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source: vbox/trunk/src/VBox/GuestHost/OpenGL/state_tracker/state_lighting.c@ 55043

Last change on this file since 55043 was 29930, checked in by vboxsync, 15 years ago

crOpenGL: properly cleanup host opengl parts (#2954, #6443)
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File size: 32.0 KB
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1/* Copyright (c) 2001, Stanford University
2 * All rights reserved
3 *
4 * See the file LICENSE.txt for information on redistributing this software.
5 */
6
7#include <stdio.h>
8#include "state.h"
9#include "cr_mem.h"
10#include "state/cr_statetypes.h"
11#include "state_internals.h"
12
13void crStateLightingInitBits (CRLightingBits *l)
14{
15 l->light = (CRLightBits *) crCalloc (sizeof(*(l->light)) * CR_MAX_LIGHTS );
16}
17
18void crStateLightingDestroyBits (CRLightingBits *l)
19{
20 crFree(l->light);
21}
22
23void crStateLightingDestroy (CRContext *ctx)
24{
25 crFree( ctx->lighting.light );
26}
27
28void crStateLightingInit (CRContext *ctx)
29{
30 CRLightingState *l = &ctx->lighting;
31 CRStateBits *sb = GetCurrentBits();
32 CRLightingBits *lb = &(sb->lighting);
33 int i;
34 GLvectorf zero_vector = {0.0f, 0.0f, 0.0f, 1.0f};
35 GLcolorf zero_color = {0.0f, 0.0f, 0.0f, 1.0f};
36 GLcolorf ambient_color = {0.2f, 0.2f, 0.2f, 1.0f};
37 GLcolorf diffuse_color = {0.8f, 0.8f, 0.8f, 1.0f};
38 GLvectorf spot_vector = {0.0f, 0.0f, -1.0f, 0.0f};
39 GLcolorf one_color = {1.0f, 1.0f, 1.0f, 1.0f};
40
41 l->lighting = GL_FALSE;
42 RESET(lb->enable, ctx->bitid);
43 l->colorMaterial = GL_FALSE;
44 RESET(lb->colorMaterial, ctx->bitid);
45 l->shadeModel = GL_SMOOTH;
46 RESET(lb->shadeModel, ctx->bitid);
47 l->colorMaterialMode = GL_AMBIENT_AND_DIFFUSE;
48 l->colorMaterialFace = GL_FRONT_AND_BACK;
49 l->ambient[0] = ambient_color;
50 l->diffuse[0] = diffuse_color;
51 l->specular[0] = zero_color;
52 l->emission[0] = zero_color;
53 l->shininess[0] = 0.0f;
54 l->indexes[0][0] = 0;
55 l->indexes[0][1] = 1;
56 l->indexes[0][2] = 1;
57 l->ambient[1] = ambient_color;
58 l->diffuse[1] = diffuse_color;
59 l->specular[1] = zero_color;
60 l->emission[1] = zero_color;
61 l->shininess[1] = 0.0f;
62 l->indexes[1][0] = 0;
63 l->indexes[1][1] = 1;
64 l->indexes[1][2] = 1;
65 RESET(lb->material, ctx->bitid);
66 l->lightModelAmbient = ambient_color;
67 l->lightModelLocalViewer = GL_FALSE;
68 l->lightModelTwoSide = GL_FALSE;
69#if defined(CR_EXT_separate_specular_color)
70 l->lightModelColorControlEXT = GL_SINGLE_COLOR_EXT;
71#elif defined(CR_OPENGL_VERSION_1_2)
72 l->lightModelColorControlEXT = GL_SINGLE_COLOR;
73#endif
74 RESET(lb->lightModel, ctx->bitid);
75#if defined(CR_EXT_secondary_color)
76 l->colorSumEXT = GL_FALSE;
77#endif
78 l->light = (CRLight *) crCalloc (sizeof (*(l->light)) * CR_MAX_LIGHTS);
79
80 for (i=0; i<CR_MAX_LIGHTS; i++)
81 {
82 CRLightBits *ltb = lb->light + i;
83 l->light[i].enable = GL_FALSE;
84 RESET(ltb->enable, ctx->bitid);
85 l->light[i].ambient = zero_color;
86 RESET(ltb->ambient, ctx->bitid);
87 l->light[i].diffuse = zero_color;
88 RESET(ltb->diffuse, ctx->bitid);
89 l->light[i].specular = zero_color;
90 RESET(ltb->specular, ctx->bitid);
91 l->light[i].position = zero_vector;
92 l->light[i].position.z = 1.0f;
93 l->light[i].position.w = 0.0f;
94 l->light[i].objPosition = l->light[i].position;
95 RESET(ltb->position, ctx->bitid);
96 l->light[i].spotDirection = spot_vector;
97 l->light[i].spotExponent = 0.0f;
98 l->light[i].spotCutoff = 180.0f;
99 RESET(ltb->spot, ctx->bitid);
100 l->light[i].constantAttenuation= 1.0f;
101 l->light[i].linearAttenuation= 0.0f;
102 l->light[i].quadraticAttenuation = 0.0f;
103 RESET(ltb->attenuation, ctx->bitid);
104 RESET(ltb->dirty, ctx->bitid);
105 }
106 l->light[0].diffuse = one_color;
107 l->light[0].specular = one_color;
108
109 RESET(lb->dirty, ctx->bitid);
110}
111
112void STATE_APIENTRY crStateShadeModel (GLenum mode)
113{
114 CRContext *g = GetCurrentContext();
115 CRLightingState *l = &(g->lighting);
116 CRStateBits *sb = GetCurrentBits();
117 CRLightingBits *lb = &(sb->lighting);
118
119 if (g->current.inBeginEnd)
120 {
121 crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "ShadeModel called in begin/end");
122 return;
123 }
124
125 FLUSH();
126
127 if (mode != GL_SMOOTH &&
128 mode != GL_FLAT)
129 {
130 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "ShadeModel: Bogus mode 0x%x", mode);
131 return;
132 }
133
134 l->shadeModel = mode;
135 DIRTY(lb->shadeModel, g->neg_bitid);
136 DIRTY(lb->dirty, g->neg_bitid);
137}
138
139void STATE_APIENTRY crStateColorMaterial (GLenum face, GLenum mode)
140{
141 CRContext *g = GetCurrentContext();
142 CRLightingState *l = &(g->lighting);
143 CRStateBits *sb = GetCurrentBits();
144 CRLightingBits *lb = &(sb->lighting);
145
146 if (g->current.inBeginEnd)
147 {
148 crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "ColorMaterial called in begin/end");
149 return;
150 }
151
152 FLUSH();
153
154 if (face != GL_FRONT &&
155 face != GL_BACK &&
156 face != GL_FRONT_AND_BACK)
157 {
158 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "ColorMaterial: Bogus face &d", face);
159 return;
160 }
161
162 if (mode != GL_EMISSION &&
163 mode != GL_AMBIENT &&
164 mode != GL_DIFFUSE &&
165 mode != GL_SPECULAR &&
166 mode != GL_AMBIENT_AND_DIFFUSE)
167 {
168 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "ColorMaterial: Bogus mode &d", mode);
169 return;
170 }
171
172 l->colorMaterialFace = face;
173 l->colorMaterialMode = mode;
174 /* XXX this could conceivably be needed here (BP) */
175 /*
176 crStateColorMaterialRecover();
177 */
178 DIRTY(lb->colorMaterial, g->neg_bitid);
179 DIRTY(lb->dirty, g->neg_bitid);
180}
181
182void STATE_APIENTRY crStateLightModelfv (GLenum pname, const GLfloat *param)
183{
184 CRContext *g = GetCurrentContext();
185 CRLightingState *l = &(g->lighting);
186 CRStateBits *sb = GetCurrentBits();
187 CRLightingBits *lb = &(sb->lighting);
188
189 if (g->current.inBeginEnd)
190 {
191 crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "LightModelfv called in begin/end");
192 return;
193 }
194
195 FLUSH();
196
197 switch (pname)
198 {
199 case GL_LIGHT_MODEL_LOCAL_VIEWER:
200 l->lightModelLocalViewer = (GLboolean) (*param==0.0f?GL_FALSE:GL_TRUE);
201 break;
202 case GL_LIGHT_MODEL_TWO_SIDE:
203 l->lightModelTwoSide = (GLboolean) (*param==0.0f?GL_FALSE:GL_TRUE);
204 break;
205 case GL_LIGHT_MODEL_AMBIENT:
206 l->lightModelAmbient.r = param[0];
207 l->lightModelAmbient.g = param[1];
208 l->lightModelAmbient.b = param[2];
209 l->lightModelAmbient.a = param[3];
210 break;
211#if defined(CR_OPENGL_VERSION_1_2)
212 case GL_LIGHT_MODEL_COLOR_CONTROL:
213 if (param[0] == GL_SEPARATE_SPECULAR_COLOR || param[0] == GL_SINGLE_COLOR)
214 {
215 l->lightModelColorControlEXT = (GLenum) param[0];
216 }
217 else
218 {
219 crStateError( __LINE__, __FILE__, GL_INVALID_ENUM, "LightModel: Invalid param for LIGHT_MODEL_COLOR_CONTROL: 0x%x", param[0] );
220 return;
221 }
222 break;
223#else
224#if defined(CR_EXT_separate_specular_color)
225 case GL_LIGHT_MODEL_COLOR_CONTROL_EXT:
226 if( g->extensions.EXT_separate_specular_color )
227 {
228 if( param[0] == GL_SEPARATE_SPECULAR_COLOR_EXT || param[0] == GL_SINGLE_COLOR_EXT )
229 {
230 l->lightModelColorControlEXT = (GLenum) param[0];
231 }
232 else
233 {
234 crStateError( __LINE__, __FILE__, GL_INVALID_ENUM, "LightModel: Invalid param for LIGHT_MODEL_COLOR_CONTROL: 0x%x", param[0] );
235 return;
236 }
237 }
238 else
239 {
240 crStateError( __LINE__, __FILE__, GL_INVALID_ENUM, "LightModel( LIGHT_MODEL_COLOR_CONTROL, ...) - EXT_separate_specular_color is unavailable." );
241 return;
242 }
243 break;
244#endif
245#endif
246 default:
247 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "LightModelfv: Invalid pname: 0x%x", pname);
248 return;
249 }
250 DIRTY(lb->lightModel, g->neg_bitid);
251 DIRTY(lb->dirty, g->neg_bitid);
252}
253
254void STATE_APIENTRY crStateLightModeliv (GLenum pname, const GLint *param)
255{
256 GLfloat f_param;
257 GLcolor f_color;
258#ifndef CR_OPENGL_VERSION_1_2
259 CRContext *g = GetCurrentContext();
260#endif
261
262 switch (pname)
263 {
264 case GL_LIGHT_MODEL_LOCAL_VIEWER:
265 case GL_LIGHT_MODEL_TWO_SIDE:
266 f_param = (GLfloat) (*param);
267 crStateLightModelfv( pname, &f_param );
268 break;
269 case GL_LIGHT_MODEL_AMBIENT:
270 f_color.r = ((GLfloat)param[0])/CR_MAXINT;
271 f_color.g = ((GLfloat)param[1])/CR_MAXINT;
272 f_color.b = ((GLfloat)param[2])/CR_MAXINT;
273 f_color.a = ((GLfloat)param[3])/CR_MAXINT;
274 crStateLightModelfv( pname, (GLfloat *) &f_color );
275 break;
276#if defined(CR_OPENGL_VERSION_1_2)
277 case GL_LIGHT_MODEL_COLOR_CONTROL:
278 f_param = (GLfloat) (*param);
279 crStateLightModelfv( pname, &f_param );
280 break;
281#else
282#ifdef CR_EXT_separate_specular_color
283 case GL_LIGHT_MODEL_COLOR_CONTROL_EXT:
284 if( g->extensions.EXT_separate_specular_color ) {
285 f_param = (GLfloat) (*param);
286 crStateLightModelfv( pname, &f_param );
287 } else {
288 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "LightModeliv(GL_LIGHT_MODEL_COLOR_CONTROL_EXT, ...) - EXT_separate_specular_color not enabled!" );
289 return;
290 }
291 break;
292#endif
293#endif
294 default:
295 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "LightModeliv: Invalid pname: 0x%x", pname);
296 return;
297 }
298}
299
300void STATE_APIENTRY crStateLightModelf (GLenum pname, GLfloat param)
301{
302 crStateLightModelfv( pname, &param );
303}
304
305void STATE_APIENTRY crStateLightModeli (GLenum pname, GLint param)
306{
307 GLfloat f_param = (GLfloat) param;
308 crStateLightModelfv( pname, &f_param );
309}
310
311void STATE_APIENTRY crStateLightfv (GLenum light, GLenum pname, const GLfloat *param)
312{
313 CRContext *g = GetCurrentContext();
314 CRLightingState *l = &(g->lighting);
315 CRTransformState *t = &(g->transform);
316 CRLight *lt;
317 unsigned int i;
318 GLfloat x, y, z, w;
319 CRmatrix inv;
320 CRmatrix *mat;
321 CRStateBits *sb = GetCurrentBits();
322 CRLightingBits *lb = &(sb->lighting);
323 CRLightBits *ltb;
324
325 if (g->current.inBeginEnd)
326 {
327 crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glLightfv called in begin/end");
328 return;
329 }
330
331 FLUSH();
332
333 i = light - GL_LIGHT0;
334 if (i>=g->limits.maxLights)
335 {
336 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glLight: invalid light specified: 0x%x", light);
337 return;
338 }
339
340 lt = l->light + i;
341 ltb = lb->light + i;
342
343 switch (pname)
344 {
345 case GL_AMBIENT:
346 lt->ambient.r = param[0];
347 lt->ambient.g = param[1];
348 lt->ambient.b = param[2];
349 lt->ambient.a = param[3];
350 DIRTY(ltb->ambient, g->neg_bitid);
351 break;
352 case GL_DIFFUSE:
353 lt->diffuse.r = param[0];
354 lt->diffuse.g = param[1];
355 lt->diffuse.b = param[2];
356 lt->diffuse.a = param[3];
357 DIRTY(ltb->diffuse, g->neg_bitid);
358 break;
359 case GL_SPECULAR:
360 lt->specular.r = param[0];
361 lt->specular.g = param[1];
362 lt->specular.b = param[2];
363 lt->specular.a = param[3];
364 DIRTY(ltb->specular, g->neg_bitid);
365 break;
366 case GL_POSITION:
367 x = param[0];
368 y = param[1];
369 z = param[2];
370 w = param[3];
371 mat = t->modelViewStack.top;
372 lt->objPosition.x = x;
373 lt->objPosition.y = y;
374 lt->objPosition.z = z;
375 lt->objPosition.w = w;
376
377 lt->position.x = mat->m00*x + mat->m10*y + mat->m20*z + mat->m30*w;
378 lt->position.y = mat->m01*x + mat->m11*y + mat->m21*z + mat->m31*w;
379 lt->position.z = mat->m02*x + mat->m12*y + mat->m22*z + mat->m32*w;
380 lt->position.w = mat->m03*x + mat->m13*y + mat->m23*z + mat->m33*w;
381
382 DIRTY(ltb->position, g->neg_bitid);
383 break;
384 case GL_SPOT_DIRECTION:
385 lt->spotDirection.x = param[0];
386 lt->spotDirection.y = param[1];
387 lt->spotDirection.z = param[2];
388 lt->spotDirection.w = 0.0f;
389 mat = t->modelViewStack.top;
390
391 if (lt->objPosition.w != 0.0f)
392 {
393 lt->spotDirection.w = - ( ( lt->objPosition.x * lt->spotDirection.x +
394 lt->objPosition.y * lt->spotDirection.y +
395 lt->objPosition.z * lt->spotDirection.z ) /
396 lt->objPosition.w );
397 }
398
399 crMatrixInvertTranspose(&inv, mat);
400 crStateTransformXformPointMatrixf (&inv, &(lt->spotDirection));
401
402 DIRTY(ltb->spot, g->neg_bitid);
403 break;
404 case GL_SPOT_EXPONENT:
405 if (*param < 0.0f || *param > 180.0f)
406 {
407 crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glLight: spot exponent out of range: %f", *param);
408 return;
409 }
410 lt->spotExponent = *param;
411 DIRTY(ltb->spot, g->neg_bitid);
412 break;
413 case GL_SPOT_CUTOFF:
414 if ((*param < 0.0f || *param > 90.0f) && *param != 180.0f)
415 {
416 crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glLight: spot cutoff out of range: %f", *param);
417 return;
418 }
419 lt->spotCutoff = *param;
420 DIRTY(ltb->spot, g->neg_bitid);
421 break;
422 case GL_CONSTANT_ATTENUATION:
423 if (*param < 0.0f)
424 {
425 crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glLight: constant Attenuation negative: %f", *param);
426 return;
427 }
428 lt->constantAttenuation = *param;
429 DIRTY(ltb->attenuation, g->neg_bitid);
430 break;
431 case GL_LINEAR_ATTENUATION:
432 if (*param < 0.0f)
433 {
434 crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glLight: linear Attenuation negative: %f", *param);
435 return;
436 }
437 lt->linearAttenuation = *param;
438 DIRTY(ltb->attenuation, g->neg_bitid);
439 break;
440 case GL_QUADRATIC_ATTENUATION:
441 if (*param < 0.0f)
442 {
443 crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glLight: quadratic Attenuation negative: %f", *param);
444 return;
445 }
446 lt->quadraticAttenuation = *param;
447 DIRTY(ltb->attenuation, g->neg_bitid);
448 break;
449 default:
450 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glLight: invalid pname: 0x%x", pname);
451 return;
452 }
453 DIRTY(ltb->dirty, g->neg_bitid);
454 DIRTY(lb->dirty, g->neg_bitid);
455}
456
457void STATE_APIENTRY crStateLightiv (GLenum light, GLenum pname, const GLint *param)
458{
459 GLfloat f_param;
460 GLcolor f_color;
461 GLvector f_vector;
462
463 switch (pname)
464 {
465 case GL_AMBIENT:
466 case GL_DIFFUSE:
467 case GL_SPECULAR:
468 f_color.r = ((GLfloat)param[0])/CR_MAXINT;
469 f_color.g = ((GLfloat)param[1])/CR_MAXINT;
470 f_color.b = ((GLfloat)param[2])/CR_MAXINT;
471 f_color.a = ((GLfloat)param[3])/CR_MAXINT;
472 crStateLightfv( light, pname, (GLfloat *) &f_color );
473 break;
474 case GL_POSITION:
475 case GL_SPOT_DIRECTION:
476 f_vector.x = (GLfloat) param[0];
477 f_vector.y = (GLfloat) param[1];
478 f_vector.z = (GLfloat) param[2];
479 f_vector.w = (GLfloat) param[3];
480 crStateLightfv( light, pname, (GLfloat *) &f_vector );
481 break;
482 case GL_SPOT_EXPONENT:
483 case GL_SPOT_CUTOFF:
484 case GL_CONSTANT_ATTENUATION:
485 case GL_LINEAR_ATTENUATION:
486 case GL_QUADRATIC_ATTENUATION:
487 f_param = (GLfloat) (*param);
488 crStateLightfv( light, pname, &f_param );
489 break;
490 default:
491 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glLight: invalid pname: 0x%x", pname);
492 return;
493 }
494}
495
496void STATE_APIENTRY crStateLightf (GLenum light, GLenum pname, GLfloat param)
497{
498 crStateLightfv( light, pname, &param );
499}
500
501void STATE_APIENTRY crStateLighti (GLenum light, GLenum pname, GLint param)
502{
503 GLfloat f_param = (GLfloat) param;
504 crStateLightfv( light, pname, &f_param );
505}
506
507void STATE_APIENTRY crStateMaterialfv (GLenum face, GLenum pname, const GLfloat *param)
508{
509 CRContext *g = GetCurrentContext();
510 CRLightingState *l = &(g->lighting);
511 CRStateBits *sb = GetCurrentBits();
512 CRLightingBits *lb = &(sb->lighting);
513
514 if (!g->current.inBeginEnd)
515 {
516 FLUSH();
517 }
518
519 switch (pname)
520 {
521 case GL_AMBIENT :
522 switch (face)
523 {
524 case GL_FRONT:
525 l->ambient[0].r = param[0];
526 l->ambient[0].g = param[1];
527 l->ambient[0].b = param[2];
528 l->ambient[0].a = param[3];
529 break;
530 case GL_FRONT_AND_BACK:
531 l->ambient[0].r = param[0];
532 l->ambient[0].g = param[1];
533 l->ambient[0].b = param[2];
534 l->ambient[0].a = param[3];
535 /* FALLTHROUGH! */
536 case GL_BACK:
537 l->ambient[1].r = param[0];
538 l->ambient[1].g = param[1];
539 l->ambient[1].b = param[2];
540 l->ambient[1].a = param[3];
541 break;
542 default:
543 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialfv: bad face: 0x%x", face);
544 return;
545 }
546 break;
547 case GL_AMBIENT_AND_DIFFUSE :
548 switch (face)
549 {
550 case GL_FRONT:
551 l->ambient[0].r = param[0];
552 l->ambient[0].g = param[1];
553 l->ambient[0].b = param[2];
554 l->ambient[0].a = param[3];
555 break;
556 case GL_FRONT_AND_BACK:
557 l->ambient[0].r = param[0];
558 l->ambient[0].g = param[1];
559 l->ambient[0].b = param[2];
560 l->ambient[0].a = param[3];
561 /* FALLTHROUGH! */
562 case GL_BACK:
563 l->ambient[1].r = param[0];
564 l->ambient[1].g = param[1];
565 l->ambient[1].b = param[2];
566 l->ambient[1].a = param[3];
567 break;
568 default:
569 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialfv: bad face: 0x%x", face);
570 return;
571 }
572 /* FALLTHROUGH! */
573 case GL_DIFFUSE :
574 switch (face)
575 {
576 case GL_FRONT:
577 l->diffuse[0].r = param[0];
578 l->diffuse[0].g = param[1];
579 l->diffuse[0].b = param[2];
580 l->diffuse[0].a = param[3];
581 break;
582 case GL_FRONT_AND_BACK:
583 l->diffuse[0].r = param[0];
584 l->diffuse[0].g = param[1];
585 l->diffuse[0].b = param[2];
586 l->diffuse[0].a = param[3];
587 /* FALLTHROUGH! */
588 case GL_BACK:
589 l->diffuse[1].r = param[0];
590 l->diffuse[1].g = param[1];
591 l->diffuse[1].b = param[2];
592 l->diffuse[1].a = param[3];
593 break;
594 default:
595 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialfv: bad face: 0x%x", face);
596 return;
597 }
598 break;
599 case GL_SPECULAR :
600 switch (face)
601 {
602 case GL_FRONT:
603 l->specular[0].r = param[0];
604 l->specular[0].g = param[1];
605 l->specular[0].b = param[2];
606 l->specular[0].a = param[3];
607 break;
608 case GL_FRONT_AND_BACK:
609 l->specular[0].r = param[0];
610 l->specular[0].g = param[1];
611 l->specular[0].b = param[2];
612 l->specular[0].a = param[3];
613 /* FALLTHROUGH! */
614 case GL_BACK:
615 l->specular[1].r = param[0];
616 l->specular[1].g = param[1];
617 l->specular[1].b = param[2];
618 l->specular[1].a = param[3];
619 break;
620 default:
621 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialfv: bad face: 0x%x", face);
622 return;
623 }
624 break;
625 case GL_EMISSION :
626 switch (face)
627 {
628 case GL_FRONT:
629 l->emission[0].r = param[0];
630 l->emission[0].g = param[1];
631 l->emission[0].b = param[2];
632 l->emission[0].a = param[3];
633 break;
634 case GL_FRONT_AND_BACK:
635 l->emission[0].r = param[0];
636 l->emission[0].g = param[1];
637 l->emission[0].b = param[2];
638 l->emission[0].a = param[3];
639 /* FALLTHROUGH! */
640 case GL_BACK:
641 l->emission[1].r = param[0];
642 l->emission[1].g = param[1];
643 l->emission[1].b = param[2];
644 l->emission[1].a = param[3];
645 break;
646 default:
647 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialfv: bad face: 0x%x", face);
648 return;
649 }
650 break;
651 case GL_SHININESS:
652 if (*param > 180.0f || *param < 0.0f)
653 {
654 crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glMaterialfv: param out of range: %f", param);
655 return;
656 }
657
658 switch (face)
659 {
660 case GL_FRONT:
661 l->shininess[0] = *param;
662 break;
663 case GL_FRONT_AND_BACK:
664 l->shininess[0] = *param;
665 /* FALLTHROUGH! */
666 case GL_BACK:
667 l->shininess[1] = *param;
668 break;
669 default:
670 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialfv: bad face: 0x%x", face);
671 return;
672 }
673 break;
674 case GL_COLOR_INDEXES :
675 switch (face)
676 {
677 case GL_FRONT:
678 l->indexes[0][0] = (GLint) param[0];
679 l->indexes[0][1] = (GLint) param[1];
680 l->indexes[0][2] = (GLint) param[2];
681 break;
682 case GL_FRONT_AND_BACK:
683 l->indexes[0][0] = (GLint) param[0];
684 l->indexes[0][1] = (GLint) param[1];
685 l->indexes[0][2] = (GLint) param[2];
686 /* FALLTHROUGH! */
687 case GL_BACK:
688 l->indexes[1][0] = (GLint) param[0];
689 l->indexes[1][1] = (GLint) param[1];
690 l->indexes[1][2] = (GLint) param[2];
691 break;
692 default:
693 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialfv: bad face: 0x%x", face);
694 return;
695 }
696 break;
697 default:
698 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialfv: bad pname: 0x%x", pname);
699 return;
700 }
701 DIRTY(lb->material, g->neg_bitid);
702 DIRTY(lb->dirty, g->neg_bitid);
703}
704
705void STATE_APIENTRY crStateMaterialiv (GLenum face, GLenum pname, const GLint *param)
706{
707 GLfloat f_param;
708 GLcolor f_color;
709
710 switch (pname)
711 {
712 case GL_AMBIENT :
713 case GL_AMBIENT_AND_DIFFUSE :
714 case GL_DIFFUSE :
715 case GL_SPECULAR :
716 case GL_EMISSION :
717 f_color.r = ((GLfloat) param[0]) / ((GLfloat) CR_MAXINT);
718 f_color.g = ((GLfloat) param[1]) / ((GLfloat) CR_MAXINT);
719 f_color.b = ((GLfloat) param[2]) / ((GLfloat) CR_MAXINT);
720 f_color.a = ((GLfloat) param[3]) / ((GLfloat) CR_MAXINT);
721 crStateMaterialfv( face, pname, (GLfloat *) &f_color );
722 break;
723 case GL_SHININESS:
724 f_param = (GLfloat) (*param);
725 crStateMaterialfv( face, pname, (GLfloat *) &f_param );
726 break;
727 case GL_COLOR_INDEXES :
728 f_param = (GLfloat) (*param);
729 crStateMaterialfv( face, pname, (GLfloat *) &f_param );
730 break;
731 default:
732 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glMaterialiv: bad pname: 0x%x", pname);
733 return;
734 }
735}
736
737void STATE_APIENTRY crStateMaterialf (GLenum face, GLenum pname, GLfloat param)
738{
739 crStateMaterialfv( face, pname, &param );
740}
741
742void STATE_APIENTRY crStateMateriali (GLenum face, GLenum pname, GLint param)
743{
744 GLfloat f_param = (GLfloat) param;
745 crStateMaterialfv( face, pname, &f_param );
746}
747
748void STATE_APIENTRY crStateGetLightfv (GLenum light, GLenum pname, GLfloat *param)
749{
750 CRContext *g = GetCurrentContext();
751 CRLightingState *l = &(g->lighting);
752 CRLight *lt;
753 unsigned int i;
754
755 if (g->current.inBeginEnd)
756 {
757 crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
758 "glGetLightfv called in begin/end");
759 return;
760 }
761
762 i = light - GL_LIGHT0;
763 if (i>=g->limits.maxLights)
764 {
765 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
766 "glGetLight: invalid light specified: 0x%x", light);
767 return;
768 }
769
770 lt = l->light + i;
771
772 switch (pname)
773 {
774 case GL_AMBIENT:
775 param[0] = lt->ambient.r;
776 param[1] = lt->ambient.g;
777 param[2] = lt->ambient.b;
778 param[3] = lt->ambient.a;
779 break;
780 case GL_DIFFUSE:
781 param[0] = lt->diffuse.r;
782 param[1] = lt->diffuse.g;
783 param[2] = lt->diffuse.b;
784 param[3] = lt->diffuse.a;
785 break;
786 case GL_SPECULAR:
787 param[0] = lt->specular.r;
788 param[1] = lt->specular.g;
789 param[2] = lt->specular.b;
790 param[3] = lt->specular.a;
791 break;
792 case GL_POSITION:
793 param[0] = lt->position.x;
794 param[1] = lt->position.y;
795 param[2] = lt->position.z;
796 param[3] = lt->position.w;
797 break;
798 case GL_SPOT_DIRECTION:
799 param[0] = lt->spotDirection.x;
800 param[1] = lt->spotDirection.y;
801 param[2] = lt->spotDirection.z;
802#if 0
803 /* the w-component of the direction, although possibly (?)
804 useful to keep around internally, is not returned as part
805 of the get. */
806 param[3] = lt->spotDirection.w;
807#endif
808 break;
809 case GL_SPOT_EXPONENT:
810 *param = lt->spotExponent;
811 break;
812 case GL_SPOT_CUTOFF:
813 *param = lt->spotCutoff;
814 break;
815 case GL_CONSTANT_ATTENUATION:
816 *param = lt->constantAttenuation;
817 break;
818 case GL_LINEAR_ATTENUATION:
819 *param = lt->linearAttenuation;
820 break;
821 case GL_QUADRATIC_ATTENUATION:
822 *param = lt->quadraticAttenuation;
823 break;
824 default:
825 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
826 "glGetLight: invalid pname: 0x%x", pname);
827 return;
828 }
829}
830
831void STATE_APIENTRY crStateGetLightiv (GLenum light, GLenum pname, GLint *param)
832{
833 CRContext *g = GetCurrentContext();
834 CRLightingState *l = &(g->lighting);
835 CRLight *lt;
836 unsigned int i;
837
838 if (g->current.inBeginEnd)
839 {
840 crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
841 "glGetLightiv called in begin/end");
842 return;
843 }
844
845 i = light - GL_LIGHT0;
846 if (i>=g->limits.maxLights)
847 {
848 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
849 "glGetLight: invalid light specified: 0x%x", light);
850 return;
851 }
852
853 lt = l->light + i;
854
855 switch (pname)
856 {
857 case GL_AMBIENT:
858 param[0] = (GLint) (lt->ambient.r * CR_MAXINT);
859 param[1] = (GLint) (lt->ambient.g * CR_MAXINT);
860 param[2] = (GLint) (lt->ambient.b * CR_MAXINT);
861 param[3] = (GLint) (lt->ambient.a * CR_MAXINT);
862 break;
863 case GL_DIFFUSE:
864 param[0] = (GLint) (lt->diffuse.r * CR_MAXINT);
865 param[1] = (GLint) (lt->diffuse.g * CR_MAXINT);
866 param[2] = (GLint) (lt->diffuse.b * CR_MAXINT);
867 param[3] = (GLint) (lt->diffuse.a * CR_MAXINT);
868 break;
869 case GL_SPECULAR:
870 param[0] = (GLint) (lt->specular.r * CR_MAXINT);
871 param[1] = (GLint) (lt->specular.g * CR_MAXINT);
872 param[2] = (GLint) (lt->specular.b * CR_MAXINT);
873 param[3] = (GLint) (lt->specular.a * CR_MAXINT);
874 break;
875 case GL_POSITION:
876 param[0] = (GLint) (lt->position.x);
877 param[1] = (GLint) (lt->position.y);
878 param[2] = (GLint) (lt->position.z);
879 param[3] = (GLint) (lt->position.w);
880 break;
881 case GL_SPOT_DIRECTION:
882 param[0] = (GLint) (lt->spotDirection.x);
883 param[1] = (GLint) (lt->spotDirection.y);
884 param[2] = (GLint) (lt->spotDirection.z);
885#if 0
886 /* the w-component of the direction, although possibly (?)
887 useful to keep around internally, is not returned as part
888 of the get. */
889 param[3] = (GLint) (lt->spotDirection.w);
890#endif
891 break;
892 case GL_SPOT_EXPONENT:
893 *param = (GLint) (lt->spotExponent);
894 break;
895 case GL_SPOT_CUTOFF:
896 *param = (GLint) (lt->spotCutoff);
897 break;
898 case GL_CONSTANT_ATTENUATION:
899 *param = (GLint) (lt->constantAttenuation);
900 break;
901 case GL_LINEAR_ATTENUATION:
902 *param = (GLint) (lt->linearAttenuation);
903 break;
904 case GL_QUADRATIC_ATTENUATION:
905 *param = (GLint) (lt->quadraticAttenuation);
906 break;
907 default:
908 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
909 "glGetLight: invalid pname: 0x%x", pname);
910 return;
911 }
912}
913
914void STATE_APIENTRY crStateGetMaterialfv (GLenum face, GLenum pname, GLfloat *param)
915{
916 CRContext *g = GetCurrentContext();
917 CRLightingState *l = &(g->lighting);
918
919 if (g->current.inBeginEnd)
920 {
921 crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
922 "glGetMaterialfv called in begin/end");
923 return;
924 }
925
926 switch (pname)
927 {
928 case GL_AMBIENT:
929 switch (face)
930 {
931 case GL_FRONT:
932 param[0] = l->ambient[0].r;
933 param[1] = l->ambient[0].g;
934 param[2] = l->ambient[0].b;
935 param[3] = l->ambient[0].a;
936 break;
937 case GL_BACK:
938 param[0] = l->ambient[1].r;
939 param[1] = l->ambient[1].g;
940 param[2] = l->ambient[1].b;
941 param[3] = l->ambient[1].a;
942 break;
943 default:
944 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
945 "glGetMaterialfv: bad face: 0x%x", face);
946 return;
947 }
948 break;
949 case GL_DIFFUSE:
950 switch (face)
951 {
952 case GL_FRONT:
953 param[0] = l->diffuse[0].r;
954 param[1] = l->diffuse[0].g;
955 param[2] = l->diffuse[0].b;
956 param[3] = l->diffuse[0].a;
957 break;
958 case GL_BACK:
959 param[0] = l->diffuse[1].r;
960 param[1] = l->diffuse[1].g;
961 param[2] = l->diffuse[1].b;
962 param[3] = l->diffuse[1].a;
963 break;
964 default:
965 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
966 "glGetMaterialfv: bad face: 0x%x", face);
967 return;
968 }
969 break;
970 case GL_SPECULAR :
971 switch (face)
972 {
973 case GL_FRONT:
974 param[0] = l->specular[0].r;
975 param[1] = l->specular[0].g;
976 param[2] = l->specular[0].b;
977 param[3] = l->specular[0].a;
978 break;
979 case GL_BACK:
980 param[0] = l->specular[1].r;
981 param[1] = l->specular[1].g;
982 param[2] = l->specular[1].b;
983 param[3] = l->specular[1].a;
984 break;
985 default:
986 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
987 "glGetMaterialfv: bad face: 0x%x", face);
988 return;
989 }
990 break;
991 case GL_EMISSION:
992 switch (face)
993 {
994 case GL_FRONT:
995 param[0] = l->emission[0].r;
996 param[1] = l->emission[0].g;
997 param[2] = l->emission[0].b;
998 param[3] = l->emission[0].a;
999 break;
1000 case GL_BACK:
1001 param[0] = l->emission[1].r;
1002 param[1] = l->emission[1].g;
1003 param[2] = l->emission[1].b;
1004 param[3] = l->emission[1].a;
1005 break;
1006 default:
1007 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1008 "glGetMaterialfv: bad face: 0x%x", face);
1009 return;
1010 }
1011 break;
1012 case GL_SHININESS:
1013 switch (face)
1014 {
1015 case GL_FRONT:
1016 *param = l->shininess[0];
1017 break;
1018 case GL_BACK:
1019 *param = l->shininess[1];
1020 break;
1021 default:
1022 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1023 "glGetMaterialfv: bad face: 0x%x", face);
1024 return;
1025 }
1026 break;
1027 case GL_COLOR_INDEXES :
1028 switch (face)
1029 {
1030 case GL_FRONT:
1031 param[0] = (GLfloat) l->indexes[0][0];
1032 param[1] = (GLfloat) l->indexes[0][1];
1033 param[2] = (GLfloat) l->indexes[0][2];
1034 break;
1035 case GL_BACK:
1036 param[0] = (GLfloat) l->indexes[1][0];
1037 param[1] = (GLfloat) l->indexes[1][1];
1038 param[2] = (GLfloat) l->indexes[1][2];
1039 break;
1040 default:
1041 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1042 "glGetMaterialfv: bad face: 0x%x", face);
1043 return;
1044 }
1045 return;
1046 default:
1047 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1048 "glGetMaterialfv: bad pname: 0x%x", pname);
1049 return;
1050 }
1051}
1052
1053
1054void STATE_APIENTRY crStateGetMaterialiv (GLenum face, GLenum pname, GLint *param)
1055{
1056 CRContext *g = GetCurrentContext();
1057 CRLightingState *l = &(g->lighting);
1058
1059 if (g->current.inBeginEnd)
1060 {
1061 crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
1062 "glGetMaterialiv called in begin/end");
1063 return;
1064 }
1065
1066 switch (pname)
1067 {
1068 case GL_AMBIENT:
1069 switch (face)
1070 {
1071 case GL_FRONT:
1072 param[0] = (GLint) (l->ambient[0].r * CR_MAXINT);
1073 param[1] = (GLint) (l->ambient[0].g * CR_MAXINT);
1074 param[2] = (GLint) (l->ambient[0].b * CR_MAXINT);
1075 param[3] = (GLint) (l->ambient[0].a * CR_MAXINT);
1076 break;
1077 case GL_BACK:
1078 param[0] = (GLint) (l->ambient[1].r * CR_MAXINT);
1079 param[1] = (GLint) (l->ambient[1].g * CR_MAXINT);
1080 param[2] = (GLint) (l->ambient[1].b * CR_MAXINT);
1081 param[3] = (GLint) (l->ambient[1].a * CR_MAXINT);
1082 break;
1083 default:
1084 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1085 "glGetMaterialiv: bad face: 0x%x", face);
1086 return;
1087 }
1088 break;
1089 case GL_DIFFUSE:
1090 switch (face)
1091 {
1092 case GL_FRONT:
1093 param[0] = (GLint) (l->diffuse[0].r * CR_MAXINT);
1094 param[1] = (GLint) (l->diffuse[0].g * CR_MAXINT);
1095 param[2] = (GLint) (l->diffuse[0].b * CR_MAXINT);
1096 param[3] = (GLint) (l->diffuse[0].a * CR_MAXINT);
1097 break;
1098 case GL_BACK:
1099 param[0] = (GLint) (l->diffuse[1].r * CR_MAXINT);
1100 param[1] = (GLint) (l->diffuse[1].g * CR_MAXINT);
1101 param[2] = (GLint) (l->diffuse[1].b * CR_MAXINT);
1102 param[3] = (GLint) (l->diffuse[1].a * CR_MAXINT);
1103 break;
1104 default:
1105 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1106 "glGetMaterialiv: bad face: 0x%x", face);
1107 return;
1108 }
1109 break;
1110 case GL_SPECULAR:
1111 switch (face)
1112 {
1113 case GL_FRONT:
1114 param[0] = (GLint) (l->specular[0].r * CR_MAXINT);
1115 param[1] = (GLint) (l->specular[0].g * CR_MAXINT);
1116 param[2] = (GLint) (l->specular[0].b * CR_MAXINT);
1117 param[3] = (GLint) (l->specular[0].a * CR_MAXINT);
1118 break;
1119 case GL_BACK:
1120 param[0] = (GLint) (l->specular[1].r * CR_MAXINT);
1121 param[1] = (GLint) (l->specular[1].g * CR_MAXINT);
1122 param[2] = (GLint) (l->specular[1].b * CR_MAXINT);
1123 param[3] = (GLint) (l->specular[1].a * CR_MAXINT);
1124 break;
1125 default:
1126 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1127 "glGetMaterialiv: bad face: 0x%x", face);
1128 return;
1129 }
1130 break;
1131 case GL_EMISSION:
1132 switch (face)
1133 {
1134 case GL_FRONT:
1135 param[0] = (GLint) (l->emission[0].r * CR_MAXINT);
1136 param[1] = (GLint) (l->emission[0].g * CR_MAXINT);
1137 param[2] = (GLint) (l->emission[0].b * CR_MAXINT);
1138 param[3] = (GLint) (l->emission[0].a * CR_MAXINT);
1139 break;
1140 case GL_BACK:
1141 param[0] = (GLint) (l->emission[1].r * CR_MAXINT);
1142 param[1] = (GLint) (l->emission[1].g * CR_MAXINT);
1143 param[2] = (GLint) (l->emission[1].b * CR_MAXINT);
1144 param[3] = (GLint) (l->emission[1].a * CR_MAXINT);
1145 break;
1146 default:
1147 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1148 "glGetMaterialiv: bad face: 0x%x", face);
1149 return;
1150 }
1151 break;
1152 case GL_SHININESS:
1153 switch (face) {
1154 case GL_FRONT:
1155 *param = (GLint) l->shininess[0];
1156 break;
1157 case GL_BACK:
1158 *param = (GLint) l->shininess[1];
1159 break;
1160 default:
1161 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1162 "glGetMaterialiv: bad face: 0x%x", face);
1163 return;
1164 }
1165 break;
1166 case GL_COLOR_INDEXES :
1167 switch (face)
1168 {
1169 case GL_FRONT:
1170 param[0] = (GLint) l->indexes[0][0];
1171 param[1] = (GLint) l->indexes[0][1];
1172 param[2] = (GLint) l->indexes[0][2];
1173 break;
1174 case GL_BACK:
1175 param[0] = (GLint) l->indexes[1][0];
1176 param[1] = (GLint) l->indexes[1][1];
1177 param[2] = (GLint) l->indexes[1][2];
1178 break;
1179 default:
1180 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1181 "glGetMaterialiv: bad face: 0x%x", face);
1182 return;
1183 }
1184 return;
1185 default:
1186 crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
1187 "glGetMaterialiv: bad pname: 0x%x", pname);
1188 return;
1189 }
1190}
1191
1192void crStateColorMaterialRecover(void)
1193{
1194 CRContext *g = GetCurrentContext();
1195 CRLightingState *l = &(g->lighting);
1196 CRCurrentState *c = &(g->current);
1197
1198 /* Assuming that the "current" values are up to date,
1199 * this function will extract them into the material
1200 * values if COLOR_MATERIAL has been enabled on the
1201 * client. */
1202
1203 if (l->colorMaterial)
1204 {
1205 /* prevent recursion here (was in tilesortspu_flush.c's doFlush() for a
1206 * short time. Without this, kirchner_colormaterial fails.
1207 */
1208 crStateFlushFunc(NULL);
1209
1210 crStateMaterialfv( l->colorMaterialFace, l->colorMaterialMode, &(c->vertexAttrib[VERT_ATTRIB_COLOR0][0]) );
1211 }
1212}
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