unpack_texture.c@ 27091

最後變更在這個檔案從27091是 27091,由 vboxsync 提交於 15 年前
crOpenGL: add GL_ARB_pixel_buffer_object support
屬性 svn:eol-style 設為 `native` 屬性 svn:keywords 設為 `Id`
檔案大小: 18.5 KB

行
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 "unpacker.h"
8	#include "cr_error.h"
9	#include "cr_protocol.h"
10	#include "cr_mem.h"
11	#include "cr_version.h"
12
13	#if defined( GL_EXT_texture3D )
14	void crUnpackTexImage3DEXT( void )
15	{
16	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
17	GLint level = READ_DATA( sizeof( int ) + 4, GLint );
18	GLenum internalformat = READ_DATA( sizeof( int ) + 8, GLint );
19	GLsizei width = READ_DATA( sizeof( int ) + 12, GLsizei );
20	GLsizei height = READ_DATA( sizeof( int ) + 16, GLsizei );
21	GLsizei depth = READ_DATA( sizeof( int ) + 20, GLsizei );
22	GLint border = READ_DATA( sizeof( int ) + 24, GLint );
23	GLenum format = READ_DATA( sizeof( int ) + 28, GLenum );
24	GLenum type = READ_DATA( sizeof( int ) + 32, GLenum );
25	int noimagedata = READ_DATA( sizeof( int ) + 36, int );
26	GLvoid *pixels;
27
28	/*If there's no imagedata send, it's either that passed pointer was NULL or
29	there was GL_PIXEL_UNPACK_BUFFER_ARB bound, in both cases 4bytes of passed
30	pointer would convert to either NULL or offset in the bound buffer.
31	*/
32	if ( noimagedata )
33	pixels = (void*) READ_DATA(sizeof(int)+40, uintptr_t);
34	else
35	pixels = DATA_POINTER( sizeof( int ) + 44, GLvoid );
36
37	cr_unpackDispatch.TexImage3DEXT(target, level, internalformat, width,
38	height, depth, border, format, type,
39	pixels);
40	INCR_VAR_PTR();
41	}
42	#endif /* GL_EXT_texture3D */
43
44	#if defined( CR_OPENGL_VERSION_1_2 )
45	void crUnpackTexImage3D( void )
46	{
47	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
48	GLint level = READ_DATA( sizeof( int ) + 4, GLint );
49	GLint internalformat = READ_DATA( sizeof( int ) + 8, GLint );
50	GLsizei width = READ_DATA( sizeof( int ) + 12, GLsizei );
51	GLsizei height = READ_DATA( sizeof( int ) + 16, GLsizei );
52	GLsizei depth = READ_DATA( sizeof( int ) + 20, GLsizei );
53	GLint border = READ_DATA( sizeof( int ) + 24, GLint );
54	GLenum format = READ_DATA( sizeof( int ) + 28, GLenum );
55	GLenum type = READ_DATA( sizeof( int ) + 32, GLenum );
56	int noimagedata = READ_DATA( sizeof( int ) + 36, int );
57	GLvoid *pixels;
58
59	if ( noimagedata )
60	pixels = (void*) READ_DATA(sizeof(int)+40, uintptr_t);
61	else
62	pixels = DATA_POINTER( sizeof( int ) + 44, GLvoid );
63
64	cr_unpackDispatch.TexImage3D( target, level, internalformat, width, height,
65	depth, border, format, type, pixels );
66	INCR_VAR_PTR();
67	}
68	#endif /* CR_OPENGL_VERSION_1_2 */
69
70	void crUnpackTexImage2D( void )
71	{
72	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
73	GLint level = READ_DATA( sizeof( int ) + 4, GLint );
74	GLint internalformat = READ_DATA( sizeof( int ) + 8, GLint );
75	GLsizei width = READ_DATA( sizeof( int ) + 12, GLsizei );
76	GLsizei height = READ_DATA( sizeof( int ) + 16, GLsizei );
77	GLint border = READ_DATA( sizeof( int ) + 20, GLint );
78	GLenum format = READ_DATA( sizeof( int ) + 24, GLenum );
79	GLenum type = READ_DATA( sizeof( int ) + 28, GLenum );
80	int noimagedata = READ_DATA( sizeof( int ) + 32, int );
81	GLvoid *pixels;
82
83	if ( noimagedata )
84	pixels = (void*) READ_DATA(sizeof(int)+36, uintptr_t);
85	else
86	pixels = DATA_POINTER( sizeof( int ) + 40, GLvoid );
87
88	cr_unpackDispatch.TexImage2D( target, level, internalformat, width, height,
89	border, format, type, pixels );
90	INCR_VAR_PTR();
91	}
92
93	void crUnpackTexImage1D( void )
94	{
95	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
96	GLint level = READ_DATA( sizeof( int ) + 4, GLint );
97	GLint internalformat = READ_DATA( sizeof( int ) + 8, GLint );
98	GLsizei width = READ_DATA( sizeof( int ) + 12, GLsizei );
99	GLint border = READ_DATA( sizeof( int ) + 16, GLint );
100	GLenum format = READ_DATA( sizeof( int ) + 20, GLenum );
101	GLenum type = READ_DATA( sizeof( int ) + 24, GLenum );
102	int noimagedata = READ_DATA( sizeof( int ) + 28, int );
103	GLvoid *pixels;
104
105	if ( noimagedata )
106	pixels = (void*) READ_DATA(sizeof(int)+32, uintptr_t);
107	else
108	pixels = DATA_POINTER( sizeof( int ) + 36, GLvoid );
109
110	cr_unpackDispatch.TexImage1D( target, level, internalformat, width, border,
111	format, type, pixels );
112	INCR_VAR_PTR();
113	}
114
115	void crUnpackDeleteTextures( void )
116	{
117	GLsizei n = READ_DATA( sizeof( int ) + 0, GLsizei );
118	GLuint *textures = DATA_POINTER( sizeof( int ) + 4, GLuint );
119
120	cr_unpackDispatch.DeleteTextures( n, textures );
121	INCR_VAR_PTR();
122	}
123
124
125	void crUnpackPrioritizeTextures( void )
126	{
127	GLsizei n = READ_DATA( sizeof( int ) + 0, GLsizei );
128	GLuint *textures = DATA_POINTER( sizeof( int ) + 4, GLuint );
129	GLclampf priorities = DATA_POINTER( sizeof( int ) + 4 + nsizeof( GLuint ),
130	GLclampf );
131
132	cr_unpackDispatch.PrioritizeTextures( n, textures, priorities );
133	INCR_VAR_PTR();
134	}
135
136	void crUnpackTexParameterfv( void )
137	{
138	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
139	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
140	GLfloat *params = DATA_POINTER( sizeof( int ) + 8, GLfloat );
141
142	cr_unpackDispatch.TexParameterfv( target, pname, params );
143	INCR_VAR_PTR();
144	}
145
146	void crUnpackTexParameteriv( void )
147	{
148	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
149	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
150	GLint *params = DATA_POINTER( sizeof( int ) + 8, GLint );
151
152	cr_unpackDispatch.TexParameteriv( target, pname, params );
153	INCR_VAR_PTR();
154	}
155
156	void crUnpackTexParameterf( void )
157	{
158	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
159	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
160	GLfloat param = READ_DATA( sizeof( int ) + 8, GLfloat );
161
162	cr_unpackDispatch.TexParameterf( target, pname, param );
163	INCR_VAR_PTR();
164	}
165
166	void crUnpackTexParameteri( void )
167	{
168	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
169	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
170	GLint param = READ_DATA( sizeof( int ) + 8, GLint );
171
172	cr_unpackDispatch.TexParameteri( target, pname, param );
173	INCR_VAR_PTR();
174	}
175
176	#if defined(CR_OPENGL_VERSION_1_2)
177	void crUnpackTexSubImage3D( void )
178	{
179	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
180	GLint level = READ_DATA( sizeof( int ) + 4, GLint );
181	GLint xoffset = READ_DATA( sizeof( int ) + 8, GLint );
182	GLint yoffset = READ_DATA( sizeof( int ) + 12, GLint );
183	GLint zoffset = READ_DATA( sizeof( int ) + 16, GLint );
184	GLsizei width = READ_DATA( sizeof( int ) + 20, GLsizei );
185	GLsizei height = READ_DATA( sizeof( int ) + 24, GLsizei );
186	GLsizei depth = READ_DATA( sizeof( int ) + 28, GLsizei );
187	GLenum format = READ_DATA( sizeof( int ) + 32, GLenum );
188	GLenum type = READ_DATA( sizeof( int ) + 36, GLenum );
189	int noimagedata = READ_DATA( sizeof( int ) + 40, int );
190	GLvoid *pixels;
191
192	if ( noimagedata )
193	pixels = (void*) READ_DATA(sizeof(int)+44, uintptr_t);
194	else
195	pixels = DATA_POINTER( sizeof( int ) + 48, GLvoid );
196
197	cr_unpackDispatch.PixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
198	cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
199	cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
200	cr_unpackDispatch.PixelStorei( GL_UNPACK_ALIGNMENT, 1 );
201
202	cr_unpackDispatch.TexSubImage3D(target, level, xoffset, yoffset, zoffset,
203	width, height, depth, format, type, pixels);
204	INCR_VAR_PTR();
205	}
206	#endif /* CR_OPENGL_VERSION_1_2 */
207
208	void crUnpackTexSubImage2D( void )
209	{
210	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
211	GLint level = READ_DATA( sizeof( int ) + 4, GLint );
212	GLint xoffset = READ_DATA( sizeof( int ) + 8, GLint );
213	GLint yoffset = READ_DATA( sizeof( int ) + 12, GLint );
214	GLsizei width = READ_DATA( sizeof( int ) + 16, GLsizei );
215	GLsizei height = READ_DATA( sizeof( int ) + 20, GLsizei );
216	GLenum format = READ_DATA( sizeof( int ) + 24, GLenum );
217	GLenum type = READ_DATA( sizeof( int ) + 28, GLenum );
218	int noimagedata = READ_DATA( sizeof( int ) + 32, int );
219	GLvoid *pixels;
220
221	if ( noimagedata )
222	pixels = (void*) READ_DATA(sizeof(int)+36, uintptr_t);
223	else
224	pixels = DATA_POINTER( sizeof( int ) + 40, GLvoid );
225
226	cr_unpackDispatch.PixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
227	cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
228	cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
229	cr_unpackDispatch.PixelStorei( GL_UNPACK_ALIGNMENT, 1 );
230
231	cr_unpackDispatch.TexSubImage2D( target, level, xoffset, yoffset, width,
232	height, format, type, pixels );
233	INCR_VAR_PTR();
234	}
235
236	void crUnpackTexSubImage1D( void )
237	{
238	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
239	GLint level = READ_DATA( sizeof( int ) + 4, GLint );
240	GLint xoffset = READ_DATA( sizeof( int ) + 8, GLint );
241	GLsizei width = READ_DATA( sizeof( int ) + 12, GLsizei );
242	GLenum format = READ_DATA( sizeof( int ) + 16, GLenum );
243	GLenum type = READ_DATA( sizeof( int ) + 20, GLenum );
244	int noimagedata = READ_DATA( sizeof( int ) + 24, int );
245	GLvoid *pixels;
246
247	if ( noimagedata )
248	pixels = (void*) READ_DATA(sizeof(int)+28, uintptr_t);
249	else
250	pixels = DATA_POINTER( sizeof( int ) + 32, GLvoid );
251
252	cr_unpackDispatch.PixelStorei( GL_UNPACK_ROW_LENGTH, 0 );
253	cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_PIXELS, 0 );
254	cr_unpackDispatch.PixelStorei( GL_UNPACK_SKIP_ROWS, 0 );
255	cr_unpackDispatch.PixelStorei( GL_UNPACK_ALIGNMENT, 1 );
256
257	cr_unpackDispatch.TexSubImage1D( target, level, xoffset, width, format,
258	type, pixels );
259	INCR_VAR_PTR();
260	}
261
262
263	void crUnpackTexEnvfv( void )
264	{
265	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
266	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
267	GLfloat *params = DATA_POINTER( sizeof( int ) + 8, GLfloat );
268
269	cr_unpackDispatch.TexEnvfv( target, pname, params );
270	INCR_VAR_PTR();
271	}
272
273	void crUnpackTexEnviv( void )
274	{
275	GLenum target = READ_DATA( sizeof( int ) + 0, GLenum );
276	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
277	GLint *params = DATA_POINTER( sizeof( int ) + 8, GLint );
278
279	cr_unpackDispatch.TexEnviv( target, pname, params );
280	INCR_VAR_PTR();
281	}
282
283	#define DATA_POINTER_DOUBLE( offset )
284
285	void crUnpackTexGendv( void )
286	{
287	GLenum coord = READ_DATA( sizeof( int ) + 0, GLenum );
288	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
289	GLdouble params[4];
290	unsigned int n_param = READ_DATA( 0, int ) - ( sizeof(int) + 8 );
291
292	if ( n_param > sizeof(params) )
293	crError( "crUnpackTexGendv: n_param=%d, expected <= %d\n", n_param,
294	(unsigned int)sizeof(params) );
295	crMemcpy( params, DATA_POINTER( sizeof( int ) + 8, GLdouble ), n_param );
296
297	cr_unpackDispatch.TexGendv( coord, pname, params );
298	INCR_VAR_PTR();
299	}
300
301	void crUnpackTexGenfv( void )
302	{
303	GLenum coord = READ_DATA( sizeof( int ) + 0, GLenum );
304	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
305	GLfloat *params = DATA_POINTER( sizeof( int ) + 8, GLfloat );
306
307	cr_unpackDispatch.TexGenfv( coord, pname, params );
308	INCR_VAR_PTR();
309	}
310
311	void crUnpackTexGeniv( void )
312	{
313	GLenum coord = READ_DATA( sizeof( int ) + 0, GLenum );
314	GLenum pname = READ_DATA( sizeof( int ) + 4, GLenum );
315	GLint *params = DATA_POINTER( sizeof( int ) + 8, GLint );
316
317	cr_unpackDispatch.TexGeniv( coord, pname, params );
318	INCR_VAR_PTR();
319	}
320
321	void crUnpackExtendAreTexturesResident( void )
322	{
323	GLsizei n = READ_DATA( 8, GLsizei );
324	const GLuint *textures = DATA_POINTER( 12, const GLuint );
325	SET_RETURN_PTR(12 + n * sizeof(GLuint));
326	SET_WRITEBACK_PTR(20 + n * sizeof(GLuint));
327	(void) cr_unpackDispatch.AreTexturesResident( n, textures, NULL );
328	}
329
330
331	void crUnpackExtendCompressedTexImage3DARB( void )
332	{
333	GLenum target = READ_DATA( 4 + sizeof(int) + 0, GLenum );
334	GLint level = READ_DATA( 4 + sizeof(int) + 4, GLint );
335	GLenum internalformat = READ_DATA( 4 + sizeof(int) + 8, GLenum );
336	GLsizei width = READ_DATA( 4 + sizeof(int) + 12, GLsizei );
337	GLsizei height = READ_DATA( 4 + sizeof(int) + 16, GLsizei );
338	GLsizei depth = READ_DATA( 4 + sizeof(int) + 20, GLsizei );
339	GLint border = READ_DATA( 4 + sizeof(int) + 24, GLint );
340	GLsizei imagesize = READ_DATA( 4 + sizeof(int) + 28, GLsizei );
341	int noimagedata = READ_DATA( 4 + sizeof(int) + 32, int );
342	GLvoid *pixels;
343
344	if( noimagedata )
345	pixels = (void*) READ_DATA(4+sizeof(int)+36, uintptr_t);
346	else
347	pixels = DATA_POINTER( 4 + sizeof(int) + 40, GLvoid );
348
349	cr_unpackDispatch.CompressedTexImage3DARB(target, level, internalformat,
350	width, height, depth, border,
351	imagesize, pixels);
352	}
353
354
355	void crUnpackExtendCompressedTexImage2DARB( void )
356	{
357	GLenum target = READ_DATA( 4 + sizeof( int ) + 0, GLenum );
358	GLint level = READ_DATA( 4 + sizeof( int ) + 4, GLint );
359	GLenum internalformat = READ_DATA( 4 + sizeof( int ) + 8, GLenum );
360	GLsizei width = READ_DATA( 4 + sizeof( int ) + 12, GLsizei );
361	GLsizei height = READ_DATA( 4 + sizeof( int ) + 16, GLsizei );
362	GLint border = READ_DATA( 4 + sizeof( int ) + 20, GLint );
363	GLsizei imagesize = READ_DATA( 4 + sizeof( int ) + 24, GLsizei );
364	int noimagedata = READ_DATA( 4 + sizeof( int ) + 28, int );
365	GLvoid *pixels;
366
367	if ( noimagedata )
368	pixels = (void*) READ_DATA(4+sizeof(int)+32, uintptr_t);
369	else
370	pixels = DATA_POINTER( 4 + sizeof( int ) + 36, GLvoid );
371
372	cr_unpackDispatch.CompressedTexImage2DARB( target, level, internalformat,
373	width, height, border, imagesize,
374	pixels );
375	}
376
377
378	void crUnpackExtendCompressedTexImage1DARB( void )
379	{
380	GLenum target = READ_DATA( 4 + sizeof(int) + 0, GLenum );
381	GLint level = READ_DATA( 4 + sizeof(int) + 4, GLint );
382	GLenum internalformat = READ_DATA( 4 + sizeof(int) + 8, GLenum );
383	GLsizei width = READ_DATA( 4 + sizeof(int) + 12, GLsizei );
384	GLint border = READ_DATA( 4 + sizeof(int) + 16, GLint );
385	GLsizei imagesize = READ_DATA( 4 + sizeof(int) + 20, GLsizei );
386	int noimagedata = READ_DATA( 4 + sizeof(int) + 24, int );
387	GLvoid *pixels;
388
389	if( noimagedata )
390	pixels = (void*) READ_DATA(4+sizeof(int)+28, uintptr_t);
391	else
392	pixels = DATA_POINTER( 4 + sizeof(int) + 32, GLvoid );
393
394	cr_unpackDispatch.CompressedTexImage1DARB(target, level, internalformat,
395	width, border, imagesize, pixels);
396	}
397
398
399	void crUnpackExtendCompressedTexSubImage3DARB( void )
400	{
401	GLenum target = READ_DATA( 4 + sizeof(int) + 0, GLenum );
402	GLint level = READ_DATA( 4 + sizeof(int) + 4, GLint );
403	GLint xoffset = READ_DATA( 4 + sizeof(int) + 8, GLint );
404	GLint yoffset = READ_DATA( 4 + sizeof(int) + 12, GLint );
405	GLint zoffset = READ_DATA( 4 + sizeof(int) + 16, GLint );
406	GLsizei width = READ_DATA( 4 + sizeof(int) + 20, GLsizei );
407	GLsizei height = READ_DATA( 4 + sizeof(int) + 24, GLsizei );
408	GLsizei depth = READ_DATA( 4 + sizeof(int) + 28, GLsizei );
409	GLenum format = READ_DATA( 4 + sizeof(int) + 32, GLenum );
410	GLsizei imagesize = READ_DATA( 4 + sizeof(int) + 36, GLsizei );
411	int noimagedata = READ_DATA( 4 + sizeof(int) + 40, int );
412	GLvoid *pixels;
413
414	if( noimagedata )
415	pixels = (void*) READ_DATA(4+sizeof(int)+44, uintptr_t);
416	else
417	pixels = DATA_POINTER( 4 + sizeof(int) + 48, GLvoid );
418
419	cr_unpackDispatch.CompressedTexSubImage3DARB(target, level, xoffset,
420	yoffset, zoffset, width,
421	height, depth, format,
422	imagesize, pixels);
423	}
424
425
426	void crUnpackExtendCompressedTexSubImage2DARB( void )
427	{
428	GLenum target = READ_DATA( 4 + sizeof(int) + 0, GLenum );
429	GLint level = READ_DATA( 4 + sizeof(int) + 4, GLint );
430	GLint xoffset = READ_DATA( 4 + sizeof(int) + 8, GLint );
431	GLint yoffset = READ_DATA( 4 + sizeof(int) + 12, GLint );
432	GLsizei width = READ_DATA( 4 + sizeof(int) + 16, GLsizei );
433	GLsizei height = READ_DATA( 4 + sizeof(int) + 20, GLsizei );
434	GLenum format = READ_DATA( 4 + sizeof(int) + 24, GLenum );
435	GLsizei imagesize = READ_DATA( 4 + sizeof(int) + 28, GLsizei );
436	int noimagedata = READ_DATA( 4 + sizeof(int) + 32, int );
437	GLvoid *pixels;
438
439	if( noimagedata )
440	pixels = (void*) READ_DATA(4+sizeof(int)+36, uintptr_t);
441	else
442	pixels = DATA_POINTER( 4 + sizeof(int) + 40, GLvoid );
443
444	cr_unpackDispatch.CompressedTexSubImage2DARB(target, level, xoffset,
445	yoffset, width, height,
446	format, imagesize, pixels);
447	}
448
449
450	void crUnpackExtendCompressedTexSubImage1DARB( void )
451	{
452	GLenum target = READ_DATA( 4 + sizeof(int) + 0, GLenum );
453	GLint level = READ_DATA( 4 + sizeof(int) + 4, GLint );
454	GLint xoffset = READ_DATA( 4 + sizeof(int) + 8, GLint );
455	GLsizei width = READ_DATA( 4 + sizeof(int) + 12, GLsizei );
456	GLenum format = READ_DATA( 4 + sizeof(int) + 16, GLenum );
457	GLsizei imagesize = READ_DATA( 4 + sizeof(int) + 20, GLsizei );
458	int noimagedata = READ_DATA( 4 + sizeof(int) + 24, int );
459	GLvoid *pixels;
460
461	if( noimagedata )
462	pixels = (void*) READ_DATA(4+sizeof(int)+28, uintptr_t);
463	else
464	pixels = DATA_POINTER( 4 + sizeof(int) + 32, GLvoid );
465
466	cr_unpackDispatch.CompressedTexSubImage1DARB(target, level, xoffset, width,
467	format, imagesize, pixels);
468	}
469
470	void crUnpackExtendGetTexImage(void)
471	{
472	GLenum target = READ_DATA( 8, GLenum );
473	GLint level = READ_DATA( 12, GLint );
474	GLenum format = READ_DATA( 16, GLenum );
475	GLenum type = READ_DATA( 20, GLenum );
476	GLvoid *pixels;
477
478	SET_RETURN_PTR(24);
479	SET_WRITEBACK_PTR(32);
480	pixels = DATA_POINTER(24, GLvoid);
481
482	cr_unpackDispatch.GetTexImage(target, level, format, type, pixels);
483	}
484
485	void crUnpackExtendGetCompressedTexImageARB(void)
486	{
487	GLenum target = READ_DATA( 8, GLenum );
488	GLint level = READ_DATA( 12, GLint );
489	GLvoid *img;
490
491	SET_RETURN_PTR( 16 );
492	SET_WRITEBACK_PTR( 24 );
493	img = DATA_POINTER(16, GLvoid);
494
495	cr_unpackDispatch.GetCompressedTexImageARB( target, level, img );
496	}

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source: vbox/trunk/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_texture.c@ 27091

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