2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 cvar_t r_textshadow = {0, "r_textshadow", "0", "draws a shadow on all text to improve readability"};
29 static rtexture_t *char_texture;
30 cachepic_t *r_crosshairs[NUMCROSSHAIRS+1];
32 //=============================================================================
33 /* Support Routines */
35 #define FONT_FILESIZE 13468
36 #define MAX_CACHED_PICS 1024
37 #define CACHEPICHASHSIZE 256
38 static cachepic_t *cachepichash[CACHEPICHASHSIZE];
39 static cachepic_t cachepics[MAX_CACHED_PICS];
40 static int numcachepics;
42 static rtexturepool_t *drawtexturepool;
44 static unsigned char concharimage[FONT_FILESIZE] =
49 static rtexture_t *draw_generateconchars(void)
52 unsigned char buffer[65536][4], *data = NULL;
55 data = LoadTGA (concharimage, FONT_FILESIZE, 256, 256);
57 for (i = 0;i < 8192;i++)
59 random = lhrandom (0.0,1.0);
60 buffer[i][0] = 83 + (unsigned char)(random * 64);
61 buffer[i][1] = 71 + (unsigned char)(random * 32);
62 buffer[i][2] = 23 + (unsigned char)(random * 16);
63 buffer[i][3] = data[i*4+0];
66 for (i = 8192;i < 32768;i++)
68 random = lhrandom (0.0,1.0);
69 buffer[i][0] = 95 + (unsigned char)(random * 64);
70 buffer[i][1] = 95 + (unsigned char)(random * 64);
71 buffer[i][2] = 95 + (unsigned char)(random * 64);
72 buffer[i][3] = data[i*4+0];
75 for (i = 32768;i < 40960;i++)
77 random = lhrandom (0.0,1.0);
78 buffer[i][0] = 83 + (unsigned char)(random * 64);
79 buffer[i][1] = 71 + (unsigned char)(random * 32);
80 buffer[i][2] = 23 + (unsigned char)(random * 16);
81 buffer[i][3] = data[i*4+0];
84 for (i = 40960;i < 65536;i++)
86 random = lhrandom (0.0,1.0);
87 buffer[i][0] = 96 + (unsigned char)(random * 64);
88 buffer[i][1] = 43 + (unsigned char)(random * 32);
89 buffer[i][2] = 27 + (unsigned char)(random * 32);
90 buffer[i][3] = data[i*4+0];
94 Image_WriteTGARGBA ("gfx/generated_conchars.tga", 256, 256, &buffer[0][0]);
98 return R_LoadTexture2D(drawtexturepool, "conchars", 256, 256, &buffer[0][0], TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
101 static char *pointerimage =
120 static rtexture_t *draw_generatemousepointer(void)
123 unsigned char buffer[256][4];
124 for (i = 0;i < 256;i++)
126 if (pointerimage[i] == '.')
135 buffer[i][0] = (pointerimage[i] - '0') * 16;
136 buffer[i][1] = (pointerimage[i] - '0') * 16;
137 buffer[i][2] = (pointerimage[i] - '0') * 16;
141 return R_LoadTexture2D(drawtexturepool, "mousepointer", 16, 16, &buffer[0][0], TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
144 static char *crosshairtexdata[NUMCROSSHAIRS] =
249 static rtexture_t *draw_generatecrosshair(int num)
253 unsigned char data[16*16][4];
254 in = crosshairtexdata[num];
255 for (i = 0;i < 16*16;i++)
266 data[i][0] = data[i][1] = data[i][2] = (unsigned char) ((int) (in[i] - '0') * 127 / 7 + 128);
270 return R_LoadTexture2D(drawtexturepool, va("crosshair%i", num), 16, 16, &data[0][0], TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
273 static rtexture_t *draw_generateditherpattern(void)
277 unsigned char data[8*8*4];
278 for (y = 0;y < 8;y++)
280 for (x = 0;x < 8;x++)
282 data[(y*8+x)*4+0] = data[(y*8+x)*4+1] = data[(y*8+x)*4+2] = ((x^y) & 4) ? 255 : 0;
283 data[(y*8+x)*4+3] = 255;
286 return R_LoadTexture2D(drawtexturepool, "ditherpattern", 8, 8, data, TEXTYPE_RGBA, TEXF_FORCENEAREST | TEXF_PRECACHE, NULL);
288 unsigned char data[16];
289 memset(data, 255, sizeof(data));
290 data[0] = data[1] = data[2] = data[12] = data[13] = data[14] = 0;
291 return R_LoadTexture2D(drawtexturepool, "ditherpattern", 2, 2, data, TEXTYPE_RGBA, TEXF_FORCENEAREST | TEXF_PRECACHE, NULL);
300 // FIXME: move this to client somehow
301 cachepic_t *Draw_CachePic (const char *path, qboolean persistent)
307 unsigned char *lmpdata;
308 char lmpname[MAX_QPATH];
310 if (!strncmp(CLVIDEOPREFIX, path, sizeof(CLVIDEOPREFIX) - 1))
314 video = CL_GetVideoByName(path);
319 crc = CRC_Block((unsigned char *)path, strlen(path));
320 hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
321 for (pic = cachepichash[hashkey];pic;pic = pic->chain)
322 if (!strcmp (path, pic->name))
325 if (numcachepics == MAX_CACHED_PICS)
327 Con_Printf ("Draw_CachePic: numcachepics == MAX_CACHED_PICS\n");
328 // FIXME: support NULL in callers?
329 return cachepics; // return the first one
331 pic = cachepics + (numcachepics++);
332 strlcpy (pic->name, path, sizeof(pic->name));
334 pic->chain = cachepichash[hashkey];
335 cachepichash[hashkey] = pic;
339 flags |= TEXF_PRECACHE;
340 if (!strcmp(path, "gfx/colorcontrol/ditherpattern"))
343 // load a high quality image from disk if possible
344 pic->tex = loadtextureimage(drawtexturepool, path, 0, 0, false, flags);
345 if (pic->tex == NULL && !strncmp(path, "gfx/", 4))
347 // compatibility with older versions which did not require gfx/ prefix
348 pic->tex = loadtextureimage(drawtexturepool, path + 4, 0, 0, false, flags);
350 // if a high quality image was loaded, set the pic's size to match it, just
351 // in case there's no low quality version to get the size from
354 pic->width = R_TextureWidth(pic->tex);
355 pic->height = R_TextureHeight(pic->tex);
358 // now read the low quality version (wad or lmp file), and take the pic
359 // size from that even if we don't upload the texture, this way the pics
360 // show up the right size in the menu even if they were replaced with
361 // higher or lower resolution versions
362 dpsnprintf(lmpname, sizeof(lmpname), "%s.lmp", path);
363 if (!strncmp(path, "gfx/", 4) && (lmpdata = FS_LoadFile(lmpname, tempmempool, false, &lmpsize)))
367 pic->width = lmpdata[0] + lmpdata[1] * 256 + lmpdata[2] * 65536 + lmpdata[3] * 16777216;
368 pic->height = lmpdata[4] + lmpdata[5] * 256 + lmpdata[6] * 65536 + lmpdata[7] * 16777216;
369 // if no high quality replacement image was found, upload the original low quality texture
371 pic->tex = R_LoadTexture2D(drawtexturepool, path, pic->width, pic->height, lmpdata + 8, TEXTYPE_PALETTE, flags, palette_transparent);
375 else if ((lmpdata = W_GetLumpName (path + 4)))
377 if (!strcmp(path, "gfx/conchars"))
379 // conchars is a raw image and with color 0 as transparent instead of 255
382 // if no high quality replacement image was found, upload the original low quality texture
384 pic->tex = R_LoadTexture2D(drawtexturepool, path, 128, 128, lmpdata, TEXTYPE_PALETTE, flags, palette_font);
388 pic->width = lmpdata[0] + lmpdata[1] * 256 + lmpdata[2] * 65536 + lmpdata[3] * 16777216;
389 pic->height = lmpdata[4] + lmpdata[5] * 256 + lmpdata[6] * 65536 + lmpdata[7] * 16777216;
390 // if no high quality replacement image was found, upload the original low quality texture
392 pic->tex = R_LoadTexture2D(drawtexturepool, path, pic->width, pic->height, lmpdata + 8, TEXTYPE_PALETTE, flags, palette_transparent);
396 // if it's not found on disk, check if it's one of the builtin images
397 if (pic->tex == NULL)
399 if (pic->tex == NULL && !strcmp(path, "gfx/conchars"))
400 pic->tex = draw_generateconchars();
401 if (pic->tex == NULL && !strcmp(path, "ui/mousepointer"))
402 pic->tex = draw_generatemousepointer();
403 if (pic->tex == NULL && !strcmp(path, "gfx/prydoncursor001"))
404 pic->tex = draw_generatemousepointer();
405 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair1"))
406 pic->tex = draw_generatecrosshair(0);
407 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair2"))
408 pic->tex = draw_generatecrosshair(1);
409 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair3"))
410 pic->tex = draw_generatecrosshair(2);
411 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair4"))
412 pic->tex = draw_generatecrosshair(3);
413 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair5"))
414 pic->tex = draw_generatecrosshair(4);
415 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair6"))
416 pic->tex = draw_generatecrosshair(5);
417 if (pic->tex == NULL && !strcmp(path, "gfx/colorcontrol/ditherpattern"))
418 pic->tex = draw_generateditherpattern();
419 if (pic->tex == NULL)
421 Con_Printf("Draw_CachePic: failed to load %s\n", path);
422 pic->tex = r_texture_notexture;
424 pic->width = R_TextureWidth(pic->tex);
425 pic->height = R_TextureHeight(pic->tex);
431 cachepic_t *Draw_NewPic(const char *picname, int width, int height, int alpha, unsigned char *pixels)
436 crc = CRC_Block((unsigned char *)picname, strlen(picname));
437 hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
438 for (pic = cachepichash[hashkey];pic;pic = pic->chain)
439 if (!strcmp (picname, pic->name))
444 if (pic->tex && pic->width == width && pic->height == height)
446 R_UpdateTexture(pic->tex, pixels, 0, 0, width, height);
454 if (numcachepics == MAX_CACHED_PICS)
456 Con_Printf ("Draw_NewPic: numcachepics == MAX_CACHED_PICS\n");
457 // FIXME: support NULL in callers?
458 return cachepics; // return the first one
460 pic = cachepics + (numcachepics++);
461 strlcpy (pic->name, picname, sizeof(pic->name));
463 pic->chain = cachepichash[hashkey];
464 cachepichash[hashkey] = pic;
469 pic->height = height;
471 R_FreeTexture(pic->tex);
472 pic->tex = R_LoadTexture2D(drawtexturepool, picname, width, height, pixels, TEXTYPE_RGBA, alpha ? TEXF_ALPHA : 0, NULL);
476 void Draw_FreePic(const char *picname)
481 // this doesn't really free the pic, but does free it's texture
482 crc = CRC_Block((unsigned char *)picname, strlen(picname));
483 hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
484 for (pic = cachepichash[hashkey];pic;pic = pic->chain)
486 if (!strcmp (picname, pic->name) && pic->tex)
488 R_FreeTexture(pic->tex);
501 static void gl_draw_start(void)
504 drawtexturepool = R_AllocTexturePool();
507 memset(cachepichash, 0, sizeof(cachepichash));
509 char_texture = Draw_CachePic("gfx/conchars", true)->tex;
510 for (i = 1;i <= NUMCROSSHAIRS;i++)
511 r_crosshairs[i] = Draw_CachePic(va("gfx/crosshair%i", i), true);
514 static void gl_draw_shutdown(void)
516 R_FreeTexturePool(&drawtexturepool);
519 memset(cachepichash, 0, sizeof(cachepichash));
522 static void gl_draw_newmap(void)
526 void GL_Draw_Init (void)
528 Cvar_RegisterVariable(&r_textshadow);
529 R_RegisterModule("GL_Draw", gl_draw_start, gl_draw_shutdown, gl_draw_newmap);
532 static void _DrawQ_Setup(void)
534 if (r_refdef.draw2dstage)
536 r_refdef.draw2dstage = true;
538 qglViewport(r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
539 GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
540 GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
541 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
542 qglDisable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
543 R_Mesh_Matrix(&identitymatrix);
549 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
551 if (gl_support_fragment_shader)
553 qglUseProgramObjectARB(0);CHECKGLERROR
557 static void _DrawQ_ProcessDrawFlag(int flags)
561 if(flags == DRAWFLAG_ADDITIVE)
562 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
563 else if(flags == DRAWFLAG_MODULATE)
564 GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
565 else if(flags == DRAWFLAG_2XMODULATE)
566 GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
568 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
571 void DrawQ_Pic(float x, float y, cachepic_t *pic, float width, float height, float red, float green, float blue, float alpha, int flags)
573 DrawQ_SuperPic(x,y,pic,width,height,0,0,red,green,blue,alpha,1,0,red,green,blue,alpha,0,1,red,green,blue,alpha,1,1,red,green,blue,alpha,flags);
576 void DrawQ_String_Real(float x, float y, const char *string, int maxlen, float w, float h, float red, float green, float blue, float alpha, int flags)
581 float vertex3f[QUADELEMENTS_MAXQUADS*4*3];
582 float texcoord2f[QUADELEMENTS_MAXQUADS*4*2];
584 if (alpha < (1.0f / 255.0f))
587 _DrawQ_ProcessDrawFlag(flags);
589 GL_Color(red, green, blue, alpha);
591 R_Mesh_VertexPointer(vertex3f);
592 R_Mesh_ColorPointer(NULL);
593 R_Mesh_ResetTextureState();
594 R_Mesh_TexBind(0, R_GetTexture(char_texture));
595 R_Mesh_TexCoordPointer(0, 2, texcoord2f);
603 for (i = 0;i < maxlen && x < vid_conwidth.integer && (num = string[i]);i++, x += w)
608 s = (num & 15)*0.0625f + (0.5f / 256.0f);
609 t = (num >> 4)*0.0625f + (0.5f / 256.0f);
610 u = 0.0625f - (1.0f / 256.0f);
611 v = 0.0625f - (1.0f / 256.0f);
612 at[ 0] = s ;at[ 1] = t ;
613 at[ 2] = s+u;at[ 3] = t ;
614 at[ 4] = s+u;at[ 5] = t+v;
615 at[ 6] = s ;at[ 7] = t+v;
616 av[ 0] = x ;av[ 1] = y ;av[ 2] = 10;
617 av[ 3] = x+w;av[ 4] = y ;av[ 5] = 10;
618 av[ 6] = x+w;av[ 7] = y+h;av[ 8] = 10;
619 av[ 9] = x ;av[10] = y+h;av[11] = 10;
623 if (batchcount >= QUADELEMENTS_MAXQUADS)
625 GL_LockArrays(0, batchcount * 4);
626 R_Mesh_Draw(0, batchcount * 4, batchcount * 2, quadelements);
635 GL_LockArrays(0, batchcount * 4);
636 R_Mesh_Draw(0, batchcount * 4, batchcount * 2, quadelements);
641 void DrawQ_String(float x, float y, const char *string, int maxlen, float scalex, float scaley, float red, float green, float blue, float alpha, int flags)
643 if (r_textshadow.integer)
644 DrawQ_String_Real(x+scalex*0.25,y+scaley*0.25,string,maxlen,scalex,scaley,0,0,0,alpha*0.8,flags);
646 DrawQ_String_Real(x,y,string,maxlen,scalex,scaley,red,green,blue,alpha,flags);
649 // color tag printing
650 static vec4_t string_colors[] =
653 // LordHavoc: why on earth is cyan before magenta in Quake3?
654 // LordHavoc: note: Doom3 uses white for [0] and [7]
655 {0.0, 0.0, 0.0, 1.0}, // black
656 {1.0, 0.0, 0.0, 1.0}, // red
657 {0.0, 1.0, 0.0, 1.0}, // green
658 {1.0, 1.0, 0.0, 1.0}, // yellow
659 {0.0, 0.0, 1.0, 1.0}, // blue
660 {0.0, 1.0, 1.0, 1.0}, // cyan
661 {1.0, 0.0, 1.0, 1.0}, // magenta
662 {1.0, 1.0, 1.0, 1.0}, // white
663 // [515]'s BX_COLOREDTEXT extension
664 {1.0, 1.0, 1.0, 0.5}, // half transparent
665 {0.5, 0.5, 0.5, 1.0} // half brightness
666 // Black's color table
667 //{1.0, 1.0, 1.0, 1.0},
668 //{1.0, 0.0, 0.0, 1.0},
669 //{0.0, 1.0, 0.0, 1.0},
670 //{0.0, 0.0, 1.0, 1.0},
671 //{1.0, 1.0, 0.0, 1.0},
672 //{0.0, 1.0, 1.0, 1.0},
673 //{1.0, 0.0, 1.0, 1.0},
674 //{0.1, 0.1, 0.1, 1.0}
677 #define STRING_COLORS_COUNT (sizeof(string_colors) / sizeof(vec4_t))
679 // color is read and changed in the end
680 void DrawQ_ColoredString( float x, float y, const char *text, int maxlen, float scalex, float scaley, float basered, float basegreen, float baseblue, float basealpha, int flags, int *outcolor )
685 const char *start, *current;
687 if( !outcolor || *outcolor == -1 ) {
688 colorindex = STRING_COLOR_DEFAULT;
690 colorindex = *outcolor;
692 color = string_colors[colorindex];
695 len = (int)strlen( text );
697 len = min( maxlen, (int) strlen( text ) );
699 start = current = text;
701 // check for color control char
702 if( *current == STRING_COLOR_TAG ) {
709 // display the tag char?
710 if( *current == STRING_COLOR_TAG ) {
711 // only display one of the two
716 } else if( '0' <= *current && *current <= '9' ) {
719 colorindex = colorindex * 10 + (*current - '0');
720 // only read as long as it makes a valid index
721 if( colorindex >= (int)STRING_COLORS_COUNT ) {
722 // undo the last operation
728 } while( len > 0 && '0' <= *current && *current <= '9' );
730 color = string_colors[colorindex];
731 // we jump over the color tag
735 // go on and read normal text in until the next control char
736 while( len > 0 && *current != STRING_COLOR_TAG ) {
741 if( start != current ) {
743 DrawQ_String( x, y, start, current - start, scalex, scaley, basered * color[0], basegreen * color[1], baseblue * color[2], basealpha * color[3], flags );
744 // update x to be at the new start position
745 x += (current - start) * scalex;
746 // set start accordingly
751 // return the last colorindex
753 *outcolor = colorindex;
757 void DrawQ_SuperPic(float x, float y, cachepic_t *pic, float width, float height, float s1, float t1, float r1, float g1, float b1, float a1, float s2, float t2, float r2, float g2, float b2, float a2, float s3, float t3, float r3, float g3, float b3, float a3, float s4, float t4, float r4, float g4, float b4, float a4, int flags)
761 _DrawQ_ProcessDrawFlag(flags);
763 R_Mesh_VertexPointer(floats);
764 R_Mesh_ColorPointer(floats + 20);
765 R_Mesh_ResetTextureState();
771 height = pic->height;
772 R_Mesh_TexBind(0, R_GetTexture(pic->tex));
773 R_Mesh_TexCoordPointer(0, 2, floats + 12);
774 floats[12] = s1;floats[13] = t1;
775 floats[14] = s2;floats[15] = t2;
776 floats[16] = s4;floats[17] = t4;
777 floats[18] = s3;floats[19] = t3;
780 floats[2] = floats[5] = floats[8] = floats[11] = 0;
781 floats[0] = floats[9] = x;
782 floats[1] = floats[4] = y;
783 floats[3] = floats[6] = x + width;
784 floats[7] = floats[10] = y + height;
785 floats[20] = r1;floats[21] = g1;floats[22] = b1;floats[23] = a1;
786 floats[24] = r2;floats[25] = g2;floats[26] = b2;floats[27] = a2;
787 floats[28] = r4;floats[29] = g4;floats[30] = b4;floats[31] = a4;
788 floats[32] = r3;floats[33] = g3;floats[34] = b3;floats[35] = a3;
790 R_Mesh_Draw(0, 4, 2, polygonelements);
793 void DrawQ_Mesh (drawqueuemesh_t *mesh, int flags)
795 _DrawQ_ProcessDrawFlag(flags);
797 R_Mesh_VertexPointer(mesh->data_vertex3f);
798 R_Mesh_ColorPointer(mesh->data_color4f);
799 R_Mesh_ResetTextureState();
800 R_Mesh_TexBind(0, R_GetTexture(mesh->texture));
801 R_Mesh_TexCoordPointer(0, 2, mesh->data_texcoord2f);
803 GL_LockArrays(0, mesh->num_vertices);
804 R_Mesh_Draw(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
808 void DrawQ_LineLoop (drawqueuemesh_t *mesh, int flags)
812 _DrawQ_ProcessDrawFlag(flags);
816 qglBegin(GL_LINE_LOOP);
817 for (num = 0;num < mesh->num_vertices;num++)
819 if (mesh->data_color4f)
820 GL_Color(mesh->data_color4f[num*4+0], mesh->data_color4f[num*4+1], mesh->data_color4f[num*4+2], mesh->data_color4f[num*4+3]);
821 qglVertex2f(mesh->data_vertex3f[num*3+0], mesh->data_vertex3f[num*3+1]);
827 //[515]: this is old, delete
828 void DrawQ_Line (float width, float x1, float y1, float x2, float y2, float r, float g, float b, float alpha, int flags)
830 _DrawQ_ProcessDrawFlag(flags);
833 qglLineWidth(width);CHECKGLERROR
835 GL_Color(r,g,b,alpha);
844 void DrawQ_SetClipArea(float x, float y, float width, float height)
848 // We have to convert the con coords into real coords
849 // OGL uses top to bottom
850 GL_Scissor((int)(x * ((float)vid.width / vid_conwidth.integer)), (int)(y * ((float) vid.height / vid_conheight.integer)), (int)(width * ((float)vid.width / vid_conwidth.integer)), (int)(height * ((float)vid.height / vid_conheight.integer)));
852 GL_ScissorTest(true);
855 void DrawQ_ResetClipArea(void)
858 GL_ScissorTest(false);
861 void DrawQ_Finish(void)
863 r_refdef.draw2dstage = false;
866 static float blendvertex3f[9] = {-5000, -5000, 10, 10000, -5000, 10, -5000, 10000, 10};
867 void R_DrawGamma(void)
870 if (!vid_usinghwgamma)
872 // all the blends ignore depth
873 R_Mesh_VertexPointer(blendvertex3f);
874 R_Mesh_ColorPointer(NULL);
875 R_Mesh_ResetTextureState();
878 if (v_color_enable.integer)
880 c[0] = v_color_white_r.value;
881 c[1] = v_color_white_g.value;
882 c[2] = v_color_white_b.value;
885 c[0] = c[1] = c[2] = v_contrast.value;
886 if (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f)
888 GL_BlendFunc(GL_DST_COLOR, GL_ONE);
889 while (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f)
891 GL_Color(bound(0, c[0] - 1, 1), bound(0, c[1] - 1, 1), bound(0, c[2] - 1, 1), 1);
892 R_Mesh_Draw(0, 3, 1, polygonelements);
893 VectorScale(c, 0.5, c);
896 if (v_color_enable.integer)
898 c[0] = v_color_black_r.value;
899 c[1] = v_color_black_g.value;
900 c[2] = v_color_black_b.value;
903 c[0] = c[1] = c[2] = v_brightness.value;
904 if (c[0] >= 0.01f || c[1] >= 0.01f || c[2] >= 0.01f)
906 GL_BlendFunc(GL_ONE, GL_ONE);
907 GL_Color(c[0], c[1], c[2], 1);
908 R_Mesh_Draw(0, 3, 1, polygonelements);