[i]) + { + // 3d texcoord array + if (unit->pointer_texcoord != m->pointer_texcoord3f[i] || !unit->arrayis3d) + { + unit->pointer_texcoord = m->pointer_texcoord3f[i]; + unit->arrayis3d = true; + GL_ClientActiveTexture(i); + qglTexCoordPointer(3, GL_FLOAT, sizeof(float[3]), unit->pointer_texcoord); + CHECKGLERROR + } + } + else + { + // 2d texcoord array + if (unit->pointer_texcoord != m->pointer_texcoord[i] || unit->arrayis3d) + { + unit->pointer_texcoord = m->pointer_texcoord[i]; + unit->arrayis3d = false; + GL_ClientActiveTexture(i); + qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), unit->pointer_texcoord); + CHECKGLERROR + } + } + // update texmatrix + if (m->texmatrix[i].m[3][3]) + { + // texmatrix specified, check if it is different + if (!unit->texmatrixenabled || memcmp(&unit->matrix, &m->texmatrix[i], sizeof(matrix4x4_t))) + { + unit->texmatrixenabled = true; + unit->matrix = m->texmatrix[i]; + Matrix4x4_Transpose(&tempmatrix, &unit->matrix); + qglMatrixMode(GL_TEXTURE); + GL_ActiveTexture(i); + qglLoadMatrixf(&tempmatrix.m[0][0]); + qglMatrixMode(GL_MODELVIEW); + } + } + else + { + // no texmatrix specified, revert to identity + if (unit->texmatrixenabled) + { + unit->texmatrixenabled = false; + qglMatrixMode(GL_TEXTURE); + GL_ActiveTexture(i); + qglLoadIdentity(); + qglMatrixMode(GL_MODELVIEW); + } + } + } + else { - j = i; - if (i >= backendunits) - Sys_Error("R_Mesh_Draw_GetBuffer: texture %i supplied when there are only %i texture units\n", j + 1, backendunits); + // texture unit is disabled, disable the array + if (unit->arrayenabled) + { + unit->arrayenabled = false; + GL_ClientActiveTexture(i); + qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR + } + // no need to update most settings on a disabled texture unit } - 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; +} - return true; +void R_Mesh_Draw_ShowTris(int numverts, int numtriangles, const int *elements) +{ + qglBegin(GL_LINES); + for (;numtriangles;numtriangles--, elements += 3) + { + qglArrayElement(elements[0]);qglArrayElement(elements[1]); + qglArrayElement(elements[1]);qglArrayElement(elements[2]); + qglArrayElement(elements[2]);qglArrayElement(elements[0]); + } + qglEnd(); + CHECKGLERROR } /* @@ -944,27 +1198,24 @@ int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m, int wantoverbright) ============================================================================== */ -qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height) +qboolean SCR_ScreenShot(char *filename, qbyte *buffer1, qbyte *buffer2, qbyte *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg) { + int indices[3] = {0,1,2}; qboolean ret; - int i; - qbyte *buffer; if (!r_render.integer) return false; - buffer = Mem_Alloc(tempmempool, width*height*3); - qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer); + qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer1); CHECKGLERROR - // 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; + Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices); - ret = Image_WriteTGARGB_preflipped(filename, width, height, buffer); + if (jpeg) + ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2); + else + ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer2, buffer3); - Mem_Free(buffer); return ret; } @@ -976,8 +1227,16 @@ void R_ClearScreen(void) { // clear to black qglClearColor(0,0,0,0);CHECKGLERROR + qglClearDepth(1);CHECKGLERROR + if (gl_stencil) + { + // LordHavoc: we use a stencil centered around 128 instead of 0, + // to avoid clamping interfering with strange shadow volume + // drawing orders + qglClearStencil(128);CHECKGLERROR + } // clear the screen - qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);CHECKGLERROR + GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0)); // set dithering mode if (gl_dither.integer) { @@ -990,6 +1249,102 @@ void R_ClearScreen(void) } } +/* +==================== +CalcFov +==================== +*/ +float CalcFov (float fov_x, float width, float height) +{ + // calculate vision size and alter by aspect, then convert back to angle + return atan (((height/width)/vid_pixelaspect.value)*tan(fov_x/360.0*M_PI))*360.0/M_PI; +} + +int r_stereo_side; + +void SCR_DrawScreen (void) +{ + for (r_showtrispass = 0;r_showtrispass <= (r_showtris.value > 0);r_showtrispass++) + { + R_Mesh_Start(); + + R_TimeReport("setup"); + + if (r_showtrispass) + { + rmeshstate_t m; + r_showtrispass = 0; + GL_BlendFunc(GL_ONE, GL_ONE); + GL_DepthTest(GL_FALSE); + GL_DepthMask(GL_FALSE); + memset(&m, 0, sizeof(m)); + R_Mesh_State(&m); + GL_ShowTrisColor(0.2,0.2,0.2,1); + r_showtrispass = 1; + } + + if (scr_conlines < vid.conheight && cls.signon == SIGNONS) + { + float size; + + size = scr_viewsize.value * (1.0 / 100.0); + size = min(size, 1); + + if (r_stereo_sidebyside.integer) + { + r_refdef.width = vid.realwidth * size / 2.5; + r_refdef.height = vid.realheight * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100); + r_refdef.x = (vid.realwidth - r_refdef.width * 2.5) * 0.5; + r_refdef.y = (vid.realheight - r_refdef.height)/2; + if (r_stereo_side) + r_refdef.x += r_refdef.width * 1.5; + } + else + { + r_refdef.width = vid.realwidth * size; + r_refdef.height = vid.realheight * size * (1 - bound(0, r_letterbox.value, 100) / 100); + r_refdef.x = (vid.realwidth - r_refdef.width)/2; + r_refdef.y = (vid.realheight - r_refdef.height)/2; + } + + // LordHavoc: viewzoom (zoom in for sniper rifles, etc) + r_refdef.fov_x = scr_fov.value * cl.viewzoom * r_refdef.fovscale_x; + r_refdef.fov_y = CalcFov (r_refdef.fov_x, r_refdef.width, r_refdef.height) * r_refdef.fovscale_y; + + R_RenderView(); + + if (scr_zoomwindow.integer) + { + float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0; + float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0; + r_refdef.width = vid.realwidth * sizex; + r_refdef.height = vid.realheight * sizey; + r_refdef.x = (vid.realwidth - r_refdef.width)/2; + r_refdef.y = 0; + r_refdef.fov_x = scr_zoomwindow_fov.value * r_refdef.fovscale_x; + r_refdef.fov_y = CalcFov(r_refdef.fov_x, r_refdef.width, r_refdef.height) * r_refdef.fovscale_y; + + R_RenderView(); + } + } + + if (!r_stereo_sidebyside.integer) + { + r_refdef.width = vid.realwidth; + r_refdef.height = vid.realheight; + r_refdef.x = 0; + r_refdef.y = 0; + } + + // draw 2D stuff + R_DrawQueue(); + + R_Mesh_Finish(); + + R_TimeReport("meshfinish"); + } +} + /* ================== SCR_UpdateScreen @@ -1000,10 +1355,6 @@ text to the screen. */ void SCR_UpdateScreen (void) { - VID_Finish (); - - R_TimeReport("finish"); - if (r_textureunits.integer > gl_textureunits) Cvar_SetValueQuick(&r_textureunits, gl_textureunits); if (r_textureunits.integer < 1) @@ -1012,29 +1363,389 @@ void SCR_UpdateScreen (void) if (gl_combine.integer && (!gl_combine_extension || r_textureunits.integer < 2)) Cvar_SetValueQuick(&gl_combine, 0); - // lighting scale - overbrightscale = 1.0f / (float) (1 << v_overbrightbits.integer); + // don't allow cheats in multiplayer + if (!cl.islocalgame && cl.worldmodel) + { + if (r_fullbright.integer != 0) + Cvar_Set ("r_fullbright", "0"); + if (r_ambient.value != 0) + Cvar_Set ("r_ambient", "0"); + } + + // bound viewsize + if (scr_viewsize.value < 30) + Cvar_Set ("viewsize","30"); + if (scr_viewsize.value > 120) + Cvar_Set ("viewsize","120"); + + // bound field of view + if (scr_fov.value < 1) + Cvar_Set ("fov","1"); + if (scr_fov.value > 170) + Cvar_Set ("fov","170"); + + // intermission is always full screen + if (cl.intermission) + sb_lines = 0; + else + { + if (scr_viewsize.value >= 120) + sb_lines = 0; // no status bar at all + else if (scr_viewsize.value >= 110) + sb_lines = 24; // no inventory + else + sb_lines = 24+16+8; + } - // lightmaps only - lightscalebit = v_overbrightbits.integer; - if (gl_combine.integer && r_textureunits.integer > 1) - lightscalebit += 2; - lightscale = 1.0f / (float) (1 << lightscalebit); + r_refdef.fovscale_x = 1; + r_refdef.fovscale_y = 1; + if (r_waterwarp.value > 0 && cl.worldmodel) + { + Mod_CheckLoaded(cl.worldmodel); + if (CL_PointSuperContents(r_vieworigin) & SUPERCONTENTS_LIQUIDSMASK) + { + r_refdef.fovscale_x = 1 - (((sin(cl.time * 4.7) + 1) * 0.015) * r_waterwarp.value); + r_refdef.fovscale_y = 1 - (((sin(cl.time * 3.0) + 1) * 0.015) * r_waterwarp.value); + } + } - R_TimeReport("setup"); + r_refdef.colormask[0] = 1; + r_refdef.colormask[1] = 1; + r_refdef.colormask[2] = 1; - R_ClearScreen(); + CHECKGLERROR + qglViewport(0, 0, vid.realwidth, vid.realheight); + qglDisable(GL_SCISSOR_TEST); + qglDepthMask(1); + qglColorMask(1,1,1,1); + qglClearColor(0,0,0,0); + qglClear(GL_COLOR_BUFFER_BIT); + CHECKGLERROR R_TimeReport("clear"); - if (scr_conlines < vid.conheight) - R_RenderView(); + if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer) + { + matrix4x4_t originalmatrix = r_refdef.viewentitymatrix; + r_refdef.viewentitymatrix.m[0][3] = originalmatrix.m[0][3] + r_stereo_separation.value * -0.5f * r_refdef.viewentitymatrix.m[0][0]; + r_refdef.viewentitymatrix.m[1][3] = originalmatrix.m[1][3] + r_stereo_separation.value * -0.5f * r_refdef.viewentitymatrix.m[0][1]; + r_refdef.viewentitymatrix.m[2][3] = originalmatrix.m[2][3] + r_stereo_separation.value * -0.5f * r_refdef.viewentitymatrix.m[0][2]; + + if (r_stereo_sidebyside.integer) + r_stereo_side = 0; + + if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer) + { + r_refdef.colormask[0] = 1; + r_refdef.colormask[1] = 0; + r_refdef.colormask[2] = 0; + } + + SCR_DrawScreen(); + + r_refdef.viewentitymatrix.m[0][3] = originalmatrix.m[0][3] + r_stereo_separation.value * 0.5f * r_refdef.viewentitymatrix.m[0][0]; + r_refdef.viewentitymatrix.m[1][3] = originalmatrix.m[1][3] + r_stereo_separation.value * 0.5f * r_refdef.viewentitymatrix.m[0][1]; + r_refdef.viewentitymatrix.m[2][3] = originalmatrix.m[2][3] + r_stereo_separation.value * 0.5f * r_refdef.viewentitymatrix.m[0][2]; + + if (r_stereo_sidebyside.integer) + r_stereo_side = 1; + + if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer) + { + r_refdef.colormask[0] = 0; + r_refdef.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer; + r_refdef.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer; + } + + SCR_DrawScreen(); + + r_refdef.viewentitymatrix = originalmatrix; + } + else + { + r_showtrispass = false; + SCR_DrawScreen(); + + if (r_showtris.value > 0) + { + rmeshstate_t m; + GL_BlendFunc(GL_ONE, GL_ONE); + GL_DepthTest(GL_FALSE); + GL_DepthMask(GL_FALSE); + memset(&m, 0, sizeof(m)); + R_Mesh_State(&m); + r_showtrispass = true; + GL_ShowTrisColor(0.2,0.2,0.2,1); + SCR_DrawScreen(); + r_showtrispass = false; + } + } + + VID_Finish(); + R_TimeReport("finish"); +} + + +//=========================================================================== +// dynamic vertex array buffer subsystem +//=========================================================================== + +// FIXME: someday this should be dynamically allocated and resized? +float varray_vertex3f[65536*3]; +float varray_svector3f[65536*3]; +float varray_tvector3f[65536*3]; +float varray_normal3f[65536*3]; +float varray_color4f[65536*4]; +float varray_texcoord2f[4][65536*2]; +float varray_texcoord3f[4][65536*3]; +int earray_element3i[65536]; +float varray_vertex3f2[65536*3]; + +//=========================================================================== +// vertex array caching subsystem +//=========================================================================== + +typedef struct rcachearraylink_s +{ + struct rcachearraylink_s *next, *prev; + struct rcachearrayitem_s *data; +} +rcachearraylink_t; + +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; + +#define RCACHEARRAY_HASHSIZE 65536 +#define RCACHEARRAY_ITEMS 4096 +#define RCACHEARRAY_DEFAULTSIZE (4 << 20) + +// 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]; + +// all items are stored here, whether active or inactive +static rcachearrayitem_t r_mesh_rcacheitems[RCACHEARRAY_ITEMS]; + +// 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; + 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++) + { + l = &r_mesh_rcachechain[i]; + l->next = l->prev = l; + l->data = NULL; + } + memset(&r_mesh_rcacheitems, 0, sizeof(r_mesh_rcacheitems)); + for (i = 0;i < RCACHEARRAY_ITEMS;i++) + { + 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; +} + +static void R_Mesh_CacheArray_Shutdown(void) +{ +} + +/* +static void R_Mesh_CacheArray_ValidateState(int num) +{ + 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); +} +*/ - // draw 2D stuff - R_DrawQueue(); +int R_Mesh_CacheArray(rcachearrayrequest_t *r) +{ + rcachearraylink_t *l, *lhead, *lnext; + rcachearrayitem_t *d; + int hashindex, offset, offsetend; - // 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(); + //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; + + // is it already cached? + for (lhead = &r_mesh_rcachechain[hashindex], l = lhead->next;l != lhead;l = l->next) + { + 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; + } + } + + // 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... + + // check if buffer needs to wrap + if (r_mesh_rcachedata_offset + r->data_size > r_mesh_rcachedata_size) + { + /* + 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; + } + offset = r_mesh_rcachedata_offset; + r_mesh_rcachedata_offset += r->data_size; + offsetend = r_mesh_rcachedata_offset; + //R_Mesh_CacheArray_ValidateState(4); + + /* + { + 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); + } + */ + + // 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) + { + //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); + } + //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) + { + 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_Print(">\n"); + l->next = l->next->next; + l->prev = l->prev->next; + } + while (l->prev->data && l->data && l->prev->data->offset >= d->offset) + { + //Con_Print("<\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; }