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[divverent/darkplaces.git] / gl_draw.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
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.
8
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.
12
13 See the GNU General Public License for more details.
14
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.
18
19 */
20
21 #include "quakedef.h"
22 #include "image.h"
23 #include "wad.h"
24
25 #include "cl_video.h"
26 #include "cl_dyntexture.h"
27
28 #include "ft2.h"
29 #include "ft2_fontdefs.h"
30
31 dp_font_t dp_fonts[MAX_FONTS] = {{0}};
32
33 cvar_t r_textshadow = {CVAR_SAVE, "r_textshadow", "0", "draws a shadow on all text to improve readability (note: value controls offset, 1 = 1 pixel, 1.5 = 1.5 pixels, etc)"};
34 cvar_t r_textbrightness = {CVAR_SAVE, "r_textbrightness", "0", "additional brightness for text color codes (0 keeps colors as is, 1 makes them all white)"};
35 cvar_t r_textcontrast = {CVAR_SAVE, "r_textcontrast", "1", "additional contrast for text color codes (1 keeps colors as is, 0 makes them all black)"};
36
37 extern cvar_t v_glslgamma;
38
39 //=============================================================================
40 /* Support Routines */
41
42 #define FONT_FILESIZE 13468
43 static cachepic_t *cachepichash[CACHEPICHASHSIZE];
44 static cachepic_t cachepics[MAX_CACHED_PICS];
45 static int numcachepics;
46
47 static rtexturepool_t *drawtexturepool;
48
49 static const unsigned char concharimage[FONT_FILESIZE] =
50 {
51 #include "lhfont.h"
52 };
53
54 static rtexture_t *draw_generateconchars(void)
55 {
56         int i;
57         unsigned char *data;
58         double random;
59         rtexture_t *tex;
60
61         data = LoadTGA_BGRA (concharimage, FONT_FILESIZE);
62 // Gold numbers
63         for (i = 0;i < 8192;i++)
64         {
65                 random = lhrandom (0.0,1.0);
66                 data[i*4+3] = data[i*4+0];
67                 data[i*4+2] = 83 + (unsigned char)(random * 64);
68                 data[i*4+1] = 71 + (unsigned char)(random * 32);
69                 data[i*4+0] = 23 + (unsigned char)(random * 16);
70         }
71 // White chars
72         for (i = 8192;i < 32768;i++)
73         {
74                 random = lhrandom (0.0,1.0);
75                 data[i*4+3] = data[i*4+0];
76                 data[i*4+2] = 95 + (unsigned char)(random * 64);
77                 data[i*4+1] = 95 + (unsigned char)(random * 64);
78                 data[i*4+0] = 95 + (unsigned char)(random * 64);
79         }
80 // Gold numbers
81         for (i = 32768;i < 40960;i++)
82         {
83                 random = lhrandom (0.0,1.0);
84                 data[i*4+3] = data[i*4+0];
85                 data[i*4+2] = 83 + (unsigned char)(random * 64);
86                 data[i*4+1] = 71 + (unsigned char)(random * 32);
87                 data[i*4+0] = 23 + (unsigned char)(random * 16);
88         }
89 // Red chars
90         for (i = 40960;i < 65536;i++)
91         {
92                 random = lhrandom (0.0,1.0);
93                 data[i*4+3] = data[i*4+0];
94                 data[i*4+2] = 96 + (unsigned char)(random * 64);
95                 data[i*4+1] = 43 + (unsigned char)(random * 32);
96                 data[i*4+0] = 27 + (unsigned char)(random * 32);
97         }
98
99 #if 0
100         Image_WriteTGABGRA ("gfx/generated_conchars.tga", 256, 256, data);
101 #endif
102
103         tex = R_LoadTexture2D(drawtexturepool, "conchars", 256, 256, data, TEXTYPE_BGRA, TEXF_ALPHA, NULL);
104         Mem_Free(data);
105         return tex;
106 }
107
108 static rtexture_t *draw_generateditherpattern(void)
109 {
110         int x, y;
111         unsigned char pixels[8][8];
112         for (y = 0;y < 8;y++)
113                 for (x = 0;x < 8;x++)
114                         pixels[y][x] = ((x^y) & 4) ? 254 : 0;
115         return R_LoadTexture2D(drawtexturepool, "ditherpattern", 8, 8, pixels[0], TEXTYPE_PALETTE, TEXF_FORCENEAREST, palette_bgra_transparent);
116 }
117
118 typedef struct embeddedpic_s
119 {
120         const char *name;
121         int width;
122         int height;
123         const char *pixels;
124 }
125 embeddedpic_t;
126
127 static const embeddedpic_t embeddedpics[] =
128 {
129         {
130         "gfx/prydoncursor001", 16, 16,
131         "477777774......."
132         "77.....6........"
133         "7.....6........."
134         "7....6.........."
135         "7.....6........."
136         "7..6...6........"
137         "7.6.6...6......."
138         "76...6...6......"
139         "4.....6.6......."
140         ".......6........"
141         "................"
142         "................"
143         "................"
144         "................"
145         "................"
146         "................"
147         },
148         {
149         "ui/mousepointer", 16, 16,
150         "477777774......."
151         "77.....6........"
152         "7.....6........."
153         "7....6.........."
154         "7.....6........."
155         "7..6...6........"
156         "7.6.6...6......."
157         "76...6...6......"
158         "4.....6.6......."
159         ".......6........"
160         "................"
161         "................"
162         "................"
163         "................"
164         "................"
165         "................"
166         },
167         {
168         "gfx/crosshair1", 16, 16,
169         "................"
170         "................"
171         "................"
172         "...33......33..."
173         "...355....553..."
174         "....577..775...."
175         ".....77..77....."
176         "................"
177         "................"
178         ".....77..77....."
179         "....577..775...."
180         "...355....553..."
181         "...33......33..."
182         "................"
183         "................"
184         "................"
185         },
186         {
187         "gfx/crosshair2", 16, 16,
188         "................"
189         "................"
190         "................"
191         "...3........3..."
192         "....5......5...."
193         ".....7....7....."
194         "......7..7......"
195         "................"
196         "................"
197         "......7..7......"
198         ".....7....7....."
199         "....5......5...."
200         "...3........3..."
201         "................"
202         "................"
203         "................"
204         },
205         {
206         "gfx/crosshair3", 16, 16,
207         "................"
208         ".......77......."
209         ".......77......."
210         "................"
211         "................"
212         ".......44......."
213         ".......44......."
214         ".77..44..44..77."
215         ".77..44..44..77."
216         ".......44......."
217         ".......44......."
218         "................"
219         "................"
220         ".......77......."
221         ".......77......."
222         "................"
223         },
224         {
225         "gfx/crosshair4", 16, 16,
226         "................"
227         "................"
228         "................"
229         "................"
230         "................"
231         "................"
232         "................"
233         "................"
234         "........7777777."
235         "........752....."
236         "........72......"
237         "........7......."
238         "........7......."
239         "........7......."
240         "........7......."
241         "................"
242         },
243         {
244         "gfx/crosshair5", 8, 8,
245         "........"
246         "........"
247         "....7..."
248         "........"
249         "..7.7.7."
250         "........"
251         "....7..."
252         "........"
253         },
254         {
255         "gfx/crosshair6", 2, 2,
256         "77"
257         "77"
258         },
259         {
260         "gfx/crosshair7", 16, 16,
261         "................"
262         ".3............3."
263         "..5...2332...5.."
264         "...7.3....3.7..."
265         "....7......7...."
266         "...3.7....7.3..."
267         "..2...7..7...2.."
268         "..3..........3.."
269         "..3..........3.."
270         "..2...7..7...2.."
271         "...3.7....7.3..."
272         "....7......7...."
273         "...7.3....3.7..."
274         "..5...2332...5.."
275         ".3............3."
276         "................"
277         },
278         {NULL, 0, 0, NULL}
279 };
280
281 static rtexture_t *draw_generatepic(const char *name, qboolean quiet)
282 {
283         const embeddedpic_t *p;
284         for (p = embeddedpics;p->name;p++)
285                 if (!strcmp(name, p->name))
286                         return R_LoadTexture2D(drawtexturepool, p->name, p->width, p->height, (const unsigned char *)p->pixels, TEXTYPE_PALETTE, TEXF_ALPHA, palette_bgra_embeddedpic);
287         if (!strcmp(name, "gfx/conchars"))
288                 return draw_generateconchars();
289         if (!strcmp(name, "gfx/colorcontrol/ditherpattern"))
290                 return draw_generateditherpattern();
291         if (!quiet)
292                 Con_Printf("Draw_CachePic: failed to load %s\n", name);
293         return r_texture_notexture;
294 }
295
296
297 /*
298 ================
299 Draw_CachePic
300 ================
301 */
302 // FIXME: move this to client somehow
303 cachepic_t *Draw_CachePic_Flags(const char *path, unsigned int cachepicflags)
304 {
305         int crc, hashkey;
306         unsigned char *pixels;
307         cachepic_t *pic;
308         fs_offset_t lmpsize;
309         unsigned char *lmpdata;
310         char lmpname[MAX_QPATH];
311
312         // check whether the picture has already been cached
313         crc = CRC_Block((unsigned char *)path, strlen(path));
314         hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
315         for (pic = cachepichash[hashkey];pic;pic = pic->chain)
316                 if (!strcmp (path, pic->name))
317                         return pic;
318
319         if (numcachepics == MAX_CACHED_PICS)
320         {
321                 Con_Printf ("Draw_CachePic: numcachepics == MAX_CACHED_PICS\n");
322                 // FIXME: support NULL in callers?
323                 return cachepics; // return the first one
324         }
325         pic = cachepics + (numcachepics++);
326         strlcpy (pic->name, path, sizeof(pic->name));
327         // link into list
328         pic->chain = cachepichash[hashkey];
329         cachepichash[hashkey] = pic;
330
331         // check whether it is an dynamic texture (if so, we can directly use its texture handler)
332         pic->tex = CL_GetDynTexture( path );
333         // if so, set the width/height, too
334         if( pic->tex ) {
335                 pic->width = R_TextureWidth(pic->tex);
336                 pic->height = R_TextureHeight(pic->tex);
337                 // we're done now (early-out)
338                 return pic;
339         }
340
341         pic->texflags = TEXF_ALPHA;
342         if (!(cachepicflags & CACHEPICFLAG_NOCLAMP))
343                 pic->texflags |= TEXF_CLAMP;
344         if (!(cachepicflags & CACHEPICFLAG_NOCOMPRESSION) && gl_texturecompression_2d.integer)
345                 pic->texflags |= TEXF_COMPRESS;
346
347         pic->autoload = (cachepicflags & CACHEPICFLAG_NOTPERSISTENT);
348
349         // load a high quality image from disk if possible
350         pixels = loadimagepixelsbgra(path, false, true);
351         if (pixels == NULL && !strncmp(path, "gfx/", 4))
352                 pixels = loadimagepixelsbgra(path+4, false, true);
353         if (pixels)
354         {
355                 pic->width = image_width;
356                 pic->height = image_height;
357                 if (!pic->autoload)
358                         pic->tex = R_LoadTexture2D(drawtexturepool, path, image_width, image_height, pixels, TEXTYPE_BGRA, pic->texflags, NULL);
359         }
360         else
361         {
362                 pic->autoload = false;
363                 // never compress the fallback images
364                 pic->texflags &= ~TEXF_COMPRESS;
365         }
366
367         // now read the low quality version (wad or lmp file), and take the pic
368         // size from that even if we don't upload the texture, this way the pics
369         // show up the right size in the menu even if they were replaced with
370         // higher or lower resolution versions
371         dpsnprintf(lmpname, sizeof(lmpname), "%s.lmp", path);
372         if (!strncmp(path, "gfx/", 4) && (lmpdata = FS_LoadFile(lmpname, tempmempool, false, &lmpsize)))
373         {
374                 if (developer_loading.integer)
375                         Con_Printf("loading lump \"%s\"\n", path);
376
377                 if (lmpsize >= 9)
378                 {
379                         pic->width = lmpdata[0] + lmpdata[1] * 256 + lmpdata[2] * 65536 + lmpdata[3] * 16777216;
380                         pic->height = lmpdata[4] + lmpdata[5] * 256 + lmpdata[6] * 65536 + lmpdata[7] * 16777216;
381                         // if no high quality replacement image was found, upload the original low quality texture
382                         if (!pixels)
383                                 pic->tex = R_LoadTexture2D(drawtexturepool, path, pic->width, pic->height, lmpdata + 8, TEXTYPE_PALETTE, pic->texflags, palette_bgra_transparent);
384                 }
385                 Mem_Free(lmpdata);
386         }
387         else if ((lmpdata = W_GetLumpName (path + 4)))
388         {
389                 if (developer_loading.integer)
390                         Con_Printf("loading gfx.wad lump \"%s\"\n", path + 4);
391
392                 if (!strcmp(path, "gfx/conchars"))
393                 {
394                         // conchars is a raw image and with color 0 as transparent instead of 255
395                         pic->width = 128;
396                         pic->height = 128;
397                         // if no high quality replacement image was found, upload the original low quality texture
398                         if (!pixels)
399                                 pic->tex = R_LoadTexture2D(drawtexturepool, path, 128, 128, lmpdata, TEXTYPE_PALETTE, pic->texflags, palette_bgra_font);
400                 }
401                 else
402                 {
403                         pic->width = lmpdata[0] + lmpdata[1] * 256 + lmpdata[2] * 65536 + lmpdata[3] * 16777216;
404                         pic->height = lmpdata[4] + lmpdata[5] * 256 + lmpdata[6] * 65536 + lmpdata[7] * 16777216;
405                         // if no high quality replacement image was found, upload the original low quality texture
406                         if (!pixels)
407                                 pic->tex = R_LoadTexture2D(drawtexturepool, path, pic->width, pic->height, lmpdata + 8, TEXTYPE_PALETTE, pic->texflags, palette_bgra_transparent);
408                 }
409         }
410
411         if (pixels)
412         {
413                 Mem_Free(pixels);
414                 pixels = NULL;
415         }
416         else if (pic->tex == NULL)
417         {
418                 // if it's not found on disk, generate an image
419                 pic->tex = draw_generatepic(path, (cachepicflags & CACHEPICFLAG_QUIET) != 0);
420                 pic->width = R_TextureWidth(pic->tex);
421                 pic->height = R_TextureHeight(pic->tex);
422         }
423
424         return pic;
425 }
426
427 cachepic_t *Draw_CachePic (const char *path)
428 {
429         return Draw_CachePic_Flags (path, 0);
430 }
431
432 int draw_frame = 1;
433
434 rtexture_t *Draw_GetPicTexture(cachepic_t *pic)
435 {
436         if (pic->autoload && !pic->tex)
437         {
438                 pic->tex = loadtextureimage(drawtexturepool, pic->name, false, pic->texflags, true);
439                 if (pic->tex == NULL && !strncmp(pic->name, "gfx/", 4))
440                         pic->tex = loadtextureimage(drawtexturepool, pic->name+4, false, pic->texflags, true);
441                 if (pic->tex == NULL)
442                         pic->tex = draw_generatepic(pic->name, true);
443         }
444         pic->lastusedframe = draw_frame;
445         return pic->tex;
446 }
447
448 void Draw_Frame(void)
449 {
450         int i;
451         cachepic_t *pic;
452         static double nextpurgetime;
453         int purgeframe;
454         if (nextpurgetime > realtime)
455                 return;
456         nextpurgetime = realtime + 0.05;
457         purgeframe = draw_frame - 1;
458         for (i = 0, pic = cachepics;i < numcachepics;i++, pic++)
459         {
460                 if (pic->autoload && pic->tex && pic->lastusedframe < draw_frame)
461                 {
462                         R_FreeTexture(pic->tex);
463                         pic->tex = NULL;
464                 }
465         }
466         draw_frame++;
467 }
468
469 cachepic_t *Draw_NewPic(const char *picname, int width, int height, int alpha, unsigned char *pixels_bgra)
470 {
471         int crc, hashkey;
472         cachepic_t *pic;
473
474         crc = CRC_Block((unsigned char *)picname, strlen(picname));
475         hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
476         for (pic = cachepichash[hashkey];pic;pic = pic->chain)
477                 if (!strcmp (picname, pic->name))
478                         break;
479
480         if (pic)
481         {
482                 if (pic->tex && pic->width == width && pic->height == height)
483                 {
484                         R_UpdateTexture(pic->tex, pixels_bgra, 0, 0, width, height);
485                         return pic;
486                 }
487         }
488         else
489         {
490                 if (pic == NULL)
491                 {
492                         if (numcachepics == MAX_CACHED_PICS)
493                         {
494                                 Con_Printf ("Draw_NewPic: numcachepics == MAX_CACHED_PICS\n");
495                                 // FIXME: support NULL in callers?
496                                 return cachepics; // return the first one
497                         }
498                         pic = cachepics + (numcachepics++);
499                         strlcpy (pic->name, picname, sizeof(pic->name));
500                         // link into list
501                         pic->chain = cachepichash[hashkey];
502                         cachepichash[hashkey] = pic;
503                 }
504         }
505
506         pic->width = width;
507         pic->height = height;
508         if (pic->tex)
509                 R_FreeTexture(pic->tex);
510         pic->tex = R_LoadTexture2D(drawtexturepool, picname, width, height, pixels_bgra, TEXTYPE_BGRA, (alpha ? TEXF_ALPHA : 0) | TEXF_ALLOWUPDATES, NULL);
511         return pic;
512 }
513
514 void Draw_FreePic(const char *picname)
515 {
516         int crc;
517         int hashkey;
518         cachepic_t *pic;
519         // this doesn't really free the pic, but does free it's texture
520         crc = CRC_Block((unsigned char *)picname, strlen(picname));
521         hashkey = ((crc >> 8) ^ crc) % CACHEPICHASHSIZE;
522         for (pic = cachepichash[hashkey];pic;pic = pic->chain)
523         {
524                 if (!strcmp (picname, pic->name) && pic->tex)
525                 {
526                         R_FreeTexture(pic->tex);
527                         pic->tex = NULL;
528                         pic->width = 0;
529                         pic->height = 0;
530                         return;
531                 }
532         }
533 }
534
535 extern int con_linewidth; // to force rewrapping
536 static void LoadFont(qboolean override, const char *name, dp_font_t *fnt)
537 {
538         int i;
539         float maxwidth, scale;
540         char widthfile[MAX_QPATH];
541         char *widthbuf;
542         fs_offset_t widthbufsize;
543
544         if(override || !fnt->texpath[0])
545                 strlcpy(fnt->texpath, name, sizeof(fnt->texpath));
546
547         if(drawtexturepool == NULL)
548                 return; // before gl_draw_start, so will be loaded later
549
550         if(fnt->ft2)
551         {
552                 // clear freetype font
553                 Font_UnloadFont(fnt->ft2);
554                 Mem_Free(fnt->ft2);
555                 fnt->ft2 = NULL;
556         }
557
558         if(fnt->req_face != -1)
559         {
560                 if(!Font_LoadFont(fnt->texpath, fnt))
561                         Con_Printf("Failed to load font-file for '%s', it will not support as many characters.\n", fnt->texpath);
562         }
563
564         fnt->tex = Draw_CachePic_Flags(fnt->texpath, CACHEPICFLAG_QUIET | CACHEPICFLAG_NOCOMPRESSION)->tex;
565         if(fnt->tex == r_texture_notexture)
566         {
567                 fnt->tex = Draw_CachePic_Flags("gfx/conchars", CACHEPICFLAG_NOCOMPRESSION)->tex;
568                 strlcpy(widthfile, "gfx/conchars.width", sizeof(widthfile));
569         }
570         else
571                 dpsnprintf(widthfile, sizeof(widthfile), "%s.width", fnt->texpath);
572
573         // unspecified width == 1 (base width)
574         for(i = 1; i < 256; ++i)
575                 fnt->width_of[i] = 1;
576         scale = 1;
577
578         // FIXME load "name.width", if it fails, fill all with 1
579         if((widthbuf = (char *) FS_LoadFile(widthfile, tempmempool, true, &widthbufsize)))
580         {
581                 float extraspacing = 0;
582                 const char *p = widthbuf;
583                 int ch = 0;
584
585                 while(ch < 256)
586                 {
587                         if(!COM_ParseToken_Simple(&p, false, false))
588                                 return;
589
590                         switch(*com_token)
591                         {
592                                 case '0':
593                                 case '1':
594                                 case '2':
595                                 case '3':
596                                 case '4':
597                                 case '5':
598                                 case '6':
599                                 case '7':
600                                 case '8':
601                                 case '9':
602                                 case '+':
603                                 case '-':
604                                 case '.':
605                                         fnt->width_of[ch++] = atof(com_token) + extraspacing;
606                                         break;
607                                 default:
608                                         if(!strcmp(com_token, "extraspacing"))
609                                         {
610                                                 if(!COM_ParseToken_Simple(&p, false, false))
611                                                         return;
612                                                 extraspacing = atof(com_token);
613                                         }
614                                         else if(!strcmp(com_token, "scale"))
615                                         {
616                                                 if(!COM_ParseToken_Simple(&p, false, false))
617                                                         return;
618                                                 scale = atof(com_token);
619                                         }
620                                         else
621                                         {
622                                                 Con_Printf("Warning: skipped unknown font property %s\n", com_token);
623                                                 if(!COM_ParseToken_Simple(&p, false, false))
624                                                         return;
625                                         }
626                                         break;
627                         }
628                 }
629
630                 Mem_Free(widthbuf);
631         }
632
633         maxwidth = fnt->width_of[1];
634         for(i = 2; i < 256; ++i)
635                 maxwidth = max(maxwidth, fnt->width_of[i]);
636         fnt->maxwidth = maxwidth;
637
638         // fix up maxwidth for overlap
639         fnt->maxwidth *= scale;
640         fnt->scale = scale;
641
642         if(fnt == FONT_CONSOLE)
643                 con_linewidth = -1; // rewrap console in next frame
644 }
645
646 static dp_font_t *FindFont(const char *title)
647 {
648         int i;
649         for(i = 0; i < MAX_FONTS; ++i)
650                 if(!strcmp(dp_fonts[i].title, title))
651                         return &dp_fonts[i];
652         return NULL;
653 }
654
655 static float snap_to_pixel_x(float x, float roundUpAt)
656 {
657         float pixelpos = x * vid.width / vid_conwidth.value;
658         int snap = (int) pixelpos;
659         if (pixelpos - snap >= roundUpAt) ++snap;
660         return ((float)snap * vid_conwidth.value / vid.width);
661         /*
662         x = (int)(x * vid.width / vid_conwidth.value);
663         x = (x * vid_conwidth.value / vid.width);
664         return x;
665         */
666 }
667
668 static float snap_to_pixel_y(float y, float roundUpAt)
669 {
670         float pixelpos = y * vid.height / vid_conheight.value;
671         int snap = (int) pixelpos;
672         if (pixelpos - snap > roundUpAt) ++snap;
673         return ((float)snap * vid_conheight.value / vid.height);
674         /*
675         y = (int)(y * vid.height / vid_conheight.value);
676         y = (y * vid_conheight.value / vid.height);
677         return y;
678         */
679 }
680
681 static void LoadFont_f(void)
682 {
683         dp_font_t *f;
684         int i, si;
685         float sz, sn;
686         const char *filelist, *c, *cm;
687         char mainfont[MAX_QPATH];
688
689         if(Cmd_Argc() < 2)
690         {
691                 Con_Printf("Available font commands:\n");
692                 for(i = 0; i < MAX_FONTS; ++i)
693                         Con_Printf("  loadfont %s gfx/tgafile[...] [sizes...]\n", dp_fonts[i].title);
694                 Con_Printf("A font can simply be gfx/tgafile, or alternatively you\n"
695                            "can specify multiple fonts and faces\n"
696                            "Like this: gfx/vera-sans:2,gfx/fallback:1\n"
697                            "to load face 2 of the font gfx/vera-sans and use face 1\n"
698                            "of gfx/fallback as fallback font.\n"
699                            "You can also specify a list of font sizes to load, like this:\n"
700                            "loadfont console gfx/conchars,gfx/fallback 8 12 16 24 32\n"
701                            "In many cases, 8 12 16 24 32 should be a good choice.\n"
702                         );
703                 return;
704         }
705         f = FindFont(Cmd_Argv(1));
706         if(f == NULL)
707         {
708                 Con_Printf("font function not found\n");
709                 return;
710         }
711
712         if(Cmd_Argc() < 3)
713                 filelist = "gfx/conchars";
714         else
715                 filelist = Cmd_Argv(2);
716
717         memset(f->fallbacks, 0, sizeof(f->fallbacks));
718         memset(f->fallback_faces, 0, sizeof(f->fallback_faces));
719
720         // first font is handled "normally"
721         c = strchr(filelist, ':');
722         cm = strchr(filelist, ',');
723         if(c && (!cm || c < cm))
724                 f->req_face = atoi(c+1);
725         else
726         {
727                 f->req_face = 0;
728                 c = cm;
729         }
730
731         if(!c || (c - filelist) > MAX_QPATH)
732                 strlcpy(mainfont, filelist, sizeof(mainfont));
733         else
734         {
735                 memcpy(mainfont, filelist, c - filelist);
736                 mainfont[c - filelist] = 0;
737         }
738
739         for(i = 0; i < MAX_FONT_FALLBACKS; ++i)
740         {
741                 c = strchr(filelist, ',');
742                 if(!c)
743                         break;
744                 filelist = c + 1;
745                 if(!*filelist)
746                         break;
747                 c = strchr(filelist, ':');
748                 cm = strchr(filelist, ',');
749                 if(c && (!cm || c < cm))
750                         f->fallback_faces[i] = atoi(c+1);
751                 else
752                 {
753                         f->fallback_faces[i] = 0; // f->req_face; could make it stick to the default-font's face index
754                         c = cm;
755                 }
756                 if(!c || (c-filelist) > MAX_QPATH)
757                 {
758                         strlcpy(f->fallbacks[i], filelist, sizeof(mainfont));
759                 }
760                 else
761                 {
762                         memcpy(f->fallbacks[i], filelist, c - filelist);
763                         f->fallbacks[i][c - filelist] = 0;
764                 }
765         }
766
767         // for now: by default load only one size: the default size
768         f->req_sizes[0] = 0;
769         for(i = 1; i < MAX_FONT_SIZES; ++i)
770                 f->req_sizes[i] = -1;
771
772         // for some reason this argc is 3 even when using 2 arguments here, maybe nexuiz screws up
773         if(Cmd_Argc() >= 3)
774         {
775                 for(i = 0; i < Cmd_Argc()-3; ++i)
776                 {
777                         sz = atof(Cmd_Argv(i+3));
778                         if (IS_NAN(sz)) // do not use crap sizes
779                                 continue;
780                         // now try to scale to our actual size:
781                         if (vid.width > 0)
782                                 sn = snap_to_pixel_y(sz, 0.5);
783                         else
784                         {
785                                 sn = sz * vid_height.value / vid_conheight.value;
786                                 si = (int)sn;
787                                 if ( sn - (float)si >= 0.5 )
788                                         ++si;
789                                 sn = si * vid_conheight.value / vid_height.value;
790                         }
791                         if (!IS_NAN(sn))
792                                 f->req_sizes[i] = sn;
793                         else
794                                 f->req_sizes[i] = sz;
795                 }
796         }
797         LoadFont(true, mainfont, f);
798 }
799
800 /*
801 ===============
802 Draw_Init
803 ===============
804 */
805 static void gl_draw_start(void)
806 {
807         int i;
808         drawtexturepool = R_AllocTexturePool();
809
810         numcachepics = 0;
811         memset(cachepichash, 0, sizeof(cachepichash));
812
813         font_start();
814
815         for(i = 0; i < MAX_FONTS; ++i)
816                 LoadFont(false, va("gfx/font_%s", dp_fonts[i].title), &dp_fonts[i]);
817
818         // draw the loading screen so people have something to see in the newly opened window
819         SCR_UpdateLoadingScreen(true);
820 }
821
822 static void gl_draw_shutdown(void)
823 {
824         font_shutdown();
825
826         R_FreeTexturePool(&drawtexturepool);
827
828         numcachepics = 0;
829         memset(cachepichash, 0, sizeof(cachepichash));
830 }
831
832 static void gl_draw_newmap(void)
833 {
834         font_newmap();
835 }
836
837 void GL_Draw_Init (void)
838 {
839         int i, j;
840         Cvar_RegisterVariable(&r_textshadow);
841         Cvar_RegisterVariable(&r_textbrightness);
842         Cvar_RegisterVariable(&r_textcontrast);
843         Cmd_AddCommand ("loadfont",LoadFont_f, "loadfont function tganame loads a font; example: loadfont console gfx/veramono; loadfont without arguments lists the available functions");
844         R_RegisterModule("GL_Draw", gl_draw_start, gl_draw_shutdown, gl_draw_newmap);
845
846         strlcpy(FONT_DEFAULT->title, "default", sizeof(FONT_DEFAULT->title));
847                 strlcpy(FONT_DEFAULT->texpath, "gfx/conchars", sizeof(FONT_DEFAULT->texpath));
848         strlcpy(FONT_CONSOLE->title, "console", sizeof(FONT_CONSOLE->title));
849         strlcpy(FONT_SBAR->title, "sbar", sizeof(FONT_SBAR->title));
850         strlcpy(FONT_NOTIFY->title, "notify", sizeof(FONT_NOTIFY->title));
851         strlcpy(FONT_CHAT->title, "chat", sizeof(FONT_CHAT->title));
852         strlcpy(FONT_CENTERPRINT->title, "centerprint", sizeof(FONT_CENTERPRINT->title));
853         strlcpy(FONT_INFOBAR->title, "infobar", sizeof(FONT_INFOBAR->title));
854         strlcpy(FONT_MENU->title, "menu", sizeof(FONT_MENU->title));
855         for(i = 0, j = 0; i < MAX_USERFONTS; ++i)
856                 if(!FONT_USER[i].title[0])
857                         dpsnprintf(FONT_USER[i].title, sizeof(FONT_USER[i].title), "user%d", j++);
858         Font_Init();
859 }
860
861 void _DrawQ_Setup(void)
862 {
863         r_viewport_t viewport;
864         if (r_refdef.draw2dstage)
865                 return;
866         r_refdef.draw2dstage = true;
867         CHECKGLERROR
868         R_Viewport_InitOrtho(&viewport, &identitymatrix, r_refdef.view.x, vid.height - r_refdef.view.y - r_refdef.view.height, r_refdef.view.width, r_refdef.view.height, 0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100, NULL);
869         R_SetViewport(&viewport);
870         GL_ColorMask(r_refdef.view.colormask[0], r_refdef.view.colormask[1], r_refdef.view.colormask[2], 1);
871         qglDepthFunc(GL_LEQUAL);CHECKGLERROR
872         qglDisable(GL_POLYGON_OFFSET_FILL);CHECKGLERROR
873         GL_CullFace(GL_FRONT); // quake is backwards, this culls back faces
874         R_EntityMatrix(&identitymatrix);
875
876         GL_DepthMask(true);
877         GL_DepthRange(0, 1);
878         GL_PolygonOffset(0, 0);
879         GL_DepthTest(false);
880         GL_Color(1,1,1,1);
881         GL_AlphaTest(false);
882         GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
883 }
884
885 static void _DrawQ_ProcessDrawFlag(int flags)
886 {
887         _DrawQ_Setup();
888         CHECKGLERROR
889         if(flags == DRAWFLAG_ADDITIVE)
890                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
891         else if(flags == DRAWFLAG_MODULATE)
892                 GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
893         else if(flags == DRAWFLAG_2XMODULATE)
894                 GL_BlendFunc(GL_DST_COLOR,GL_SRC_COLOR);
895         else if(flags == DRAWFLAG_SCREEN)
896                 GL_BlendFunc(GL_ONE_MINUS_DST_COLOR,GL_ONE);
897         else
898                 GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
899 }
900
901 void DrawQ_Pic(float x, float y, cachepic_t *pic, float width, float height, float red, float green, float blue, float alpha, int flags)
902 {
903         float floats[20];
904
905         _DrawQ_ProcessDrawFlag(flags);
906         GL_Color(red, green, blue, alpha);
907
908         R_Mesh_VertexPointer(floats, 0, 0);
909         R_Mesh_ColorPointer(NULL, 0, 0);
910         R_Mesh_ResetTextureState();
911         if (pic)
912         {
913                 if (width == 0)
914                         width = pic->width;
915                 if (height == 0)
916                         height = pic->height;
917                 R_SetupShader_Generic(Draw_GetPicTexture(pic), NULL, GL_MODULATE, 1);
918                 R_Mesh_TexCoordPointer(0, 2, floats + 12, 0, 0);
919
920 #if 1
921                 floats[12] = 0.0f;floats[13] = 0.0f;
922                 floats[14] = 1.0f;floats[15] = 0.0f;
923                 floats[16] = 1.0f;floats[17] = 1.0f;
924                 floats[18] = 0.0f;floats[19] = 1.0f;
925 #else
926       // AK07: lets be texel correct on the corners
927       {
928          float horz_offset = 0.5f / pic->width;
929          float vert_offset = 0.5f / pic->height;
930
931                    floats[12] = 0.0f + horz_offset;floats[13] = 0.0f + vert_offset;
932                    floats[14] = 1.0f - horz_offset;floats[15] = 0.0f + vert_offset;
933                    floats[16] = 1.0f - horz_offset;floats[17] = 1.0f - vert_offset;
934                    floats[18] = 0.0f + horz_offset;floats[19] = 1.0f - vert_offset;
935       }
936 #endif
937         }
938         else
939                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
940
941         floats[2] = floats[5] = floats[8] = floats[11] = 0;
942         floats[0] = floats[9] = x;
943         floats[1] = floats[4] = y;
944         floats[3] = floats[6] = x + width;
945         floats[7] = floats[10] = y + height;
946
947         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
948 }
949
950 void DrawQ_RotPic(float x, float y, cachepic_t *pic, float width, float height, float org_x, float org_y, float angle, float red, float green, float blue, float alpha, int flags)
951 {
952         float floats[20];
953         float af = DEG2RAD(-angle); // forward
954         float ar = DEG2RAD(-angle + 90); // right
955         float sinaf = sin(af);
956         float cosaf = cos(af);
957         float sinar = sin(ar);
958         float cosar = cos(ar);
959
960         _DrawQ_ProcessDrawFlag(flags);
961         GL_Color(red, green, blue, alpha);
962
963         R_Mesh_VertexPointer(floats, 0, 0);
964         R_Mesh_ColorPointer(NULL, 0, 0);
965         R_Mesh_ResetTextureState();
966         if (pic)
967         {
968                 if (width == 0)
969                         width = pic->width;
970                 if (height == 0)
971                         height = pic->height;
972                 R_SetupShader_Generic(Draw_GetPicTexture(pic), NULL, GL_MODULATE, 1);
973                 R_Mesh_TexCoordPointer(0, 2, floats + 12, 0, 0);
974
975                 floats[12] = 0.0f;floats[13] = 0.0f;
976                 floats[14] = 1.0f;floats[15] = 0.0f;
977                 floats[16] = 1.0f;floats[17] = 1.0f;
978                 floats[18] = 0.0f;floats[19] = 1.0f;
979         }
980         else
981                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
982
983         floats[2] = floats[5] = floats[8] = floats[11] = 0;
984
985 // top left
986         floats[0] = x - cosaf*org_x - cosar*org_y;
987         floats[1] = y - sinaf*org_x - sinar*org_y;
988
989 // top right
990         floats[3] = x + cosaf*(width-org_x) - cosar*org_y;
991         floats[4] = y + sinaf*(width-org_x) - sinar*org_y;
992
993 // bottom right
994         floats[6] = x + cosaf*(width-org_x) + cosar*(height-org_y);
995         floats[7] = y + sinaf*(width-org_x) + sinar*(height-org_y);
996
997 // bottom left
998         floats[9]  = x - cosaf*org_x + cosar*(height-org_y);
999         floats[10] = y - sinaf*org_x + sinar*(height-org_y);
1000
1001         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1002 }
1003
1004 void DrawQ_Fill(float x, float y, float width, float height, float red, float green, float blue, float alpha, int flags)
1005 {
1006         float floats[12];
1007
1008         _DrawQ_ProcessDrawFlag(flags);
1009         GL_Color(red, green, blue, alpha);
1010
1011         R_Mesh_VertexPointer(floats, 0, 0);
1012         R_Mesh_ColorPointer(NULL, 0, 0);
1013         R_Mesh_ResetTextureState();
1014         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1015
1016         floats[2] = floats[5] = floats[8] = floats[11] = 0;
1017         floats[0] = floats[9] = x;
1018         floats[1] = floats[4] = y;
1019         floats[3] = floats[6] = x + width;
1020         floats[7] = floats[10] = y + height;
1021
1022         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1023 }
1024
1025 /// color tag printing
1026 static const vec4_t string_colors[] =
1027 {
1028         // Quake3 colors
1029         // LordHavoc: why on earth is cyan before magenta in Quake3?
1030         // LordHavoc: note: Doom3 uses white for [0] and [7]
1031         {0.0, 0.0, 0.0, 1.0}, // black
1032         {1.0, 0.0, 0.0, 1.0}, // red
1033         {0.0, 1.0, 0.0, 1.0}, // green
1034         {1.0, 1.0, 0.0, 1.0}, // yellow
1035         {0.0, 0.0, 1.0, 1.0}, // blue
1036         {0.0, 1.0, 1.0, 1.0}, // cyan
1037         {1.0, 0.0, 1.0, 1.0}, // magenta
1038         {1.0, 1.0, 1.0, 1.0}, // white
1039         // [515]'s BX_COLOREDTEXT extension
1040         {1.0, 1.0, 1.0, 0.5}, // half transparent
1041         {0.5, 0.5, 0.5, 1.0}  // half brightness
1042         // Black's color table
1043         //{1.0, 1.0, 1.0, 1.0},
1044         //{1.0, 0.0, 0.0, 1.0},
1045         //{0.0, 1.0, 0.0, 1.0},
1046         //{0.0, 0.0, 1.0, 1.0},
1047         //{1.0, 1.0, 0.0, 1.0},
1048         //{0.0, 1.0, 1.0, 1.0},
1049         //{1.0, 0.0, 1.0, 1.0},
1050         //{0.1, 0.1, 0.1, 1.0}
1051 };
1052
1053 #define STRING_COLORS_COUNT     (sizeof(string_colors) / sizeof(vec4_t))
1054
1055 static void DrawQ_GetTextColor(float color[4], int colorindex, float r, float g, float b, float a, qboolean shadow)
1056 {
1057         float C = r_textcontrast.value;
1058         float B = r_textbrightness.value;
1059         if (colorindex & 0x10000) // that bit means RGB color
1060         {
1061                 color[0] = ((colorindex >> 12) & 0xf) / 15.0;
1062                 color[1] = ((colorindex >> 8) & 0xf) / 15.0;
1063                 color[2] = ((colorindex >> 4) & 0xf) / 15.0;
1064                 color[3] = (colorindex & 0xf) / 15.0;
1065         }
1066         else
1067                 Vector4Copy(string_colors[colorindex], color);
1068         Vector4Set(color, color[0] * r * C + B, color[1] * g * C + B, color[2] * b * C + B, color[3] * a);
1069         if (shadow)
1070         {
1071                 float shadowalpha = (color[0]+color[1]+color[2]) * 0.8;
1072                 Vector4Set(color, 0, 0, 0, color[3] * bound(0, shadowalpha, 1));
1073         }
1074 }
1075
1076 // NOTE: this function always draws exactly one character if maxwidth <= 0
1077 float DrawQ_TextWidth_Font_UntilWidth_TrackColors_Size(const char *text, float w, float h, size_t *maxlen, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxwidth)
1078 {
1079         const char *text_start = text;
1080         int colorindex = STRING_COLOR_DEFAULT;
1081         size_t i;
1082         float x = 0;
1083         Uchar ch, mapch, nextch;
1084         Uchar prevch = 0; // used for kerning
1085         int tempcolorindex;
1086         float kx;
1087         int map_index = 0;
1088         size_t bytes_left;
1089         ft2_font_map_t *fontmap = NULL;
1090         ft2_font_map_t *map = NULL;
1091         ft2_font_map_t *prevmap = NULL;
1092         ft2_font_t *ft2 = fnt->ft2;
1093         // float ftbase_x;
1094         qboolean snap = true;
1095         qboolean least_one = false;
1096
1097         if (!h) h = w;
1098         if (!h) {
1099                 w = h = 1;
1100                 snap = false;
1101         }
1102         // do this in the end
1103         w *= fnt->scale;
1104         h *= fnt->scale;
1105
1106         // find the most fitting size:
1107         if (ft2 != NULL)
1108         {
1109                 if (snap)
1110                         map_index = Font_IndexForSize(ft2, h, &w, &h);
1111                 else
1112                         map_index = Font_IndexForSize(ft2, h, NULL, NULL);
1113                 fontmap = Font_MapForIndex(ft2, map_index);
1114         }
1115
1116         if (*maxlen < 1)
1117                 *maxlen = 1<<30;
1118
1119         if (!outcolor || *outcolor == -1)
1120                 colorindex = STRING_COLOR_DEFAULT;
1121         else
1122                 colorindex = *outcolor;
1123
1124         // maxwidth /= fnt->scale; // w and h are multiplied by it already
1125         // ftbase_x = snap_to_pixel_x(0);
1126         
1127         if(maxwidth <= 0)
1128         {
1129                 least_one = true;
1130                 maxwidth = -maxwidth;
1131         }
1132
1133         for (i = 0;((bytes_left = *maxlen - (text - text_start)) > 0) && *text;)
1134         {
1135                 size_t i0 = i;
1136                 nextch = ch = u8_getnchar(text, &text, bytes_left);
1137                 i = text - text_start;
1138                 if (!ch)
1139                         break;
1140                 if (snap)
1141                         x = snap_to_pixel_x(x, 0.4);
1142                 if (ch == ' ' && !fontmap)
1143                 {
1144                         if(!least_one || i0) // never skip the first character
1145                         if(x + fnt->width_of[(int) ' '] * w > maxwidth)
1146                         {
1147                                 i = i0;
1148                                 break; // oops, can't draw this
1149                         }
1150                         x += fnt->width_of[(int) ' '] * w;
1151                         continue;
1152                 }
1153                 // i points to the char after ^
1154                 if (ch == STRING_COLOR_TAG && !ignorecolorcodes && i < *maxlen)
1155                 {
1156                         ch = *text; // colors are ascii, so no u8_ needed
1157                         if (ch <= '9' && ch >= '0') // ^[0-9] found
1158                         {
1159                                 colorindex = ch - '0';
1160                                 ++text;
1161                                 ++i;
1162                                 continue;
1163                         }
1164                         // i points to the char after ^...
1165                         // i+3 points to 3 in ^x123
1166                         // i+3 == *maxlen would mean that char is missing
1167                         else if (ch == STRING_COLOR_RGB_TAG_CHAR && i + 3 < *maxlen ) // ^x found
1168                         {
1169                                 // building colorindex...
1170                                 ch = tolower(text[1]);
1171                                 tempcolorindex = 0x10000; // binary: 1,0000,0000,0000,0000
1172                                 if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 12;
1173                                 else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 12;
1174                                 else tempcolorindex = 0;
1175                                 if (tempcolorindex)
1176                                 {
1177                                         ch = tolower(text[2]);
1178                                         if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 8;
1179                                         else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 8;
1180                                         else tempcolorindex = 0;
1181                                         if (tempcolorindex)
1182                                         {
1183                                                 ch = tolower(text[3]);
1184                                                 if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 4;
1185                                                 else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 4;
1186                                                 else tempcolorindex = 0;
1187                                                 if (tempcolorindex)
1188                                                 {
1189                                                         colorindex = tempcolorindex | 0xf;
1190                                                         // ...done! now colorindex has rgba codes (1,rrrr,gggg,bbbb,aaaa)
1191                                                         i+=4;
1192                                                         text += 4;
1193                                                         continue;
1194                                                 }
1195                                         }
1196                                 }
1197                         }
1198                         else if (ch == STRING_COLOR_TAG) // ^^ found, ignore the first ^ and go to print the second
1199                         {
1200                                 i++;
1201                                 text++;
1202                         }
1203                         i--;
1204                 }
1205                 ch = nextch;
1206
1207                 if (!fontmap || (ch <= 0xFF && fontmap->glyphs[ch].image) || (ch >= 0xE000 && ch <= 0xE0FF))
1208                 {
1209                         if (ch > 0xE000)
1210                                 ch -= 0xE000;
1211                         if (ch > 0xFF)
1212                                 continue;
1213                         if (fontmap)
1214                                 map = ft2_oldstyle_map;
1215                         prevch = 0;
1216                         if(!least_one || i0) // never skip the first character
1217                         if(x + fnt->width_of[ch] * w > maxwidth)
1218                         {
1219                                 i = i0;
1220                                 break; // oops, can't draw this
1221                         }
1222                         x += fnt->width_of[ch] * w;
1223                 } else {
1224                         if (!map || map == ft2_oldstyle_map || map->start < ch || map->start + FONT_CHARS_PER_MAP >= ch)
1225                         {
1226                                 map = FontMap_FindForChar(fontmap, ch);
1227                                 if (!map)
1228                                 {
1229                                         if (!Font_LoadMapForIndex(ft2, map_index, ch, &map))
1230                                                 break;
1231                                         if (!map)
1232                                                 break;
1233                                 }
1234                         }
1235                         mapch = ch - map->start;
1236                         if (prevch && Font_GetKerningForMap(ft2, map_index, w, h, prevch, ch, &kx, NULL))
1237                                 x += kx * w;
1238                         x += map->glyphs[mapch].advance_x * w;
1239                         prevmap = map;
1240                         prevch = ch;
1241                 }
1242         }
1243
1244         *maxlen = i;
1245
1246         if (outcolor)
1247                 *outcolor = colorindex;
1248
1249         return x;
1250 }
1251
1252 float DrawQ_String_Font(float startx, float starty, const char *text, size_t maxlen, float w, float h, float basered, float basegreen, float baseblue, float basealpha, int flags, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt)
1253 {
1254         int shadow, colorindex = STRING_COLOR_DEFAULT;
1255         size_t i;
1256         float x = startx, y, s, t, u, v, thisw;
1257         float *av, *at, *ac;
1258         float color[4];
1259         int batchcount;
1260         static float vertex3f[QUADELEMENTS_MAXQUADS*4*3];
1261         static float texcoord2f[QUADELEMENTS_MAXQUADS*4*2];
1262         static float color4f[QUADELEMENTS_MAXQUADS*4*4];
1263         Uchar ch, mapch, nextch;
1264         Uchar prevch = 0; // used for kerning
1265         int tempcolorindex;
1266         int map_index = 0;
1267         ft2_font_map_t *prevmap = NULL; // the previous map
1268         ft2_font_map_t *map = NULL;     // the currently used map
1269         ft2_font_map_t *fontmap = NULL; // the font map for the size
1270         float ftbase_y;
1271         const char *text_start = text;
1272         float kx, ky;
1273         ft2_font_t *ft2 = fnt->ft2;
1274         qboolean snap = true;
1275         float pix_x, pix_y;
1276         size_t bytes_left;
1277
1278         int tw, th;
1279         tw = R_TextureWidth(fnt->tex);
1280         th = R_TextureHeight(fnt->tex);
1281
1282         if (!h) h = w;
1283         if (!h) {
1284                 h = w = 1;
1285                 snap = false;
1286         }
1287
1288         starty -= (fnt->scale - 1) * h * 0.5; // center
1289         w *= fnt->scale;
1290         h *= fnt->scale;
1291
1292         if (ft2 != NULL)
1293         {
1294                 if (snap)
1295                         map_index = Font_IndexForSize(ft2, h, &w, &h);
1296                 else
1297                         map_index = Font_IndexForSize(ft2, h, NULL, NULL);
1298                 fontmap = Font_MapForIndex(ft2, map_index);
1299         }
1300
1301         // draw the font at its baseline when using freetype
1302         //ftbase_x = 0;
1303         ftbase_y = h * (4.5/6.0);
1304
1305         if (maxlen < 1)
1306                 maxlen = 1<<30;
1307
1308         _DrawQ_ProcessDrawFlag(flags);
1309
1310         R_Mesh_ColorPointer(color4f, 0, 0);
1311         R_Mesh_ResetTextureState();
1312         if (!fontmap)
1313                 R_Mesh_TexBind(0, R_GetTexture(fnt->tex));
1314         R_Mesh_TexCoordPointer(0, 2, texcoord2f, 0, 0);
1315         R_Mesh_VertexPointer(vertex3f, 0, 0);
1316         R_SetupShader_Generic(fnt->tex, NULL, GL_MODULATE, 1);
1317
1318         ac = color4f;
1319         at = texcoord2f;
1320         av = vertex3f;
1321         batchcount = 0;
1322
1323         //ftbase_x = snap_to_pixel_x(ftbase_x);
1324         ftbase_y = snap_to_pixel_y(ftbase_y, 0.3);
1325
1326         pix_x = vid.width / vid_conwidth.value;
1327         pix_y = vid.height / vid_conheight.value;
1328         for (shadow = r_textshadow.value != 0 && basealpha > 0;shadow >= 0;shadow--)
1329         {
1330                 text = text_start;
1331
1332                 if (!outcolor || *outcolor == -1)
1333                         colorindex = STRING_COLOR_DEFAULT;
1334                 else
1335                         colorindex = *outcolor;
1336
1337                 DrawQ_GetTextColor(color, colorindex, basered, basegreen, baseblue, basealpha, shadow != 0);
1338
1339                 x = startx;
1340                 y = starty;
1341                 /*
1342                 if (shadow)
1343                 {
1344                         x += r_textshadow.value * vid.width / vid_conwidth.value;
1345                         y += r_textshadow.value * vid.height / vid_conheight.value;
1346                 }
1347                 */
1348                 for (i = 0;((bytes_left = maxlen - (text - text_start)) > 0) && *text;)
1349                 {
1350                         nextch = ch = u8_getnchar(text, &text, bytes_left);
1351                         i = text - text_start;
1352                         if (!ch)
1353                                 break;
1354                         if (snap)
1355                         {
1356                                 x = snap_to_pixel_x(x, 0.4);
1357                                 y = snap_to_pixel_y(y, 0.4);
1358                         }
1359                         if (ch == ' ' && !fontmap)
1360                         {
1361                                 x += fnt->width_of[(int) ' '] * w;
1362                                 continue;
1363                         }
1364                         if (ch == STRING_COLOR_TAG && !ignorecolorcodes && i < maxlen)
1365                         {
1366                                 ch = *text; // colors are ascii, so no u8_ needed
1367                                 if (ch <= '9' && ch >= '0') // ^[0-9] found
1368                                 {
1369                                         colorindex = ch - '0';
1370                                         DrawQ_GetTextColor(color, colorindex, basered, basegreen, baseblue, basealpha, shadow != 0);
1371                                         ++text;
1372                                         ++i;
1373                                         continue;
1374                                 }
1375                                 else if (ch == STRING_COLOR_RGB_TAG_CHAR && i+3 < maxlen ) // ^x found
1376                                 {
1377                                         // building colorindex...
1378                                         ch = tolower(text[1]);
1379                                         tempcolorindex = 0x10000; // binary: 1,0000,0000,0000,0000
1380                                         if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 12;
1381                                         else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 12;
1382                                         else tempcolorindex = 0;
1383                                         if (tempcolorindex)
1384                                         {
1385                                                 ch = tolower(text[2]);
1386                                                 if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 8;
1387                                                 else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 8;
1388                                                 else tempcolorindex = 0;
1389                                                 if (tempcolorindex)
1390                                                 {
1391                                                         ch = tolower(text[3]);
1392                                                         if (ch <= '9' && ch >= '0') tempcolorindex |= (ch - '0') << 4;
1393                                                         else if (ch >= 'a' && ch <= 'f') tempcolorindex |= (ch - 87) << 4;
1394                                                         else tempcolorindex = 0;
1395                                                         if (tempcolorindex)
1396                                                         {
1397                                                                 colorindex = tempcolorindex | 0xf;
1398                                                                 // ...done! now colorindex has rgba codes (1,rrrr,gggg,bbbb,aaaa)
1399                                                                 //Con_Printf("^1colorindex:^7 %x\n", colorindex);
1400                                                                 DrawQ_GetTextColor(color, colorindex, basered, basegreen, baseblue, basealpha, shadow != 0);
1401                                                                 i+=4;
1402                                                                 text+=4;
1403                                                                 continue;
1404                                                         }
1405                                                 }
1406                                         }
1407                                 }
1408                                 else if (ch == STRING_COLOR_TAG)
1409                                 {
1410                                         i++;
1411                                         text++;
1412                                 }
1413                                 i--;
1414                         }
1415                         // get the backup
1416                         ch = nextch;
1417                         // using a value of -1 for the oldstyle map because NULL means uninitialized...
1418                         // this way we don't need to rebind fnt->tex for every old-style character
1419                         // E000..E0FF: emulate old-font characters (to still have smileys and such available)
1420                         if (shadow)
1421                         {
1422                                 x += pix_x * r_textshadow.value;
1423                                 y += pix_y * r_textshadow.value;
1424                         }
1425                         if (!fontmap || (ch <= 0xFF && fontmap->glyphs[ch].image) || (ch >= 0xE000 && ch <= 0xE0FF))
1426                         {
1427                                 if (ch > 0xE000)
1428                                         ch -= 0xE000;
1429                                 if (ch > 0xFF)
1430                                         continue;
1431                                 if (fontmap)
1432                                 {
1433                                         if (map != ft2_oldstyle_map)
1434                                         {
1435                                                 if (batchcount)
1436                                                 {
1437                                                         // switching from freetype to non-freetype rendering
1438                                                         GL_LockArrays(0, batchcount * 4);
1439                                                         R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1440                                                         GL_LockArrays(0, 0);
1441                                                         batchcount = 0;
1442                                                         ac = color4f;
1443                                                         at = texcoord2f;
1444                                                         av = vertex3f;
1445                                                 }
1446                                                 R_SetupShader_Generic(fnt->tex, NULL, GL_MODULATE, 1);
1447                                                 map = ft2_oldstyle_map;
1448                                         }
1449                                 }
1450                                 prevch = 0;
1451                                 //num = (unsigned char) text[i];
1452                                 //thisw = fnt->width_of[num];
1453                                 thisw = fnt->width_of[ch];
1454                                 // FIXME make these smaller to just include the occupied part of the character for slightly faster rendering
1455                                 s = (ch & 15)*0.0625f + (0.5f / tw);
1456                                 t = (ch >> 4)*0.0625f + (0.5f / th);
1457                                 u = 0.0625f * thisw - (1.0f / tw);
1458                                 v = 0.0625f - (1.0f / th);
1459                                 ac[ 0] = color[0];ac[ 1] = color[1];ac[ 2] = color[2];ac[ 3] = color[3];
1460                                 ac[ 4] = color[0];ac[ 5] = color[1];ac[ 6] = color[2];ac[ 7] = color[3];
1461                                 ac[ 8] = color[0];ac[ 9] = color[1];ac[10] = color[2];ac[11] = color[3];
1462                                 ac[12] = color[0];ac[13] = color[1];ac[14] = color[2];ac[15] = color[3];
1463                                 at[ 0] = s              ; at[ 1] = t    ;
1464                                 at[ 2] = s+u    ; at[ 3] = t    ;
1465                                 at[ 4] = s+u    ; at[ 5] = t+v  ;
1466                                 at[ 6] = s              ; at[ 7] = t+v  ;
1467                                 av[ 0] = x                      ; av[ 1] = y    ; av[ 2] = 10;
1468                                 av[ 3] = x+w*thisw      ; av[ 4] = y    ; av[ 5] = 10;
1469                                 av[ 6] = x+w*thisw      ; av[ 7] = y+h  ; av[ 8] = 10;
1470                                 av[ 9] = x                      ; av[10] = y+h  ; av[11] = 10;
1471                                 ac += 16;
1472                                 at += 8;
1473                                 av += 12;
1474                                 batchcount++;
1475                                 if (batchcount >= QUADELEMENTS_MAXQUADS)
1476                                 {
1477                                         GL_LockArrays(0, batchcount * 4);
1478                                         R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1479                                         GL_LockArrays(0, 0);
1480                                         batchcount = 0;
1481                                         ac = color4f;
1482                                         at = texcoord2f;
1483                                         av = vertex3f;
1484                                 }
1485                                 x += thisw * w;
1486                         } else {
1487                                 if (!map || map == ft2_oldstyle_map || map->start < ch || map->start + FONT_CHARS_PER_MAP >= ch)
1488                                 {
1489                                         // new charmap - need to render
1490                                         if (batchcount)
1491                                         {
1492                                                 // we need a different character map, render what we currently have:
1493                                                 GL_LockArrays(0, batchcount * 4);
1494                                                 R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1495                                                 GL_LockArrays(0, 0);
1496                                                 batchcount = 0;
1497                                                 ac = color4f;
1498                                                 at = texcoord2f;
1499                                                 av = vertex3f;
1500                                         }
1501                                         // find the new map
1502                                         map = FontMap_FindForChar(fontmap, ch);
1503                                         if (!map)
1504                                         {
1505                                                 if (!Font_LoadMapForIndex(ft2, map_index, ch, &map))
1506                                                 {
1507                                                         shadow = -1;
1508                                                         break;
1509                                                 }
1510                                                 if (!map)
1511                                                 {
1512                                                         // this shouldn't happen
1513                                                         shadow = -1;
1514                                                         break;
1515                                                 }
1516                                         }
1517                                         R_SetupShader_Generic(map->texture, NULL, GL_MODULATE, 1);
1518                                 }
1519
1520                                 mapch = ch - map->start;
1521                                 thisw = map->glyphs[mapch].advance_x;
1522
1523                                 //x += ftbase_x;
1524                                 y += ftbase_y;
1525                                 if (prevch && Font_GetKerningForMap(ft2, map_index, w, h, prevch, ch, &kx, &ky))
1526                                 {
1527                                         x += kx * w;
1528                                         y += ky * h;
1529                                 }
1530                                 else
1531                                         kx = ky = 0;
1532                                 ac[ 0] = color[0]; ac[ 1] = color[1]; ac[ 2] = color[2]; ac[ 3] = color[3];
1533                                 ac[ 4] = color[0]; ac[ 5] = color[1]; ac[ 6] = color[2]; ac[ 7] = color[3];
1534                                 ac[ 8] = color[0]; ac[ 9] = color[1]; ac[10] = color[2]; ac[11] = color[3];
1535                                 ac[12] = color[0]; ac[13] = color[1]; ac[14] = color[2]; ac[15] = color[3];
1536                                 at[0] = map->glyphs[mapch].txmin; at[1] = map->glyphs[mapch].tymin;
1537                                 at[2] = map->glyphs[mapch].txmax; at[3] = map->glyphs[mapch].tymin;
1538                                 at[4] = map->glyphs[mapch].txmax; at[5] = map->glyphs[mapch].tymax;
1539                                 at[6] = map->glyphs[mapch].txmin; at[7] = map->glyphs[mapch].tymax;
1540                                 av[ 0] = x + w * map->glyphs[mapch].vxmin; av[ 1] = y + h * map->glyphs[mapch].vymin; av[ 2] = 10;
1541                                 av[ 3] = x + w * map->glyphs[mapch].vxmax; av[ 4] = y + h * map->glyphs[mapch].vymin; av[ 5] = 10;
1542                                 av[ 6] = x + w * map->glyphs[mapch].vxmax; av[ 7] = y + h * map->glyphs[mapch].vymax; av[ 8] = 10;
1543                                 av[ 9] = x + w * map->glyphs[mapch].vxmin; av[10] = y + h * map->glyphs[mapch].vymax; av[11] = 10;
1544                                 //x -= ftbase_x;
1545                                 y -= ftbase_y;
1546
1547                                 x += thisw * w;
1548                                 ac += 16;
1549                                 at += 8;
1550                                 av += 12;
1551                                 batchcount++;
1552                                 if (batchcount >= QUADELEMENTS_MAXQUADS)
1553                                 {
1554                                         GL_LockArrays(0, batchcount * 4);
1555                                         R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1556                                         GL_LockArrays(0, 0);
1557                                         batchcount = 0;
1558                                         ac = color4f;
1559                                         at = texcoord2f;
1560                                         av = vertex3f;
1561                                 }
1562
1563                                 prevmap = map;
1564                                 prevch = ch;
1565                         }
1566                         if (shadow)
1567                         {
1568                                 x -= pix_x * r_textshadow.value;
1569                                 y -= pix_y * r_textshadow.value;
1570                         }
1571                 }
1572         }
1573         if (batchcount > 0)
1574         {
1575                 GL_LockArrays(0, batchcount * 4);
1576                 R_Mesh_Draw(0, batchcount * 4, 0, batchcount * 2, quadelement3i, quadelement3s, 0, 0);
1577                 GL_LockArrays(0, 0);
1578         }
1579
1580         if (outcolor)
1581                 *outcolor = colorindex;
1582
1583         // note: this relies on the proper text (not shadow) being drawn last
1584         return x;
1585 }
1586
1587 float DrawQ_String(float startx, float starty, const char *text, size_t maxlen, float w, float h, float basered, float basegreen, float baseblue, float basealpha, int flags, int *outcolor, qboolean ignorecolorcodes)
1588 {
1589         return DrawQ_String_Font(startx, starty, text, maxlen, w, h, basered, basegreen, baseblue, basealpha, flags, outcolor, ignorecolorcodes, &dp_fonts[0]);
1590 }
1591
1592 float DrawQ_TextWidth_Font(const char *text, size_t maxlen, qboolean ignorecolorcodes, const dp_font_t *fnt)
1593 {
1594         return DrawQ_TextWidth_Font_UntilWidth(text, &maxlen, ignorecolorcodes, fnt, 1000000000);
1595 }
1596
1597 float DrawQ_TextWidth_Font_Size(const char *text, float w, float h, size_t maxlen, qboolean ignorecolorcodes, const dp_font_t *fnt)
1598 {
1599         return DrawQ_TextWidth_Font_UntilWidth_Size(text, w, h, &maxlen, ignorecolorcodes, fnt, 1000000000);
1600 }
1601
1602 float DrawQ_TextWidth_Font_UntilWidth(const char *text, size_t *maxlen, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxWidth)
1603 {
1604         return DrawQ_TextWidth_Font_UntilWidth_TrackColors(text, maxlen, NULL, ignorecolorcodes, fnt, maxWidth);
1605 }
1606
1607 float DrawQ_TextWidth_Font_UntilWidth_Size(const char *text, float w, float h, size_t *maxlen, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxWidth)
1608 {
1609         return DrawQ_TextWidth_Font_UntilWidth_TrackColors_Size(text, w, h, maxlen, NULL, ignorecolorcodes, fnt, maxWidth);
1610 }
1611
1612 float DrawQ_TextWidth_Font_UntilWidth_TrackColors(const char *text, size_t *maxlen, int *outcolor, qboolean ignorecolorcodes, const dp_font_t *fnt, float maxwidth)
1613 {
1614         return DrawQ_TextWidth_Font_UntilWidth_TrackColors_Size(text, 0, 0, maxlen, outcolor, ignorecolorcodes, fnt, maxwidth);
1615 }
1616
1617 #if 0
1618 // not used
1619 // no ^xrgb management
1620 static int DrawQ_BuildColoredText(char *output2c, size_t maxoutchars, const char *text, int maxreadchars, qboolean ignorecolorcodes, int *outcolor)
1621 {
1622         int color, numchars = 0;
1623         char *outputend2c = output2c + maxoutchars - 2;
1624         if (!outcolor || *outcolor == -1)
1625                 color = STRING_COLOR_DEFAULT;
1626         else
1627                 color = *outcolor;
1628         if (!maxreadchars)
1629                 maxreadchars = 1<<30;
1630         textend = text + maxreadchars;
1631         while (text != textend && *text)
1632         {
1633                 if (*text == STRING_COLOR_TAG && !ignorecolorcodes && text + 1 != textend)
1634                 {
1635                         if (text[1] == STRING_COLOR_TAG)
1636                                 text++;
1637                         else if (text[1] >= '0' && text[1] <= '9')
1638                         {
1639                                 color = text[1] - '0';
1640                                 text += 2;
1641                                 continue;
1642                         }
1643                 }
1644                 if (output2c >= outputend2c)
1645                         break;
1646                 *output2c++ = *text++;
1647                 *output2c++ = color;
1648                 numchars++;
1649         }
1650         output2c[0] = output2c[1] = 0;
1651         if (outcolor)
1652                 *outcolor = color;
1653         return numchars;
1654 }
1655 #endif
1656
1657 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)
1658 {
1659         float floats[36];
1660
1661         _DrawQ_ProcessDrawFlag(flags);
1662
1663         R_Mesh_VertexPointer(floats, 0, 0);
1664         R_Mesh_ColorPointer(floats + 20, 0, 0);
1665         R_Mesh_ResetTextureState();
1666         if (pic)
1667         {
1668                 if (width == 0)
1669                         width = pic->width;
1670                 if (height == 0)
1671                         height = pic->height;
1672                 R_SetupShader_Generic(Draw_GetPicTexture(pic), NULL, GL_MODULATE, 1);
1673                 R_Mesh_TexCoordPointer(0, 2, floats + 12, 0, 0);
1674                 floats[12] = s1;floats[13] = t1;
1675                 floats[14] = s2;floats[15] = t2;
1676                 floats[16] = s4;floats[17] = t4;
1677                 floats[18] = s3;floats[19] = t3;
1678         }
1679         else
1680                 R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1681
1682         floats[2] = floats[5] = floats[8] = floats[11] = 0;
1683         floats[0] = floats[9] = x;
1684         floats[1] = floats[4] = y;
1685         floats[3] = floats[6] = x + width;
1686         floats[7] = floats[10] = y + height;
1687         floats[20] = r1;floats[21] = g1;floats[22] = b1;floats[23] = a1;
1688         floats[24] = r2;floats[25] = g2;floats[26] = b2;floats[27] = a2;
1689         floats[28] = r4;floats[29] = g4;floats[30] = b4;floats[31] = a4;
1690         floats[32] = r3;floats[33] = g3;floats[34] = b3;floats[35] = a3;
1691
1692         R_Mesh_Draw(0, 4, 0, 2, polygonelement3i, polygonelement3s, 0, 0);
1693 }
1694
1695 void DrawQ_Mesh (drawqueuemesh_t *mesh, int flags)
1696 {
1697         _DrawQ_ProcessDrawFlag(flags);
1698
1699         R_Mesh_VertexPointer(mesh->data_vertex3f, 0, 0);
1700         R_Mesh_ColorPointer(mesh->data_color4f, 0, 0);
1701         R_Mesh_ResetTextureState();
1702         R_Mesh_TexCoordPointer(0, 2, mesh->data_texcoord2f, 0, 0);
1703         R_SetupShader_Generic(mesh->texture, NULL, GL_MODULATE, 1);
1704
1705         GL_LockArrays(0, mesh->num_vertices);
1706         R_Mesh_Draw(0, mesh->num_vertices, 0, mesh->num_triangles, mesh->data_element3i, mesh->data_element3s, 0, 0);
1707         GL_LockArrays(0, 0);
1708 }
1709
1710 void DrawQ_LineLoop (drawqueuemesh_t *mesh, int flags)
1711 {
1712         int num;
1713
1714         _DrawQ_ProcessDrawFlag(flags);
1715
1716         GL_Color(1,1,1,1);
1717         CHECKGLERROR
1718         qglBegin(GL_LINE_LOOP);
1719         for (num = 0;num < mesh->num_vertices;num++)
1720         {
1721                 if (mesh->data_color4f)
1722                         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]);
1723                 qglVertex2f(mesh->data_vertex3f[num*3+0], mesh->data_vertex3f[num*3+1]);
1724         }
1725         qglEnd();
1726         CHECKGLERROR
1727 }
1728
1729 //[515]: this is old, delete
1730 void DrawQ_Line (float width, float x1, float y1, float x2, float y2, float r, float g, float b, float alpha, int flags)
1731 {
1732         _DrawQ_ProcessDrawFlag(flags);
1733
1734         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1735
1736         CHECKGLERROR
1737         //qglLineWidth(width);CHECKGLERROR
1738
1739         GL_Color(r,g,b,alpha);
1740         CHECKGLERROR
1741         qglBegin(GL_LINES);
1742         qglVertex2f(x1, y1);
1743         qglVertex2f(x2, y2);
1744         qglEnd();
1745         CHECKGLERROR
1746 }
1747
1748 void DrawQ_SetClipArea(float x, float y, float width, float height)
1749 {
1750         int ix, iy, iw, ih;
1751         _DrawQ_Setup();
1752
1753         // We have to convert the con coords into real coords
1754         // OGL uses top to bottom
1755         ix = (int)(0.5 + x * ((float)vid.width / vid_conwidth.integer));
1756         iy = (int)(0.5 + y * ((float) vid.height / vid_conheight.integer));
1757         iw = (int)(width * ((float)vid.width / vid_conwidth.integer));
1758         ih = (int)(height * ((float)vid.height / vid_conheight.integer));
1759         GL_Scissor(ix, vid.height - iy - ih, iw, ih);
1760
1761         GL_ScissorTest(true);
1762 }
1763
1764 void DrawQ_ResetClipArea(void)
1765 {
1766         _DrawQ_Setup();
1767         GL_ScissorTest(false);
1768 }
1769
1770 void DrawQ_Finish(void)
1771 {
1772         r_refdef.draw2dstage = false;
1773 }
1774
1775 static float blendvertex3f[9] = {-5000, -5000, 10, 10000, -5000, 10, -5000, 10000, 10};
1776 void R_DrawGamma(void)
1777 {
1778         float c[4];
1779         switch(vid.renderpath)
1780         {
1781         case RENDERPATH_GL20:
1782         case RENDERPATH_CGGL:
1783                 if (vid_usinghwgamma || v_glslgamma.integer)
1784                         return;
1785                 break;
1786         case RENDERPATH_GL13:
1787         case RENDERPATH_GL11:
1788                 if (vid_usinghwgamma)
1789                         return;
1790                 break;
1791         }
1792         // all the blends ignore depth
1793         R_Mesh_VertexPointer(blendvertex3f, 0, 0);
1794         R_Mesh_ColorPointer(NULL, 0, 0);
1795         R_Mesh_ResetTextureState();
1796         R_SetupShader_Generic(NULL, NULL, GL_MODULATE, 1);
1797         GL_DepthMask(true);
1798         GL_DepthRange(0, 1);
1799         GL_PolygonOffset(0, 0);
1800         GL_DepthTest(false);
1801         if (v_color_enable.integer)
1802         {
1803                 c[0] = v_color_white_r.value;
1804                 c[1] = v_color_white_g.value;
1805                 c[2] = v_color_white_b.value;
1806         }
1807         else
1808                 c[0] = c[1] = c[2] = v_contrast.value;
1809         if (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f)
1810         {
1811                 GL_BlendFunc(GL_DST_COLOR, GL_ONE);
1812                 while (c[0] >= 1.01f || c[1] >= 1.01f || c[2] >= 1.01f)
1813                 {
1814                         GL_Color(bound(0, c[0] - 1, 1), bound(0, c[1] - 1, 1), bound(0, c[2] - 1, 1), 1);
1815                         R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, polygonelement3s, 0, 0);
1816                         VectorScale(c, 0.5, c);
1817                 }
1818         }
1819         if (v_color_enable.integer)
1820         {
1821                 c[0] = v_color_black_r.value;
1822                 c[1] = v_color_black_g.value;
1823                 c[2] = v_color_black_b.value;
1824         }
1825         else
1826                 c[0] = c[1] = c[2] = v_brightness.value;
1827         if (c[0] >= 0.01f || c[1] >= 0.01f || c[2] >= 0.01f)
1828         {
1829                 GL_BlendFunc(GL_ONE, GL_ONE);
1830                 GL_Color(c[0], c[1], c[2], 1);
1831                 R_Mesh_Draw(0, 3, 0, 1, polygonelement3i, polygonelement3s, 0, 0);
1832         }
1833 }
1834