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source: vbox/trunk/src/VBox/GuestHost/OpenGL/packer/pack_client.c@ 22534

Last change on this file since 22534 was 22534, checked in by vboxsync, 15 years ago

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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 "packer.h"
8#include "cr_opcodes.h"
9#include "cr_version.h"
10#include "state/cr_limits.h"
11#include "cr_glstate.h"
12
13/*Convert from GLint to GLfloat in [-1.f,1.f]*/
14#define CRP_I2F_NORM(i) ((2.f*((GLint)(i))+1.f) * (1.f/4294967294.f))
15/*Convert from GLshort to GLfloat in [-1.f,1.f]*/
16#define CRP_S2F_NORM(s) ((2.f*((GLshort)(s))+1.f) * (1.f/65535.f))
17/*Convert from GLbyte to GLfloat in [-1.f,1.f]*/
18#define CRP_B2F_NORM(b) ((2.f*((GLbyte)(b))+1.f) * (1.f/255.f))
19/*Convert from GLuint to GLfloat in [0.f,1.f]*/
20#define CRP_UI2F_NORM(i) ((GLfloat)(i) * (1.f/4294967295.f))
21/*Convert from GLushort to GLfloat in [0.f,1.f]*/
22#define CRP_US2F_NORM(s) ((GLfloat)(s) * (1.f/65535.f))
23/*Convert from GLubyte to GLfloat in [0.f,1.f]*/
24#define CRP_UB2F_NORM(b) ((GLfloat)(b) * (1.f/255.f))
25
26static void crPackVertexAttrib(const CRVertexArrays *array, unsigned int attr, GLint index)
27{
28 unsigned char *p = array->a[attr].p + index * array->a[attr].stride;
29
30#ifdef CR_ARB_vertex_buffer_object
31 if (array->a[attr].buffer && array->a[attr].buffer->data)
32 {
33 p = (unsigned char *)(array->a[attr].buffer->data) + (unsigned long)p;
34 }
35#endif
36
37 if (!p)
38 {
39 crWarning("crPackVertexAttrib: NULL ptr!");
40 return;
41 }
42
43 switch (array->a[attr].type)
44 {
45 case GL_SHORT:
46 {
47 GLshort *sPtr = (GLshort*) p;
48 switch (array->a[attr].size)
49 {
50 case 1:
51 if (array->a[attr].normalized)
52 crPackVertexAttrib1fARB(attr, CRP_S2F_NORM(sPtr[0]));
53 else
54 crPackVertexAttrib1svARB(attr, sPtr);
55 break;
56 case 2:
57 if (array->a[attr].normalized)
58 crPackVertexAttrib2fARB(attr, CRP_S2F_NORM(sPtr[0]), CRP_S2F_NORM(sPtr[1]));
59 else
60 crPackVertexAttrib2svARB(attr, sPtr);
61 break;
62 case 3:
63 if (array->a[attr].normalized)
64 crPackVertexAttrib3fARB(attr, CRP_S2F_NORM(sPtr[0]), CRP_S2F_NORM(sPtr[1]), CRP_S2F_NORM(sPtr[2]));
65 else
66 crPackVertexAttrib3svARB(attr, sPtr);
67 break;
68 case 4:
69 if (array->a[attr].normalized)
70 crPackVertexAttrib4NsvARB(attr, sPtr);
71 else
72 crPackVertexAttrib4svARB(attr, sPtr);
73 break;
74 }
75 break;
76 }
77 case GL_UNSIGNED_SHORT:
78 {
79 GLushort *usPtr = (GLushort*) p;
80 if (array->a[attr].normalized)
81 {
82 switch (array->a[attr].size)
83 {
84 case 1:
85 crPackVertexAttrib1fARB(attr, CRP_US2F_NORM(usPtr[0]));
86 break;
87 case 2:
88 crPackVertexAttrib2fARB(attr, CRP_US2F_NORM(usPtr[0]), CRP_US2F_NORM(usPtr[1]));
89 break;
90 case 3:
91 crPackVertexAttrib3fARB(attr, CRP_US2F_NORM(usPtr[0]), CRP_US2F_NORM(usPtr[1]), CRP_US2F_NORM(usPtr[2]));
92 break;
93 case 4:
94 crPackVertexAttrib4NusvARB(attr, usPtr);
95 break;
96 }
97 }
98 else
99 {
100 GLushort usv[4];
101 switch (array->a[attr].size)
102 {
103 case 4:
104 crPackVertexAttrib4usvARB(attr, usPtr);
105 break;
106 case 3: usv[2] = usPtr[2];
107 case 2: usv[1] = usPtr[1];
108 case 1:
109 usv[0] = usPtr[0];
110 crPackVertexAttrib4usvARB(attr, usv);
111 break;
112 }
113 }
114 break;
115 }
116 case GL_INT:
117 {
118 GLint *iPtr = (GLint*) p;
119 if (array->a[attr].normalized)
120 {
121 switch (array->a[attr].size)
122 {
123 case 1:
124 crPackVertexAttrib1fARB(attr, CRP_I2F_NORM(iPtr[0]));
125 break;
126 case 2:
127 crPackVertexAttrib2fARB(attr, CRP_I2F_NORM(iPtr[0]), CRP_I2F_NORM(iPtr[1]));
128 break;
129 case 3:
130 crPackVertexAttrib3fARB(attr, CRP_I2F_NORM(iPtr[0]), CRP_I2F_NORM(iPtr[1]), CRP_I2F_NORM(iPtr[2]));
131 break;
132 case 4:
133 crPackVertexAttrib4NivARB(attr, iPtr);
134 break;
135 }
136 }
137 else
138 {
139 GLint iv[4];
140 switch (array->a[attr].size)
141 {
142 case 4:
143 crPackVertexAttrib4ivARB(attr, iPtr);
144 break;
145 case 3: iv[2] = iPtr[2];
146 case 2: iv[1] = iPtr[1];
147 case 1:
148 iv[0] = iPtr[0];
149 crPackVertexAttrib4ivARB(attr, iv);
150 break;
151 }
152 }
153 break;
154 }
155 case GL_UNSIGNED_INT:
156 {
157 GLuint *uiPtr = (GLuint*) p;
158 if (array->a[attr].normalized)
159 {
160 switch (array->a[attr].size)
161 {
162 case 1:
163 crPackVertexAttrib1fARB(attr, CRP_UI2F_NORM(uiPtr[0]));
164 break;
165 case 2:
166 crPackVertexAttrib2fARB(attr, CRP_UI2F_NORM(uiPtr[0]), CRP_UI2F_NORM(uiPtr[1]));
167 break;
168 case 3:
169 crPackVertexAttrib3fARB(attr, CRP_UI2F_NORM(uiPtr[0]), CRP_UI2F_NORM(uiPtr[1]), CRP_UI2F_NORM(uiPtr[2]));
170 break;
171 case 4:
172 crPackVertexAttrib4NivARB(attr, uiPtr);
173 break;
174 }
175 }
176 else
177 {
178 GLuint uiv[4];
179 switch (array->a[attr].size)
180 {
181 case 4:
182 crPackVertexAttrib4uivARB(attr, uiPtr);
183 break;
184 case 3: uiv[2] = uiPtr[2];
185 case 2: uiv[1] = uiPtr[1];
186 case 1:
187 uiv[0] = uiPtr[0];
188 crPackVertexAttrib4uivARB(attr, uiv);
189 break;
190 }
191 }
192 break;
193 }
194 case GL_FLOAT:
195 switch (array->a[attr].size)
196 {
197 case 1: crPackVertexAttrib1fvARB(attr, (GLfloat *)p); break;
198 case 2: crPackVertexAttrib2fvARB(attr, (GLfloat *)p); break;
199 case 3: crPackVertexAttrib3fvARB(attr, (GLfloat *)p); break;
200 case 4: crPackVertexAttrib4fvARB(attr, (GLfloat *)p); break;
201 }
202 break;
203 case GL_DOUBLE:
204 switch (array->a[attr].size)
205 {
206 case 1: crPackVertexAttrib1dvARB(attr, (GLdouble *)p); break;
207 case 2: crPackVertexAttrib2dvARB(attr, (GLdouble *)p); break;
208 case 3: crPackVertexAttrib3dvARB(attr, (GLdouble *)p); break;
209 case 4: crPackVertexAttrib4dvARB(attr, (GLdouble *)p); break;
210 }
211 break;
212 case GL_BYTE:
213 {
214 GLbyte *bPtr = (GLbyte*) p;
215 if (array->a[attr].normalized)
216 {
217 switch (array->a[attr].size)
218 {
219 case 1:
220 crPackVertexAttrib1fARB(attr, CRP_B2F_NORM(bPtr[0]));
221 break;
222 case 2:
223 crPackVertexAttrib2fARB(attr, CRP_B2F_NORM(bPtr[0]), CRP_B2F_NORM(bPtr[1]));
224 break;
225 case 3:
226 crPackVertexAttrib3fARB(attr, CRP_B2F_NORM(bPtr[0]), CRP_B2F_NORM(bPtr[1]), CRP_B2F_NORM(bPtr[2]));
227 break;
228 case 4:
229 crPackVertexAttrib4NbvARB(attr, bPtr);
230 break;
231 }
232 }
233 else
234 {
235 GLbyte bv[4];
236 switch (array->a[attr].size)
237 {
238 case 4:
239 crPackVertexAttrib4bvARB(attr, bPtr);
240 break;
241 case 3: bv[2] = bPtr[2];
242 case 2: bv[1] = bPtr[1];
243 case 1:
244 bv[0] = bPtr[0];
245 crPackVertexAttrib4bvARB(attr, bv);
246 break;
247 }
248 }
249 break;
250 }
251 case GL_UNSIGNED_BYTE:
252 {
253 GLubyte *ubPtr = (GLubyte*) p;
254 if (array->a[attr].normalized)
255 {
256 switch (array->a[attr].size)
257 {
258 case 1:
259 crPackVertexAttrib1fARB(attr, CRP_UB2F_NORM(ubPtr[0]));
260 break;
261 case 2:
262 crPackVertexAttrib2fARB(attr, CRP_UB2F_NORM(ubPtr[0]), CRP_UB2F_NORM(ubPtr[1]));
263 break;
264 case 3:
265 crPackVertexAttrib3fARB(attr, CRP_UB2F_NORM(ubPtr[0]), CRP_UB2F_NORM(ubPtr[1]), CRP_UB2F_NORM(ubPtr[2]));
266 break;
267 case 4:
268 crPackVertexAttrib4NubvARB(attr, ubPtr);
269 break;
270 }
271 }
272 else
273 {
274 GLubyte ubv[4];
275 switch (array->a[attr].size)
276 {
277 case 4:
278 crPackVertexAttrib4ubvARB(attr, ubPtr);
279 break;
280 case 3: ubv[2] = ubPtr[2];
281 case 2: ubv[1] = ubPtr[1];
282 case 1:
283 ubv[0] = ubPtr[0];
284 crPackVertexAttrib4ubvARB(attr, ubv);
285 break;
286 }
287 }
288 break;
289 }
290 default:
291 crWarning("Bad datatype for vertex attribute [%d] array: 0x%x\n",
292 attr, array->a[attr].type);
293 }
294}
295
296/*
297 * Expand glArrayElement into crPackVertex/Color/Normal/etc.
298 */
299void
300crPackExpandArrayElement(GLint index, CRClientState *c)
301{
302 unsigned char *p;
303 unsigned int unit, attr;
304 const CRVertexArrays *array = &(c->array);
305 const GLboolean vpEnabled = crStateGetCurrent()->program.vpEnabled;
306
307 /*crDebug("crPackExpandArrayElement(%i)", index);*/
308
309 if (array->n.enabled && !(vpEnabled && array->a[VERT_ATTRIB_NORMAL].enabled))
310 {
311 p = array->n.p + index * array->n.stride;
312
313#ifdef CR_ARB_vertex_buffer_object
314 if (array->n.buffer && array->n.buffer->data)
315 {
316 p = (unsigned char *)(array->n.buffer->data) + (unsigned long)p;
317 }
318#endif
319
320 switch (array->n.type)
321 {
322 case GL_BYTE: crPackNormal3bv((GLbyte *)p); break;
323 case GL_SHORT: crPackNormal3sv((GLshort *)p); break;
324 case GL_INT: crPackNormal3iv((GLint *)p); break;
325 case GL_FLOAT: crPackNormal3fv((GLfloat *)p); break;
326 case GL_DOUBLE: crPackNormal3dv((GLdouble *)p); break;
327 default:
328 crWarning("Unhandled: crPackExpandArrayElement, array->n.type 0x%x", array->n.type);
329 }
330 }
331
332 if (array->c.enabled && !(vpEnabled && array->a[VERT_ATTRIB_COLOR0].enabled))
333 {
334 p = array->c.p + index * array->c.stride;
335
336#ifdef CR_ARB_vertex_buffer_object
337 if (array->c.buffer && array->c.buffer->data)
338 {
339 p = (unsigned char *)(array->c.buffer->data) + (unsigned long)p;
340 }
341#endif
342
343 switch (array->c.type)
344 {
345 case GL_BYTE:
346 switch (c->array.c.size)
347 {
348 case 3: crPackColor3bv((GLbyte *)p); break;
349 case 4: crPackColor4bv((GLbyte *)p); break;
350 }
351 break;
352 case GL_UNSIGNED_BYTE:
353 switch (c->array.c.size)
354 {
355 case 3: crPackColor3ubv((GLubyte *)p); break;
356 case 4: crPackColor4ubv((GLubyte *)p); break;
357 }
358 break;
359 case GL_SHORT:
360 switch (c->array.c.size)
361 {
362 case 3: crPackColor3sv((GLshort *)p); break;
363 case 4: crPackColor4sv((GLshort *)p); break;
364 }
365 break;
366 case GL_UNSIGNED_SHORT:
367 switch (c->array.c.size)
368 {
369 case 3: crPackColor3usv((GLushort *)p); break;
370 case 4: crPackColor4usv((GLushort *)p); break;
371 }
372 break;
373 case GL_INT:
374 switch (c->array.c.size)
375 {
376 case 3: crPackColor3iv((GLint *)p); break;
377 case 4: crPackColor4iv((GLint *)p); break;
378 }
379 break;
380 case GL_UNSIGNED_INT:
381 switch (c->array.c.size)
382 {
383 case 3: crPackColor3uiv((GLuint *)p); break;
384 case 4: crPackColor4uiv((GLuint *)p); break;
385 }
386 break;
387 case GL_FLOAT:
388 switch (c->array.c.size)
389 {
390 case 3: crPackColor3fv((GLfloat *)p); break;
391 case 4: crPackColor4fv((GLfloat *)p); break;
392 }
393 break;
394 case GL_DOUBLE:
395 switch (c->array.c.size)
396 {
397 case 3: crPackColor3dv((GLdouble *)p); break;
398 case 4: crPackColor4dv((GLdouble *)p); break;
399 }
400 break;
401 default:
402 crWarning("Unhandled: crPackExpandArrayElement, array->c.type 0x%x", array->c.type);
403 }
404 }
405
406#ifdef CR_EXT_secondary_color
407 if (array->s.enabled && !(vpEnabled && array->a[VERT_ATTRIB_COLOR1].enabled))
408 {
409 p = array->s.p + index * array->s.stride;
410
411#ifdef CR_ARB_vertex_buffer_object
412 if (array->s.buffer && array->s.buffer->data)
413 {
414 p = (unsigned char *)(array->s.buffer->data) + (unsigned long)p;
415 }
416#endif
417
418 switch (array->s.type)
419 {
420 case GL_BYTE:
421 crPackSecondaryColor3bvEXT((GLbyte *)p); break;
422 case GL_UNSIGNED_BYTE:
423 crPackSecondaryColor3ubvEXT((GLubyte *)p); break;
424 case GL_SHORT:
425 crPackSecondaryColor3svEXT((GLshort *)p); break;
426 case GL_UNSIGNED_SHORT:
427 crPackSecondaryColor3usvEXT((GLushort *)p); break;
428 case GL_INT:
429 crPackSecondaryColor3ivEXT((GLint *)p); break;
430 case GL_UNSIGNED_INT:
431 crPackSecondaryColor3uivEXT((GLuint *)p); break;
432 case GL_FLOAT:
433 crPackSecondaryColor3fvEXT((GLfloat *)p); break;
434 case GL_DOUBLE:
435 crPackSecondaryColor3dvEXT((GLdouble *)p); break;
436 default:
437 crWarning("Unhandled: crPackExpandArrayElement, array->s.type 0x%x", array->s.type);
438 }
439 }
440#endif // CR_EXT_secondary_color
441
442
443#ifdef CR_EXT_fog_coord
444 if (array->f.enabled && !(vpEnabled && array->a[VERT_ATTRIB_FOG].enabled))
445 {
446 p = array->f.p + index * array->f.stride;
447
448#ifdef CR_ARB_vertex_buffer_object
449 if (array->f.buffer && array->f.buffer->data)
450 {
451 p = (unsigned char *)(array->f.buffer->data) + (unsigned long)p;
452 }
453#endif
454 crPackFogCoordfEXT( *((GLfloat *) p) );
455 }
456#endif // CR_EXT_fog_coord
457
458 for (unit = 0 ; unit < CR_MAX_TEXTURE_UNITS ; unit++)
459 {
460 if (array->t[unit].enabled && !(vpEnabled && array->a[VERT_ATTRIB_TEX0+unit].enabled))
461 {
462 p = array->t[unit].p + index * array->t[unit].stride;
463
464#ifdef CR_ARB_vertex_buffer_object
465 if (array->t[unit].buffer && array->t[unit].buffer->data)
466 {
467 p = (unsigned char *)(array->t[unit].buffer->data) + (unsigned long)p;
468 }
469#endif
470
471 switch (array->t[unit].type)
472 {
473 case GL_SHORT:
474 switch (array->t[unit].size)
475 {
476 case 1: crPackMultiTexCoord1svARB(GL_TEXTURE0_ARB + unit, (GLshort *)p); break;
477 case 2: crPackMultiTexCoord2svARB(GL_TEXTURE0_ARB + unit, (GLshort *)p); break;
478 case 3: crPackMultiTexCoord3svARB(GL_TEXTURE0_ARB + unit, (GLshort *)p); break;
479 case 4: crPackMultiTexCoord4svARB(GL_TEXTURE0_ARB + unit, (GLshort *)p); break;
480 }
481 break;
482 case GL_INT:
483 switch (array->t[unit].size)
484 {
485 case 1: crPackMultiTexCoord1ivARB(GL_TEXTURE0_ARB + unit, (GLint *)p); break;
486 case 2: crPackMultiTexCoord2ivARB(GL_TEXTURE0_ARB + unit, (GLint *)p); break;
487 case 3: crPackMultiTexCoord3ivARB(GL_TEXTURE0_ARB + unit, (GLint *)p); break;
488 case 4: crPackMultiTexCoord4ivARB(GL_TEXTURE0_ARB + unit, (GLint *)p); break;
489 }
490 break;
491 case GL_FLOAT:
492 switch (array->t[unit].size)
493 {
494 case 1: crPackMultiTexCoord1fvARB(GL_TEXTURE0_ARB + unit, (GLfloat *)p); break;
495 case 2: crPackMultiTexCoord2fvARB(GL_TEXTURE0_ARB + unit, (GLfloat *)p); break;
496 case 3: crPackMultiTexCoord3fvARB(GL_TEXTURE0_ARB + unit, (GLfloat *)p); break;
497 case 4: crPackMultiTexCoord4fvARB(GL_TEXTURE0_ARB + unit, (GLfloat *)p); break;
498 }
499 break;
500 case GL_DOUBLE:
501 switch (array->t[unit].size)
502 {
503 case 1: crPackMultiTexCoord1dvARB(GL_TEXTURE0_ARB + unit, (GLdouble *)p); break;
504 case 2: crPackMultiTexCoord2dvARB(GL_TEXTURE0_ARB + unit, (GLdouble *)p); break;
505 case 3: crPackMultiTexCoord3dvARB(GL_TEXTURE0_ARB + unit, (GLdouble *)p); break;
506 case 4: crPackMultiTexCoord4dvARB(GL_TEXTURE0_ARB + unit, (GLdouble *)p); break;
507 }
508 break;
509 default:
510 crWarning("Unhandled: crPackExpandArrayElement, array->t[%i].type 0x%x", unit, array->t[unit].type);
511 }
512 }
513 }
514
515 if (array->i.enabled)
516 {
517 p = array->i.p + index * array->i.stride;
518
519#ifdef CR_ARB_vertex_buffer_object
520 if (array->i.buffer && array->i.buffer->data)
521 {
522 p = (unsigned char *)(array->i.buffer->data) + (unsigned long)p;
523 }
524#endif
525
526 switch (array->i.type)
527 {
528 case GL_SHORT: crPackIndexsv((GLshort *)p); break;
529 case GL_INT: crPackIndexiv((GLint *)p); break;
530 case GL_FLOAT: crPackIndexfv((GLfloat *)p); break;
531 case GL_DOUBLE: crPackIndexdv((GLdouble *)p); break;
532 default:
533 crWarning("Unhandled: crPackExpandArrayElement, array->i.type 0x%x", array->i.type);
534 }
535 }
536
537 if (array->e.enabled)
538 {
539 p = array->e.p + index * array->e.stride;
540
541#ifdef CR_ARB_vertex_buffer_object
542 if (array->e.buffer && array->e.buffer->data)
543 {
544 p = (unsigned char *)(array->e.buffer->data) + (unsigned long)p;
545 }
546#endif
547
548 crPackEdgeFlagv(p);
549 }
550
551 for (attr = 1; attr < VERT_ATTRIB_MAX; attr++)
552 {
553 if (array->a[attr].enabled)
554 {
555 crPackVertexAttrib(array, attr, index);
556 }
557 }
558
559 if (array->a[VERT_ATTRIB_POS].enabled)
560 {
561 crPackVertexAttrib(array, 0, index);
562 }
563 else if (array->v.enabled)
564 {
565 p = array->v.p + index * array->v.stride;
566
567#ifdef CR_ARB_vertex_buffer_object
568 if (array->v.buffer && array->v.buffer->data)
569 {
570 p = (unsigned char *)(array->v.buffer->data) + (unsigned long)p;
571 }
572#endif
573 switch (array->v.type)
574 {
575 case GL_SHORT:
576 switch (c->array.v.size)
577 {
578 case 2: crPackVertex2sv((GLshort *)p); break;
579 case 3: crPackVertex3sv((GLshort *)p); break;
580 case 4: crPackVertex4sv((GLshort *)p); break;
581 }
582 break;
583 case GL_INT:
584 switch (c->array.v.size)
585 {
586 case 2: crPackVertex2iv((GLint *)p); break;
587 case 3: crPackVertex3iv((GLint *)p); break;
588 case 4: crPackVertex4iv((GLint *)p); break;
589 }
590 break;
591 case GL_FLOAT:
592 switch (c->array.v.size)
593 {
594 case 2: crPackVertex2fv((GLfloat *)p); break;
595 case 3: crPackVertex3fv((GLfloat *)p); break;
596 case 4: crPackVertex4fv((GLfloat *)p); break;
597 }
598 break;
599 case GL_DOUBLE:
600 switch (c->array.v.size)
601 {
602 case 2: crPackVertex2dv((GLdouble *)p); break;
603 case 3: crPackVertex3dv((GLdouble *)p); break;
604 case 4: crPackVertex4dv((GLdouble *)p); break;
605 }
606 break;
607 default:
608 crWarning("Unhandled: crPackExpandArrayElement, array->v.type 0x%x", array->v.type);
609 }
610 }
611}
612
613
614void
615crPackExpandDrawArrays(GLenum mode, GLint first, GLsizei count, CRClientState *c)
616{
617 int i;
618
619 if (count < 0)
620 {
621 __PackError(__LINE__, __FILE__, GL_INVALID_VALUE, "crPackDrawArrays(negative count)");
622 return;
623 }
624
625 if (mode > GL_POLYGON)
626 {
627 __PackError(__LINE__, __FILE__, GL_INVALID_ENUM, "crPackDrawArrays(bad mode)");
628 return;
629 }
630
631 crPackBegin(mode);
632 for (i=0; i<count; i++)
633 {
634 crPackExpandArrayElement(first + i, c);
635 }
636 crPackEnd();
637}
638
639static GLsizei crPackElementsIndexSize(GLenum type)
640{
641 switch (type)
642 {
643 case GL_UNSIGNED_BYTE:
644 return sizeof(GLubyte);
645 case GL_UNSIGNED_SHORT:
646 return sizeof(GLushort);
647 case GL_UNSIGNED_INT:
648 return sizeof(GLuint);
649 default:
650 crError("Unknown type 0x%x in crPackElementsIndexSize", type);
651 return 0;
652 }
653}
654
655void PACK_APIENTRY
656crPackDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices)
657{
658 unsigned char *data_ptr, *start_ptr;
659 int packet_length = sizeof(int) + sizeof(mode) + sizeof(count) + sizeof(type) + sizeof(GLuint);
660 GLsizei indexsize;
661#ifdef CR_ARB_vertex_buffer_object
662 CRBufferObject *elementsBuffer = crStateGetCurrent()->bufferobject.elementsBuffer;
663 packet_length += sizeof(GLint);
664 if (elementsBuffer && elementsBuffer->name)
665 {
666 /*@todo not sure it's possible, and not sure what to do*/
667 if (!elementsBuffer->data)
668 {
669 crWarning("crPackDrawElements: trying to use bound but empty elements buffer, ignoring.");
670 return;
671 }
672 indexsize = 0;
673 }
674 else
675#endif
676 {
677 indexsize = crPackElementsIndexSize(type);
678 }
679
680 packet_length += count * indexsize;
681
682 start_ptr = data_ptr = (unsigned char *) crPackAlloc(packet_length);
683 WRITE_DATA_AI(GLenum, CR_DRAWELEMENTS_EXTEND_OPCODE );
684 WRITE_DATA_AI(GLenum, mode );
685 WRITE_DATA_AI(GLsizei, count);
686 WRITE_DATA_AI(GLenum, type);
687 WRITE_DATA_AI(GLuint, (GLuint) indices );
688#ifdef CR_ARB_vertex_buffer_object
689 WRITE_DATA_AI(GLint, (GLint)(indexsize>0));
690#endif
691 if (indexsize>0)
692 {
693 crMemcpy(data_ptr, indices, count * indexsize);
694 }
695 crHugePacket(CR_EXTEND_OPCODE, start_ptr);
696 crPackFree(start_ptr);
697}
698
699void PACK_APIENTRY
700crPackDrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
701 GLenum type, const GLvoid *indices)
702{
703 unsigned char *data_ptr, *start_ptr;
704 int packet_length = sizeof(int) + sizeof(mode) + sizeof(start)
705 + sizeof(end) + sizeof(count) + sizeof(type) + sizeof(GLuint);
706 GLsizei indexsize;
707
708#ifdef CR_ARB_vertex_buffer_object
709 CRBufferObject *elementsBuffer = crStateGetCurrent()->bufferobject.elementsBuffer;
710 packet_length += sizeof(GLint);
711 if (elementsBuffer && elementsBuffer->name)
712 {
713 /*@todo not sure it's possible, and not sure what to do*/
714 if (!elementsBuffer->data)
715 {
716 crWarning("crPackDrawElements: trying to use bound but empty elements buffer, ignoring.");
717 return;
718 }
719 indexsize = 0;
720 }
721 else
722#endif
723 {
724 indexsize = crPackElementsIndexSize(type);
725 }
726
727 packet_length += count * indexsize;
728
729 start_ptr = data_ptr = (unsigned char *) crPackAlloc(packet_length);
730 WRITE_DATA_AI(GLenum, CR_DRAWRANGEELEMENTS_EXTEND_OPCODE);
731 WRITE_DATA_AI(GLenum, mode);
732 WRITE_DATA_AI(GLuint, start);
733 WRITE_DATA_AI(GLuint, end);
734 WRITE_DATA_AI(GLsizei, count);
735 WRITE_DATA_AI(GLenum, type);
736 WRITE_DATA_AI(GLuint, (GLuint) indices);
737#ifdef CR_ARB_vertex_buffer_object
738 WRITE_DATA_AI(GLint, (GLint) (indexsize>0));
739#endif
740 if (indexsize>0)
741 {
742 crMemcpy(data_ptr, indices, count * indexsize);
743 }
744 crHugePacket(CR_EXTEND_OPCODE, start_ptr);
745 crPackFree(start_ptr);
746}
747
748
749/**
750 * Expand glDrawElements into crPackBegin/Vertex/End, etc commands.
751 * Note: if mode==999, don't call glBegin/glEnd.
752 */
753void
754crPackExpandDrawElements(GLenum mode, GLsizei count, GLenum type,
755 const GLvoid *indices, CRClientState *c)
756{
757 int i;
758 GLubyte *p = (GLubyte *)indices;
759#ifdef CR_ARB_vertex_buffer_object
760 CRBufferObject *elementsBuffer = crStateGetCurrent()->bufferobject.elementsBuffer;
761#endif
762
763 if (count < 0)
764 {
765 __PackError(__LINE__, __FILE__, GL_INVALID_VALUE,
766 "crPackDrawElements(negative count)");
767 return;
768 }
769
770 if (mode > GL_POLYGON && mode != 999)
771 {
772 __PackError(__LINE__, __FILE__, GL_INVALID_ENUM,
773 "crPackDrawElements(bad mode)");
774 return;
775 }
776
777 if (type != GL_UNSIGNED_BYTE &&
778 type != GL_UNSIGNED_SHORT &&
779 type != GL_UNSIGNED_INT)
780 {
781 __PackError(__LINE__, __FILE__, GL_INVALID_ENUM,
782 "crPackDrawElements(bad type)");
783 return;
784 }
785
786#ifdef CR_ARB_vertex_buffer_object
787 if (elementsBuffer && elementsBuffer->data)
788 {
789 p = (unsigned char *)(elementsBuffer->data) + (unsigned long)p;
790 }
791#endif
792
793 if (mode != 999)
794 crPackBegin(mode);
795
796 //crDebug("crPackExpandDrawElements mode:0x%x, count:%d, type:0x%x", mode, count, type);
797
798 switch (type)
799 {
800 case GL_UNSIGNED_BYTE:
801 for (i=0; i<count; i++)
802 {
803 crPackExpandArrayElement((GLint) *p++, c);
804 }
805 break;
806 case GL_UNSIGNED_SHORT:
807 for (i=0; i<count; i++)
808 {
809 crPackExpandArrayElement((GLint) * (GLushort *) p, c);
810 p+=sizeof (GLushort);
811 }
812 break;
813 case GL_UNSIGNED_INT:
814 for (i=0; i<count; i++)
815 {
816 crPackExpandArrayElement((GLint) * (GLuint *) p, c);
817 p+=sizeof (GLuint);
818 }
819 break;
820 default:
821 crError( "this can't happen: array_spu.self.DrawElements" );
822 break;
823 }
824
825 if (mode != 999)
826 crPackEnd();
827}
828
829
830/**
831 * Convert a glDrawElements command into a sequence of ArrayElement() calls.
832 * NOTE: Caller must issue the glBegin/glEnd.
833 */
834void
835crPackUnrollDrawElements(GLsizei count, GLenum type,
836 const GLvoid *indices)
837{
838 int i;
839
840 switch (type) {
841 case GL_UNSIGNED_BYTE:
842 {
843 const GLubyte *p = (const GLubyte *) indices;
844 for (i = 0; i < count; i++)
845 crPackArrayElement(p[i]);
846 }
847 break;
848 case GL_UNSIGNED_SHORT:
849 {
850 const GLushort *p = (const GLushort *) indices;
851 for (i = 0; i < count; i++)
852 crPackArrayElement(p[i]);
853 }
854 break;
855 case GL_UNSIGNED_INT:
856 {
857 const GLuint *p = (const GLuint *) indices;
858 for (i = 0; i < count; i++)
859 crPackArrayElement(p[i]);
860 }
861 break;
862 default:
863 __PackError(__LINE__, __FILE__, GL_INVALID_ENUM,
864 "crPackUnrollDrawElements(bad type)");
865 }
866}
867
868
869
870/*
871 * glDrawRangeElements, expanded into crPackBegin/Vertex/End/etc.
872 */
873void
874crPackExpandDrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices, CRClientState *c)
875{
876 if (start>end)
877 {
878 crWarning("crPackExpandDrawRangeElements start>end (%d>%d)", start, end);
879 return;
880 }
881
882 crPackExpandDrawElements(mode, count, type, indices, c);
883}
884
885
886#ifdef CR_EXT_multi_draw_arrays
887/*
888 * Pack real DrawArrays commands.
889 */
890void PACK_APIENTRY
891crPackMultiDrawArraysEXT( GLenum mode, GLint *first, GLsizei *count,
892 GLsizei primcount )
893{
894 GLint i;
895 for (i = 0; i < primcount; i++) {
896 if (count[i] > 0) {
897 crPackDrawArrays(mode, first[i], count[i]);
898 }
899 }
900}
901
902
903/*
904 * Pack with crPackBegin/Vertex/End/etc.
905 */
906void
907crPackExpandMultiDrawArraysEXT( GLenum mode, GLint *first, GLsizei *count,
908 GLsizei primcount, CRClientState *c )
909{
910 GLint i;
911 for (i = 0; i < primcount; i++) {
912 if (count[i] > 0) {
913 crPackExpandDrawArrays(mode, first[i], count[i], c);
914 }
915 }
916}
917
918
919/*
920 * Pack real DrawElements commands.
921 */
922void PACK_APIENTRY
923crPackMultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
924 const GLvoid **indices, GLsizei primcount )
925{
926 GLint i;
927 for (i = 0; i < primcount; i++) {
928 if (count[i] > 0) {
929 crPackDrawElements(mode, count[i], type, indices[i]);
930 }
931 }
932}
933
934
935/*
936 * Pack with crPackBegin/Vertex/End/etc.
937 */
938void
939crPackExpandMultiDrawElementsEXT( GLenum mode, const GLsizei *count,
940 GLenum type, const GLvoid **indices,
941 GLsizei primcount, CRClientState *c )
942{
943 GLint i;
944 for (i = 0; i < primcount; i++) {
945 if (count[i] > 0) {
946 crPackExpandDrawElements(mode, count[i], type, indices[i], c);
947 }
948 }
949}
950#endif /* CR_EXT_multi_draw_arrays */
951
952static int crPack_GetNumEnabledArrays(CRClientState *c, int *size)
953{
954 int i, count=0;
955
956 *size = 0;
957
958 if (c->array.v.enabled)
959 {
960 count++;
961 *size += c->array.v.bytesPerIndex;
962 }
963
964 if (c->array.c.enabled)
965 {
966 count++;
967 *size += c->array.c.bytesPerIndex;
968 }
969
970 if (c->array.f.enabled)
971 {
972 count++;
973 *size += c->array.f.bytesPerIndex;
974 }
975
976 if (c->array.s.enabled)
977 {
978 count++;
979 *size += c->array.s.bytesPerIndex;
980 }
981
982 if (c->array.e.enabled)
983 {
984 count++;
985 *size += c->array.e.bytesPerIndex;
986 }
987
988 if (c->array.i.enabled)
989 {
990 count++;
991 *size += c->array.i.bytesPerIndex;
992 }
993
994 if (c->array.n.enabled)
995 {
996 count++;
997 *size += c->array.n.bytesPerIndex;
998 }
999
1000 for (i = 0 ; i < CR_MAX_TEXTURE_UNITS ; i++)
1001 {
1002 if (c->array.t[i].enabled)
1003 {
1004 count++;
1005 *size += c->array.t[i].bytesPerIndex;
1006 }
1007 }
1008
1009 for (i = 0; i < CR_MAX_VERTEX_ATTRIBS; i++)
1010 {
1011 if (c->array.a[i].enabled)
1012 {
1013 count++;
1014 *size += c->array.a[i].bytesPerIndex;
1015 }
1016 }
1017
1018 return count;
1019}
1020
1021static void crPackLockClientPointer(GLint first, GLint count, unsigned char **ppData, int index, CRClientState *c)
1022{
1023 CRClientPointer *cp;
1024 unsigned char *data_ptr = *ppData, *cptr;
1025 GLint i;
1026
1027 cp = crStateGetClientPointerByIndex(index, &c->array);
1028
1029 if (cp->enabled)
1030 {
1031 if (cp->buffer && cp->buffer->name)
1032 {
1033 crWarning("crPackLockClientPointer called when there's VBO enabled!");
1034 }
1035
1036 WRITE_DATA_AI(int, index);
1037 cptr = cp->p + first*cp->bytesPerIndex;
1038 if (cp->bytesPerIndex==cp->stride)
1039 {
1040 crMemcpy(data_ptr, cptr, count*cp->bytesPerIndex);
1041 data_ptr += count*cp->bytesPerIndex;
1042 }
1043 else
1044 {
1045 for (i=0; i<count; ++i)
1046 {
1047 crMemcpy(data_ptr, cptr, cp->bytesPerIndex);
1048 data_ptr += cp->bytesPerIndex;
1049 cptr += cp->stride;
1050 }
1051 }
1052 *ppData = data_ptr;
1053 }
1054}
1055
1056void PACK_APIENTRY crPackLockArraysEXT(GLint first, GLint count)
1057{
1058 CRContext *g = crStateGetCurrent();
1059 CRClientState *c = &g->client;
1060 unsigned char *data_ptr, *start_ptr;
1061 int packet_length = sizeof(int); /*extopcode*/
1062 int vertex_size, i, numenabled;
1063
1064 packet_length += sizeof(first) + sizeof(count); /*params*/
1065 numenabled = crPack_GetNumEnabledArrays(c, &vertex_size);
1066 packet_length += sizeof(int) + numenabled*sizeof(int); /*numenabled + indices*/
1067 packet_length += vertex_size * count; /*vertices data*/
1068
1069 start_ptr = data_ptr = (unsigned char *) crPackAlloc(packet_length);
1070 WRITE_DATA_AI(GLenum, CR_LOCKARRAYSEXT_EXTEND_OPCODE );
1071 WRITE_DATA_AI(GLint, first);
1072 WRITE_DATA_AI(GLint, count);
1073 WRITE_DATA_AI(int, numenabled);
1074 for (i=0; i<CRSTATECLIENT_MAX_VERTEXARRAYS; ++i)
1075 {
1076 crPackLockClientPointer(first, count, &data_ptr, i, c);
1077 }
1078 crHugePacket(CR_EXTEND_OPCODE, start_ptr);
1079 crPackFree(start_ptr);
1080}
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