state_evaluators.c@ 78375

Last change on this file since 78375 was 78375, checked in by vboxsync, 6 years ago
Additions/common/crOpengl,GuestHost/OpenGL,HostServices/SharedOpenGL: Eliminate all global variables from the state tracker library (state_tracker) in preparation of the SPU DLL merging, bugref:9435
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File size: 29.5 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	/*
8	* The majority of this file is pulled from Mesa 4.0.x with the
9	* permission of Brian Paul
10	*/
11
12	#include <stdio.h>
13	#include "cr_mem.h"
14	#include "state.h"
15	#include "state/cr_statetypes.h"
16	#include "state_internals.h"
17
18	/* free the 1-D evaluator map */
19	static void
20	free_1d_map(CRContext *ctx, GLenum map)
21	{
22	CREvaluatorState *e = &ctx->eval;
23	const GLint k = map - GL_MAP1_COLOR_4;
24
25	crFree( e->eval1D[k].coeff );
26	}
27
28	/* free the 2-D evaluator map */
29	static void
30	free_2d_map(CRContext *ctx, GLenum map)
31	{
32	CREvaluatorState *e = &ctx->eval;
33	const GLint k = map - GL_MAP2_COLOR_4;
34
35	crFree( e->eval2D[k].coeff );
36	}
37
38	/* Initialize a 1-D evaluator map */
39	static void
40	init_1d_map(CRContext ctx, GLenum map, int n, const float initial)
41	{
42	CREvaluatorState *e = &ctx->eval;
43	CRStateBits *sb = GetCurrentBits(ctx->pStateTracker);
44	CREvaluatorBits *eb = &(sb->eval);
45	GLint i;
46	const GLint k = map - GL_MAP1_COLOR_4;
47	CRASSERT(k >= 0);
48	CRASSERT(k < GLEVAL_TOT);
49	e->eval1D[k].u1 = 0.0;
50	e->eval1D[k].u2 = 1.0;
51	e->eval1D[k].du = 0.0;
52	e->eval1D[k].order = 1;
53	e->eval1D[k].coeff = (GLfloat ) crAlloc(n sizeof(GLfloat));
54	for (i = 0; i < n; i++)
55	e->eval1D[k].coeff[i] = initial[i];
56	RESET(eb->eval1D[i], ctx->bitid);
57	}
58
59
60	/* Initialize a 2-D evaluator map */
61	static void
62	init_2d_map(CRContext ctx, GLenum map, int n, const float initial)
63	{
64	CREvaluatorState *e = &ctx->eval;
65	CRStateBits *sb = GetCurrentBits(ctx->pStateTracker);
66	CREvaluatorBits *eb = &(sb->eval);
67	GLint i;
68	const GLint k = map - GL_MAP2_COLOR_4;
69	CRASSERT(k >= 0);
70	CRASSERT(k < GLEVAL_TOT);
71	e->eval2D[k].u1 = 0.0;
72	e->eval2D[k].u2 = 1.0;
73	e->eval2D[k].du = 0.0;
74	e->eval2D[k].v1 = 0.0;
75	e->eval2D[k].v2 = 1.0;
76	e->eval2D[k].dv = 0.0;
77	e->eval2D[k].uorder = 1;
78	e->eval2D[k].vorder = 1;
79	e->eval2D[k].coeff = (GLfloat ) crAlloc(n sizeof(GLfloat));
80	for (i = 0; i < n; i++)
81	e->eval2D[k].coeff[i] = initial[i];
82	RESET(eb->eval2D[i], ctx->bitid);
83	}
84
85	void
86	crStateEvaluatorDestroy(CRContext *ctx)
87	{
88	free_1d_map(ctx, GL_MAP1_VERTEX_3);
89	free_1d_map(ctx, GL_MAP1_VERTEX_4);
90	free_1d_map(ctx, GL_MAP1_INDEX);
91	free_1d_map(ctx, GL_MAP1_COLOR_4);
92	free_1d_map(ctx, GL_MAP1_NORMAL);
93	free_1d_map(ctx, GL_MAP1_TEXTURE_COORD_1);
94	free_1d_map(ctx, GL_MAP1_TEXTURE_COORD_2);
95	free_1d_map(ctx, GL_MAP1_TEXTURE_COORD_3);
96	free_1d_map(ctx, GL_MAP1_TEXTURE_COORD_4);
97
98	free_2d_map(ctx, GL_MAP2_VERTEX_3);
99	free_2d_map(ctx, GL_MAP2_VERTEX_4);
100	free_2d_map(ctx, GL_MAP2_INDEX);
101	free_2d_map(ctx, GL_MAP2_COLOR_4);
102	free_2d_map(ctx, GL_MAP2_NORMAL);
103	free_2d_map(ctx, GL_MAP2_TEXTURE_COORD_1);
104	free_2d_map(ctx, GL_MAP2_TEXTURE_COORD_2);
105	free_2d_map(ctx, GL_MAP2_TEXTURE_COORD_3);
106	free_2d_map(ctx, GL_MAP2_TEXTURE_COORD_4);
107	}
108
109	void
110	crStateEvaluatorInit(CRContext *ctx)
111	{
112	CREvaluatorState *e = &ctx->eval;
113	CRStateBits *sb = GetCurrentBits(ctx->pStateTracker);
114	CREvaluatorBits *eb = &(sb->eval);
115	static GLfloat vertex[4] = { 0.0, 0.0, 0.0, 1.0 };
116	static GLfloat normal[3] = { 0.0, 0.0, 1.0 };
117	static GLfloat index[1] = { 1.0 };
118	static GLfloat color[4] = { 1.0, 1.0, 1.0, 1.0 };
119	static GLfloat texcoord[4] = { 0.0, 0.0, 0.0, 1.0 };
120
121	e->autoNormal = GL_FALSE;
122	RESET(eb->enable, ctx->bitid);
123
124	init_1d_map(ctx, GL_MAP1_VERTEX_3, 3, vertex);
125	init_1d_map(ctx, GL_MAP1_VERTEX_4, 4, vertex);
126	init_1d_map(ctx, GL_MAP1_INDEX, 1, index);
127	init_1d_map(ctx, GL_MAP1_COLOR_4, 4, color);
128	init_1d_map(ctx, GL_MAP1_NORMAL, 3, normal);
129	init_1d_map(ctx, GL_MAP1_TEXTURE_COORD_1, 1, texcoord);
130	init_1d_map(ctx, GL_MAP1_TEXTURE_COORD_2, 2, texcoord);
131	init_1d_map(ctx, GL_MAP1_TEXTURE_COORD_3, 3, texcoord);
132	init_1d_map(ctx, GL_MAP1_TEXTURE_COORD_4, 4, texcoord);
133
134	init_2d_map(ctx, GL_MAP2_VERTEX_3, 3, vertex);
135	init_2d_map(ctx, GL_MAP2_VERTEX_4, 4, vertex);
136	init_2d_map(ctx, GL_MAP2_INDEX, 1, index);
137	init_2d_map(ctx, GL_MAP2_COLOR_4, 4, color);
138	init_2d_map(ctx, GL_MAP2_NORMAL, 3, normal);
139	init_2d_map(ctx, GL_MAP2_TEXTURE_COORD_1, 1, texcoord);
140	init_2d_map(ctx, GL_MAP2_TEXTURE_COORD_2, 2, texcoord);
141	init_2d_map(ctx, GL_MAP2_TEXTURE_COORD_3, 3, texcoord);
142	init_2d_map(ctx, GL_MAP2_TEXTURE_COORD_4, 4, texcoord);
143
144	e->un1D = 1;
145	e->u11D = 0.0;
146	e->u21D = 1.0;
147	RESET(eb->grid1D, ctx->bitid);
148
149	e->un2D = 1;
150	e->vn2D = 1;
151	e->u12D = 0.0;
152	e->u22D = 1.0;
153	e->v12D = 0.0;
154	e->v22D = 1.0;
155	RESET(eb->grid1D, ctx->bitid);
156
157	RESET(eb->dirty, ctx->bitid);
158	}
159
160	const int gleval_sizes[] = { 4, 1, 3, 1, 2, 3, 4, 3, 4 };
161
162	/**********************************************************************/
163	/* Copy and deallocate control points */
164	/**********************************************************************/
165
166
167	/*
168	* Copy 1-parametric evaluator control points from user-specified
169	* memory space to a buffer of contiguous control points.
170	* Input: see glMap1f for details
171	* Return: pointer to buffer of contiguous control points or NULL if out
172	* of memory.
173	*/
174	static GLfloat *
175	_copy_map_points1f(GLint size, GLint ustride, GLint uorder,
176	const GLfloat * points)
177	{
178	GLfloat buffer, p;
179	GLint i, k;
180
181	if (!points \|\| size == 0) {
182	return NULL;
183	}
184
185	buffer = (GLfloat ) crAlloc(uorder size * sizeof(GLfloat));
186
187	if (buffer)
188	for (i = 0, p = buffer; i < uorder; i++, points += ustride)
189	for (k = 0; k < size; k++)
190	*p++ = points[k];
191
192	return buffer;
193	}
194
195
196
197	/*
198	* Same as above but convert doubles to floats.
199	*/
200	static GLfloat *
201	_copy_map_points1d(GLint size, GLint ustride, GLint uorder,
202	const GLdouble * points)
203	{
204	GLfloat buffer, p;
205	GLint i, k;
206
207	if (!points \|\| size == 0) {
208	return NULL;
209	}
210
211	buffer = (GLfloat ) crAlloc(uorder size * sizeof(GLfloat));
212
213	if (buffer)
214	for (i = 0, p = buffer; i < uorder; i++, points += ustride)
215	for (k = 0; k < size; k++)
216	*p++ = (GLfloat) points[k];
217
218	return buffer;
219	}
220
221
222
223	/*
224	* Copy 2-parametric evaluator control points from user-specified
225	* memory space to a buffer of contiguous control points.
226	* Additional memory is allocated to be used by the Horner and
227	* de Casteljau evaluation schemes.
228	*
229	* Input: see glMap2f for details
230	* Return: pointer to buffer of contiguous control points or NULL if out
231	* of memory.
232	*/
233	static GLfloat *
234	_copy_map_points2f(GLint size,
235	GLint ustride, GLint uorder,
236	GLint vstride, GLint vorder, const GLfloat * points)
237	{
238	GLfloat buffer, p;
239	GLint i, j, k, dsize, hsize;
240	GLint uinc;
241
242	if (!points \|\| size == 0) {
243	return NULL;
244	}
245
246	/* max(uorder, vorder) additional points are used in */
247	/* Horner evaluation and uordervorder additional /
248	/* values are needed for de Casteljau */
249	dsize = (uorder == 2 && vorder == 2) ? 0 : uorder * vorder;
250	hsize = (uorder > vorder ? uorder : vorder) * size;
251
252	if (hsize > dsize)
253	buffer =
254	(GLfloat ) crAlloc((uorder vorder * size + hsize) * sizeof(GLfloat));
255	else
256	buffer =
257	(GLfloat ) crAlloc((uorder vorder * size + dsize) * sizeof(GLfloat));
258
259	/* compute the increment value for the u-loop */
260	uinc = ustride - vorder * vstride;
261
262	if (buffer)
263	for (i = 0, p = buffer; i < uorder; i++, points += uinc)
264	for (j = 0; j < vorder; j++, points += vstride)
265	for (k = 0; k < size; k++)
266	*p++ = points[k];
267
268	return buffer;
269	}
270
271
272
273	/*
274	* Same as above but convert doubles to floats.
275	*/
276	static GLfloat *
277	_copy_map_points2d(GLint size,
278	GLint ustride, GLint uorder,
279	GLint vstride, GLint vorder, const GLdouble * points)
280	{
281	GLfloat buffer, p;
282	GLint i, j, k, hsize, dsize;
283	GLint uinc;
284
285	if (!points \|\| size == 0) {
286	return NULL;
287	}
288
289	/* max(uorder, vorder) additional points are used in */
290	/* Horner evaluation and uordervorder additional /
291	/* values are needed for de Casteljau */
292	dsize = (uorder == 2 && vorder == 2) ? 0 : uorder * vorder;
293	hsize = (uorder > vorder ? uorder : vorder) * size;
294
295	if (hsize > dsize)
296	buffer =
297	(GLfloat ) crAlloc((uorder vorder * size + hsize) * sizeof(GLfloat));
298	else
299	buffer =
300	(GLfloat ) crAlloc((uorder vorder * size + dsize) * sizeof(GLfloat));
301
302	/* compute the increment value for the u-loop */
303	uinc = ustride - vorder * vstride;
304
305	if (buffer)
306	for (i = 0, p = buffer; i < uorder; i++, points += uinc)
307	for (j = 0; j < vorder; j++, points += vstride)
308	for (k = 0; k < size; k++)
309	*p++ = (GLfloat) points[k];
310
311	return buffer;
312	}
313
314
315
316
317	/**********************************************************************/
318	/* API entry points */
319	/**********************************************************************/
320
321
322	/*
323	* This does the work of glMap1[fd].
324	*/
325	static void
326	map1(PCRStateTracker pState, GLenum target, GLfloat u1, GLfloat u2, GLint ustride,
327	GLint uorder, const GLvoid * points, GLenum type)
328	{
329	CRContext *g = GetCurrentContext(pState);
330	CREvaluatorState *e = &(g->eval);
331	CRStateBits *sb = GetCurrentBits(pState);
332	CREvaluatorBits *eb = &(sb->eval);
333	CRTextureState *t = &(g->texture);
334	GLint i;
335	GLint k;
336	GLfloat *pnts;
337
338	if (g->current.inBeginEnd) {
339	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION,
340	"Map1d called in begin/end");
341	return;
342	}
343
344	FLUSH();
345
346	CRASSERT(type == GL_FLOAT \|\| type == GL_DOUBLE);
347
348	if (u1 == u2) {
349	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap1d(u1==u2)");
350	return;
351	}
352	if (uorder < 1 \|\| uorder > MAX_EVAL_ORDER) {
353	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap1d(bad uorder)");
354	return;
355	}
356	if (!points) {
357	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE,
358	"glMap1d(null points)");
359	return;
360	}
361
362	switch (target) {
363	case GL_MAP1_VERTEX_3:
364	case GL_MAP1_VERTEX_4:
365	case GL_MAP1_INDEX:
366	case GL_MAP1_COLOR_4:
367	case GL_MAP1_NORMAL:
368	case GL_MAP1_TEXTURE_COORD_1:
369	case GL_MAP1_TEXTURE_COORD_2:
370	case GL_MAP1_TEXTURE_COORD_3:
371	case GL_MAP1_TEXTURE_COORD_4:
372	break;
373	default:
374	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM, "glMap1d(bad target)");
375	return;
376	}
377
378	i = target - GL_MAP1_COLOR_4;
379
380	k = gleval_sizes[i];
381
382	if (k == 0) {
383	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM, "glMap1d(k=0)");
384	return;
385	}
386
387	if (ustride < k) {
388	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap1d(bad ustride");
389	return;
390	}
391
392	if (t->curTextureUnit != 0) {
393	/* See OpenGL 1.2.1 spec, section F.2.13 */
394	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION,
395	"glMap1d(current texture unit must be zero)");
396	return;
397	}
398
399	/* make copy of the control points */
400	if (type == GL_FLOAT)
401	pnts = _copy_map_points1f(k, ustride, uorder, (GLfloat *) points);
402	else
403	pnts = _copy_map_points1d(k, ustride, uorder, (GLdouble *) points);
404
405	e->eval1D[i].order = uorder;
406	e->eval1D[i].u1 = u1;
407	e->eval1D[i].u2 = u2;
408	e->eval1D[i].du = 1.0f / (u2 - u1);
409	if (e->eval1D[i].coeff)
410	crFree(e->eval1D[i].coeff);
411	e->eval1D[i].coeff = pnts;
412
413	DIRTY(eb->dirty, g->neg_bitid);
414	DIRTY(eb->eval1D[i], g->neg_bitid);
415	}
416
417
418
419	void STATE_APIENTRY
420	crStateMap1f(PCRStateTracker pState, GLenum target, GLfloat u1, GLfloat u2,
421	GLint stride, GLint order, const GLfloat * points)
422	{
423	map1(pState, target, u1, u2, stride, order, points, GL_FLOAT);
424	}
425
426	void STATE_APIENTRY
427	crStateMap1d(PCRStateTracker pState, GLenum target, GLdouble u1, GLdouble u2, GLint stride,
428	GLint order, const GLdouble * points)
429	{
430	map1(pState, target, (GLfloat) u1, (GLfloat) u2, stride, order, points, GL_DOUBLE);
431	}
432
433	static void
434	map2(PCRStateTracker pState, GLenum target, GLfloat u1, GLfloat u2, GLint ustride, GLint uorder,
435	GLfloat v1, GLfloat v2, GLint vstride, GLint vorder,
436	const GLvoid * points, GLenum type)
437	{
438	CRContext *g = GetCurrentContext(pState);
439	CRStateBits *sb = GetCurrentBits(pState);
440	CREvaluatorState *e = &(g->eval);
441	CREvaluatorBits *eb = &(sb->eval);
442	#if 0
443	CRTextureState *t = &(g->texture);
444	#endif
445	GLint i;
446	GLint k;
447	GLfloat *pnts;
448
449	if (g->current.inBeginEnd) {
450	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION, "glMap2d()");
451	return;
452	}
453
454	FLUSH();
455
456	if (u1 == u2) {
457	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap2d()");
458	return;
459	}
460
461	if (v1 == v2) {
462	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap2d()");
463	return;
464	}
465
466	if (uorder < 1 \|\| uorder > MAX_EVAL_ORDER) {
467	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap2d()");
468	return;
469	}
470
471	if (vorder < 1 \|\| vorder > MAX_EVAL_ORDER) {
472	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap2d()");
473	return;
474	}
475
476	switch (target) {
477	case GL_MAP2_VERTEX_3:
478	case GL_MAP2_VERTEX_4:
479	case GL_MAP2_INDEX:
480	case GL_MAP2_COLOR_4:
481	case GL_MAP2_NORMAL:
482	case GL_MAP2_TEXTURE_COORD_1:
483	case GL_MAP2_TEXTURE_COORD_2:
484	case GL_MAP2_TEXTURE_COORD_3:
485	case GL_MAP2_TEXTURE_COORD_4:
486	break;
487	default:
488	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM, "glMap2d()");
489	return;
490	}
491
492	if (g->extensions.NV_vertex_program) {
493	/* XXX FIXME */
494	i = target - GL_MAP2_COLOR_4;
495	} else {
496	i = target - GL_MAP2_COLOR_4;
497	}
498
499	k = gleval_sizes[i];
500
501	if (k == 0) {
502	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM, "glMap2d()");
503	return;
504	}
505
506	if (ustride < k) {
507	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap2d()");
508	return;
509	}
510	if (vstride < k) {
511	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMap2d()");
512	return;
513	}
514
515	#if 00
516	/* Disable this check for now - it looks like various OpenGL drivers
517	* don't do this error check. So, a bunch of the NVIDIA demos
518	* generate errors/warnings.
519	*/
520	if (t->curTextureUnit != 0) {
521	/* See OpenGL 1.2.1 spec, section F.2.13 */
522	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION, "glMap2d()");
523	return;
524	}
525	#endif
526
527	/* make copy of the control points */
528	if (type == GL_FLOAT)
529	pnts = _copy_map_points2f(k, ustride, uorder,
530	vstride, vorder, (GLfloat *) points);
531	else
532	pnts = _copy_map_points2d(k, ustride, uorder,
533	vstride, vorder, (GLdouble *) points);
534
535	e->eval2D[i].uorder = uorder;
536	e->eval2D[i].u1 = u1;
537	e->eval2D[i].u2 = u2;
538	e->eval2D[i].du = 1.0f / (u2 - u1);
539	e->eval2D[i].vorder = vorder;
540	e->eval2D[i].v1 = v1;
541	e->eval2D[i].v2 = v2;
542	e->eval2D[i].dv = 1.0f / (v2 - v1);
543	if (e->eval2D[i].coeff)
544	crFree(e->eval2D[i].coeff);
545	e->eval2D[i].coeff = pnts;
546
547	DIRTY(eb->dirty, g->neg_bitid);
548	DIRTY(eb->eval2D[i], g->neg_bitid);
549	}
550
551	void STATE_APIENTRY
552	crStateMap2f(PCRStateTracker pState, GLenum target, GLfloat u1, GLfloat u2,
553	GLint ustride, GLint uorder,
554	GLfloat v1, GLfloat v2,
555	GLint vstride, GLint vorder, const GLfloat * points)
556	{
557	map2(pState, target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points, GL_FLOAT);
558	}
559
560
561	void STATE_APIENTRY
562	crStateMap2d(PCRStateTracker pState, GLenum target, GLdouble u1, GLdouble u2,
563	GLint ustride, GLint uorder,
564	GLdouble v1, GLdouble v2,
565	GLint vstride, GLint vorder, const GLdouble * points)
566	{
567	map2(pState, target, (GLfloat) u1, (GLfloat) u2, ustride, uorder, (GLfloat) v1, (GLfloat) v2, vstride, vorder, points, GL_DOUBLE);
568	}
569
570	void STATE_APIENTRY
571	crStateGetMapdv(PCRStateTracker pState, GLenum target, GLenum query, GLdouble * v)
572	{
573	CRContext *g = GetCurrentContext(pState);
574	CRStateBits *sb = GetCurrentBits(pState);
575	CREvaluatorState *e = &(g->eval);
576	GLint size;
577	GLint i, j;
578	(void) sb;
579
580	if (g->current.inBeginEnd) {
581	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION,
582	"Map1d called in begin/end");
583	return;
584	}
585
586	FLUSH();
587
588	i = target - GL_MAP1_COLOR_4;
589
590	if (i < 0 \|\| i >= GLEVAL_TOT) {
591	i = target - GL_MAP2_COLOR_4;
592
593	if (i < 0 \|\| i >= GLEVAL_TOT) {
594	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
595	"GetMapdv: invalid target: %d", target);
596	return;
597	}
598
599	switch (query) {
600	case GL_COEFF:
601	size = gleval_sizes[i] * e->eval2D[i].uorder * e->eval2D[i].vorder;
602	for (j = 0; j < size; j++) {
603	v[j] = e->eval2D[i].coeff[j];
604	}
605	break;
606	case GL_ORDER:
607	v[0] = (GLdouble) e->eval2D[i].uorder;
608	v[1] = (GLdouble) e->eval2D[i].vorder;
609	break;
610	case GL_DOMAIN:
611	v[0] = e->eval2D[i].u1;
612	v[1] = e->eval2D[i].u2;
613	v[2] = e->eval2D[i].v1;
614	v[3] = e->eval2D[i].v2;
615	break;
616	default:
617	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
618	"GetMapdv: invalid target: %d", target);
619	return;
620	}
621	}
622	else {
623	switch (query) {
624	case GL_COEFF:
625	size = gleval_sizes[i] * e->eval1D[i].order;
626	for (j = 0; j < size; j++) {
627	v[j] = e->eval1D[i].coeff[j];
628	}
629	break;
630	case GL_ORDER:
631	*v = (GLdouble) e->eval1D[i].order;
632	break;
633	case GL_DOMAIN:
634	v[0] = e->eval1D[i].u1;
635	v[1] = e->eval1D[i].u2;
636	break;
637	default:
638	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
639	"GetMapdv: invalid target: %d", target);
640	return;
641	}
642	}
643	}
644
645	void STATE_APIENTRY
646	crStateGetMapfv(PCRStateTracker pState, GLenum target, GLenum query, GLfloat * v)
647	{
648	CRContext *g = GetCurrentContext(pState);
649	CRStateBits *sb = GetCurrentBits(pState);
650	CREvaluatorState *e = &(g->eval);
651	GLint size;
652	GLint i, j;
653	(void) sb;
654
655	if (g->current.inBeginEnd) {
656	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION,
657	"Map1d called in begin/end");
658	return;
659	}
660
661	FLUSH();
662
663	i = target - GL_MAP1_COLOR_4;
664	if (i < 0 \|\| i >= GLEVAL_TOT) {
665	i = target - GL_MAP2_COLOR_4;
666	if (i < 0 \|\| i >= GLEVAL_TOT) {
667	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
668	"GetMapfv: invalid target: %d", target);
669	return;
670	}
671	switch (query) {
672	case GL_COEFF:
673	size = gleval_sizes[i] * e->eval2D[i].uorder * e->eval2D[i].vorder;
674	for (j = 0; j < size; j++) {
675	v[j] = (GLfloat) e->eval2D[i].coeff[j];
676	}
677	break;
678	case GL_ORDER:
679	v[0] = (GLfloat) e->eval2D[i].uorder;
680	v[1] = (GLfloat) e->eval2D[i].vorder;
681	break;
682	case GL_DOMAIN:
683	v[0] = (GLfloat) e->eval2D[i].u1;
684	v[1] = (GLfloat) e->eval2D[i].u2;
685	v[2] = (GLfloat) e->eval2D[i].v1;
686	v[3] = (GLfloat) e->eval2D[i].v2;
687	break;
688	default:
689	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
690	"GetMapfv: invalid target: %d", target);
691	return;
692	}
693	}
694	else {
695	switch (query) {
696	case GL_COEFF:
697	size = gleval_sizes[i] * e->eval1D[i].order;
698	for (j = 0; j < size; j++) {
699	v[j] = (GLfloat) e->eval1D[i].coeff[j];
700	}
701	break;
702	case GL_ORDER:
703	*v = (GLfloat) e->eval1D[i].order;
704	break;
705	case GL_DOMAIN:
706	v[0] = (GLfloat) e->eval1D[i].u1;
707	v[1] = (GLfloat) e->eval1D[i].u2;
708	break;
709	default:
710	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
711	"GetMapfv: invalid target: %d", target);
712	return;
713	}
714	}
715	}
716
717	void STATE_APIENTRY
718	crStateGetMapiv(PCRStateTracker pState, GLenum target, GLenum query, GLint * v)
719	{
720	CRContext *g = GetCurrentContext(pState);
721	CRStateBits *sb = GetCurrentBits(pState);
722	CREvaluatorState *e = &(g->eval);
723	GLint size;
724	GLint i, j;
725	(void) sb;
726
727	if (g->current.inBeginEnd) {
728	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION,
729	"Map1d called in begin/end");
730	return;
731	}
732
733	FLUSH();
734
735	i = target - GL_MAP1_COLOR_4;
736	if (i < 0 \|\| i >= GLEVAL_TOT) {
737	i = target - GL_MAP2_COLOR_4;
738	if (i < 0 \|\| i >= GLEVAL_TOT) {
739	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
740	"GetMapiv: invalid target: %d", target);
741	return;
742	}
743	switch (query) {
744	case GL_COEFF:
745	size = gleval_sizes[i] * e->eval2D[i].uorder * e->eval2D[i].vorder;
746	for (j = 0; j < size; j++) {
747	v[j] = (GLint) e->eval2D[i].coeff[j];
748	}
749	break;
750	case GL_ORDER:
751	v[0] = e->eval2D[i].uorder;
752	v[1] = e->eval2D[i].vorder;
753	break;
754	case GL_DOMAIN:
755	v[0] = (GLint) e->eval2D[i].u1;
756	v[1] = (GLint) e->eval2D[i].u2;
757	v[2] = (GLint) e->eval2D[i].v1;
758	v[3] = (GLint) e->eval2D[i].v2;
759	break;
760	default:
761	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
762	"GetMapiv: invalid target: %d", target);
763	return;
764	}
765	}
766	else {
767	switch (query) {
768	case GL_COEFF:
769	size = gleval_sizes[i] * e->eval1D[i].order;
770	for (j = 0; j < size; j++) {
771	v[j] = (GLint) e->eval1D[i].coeff[j];
772	}
773	break;
774	case GL_ORDER:
775	*v = e->eval1D[i].order;
776	break;
777	case GL_DOMAIN:
778	v[0] = (GLint) e->eval1D[i].u1;
779	v[1] = (GLint) e->eval1D[i].u2;
780	break;
781	default:
782	crStateError(pState, __LINE__, __FILE__, GL_INVALID_ENUM,
783	"GetMapiv: invalid target: %d", target);
784	return;
785	}
786	}
787	}
788
789	void STATE_APIENTRY
790	crStateMapGrid1f(PCRStateTracker pState, GLint un, GLfloat u1, GLfloat u2)
791	{
792	CRContext *g = GetCurrentContext(pState);
793	CRStateBits *sb = GetCurrentBits(pState);
794	CREvaluatorState *e = &(g->eval);
795	CREvaluatorBits *eb = &(sb->eval);
796
797	if (g->current.inBeginEnd) {
798	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION,
799	"Map1d called in begin/end");
800	return;
801	}
802
803	FLUSH();
804
805	if (un < 1) {
806	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMapGrid1f(bad un)");
807	return;
808	}
809
810	e->un1D = un;
811	e->u11D = u1;
812	e->u21D = u2;
813
814	DIRTY(eb->dirty, g->neg_bitid);
815	DIRTY(eb->grid1D, g->neg_bitid);
816	}
817
818	void STATE_APIENTRY
819	crStateMapGrid1d(PCRStateTracker pState, GLint un, GLdouble u1, GLdouble u2)
820	{
821	crStateMapGrid1f(pState, un, (GLfloat) u1, (GLfloat) u2);
822	}
823
824
825	void STATE_APIENTRY
826	crStateMapGrid2f(PCRStateTracker pState, GLint un, GLfloat u1, GLfloat u2,
827	GLint vn, GLfloat v1, GLfloat v2)
828	{
829	CRContext *g = GetCurrentContext(pState);
830	CRStateBits *sb = GetCurrentBits(pState);
831	CREvaluatorState *e = &(g->eval);
832	CREvaluatorBits *eb = &(sb->eval);
833
834	if (g->current.inBeginEnd) {
835	crStateError(pState, __LINE__, __FILE__, GL_INVALID_OPERATION,
836	"Map1d called in begin/end");
837	return;
838	}
839
840	FLUSH();
841
842	if (un < 1) {
843	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMapGrid2f(bad un)");
844	return;
845	}
846	if (vn < 1) {
847	crStateError(pState, __LINE__, __FILE__, GL_INVALID_VALUE, "glMapGrid2f(bad vn)");
848	return;
849	}
850
851	e->un2D = un;
852	e->vn2D = vn;
853	e->u12D = u1;
854	e->u22D = u2;
855	e->v12D = v1;
856	e->v22D = v2;
857
858	DIRTY(eb->dirty, g->neg_bitid);
859	DIRTY(eb->grid2D, g->neg_bitid);
860	}
861
862	void STATE_APIENTRY
863	crStateMapGrid2d(PCRStateTracker pState, GLint un, GLdouble u1, GLdouble u2,
864	GLint vn, GLdouble v1, GLdouble v2)
865	{
866	crStateMapGrid2f(pState, un, (GLfloat) u1, (GLfloat) u2,
867	vn, (GLfloat) v1, (GLfloat) v2);
868	}
869
870	void
871	crStateEvaluatorSwitch(CREvaluatorBits e, CRbitvalue bitID,
872	CRContext fromCtx, CRContext toCtx)
873	{
874	PCRStateTracker pState = fromCtx->pStateTracker;
875	CREvaluatorState *from = &(fromCtx->eval);
876	CREvaluatorState *to = &(toCtx->eval);
877	int i, j;
878	CRbitvalue nbitID[CR_MAX_BITARRAY];
879
880	CRASSERT(fromCtx->pStateTracker == toCtx->pStateTracker);
881
882	for (j = 0; j < CR_MAX_BITARRAY; j++)
883	nbitID[j] = ~bitID[j];
884
885	if (CHECKDIRTY(e->enable, bitID)) {
886	if (from->autoNormal != to->autoNormal) {
887	glAble able[2];
888	able[0] = pState->diff_api.Disable;
889	able[1] = pState->diff_api.Enable;
890	able[to->autoNormal] (GL_AUTO_NORMAL);
891	FILLDIRTY(e->enable);
892	FILLDIRTY(e->dirty);
893	}
894	CLEARDIRTY(e->enable, nbitID);
895	}
896	for (i = 0; i < GLEVAL_TOT; i++) {
897	if (CHECKDIRTY(e->eval1D[i], bitID)) {
898	int size = from->eval1D[i].order * gleval_sizes[i] *
899	sizeof(*from->eval1D[i].coeff);
900	if (from->eval1D[i].order != to->eval1D[i].order \|\|
901	from->eval1D[i].u1 != to->eval1D[i].u1 \|\|
902	from->eval1D[i].u2 != to->eval1D[i].u2 \|\|
903	crMemcmp((const void *) from->eval1D[i].coeff,
904	(const void *) to->eval1D[i].coeff, size)) {
905	pState->diff_api.Map1f(i + GL_MAP1_COLOR_4, to->eval1D[i].u1,
906	to->eval1D[i].u2, gleval_sizes[i], to->eval1D[i].order,
907	to->eval1D[i].coeff);
908	FILLDIRTY(e->dirty);
909	FILLDIRTY(e->eval1D[i]);
910	}
911	CLEARDIRTY(e->eval1D[i], nbitID);
912	}
913	}
914
915	for (i = 0; i < GLEVAL_TOT; i++) {
916	if (CHECKDIRTY(e->eval2D[i], bitID)) {
917	int size = from->eval2D[i].uorder * from->eval2D[i].vorder
918	* gleval_sizes[i] * sizeof(*from->eval2D[i].coeff);
919	if (from->eval2D[i].uorder != to->eval2D[i].uorder \|\|
920	from->eval2D[i].vorder != to->eval2D[i].vorder \|\|
921	from->eval2D[i].u1 != to->eval2D[i].u1 \|\|
922	from->eval2D[i].u2 != to->eval2D[i].u2 \|\|
923	from->eval2D[i].v1 != to->eval2D[i].v1 \|\|
924	from->eval2D[i].v2 != to->eval2D[i].v2 \|\|
925	crMemcmp((const void *) from->eval2D[i].coeff,
926	(const void *) to->eval2D[i].coeff, size)) {
927	pState->diff_api.Map2f(i + GL_MAP2_COLOR_4,
928	to->eval2D[i].u1, to->eval2D[i].u2,
929	gleval_sizes[i], to->eval2D[i].uorder,
930	to->eval2D[i].v1, to->eval2D[i].v2,
931	gleval_sizes[i], to->eval2D[i].vorder,
932	to->eval2D[i].coeff);
933	FILLDIRTY(e->dirty);
934	FILLDIRTY(e->eval2D[i]);
935	}
936	CLEARDIRTY(e->eval2D[i], nbitID);
937	}
938	}
939	if (CHECKDIRTY(e->grid1D, bitID)) {
940	if (from->u11D != to->u11D \|\|
941	from->u21D != to->u21D \|\|
942	from->un1D != to->un1D) {
943	pState->diff_api.MapGrid1d(to->un1D, to->u11D, to->u21D);
944	FILLDIRTY(e->dirty);
945	FILLDIRTY(e->grid1D);
946	}
947	CLEARDIRTY(e->grid1D, nbitID);
948	}
949	if (CHECKDIRTY(e->grid2D, bitID)) {
950	if (from->u12D != to->u12D \|\|
951	from->u22D != to->u22D \|\|
952	from->un2D != to->un2D \|\|
953	from->v12D != to->v12D \|\|
954	from->v22D != to->v22D \|\|
955	from->vn2D != to->vn2D) {
956	pState->diff_api.MapGrid2d(to->un2D, to->u12D, to->u22D,
957	to->vn2D, to->v12D, to->v22D);
958	FILLDIRTY(e->dirty);
959	FILLDIRTY(e->grid1D);
960	}
961	CLEARDIRTY(e->grid1D, nbitID);
962	}
963	CLEARDIRTY(e->dirty, nbitID);
964	}
965
966	void
967	crStateEvaluatorDiff(CREvaluatorBits e, CRbitvalue bitID,
968	CRContext fromCtx, CRContext toCtx)
969	{
970	PCRStateTracker pState = fromCtx->pStateTracker;
971	CREvaluatorState *from = &(fromCtx->eval);
972	CREvaluatorState *to = &(toCtx->eval);
973	glAble able[2];
974	int i, j;
975	CRbitvalue nbitID[CR_MAX_BITARRAY];
976
977	CRASSERT(fromCtx->pStateTracker == toCtx->pStateTracker);
978
979	for (j = 0; j < CR_MAX_BITARRAY; j++)
980	nbitID[j] = ~bitID[j];
981
982	able[0] = pState->diff_api.Disable;
983	able[1] = pState->diff_api.Enable;
984
985	if (CHECKDIRTY(e->enable, bitID)) {
986	if (from->autoNormal != to->autoNormal) {
987	able[to->autoNormal] (GL_AUTO_NORMAL);
988	from->autoNormal = to->autoNormal;
989	}
990	CLEARDIRTY(e->enable, nbitID);
991	}
992	for (i = 0; i < GLEVAL_TOT; i++) {
993	if (CHECKDIRTY(e->enable1D[i], bitID)) {
994	if (from->enable1D[i] != to->enable1D[i]) {
995	able[to->enable1D[i]] (i + GL_MAP1_COLOR_4);
996	from->enable1D[i] = to->enable1D[i];
997	}
998	CLEARDIRTY(e->enable1D[i], nbitID);
999	}
1000	if (to->enable1D[i] && CHECKDIRTY(e->eval1D[i], bitID)) {
1001	int size = from->eval1D[i].order * gleval_sizes[i] *
1002	sizeof(*from->eval1D[i].coeff);
1003	if (from->eval1D[i].order != to->eval1D[i].order \|\|
1004	from->eval1D[i].u1 != to->eval1D[i].u1 \|\|
1005	from->eval1D[i].u2 != to->eval1D[i].u2 \|\|
1006	crMemcmp((const void *) from->eval1D[i].coeff,
1007	(const void *) to->eval1D[i].coeff, size)) {
1008	pState->diff_api.Map1f(i + GL_MAP1_COLOR_4, to->eval1D[i].u1,
1009	to->eval1D[i].u2, gleval_sizes[i], to->eval1D[i].order,
1010	to->eval1D[i].coeff);
1011	from->eval1D[i].order = to->eval1D[i].order;
1012	from->eval1D[i].u1 = to->eval1D[i].u1;
1013	from->eval1D[i].u2 = to->eval1D[i].u2;
1014	crMemcpy((void *) from->eval1D[i].coeff,
1015	(const void *) to->eval1D[i].coeff, size);
1016	}
1017	CLEARDIRTY(e->eval1D[i], nbitID);
1018	}
1019	}
1020
1021	for (i = 0; i < GLEVAL_TOT; i++) {
1022	if (CHECKDIRTY(e->enable2D[i], bitID)) {
1023	if (from->enable2D[i] != to->enable2D[i]) {
1024	able[to->enable2D[i]] (i + GL_MAP2_COLOR_4);
1025	from->enable2D[i] = to->enable2D[i];
1026	}
1027	CLEARDIRTY(e->enable2D[i], nbitID);
1028	}
1029	if (to->enable2D[i] && CHECKDIRTY(e->eval2D[i], bitID)) {
1030	int size = from->eval2D[i].uorder * from->eval2D[i].vorder
1031	* gleval_sizes[i] * sizeof(*from->eval2D[i].coeff);
1032	if (from->eval2D[i].uorder != to->eval2D[i].uorder \|\|
1033	from->eval2D[i].vorder != to->eval2D[i].vorder \|\|
1034	from->eval2D[i].u1 != to->eval2D[i].u1 \|\|
1035	from->eval2D[i].u2 != to->eval2D[i].u2 \|\|
1036	from->eval2D[i].v1 != to->eval2D[i].v1 \|\|
1037	from->eval2D[i].v2 != to->eval2D[i].v2 \|\|
1038	crMemcmp((const void *) from->eval2D[i].coeff,
1039	(const void *) to->eval2D[i].coeff, size)) {
1040	pState->diff_api.Map2f(i + GL_MAP2_COLOR_4,
1041	to->eval2D[i].u1, to->eval2D[i].u2,
1042	gleval_sizes[i], to->eval2D[i].uorder,
1043	to->eval2D[i].v1, to->eval2D[i].v2,
1044	gleval_sizes[i], to->eval2D[i].vorder,
1045	to->eval2D[i].coeff);
1046	from->eval2D[i].uorder = to->eval2D[i].uorder;
1047	from->eval2D[i].vorder = to->eval2D[i].vorder;
1048	from->eval2D[i].u1 = to->eval2D[i].u1;
1049	from->eval2D[i].u2 = to->eval2D[i].u2;
1050	from->eval2D[i].v1 = to->eval2D[i].v1;
1051	from->eval2D[i].v2 = to->eval2D[i].v2;
1052	crMemcpy((void *) from->eval2D[i].coeff,
1053	(const void *) to->eval2D[i].coeff, size);
1054	}
1055	CLEARDIRTY(e->eval2D[i], nbitID);
1056	}
1057	}
1058	if (CHECKDIRTY(e->grid1D, bitID)) {
1059	if (from->u11D != to->u11D \|\|
1060	from->u21D != to->u21D \|\|
1061	from->un1D != to->un1D) {
1062	pState->diff_api.MapGrid1d(to->un1D, to->u11D, to->u21D);
1063	from->u11D = to->u11D;
1064	from->u21D = to->u21D;
1065	from->un1D = to->un1D;
1066	}
1067	CLEARDIRTY(e->grid1D, nbitID);
1068	}
1069	if (CHECKDIRTY(e->grid2D, bitID)) {
1070	if (from->u12D != to->u12D \|\|
1071	from->u22D != to->u22D \|\|
1072	from->un2D != to->un2D \|\|
1073	from->v12D != to->v12D \|\|
1074	from->v22D != to->v22D \|\|
1075	from->vn2D != to->vn2D) {
1076	pState->diff_api.MapGrid2d(to->un2D, to->u12D, to->u22D,
1077	to->vn2D, to->v12D, to->v22D);
1078	from->u12D = to->u12D;
1079	from->u22D = to->u22D;
1080	from->un2D = to->un2D;
1081	from->v12D = to->v12D;
1082	from->v22D = to->v22D;
1083	from->vn2D = to->vn2D;
1084	}
1085	CLEARDIRTY(e->grid1D, nbitID);
1086	}
1087	CLEARDIRTY(e->dirty, nbitID);
1088	}

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source: vbox/trunk/src/VBox/GuestHost/OpenGL/state_tracker/state_evaluators.c@ 78375

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