98e75f2d |
1 | /* |
2 | * Glide64 - Glide video plugin for Nintendo 64 emulators. |
3 | * Copyright (c) 2002 Dave2001 |
4 | * Copyright (c) 2003-2009 Sergey 'Gonetz' Lipski |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * any later version. |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | */ |
20 | |
21 | #ifdef _WIN32 |
22 | #include <windows.h> |
23 | #else // _WIN32 |
24 | #include <stdlib.h> |
25 | #endif // _WIN32 |
26 | #include "glide.h" |
27 | #include "main.h" |
28 | #include <stdio.h> |
29 | |
30 | #include "../Glide64/ticks.h" |
31 | |
32 | /* Napalm extensions to GrTextureFormat_t */ |
33 | #define GR_TEXFMT_ARGB_CMP_FXT1 0x11 |
34 | #define GR_TEXFMT_ARGB_8888 0x12 |
35 | #define GR_TEXFMT_YUYV_422 0x13 |
36 | #define GR_TEXFMT_UYVY_422 0x14 |
37 | #define GR_TEXFMT_AYUV_444 0x15 |
38 | #define GR_TEXFMT_ARGB_CMP_DXT1 0x16 |
39 | #define GR_TEXFMT_ARGB_CMP_DXT2 0x17 |
40 | #define GR_TEXFMT_ARGB_CMP_DXT3 0x18 |
41 | #define GR_TEXFMT_ARGB_CMP_DXT4 0x19 |
42 | #define GR_TEXFMT_ARGB_CMP_DXT5 0x1A |
43 | #define GR_TEXTFMT_RGB_888 0xFF |
44 | |
45 | int TMU_SIZE = 8*2048*2048; |
46 | static unsigned char* texture = NULL; |
47 | |
48 | int packed_pixels_support = -1; |
49 | int ati_sucks = -1; |
50 | float largest_supported_anisotropy = 1.0f; |
51 | |
52 | #ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT |
53 | #define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE |
54 | #endif |
55 | |
56 | int tex0_width, tex0_height, tex1_width, tex1_height; |
57 | float lambda; |
58 | |
59 | static int min_filter0, mag_filter0, wrap_s0, wrap_t0; |
60 | static int min_filter1, mag_filter1, wrap_s1, wrap_t1; |
61 | |
62 | unsigned char *filter(unsigned char *source, int width, int height, int *width2, int *height2); |
63 | |
64 | #define TEXBSP |
65 | #ifdef TEXBSP |
66 | typedef struct _texbsp |
67 | { |
68 | unsigned int id; |
69 | struct _texbsp *left; |
70 | struct _texbsp *right; |
71 | } texbsp; |
72 | |
73 | static int nbTex = 0; |
74 | static texbsp *list = NULL; |
75 | #elif defined(TEXREDBLACK) |
76 | typedef struct _texbsp |
77 | { |
78 | unsigned int id; |
79 | int color; |
80 | struct _texbsp *left; |
81 | struct _texbsp *right; |
82 | struct _texbsp *parent; |
83 | } texbsp; |
84 | |
85 | static int nbTex = 0; |
86 | static texbsp *list = NULL; |
87 | #else |
88 | typedef struct _texlist |
89 | { |
90 | unsigned int id; |
91 | struct _texlist *next; |
92 | } texlist; |
93 | |
94 | static int nbTex = 0; |
95 | static texlist *list = NULL; |
96 | #endif |
97 | |
98 | #ifdef _WIN32 |
99 | extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT; |
100 | extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT; |
101 | extern PFNGLCOMPRESSEDTEXIMAGE2DARBPROC glCompressedTexImage2DARB; |
102 | #endif |
103 | #ifdef TEXREDBLACK |
104 | // utilitie function for red-black tree |
105 | // taken from Wikipedia |
106 | // http://en.wikipedia.org/wiki/Red-black_tree |
107 | #define BLACK 0 |
108 | #define RED 1 |
109 | //**** Family stuff **** |
110 | texbsp *grandparent(texbsp *n) |
111 | { |
112 | if ((n != NULL) && (n->parent != NULL)) |
113 | return n->parent->parent; |
114 | else |
115 | return NULL; |
116 | } |
117 | texbsp *sibling(texbsp *n) |
118 | { |
119 | if ((n != NULL) && (n->parent != NULL)) |
120 | if (n == n->parent->left) |
121 | return n->parent->right; |
122 | else |
123 | return n->parent->left; |
124 | else |
125 | return NULL; |
126 | } |
127 | texbsp *uncle(texbsp *n) |
128 | { |
129 | texbsp *g = grandparent(n); |
130 | if (g == NULL) |
131 | return NULL; // No grandparent means no uncle |
132 | if (n->parent == g->left) |
133 | return g->right; |
134 | else |
135 | return g->left; |
136 | } |
137 | //**** Search functions **** |
138 | texbsp* lookup_node(GLuint key) |
139 | { |
140 | texbsp* n = texlist; |
141 | while (n != NULL) { |
142 | int comp_result = (int)key - (int)n->id; |
143 | if (comp_result == 0) { |
144 | return n; |
145 | } else if (comp_result < 0) { |
146 | n = n->left; |
147 | } else { |
148 | n = n->right; |
149 | } |
150 | } |
151 | return n; |
152 | } |
153 | GLuint rbtree_lookup(GLuint key) |
154 | { |
155 | texbsp* n = lookup_node(key); |
156 | return n == NULL ? NULL : n->id; |
157 | } |
158 | //**** Basic insertion / replace **** |
159 | texbsp* new_node(GLuint id, int node_color, texbsp* left, texbsp* right) |
160 | { |
161 | texbsp* result = malloc(sizeof(texbsp)); |
162 | result->id = id; |
163 | result->color = node_color; |
164 | result->left = left; |
165 | result->right = right; |
166 | if (left != NULL) left->parent = result; |
167 | if (right != NULL) right->parent = result; |
168 | result->parent = NULL; |
169 | return result; |
170 | } |
171 | void replace_node(texbsp* oldn, texbsp* newn) |
172 | { |
173 | if (oldn->parent == NULL) { |
174 | list = newn; |
175 | } else { |
176 | if (oldn == oldn->parent->left) |
177 | oldn->parent->left = newn; |
178 | else |
179 | oldn->parent->right = newn; |
180 | } |
181 | if (newn != NULL) { |
182 | newn->parent = oldn->parent; |
183 | } |
184 | } |
185 | //**** Rotation functions **** |
186 | void rotate_left(texbsp* n) |
187 | { |
188 | texbsp* r = n->right; |
189 | replace_node(n, r); |
190 | n->right = r->left; |
191 | if (r->left != NULL) { |
192 | r->left->parent = n; |
193 | } |
194 | r->left = n; |
195 | n->parent = r; |
196 | } |
197 | void rotate_right(texbsp* n) |
198 | { |
199 | node L = n->left; |
200 | replace_node(n, L); |
201 | n->left = L->right; |
202 | if (L->right != NULL) { |
203 | L->right->parent = n; |
204 | } |
205 | L->right = n; |
206 | n->parent = L; |
207 | } |
208 | //**** Insertion cases **** |
209 | void insert_case1(texbsp *n) |
210 | { |
211 | if (n->parent == NULL) |
212 | n->color = BLACK; |
213 | else |
214 | insert_case2(n); |
215 | } |
216 | void insert_case2(texbsp *n) |
217 | { |
218 | if (n->parent->color == BLACK) |
219 | return; |
220 | else |
221 | insert_case3(n); |
222 | } |
223 | void insert_case3(texbsp *n) |
224 | { |
225 | texbsp *u = uncle(n), *g; |
226 | |
227 | if ((u != NULL) && (u->color == RED)) { |
228 | n->parent->color = BLACK; |
229 | u->color = BLACK; |
230 | g = grandparent(n); |
231 | g->color = RED; |
232 | insert_case1(g); |
233 | } else { |
234 | insert_case4(n); |
235 | } |
236 | } |
237 | void insert_case4(texbsp *n) |
238 | { |
239 | texbsp *g = grandparent(n); |
240 | |
241 | if ((n == n->parent->right) && (n->parent == g->left)) { |
242 | rotate_left(n->parent); |
243 | n = n->left; |
244 | } else if ((n == n->parent->left) && (n->parent == g->right)) { |
245 | rotate_right(n->parent); |
246 | n = n->right; |
247 | } |
248 | insert_case5(n); |
249 | } |
250 | void insert_case5(texbsp *n) |
251 | { |
252 | struct node *g = grandparent(n); |
253 | |
254 | n->parent->color = BLACK; |
255 | g->color = RED; |
256 | if (n == n->parent->left) |
257 | rotate_right(g); |
258 | else |
259 | rotate_left(g); |
260 | } |
261 | void rbtree_insert(GLuint key) |
262 | { |
263 | texbsp* inserted_node = new_node(key, RED, NULL, NULL); |
264 | if (list == NULL) { |
265 | list = inserted_node; |
266 | } else { |
267 | texbsp* n = t->root; |
268 | while (1) { |
269 | int comp_result = (int)key - (int)n->id; |
270 | if (comp_result == 0) { |
271 | free (inserted_node); |
272 | return; |
273 | } else if (comp_result < 0) { |
274 | if (n->left == NULL) { |
275 | n->left = inserted_node; |
276 | break; |
277 | } else { |
278 | n = n->left; |
279 | } |
280 | } else { |
281 | if (n->right == NULL) { |
282 | n->right = inserted_node; |
283 | break; |
284 | } else { |
285 | n = n->right; |
286 | } |
287 | } |
288 | } |
289 | inserted_node->parent = n; |
290 | } |
291 | insert_case1(t, inserted_node); |
292 | } |
293 | //**** Removing cases **** |
294 | |
295 | #endif |
296 | void remove_tex(unsigned int idmin, unsigned int idmax) |
297 | { |
298 | #ifdef TEXBSP |
299 | GLuint texlist[nbTex]; |
300 | int nbdel = 0; |
301 | // 1st look at initial point that is <= at idmin and than go right until id > idmax. Deleting all in between, and reattach list is needed |
302 | texbsp *aux = list; |
303 | bool reattach = false; |
304 | texbsp *debut, *fin, *temp; |
305 | // Empty list, easy |
306 | if (list==NULL) return; |
307 | if ((idmin==0x00000000) && (idmax==0xffffffff)) { |
308 | // delete everything, quite easy |
309 | debut = list->right; |
310 | fin = list->left; |
311 | while ((debut) && (fin)) { |
312 | if (debut) { |
313 | texlist[nbdel++]=debut->id; |
314 | temp = debut->right; |
315 | free(debut); |
316 | debut = temp; |
317 | } |
318 | if (fin) { |
319 | texlist[nbdel++]=fin->id; |
320 | temp = fin->left; |
321 | free(fin); |
322 | fin = temp; |
323 | } |
324 | } |
325 | texlist[nbdel++]=list->id; |
326 | free(list); |
327 | list=NULL; |
328 | glDeleteTextures(nbdel, texlist); |
329 | nbTex = 0; |
330 | return; |
331 | } |
332 | // General case, range delete |
333 | // find starting point. |
334 | debut = list; |
335 | while ((debut->id > idmin) && (debut->right!=NULL)) { |
336 | debut = debut->right; |
337 | } |
338 | while ((debut->left!=NULL) && (debut->left->id < idmin)) { |
339 | debut = debut->left; |
340 | } |
341 | fin = debut->right; |
342 | // and now delete |
343 | while ((debut!=NULL) && (debut->id >= idmin) && (debut->id < idmax)) |
344 | { |
345 | temp = debut->left; |
346 | texlist[nbdel++]=debut->id; |
347 | free(debut); |
348 | debut=temp; |
349 | } |
350 | // rechain the list |
351 | if (fin) fin->left = debut; |
352 | if (debut) debut->right = fin; |
353 | if (debut) list = debut; else list = fin; //change ankor |
354 | glDeleteTextures(nbdel, texlist); |
355 | nbTex -= nbdel; |
356 | return; |
357 | #else |
358 | unsigned int *t; |
359 | int n = 0; |
360 | texlist *aux = list; |
361 | int sz = nbTex; |
362 | if (aux == NULL) return; |
363 | t = (unsigned int*)malloc(sz * sizeof(int)); |
364 | while (aux && aux->id >= idmin && aux->id < idmax) |
365 | { |
366 | if (n >= sz) |
367 | t = (unsigned int *) realloc(t, ++sz*sizeof(int)); |
368 | t[n++] = aux->id; |
369 | aux = aux->next; |
370 | free(list); |
371 | list = aux; |
372 | nbTex--; |
373 | } |
374 | while (aux != NULL && aux->next != NULL) |
375 | { |
376 | if (aux->next->id >= idmin && aux->next->id < idmax) |
377 | { |
378 | texlist *aux2 = aux->next->next; |
379 | if (n >= sz) |
380 | t = (unsigned int *) realloc(t, ++sz*sizeof(int)); |
381 | t[n++] = aux->next->id; |
382 | free(aux->next); |
383 | aux->next = aux2; |
384 | nbTex--; |
385 | } |
386 | aux = aux->next; |
387 | } |
388 | glDeleteTextures(n, t); |
389 | free(t); |
390 | //printf("RMVTEX nbtex is now %d (%06x - %06x)\n", nbTex, idmin, idmax); |
391 | #endif |
392 | } |
393 | |
394 | |
395 | void add_tex(unsigned int id) |
396 | { |
397 | #ifdef TEXBSP |
398 | //printf("add_tex(%u)\n", id); |
399 | if (list == NULL) { |
400 | //printf("add root\n"); |
401 | list = (texbsp*)malloc(sizeof(texbsp)); |
402 | list->left = NULL; list->right = NULL; |
403 | list->id = id; |
404 | nbTex++; |
405 | return; |
406 | } |
407 | texbsp *bsp = list; |
408 | if (bsp->id>=id) { // go left |
409 | // printf("Go left\n"); |
410 | while ((bsp->left!=NULL) && (bsp->left->id > id)) |
411 | { |
412 | bsp=bsp->left; |
413 | } |
414 | if (bsp->id = id) return; |
415 | texbsp *aux = bsp->left; |
416 | texbsp *ins = (texbsp*)malloc(sizeof(texbsp)); |
417 | ins->left = aux; |
418 | ins->right = bsp; |
419 | ins->id = id; |
420 | bsp->left = ins; |
421 | if (aux) aux->right = ins; |
422 | nbTex++; |
423 | list=bsp; // new ankor |
424 | return; |
425 | } else { // go right |
426 | //printf("Go right\n"); |
427 | while ((bsp->right!=NULL) && (bsp->right->id < id)) |
428 | { |
429 | //printf("right\n"); |
430 | bsp=bsp->right; |
431 | } |
432 | //printf("stopped at %u\n", bsp->id); |
433 | if (bsp->id = id) return; |
434 | texbsp *aux = bsp->right; |
435 | texbsp *ins = (texbsp*)malloc(sizeof(texbsp)); |
436 | ins->right = aux; |
437 | ins->left = bsp; |
438 | ins->id = id; |
439 | bsp->right = ins; |
440 | if (aux) aux->left = ins; |
441 | nbTex++; |
442 | list=bsp; // new ankor |
443 | return; |
444 | } |
445 | #else |
446 | texlist *aux = list; |
447 | texlist *aux2; |
448 | //printf("ADDTEX nbtex is now %d (%06x)\n", nbTex, id); |
449 | if (list == NULL || id < list->id) |
450 | { |
451 | nbTex++; |
452 | list = (texlist*)malloc(sizeof(texlist)); |
453 | list->next = aux; |
454 | list->id = id; |
455 | return; |
456 | } |
457 | while (aux->next != NULL && aux->next->id < id) aux = aux->next; |
458 | // ZIGGY added this test so that add_tex now accept re-adding an existing texture |
459 | if (aux->next != NULL && aux->next->id == id) return; |
460 | nbTex++; |
461 | aux2 = aux->next; |
462 | aux->next = (texlist*)malloc(sizeof(texlist)); |
463 | aux->next->id = id; |
464 | aux->next->next = aux2; |
465 | #endif |
466 | } |
467 | |
468 | void init_textures() |
469 | { |
470 | tex0_width = tex0_height = tex1_width = tex1_height = 2; |
471 | // ZIGGY because remove_tex isn't called (Pj64 doesn't like it), it's better |
472 | // to leave these so that they'll be reused (otherwise we have a memory leak) |
473 | // list = NULL; |
474 | // nbTex = 0; |
475 | |
476 | if (!texture) texture = (unsigned char*)malloc(2048*2048*4); |
477 | } |
478 | |
479 | void free_textures() |
480 | { |
481 | #ifndef WIN32 |
482 | // ZIGGY for some reasons, Pj64 doesn't like remove_tex on exit |
483 | remove_tex(0x00000000, 0xFFFFFFFF); |
484 | #endif |
485 | if (texture != NULL) { |
486 | free(texture); |
487 | texture = NULL; |
488 | } |
489 | } |
490 | |
491 | FX_ENTRY FxU32 FX_CALL |
492 | grTexMinAddress( GrChipID_t tmu ) |
493 | { |
494 | LOG("grTexMinAddress(%d)\r\n", tmu); |
495 | if (UMAmode) |
496 | return 0; |
497 | else |
498 | return tmu*TMU_SIZE; |
499 | } |
500 | |
501 | FX_ENTRY FxU32 FX_CALL |
502 | grTexMaxAddress( GrChipID_t tmu ) |
503 | { |
504 | LOG("grTexMaxAddress(%d)\r\n", tmu); |
505 | if (UMAmode) |
506 | return TMU_SIZE*2 - 1; |
507 | else |
508 | return tmu*TMU_SIZE + TMU_SIZE - 1; |
509 | } |
510 | |
511 | FX_ENTRY FxU32 FX_CALL |
512 | grTexTextureMemRequired( FxU32 evenOdd, |
513 | GrTexInfo *info ) |
514 | { |
515 | int width, height; |
516 | LOG("grTextureMemRequired(%d)\r\n", evenOdd); |
517 | if (info->largeLodLog2 != info->smallLodLog2) display_warning("grTexTextureMemRequired : loading more than one LOD"); |
518 | |
519 | if (info->aspectRatioLog2 < 0) |
520 | { |
521 | height = 1 << info->largeLodLog2; |
522 | width = height >> -info->aspectRatioLog2; |
523 | } |
524 | else |
525 | { |
526 | width = 1 << info->largeLodLog2; |
527 | height = width >> info->aspectRatioLog2; |
528 | } |
529 | |
530 | switch(info->format) |
531 | { |
532 | case GR_TEXFMT_ALPHA_8: |
533 | case GR_TEXFMT_INTENSITY_8: // I8 support - H.Morii |
534 | case GR_TEXFMT_ALPHA_INTENSITY_44: |
535 | return width*height; |
536 | break; |
537 | case GR_TEXFMT_ARGB_1555: |
538 | case GR_TEXFMT_ARGB_4444: |
539 | case GR_TEXFMT_ALPHA_INTENSITY_88: |
540 | case GR_TEXFMT_RGB_565: |
541 | return (width*height)<<1; |
542 | break; |
543 | case GR_TEXFMT_ARGB_8888: |
544 | return (width*height)<<2; |
545 | break; |
546 | case GR_TEXFMT_ARGB_CMP_DXT1: // FXT1,DXT1,5 support - H.Morii |
547 | return ((((width+0x3)&~0x3)*((height+0x3)&~0x3))>>1); |
548 | case GR_TEXFMT_ARGB_CMP_DXT3: |
549 | return ((width+0x3)&~0x3)*((height+0x3)&~0x3); |
550 | case GR_TEXFMT_ARGB_CMP_DXT5: |
551 | return ((width+0x3)&~0x3)*((height+0x3)&~0x3); |
552 | case GR_TEXFMT_ARGB_CMP_FXT1: |
553 | return ((((width+0x7)&~0x7)*((height+0x3)&~0x3))>>1); |
554 | default: |
555 | display_warning("grTexTextureMemRequired : unknown texture format: %x", info->format); |
556 | } |
557 | return 0; |
558 | } |
559 | |
560 | FX_ENTRY FxU32 FX_CALL |
561 | grTexCalcMemRequired( |
562 | GrLOD_t lodmin, GrLOD_t lodmax, |
563 | GrAspectRatio_t aspect, GrTextureFormat_t fmt) |
564 | { |
565 | int width, height; |
566 | LOG("grTexCalcMemRequired(%d, %d, %d, %d)\r\n", lodmin, lodmax, aspect, fmt); |
567 | if (lodmax != lodmin) display_warning("grTexCalcMemRequired : loading more than one LOD"); |
568 | |
569 | if (aspect < 0) |
570 | { |
571 | height = 1 << lodmax; |
572 | width = height >> -aspect; |
573 | } |
574 | else |
575 | { |
576 | width = 1 << lodmax; |
577 | height = width >> aspect; |
578 | } |
579 | |
580 | switch(fmt) |
581 | { |
582 | case GR_TEXFMT_ALPHA_8: |
583 | case GR_TEXFMT_INTENSITY_8: // I8 support - H.Morii |
584 | case GR_TEXFMT_ALPHA_INTENSITY_44: |
585 | return width*height; |
586 | break; |
587 | case GR_TEXFMT_ARGB_1555: |
588 | case GR_TEXFMT_ARGB_4444: |
589 | case GR_TEXFMT_ALPHA_INTENSITY_88: |
590 | case GR_TEXFMT_RGB_565: |
591 | return (width*height)<<1; |
592 | break; |
593 | case GR_TEXFMT_ARGB_8888: |
594 | return (width*height)<<2; |
595 | break; |
596 | case GR_TEXFMT_ARGB_CMP_DXT1: // FXT1,DXT1,5 support - H.Morii |
597 | return ((((width+0x3)&~0x3)*((height+0x3)&~0x3))>>1); |
598 | case GR_TEXFMT_ARGB_CMP_DXT3: |
599 | return ((width+0x3)&~0x3)*((height+0x3)&~0x3); |
600 | case GR_TEXFMT_ARGB_CMP_DXT5: |
601 | return ((width+0x3)&~0x3)*((height+0x3)&~0x3); |
602 | case GR_TEXFMT_ARGB_CMP_FXT1: |
603 | return ((((width+0x7)&~0x7)*((height+0x3)&~0x3))>>1); |
604 | default: |
605 | display_warning("grTexTextureMemRequired : unknown texture format: %x", fmt); |
606 | } |
607 | return 0; |
608 | } |
609 | |
610 | int grTexFormatSize(int fmt) |
611 | { |
612 | int factor = -1; |
613 | switch(fmt) { |
614 | case GR_TEXFMT_ALPHA_8: |
615 | case GR_TEXFMT_INTENSITY_8: // I8 support - H.Morii |
616 | factor = 1; |
617 | break; |
618 | case GR_TEXFMT_ALPHA_INTENSITY_44: |
619 | factor = 1; |
620 | break; |
621 | case GR_TEXFMT_RGB_565: |
622 | factor = 2; |
623 | break; |
624 | case GR_TEXFMT_ARGB_1555: |
625 | factor = 2; |
626 | break; |
627 | case GR_TEXFMT_ALPHA_INTENSITY_88: |
628 | factor = 2; |
629 | break; |
630 | case GR_TEXFMT_ARGB_4444: |
631 | factor = 2; |
632 | break; |
633 | case GR_TEXFMT_ARGB_8888: |
634 | factor = 4; |
635 | break; |
636 | case GR_TEXFMT_ARGB_CMP_DXT1: // FXT1,DXT1,5 support - H.Morii |
637 | factor = 8; // HACKALERT: factor holds block bytes |
638 | break; |
639 | case GR_TEXFMT_ARGB_CMP_DXT3: // FXT1,DXT1,5 support - H.Morii |
640 | factor = 16; // HACKALERT: factor holds block bytes |
641 | break; |
642 | case GR_TEXFMT_ARGB_CMP_DXT5: |
643 | factor = 16; |
644 | break; |
645 | case GR_TEXFMT_ARGB_CMP_FXT1: |
646 | factor = 8; |
647 | break; |
648 | default: |
649 | display_warning("grTexFormatSize : unknown texture format: %x", fmt); |
650 | } |
651 | return factor; |
652 | } |
653 | |
654 | int grTexFormat2GLPackedFmt(int fmt, int * gltexfmt, int * glpixfmt, int * glpackfmt) |
655 | { |
656 | *gltexfmt = GL_RGBA; |
657 | *glpixfmt = GL_RGBA; |
658 | *glpackfmt = GL_UNSIGNED_BYTE; |
659 | return 0; |
660 | /* |
661 | int factor = -1; |
662 | switch(fmt) { |
663 | case GR_TEXFMT_ALPHA_8: |
664 | factor = 1; |
665 | *gltexfmt = GL_INTENSITY8; |
666 | *glpixfmt = GL_LUMINANCE; |
667 | *glpackfmt = GL_UNSIGNED_BYTE; |
668 | break; |
669 | case GR_TEXFMT_INTENSITY_8: // I8 support - H.Morii |
670 | factor = 1; |
671 | *gltexfmt = GL_LUMINANCE8; |
672 | *glpixfmt = GL_LUMINANCE; |
673 | *glpackfmt = GL_UNSIGNED_BYTE; |
674 | break; |
675 | case GR_TEXFMT_ALPHA_INTENSITY_44: |
676 | break; |
677 | case GR_TEXFMT_RGB_565: |
678 | factor = 2; |
679 | *gltexfmt = GL_RGB; |
680 | *glpixfmt = GL_RGB; |
681 | *glpackfmt = GL_UNSIGNED_SHORT_5_6_5; |
682 | break; |
683 | case GR_TEXFMT_ARGB_1555: |
684 | if (ati_sucks > 0) return -1; // ATI sucks as usual (fixes slowdown on ATI) |
685 | factor = 2; |
686 | *gltexfmt = GL_RGB5_A1; |
687 | *glpixfmt = GL_BGRA; |
688 | *glpackfmt = GL_UNSIGNED_SHORT_1_5_5_5_REV; |
689 | break; |
690 | case GR_TEXFMT_ALPHA_INTENSITY_88: |
691 | factor = 2; |
692 | *gltexfmt = GL_LUMINANCE8_ALPHA8; |
693 | *glpixfmt = GL_LUMINANCE_ALPHA; |
694 | *glpackfmt = GL_UNSIGNED_BYTE; |
695 | break; |
696 | case GR_TEXFMT_ARGB_4444: |
697 | factor = 2; |
698 | *gltexfmt = GL_RGBA4; |
699 | *glpixfmt = GL_BGRA; |
700 | *glpackfmt = GL_UNSIGNED_SHORT_4_4_4_4_REV; |
701 | break; |
702 | case GR_TEXFMT_ARGB_8888: |
703 | factor = 4; |
704 | *gltexfmt = GL_RGBA8; |
705 | *glpixfmt = GL_BGRA; |
706 | *glpackfmt = GL_UNSIGNED_INT_8_8_8_8_REV; |
707 | break; |
708 | case GR_TEXFMT_ARGB_CMP_DXT1: // FXT1,DXT1,5 support - H.Morii |
709 | // HACKALERT: 3Dfx Glide uses GR_TEXFMT_ARGB_CMP_DXT1 for both opaque DXT1 and DXT1 with 1bit alpha. |
710 | // GlideHQ compiled with GLIDE64_DXTN option enabled, uses opaqe DXT1 only. |
711 | factor = 8; // HACKALERT: factor holds block bytes |
712 | *gltexfmt = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; // these variables aren't used |
713 | *glpixfmt = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; |
714 | *glpackfmt = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; |
715 | break; |
716 | case GR_TEXFMT_ARGB_CMP_DXT3: |
717 | factor = 16; |
718 | *gltexfmt = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; |
719 | *glpixfmt = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; |
720 | *glpackfmt = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; |
721 | break; |
722 | case GR_TEXFMT_ARGB_CMP_DXT5: |
723 | factor = 16; |
724 | *gltexfmt = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; |
725 | *glpixfmt = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; |
726 | *glpackfmt = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; |
727 | break; |
728 | case GR_TEXFMT_ARGB_CMP_FXT1: |
729 | factor = 8; |
730 | *gltexfmt = GL_COMPRESSED_RGBA_FXT1_3DFX; |
731 | *glpixfmt = GL_COMPRESSED_RGBA_FXT1_3DFX; |
732 | *glpackfmt = GL_COMPRESSED_RGBA_FXT1_3DFX; // XXX: what should we do about GL_COMPRESSED_RGB_FXT1_3DFX? |
733 | break; |
734 | default: |
735 | display_warning("grTexFormat2GLPackedFmt : unknown texture format: %x", fmt); |
736 | } |
737 | return factor; |
738 | */ |
739 | } |
740 | |
741 | FX_ENTRY void FX_CALL |
742 | grTexDownloadMipMap( GrChipID_t tmu, |
743 | FxU32 startAddress, |
744 | FxU32 evenOdd, |
745 | GrTexInfo *info ) |
746 | { |
747 | int width, height, i, j; |
748 | int factor; |
749 | int glformat = 0; |
750 | int gltexfmt, glpixfmt, glpackfmt; |
751 | LOG("grTexDownloadMipMap(%d,%d,%d)\r\n", tmu, startAddress, evenOdd); |
752 | if (info->largeLodLog2 != info->smallLodLog2) display_warning("grTexDownloadMipMap : loading more than one LOD"); |
753 | |
754 | if (info->aspectRatioLog2 < 0) |
755 | { |
756 | height = 1 << info->largeLodLog2; |
757 | width = height >> -info->aspectRatioLog2; |
758 | } |
759 | else |
760 | { |
761 | width = 1 << info->largeLodLog2; |
762 | height = width >> info->aspectRatioLog2; |
763 | } |
764 | |
765 | if (!packed_pixels_support) |
766 | factor = -1; |
767 | else |
768 | factor = grTexFormat2GLPackedFmt(info->format, &gltexfmt, &glpixfmt, &glpackfmt); |
769 | |
770 | if (factor < 0) { |
771 | |
772 | // VP fixed the texture conversions to be more accurate, also swapped |
773 | // the for i/j loops so that is is less likely to break the memory cache |
774 | register int n = 0, m = 0; |
775 | switch(info->format) |
776 | { |
777 | case GR_TEXFMT_ALPHA_8: |
778 | for (i=0; i<height; i++) |
779 | { |
780 | for (j=0; j<width; j++) |
781 | { |
782 | unsigned int texel = (unsigned int)((unsigned char*)info->data)[m]; |
783 | texel |= (texel << 8); |
784 | texel |= (texel << 16); |
785 | ((unsigned int*)texture)[n] = texel; |
786 | m++; |
787 | n++; |
788 | } |
789 | } |
790 | factor = 1; |
791 | glformat = GL_RGBA; |
792 | break; |
793 | case GR_TEXFMT_INTENSITY_8: // I8 support - H.Morii |
794 | for (i=0; i<height; i++) |
795 | { |
796 | for (j=0; j<width; j++) |
797 | { |
798 | unsigned int texel = (unsigned int)((unsigned char*)info->data)[m]; |
799 | texel |= (0xFF000000 | (texel << 16) | (texel << 8)); |
800 | ((unsigned int*)texture)[n] = texel; |
801 | m++; |
802 | n++; |
803 | } |
804 | } |
805 | factor = 1; |
806 | glformat = GL_ALPHA; |
807 | break; |
808 | case GR_TEXFMT_ALPHA_INTENSITY_44: |
809 | #if 1 |
810 | for (i=0; i<height; i++) |
811 | { |
812 | for (j=0; j<width; j++) |
813 | { |
814 | unsigned int texel = (unsigned int)((unsigned char*)info->data)[m]; |
815 | #if 1 |
816 | /* accurate conversion */ |
817 | unsigned int texel_hi = (texel & 0x000000F0) << 20; |
818 | unsigned int texel_low = texel & 0x0000000F; |
819 | texel_low |= (texel_low << 4); |
820 | texel_hi |= ((texel_hi << 4) | (texel_low << 16) | (texel_low << 8) | texel_low); |
821 | #else |
822 | unsigned int texel_hi = (texel & 0x000000F0) << 24; |
823 | unsigned int texel_low = (texel & 0x0000000F) << 4; |
824 | texel_hi |= ((texel_low << 16) | (texel_low << 8) | texel_low); |
825 | #endif |
826 | ((unsigned int*)texture)[n] = texel_hi; |
827 | m++; |
828 | n++; |
829 | } |
830 | } |
831 | factor = 1; |
832 | glformat = GL_LUMINANCE_ALPHA; |
833 | #endif |
834 | break; |
835 | case GR_TEXFMT_RGB_565: |
836 | for (i=0; i<height; i++) |
837 | { |
838 | for (j=0; j<width; j++) |
839 | { |
840 | unsigned int texel = (unsigned int)((unsigned short*)info->data)[m]; |
841 | unsigned int B = texel & 0x0000F800; |
842 | unsigned int G = texel & 0x000007E0; |
843 | unsigned int R = texel & 0x0000001F; |
844 | #if 0 |
845 | /* accurate conversion */ |
846 | ((unsigned int*)texture)[n] = 0xFF000000 | (R << 19) | ((R >> 2) << 16) | (G << 5) | ((G >> 9) << 8) | (B >> 8) | (B >> 13); |
847 | #else |
848 | ((unsigned int*)texture)[n] = 0xFF000000 | (R << 19) | (G << 5) | (B >> 8); |
849 | #endif |
850 | m++; |
851 | n++; |
852 | } |
853 | } |
854 | factor = 2; |
855 | glformat = GL_RGB; |
856 | break; |
857 | case GR_TEXFMT_ARGB_1555: |
858 | for (i=0; i<height; i++) |
859 | { |
860 | for (j=0; j<width; j++) |
861 | { |
862 | unsigned int texel = (unsigned int)((unsigned short*)info->data)[m]; |
863 | unsigned int A = texel & 0x00008000 ? 0xFF000000 : 0; |
864 | unsigned int B = texel & 0x00007C00; |
865 | unsigned int G = texel & 0x000003E0; |
866 | unsigned int R = texel & 0x0000001F; |
867 | #if 0 |
868 | /* accurate conversion */ |
869 | ((unsigned int*)texture)[n] = A | (R << 19) | ((R >> 2) << 16) | (G << 6) | ((G >> 8) << 8) | (B >> 7) | (B >> 12); |
870 | #else |
871 | ((unsigned int*)texture)[n] = A | (R << 19) | (G << 6) | (B >> 7); |
872 | #endif |
873 | m++; |
874 | n++; |
875 | } |
876 | } |
877 | factor = 2; |
878 | glformat = GL_RGBA; |
879 | break; |
880 | case GR_TEXFMT_ALPHA_INTENSITY_88: |
881 | for (i=0; i<height; i++) |
882 | { |
883 | for (j=0; j<width; j++) |
884 | { |
885 | unsigned int AI = (unsigned int)((unsigned short*)info->data)[m]; |
886 | unsigned int I = (unsigned int)(AI & 0x000000FF); |
887 | ((unsigned int*)texture)[n] = (AI << 16) | (I << 8) | I; |
888 | m++; |
889 | n++; |
890 | } |
891 | } |
892 | factor = 2; |
893 | glformat = GL_LUMINANCE_ALPHA; |
894 | break; |
895 | case GR_TEXFMT_ARGB_4444: |
896 | |
897 | for (i=0; i<height; i++) |
898 | { |
899 | for (j=0; j<width; j++) |
900 | { |
901 | unsigned int texel = (unsigned int)((unsigned short*)info->data)[m]; |
902 | unsigned int A = texel & 0x0000F000; |
903 | unsigned int B = texel & 0x00000F00; |
904 | unsigned int G = texel & 0x000000F0; |
905 | unsigned int R = texel & 0x0000000F; |
906 | #if 0 |
907 | /* accurate conversion */ |
908 | ((unsigned int*)texture)[n] = (A << 16) | (A << 12) | (R << 20) | (R << 16) | (G << 8) | (G << 4) | (B >> 4) | (B >> 8); |
909 | #else |
910 | ((unsigned int*)texture)[n] = (A << 16) | (R << 20) | (G << 8) | (B >> 4); |
911 | #endif |
912 | m++; |
913 | n++; |
914 | } |
915 | } |
916 | factor = 2; |
917 | glformat = GL_RGBA; |
918 | break; |
919 | case GR_TEXFMT_ARGB_8888: |
920 | for (i=0; i<height; i++) |
921 | { |
922 | for (j=0; j<width; j++) |
923 | { |
924 | unsigned int texel = ((unsigned int*)info->data)[m]; |
925 | unsigned int A = texel & 0xFF000000; |
926 | unsigned int B = texel & 0x00FF0000; |
927 | unsigned int G = texel & 0x0000FF00; |
928 | unsigned int R = texel & 0x000000FF; |
929 | ((unsigned int*)texture)[n] = A | (R << 16) | G | (B >> 16); |
930 | m++; |
931 | n++; |
932 | } |
933 | } |
934 | factor = 4; |
935 | glformat = GL_RGBA; |
936 | break; |
937 | /* |
938 | case GR_TEXFMT_ARGB_CMP_DXT1: // FXT1,DXT1,5 support - H.Morii |
939 | factor = 8; // HACKALERT: factor holds block bytes |
940 | glformat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT; |
941 | break; |
942 | case GR_TEXFMT_ARGB_CMP_DXT3: // FXT1,DXT1,5 support - H.Morii |
943 | factor = 16; // HACKALERT: factor holds block bytes |
944 | glformat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; |
945 | break; |
946 | case GR_TEXFMT_ARGB_CMP_DXT5: |
947 | factor = 16; |
948 | glformat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; |
949 | break; |
950 | case GR_TEXFMT_ARGB_CMP_FXT1: |
951 | factor = 8; |
952 | glformat = GL_COMPRESSED_RGBA_FXT1_3DFX; |
953 | break; |
954 | */ |
955 | default: |
956 | display_warning("grTexDownloadMipMap : unknown texture format: %x", info->format); |
957 | factor = 0; |
958 | } |
959 | } |
960 | |
961 | if (nbTextureUnits <= 2) |
962 | glActiveTexture(GL_TEXTURE1); |
963 | else |
964 | glActiveTexture(GL_TEXTURE2); |
965 | |
966 | switch(info->format) |
967 | { |
968 | case GR_TEXFMT_ARGB_CMP_DXT1: |
969 | case GR_TEXFMT_ARGB_CMP_DXT3: |
970 | case GR_TEXFMT_ARGB_CMP_DXT5: |
971 | case GR_TEXFMT_ARGB_CMP_FXT1: |
972 | remove_tex(startAddress+1, startAddress+1+((width*height*factor)>>4)); |
973 | break; |
974 | default: |
975 | remove_tex(startAddress+1, startAddress+1+(width*height*factor)); |
976 | } |
977 | |
978 | add_tex(startAddress+1); |
979 | glBindTexture(GL_TEXTURE_2D, startAddress+1); |
980 | |
981 | if (largest_supported_anisotropy > 1.0f) |
982 | glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest_supported_anisotropy); |
983 | |
984 | glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, texture); |
985 | /* |
986 | switch(info->format) |
987 | { |
988 | case GR_TEXFMT_ARGB_CMP_DXT1: |
989 | case GR_TEXFMT_ARGB_CMP_DXT3: |
990 | case GR_TEXFMT_ARGB_CMP_DXT5: |
991 | case GR_TEXFMT_ARGB_CMP_FXT1: |
992 | glCompressedTexImage2DARB(GL_TEXTURE_2D, 0, (glformat ? glformat : gltexfmt), width, height, 0, (width*height*factor)>>4, info->data); |
993 | break; |
994 | default: |
995 | if (glformat) { |
996 | glTexImage2D(GL_TEXTURE_2D, 0, glformat, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, texture); |
997 | } else |
998 | glTexImage2D(GL_TEXTURE_2D, 0, gltexfmt, width, height, 0, glpixfmt, glpackfmt, info->data); |
999 | } |
1000 | */ |
1001 | |
1002 | glBindTexture(GL_TEXTURE_2D, default_texture); |
1003 | } |
1004 | |
1005 | int CheckTextureBufferFormat(GrChipID_t tmu, FxU32 startAddress, GrTexInfo *info ); |
1006 | |
1007 | FX_ENTRY void FX_CALL |
1008 | grTexSource( GrChipID_t tmu, |
1009 | FxU32 startAddress, |
1010 | FxU32 evenOdd, |
1011 | GrTexInfo *info ) |
1012 | { |
1013 | LOG("grTexSource(%d,%d,%d)\r\n", tmu, startAddress, evenOdd); |
1014 | |
1015 | if (tmu == GR_TMU1 || nbTextureUnits <= 2) |
1016 | { |
1017 | if (tmu == GR_TMU1 && nbTextureUnits <= 2) return; |
1018 | glActiveTexture(GL_TEXTURE0); |
1019 | |
1020 | if (info->aspectRatioLog2 < 0) |
1021 | { |
1022 | tex0_height = 256; |
1023 | tex0_width = tex0_height >> -info->aspectRatioLog2; |
1024 | } |
1025 | else |
1026 | { |
1027 | tex0_width = 256; |
1028 | tex0_height = tex0_width >> info->aspectRatioLog2; |
1029 | } |
1030 | |
1031 | glBindTexture(GL_TEXTURE_2D, startAddress+1); |
1032 | #ifdef VPDEBUG |
1033 | dump_tex(startAddress+1); |
1034 | #endif |
1035 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter0); |
1036 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter0); |
1037 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_s0); |
1038 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_t0); |
1039 | } |
1040 | else |
1041 | { |
1042 | glActiveTexture(GL_TEXTURE1); |
1043 | |
1044 | if (info->aspectRatioLog2 < 0) |
1045 | { |
1046 | tex1_height = 256; |
1047 | tex1_width = tex1_height >> -info->aspectRatioLog2; |
1048 | } |
1049 | else |
1050 | { |
1051 | tex1_width = 256; |
1052 | tex1_height = tex1_width >> info->aspectRatioLog2; |
1053 | } |
1054 | |
1055 | glBindTexture(GL_TEXTURE_2D, startAddress+1); |
1056 | #ifdef VPDEBUG |
1057 | dump_tex(startAddress+1); |
1058 | #endif |
1059 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter1); |
1060 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter1); |
1061 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_s1); |
1062 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_t1); |
1063 | } |
1064 | if(!CheckTextureBufferFormat(tmu, startAddress+1, info)) |
1065 | { |
1066 | if(tmu == 0 && blackandwhite1 != 0) |
1067 | { |
1068 | blackandwhite1 = 0; |
1069 | need_to_compile = 1; |
1070 | } |
1071 | if(tmu == 1 && blackandwhite0 != 0) |
1072 | { |
1073 | blackandwhite0 = 0; |
1074 | need_to_compile = 1; |
1075 | } |
1076 | } |
1077 | |
1078 | #if 0 |
1079 | extern int auxbuffer; |
1080 | static int oldbuffer; |
1081 | FX_ENTRY void FX_CALL grAuxBufferExt( GrBuffer_t buffer ); |
1082 | if (auxbuffer == GR_BUFFER_AUXBUFFER && auxbuffer != oldbuffer) |
1083 | grAuxBufferExt(auxbuffer); |
1084 | oldbuffer = auxbuffer; |
1085 | #endif |
1086 | } |
1087 | |
1088 | FX_ENTRY void FX_CALL |
1089 | grTexDetailControl( |
1090 | GrChipID_t tmu, |
1091 | int lod_bias, |
1092 | FxU8 detail_scale, |
1093 | float detail_max |
1094 | ) |
1095 | { |
1096 | LOG("grTexDetailControl(%d,%d,%d,%d)\r\n", tmu, lod_bias, detail_scale, detail_max); |
1097 | if (lod_bias != 31 && detail_scale != 7) |
1098 | { |
1099 | if (!lod_bias && !detail_scale && !detail_max) return; |
1100 | else |
1101 | display_warning("grTexDetailControl : %d, %d, %f", lod_bias, detail_scale, detail_max); |
1102 | } |
1103 | lambda = detail_max; |
1104 | if(lambda > 1.0f) |
1105 | { |
1106 | lambda = 1.0f - (255.0f - lambda); |
1107 | } |
1108 | if(lambda > 1.0f) display_warning("lambda:%f", lambda); |
1109 | |
1110 | set_lambda(); |
1111 | } |
1112 | |
1113 | FX_ENTRY void FX_CALL |
1114 | grTexLodBiasValue(GrChipID_t tmu, float bias ) |
1115 | { |
1116 | LOG("grTexLodBiasValue(%d,%f)\r\n", tmu, bias); |
1117 | } |
1118 | |
1119 | FX_ENTRY void FX_CALL |
1120 | grTexFilterMode( |
1121 | GrChipID_t tmu, |
1122 | GrTextureFilterMode_t minfilter_mode, |
1123 | GrTextureFilterMode_t magfilter_mode |
1124 | ) |
1125 | { |
1126 | LOG("grTexFilterMode(%d,%d,%d)\r\n", tmu, minfilter_mode, magfilter_mode); |
1127 | if (tmu == GR_TMU1 || nbTextureUnits <= 2) |
1128 | { |
1129 | if (tmu == GR_TMU1 && nbTextureUnits <= 2) return; |
1130 | if (minfilter_mode == GR_TEXTUREFILTER_POINT_SAMPLED) min_filter0 = GL_NEAREST; |
1131 | else min_filter0 = GL_LINEAR; |
1132 | |
1133 | if (magfilter_mode == GR_TEXTUREFILTER_POINT_SAMPLED) mag_filter0 = GL_NEAREST; |
1134 | else mag_filter0 = GL_LINEAR; |
1135 | |
1136 | glActiveTexture(GL_TEXTURE0); |
1137 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter0); |
1138 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter0); |
1139 | } |
1140 | else |
1141 | { |
1142 | if (minfilter_mode == GR_TEXTUREFILTER_POINT_SAMPLED) min_filter1 = GL_NEAREST; |
1143 | else min_filter1 = GL_LINEAR; |
1144 | |
1145 | if (magfilter_mode == GR_TEXTUREFILTER_POINT_SAMPLED) mag_filter1 = GL_NEAREST; |
1146 | else mag_filter1 = GL_LINEAR; |
1147 | |
1148 | glActiveTexture(GL_TEXTURE1); |
1149 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter1); |
1150 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter1); |
1151 | } |
1152 | } |
1153 | |
1154 | FX_ENTRY void FX_CALL |
1155 | grTexClampMode( |
1156 | GrChipID_t tmu, |
1157 | GrTextureClampMode_t s_clampmode, |
1158 | GrTextureClampMode_t t_clampmode |
1159 | ) |
1160 | { |
1161 | LOG("grTexClampMode(%d, %d, %d)\r\n", tmu, s_clampmode, t_clampmode); |
1162 | if (tmu == GR_TMU1 || nbTextureUnits <= 2) |
1163 | { |
1164 | if (tmu == GR_TMU1 && nbTextureUnits <= 2) return; |
1165 | switch(s_clampmode) |
1166 | { |
1167 | case GR_TEXTURECLAMP_WRAP: |
1168 | wrap_s0 = GL_REPEAT; |
1169 | break; |
1170 | case GR_TEXTURECLAMP_CLAMP: |
1171 | wrap_s0 = GL_CLAMP_TO_EDGE; |
1172 | break; |
1173 | case GR_TEXTURECLAMP_MIRROR_EXT: |
1174 | wrap_s0 = GL_MIRRORED_REPEAT; |
1175 | break; |
1176 | default: |
1177 | display_warning("grTexClampMode : unknown s_clampmode : %x", s_clampmode); |
1178 | } |
1179 | switch(t_clampmode) |
1180 | { |
1181 | case GR_TEXTURECLAMP_WRAP: |
1182 | wrap_t0 = GL_REPEAT; |
1183 | break; |
1184 | case GR_TEXTURECLAMP_CLAMP: |
1185 | wrap_t0 = GL_CLAMP_TO_EDGE; |
1186 | break; |
1187 | case GR_TEXTURECLAMP_MIRROR_EXT: |
1188 | wrap_t0 = GL_MIRRORED_REPEAT; |
1189 | break; |
1190 | default: |
1191 | display_warning("grTexClampMode : unknown t_clampmode : %x", t_clampmode); |
1192 | } |
1193 | glActiveTexture(GL_TEXTURE0); |
1194 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_s0); |
1195 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_t0); |
1196 | } |
1197 | else |
1198 | { |
1199 | switch(s_clampmode) |
1200 | { |
1201 | case GR_TEXTURECLAMP_WRAP: |
1202 | wrap_s1 = GL_REPEAT; |
1203 | break; |
1204 | case GR_TEXTURECLAMP_CLAMP: |
1205 | wrap_s1 = GL_CLAMP_TO_EDGE; |
1206 | break; |
1207 | case GR_TEXTURECLAMP_MIRROR_EXT: |
1208 | wrap_s1 = GL_MIRRORED_REPEAT; |
1209 | break; |
1210 | default: |
1211 | display_warning("grTexClampMode : unknown s_clampmode : %x", s_clampmode); |
1212 | } |
1213 | switch(t_clampmode) |
1214 | { |
1215 | case GR_TEXTURECLAMP_WRAP: |
1216 | wrap_t1 = GL_REPEAT; |
1217 | break; |
1218 | case GR_TEXTURECLAMP_CLAMP: |
1219 | wrap_t1 = GL_CLAMP_TO_EDGE; |
1220 | break; |
1221 | case GR_TEXTURECLAMP_MIRROR_EXT: |
1222 | wrap_t1 = GL_MIRRORED_REPEAT; |
1223 | break; |
1224 | default: |
1225 | display_warning("grTexClampMode : unknown t_clampmode : %x", t_clampmode); |
1226 | } |
1227 | glActiveTexture(GL_TEXTURE1); |
1228 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_s1); |
1229 | glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_t1); |
1230 | } |
1231 | } |