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++)
269 data[i][3] = (unsigned char) ((int) (in[i] - '0') * 255 / 7);
272 return R_LoadTexture2D(drawtexturepool, va("crosshair%i", num), 16, 16, &data[0][0], TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE, NULL);
275 static rtexture_t *draw_generateditherpattern(void)
279 unsigned char data[8*8*4];
280 for (y = 0;y < 8;y++)
282 for (x = 0;x < 8;x++)
284 data[(y*8+x)*4+0] = data[(y*8+x)*4+1] = data[(y*8+x)*4+2] = ((x^y) & 4) ? 255 : 0;
285 data[(y*8+x)*4+3] = 255;
288 return R_LoadTexture2D(drawtexturepool, "ditherpattern", 8, 8, data, TEXTYPE_RGBA, TEXF_FORCENEAREST | TEXF_PRECACHE, NULL);
290 unsigned char data[16];
291 memset(data, 255, sizeof(data));
292 data[0] = data[1] = data[2] = data[12] = data[13] = data[14] = 0;
293 return R_LoadTexture2D(drawtexturepool, "ditherpattern", 2, 2, data, TEXTYPE_RGBA, TEXF_FORCENEAREST | TEXF_PRECACHE, NULL);
302 // FIXME: move this to client somehow
303 cachepic_t *Draw_CachePic (const char *path, qboolean persistent)
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 the pic from disk
344 pic->tex = loadtextureimage(drawtexturepool, path, 0, 0, false, flags);
345 if (pic->tex == NULL && !strncmp(path, "gfx/", 4))
347 // compatibility with older versions
348 pic->tex = loadtextureimage(drawtexturepool, path + 4, 0, 0, false, flags);
349 // failed to find gfx/whatever.tga or similar, try the wad
350 if (pic->tex == NULL && (p = (qpic_t *)W_GetLumpName (path + 4)))
352 if (!strcmp(path, "gfx/conchars"))
354 // conchars is a raw image and with color 0 as transparent instead of 255
355 pic->tex = R_LoadTexture2D(drawtexturepool, path, 128, 128, (unsigned char *)p, TEXTYPE_PALETTE, flags, palette_font);
358 pic->tex = R_LoadTexture2D(drawtexturepool, path, p->width, p->height, p->data, TEXTYPE_PALETTE, flags, palette_transparent);
362 if (pic->tex == NULL && !strcmp(path, "gfx/conchars"))
363 pic->tex = draw_generateconchars();
364 if (pic->tex == NULL && !strcmp(path, "ui/mousepointer"))
365 pic->tex = draw_generatemousepointer();
366 if (pic->tex == NULL && !strcmp(path, "gfx/prydoncursor001"))
367 pic->tex = draw_generatemousepointer();
368 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair1"))
369 pic->tex = draw_generatecrosshair(0);
370 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair2"))
371 pic->tex = draw_generatecrosshair(1);
372 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair3"))
373 pic->tex = draw_generatecrosshair(2);
374 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair4"))
375 pic->tex = draw_generatecrosshair(3);
376 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair5"))
377 pic->tex = draw_generatecrosshair(4);
378 if (pic->tex == NULL && !strcmp(path, "gfx/crosshair6"))
379 pic->tex = draw_generatecrosshair(5);
380 if (pic->tex == NULL && !strcmp(path, "gfx/colorcontrol/ditherpattern"))
381 pic->tex = draw_generateditherpattern();
382 if (pic->tex == NULL)
384 Con_Printf("Draw_CachePic: failed to load %s\n", path);
385 pic->tex = r_texture_notexture;
388 pic->width = R_TextureWidth(pic->tex);
389 pic->height = R_TextureHeight(pic->tex);
393 cachepic_t *Draw_NewPic(const char *picname, int width, int height, int alpha, unsigned char *pixels)
398 crc = CRC_Block((unsigned char *)picname, strlen(picname));
399 hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
400 for (pic = cachepichash[hashkey];pic;pic = pic->chain)
401 if (!strcmp (picname, pic->name))
406 if (pic->tex && pic->width == width && pic->height == height)
408 R_UpdateTexture(pic->tex, pixels, 0, 0, width, height);
416 if (numcachepics == MAX_CACHED_PICS)
418 Con_Printf ("Draw_NewPic: numcachepics == MAX_CACHED_PICS\n");
419 // FIXME: support NULL in callers?
420 return cachepics; // return the first one
422 pic = cachepics + (numcachepics++);
423 strcpy (pic->name, picname);
425 pic->chain = cachepichash[hashkey];
426 cachepichash[hashkey] = pic;
431 pic->height = height;
433 R_FreeTexture(pic->tex);
434 pic->tex = R_LoadTexture2D(drawtexturepool, picname, width, height, pixels, TEXTYPE_RGBA, alpha ? TEXF_ALPHA : 0, NULL);
438 void Draw_FreePic(const char *picname)
443 // this doesn't really free the pic, but does free it's texture
444 crc = CRC_Block((unsigned char *)picname, strlen(picname));
445 hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
446 for (pic = cachepichash[hashkey];pic;pic = pic->chain)
448 if (!strcmp (picname, pic->name) && pic->tex)
450 R_FreeTexture(pic->tex);
463 static void gl_draw_start(void)
466 drawtexturepool = R_AllocTexturePool();
469 memset(cachepichash, 0, sizeof(cachepichash));
471 char_texture = Draw_CachePic("gfx/conchars", true)->tex;
472 for (i = 1;i <= NUMCROSSHAIRS;i++)
473 r_crosshairs[i] = Draw_CachePic(va("gfx/crosshair%i", i), true);
476 static void gl_draw_shutdown(void)
478 R_FreeTexturePool(&drawtexturepool);
481 memset(cachepichash, 0, sizeof(cachepichash));
484 static void gl_draw_newmap(void)
488 void GL_Draw_Init (void)
490 Cvar_RegisterVariable(&r_textshadow);
491 R_RegisterModule("GL_Draw", gl_draw_start, gl_draw_shutdown, gl_draw_newmap);
494 void DrawQ_Begin(void)
496 GL_ColorMask(r_view.colormask[0], r_view.colormask[1], r_view.colormask[2], 1);
499 qglViewport(r_view.x, vid.height - (r_view.y + r_view.height), r_view.width, r_view.height);CHECKGLERROR
500 GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
501 qglDepthFunc(GL_LEQUAL);CHECKGLERROR
502 R_Mesh_Matrix(&identitymatrix);
508 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
510 r_refdef.draw2dstage = true;
513 static void _DrawQ_ProcessDrawFlag(int flags)
516 if(flags == DRAWFLAG_ADDITIVE)
517 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
518 else if(flags == DRAWFLAG_MODULATE)
519 GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
520 else if(flags == DRAWFLAG_2XMODULATE)
521 GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
523 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
526 void DrawQ_Pic(float x, float y, cachepic_t *pic, float width, float height, float red, float green, float blue, float alpha, int flags)
528 if (!r_refdef.draw2dstage)
530 Con_Printf("DrawQ_Pic: not in 2d rendering stage!\n");
533 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);
536 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)
541 float vertex3f[QUADELEMENTS_MAXQUADS*4*3];
542 float texcoord2f[QUADELEMENTS_MAXQUADS*4*2];
544 if (!r_refdef.draw2dstage)
546 Con_Printf("DrawQ_String: not in 2d rendering stage!\n");
550 if (alpha < (1.0f / 255.0f))
553 _DrawQ_ProcessDrawFlag(flags);
555 GL_Color(red, green, blue, alpha);
557 R_Mesh_VertexPointer(vertex3f);
558 R_Mesh_ColorPointer(NULL);
559 R_Mesh_ResetTextureState();
560 R_Mesh_TexBind(0, R_GetTexture(char_texture));
561 R_Mesh_TexCoordPointer(0, 2, texcoord2f);
569 for (i = 0;i < maxlen && x < vid_conwidth.integer && (num = string[i]);i++, x += w)
574 s = (num & 15)*0.0625f + (0.5f / 256.0f);
575 t = (num >> 4)*0.0625f + (0.5f / 256.0f);
576 u = 0.0625f - (1.0f / 256.0f);
577 v = 0.0625f - (1.0f / 256.0f);
578 at[ 0] = s ;at[ 1] = t ;
579 at[ 2] = s+u;at[ 3] = t ;
580 at[ 4] = s+u;at[ 5] = t+v;
581 at[ 6] = s ;at[ 7] = t+v;
582 av[ 0] = x ;av[ 1] = y ;av[ 2] = 10;
583 av[ 3] = x+w;av[ 4] = y ;av[ 5] = 10;
584 av[ 6] = x+w;av[ 7] = y+h;av[ 8] = 10;
585 av[ 9] = x ;av[10] = y+h;av[11] = 10;
589 if (batchcount >= QUADELEMENTS_MAXQUADS)
591 GL_LockArrays(0, batchcount * 4);
592 R_Mesh_Draw(0, batchcount * 4, batchcount * 2, quadelements);
601 GL_LockArrays(0, batchcount * 4);
602 R_Mesh_Draw(0, batchcount * 4, batchcount * 2, quadelements);
607 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)
609 if (!r_refdef.draw2dstage)
611 Con_Printf("DrawQ_String: not in 2d rendering stage!\n");
615 if (r_textshadow.integer)
616 DrawQ_String_Real(x+scalex*0.25,y+scaley*0.25,string,maxlen,scalex,scaley,0,0,0,alpha*0.8,flags);
618 DrawQ_String_Real(x,y,string,maxlen,scalex,scaley,red,green,blue,alpha,flags);
621 // color tag printing
622 static vec4_t string_colors[] =
625 // LordHavoc: why on earth is cyan before magenta in Quake3?
626 // LordHavoc: note: Doom3 uses white for [0] and [7]
627 {0.0, 0.0, 0.0, 1.0}, // black
628 {1.0, 0.0, 0.0, 1.0}, // red
629 {0.0, 1.0, 0.0, 1.0}, // green
630 {1.0, 1.0, 0.0, 1.0}, // yellow
631 {0.0, 0.0, 1.0, 1.0}, // blue
632 {0.0, 1.0, 1.0, 1.0}, // cyan
633 {1.0, 0.0, 1.0, 1.0}, // magenta
634 {1.0, 1.0, 1.0, 1.0}, // white
635 // [515]'s BX_COLOREDTEXT extension
636 {1.0, 1.0, 1.0, 0.5}, // half transparent
637 {0.5, 0.5, 0.5, 1.0} // half brightness
638 // Black's color table
639 //{1.0, 1.0, 1.0, 1.0},
640 //{1.0, 0.0, 0.0, 1.0},
641 //{0.0, 1.0, 0.0, 1.0},
642 //{0.0, 0.0, 1.0, 1.0},
643 //{1.0, 1.0, 0.0, 1.0},
644 //{0.0, 1.0, 1.0, 1.0},
645 //{1.0, 0.0, 1.0, 1.0},
646 //{0.1, 0.1, 0.1, 1.0}
649 #define STRING_COLORS_COUNT (sizeof(string_colors) / sizeof(vec4_t))
651 // color is read and changed in the end
652 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 )
657 const char *start, *current;
659 if (!r_refdef.draw2dstage)
661 Con_Printf("DrawQ_ColoredString: not in 2d rendering stage!\n");
664 if( !outcolor || *outcolor == -1 ) {
665 colorindex = STRING_COLOR_DEFAULT;
667 colorindex = *outcolor;
669 color = string_colors[colorindex];
672 len = (int)strlen( text );
674 len = min( maxlen, (int) strlen( text ) );
676 start = current = text;
678 // check for color control char
679 if( *current == STRING_COLOR_TAG ) {
686 // display the tag char?
687 if( *current == STRING_COLOR_TAG ) {
688 // only display one of the two
693 } else if( '0' <= *current && *current <= '9' ) {
696 colorindex = colorindex * 10 + (*current - '0');
697 // only read as long as it makes a valid index
698 if( colorindex >= (int)STRING_COLORS_COUNT ) {
699 // undo the last operation
705 } while( len > 0 && '0' <= *current && *current <= '9' );
707 color = string_colors[colorindex];
708 // we jump over the color tag
712 // go on and read normal text in until the next control char
713 while( len > 0 && *current != STRING_COLOR_TAG ) {
718 if( start != current ) {
720 DrawQ_String( x, y, start, current - start, scalex, scaley, basered * color[0], basegreen * color[1], baseblue * color[2], basealpha * color[3], flags );
721 // update x to be at the new start position
722 x += (current - start) * scalex;
723 // set start accordingly
728 // return the last colorindex
730 *outcolor = colorindex;
734 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)
738 if (!r_refdef.draw2dstage)
740 Con_Printf("DrawQ_SuperPic: not in 2d rendering stage!\n");
744 _DrawQ_ProcessDrawFlag(flags);
746 R_Mesh_VertexPointer(floats);
747 R_Mesh_ColorPointer(floats + 20);
748 R_Mesh_ResetTextureState();
754 height = pic->height;
755 R_Mesh_TexBind(0, R_GetTexture(pic->tex));
756 R_Mesh_TexCoordPointer(0, 2, floats + 12);
757 floats[12] = s1;floats[13] = t1;
758 floats[14] = s2;floats[15] = t2;
759 floats[16] = s4;floats[17] = t4;
760 floats[18] = s3;floats[19] = t3;
763 floats[2] = floats[5] = floats[8] = floats[11] = 0;
764 floats[0] = floats[9] = x;
765 floats[1] = floats[4] = y;
766 floats[3] = floats[6] = x + width;
767 floats[7] = floats[10] = y + height;
768 floats[20] = r1;floats[21] = g1;floats[22] = b1;floats[23] = a1;
769 floats[24] = r2;floats[25] = g2;floats[26] = b2;floats[27] = a2;
770 floats[28] = r4;floats[29] = g4;floats[30] = b4;floats[31] = a4;
771 floats[32] = r3;floats[33] = g3;floats[34] = b3;floats[35] = a3;
773 R_Mesh_Draw(0, 4, 2, polygonelements);
776 void DrawQ_Mesh (drawqueuemesh_t *mesh, int flags)
778 if (!r_refdef.draw2dstage)
780 Con_Printf("DrawQ_Mesh: not in 2d rendering stage!\n");
784 _DrawQ_ProcessDrawFlag(flags);
786 R_Mesh_VertexPointer(mesh->data_vertex3f);
787 R_Mesh_ColorPointer(mesh->data_color4f);
788 R_Mesh_ResetTextureState();
789 R_Mesh_TexBind(0, R_GetTexture(mesh->texture));
790 R_Mesh_TexCoordPointer(0, 2, mesh->data_texcoord2f);
792 GL_LockArrays(0, mesh->num_vertices);
793 R_Mesh_Draw(0, mesh->num_vertices, mesh->num_triangles, mesh->data_element3i);
797 void DrawQ_LineLoop (drawqueuemesh_t *mesh, int flags)
801 if (!r_refdef.draw2dstage)
803 Con_Printf("DrawQ_LineLoop: not in 2d rendering stage!\n");
807 _DrawQ_ProcessDrawFlag(flags);
811 qglBegin(GL_LINE_LOOP);
812 for (num = 0;num < mesh->num_vertices;num++)
814 if (mesh->data_color4f)
815 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]);
816 qglVertex2f(mesh->data_vertex3f[num*3+0], mesh->data_vertex3f[num*3+1]);
822 //LordHavoc: FIXME: this is nasty!
823 void DrawQ_LineWidth (float width)
825 if (!r_refdef.draw2dstage)
827 Con_Printf("DrawQ_LineWidth: not in 2d rendering stage!\n");
831 qglLineWidth(width);CHECKGLERROR
834 //[515]: this is old, delete
835 void DrawQ_Line (float width, float x1, float y1, float x2, float y2, float r, float g, float b, float alpha, int flags)
837 if (!r_refdef.draw2dstage)
839 Con_Printf("DrawQ_Line: not in 2d rendering stage!\n");
845 DrawQ_LineWidth(width);
847 _DrawQ_ProcessDrawFlag(flags);
849 GL_Color(r,g,b,alpha);
858 void DrawQ_SetClipArea(float x, float y, float width, float height)
860 if (!r_refdef.draw2dstage)
862 Con_Printf("DrawQ_SetClipArea: not in 2d rendering stage!\n");
866 // We have to convert the con coords into real coords
867 // OGL uses top to bottom
868 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)));
870 GL_ScissorTest(true);
873 void DrawQ_ResetClipArea(void)
875 if (!r_refdef.draw2dstage)
877 Con_Printf("DrawQ_ResetClipArea: not in 2d rendering stage!\n");
880 GL_ScissorTest(false);
883 void DrawQ_Finish(void)
885 if (!r_refdef.draw2dstage)
887 Con_Printf("R_DrawQueue: not in 2d rendering stage!\n");
891 r_refdef.draw2dstage = false;
894 static float blendvertex3f[9] = {-5000, -5000, 10, 10000, -5000, 10, -5000, 10000, 10};
895 void R_DrawGamma(void)
898 if (!vid_usinghwgamma)
900 // all the blends ignore depth
901 R_Mesh_VertexPointer(blendvertex3f);
902 R_Mesh_ColorPointer(NULL);
903 R_Mesh_ResetTextureState();
906 if (v_color_enable.integer)
908 c[0] = v_color_white_r.value;
909 c[1] = v_color_white_g.value;
910 c[2] = v_color_white_b.value;
913 c[0] = c[1] = c[2] = v_contrast.value;
914 if (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f)
916 GL_BlendFunc(GL_DST_COLOR, GL_ONE);
917 while (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f)
919 GL_Color(bound(0, c[0] - 1, 1), bound(0, c[1] - 1, 1), bound(0, c[2] - 1, 1), 1);
920 R_Mesh_Draw(0, 3, 1, polygonelements);
921 VectorScale(c, 0.5, c);
924 if (v_color_enable.integer)
926 c[0] = v_color_black_r.value;
927 c[1] = v_color_black_g.value;
928 c[2] = v_color_black_b.value;
931 c[0] = c[1] = c[2] = v_brightness.value;
932 if (c[0] >= 0.01f || c[1] >= 0.01f || c[2] >= 0.01f)
934 GL_BlendFunc(GL_ONE, GL_ONE);
935 GL_Color(c[0], c[1], c[2], 1);
936 R_Mesh_Draw(0, 3, 1, polygonelements);