1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
|
/**
* \file teximage.h
* Texture images manipulation functions.
*/
/*
* Mesa 3-D graphics library
*
* Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef TEXIMAGE_H
#define TEXIMAGE_H
#include "mtypes.h"
#include "formats.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Is the given value one of the 6 cube faces? */
static inline GLboolean
_mesa_is_cube_face(GLenum target)
{
return (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z);
}
/**
* Return number of faces for a texture target. This will be 6 for
* cube maps and 1 otherwise.
* NOTE: this function is not used for cube map arrays which operate
* more like 2D arrays than cube maps.
*/
static inline GLuint
_mesa_num_tex_faces(GLenum target)
{
switch (target) {
case GL_TEXTURE_CUBE_MAP:
case GL_PROXY_TEXTURE_CUBE_MAP:
return 6;
default:
return 1;
}
}
/**
* If the target is GL_TEXTURE_CUBE_MAP, return one of the
* GL_TEXTURE_CUBE_MAP_POSITIVE/NEGATIVE_X/Y/Z targets corresponding to
* the face parameter.
* Else, return target as-is.
*/
static inline GLenum
_mesa_cube_face_target(GLenum target, unsigned face)
{
if (target == GL_TEXTURE_CUBE_MAP) {
assert(face < 6);
return GL_TEXTURE_CUBE_MAP_POSITIVE_X + face;
}
else {
return target;
}
}
/**
* For cube map faces, return a face index in [0,5].
* For other targets return 0;
*/
static inline GLuint
_mesa_tex_target_to_face(GLenum target)
{
if (_mesa_is_cube_face(target))
return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
else
return 0;
}
/** Are any of the dimensions of given texture equal to zero? */
static inline GLboolean
_mesa_is_zero_size_texture(const struct gl_texture_image *texImage)
{
return (texImage->Width == 0 ||
texImage->Height == 0 ||
texImage->Depth == 0);
}
/** \name Internal functions */
/*@{*/
extern GLboolean
_mesa_is_proxy_texture(GLenum target);
extern bool
_mesa_is_array_texture(GLenum target);
extern struct gl_texture_image *
_mesa_new_texture_image( struct gl_context *ctx );
extern void
_mesa_delete_texture_image( struct gl_context *ctx,
struct gl_texture_image *teximage );
extern void
_mesa_init_teximage_fields(struct gl_context *ctx,
struct gl_texture_image *img,
GLsizei width, GLsizei height, GLsizei depth,
GLint border, GLenum internalFormat,
mesa_format format);
extern mesa_format
_mesa_choose_texture_format(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum target, GLint level,
GLenum internalFormat, GLenum format, GLenum type);
extern void
_mesa_update_fbo_texture(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLuint face, GLuint level);
extern void
_mesa_clear_texture_image(struct gl_context *ctx,
struct gl_texture_image *texImage);
extern struct gl_texture_image *
_mesa_select_tex_image(const struct gl_texture_object *texObj,
GLenum target, GLint level);
extern struct gl_texture_image *
_mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
GLenum target, GLint level);
/**
* Return the base-level texture image for the given texture object.
*/
static inline const struct gl_texture_image *
_mesa_base_tex_image(const struct gl_texture_object *texObj)
{
return texObj->Image[0][texObj->BaseLevel];
}
extern GLint
_mesa_max_texture_levels(struct gl_context *ctx, GLenum target);
extern GLboolean
_mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target, GLint level,
mesa_format format,
GLint width, GLint height, GLint depth, GLint border);
extern GLboolean
_mesa_target_can_be_compressed(const struct gl_context *ctx, GLenum target,
GLenum intFormat, GLenum *error);
extern GLint
_mesa_get_texture_dimensions(GLenum target);
extern GLboolean
_mesa_tex_target_is_layered(GLenum target);
extern GLuint
_mesa_get_texture_layers(const struct gl_texture_object *texObj, GLint level);
extern GLsizei
_mesa_get_tex_max_num_levels(GLenum target, GLsizei width, GLsizei height,
GLsizei depth);
extern GLboolean
_mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
GLint level, GLint width, GLint height,
GLint depth, GLint border);
extern mesa_format
_mesa_validate_texbuffer_format(const struct gl_context *ctx,
GLenum internalFormat);
bool
_mesa_legal_texture_base_format_for_target(struct gl_context *ctx,
GLenum target,
GLenum internalFormat);
bool
_mesa_format_no_online_compression(const struct gl_context *ctx, GLenum format);
GLboolean
_mesa_is_renderable_texture_format(struct gl_context *ctx, GLenum internalformat);
extern void
_mesa_texture_sub_image(struct gl_context *ctx, GLuint dims,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const GLvoid *pixels,
bool dsa);
extern void
_mesa_compressed_texture_sub_image(struct gl_context *ctx, GLuint dims,
struct gl_texture_object *texObj,
struct gl_texture_image *texImage,
GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLint zoffset,
GLsizei width, GLsizei height,
GLsizei depth,
GLenum format, GLsizei imageSize,
const GLvoid *data);
extern void
_mesa_copy_texture_sub_image(struct gl_context *ctx, GLuint dims,
struct gl_texture_object *texObj,
GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint x, GLint y,
GLsizei width, GLsizei height,
const char *caller);
extern void
_mesa_texture_buffer_range(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum internalFormat,
struct gl_buffer_object *bufObj,
GLintptr offset, GLsizeiptr size,
const char *caller);
bool
_mesa_is_cube_map_texture(GLenum target);
/*@}*/
/** \name API entry point functions */
/*@{*/
extern void GLAPIENTRY
_mesa_TexImage1D( GLenum target, GLint level, GLint internalformat,
GLsizei width, GLint border,
GLenum format, GLenum type, const GLvoid *pixels );
extern void GLAPIENTRY
_mesa_TexImage2D( GLenum target, GLint level, GLint internalformat,
GLsizei width, GLsizei height, GLint border,
GLenum format, GLenum type, const GLvoid *pixels );
extern void GLAPIENTRY
_mesa_TexImage3D( GLenum target, GLint level, GLint internalformat,
GLsizei width, GLsizei height, GLsizei depth, GLint border,
GLenum format, GLenum type, const GLvoid *pixels );
extern void GLAPIENTRY
_mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalformat,
GLsizei width, GLsizei height, GLsizei depth,
GLint border, GLenum format, GLenum type,
const GLvoid *pixels );
extern void GLAPIENTRY
_mesa_EGLImageTargetTexture2DOES( GLenum target, GLeglImageOES image );
extern void GLAPIENTRY
_mesa_TexSubImage1D( GLenum target, GLint level, GLint xoffset,
GLsizei width,
GLenum format, GLenum type,
const GLvoid *pixels );
extern void GLAPIENTRY
_mesa_TexSubImage2D( GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const GLvoid *pixels );
extern void GLAPIENTRY
_mesa_TexSubImage3D( GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type,
const GLvoid *pixels );
extern void GLAPIENTRY
_mesa_TextureSubImage1D(GLuint texture, GLint level, GLint xoffset,
GLsizei width,
GLenum format, GLenum type,
const GLvoid *pixels);
extern void GLAPIENTRY
_mesa_TextureSubImage2D(GLuint texture, GLint level,
GLint xoffset, GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const GLvoid *pixels);
extern void GLAPIENTRY
_mesa_TextureSubImage3D(GLuint texture, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type,
const GLvoid *pixels);
extern void GLAPIENTRY
_mesa_CopyTexImage1D(GLenum target, GLint level, GLenum internalformat,
GLint x, GLint y, GLsizei width, GLint border);
extern void GLAPIENTRY
_mesa_CopyTexImage2D( GLenum target, GLint level,
GLenum internalformat, GLint x, GLint y,
GLsizei width, GLsizei height, GLint border );
extern void GLAPIENTRY
_mesa_CopyTexSubImage1D( GLenum target, GLint level, GLint xoffset,
GLint x, GLint y, GLsizei width );
extern void GLAPIENTRY
_mesa_CopyTexSubImage2D( GLenum target, GLint level,
GLint xoffset, GLint yoffset,
GLint x, GLint y, GLsizei width, GLsizei height );
extern void GLAPIENTRY
_mesa_CopyTexSubImage3D( GLenum target, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint x, GLint y, GLsizei width, GLsizei height );
extern void GLAPIENTRY
_mesa_CopyTextureSubImage1D(GLuint texture, GLint level,
GLint xoffset, GLint x, GLint y, GLsizei width);
extern void GLAPIENTRY
_mesa_CopyTextureSubImage2D(GLuint texture, GLint level,
GLint xoffset, GLint yoffset,
GLint x, GLint y,
GLsizei width, GLsizei height);
extern void GLAPIENTRY
_mesa_CopyTextureSubImage3D(GLuint texture, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLint x, GLint y,
GLsizei width, GLsizei height);
extern void GLAPIENTRY
_mesa_ClearTexSubImage( GLuint texture, GLint level,
GLint xoffset, GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height, GLsizei depth,
GLenum format, GLenum type, const void *data );
extern void GLAPIENTRY
_mesa_ClearTexImage( GLuint texture, GLint level,
GLenum format, GLenum type, const void *data );
extern void GLAPIENTRY
_mesa_CompressedTexImage1D(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLint border, GLsizei imageSize,
const GLvoid *data);
extern void GLAPIENTRY
_mesa_CompressedTexImage2D(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLsizei height, GLint border, GLsizei imageSize,
const GLvoid *data);
extern void GLAPIENTRY
_mesa_CompressedTexImage3D(GLenum target, GLint level,
GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth, GLint border,
GLsizei imageSize, const GLvoid *data);
extern void GLAPIENTRY
_mesa_CompressedTexSubImage1D(GLenum target, GLint level, GLint xoffset,
GLsizei width, GLenum format,
GLsizei imageSize, const GLvoid *data);
extern void GLAPIENTRY
_mesa_CompressedTextureSubImage1D(GLuint texture, GLint level, GLint xoffset,
GLsizei width, GLenum format,
GLsizei imageSize, const GLvoid *data);
extern void GLAPIENTRY
_mesa_CompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLsizei width, GLsizei height,
GLenum format, GLsizei imageSize,
const GLvoid *data);
extern void GLAPIENTRY
_mesa_CompressedTextureSubImage2D(GLuint texture, GLint level, GLint xoffset,
GLint yoffset,
GLsizei width, GLsizei height,
GLenum format, GLsizei imageSize,
const GLvoid *data);
extern void GLAPIENTRY
_mesa_CompressedTexSubImage3D(GLenum target, GLint level, GLint xoffset,
GLint yoffset, GLint zoffset, GLsizei width,
GLsizei height, GLsizei depth, GLenum format,
GLsizei imageSize, const GLvoid *data);
extern void GLAPIENTRY
_mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset,
GLint yoffset, GLint zoffset,
GLsizei width, GLsizei height,
GLsizei depth,
GLenum format, GLsizei imageSize,
const GLvoid *data);
extern void GLAPIENTRY
_mesa_TexBuffer(GLenum target, GLenum internalFormat, GLuint buffer);
extern void GLAPIENTRY
_mesa_TexBufferRange(GLenum target, GLenum internalFormat, GLuint buffer,
GLintptr offset, GLsizeiptr size);
extern void GLAPIENTRY
_mesa_TextureBuffer(GLuint texture, GLenum internalFormat, GLuint buffer);
extern void GLAPIENTRY
_mesa_TextureBufferRange(GLuint texture, GLenum internalFormat, GLuint buffer,
GLintptr offset, GLsizeiptr size);
extern void GLAPIENTRY
_mesa_TexImage2DMultisample(GLenum target, GLsizei samples,
GLenum internalformat, GLsizei width,
GLsizei height, GLboolean fixedsamplelocations);
extern void GLAPIENTRY
_mesa_TexImage3DMultisample(GLenum target, GLsizei samples,
GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth,
GLboolean fixedsamplelocations);
extern void GLAPIENTRY
_mesa_TexStorage2DMultisample(GLenum target, GLsizei samples,
GLenum internalformat, GLsizei width,
GLsizei height, GLboolean fixedsamplelocations);
extern void GLAPIENTRY
_mesa_TexStorage3DMultisample(GLenum target, GLsizei samples,
GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth,
GLboolean fixedsamplelocations);
void GLAPIENTRY
_mesa_TextureStorage2DMultisample(GLuint texture, GLsizei samples,
GLenum internalformat, GLsizei width,
GLsizei height,
GLboolean fixedsamplelocations);
void GLAPIENTRY
_mesa_TextureStorage3DMultisample(GLuint texture, GLsizei samples,
GLenum internalformat, GLsizei width,
GLsizei height, GLsizei depth,
GLboolean fixedsamplelocations);
/*@}*/
#ifdef __cplusplus
}
#endif
#endif
|
