pack_texture.c@ 18171

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crOpenGL: export to OSE
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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_pixeldata.h"
9	#include "cr_error.h"
10	#include "cr_string.h"
11	#include "cr_version.h"
12
13	void PACK_APIENTRY
14	crPackTexImage1D(GLenum target, GLint level,
15	GLint internalformat, GLsizei width, GLint border,
16	GLenum format, GLenum type, const GLvoid * pixels,
17	const CRPixelPackState * unpackstate)
18	{
19	unsigned char *data_ptr;
20	int packet_length;
21	int isnull = (pixels == NULL);
22
23	packet_length =
24	sizeof(target) +
25	sizeof(level) +
26	sizeof(internalformat) +
27	sizeof(width) +
28	sizeof(border) + sizeof(format) + sizeof(type) + sizeof(int);
29
30	if (pixels)
31	{
32	packet_length += crImageSize(format, type, width, 1);
33	}
34
35	data_ptr = (unsigned char *) crPackAlloc(packet_length);
36	WRITE_DATA(0, GLenum, target);
37	WRITE_DATA(4, GLint, level);
38	WRITE_DATA(8, GLint, internalformat);
39	WRITE_DATA(12, GLsizei, width);
40	WRITE_DATA(16, GLint, border);
41	WRITE_DATA(20, GLenum, format);
42	WRITE_DATA(24, GLenum, type);
43	WRITE_DATA(28, int, isnull);
44
45	if (pixels)
46	{
47	crPixelCopy1D((void *) (data_ptr + 32), format, type,
48	pixels, format, type, width, unpackstate);
49	}
50
51	crHugePacket(CR_TEXIMAGE1D_OPCODE, data_ptr);
52	crPackFree( data_ptr );
53	}
54
55	void PACK_APIENTRY
56	crPackTexImage2D(GLenum target, GLint level,
57	GLint internalformat, GLsizei width, GLsizei height,
58	GLint border, GLenum format, GLenum type,
59	const GLvoid * pixels, const CRPixelPackState * unpackstate)
60	{
61	unsigned char *data_ptr;
62	int packet_length;
63	const int isnull = (pixels == NULL);
64	const int is_distrib = ((type == GL_TRUE) \|\| (type == GL_FALSE));
65	int distrib_buf_len = 0;
66
67	packet_length =
68	sizeof(target) +
69	sizeof(level) +
70	sizeof(internalformat) +
71	sizeof(width) +
72	sizeof(height) +
73	sizeof(border) + sizeof(format) + sizeof(type) + sizeof(int);
74
75	if (pixels)
76	{
77	if (is_distrib)
78	{
79	/* Pixels is a zero-terminated filename, followed by the usual image
80	* data if type == GL_TRUE.
81	* Also note that the image data can't have any unusual pixel packing
82	* parameters.
83	*/
84	CRASSERT(format == GL_RGB);
85	distrib_buf_len = crStrlen(pixels) + 1 +
86	((type == GL_TRUE) ? width * height * 3 : 0);
87	packet_length += distrib_buf_len;
88	}
89	else
90	{
91	packet_length += crImageSize(format, type, width, height);
92	}
93	}
94
95	data_ptr = (unsigned char *) crPackAlloc(packet_length);
96	WRITE_DATA(0, GLenum, target);
97	WRITE_DATA(4, GLint, level);
98	WRITE_DATA(8, GLint, internalformat);
99	WRITE_DATA(12, GLsizei, width);
100	WRITE_DATA(16, GLsizei, height);
101	WRITE_DATA(20, GLint, border);
102	WRITE_DATA(24, GLenum, format);
103	WRITE_DATA(28, GLenum, type);
104	WRITE_DATA(32, int, isnull);
105
106	if (pixels)
107	{
108	if (is_distrib)
109	{
110	crMemcpy((void *) (data_ptr + 36), pixels, distrib_buf_len);
111	}
112	else
113	{
114	crPixelCopy2D(width, height,
115	(void ) (data_ptr + 36), / dest image addr */
116	format, type, /* dest image format/type */
117	NULL, /* dst packing (use default params) */
118	pixels, /* src image addr */
119	format, type, /* src image format/type */
120	unpackstate); /* src packing */
121	}
122	}
123
124	crHugePacket(CR_TEXIMAGE2D_OPCODE, data_ptr);
125	crPackFree( data_ptr );
126	}
127
128	#if defined( GL_EXT_texture3D )
129	void PACK_APIENTRY crPackTexImage3DEXT(GLenum target, GLint level,
130	GLenum internalformat,
131	GLsizei width, GLsizei height, GLsizei depth, GLint border,
132	GLenum format, GLenum type, const GLvoid *pixels,
133	const CRPixelPackState *unpackstate )
134	{
135	unsigned char *data_ptr;
136	int packet_length;
137	int isnull = (pixels == NULL);
138	int is_distrib = ( (type == GL_TRUE) \|\| (type == GL_FALSE) ) ;
139	int distrib_buf_len = 0;
140	int tex_size = 0;
141
142	packet_length =
143	sizeof( target ) +
144	sizeof( level ) +
145	sizeof( internalformat ) +
146	sizeof( width ) +
147	sizeof( height ) +
148	sizeof( depth ) +
149	sizeof( border ) +
150	sizeof( format ) +
151	sizeof( type ) +
152	sizeof( int );
153
154	if (pixels)
155	{
156	if ( is_distrib )
157	{
158	distrib_buf_len = crStrlen( pixels ) + 1 +
159	( (type == GL_TRUE) ? widthheight3 : 0 ) ;
160	packet_length += distrib_buf_len ;
161	}
162	else
163	{
164	tex_size = crTextureSize( format, type, width, height, depth );
165	packet_length += tex_size;
166	}
167	}
168
169	data_ptr = (unsigned char *) crPackAlloc( packet_length );
170	WRITE_DATA( 0, GLenum, target );
171	WRITE_DATA( 4, GLint, level );
172	WRITE_DATA( 8, GLint, internalformat );
173	WRITE_DATA( 12, GLsizei, width );
174	WRITE_DATA( 16, GLsizei, height );
175	WRITE_DATA( 20, GLsizei, depth );
176	WRITE_DATA( 24, GLint, border );
177	WRITE_DATA( 28, GLenum, format );
178	WRITE_DATA( 32, GLenum, type );
179	WRITE_DATA( 36, int, isnull );
180
181	if (pixels)
182	{
183	if ( is_distrib )
184	{
185	crMemcpy( (void*)(data_ptr + 40), pixels, distrib_buf_len ) ;
186	}
187	else
188	{
189	crPixelCopy3D( width, height, depth,
190	(void *)(data_ptr + 40), format, type, NULL,
191	pixels, format, type, unpackstate );
192	}
193	}
194
195	crHugePacket( CR_TEXIMAGE3DEXT_OPCODE, data_ptr );
196	crPackFree( data_ptr );
197	}
198	#endif /* GL_EXT_texture3D */
199
200	#ifdef CR_OPENGL_VERSION_1_2
201	void PACK_APIENTRY crPackTexImage3D(GLenum target, GLint level,
202	GLint internalformat,
203	GLsizei width, GLsizei height,
204	GLsizei depth, GLint border,
205	GLenum format, GLenum type,
206	const GLvoid *pixels,
207	const CRPixelPackState *unpackstate )
208	{
209	unsigned char *data_ptr;
210	int packet_length;
211	int isnull = (pixels == NULL);
212	int is_distrib = ( (type == GL_TRUE) \|\| (type == GL_FALSE) ) ;
213	int distrib_buf_len = 0;
214	int tex_size = 0;
215
216	packet_length =
217	sizeof( target ) +
218	sizeof( level ) +
219	sizeof( internalformat ) +
220	sizeof( width ) +
221	sizeof( height ) +
222	sizeof( depth ) +
223	sizeof( border ) +
224	sizeof( format ) +
225	sizeof( type ) +
226	sizeof( int );
227
228	if (pixels)
229	{
230	if ( is_distrib )
231	{
232	distrib_buf_len = crStrlen( pixels ) + 1 +
233	( (type == GL_TRUE) ? widthheight3 : 0 ) ;
234	packet_length += distrib_buf_len ;
235	}
236	else
237	{
238	tex_size = crTextureSize( format, type, width, height, depth );
239	packet_length += tex_size;
240	}
241	}
242
243	data_ptr = (unsigned char *) crPackAlloc( packet_length );
244	WRITE_DATA( 0, GLenum, target );
245	WRITE_DATA( 4, GLint, level );
246	WRITE_DATA( 8, GLint, internalformat );
247	WRITE_DATA( 12, GLsizei, width );
248	WRITE_DATA( 16, GLsizei, height );
249	WRITE_DATA( 20, GLsizei, depth );
250	WRITE_DATA( 24, GLint, border );
251	WRITE_DATA( 28, GLenum, format );
252	WRITE_DATA( 32, GLenum, type );
253	WRITE_DATA( 36, int, isnull );
254
255	if (pixels)
256	{
257	if ( is_distrib )
258	{
259	crMemcpy( (void*)(data_ptr + 40), pixels, distrib_buf_len ) ;
260	}
261	else
262	{
263	crPixelCopy3D( width, height, depth,
264	(void *)(data_ptr + 40), format, type, NULL,
265	pixels, format, type, unpackstate );
266	}
267	}
268
269	crHugePacket( CR_TEXIMAGE3D_OPCODE, data_ptr );
270	crPackFree( data_ptr );
271	}
272	#endif /* CR_OPENGL_VERSION_1_2 */
273
274
275	void PACK_APIENTRY
276	crPackDeleteTextures(GLsizei n, const GLuint * textures)
277	{
278	unsigned char *data_ptr;
279	int packet_length =
280	sizeof( n ) +
281	n * sizeof( *textures );
282
283	data_ptr = (unsigned char *) crPackAlloc(packet_length);
284	WRITE_DATA(0, GLsizei, n);
285	crMemcpy(data_ptr + 4, textures, n * sizeof(*textures));
286	crHugePacket(CR_DELETETEXTURES_OPCODE, data_ptr);
287	crPackFree( data_ptr );
288	}
289
290	static void
291	__handleTexEnvData(GLenum target, GLenum pname, const GLfloat * params)
292	{
293	GET_PACKER_CONTEXT(pc);
294	unsigned char *data_ptr;
295	int params_length;
296
297	int packet_length =
298	sizeof( int ) +
299	sizeof( target ) +
300	sizeof( pname );
301
302	if (pname == GL_TEXTURE_ENV_COLOR)
303	{
304	params_length = 4 * sizeof(*params);
305	}
306	else
307	{
308	params_length = sizeof(*params);
309	}
310
311	packet_length += params_length;
312
313	GET_BUFFERED_POINTER(pc, packet_length);
314	WRITE_DATA(0, int, packet_length);
315	WRITE_DATA(sizeof(int) + 0, GLenum, target);
316	WRITE_DATA(sizeof(int) + 4, GLenum, pname);
317	crMemcpy(data_ptr + sizeof(int) + 8, params, params_length);
318	}
319
320
321	void PACK_APIENTRY
322	crPackTexEnvfv(GLenum target, GLenum pname, const GLfloat * params)
323	{
324	GET_PACKER_CONTEXT(pc);
325	__handleTexEnvData(target, pname, params);
326	WRITE_OPCODE(pc, CR_TEXENVFV_OPCODE);
327	}
328
329	void PACK_APIENTRY
330	crPackTexEnviv(GLenum target, GLenum pname, const GLint * params)
331	{
332	/* floats and ints are the same size, so the packing should be the same */
333	GET_PACKER_CONTEXT(pc);
334	__handleTexEnvData(target, pname, (const GLfloat *) params);
335	WRITE_OPCODE(pc, CR_TEXENVIV_OPCODE);
336	}
337
338	void PACK_APIENTRY
339	crPackTexEnvf(GLenum target, GLenum pname, GLfloat param)
340	{
341	crPackTexEnvfv(target, pname, &param);
342	}
343
344	void PACK_APIENTRY
345	crPackTexEnvi(GLenum target, GLenum pname, GLint param)
346	{
347	crPackTexEnviv(target, pname, &param);
348	}
349
350	void PACK_APIENTRY
351	crPackPrioritizeTextures(GLsizei n, const GLuint * textures,
352	const GLclampf * priorities)
353	{
354	unsigned char *data_ptr;
355	int packet_length =
356	sizeof(n) +
357	n * sizeof(*textures) +
358	n * sizeof(*priorities);
359
360	data_ptr = (unsigned char *) crPackAlloc(packet_length);
361
362	WRITE_DATA(0, GLsizei, n);
363	crMemcpy(data_ptr + 4, textures, n * sizeof(*textures));
364	crMemcpy(data_ptr + 4 + n * sizeof(*textures),
365	priorities, n * sizeof(*priorities));
366
367	crHugePacket(CR_PRIORITIZETEXTURES_OPCODE, data_ptr);
368	crPackFree( data_ptr );
369	}
370
371	static void
372	__handleTexGenData(GLenum coord, GLenum pname,
373	int sizeof_param, const GLvoid * params)
374	{
375	GET_PACKER_CONTEXT(pc);
376	unsigned char *data_ptr;
377	int packet_length =
378	sizeof(int) + sizeof(coord) + sizeof(pname) + sizeof_param;
379	int params_length = sizeof_param;
380	if (pname == GL_OBJECT_PLANE \|\| pname == GL_EYE_PLANE)
381	{
382	packet_length += 3 * sizeof_param;
383	params_length += 3 * sizeof_param;
384	}
385
386	GET_BUFFERED_POINTER(pc, packet_length);
387	WRITE_DATA(0, int, packet_length);
388	WRITE_DATA(sizeof(int) + 0, GLenum, coord);
389	WRITE_DATA(sizeof(int) + 4, GLenum, pname);
390	crMemcpy(data_ptr + sizeof(int) + 8, params, params_length);
391	}
392
393	void PACK_APIENTRY
394	crPackTexGendv(GLenum coord, GLenum pname, const GLdouble * params)
395	{
396	GET_PACKER_CONTEXT(pc);
397	__handleTexGenData(coord, pname, sizeof(*params), params);
398	WRITE_OPCODE(pc, CR_TEXGENDV_OPCODE);
399	}
400
401	void PACK_APIENTRY
402	crPackTexGenfv(GLenum coord, GLenum pname, const GLfloat * params)
403	{
404	GET_PACKER_CONTEXT(pc);
405	__handleTexGenData(coord, pname, sizeof(*params), params);
406	WRITE_OPCODE(pc, CR_TEXGENFV_OPCODE);
407	}
408
409	void PACK_APIENTRY
410	crPackTexGeniv(GLenum coord, GLenum pname, const GLint * params)
411	{
412	GET_PACKER_CONTEXT(pc);
413	__handleTexGenData(coord, pname, sizeof(*params), params);
414	WRITE_OPCODE(pc, CR_TEXGENIV_OPCODE);
415	}
416
417	void PACK_APIENTRY
418	crPackTexGend(GLenum coord, GLenum pname, GLdouble param)
419	{
420	crPackTexGendv(coord, pname, &param);
421	}
422
423	void PACK_APIENTRY
424	crPackTexGenf(GLenum coord, GLenum pname, GLfloat param)
425	{
426	crPackTexGenfv(coord, pname, &param);
427	}
428
429	void PACK_APIENTRY
430	crPackTexGeni(GLenum coord, GLenum pname, GLint param)
431	{
432	crPackTexGeniv(coord, pname, &param);
433	}
434
435	static GLboolean
436	__handleTexParameterData(GLenum target, GLenum pname, const GLfloat * params)
437	{
438	GET_PACKER_CONTEXT(pc);
439	unsigned char *data_ptr;
440	int packet_length = sizeof(int) + sizeof(target) + sizeof(pname);
441	int num_params = 0;
442
443	switch (pname)
444	{
445	case GL_TEXTURE_MIN_FILTER:
446	case GL_TEXTURE_MAG_FILTER:
447	case GL_TEXTURE_WRAP_R:
448	case GL_TEXTURE_WRAP_S:
449	case GL_TEXTURE_WRAP_T:
450	#ifdef GL_TEXTURE_PRIORITY
451	case GL_TEXTURE_PRIORITY:
452	#endif
453	num_params = 1;
454	break;
455	case GL_TEXTURE_MAX_ANISOTROPY_EXT:
456	num_params = 1;
457	break;
458	case GL_TEXTURE_MIN_LOD:
459	case GL_TEXTURE_MAX_LOD:
460	case GL_TEXTURE_BASE_LEVEL:
461	case GL_TEXTURE_MAX_LEVEL:
462	num_params = 1;
463	break;
464	case GL_TEXTURE_BORDER_COLOR:
465	num_params = 4;
466	break;
467	#ifdef CR_ARB_shadow
468	case GL_TEXTURE_COMPARE_MODE_ARB:
469	case GL_TEXTURE_COMPARE_FUNC_ARB:
470	num_params = 1;
471	break;
472	#endif
473	#ifdef CR_ARB_shadow_ambient
474	case GL_TEXTURE_COMPARE_FAIL_VALUE_ARB:
475	num_params = 1;
476	break;
477	#endif
478	#ifdef CR_ARB_depth_texture
479	case GL_DEPTH_TEXTURE_MODE_ARB:
480	num_params = 1;
481	break;
482	#endif
483	#ifdef CR_SGIS_generate_mipmap
484	case GL_GENERATE_MIPMAP_SGIS:
485	num_params = 1;
486	break;
487	#endif
488	default:
489	num_params = __packTexParameterNumParams(pname);
490	if (!num_params)
491	{
492	__PackError(__LINE__, __FILE__, GL_INVALID_ENUM,
493	"crPackTexParameter(bad pname)");
494	return GL_FALSE;
495	}
496	}
497	packet_length += num_params * sizeof(*params);
498
499	GET_BUFFERED_POINTER(pc, packet_length);
500	WRITE_DATA(0, int, packet_length);
501	WRITE_DATA(sizeof(int) + 0, GLenum, target);
502	WRITE_DATA(sizeof(int) + 4, GLenum, pname);
503	crMemcpy(data_ptr + sizeof(int) + 8, params, num_params * sizeof(*params));
504	return GL_TRUE;
505	}
506
507	void PACK_APIENTRY
508	crPackTexParameterfv(GLenum target, GLenum pname, const GLfloat * params)
509	{
510	GET_PACKER_CONTEXT(pc);
511	if (__handleTexParameterData(target, pname, params))
512	WRITE_OPCODE(pc, CR_TEXPARAMETERFV_OPCODE);
513	}
514
515	void PACK_APIENTRY
516	crPackTexParameteriv(GLenum target, GLenum pname, const GLint * params)
517	{
518	GET_PACKER_CONTEXT(pc);
519	if (__handleTexParameterData(target, pname, (GLfloat *) params))
520	WRITE_OPCODE(pc, CR_TEXPARAMETERIV_OPCODE);
521	}
522
523	void PACK_APIENTRY
524	crPackTexParameterf(GLenum target, GLenum pname, GLfloat param)
525	{
526	crPackTexParameterfv(target, pname, &param);
527	}
528
529	void PACK_APIENTRY
530	crPackTexParameteri(GLenum target, GLenum pname, GLint param)
531	{
532	crPackTexParameteriv(target, pname, &param);
533	}
534
535	#ifdef CR_OPENGL_VERSION_1_2
536	void PACK_APIENTRY
537	crPackTexSubImage3D(GLenum target, GLint level,
538	GLint xoffset, GLint yoffset, GLint zoffset,
539	GLsizei width, GLsizei height, GLsizei depth,
540	GLenum format, GLenum type, const GLvoid * pixels,
541	const CRPixelPackState * unpackstate)
542	{
543	unsigned char *data_ptr;
544	int packet_length;
545
546	packet_length =
547	sizeof(target) +
548	sizeof(level) +
549	sizeof(xoffset) +
550	sizeof(yoffset) +
551	sizeof(zoffset) +
552	sizeof(width) +
553	sizeof(height) +
554	sizeof(depth) +
555	sizeof(format) +
556	sizeof(type) + crTextureSize(format, type, width, height, depth);
557
558	data_ptr = (unsigned char *) crPackAlloc(packet_length);
559	WRITE_DATA(0, GLenum, target);
560	WRITE_DATA(4, GLint, level);
561	WRITE_DATA(8, GLint, xoffset);
562	WRITE_DATA(12, GLint, yoffset);
563	WRITE_DATA(16, GLint, zoffset);
564	WRITE_DATA(20, GLsizei, width);
565	WRITE_DATA(24, GLsizei, height);
566	WRITE_DATA(28, GLsizei, depth);
567	WRITE_DATA(32, GLenum, format);
568	WRITE_DATA(36, GLenum, type);
569
570	crPixelCopy3D(width, height, depth, (GLvoid ) (data_ptr + 40), format, type, NULL, / dst */
571	pixels, format, type, unpackstate); /* src */
572
573	crHugePacket(CR_TEXSUBIMAGE3D_OPCODE, data_ptr);
574	crPackFree( data_ptr );
575	}
576	#endif /* CR_OPENGL_VERSION_1_2 */
577
578	void PACK_APIENTRY
579	crPackTexSubImage2D(GLenum target, GLint level,
580	GLint xoffset, GLint yoffset, GLsizei width,
581	GLsizei height, GLenum format, GLenum type,
582	const GLvoid * pixels,
583	const CRPixelPackState * unpackstate)
584	{
585	unsigned char *data_ptr;
586	int packet_length;
587
588	packet_length =
589	sizeof(target) +
590	sizeof(level) +
591	sizeof(xoffset) +
592	sizeof(yoffset) +
593	sizeof(width) +
594	sizeof(height) +
595	sizeof(format) + sizeof(type) + crImageSize(format, type, width, height);
596
597	data_ptr = (unsigned char *) crPackAlloc(packet_length);
598	WRITE_DATA(0, GLenum, target);
599	WRITE_DATA(4, GLint, level);
600	WRITE_DATA(8, GLint, xoffset);
601	WRITE_DATA(12, GLint, yoffset);
602	WRITE_DATA(16, GLsizei, width);
603	WRITE_DATA(20, GLsizei, height);
604	WRITE_DATA(24, GLenum, format);
605	WRITE_DATA(28, GLenum, type);
606
607	crPixelCopy2D(width, height, (GLvoid ) (data_ptr + 32), format, type, NULL, / dst */
608	pixels, format, type, unpackstate); /* src */
609
610	crHugePacket(CR_TEXSUBIMAGE2D_OPCODE, data_ptr);
611	crPackFree( data_ptr );
612	}
613
614	void PACK_APIENTRY
615	crPackTexSubImage1D(GLenum target, GLint level,
616	GLint xoffset, GLsizei width, GLenum format, GLenum type,
617	const GLvoid * pixels,
618	const CRPixelPackState * unpackstate)
619	{
620	unsigned char *data_ptr;
621	int packet_length;
622
623	packet_length =
624	sizeof(target) +
625	sizeof(level) +
626	sizeof(xoffset) +
627	sizeof(width) +
628	sizeof(format) + sizeof(type) + crImageSize(format, type, width, 1);
629
630	data_ptr = (unsigned char *) crPackAlloc(packet_length);
631	WRITE_DATA(0, GLenum, target);
632	WRITE_DATA(4, GLint, level);
633	WRITE_DATA(8, GLint, xoffset);
634	WRITE_DATA(12, GLsizei, width);
635	WRITE_DATA(16, GLenum, format);
636	WRITE_DATA(20, GLenum, type);
637
638	crPixelCopy1D((GLvoid *) (data_ptr + 24), format, type,
639	pixels, format, type, width, unpackstate);
640
641	crHugePacket(CR_TEXSUBIMAGE1D_OPCODE, data_ptr);
642	crPackFree( data_ptr );
643	}
644
645	void PACK_APIENTRY
646	crPackAreTexturesResident(GLsizei n, const GLuint * textures,
647	GLboolean * residences, GLboolean * return_val,
648	int *writeback)
649	{
650	GET_PACKER_CONTEXT(pc);
651	unsigned char *data_ptr;
652	int packet_length;
653
654	(void) return_val; /* Caller must compute this from residences!!! */
655
656	packet_length = sizeof(int) + /* packet length */
657	sizeof(GLenum) + /* extend-o opcode */
658	sizeof(n) + /* num_textures */
659	n * sizeof(textures) + / textures */
660	8 + 8;
661
662	GET_BUFFERED_POINTER(pc, packet_length);
663	WRITE_DATA(0, int, packet_length);
664	WRITE_DATA(4, GLenum, CR_ARETEXTURESRESIDENT_EXTEND_OPCODE);
665	WRITE_DATA(8, GLsizei, n);
666	crMemcpy(data_ptr + 12, textures, n * sizeof(*textures));
667	WRITE_NETWORK_POINTER(12 + n * sizeof(textures), (void ) residences);
668	WRITE_NETWORK_POINTER(20 + n * sizeof(textures), (void ) writeback);
669	WRITE_OPCODE(pc, CR_EXTEND_OPCODE);
670	}
671
672
673	/**********************************************************************
674	* Texture compression
675	*/
676
677	void PACK_APIENTRY crPackCompressedTexImage1DARB( GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imagesize, const GLvoid *data )
678	{
679	unsigned char *data_ptr;
680	int packet_length;
681	int isnull = (data == NULL);
682
683	/* All extended opcodes have their first 8 bytes predefined:
684	* the first four indicate the packet size, and the next four
685	* indicate the actual extended opcode.
686	*/
687	packet_length =
688	sizeof( GLenum) + /* extended opcode */
689	sizeof( target ) +
690	sizeof( level ) +
691	sizeof( internalformat ) +
692	sizeof( width ) +
693	sizeof( border ) +
694	sizeof( imagesize ) +
695	sizeof( int ); /* isnull */
696
697	if (data)
698	{
699	packet_length += imagesize;
700	}
701
702
703	data_ptr = (unsigned char *) crPackAlloc( packet_length );
704	WRITE_DATA( 0, GLenum, CR_COMPRESSEDTEXIMAGE1DARB_EXTEND_OPCODE );
705	WRITE_DATA( 4, GLenum, target );
706	WRITE_DATA( 8, GLint, level );
707	WRITE_DATA( 12, GLint, internalformat );
708	WRITE_DATA( 16, GLsizei, width );
709	WRITE_DATA( 20, GLint, border );
710	WRITE_DATA( 24, GLsizei, imagesize );
711	WRITE_DATA( 28, int, isnull );
712
713	if (data) {
714	crMemcpy( (void )(data_ptr + 32), (void )data, imagesize);
715	}
716
717	crHugePacket( CR_EXTEND_OPCODE, data_ptr );
718	crPackFree( data_ptr );
719	}
720
721	void PACK_APIENTRY crPackCompressedTexImage2DARB( GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imagesize, const GLvoid *data )
722	{
723	unsigned char *data_ptr;
724	int packet_length;
725	int isnull = (data == NULL);
726
727	/* All extended opcodes have their first 8 bytes predefined:
728	* the first four indicate the packet size, and the next four
729	* indicate the actual extended opcode.
730	*/
731	packet_length =
732	sizeof( GLenum) + /* extended opcode */
733	sizeof( target ) +
734	sizeof( level ) +
735	sizeof( internalformat ) +
736	sizeof( width ) +
737	sizeof( height ) +
738	sizeof( border ) +
739	sizeof( imagesize ) +
740	sizeof( int ); /* isnull */
741
742	if (data)
743	{
744	packet_length += imagesize;
745	}
746
747	//crDebug( "Compressing that shit: %d", level );
748
749	data_ptr = (unsigned char *) crPackAlloc( packet_length );
750	WRITE_DATA( 0, GLenum, CR_COMPRESSEDTEXIMAGE2DARB_EXTEND_OPCODE );
751	WRITE_DATA( 4, GLenum, target );
752	WRITE_DATA( 8, GLint, level );
753	WRITE_DATA( 12, GLint, internalformat );
754	WRITE_DATA( 16, GLsizei, width );
755	WRITE_DATA( 20, GLsizei, height );
756	WRITE_DATA( 24, GLint, border );
757	WRITE_DATA( 28, GLsizei, imagesize );
758	WRITE_DATA( 32, int, isnull );
759
760	if (data) {
761	crMemcpy( (void )(data_ptr + 36), (void )data, imagesize);
762	}
763
764	crHugePacket( CR_EXTEND_OPCODE, data_ptr );
765	crPackFree( data_ptr );
766	}
767
768	void PACK_APIENTRY crPackCompressedTexImage3DARB( GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imagesize, const GLvoid *data )
769	{
770	unsigned char *data_ptr;
771	int packet_length;
772	int isnull = (data == NULL);
773
774	/* All extended opcodes have their first 8 bytes predefined:
775	* the first four indicate the packet size, and the next four
776	* indicate the actual extended opcode.
777	*/
778	packet_length =
779	sizeof( GLenum) + /* extended opcode */
780	sizeof( target ) +
781	sizeof( level ) +
782	sizeof( internalformat ) +
783	sizeof( width ) +
784	sizeof( height ) +
785	sizeof( depth ) +
786	sizeof( border ) +
787	sizeof( imagesize ) +
788	sizeof( int ); /* isnull */
789
790	if (data)
791	{
792	packet_length += imagesize;
793	}
794
795	data_ptr = (unsigned char *) crPackAlloc( packet_length );
796	WRITE_DATA( 0, GLenum, CR_COMPRESSEDTEXIMAGE3DARB_EXTEND_OPCODE );
797	WRITE_DATA( 4, GLenum, target );
798	WRITE_DATA( 8, GLint, level );
799	WRITE_DATA( 12, GLint, internalformat );
800	WRITE_DATA( 16, GLsizei, width );
801	WRITE_DATA( 20, GLsizei, height );
802	WRITE_DATA( 24, GLsizei, depth );
803	WRITE_DATA( 28, GLint, border );
804	WRITE_DATA( 32, GLsizei, imagesize );
805	WRITE_DATA( 36, int, isnull );
806
807	if (data) {
808	crMemcpy( (void )(data_ptr + 40), (void )data, imagesize);
809	}
810
811	crHugePacket( CR_EXTEND_OPCODE, data_ptr );
812	crPackFree( data_ptr );
813	}
814
815	void PACK_APIENTRY crPackCompressedTexSubImage1DARB( GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imagesize, const GLvoid *data )
816	{
817	unsigned char *data_ptr;
818	int packet_length;
819	int isnull = (data == NULL);
820
821	/* All extended opcodes have their first 8 bytes predefined:
822	* the first four indicate the packet size, and the next four
823	* indicate the actual extended opcode.
824	*/
825	packet_length =
826	sizeof( GLenum) + /* extended opcode */
827	sizeof( target ) +
828	sizeof( level ) +
829	sizeof( xoffset ) +
830	sizeof( width ) +
831	sizeof( format ) +
832	sizeof( imagesize ) +
833	sizeof( int ); /* isnull */
834
835	if (data)
836	{
837	packet_length += imagesize;
838	}
839
840	data_ptr = (unsigned char *) crPackAlloc( packet_length );
841	WRITE_DATA( 0, GLenum, CR_COMPRESSEDTEXSUBIMAGE1DARB_EXTEND_OPCODE );
842	WRITE_DATA( 4, GLenum, target );
843	WRITE_DATA( 8, GLint, level );
844	WRITE_DATA( 12, GLint, xoffset );
845	WRITE_DATA( 16, GLsizei, width );
846	WRITE_DATA( 20, GLenum, format );
847	WRITE_DATA( 24, GLsizei, imagesize );
848	WRITE_DATA( 28, int, isnull );
849
850	if (data) {
851	crMemcpy( (void )(data_ptr + 32), (void )data, imagesize);
852	}
853
854	crHugePacket( CR_EXTEND_OPCODE, data_ptr );
855	crPackFree( data_ptr );
856	}
857
858	void PACK_APIENTRY crPackCompressedTexSubImage2DARB( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imagesize, const GLvoid *data )
859	{
860	unsigned char *data_ptr;
861	int packet_length;
862	int isnull = (data == NULL);
863
864	/* All extended opcodes have their first 8 bytes predefined:
865	* the first four indicate the packet size, and the next four
866	* indicate the actual extended opcode.
867	*/
868	packet_length =
869	sizeof( GLenum) + /* extended opcode */
870	sizeof( target ) +
871	sizeof( level ) +
872	sizeof( xoffset ) +
873	sizeof( yoffset ) +
874	sizeof( width ) +
875	sizeof( height ) +
876	sizeof( format ) +
877	sizeof( imagesize ) +
878	sizeof( int ); /* isnull */
879
880	if (data)
881	{
882	packet_length += imagesize;
883	}
884
885	data_ptr = (unsigned char *) crPackAlloc( packet_length );
886	WRITE_DATA( 0, GLenum, CR_COMPRESSEDTEXSUBIMAGE2DARB_EXTEND_OPCODE );
887	WRITE_DATA( 4, GLenum, target );
888	WRITE_DATA( 8, GLint, level );
889	WRITE_DATA( 12, GLint, xoffset );
890	WRITE_DATA( 16, GLint, yoffset );
891	WRITE_DATA( 20, GLsizei, width );
892	WRITE_DATA( 24, GLsizei, height );
893	WRITE_DATA( 28, GLenum, format );
894	WRITE_DATA( 32, GLsizei, imagesize );
895	WRITE_DATA( 36, int, isnull );
896
897	if (data) {
898	crMemcpy( (void )(data_ptr + 40), (void )data, imagesize);
899	}
900
901	crHugePacket( CR_EXTEND_OPCODE, data_ptr );
902	crPackFree( data_ptr );
903	}
904
905	void PACK_APIENTRY crPackCompressedTexSubImage3DARB( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imagesize, const GLvoid *data )
906	{
907	unsigned char *data_ptr;
908	int packet_length;
909	int isnull = (data == NULL);
910
911	/* All extended opcodes have their first 8 bytes predefined:
912	* the first four indicate the packet size, and the next four
913	* indicate the actual extended opcode.
914	*/
915	packet_length =
916	sizeof( GLenum) + /* extended opcode */
917	sizeof( target ) +
918	sizeof( level ) +
919	sizeof( xoffset ) +
920	sizeof( yoffset ) +
921	sizeof( zoffset ) +
922	sizeof( width ) +
923	sizeof( height ) +
924	sizeof( depth ) +
925	sizeof( format ) +
926	sizeof( imagesize ) +
927	sizeof( int ); /* isnull */
928
929	if (data)
930	{
931	packet_length += imagesize;
932	}
933
934	data_ptr = (unsigned char *) crPackAlloc( packet_length );
935	WRITE_DATA( 0, GLenum, CR_COMPRESSEDTEXSUBIMAGE3DARB_EXTEND_OPCODE );
936	WRITE_DATA( 4, GLenum, target );
937	WRITE_DATA( 8, GLint, level );
938	WRITE_DATA( 12, GLint, xoffset );
939	WRITE_DATA( 16, GLint, yoffset );
940	WRITE_DATA( 20, GLint, zoffset );
941	WRITE_DATA( 24, GLsizei, width );
942	WRITE_DATA( 28, GLsizei, height );
943	WRITE_DATA( 32, GLsizei, depth );
944	WRITE_DATA( 36, GLenum, format );
945	WRITE_DATA( 40, GLsizei, imagesize );
946	WRITE_DATA( 44, int, isnull );
947
948	if (data) {
949	crMemcpy( (void )(data_ptr + 48), (void )data, imagesize);
950	}
951
952	crHugePacket( CR_EXTEND_OPCODE, data_ptr );
953	crPackFree( data_ptr );
954	}
955
956	void PACK_APIENTRY crPackGetCompressedTexImageARB( GLenum target, GLint level, GLvoid img, int writeback )
957	{
958	GET_PACKER_CONTEXT(pc);
959	crError ( "GetCompressedTexImageARB needs to be special cased!");
960	(void) pc;
961	(void) target;
962	(void) level;
963	(void) img;
964	(void) writeback;
965	}

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source: vbox/trunk/src/VBox/GuestHost/OpenGL/packer/pack_texture.c@ 18171

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