5e7f4f767fd5f36fbfc3b8de83755fd37be5646a
[mesa.git] / src / mesa / main / teximage.c
1 /*
2 * Mesa 3-D graphics library
3 *
4 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27 /**
28 * \file teximage.c
29 * Texture image-related functions.
30 */
31
32 #include <stdbool.h>
33 #include "glheader.h"
34 #include "bufferobj.h"
35 #include "context.h"
36 #include "enums.h"
37 #include "fbobject.h"
38 #include "framebuffer.h"
39 #include "hash.h"
40 #include "image.h"
41 #include "imports.h"
42 #include "macros.h"
43 #include "mipmap.h"
44 #include "multisample.h"
45 #include "pixelstore.h"
46 #include "state.h"
47 #include "texcompress.h"
48 #include "texcompress_cpal.h"
49 #include "teximage.h"
50 #include "texobj.h"
51 #include "texstate.h"
52 #include "texstorage.h"
53 #include "textureview.h"
54 #include "mtypes.h"
55 #include "glformats.h"
56 #include "texstore.h"
57 #include "pbo.h"
58
59
60 /**
61 * State changes which we care about for glCopyTex[Sub]Image() calls.
62 * In particular, we care about pixel transfer state and buffer state
63 * (such as glReadBuffer to make sure we read from the right renderbuffer).
64 */
65 #define NEW_COPY_TEX_STATE (_NEW_BUFFERS | _NEW_PIXEL)
66
67 /**
68 * Returns a corresponding internal floating point format for a given base
69 * format as specifed by OES_texture_float. In case of GL_FLOAT, the internal
70 * format needs to be a 32 bit component and in case of GL_HALF_FLOAT_OES it
71 * needs to be a 16 bit component.
72 *
73 * For example, given base format GL_RGBA, type GL_FLOAT return GL_RGBA32F_ARB.
74 */
75 static GLenum
76 adjust_for_oes_float_texture(const struct gl_context *ctx,
77 GLenum format, GLenum type)
78 {
79 switch (type) {
80 case GL_FLOAT:
81 if (ctx->Extensions.OES_texture_float) {
82 switch (format) {
83 case GL_RGBA:
84 return GL_RGBA32F;
85 case GL_RGB:
86 return GL_RGB32F;
87 case GL_ALPHA:
88 return GL_ALPHA32F_ARB;
89 case GL_LUMINANCE:
90 return GL_LUMINANCE32F_ARB;
91 case GL_LUMINANCE_ALPHA:
92 return GL_LUMINANCE_ALPHA32F_ARB;
93 default:
94 break;
95 }
96 }
97 break;
98
99 case GL_HALF_FLOAT_OES:
100 if (ctx->Extensions.OES_texture_half_float) {
101 switch (format) {
102 case GL_RGBA:
103 return GL_RGBA16F;
104 case GL_RGB:
105 return GL_RGB16F;
106 case GL_ALPHA:
107 return GL_ALPHA16F_ARB;
108 case GL_LUMINANCE:
109 return GL_LUMINANCE16F_ARB;
110 case GL_LUMINANCE_ALPHA:
111 return GL_LUMINANCE_ALPHA16F_ARB;
112 default:
113 break;
114 }
115 }
116 break;
117
118 default:
119 break;
120 }
121
122 return format;
123 }
124
125 /**
126 * Returns a corresponding base format for a given internal floating point
127 * format as specifed by OES_texture_float.
128 */
129 static GLenum
130 oes_float_internal_format(const struct gl_context *ctx,
131 GLenum format, GLenum type)
132 {
133 switch (type) {
134 case GL_FLOAT:
135 if (ctx->Extensions.OES_texture_float) {
136 switch (format) {
137 case GL_RGBA32F:
138 return GL_RGBA;
139 case GL_RGB32F:
140 return GL_RGB;
141 case GL_ALPHA32F_ARB:
142 return GL_ALPHA;
143 case GL_LUMINANCE32F_ARB:
144 return GL_LUMINANCE;
145 case GL_LUMINANCE_ALPHA32F_ARB:
146 return GL_LUMINANCE_ALPHA;
147 default:
148 break;
149 }
150 }
151 break;
152
153 case GL_HALF_FLOAT_OES:
154 if (ctx->Extensions.OES_texture_half_float) {
155 switch (format) {
156 case GL_RGBA16F:
157 return GL_RGBA;
158 case GL_RGB16F:
159 return GL_RGB;
160 case GL_ALPHA16F_ARB:
161 return GL_ALPHA;
162 case GL_LUMINANCE16F_ARB:
163 return GL_LUMINANCE;
164 case GL_LUMINANCE_ALPHA16F_ARB:
165 return GL_LUMINANCE_ALPHA;
166 default:
167 break;
168 }
169 }
170 break;
171 }
172 return format;
173 }
174
175
176 /**
177 * Install gl_texture_image in a gl_texture_object according to the target
178 * and level parameters.
179 *
180 * \param tObj texture object.
181 * \param target texture target.
182 * \param level image level.
183 * \param texImage texture image.
184 */
185 static void
186 set_tex_image(struct gl_texture_object *tObj,
187 GLenum target, GLint level,
188 struct gl_texture_image *texImage)
189 {
190 const GLuint face = _mesa_tex_target_to_face(target);
191
192 assert(tObj);
193 assert(texImage);
194 if (target == GL_TEXTURE_RECTANGLE_NV || target == GL_TEXTURE_EXTERNAL_OES)
195 assert(level == 0);
196
197 tObj->Image[face][level] = texImage;
198
199 /* Set the 'back' pointer */
200 texImage->TexObject = tObj;
201 texImage->Level = level;
202 texImage->Face = face;
203 }
204
205
206 /**
207 * Free a gl_texture_image and associated data.
208 * This function is a fallback called via ctx->Driver.DeleteTextureImage().
209 *
210 * \param texImage texture image.
211 *
212 * Free the texture image structure and the associated image data.
213 */
214 void
215 _mesa_delete_texture_image(struct gl_context *ctx,
216 struct gl_texture_image *texImage)
217 {
218 /* Free texImage->Data and/or any other driver-specific texture
219 * image storage.
220 */
221 assert(ctx->Driver.FreeTextureImageBuffer);
222 ctx->Driver.FreeTextureImageBuffer( ctx, texImage );
223 free(texImage);
224 }
225
226
227 /**
228 * Test if a target is a proxy target.
229 *
230 * \param target texture target.
231 *
232 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
233 */
234 GLboolean
235 _mesa_is_proxy_texture(GLenum target)
236 {
237 unsigned i;
238 static const GLenum targets[] = {
239 GL_PROXY_TEXTURE_1D,
240 GL_PROXY_TEXTURE_2D,
241 GL_PROXY_TEXTURE_3D,
242 GL_PROXY_TEXTURE_CUBE_MAP,
243 GL_PROXY_TEXTURE_RECTANGLE,
244 GL_PROXY_TEXTURE_1D_ARRAY,
245 GL_PROXY_TEXTURE_2D_ARRAY,
246 GL_PROXY_TEXTURE_CUBE_MAP_ARRAY,
247 GL_PROXY_TEXTURE_2D_MULTISAMPLE,
248 GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY
249 };
250 /*
251 * NUM_TEXTURE_TARGETS should match number of terms above, except there's no
252 * proxy for GL_TEXTURE_BUFFER and GL_TEXTURE_EXTERNAL_OES.
253 */
254 STATIC_ASSERT(NUM_TEXTURE_TARGETS == ARRAY_SIZE(targets) + 2);
255
256 for (i = 0; i < ARRAY_SIZE(targets); ++i)
257 if (target == targets[i])
258 return GL_TRUE;
259 return GL_FALSE;
260 }
261
262
263 /**
264 * Test if a target is an array target.
265 *
266 * \param target texture target.
267 *
268 * \return true if the target is an array target, false otherwise.
269 */
270 bool
271 _mesa_is_array_texture(GLenum target)
272 {
273 switch (target) {
274 case GL_TEXTURE_1D_ARRAY:
275 case GL_TEXTURE_2D_ARRAY:
276 case GL_TEXTURE_CUBE_MAP_ARRAY:
277 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
278 return true;
279 default:
280 return false;
281 };
282 }
283
284 /**
285 * Test if a target is a cube map.
286 *
287 * \param target texture target.
288 *
289 * \return true if the target is a cube map, false otherwise.
290 */
291 bool
292 _mesa_is_cube_map_texture(GLenum target)
293 {
294 switch(target) {
295 case GL_TEXTURE_CUBE_MAP:
296 case GL_TEXTURE_CUBE_MAP_ARRAY:
297 return true;
298 default:
299 return false;
300 }
301 }
302
303 /**
304 * Return the proxy target which corresponds to the given texture target
305 */
306 static GLenum
307 proxy_target(GLenum target)
308 {
309 switch (target) {
310 case GL_TEXTURE_1D:
311 case GL_PROXY_TEXTURE_1D:
312 return GL_PROXY_TEXTURE_1D;
313 case GL_TEXTURE_2D:
314 case GL_PROXY_TEXTURE_2D:
315 return GL_PROXY_TEXTURE_2D;
316 case GL_TEXTURE_3D:
317 case GL_PROXY_TEXTURE_3D:
318 return GL_PROXY_TEXTURE_3D;
319 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
320 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
321 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
322 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
323 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
324 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
325 case GL_TEXTURE_CUBE_MAP:
326 case GL_PROXY_TEXTURE_CUBE_MAP:
327 return GL_PROXY_TEXTURE_CUBE_MAP;
328 case GL_TEXTURE_RECTANGLE_NV:
329 case GL_PROXY_TEXTURE_RECTANGLE_NV:
330 return GL_PROXY_TEXTURE_RECTANGLE_NV;
331 case GL_TEXTURE_1D_ARRAY_EXT:
332 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
333 return GL_PROXY_TEXTURE_1D_ARRAY_EXT;
334 case GL_TEXTURE_2D_ARRAY_EXT:
335 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
336 return GL_PROXY_TEXTURE_2D_ARRAY_EXT;
337 case GL_TEXTURE_CUBE_MAP_ARRAY:
338 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
339 return GL_PROXY_TEXTURE_CUBE_MAP_ARRAY;
340 case GL_TEXTURE_2D_MULTISAMPLE:
341 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
342 return GL_PROXY_TEXTURE_2D_MULTISAMPLE;
343 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
344 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
345 return GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY;
346 default:
347 _mesa_problem(NULL, "unexpected target in proxy_target()");
348 return 0;
349 }
350 }
351
352
353
354
355 /**
356 * Get a texture image pointer from a texture object, given a texture
357 * target and mipmap level. The target and level parameters should
358 * have already been error-checked.
359 *
360 * \param texObj texture unit.
361 * \param target texture target.
362 * \param level image level.
363 *
364 * \return pointer to the texture image structure, or NULL on failure.
365 */
366 struct gl_texture_image *
367 _mesa_select_tex_image(const struct gl_texture_object *texObj,
368 GLenum target, GLint level)
369 {
370 const GLuint face = _mesa_tex_target_to_face(target);
371
372 assert(texObj);
373 assert(level >= 0);
374 assert(level < MAX_TEXTURE_LEVELS);
375
376 return texObj->Image[face][level];
377 }
378
379
380 /**
381 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
382 * it and install it. Only return NULL if passed a bad parameter or run
383 * out of memory.
384 */
385 struct gl_texture_image *
386 _mesa_get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj,
387 GLenum target, GLint level)
388 {
389 struct gl_texture_image *texImage;
390
391 if (!texObj)
392 return NULL;
393
394 texImage = _mesa_select_tex_image(texObj, target, level);
395 if (!texImage) {
396 texImage = ctx->Driver.NewTextureImage(ctx);
397 if (!texImage) {
398 _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation");
399 return NULL;
400 }
401
402 set_tex_image(texObj, target, level, texImage);
403 }
404
405 return texImage;
406 }
407
408
409 /**
410 * Return pointer to the specified proxy texture image.
411 * Note that proxy textures are per-context, not per-texture unit.
412 * \return pointer to texture image or NULL if invalid target, invalid
413 * level, or out of memory.
414 */
415 static struct gl_texture_image *
416 get_proxy_tex_image(struct gl_context *ctx, GLenum target, GLint level)
417 {
418 struct gl_texture_image *texImage;
419 GLuint texIndex;
420
421 if (level < 0)
422 return NULL;
423
424 switch (target) {
425 case GL_PROXY_TEXTURE_1D:
426 texIndex = TEXTURE_1D_INDEX;
427 break;
428 case GL_PROXY_TEXTURE_2D:
429 texIndex = TEXTURE_2D_INDEX;
430 break;
431 case GL_PROXY_TEXTURE_3D:
432 texIndex = TEXTURE_3D_INDEX;
433 break;
434 case GL_PROXY_TEXTURE_CUBE_MAP:
435 texIndex = TEXTURE_CUBE_INDEX;
436 break;
437 case GL_PROXY_TEXTURE_RECTANGLE_NV:
438 if (level > 0)
439 return NULL;
440 texIndex = TEXTURE_RECT_INDEX;
441 break;
442 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
443 texIndex = TEXTURE_1D_ARRAY_INDEX;
444 break;
445 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
446 texIndex = TEXTURE_2D_ARRAY_INDEX;
447 break;
448 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
449 texIndex = TEXTURE_CUBE_ARRAY_INDEX;
450 break;
451 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
452 texIndex = TEXTURE_2D_MULTISAMPLE_INDEX;
453 break;
454 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
455 texIndex = TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX;
456 break;
457 default:
458 return NULL;
459 }
460
461 texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level];
462 if (!texImage) {
463 texImage = ctx->Driver.NewTextureImage(ctx);
464 if (!texImage) {
465 _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
466 return NULL;
467 }
468 ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage;
469 /* Set the 'back' pointer */
470 texImage->TexObject = ctx->Texture.ProxyTex[texIndex];
471 }
472 return texImage;
473 }
474
475
476 /**
477 * Get the maximum number of allowed mipmap levels.
478 *
479 * \param ctx GL context.
480 * \param target texture target.
481 *
482 * \return the maximum number of allowed mipmap levels for the given
483 * texture target, or zero if passed a bad target.
484 *
485 * \sa gl_constants.
486 */
487 GLint
488 _mesa_max_texture_levels(const struct gl_context *ctx, GLenum target)
489 {
490 switch (target) {
491 case GL_TEXTURE_1D:
492 case GL_PROXY_TEXTURE_1D:
493 case GL_TEXTURE_2D:
494 case GL_PROXY_TEXTURE_2D:
495 return ffs(util_next_power_of_two(ctx->Const.MaxTextureSize));
496 case GL_TEXTURE_3D:
497 case GL_PROXY_TEXTURE_3D:
498 return ctx->Const.Max3DTextureLevels;
499 case GL_TEXTURE_CUBE_MAP:
500 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
501 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
502 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
503 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
504 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
505 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
506 case GL_PROXY_TEXTURE_CUBE_MAP:
507 return ctx->Extensions.ARB_texture_cube_map
508 ? ctx->Const.MaxCubeTextureLevels : 0;
509 case GL_TEXTURE_RECTANGLE_NV:
510 case GL_PROXY_TEXTURE_RECTANGLE_NV:
511 return ctx->Extensions.NV_texture_rectangle ? 1 : 0;
512 case GL_TEXTURE_1D_ARRAY_EXT:
513 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
514 case GL_TEXTURE_2D_ARRAY_EXT:
515 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
516 return ctx->Extensions.EXT_texture_array
517 ? ffs(util_next_power_of_two(ctx->Const.MaxTextureSize)) : 0;
518 case GL_TEXTURE_CUBE_MAP_ARRAY:
519 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
520 return _mesa_has_texture_cube_map_array(ctx)
521 ? ctx->Const.MaxCubeTextureLevels : 0;
522 case GL_TEXTURE_BUFFER:
523 return (_mesa_has_ARB_texture_buffer_object(ctx) ||
524 _mesa_has_OES_texture_buffer(ctx)) ? 1 : 0;
525 case GL_TEXTURE_2D_MULTISAMPLE:
526 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
527 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
528 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
529 return (_mesa_is_desktop_gl(ctx) || _mesa_is_gles31(ctx))
530 && ctx->Extensions.ARB_texture_multisample
531 ? 1 : 0;
532 case GL_TEXTURE_EXTERNAL_OES:
533 return _mesa_has_OES_EGL_image_external(ctx) ? 1 : 0;
534 default:
535 return 0; /* bad target */
536 }
537 }
538
539
540 /**
541 * Return number of dimensions per mipmap level for the given texture target.
542 */
543 GLint
544 _mesa_get_texture_dimensions(GLenum target)
545 {
546 switch (target) {
547 case GL_TEXTURE_1D:
548 case GL_PROXY_TEXTURE_1D:
549 return 1;
550 case GL_TEXTURE_2D:
551 case GL_TEXTURE_RECTANGLE:
552 case GL_TEXTURE_CUBE_MAP:
553 case GL_PROXY_TEXTURE_2D:
554 case GL_PROXY_TEXTURE_RECTANGLE:
555 case GL_PROXY_TEXTURE_CUBE_MAP:
556 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
557 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
558 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
559 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
560 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
561 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
562 case GL_TEXTURE_1D_ARRAY:
563 case GL_PROXY_TEXTURE_1D_ARRAY:
564 case GL_TEXTURE_EXTERNAL_OES:
565 case GL_TEXTURE_2D_MULTISAMPLE:
566 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
567 return 2;
568 case GL_TEXTURE_3D:
569 case GL_PROXY_TEXTURE_3D:
570 case GL_TEXTURE_2D_ARRAY:
571 case GL_PROXY_TEXTURE_2D_ARRAY:
572 case GL_TEXTURE_CUBE_MAP_ARRAY:
573 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
574 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
575 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
576 return 3;
577 case GL_TEXTURE_BUFFER:
578 /* fall-through */
579 default:
580 _mesa_problem(NULL, "invalid target 0x%x in get_texture_dimensions()",
581 target);
582 return 2;
583 }
584 }
585
586
587 /**
588 * Check if a texture target can have more than one layer.
589 */
590 GLboolean
591 _mesa_tex_target_is_layered(GLenum target)
592 {
593 switch (target) {
594 case GL_TEXTURE_1D:
595 case GL_PROXY_TEXTURE_1D:
596 case GL_TEXTURE_2D:
597 case GL_PROXY_TEXTURE_2D:
598 case GL_TEXTURE_RECTANGLE:
599 case GL_PROXY_TEXTURE_RECTANGLE:
600 case GL_TEXTURE_2D_MULTISAMPLE:
601 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
602 case GL_TEXTURE_BUFFER:
603 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
604 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
605 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
606 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
607 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
608 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
609 case GL_TEXTURE_EXTERNAL_OES:
610 return GL_FALSE;
611
612 case GL_TEXTURE_3D:
613 case GL_PROXY_TEXTURE_3D:
614 case GL_TEXTURE_CUBE_MAP:
615 case GL_PROXY_TEXTURE_CUBE_MAP:
616 case GL_TEXTURE_1D_ARRAY:
617 case GL_PROXY_TEXTURE_1D_ARRAY:
618 case GL_TEXTURE_2D_ARRAY:
619 case GL_PROXY_TEXTURE_2D_ARRAY:
620 case GL_TEXTURE_CUBE_MAP_ARRAY:
621 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
622 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
623 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
624 return GL_TRUE;
625
626 default:
627 assert(!"Invalid texture target.");
628 return GL_FALSE;
629 }
630 }
631
632
633 /**
634 * Return the number of layers present in the given level of an array,
635 * cubemap or 3D texture. If the texture is not layered return zero.
636 */
637 GLuint
638 _mesa_get_texture_layers(const struct gl_texture_object *texObj, GLint level)
639 {
640 assert(level >= 0 && level < MAX_TEXTURE_LEVELS);
641
642 switch (texObj->Target) {
643 case GL_TEXTURE_1D:
644 case GL_TEXTURE_2D:
645 case GL_TEXTURE_RECTANGLE:
646 case GL_TEXTURE_2D_MULTISAMPLE:
647 case GL_TEXTURE_BUFFER:
648 case GL_TEXTURE_EXTERNAL_OES:
649 return 0;
650
651 case GL_TEXTURE_CUBE_MAP:
652 return 6;
653
654 case GL_TEXTURE_1D_ARRAY: {
655 struct gl_texture_image *img = texObj->Image[0][level];
656 return img ? img->Height : 0;
657 }
658
659 case GL_TEXTURE_3D:
660 case GL_TEXTURE_2D_ARRAY:
661 case GL_TEXTURE_CUBE_MAP_ARRAY:
662 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: {
663 struct gl_texture_image *img = texObj->Image[0][level];
664 return img ? img->Depth : 0;
665 }
666
667 default:
668 assert(!"Invalid texture target.");
669 return 0;
670 }
671 }
672
673
674 /**
675 * Return the maximum number of mipmap levels for the given target
676 * and the dimensions.
677 * The dimensions are expected not to include the border.
678 */
679 GLsizei
680 _mesa_get_tex_max_num_levels(GLenum target, GLsizei width, GLsizei height,
681 GLsizei depth)
682 {
683 GLsizei size;
684
685 switch (target) {
686 case GL_TEXTURE_1D:
687 case GL_TEXTURE_1D_ARRAY:
688 case GL_PROXY_TEXTURE_1D:
689 case GL_PROXY_TEXTURE_1D_ARRAY:
690 size = width;
691 break;
692 case GL_TEXTURE_CUBE_MAP:
693 case GL_TEXTURE_CUBE_MAP_ARRAY:
694 case GL_PROXY_TEXTURE_CUBE_MAP:
695 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
696 size = width;
697 break;
698 case GL_TEXTURE_2D:
699 case GL_TEXTURE_2D_ARRAY:
700 case GL_PROXY_TEXTURE_2D:
701 case GL_PROXY_TEXTURE_2D_ARRAY:
702 size = MAX2(width, height);
703 break;
704 case GL_TEXTURE_3D:
705 case GL_PROXY_TEXTURE_3D:
706 size = MAX3(width, height, depth);
707 break;
708 case GL_TEXTURE_RECTANGLE:
709 case GL_TEXTURE_EXTERNAL_OES:
710 case GL_TEXTURE_2D_MULTISAMPLE:
711 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
712 case GL_PROXY_TEXTURE_RECTANGLE:
713 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
714 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
715 return 1;
716 default:
717 assert(0);
718 return 1;
719 }
720
721 return _mesa_logbase2(size) + 1;
722 }
723
724
725 #if 000 /* not used anymore */
726 /*
727 * glTexImage[123]D can accept a NULL image pointer. In this case we
728 * create a texture image with unspecified image contents per the OpenGL
729 * spec.
730 */
731 static GLubyte *
732 make_null_texture(GLint width, GLint height, GLint depth, GLenum format)
733 {
734 const GLint components = _mesa_components_in_format(format);
735 const GLint numPixels = width * height * depth;
736 GLubyte *data = (GLubyte *) malloc(numPixels * components * sizeof(GLubyte));
737
738 #ifdef DEBUG
739 /*
740 * Let's see if anyone finds this. If glTexImage2D() is called with
741 * a NULL image pointer then load the texture image with something
742 * interesting instead of leaving it indeterminate.
743 */
744 if (data) {
745 static const char message[8][32] = {
746 " X X XXXXX XXX X ",
747 " XX XX X X X X X ",
748 " X X X X X X X ",
749 " X X XXXX XXX XXXXX ",
750 " X X X X X X ",
751 " X X X X X X X ",
752 " X X XXXXX XXX X X ",
753 " "
754 };
755
756 GLubyte *imgPtr = data;
757 GLint h, i, j, k;
758 for (h = 0; h < depth; h++) {
759 for (i = 0; i < height; i++) {
760 GLint srcRow = 7 - (i % 8);
761 for (j = 0; j < width; j++) {
762 GLint srcCol = j % 32;
763 GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70;
764 for (k = 0; k < components; k++) {
765 *imgPtr++ = texel;
766 }
767 }
768 }
769 }
770 }
771 #endif
772
773 return data;
774 }
775 #endif
776
777
778
779 /**
780 * Set the size and format-related fields of a gl_texture_image struct
781 * to zero. This is used when a proxy texture test fails.
782 */
783 static void
784 clear_teximage_fields(struct gl_texture_image *img)
785 {
786 assert(img);
787 img->_BaseFormat = 0;
788 img->InternalFormat = 0;
789 img->Border = 0;
790 img->Width = 0;
791 img->Height = 0;
792 img->Depth = 0;
793 img->Width2 = 0;
794 img->Height2 = 0;
795 img->Depth2 = 0;
796 img->WidthLog2 = 0;
797 img->HeightLog2 = 0;
798 img->DepthLog2 = 0;
799 img->TexFormat = MESA_FORMAT_NONE;
800 img->NumSamples = 0;
801 img->FixedSampleLocations = GL_TRUE;
802 }
803
804
805 /**
806 * Initialize basic fields of the gl_texture_image struct.
807 *
808 * \param ctx GL context.
809 * \param img texture image structure to be initialized.
810 * \param width image width.
811 * \param height image height.
812 * \param depth image depth.
813 * \param border image border.
814 * \param internalFormat internal format.
815 * \param format the actual hardware format (one of MESA_FORMAT_*)
816 * \param numSamples number of samples per texel, or zero for non-MS.
817 * \param fixedSampleLocations are sample locations fixed?
818 *
819 * Fills in the fields of \p img with the given information.
820 * Note: width, height and depth include the border.
821 */
822 void
823 _mesa_init_teximage_fields_ms(struct gl_context *ctx,
824 struct gl_texture_image *img,
825 GLsizei width, GLsizei height, GLsizei depth,
826 GLint border, GLenum internalFormat,
827 mesa_format format,
828 GLuint numSamples, GLboolean fixedSampleLocations)
829 {
830 const GLint base_format =_mesa_base_tex_format(ctx, internalFormat);
831 GLenum target;
832 assert(img);
833 assert(width >= 0);
834 assert(height >= 0);
835 assert(depth >= 0);
836
837 target = img->TexObject->Target;
838 assert(base_format != -1);
839 img->_BaseFormat = (GLenum16)base_format;
840 img->InternalFormat = internalFormat;
841 img->Border = border;
842 img->Width = width;
843 img->Height = height;
844 img->Depth = depth;
845
846 img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */
847 img->WidthLog2 = _mesa_logbase2(img->Width2);
848
849 switch(target) {
850 case GL_TEXTURE_1D:
851 case GL_TEXTURE_BUFFER:
852 case GL_PROXY_TEXTURE_1D:
853 if (height == 0)
854 img->Height2 = 0;
855 else
856 img->Height2 = 1;
857 img->HeightLog2 = 0;
858 if (depth == 0)
859 img->Depth2 = 0;
860 else
861 img->Depth2 = 1;
862 img->DepthLog2 = 0;
863 break;
864 case GL_TEXTURE_1D_ARRAY:
865 case GL_PROXY_TEXTURE_1D_ARRAY:
866 img->Height2 = height; /* no border */
867 img->HeightLog2 = 0; /* not used */
868 if (depth == 0)
869 img->Depth2 = 0;
870 else
871 img->Depth2 = 1;
872 img->DepthLog2 = 0;
873 break;
874 case GL_TEXTURE_2D:
875 case GL_TEXTURE_RECTANGLE:
876 case GL_TEXTURE_CUBE_MAP:
877 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
878 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
879 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
880 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
881 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
882 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
883 case GL_TEXTURE_EXTERNAL_OES:
884 case GL_PROXY_TEXTURE_2D:
885 case GL_PROXY_TEXTURE_RECTANGLE:
886 case GL_PROXY_TEXTURE_CUBE_MAP:
887 case GL_TEXTURE_2D_MULTISAMPLE:
888 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
889 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
890 img->HeightLog2 = _mesa_logbase2(img->Height2);
891 if (depth == 0)
892 img->Depth2 = 0;
893 else
894 img->Depth2 = 1;
895 img->DepthLog2 = 0;
896 break;
897 case GL_TEXTURE_2D_ARRAY:
898 case GL_PROXY_TEXTURE_2D_ARRAY:
899 case GL_TEXTURE_CUBE_MAP_ARRAY:
900 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
901 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
902 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
903 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
904 img->HeightLog2 = _mesa_logbase2(img->Height2);
905 img->Depth2 = depth; /* no border */
906 img->DepthLog2 = 0; /* not used */
907 break;
908 case GL_TEXTURE_3D:
909 case GL_PROXY_TEXTURE_3D:
910 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
911 img->HeightLog2 = _mesa_logbase2(img->Height2);
912 img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */
913 img->DepthLog2 = _mesa_logbase2(img->Depth2);
914 break;
915 default:
916 _mesa_problem(NULL, "invalid target 0x%x in _mesa_init_teximage_fields()",
917 target);
918 }
919
920 img->MaxNumLevels =
921 _mesa_get_tex_max_num_levels(target,
922 img->Width2, img->Height2, img->Depth2);
923 img->TexFormat = format;
924 img->NumSamples = numSamples;
925 img->FixedSampleLocations = fixedSampleLocations;
926 }
927
928
929 void
930 _mesa_init_teximage_fields(struct gl_context *ctx,
931 struct gl_texture_image *img,
932 GLsizei width, GLsizei height, GLsizei depth,
933 GLint border, GLenum internalFormat,
934 mesa_format format)
935 {
936 _mesa_init_teximage_fields_ms(ctx, img, width, height, depth, border,
937 internalFormat, format, 0, GL_TRUE);
938 }
939
940
941 /**
942 * Free and clear fields of the gl_texture_image struct.
943 *
944 * \param ctx GL context.
945 * \param texImage texture image structure to be cleared.
946 *
947 * After the call, \p texImage will have no data associated with it. Its
948 * fields are cleared so that its parent object will test incomplete.
949 */
950 void
951 _mesa_clear_texture_image(struct gl_context *ctx,
952 struct gl_texture_image *texImage)
953 {
954 ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
955 clear_teximage_fields(texImage);
956 }
957
958
959 /**
960 * Check the width, height, depth and border of a texture image are legal.
961 * Used by all the glTexImage, glCompressedTexImage and glCopyTexImage
962 * functions.
963 * The target and level parameters will have already been validated.
964 * \return GL_TRUE if size is OK, GL_FALSE otherwise.
965 */
966 GLboolean
967 _mesa_legal_texture_dimensions(struct gl_context *ctx, GLenum target,
968 GLint level, GLint width, GLint height,
969 GLint depth, GLint border)
970 {
971 GLint maxSize;
972
973 switch (target) {
974 case GL_TEXTURE_1D:
975 case GL_PROXY_TEXTURE_1D:
976 maxSize = ctx->Const.MaxTextureSize >> level;
977 if (width < 2 * border || width > 2 * border + maxSize)
978 return GL_FALSE;
979 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
980 if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
981 return GL_FALSE;
982 }
983 return GL_TRUE;
984
985 case GL_TEXTURE_2D:
986 case GL_PROXY_TEXTURE_2D:
987 case GL_TEXTURE_2D_MULTISAMPLE:
988 case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
989 maxSize = ctx->Const.MaxTextureSize >> level;
990 if (width < 2 * border || width > 2 * border + maxSize)
991 return GL_FALSE;
992 if (height < 2 * border || height > 2 * border + maxSize)
993 return GL_FALSE;
994 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
995 if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
996 return GL_FALSE;
997 if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
998 return GL_FALSE;
999 }
1000 return GL_TRUE;
1001
1002 case GL_TEXTURE_3D:
1003 case GL_PROXY_TEXTURE_3D:
1004 maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
1005 maxSize >>= level;
1006 if (width < 2 * border || width > 2 * border + maxSize)
1007 return GL_FALSE;
1008 if (height < 2 * border || height > 2 * border + maxSize)
1009 return GL_FALSE;
1010 if (depth < 2 * border || depth > 2 * border + maxSize)
1011 return GL_FALSE;
1012 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1013 if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
1014 return GL_FALSE;
1015 if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
1016 return GL_FALSE;
1017 if (depth > 0 && !_mesa_is_pow_two(depth - 2 * border))
1018 return GL_FALSE;
1019 }
1020 return GL_TRUE;
1021
1022 case GL_TEXTURE_RECTANGLE_NV:
1023 case GL_PROXY_TEXTURE_RECTANGLE_NV:
1024 if (level != 0)
1025 return GL_FALSE;
1026 maxSize = ctx->Const.MaxTextureRectSize;
1027 if (width < 0 || width > maxSize)
1028 return GL_FALSE;
1029 if (height < 0 || height > maxSize)
1030 return GL_FALSE;
1031 return GL_TRUE;
1032
1033 case GL_TEXTURE_CUBE_MAP:
1034 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1035 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1036 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1037 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1038 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1039 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1040 case GL_PROXY_TEXTURE_CUBE_MAP:
1041 maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
1042 maxSize >>= level;
1043 if (width != height)
1044 return GL_FALSE;
1045 if (width < 2 * border || width > 2 * border + maxSize)
1046 return GL_FALSE;
1047 if (height < 2 * border || height > 2 * border + maxSize)
1048 return GL_FALSE;
1049 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1050 if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
1051 return GL_FALSE;
1052 if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
1053 return GL_FALSE;
1054 }
1055 return GL_TRUE;
1056
1057 case GL_TEXTURE_1D_ARRAY_EXT:
1058 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
1059 maxSize = ctx->Const.MaxTextureSize >> level;
1060 if (width < 2 * border || width > 2 * border + maxSize)
1061 return GL_FALSE;
1062 if (height < 0 || height > ctx->Const.MaxArrayTextureLayers)
1063 return GL_FALSE;
1064 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1065 if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
1066 return GL_FALSE;
1067 }
1068 return GL_TRUE;
1069
1070 case GL_TEXTURE_2D_ARRAY_EXT:
1071 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1072 case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
1073 case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
1074 maxSize = ctx->Const.MaxTextureSize >> level;
1075 if (width < 2 * border || width > 2 * border + maxSize)
1076 return GL_FALSE;
1077 if (height < 2 * border || height > 2 * border + maxSize)
1078 return GL_FALSE;
1079 if (depth < 0 || depth > ctx->Const.MaxArrayTextureLayers)
1080 return GL_FALSE;
1081 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1082 if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
1083 return GL_FALSE;
1084 if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
1085 return GL_FALSE;
1086 }
1087 return GL_TRUE;
1088
1089 case GL_TEXTURE_CUBE_MAP_ARRAY:
1090 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1091 maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
1092 if (width < 2 * border || width > 2 * border + maxSize)
1093 return GL_FALSE;
1094 if (height < 2 * border || height > 2 * border + maxSize)
1095 return GL_FALSE;
1096 if (depth < 0 || depth > ctx->Const.MaxArrayTextureLayers || depth % 6)
1097 return GL_FALSE;
1098 if (width != height)
1099 return GL_FALSE;
1100 if (level >= ctx->Const.MaxCubeTextureLevels)
1101 return GL_FALSE;
1102 if (!ctx->Extensions.ARB_texture_non_power_of_two) {
1103 if (width > 0 && !_mesa_is_pow_two(width - 2 * border))
1104 return GL_FALSE;
1105 if (height > 0 && !_mesa_is_pow_two(height - 2 * border))
1106 return GL_FALSE;
1107 }
1108 return GL_TRUE;
1109 default:
1110 _mesa_problem(ctx, "Invalid target in _mesa_legal_texture_dimensions()");
1111 return GL_FALSE;
1112 }
1113 }
1114
1115 static bool
1116 error_check_subtexture_negative_dimensions(struct gl_context *ctx,
1117 GLuint dims,
1118 GLsizei subWidth,
1119 GLsizei subHeight,
1120 GLsizei subDepth,
1121 const char *func)
1122 {
1123 /* Check size */
1124 if (subWidth < 0) {
1125 _mesa_error(ctx, GL_INVALID_VALUE, "%s(width=%d)", func, subWidth);
1126 return true;
1127 }
1128
1129 if (dims > 1 && subHeight < 0) {
1130 _mesa_error(ctx, GL_INVALID_VALUE, "%s(height=%d)", func, subHeight);
1131 return true;
1132 }
1133
1134 if (dims > 2 && subDepth < 0) {
1135 _mesa_error(ctx, GL_INVALID_VALUE, "%s(depth=%d)", func, subDepth);
1136 return true;
1137 }
1138
1139 return false;
1140 }
1141
1142 /**
1143 * Do error checking of xoffset, yoffset, zoffset, width, height and depth
1144 * for glTexSubImage, glCopyTexSubImage and glCompressedTexSubImage.
1145 * \param destImage the destination texture image.
1146 * \return GL_TRUE if error found, GL_FALSE otherwise.
1147 */
1148 static GLboolean
1149 error_check_subtexture_dimensions(struct gl_context *ctx, GLuint dims,
1150 const struct gl_texture_image *destImage,
1151 GLint xoffset, GLint yoffset, GLint zoffset,
1152 GLsizei subWidth, GLsizei subHeight,
1153 GLsizei subDepth, const char *func)
1154 {
1155 const GLenum target = destImage->TexObject->Target;
1156 GLuint bw, bh, bd;
1157
1158 /* check xoffset and width */
1159 if (xoffset < - (GLint) destImage->Border) {
1160 _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset)", func);
1161 return GL_TRUE;
1162 }
1163
1164 if (xoffset + subWidth > (GLint) destImage->Width) {
1165 _mesa_error(ctx, GL_INVALID_VALUE, "%s(xoffset %d + width %d > %u)", func,
1166 xoffset, subWidth, destImage->Width);
1167 return GL_TRUE;
1168 }
1169
1170 /* check yoffset and height */
1171 if (dims > 1) {
1172 GLint yBorder = (target == GL_TEXTURE_1D_ARRAY) ? 0 : destImage->Border;
1173 if (yoffset < -yBorder) {
1174 _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset)", func);
1175 return GL_TRUE;
1176 }
1177 if (yoffset + subHeight > (GLint) destImage->Height) {
1178 _mesa_error(ctx, GL_INVALID_VALUE, "%s(yoffset %d + height %d > %u)",
1179 func, yoffset, subHeight, destImage->Height);
1180 return GL_TRUE;
1181 }
1182 }
1183
1184 /* check zoffset and depth */
1185 if (dims > 2) {
1186 GLint depth;
1187 GLint zBorder = (target == GL_TEXTURE_2D_ARRAY ||
1188 target == GL_TEXTURE_CUBE_MAP_ARRAY) ?
1189 0 : destImage->Border;
1190
1191 if (zoffset < -zBorder) {
1192 _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset)", func);
1193 return GL_TRUE;
1194 }
1195
1196 depth = (GLint) destImage->Depth;
1197 if (target == GL_TEXTURE_CUBE_MAP)
1198 depth = 6;
1199 if (zoffset + subDepth > depth) {
1200 _mesa_error(ctx, GL_INVALID_VALUE, "%s(zoffset %d + depth %d > %u)",
1201 func, zoffset, subDepth, depth);
1202 return GL_TRUE;
1203 }
1204 }
1205
1206 /*
1207 * The OpenGL spec (and GL_ARB_texture_compression) says only whole
1208 * compressed texture images can be updated. But, that restriction may be
1209 * relaxed for particular compressed formats. At this time, all the
1210 * compressed formats supported by Mesa allow sub-textures to be updated
1211 * along compressed block boundaries.
1212 */
1213 _mesa_get_format_block_size_3d(destImage->TexFormat, &bw, &bh, &bd);
1214
1215 if (bw != 1 || bh != 1 || bd != 1) {
1216 /* offset must be multiple of block size */
1217 if ((xoffset % bw != 0) || (yoffset % bh != 0) || (zoffset % bd != 0)) {
1218 _mesa_error(ctx, GL_INVALID_OPERATION,
1219 "%s(xoffset = %d, yoffset = %d, zoffset = %d)",
1220 func, xoffset, yoffset, zoffset);
1221 return GL_TRUE;
1222 }
1223
1224 /* The size must be a multiple of bw x bh, or we must be using a
1225 * offset+size that exactly hits the edge of the image. This
1226 * is important for small mipmap levels (1x1, 2x1, etc) and for
1227 * NPOT textures.
1228 */
1229 if ((subWidth % bw != 0) &&
1230 (xoffset + subWidth != (GLint) destImage->Width)) {
1231 _mesa_error(ctx, GL_INVALID_OPERATION,
1232 "%s(width = %d)", func, subWidth);
1233 return GL_TRUE;
1234 }
1235
1236 if ((subHeight % bh != 0) &&
1237 (yoffset + subHeight != (GLint) destImage->Height)) {
1238 _mesa_error(ctx, GL_INVALID_OPERATION,
1239 "%s(height = %d)", func, subHeight);
1240 return GL_TRUE;
1241 }
1242
1243 if ((subDepth % bd != 0) &&
1244 (zoffset + subDepth != (GLint) destImage->Depth)) {
1245 _mesa_error(ctx, GL_INVALID_OPERATION,
1246 "%s(depth = %d)", func, subDepth);
1247 return GL_TRUE;
1248 }
1249 }
1250
1251 return GL_FALSE;
1252 }
1253
1254
1255
1256
1257 /**
1258 * This is the fallback for Driver.TestProxyTexImage() for doing device-
1259 * specific texture image size checks.
1260 *
1261 * A hardware driver might override this function if, for example, the
1262 * max 3D texture size is 512x512x64 (i.e. not a cube).
1263 *
1264 * Note that width, height, depth == 0 is not an error. However, a
1265 * texture with zero width/height/depth will be considered "incomplete"
1266 * and texturing will effectively be disabled.
1267 *
1268 * \param target any texture target/type
1269 * \param numLevels number of mipmap levels in the texture or 0 if not known
1270 * \param level as passed to glTexImage
1271 * \param format the MESA_FORMAT_x for the tex image
1272 * \param numSamples number of samples per texel
1273 * \param width as passed to glTexImage
1274 * \param height as passed to glTexImage
1275 * \param depth as passed to glTexImage
1276 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
1277 */
1278 GLboolean
1279 _mesa_test_proxy_teximage(struct gl_context *ctx, GLenum target,
1280 GLuint numLevels, ASSERTED GLint level,
1281 mesa_format format, GLuint numSamples,
1282 GLint width, GLint height, GLint depth)
1283 {
1284 uint64_t bytes, mbytes;
1285
1286 if (numLevels > 0) {
1287 /* Compute total memory for a whole mipmap. This is the path
1288 * taken for glTexStorage(GL_PROXY_TEXTURE_x).
1289 */
1290 unsigned l;
1291
1292 assert(level == 0);
1293
1294 bytes = 0;
1295
1296 for (l = 0; l < numLevels; l++) {
1297 GLint nextWidth, nextHeight, nextDepth;
1298
1299 bytes += _mesa_format_image_size64(format, width, height, depth);
1300
1301 if (_mesa_next_mipmap_level_size(target, 0, width, height, depth,
1302 &nextWidth, &nextHeight,
1303 &nextDepth)) {
1304 width = nextWidth;
1305 height = nextHeight;
1306 depth = nextDepth;
1307 } else {
1308 break;
1309 }
1310 }
1311 } else {
1312 /* We just compute the size of one mipmap level. This is the path
1313 * taken for glTexImage(GL_PROXY_TEXTURE_x).
1314 */
1315 bytes = _mesa_format_image_size64(format, width, height, depth);
1316 }
1317
1318 bytes *= _mesa_num_tex_faces(target);
1319 bytes *= MAX2(1, numSamples);
1320
1321 mbytes = bytes / (1024 * 1024); /* convert to MB */
1322
1323 /* We just check if the image size is less than MaxTextureMbytes.
1324 * Some drivers may do more specific checks.
1325 */
1326 return mbytes <= (uint64_t) ctx->Const.MaxTextureMbytes;
1327 }
1328
1329
1330 /**
1331 * Return true if the format is only valid for glCompressedTexImage.
1332 */
1333 static bool
1334 compressedteximage_only_format(GLenum format)
1335 {
1336 switch (format) {
1337 case GL_PALETTE4_RGB8_OES:
1338 case GL_PALETTE4_RGBA8_OES:
1339 case GL_PALETTE4_R5_G6_B5_OES:
1340 case GL_PALETTE4_RGBA4_OES:
1341 case GL_PALETTE4_RGB5_A1_OES:
1342 case GL_PALETTE8_RGB8_OES:
1343 case GL_PALETTE8_RGBA8_OES:
1344 case GL_PALETTE8_R5_G6_B5_OES:
1345 case GL_PALETTE8_RGBA4_OES:
1346 case GL_PALETTE8_RGB5_A1_OES:
1347 case GL_ATC_RGB_AMD:
1348 case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
1349 case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
1350 return true;
1351 default:
1352 return false;
1353 }
1354 }
1355
1356 /**
1357 * Return true if the format doesn't support online compression.
1358 */
1359 bool
1360 _mesa_format_no_online_compression(GLenum format)
1361 {
1362 return _mesa_is_astc_format(format) ||
1363 _mesa_is_etc2_format(format) ||
1364 compressedteximage_only_format(format);
1365 }
1366
1367 /* Writes to an GL error pointer if non-null and returns whether or not the
1368 * error is GL_NO_ERROR */
1369 static bool
1370 write_error(GLenum *err_ptr, GLenum error)
1371 {
1372 if (err_ptr)
1373 *err_ptr = error;
1374
1375 return error == GL_NO_ERROR;
1376 }
1377
1378 /**
1379 * Helper function to determine whether a target and specific compression
1380 * format are supported. The error parameter returns GL_NO_ERROR if the
1381 * target can be compressed. Otherwise it returns either GL_INVALID_OPERATION
1382 * or GL_INVALID_ENUM, whichever is more appropriate.
1383 */
1384 GLboolean
1385 _mesa_target_can_be_compressed(const struct gl_context *ctx, GLenum target,
1386 GLenum intFormat, GLenum *error)
1387 {
1388 GLboolean target_can_be_compresed = GL_FALSE;
1389 mesa_format format = _mesa_glenum_to_compressed_format(intFormat);
1390 enum mesa_format_layout layout = _mesa_get_format_layout(format);
1391
1392 switch (target) {
1393 case GL_TEXTURE_2D:
1394 case GL_PROXY_TEXTURE_2D:
1395 target_can_be_compresed = GL_TRUE; /* true for any compressed format so far */
1396 break;
1397 case GL_PROXY_TEXTURE_CUBE_MAP:
1398 case GL_TEXTURE_CUBE_MAP:
1399 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1400 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1401 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1402 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1403 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1404 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1405 target_can_be_compresed = ctx->Extensions.ARB_texture_cube_map;
1406 break;
1407 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1408 case GL_TEXTURE_2D_ARRAY_EXT:
1409 target_can_be_compresed = ctx->Extensions.EXT_texture_array;
1410 break;
1411 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1412 case GL_TEXTURE_CUBE_MAP_ARRAY:
1413 /* From the KHR_texture_compression_astc_hdr spec:
1414 *
1415 * Add a second new column "3D Tex." which is empty for all non-ASTC
1416 * formats. If only the LDR profile is supported by the
1417 * implementation, this column is also empty for all ASTC formats. If
1418 * both the LDR and HDR profiles are supported only, this column is
1419 * checked for all ASTC formats.
1420 *
1421 * Add a third new column "Cube Map Array Tex." which is empty for all
1422 * non-ASTC formats, and checked for all ASTC formats.
1423 *
1424 * and,
1425 *
1426 * 'An INVALID_OPERATION error is generated by CompressedTexImage3D
1427 * if <internalformat> is TEXTURE_CUBE_MAP_ARRAY and the
1428 * "Cube Map Array" column of table 8.19 is *not* checked, or if
1429 * <internalformat> is TEXTURE_3D and the "3D Tex." column of table
1430 * 8.19 is *not* checked'
1431 *
1432 * The instances of <internalformat> above should say <target>.
1433 *
1434 * ETC2/EAC formats are the only alternative in GLES and thus such errors
1435 * have already been handled by normal ETC2/EAC behavior.
1436 */
1437
1438 /* From section 3.8.6, page 146 of OpenGL ES 3.0 spec:
1439 *
1440 * "The ETC2/EAC texture compression algorithm supports only
1441 * two-dimensional images. If internalformat is an ETC2/EAC format,
1442 * glCompressedTexImage3D will generate an INVALID_OPERATION error if
1443 * target is not TEXTURE_2D_ARRAY."
1444 *
1445 * This should also be applicable for glTexStorage3D(). Other available
1446 * targets for these functions are: TEXTURE_3D and TEXTURE_CUBE_MAP_ARRAY.
1447 *
1448 * Section 8.7, page 179 of OpenGL ES 3.2 adds:
1449 *
1450 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1451 * if internalformat is one of the the formats in table 8.17 and target is
1452 * not TEXTURE_2D_ARRAY, TEXTURE_CUBE_MAP_ARRAY or TEXTURE_3D.
1453 *
1454 * An INVALID_OPERATION error is generated by CompressedTexImage3D
1455 * if internalformat is TEXTURE_CUBE_MAP_ARRAY and the “Cube Map
1456 * Array” column of table 8.17 is not checked, or if internalformat
1457 * is TEXTURE_- 3D and the “3D Tex.” column of table 8.17 is not
1458 * checked.
1459 *
1460 * The instances of <internalformat> above should say <target>.
1461 *
1462 * Such table 8.17 has checked "Cube Map Array" column for all the
1463 * cases. So in practice, TEXTURE_CUBE_MAP_ARRAY is now valid for OpenGL ES 3.2
1464 */
1465 if (layout == MESA_FORMAT_LAYOUT_ETC2 && _mesa_is_gles3(ctx) &&
1466 !_mesa_is_gles32(ctx))
1467 return write_error(error, GL_INVALID_OPERATION);
1468 target_can_be_compresed = _mesa_has_texture_cube_map_array(ctx);
1469 break;
1470 case GL_TEXTURE_3D:
1471 switch (layout) {
1472 case MESA_FORMAT_LAYOUT_ETC2:
1473 /* See ETC2/EAC comment in case GL_TEXTURE_CUBE_MAP_ARRAY. */
1474 if (_mesa_is_gles3(ctx))
1475 return write_error(error, GL_INVALID_OPERATION);
1476 break;
1477 case MESA_FORMAT_LAYOUT_BPTC:
1478 target_can_be_compresed = ctx->Extensions.ARB_texture_compression_bptc;
1479 break;
1480 case MESA_FORMAT_LAYOUT_ASTC:
1481 target_can_be_compresed =
1482 ctx->Extensions.KHR_texture_compression_astc_hdr ||
1483 ctx->Extensions.KHR_texture_compression_astc_sliced_3d;
1484
1485 /* Throw an INVALID_OPERATION error if the target is TEXTURE_3D and
1486 * neither of the above extensions are supported. See comment in
1487 * switch case GL_TEXTURE_CUBE_MAP_ARRAY for more info.
1488 */
1489 if (!target_can_be_compresed)
1490 return write_error(error, GL_INVALID_OPERATION);
1491 break;
1492 default:
1493 break;
1494 }
1495 default:
1496 break;
1497 }
1498 return write_error(error,
1499 target_can_be_compresed ? GL_NO_ERROR : GL_INVALID_ENUM);
1500 }
1501
1502
1503 /**
1504 * Check if the given texture target value is legal for a
1505 * glTexImage1/2/3D call.
1506 */
1507 static GLboolean
1508 legal_teximage_target(struct gl_context *ctx, GLuint dims, GLenum target)
1509 {
1510 switch (dims) {
1511 case 1:
1512 switch (target) {
1513 case GL_TEXTURE_1D:
1514 case GL_PROXY_TEXTURE_1D:
1515 return _mesa_is_desktop_gl(ctx);
1516 default:
1517 return GL_FALSE;
1518 }
1519 case 2:
1520 switch (target) {
1521 case GL_TEXTURE_2D:
1522 return GL_TRUE;
1523 case GL_PROXY_TEXTURE_2D:
1524 return _mesa_is_desktop_gl(ctx);
1525 case GL_PROXY_TEXTURE_CUBE_MAP:
1526 return _mesa_is_desktop_gl(ctx)
1527 && ctx->Extensions.ARB_texture_cube_map;
1528 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1529 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1530 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1531 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1532 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1533 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1534 return ctx->Extensions.ARB_texture_cube_map;
1535 case GL_TEXTURE_RECTANGLE_NV:
1536 case GL_PROXY_TEXTURE_RECTANGLE_NV:
1537 return _mesa_is_desktop_gl(ctx)
1538 && ctx->Extensions.NV_texture_rectangle;
1539 case GL_TEXTURE_1D_ARRAY_EXT:
1540 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
1541 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array;
1542 default:
1543 return GL_FALSE;
1544 }
1545 case 3:
1546 switch (target) {
1547 case GL_TEXTURE_3D:
1548 return GL_TRUE;
1549 case GL_PROXY_TEXTURE_3D:
1550 return _mesa_is_desktop_gl(ctx);
1551 case GL_TEXTURE_2D_ARRAY_EXT:
1552 return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array)
1553 || _mesa_is_gles3(ctx);
1554 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1555 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array;
1556 case GL_TEXTURE_CUBE_MAP_ARRAY:
1557 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1558 return _mesa_has_texture_cube_map_array(ctx);
1559 default:
1560 return GL_FALSE;
1561 }
1562 default:
1563 _mesa_problem(ctx, "invalid dims=%u in legal_teximage_target()", dims);
1564 return GL_FALSE;
1565 }
1566 }
1567
1568
1569 /**
1570 * Check if the given texture target value is legal for a
1571 * glTexSubImage, glCopyTexSubImage or glCopyTexImage call.
1572 * The difference compared to legal_teximage_target() above is that
1573 * proxy targets are not supported.
1574 */
1575 static GLboolean
1576 legal_texsubimage_target(struct gl_context *ctx, GLuint dims, GLenum target,
1577 bool dsa)
1578 {
1579 switch (dims) {
1580 case 1:
1581 return _mesa_is_desktop_gl(ctx) && target == GL_TEXTURE_1D;
1582 case 2:
1583 switch (target) {
1584 case GL_TEXTURE_2D:
1585 return GL_TRUE;
1586 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
1587 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
1588 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
1589 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
1590 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
1591 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
1592 return ctx->Extensions.ARB_texture_cube_map;
1593 case GL_TEXTURE_RECTANGLE_NV:
1594 return _mesa_is_desktop_gl(ctx)
1595 && ctx->Extensions.NV_texture_rectangle;
1596 case GL_TEXTURE_1D_ARRAY_EXT:
1597 return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array;
1598 default:
1599 return GL_FALSE;
1600 }
1601 case 3:
1602 switch (target) {
1603 case GL_TEXTURE_3D:
1604 return GL_TRUE;
1605 case GL_TEXTURE_2D_ARRAY_EXT:
1606 return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array)
1607 || _mesa_is_gles3(ctx);
1608 case GL_TEXTURE_CUBE_MAP_ARRAY:
1609 case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY:
1610 return _mesa_has_texture_cube_map_array(ctx);
1611
1612 /* Table 8.15 of the OpenGL 4.5 core profile spec
1613 * (20141030) says that TEXTURE_CUBE_MAP is valid for TextureSubImage3D
1614 * and CopyTextureSubImage3D.
1615 */
1616 case GL_TEXTURE_CUBE_MAP:
1617 return dsa;
1618 default:
1619 return GL_FALSE;
1620 }
1621 default:
1622 _mesa_problem(ctx, "invalid dims=%u in legal_texsubimage_target()",
1623 dims);
1624 return GL_FALSE;
1625 }
1626 }
1627
1628
1629 /**
1630 * Helper function to determine if a texture object is mutable (in terms
1631 * of GL_ARB_texture_storage/GL_ARB_bindless_texture).
1632 */
1633 static GLboolean
1634 mutable_tex_object(struct gl_texture_object *texObj)
1635 {
1636 if (!texObj)
1637 return GL_FALSE;
1638
1639 if (texObj->HandleAllocated) {
1640 /* The ARB_bindless_texture spec says:
1641 *
1642 * "The error INVALID_OPERATION is generated by TexImage*, CopyTexImage*,
1643 * CompressedTexImage*, TexBuffer*, TexParameter*, as well as other
1644 * functions defined in terms of these, if the texture object to be
1645 * modified is referenced by one or more texture or image handles."
1646 */
1647 return GL_FALSE;
1648 }
1649
1650 return !texObj->Immutable;
1651 }
1652
1653
1654 /**
1655 * Return expected size of a compressed texture.
1656 */
1657 static GLuint
1658 compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
1659 GLenum glformat)
1660 {
1661 mesa_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
1662 return _mesa_format_image_size(mesaFormat, width, height, depth);
1663 }
1664
1665 /**
1666 * Verify that a texture format is valid with a particular target
1667 *
1668 * In particular, textures with base format of \c GL_DEPTH_COMPONENT or
1669 * \c GL_DEPTH_STENCIL are only valid with certain, context dependent texture
1670 * targets.
1671 *
1672 * \param ctx GL context
1673 * \param target Texture target
1674 * \param internalFormat Internal format of the texture image
1675 *
1676 * \returns true if the combination is legal, false otherwise.
1677 */
1678 bool
1679 _mesa_legal_texture_base_format_for_target(struct gl_context *ctx,
1680 GLenum target, GLenum internalFormat)
1681 {
1682 if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT
1683 || _mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_STENCIL
1684 || _mesa_base_tex_format(ctx, internalFormat) == GL_STENCIL_INDEX) {
1685 /* Section 3.8.3 (Texture Image Specification) of the OpenGL 3.3 Core
1686 * Profile spec says:
1687 *
1688 * "Textures with a base internal format of DEPTH_COMPONENT or
1689 * DEPTH_STENCIL are supported by texture image specification
1690 * commands only if target is TEXTURE_1D, TEXTURE_2D,
1691 * TEXTURE_1D_ARRAY, TEXTURE_2D_ARRAY, TEXTURE_RECTANGLE,
1692 * TEXTURE_CUBE_MAP, PROXY_TEXTURE_1D, PROXY_TEXTURE_2D,
1693 * PROXY_TEXTURE_1D_ARRAY, PROXY_TEXTURE_2D_ARRAY,
1694 * PROXY_TEXTURE_RECTANGLE, or PROXY_TEXTURE_CUBE_MAP. Using these
1695 * formats in conjunction with any other target will result in an
1696 * INVALID_OPERATION error."
1697 *
1698 * Cubemaps are only supported with desktop OpenGL version >= 3.0,
1699 * EXT_gpu_shader4, or, on OpenGL ES 2.0+, OES_depth_texture_cube_map.
1700 */
1701 if (target != GL_TEXTURE_1D &&
1702 target != GL_PROXY_TEXTURE_1D &&
1703 target != GL_TEXTURE_2D &&
1704 target != GL_PROXY_TEXTURE_2D &&
1705 target != GL_TEXTURE_1D_ARRAY &&
1706 target != GL_PROXY_TEXTURE_1D_ARRAY &&
1707 target != GL_TEXTURE_2D_ARRAY &&
1708 target != GL_PROXY_TEXTURE_2D_ARRAY &&
1709 target != GL_TEXTURE_RECTANGLE_ARB &&
1710 target != GL_PROXY_TEXTURE_RECTANGLE_ARB &&
1711 !((_mesa_is_cube_face(target) ||
1712 target == GL_TEXTURE_CUBE_MAP ||
1713 target == GL_PROXY_TEXTURE_CUBE_MAP) &&
1714 (ctx->Version >= 30 || ctx->Extensions.EXT_gpu_shader4
1715 || (ctx->API == API_OPENGLES2 && ctx->Extensions.OES_depth_texture_cube_map))) &&
1716 !((target == GL_TEXTURE_CUBE_MAP_ARRAY ||
1717 target == GL_PROXY_TEXTURE_CUBE_MAP_ARRAY) &&
1718 _mesa_has_texture_cube_map_array(ctx))) {
1719 return false;
1720 }
1721 }
1722
1723 return true;
1724 }
1725
1726 static bool
1727 texture_formats_agree(GLenum internalFormat,
1728 GLenum format)
1729 {
1730 GLboolean colorFormat;
1731 GLboolean is_format_depth_or_depthstencil;
1732 GLboolean is_internalFormat_depth_or_depthstencil;
1733
1734 /* Even though there are no color-index textures, we still have to support
1735 * uploading color-index data and remapping it to RGB via the
1736 * GL_PIXEL_MAP_I_TO_[RGBA] tables.
1737 */
1738 const GLboolean indexFormat = (format == GL_COLOR_INDEX);
1739
1740 is_internalFormat_depth_or_depthstencil =
1741 _mesa_is_depth_format(internalFormat) ||
1742 _mesa_is_depthstencil_format(internalFormat);
1743
1744 is_format_depth_or_depthstencil =
1745 _mesa_is_depth_format(format) ||
1746 _mesa_is_depthstencil_format(format);
1747
1748 colorFormat = _mesa_is_color_format(format);
1749
1750 if (_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat)
1751 return false;
1752
1753 if (is_internalFormat_depth_or_depthstencil !=
1754 is_format_depth_or_depthstencil)
1755 return false;
1756
1757 if (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format))
1758 return false;
1759
1760 return true;
1761 }
1762
1763 /**
1764 * Test the combination of format, type and internal format arguments of
1765 * different texture operations on GLES.
1766 *
1767 * \param ctx GL context.
1768 * \param format pixel data format given by the user.
1769 * \param type pixel data type given by the user.
1770 * \param internalFormat internal format given by the user.
1771 * \param callerName name of the caller function to print in the error message
1772 *
1773 * \return true if a error is found, false otherwise
1774 *
1775 * Currently, it is used by texture_error_check() and texsubimage_error_check().
1776 */
1777 static bool
1778 texture_format_error_check_gles(struct gl_context *ctx, GLenum format,
1779 GLenum type, GLenum internalFormat, const char *callerName)
1780 {
1781 GLenum err = _mesa_gles_error_check_format_and_type(ctx, format, type,
1782 internalFormat);
1783 if (err != GL_NO_ERROR) {
1784 _mesa_error(ctx, err,
1785 "%s(format = %s, type = %s, internalformat = %s)",
1786 callerName, _mesa_enum_to_string(format),
1787 _mesa_enum_to_string(type),
1788 _mesa_enum_to_string(internalFormat));
1789 return true;
1790 }
1791
1792 return false;
1793 }
1794
1795 /**
1796 * Test the glTexImage[123]D() parameters for errors.
1797 *
1798 * \param ctx GL context.
1799 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1800 * \param target texture target given by the user (already validated).
1801 * \param level image level given by the user.
1802 * \param internalFormat internal format given by the user.
1803 * \param format pixel data format given by the user.
1804 * \param type pixel data type given by the user.
1805 * \param width image width given by the user.
1806 * \param height image height given by the user.
1807 * \param depth image depth given by the user.
1808 * \param border image border given by the user.
1809 *
1810 * \return GL_TRUE if a error is found, GL_FALSE otherwise
1811 *
1812 * Verifies each of the parameters against the constants specified in
1813 * __struct gl_contextRec::Const and the supported extensions, and according
1814 * to the OpenGL specification.
1815 * Note that we don't fully error-check the width, height, depth values
1816 * here. That's done in _mesa_legal_texture_dimensions() which is used
1817 * by several other GL entrypoints. Plus, texture dims have a special
1818 * interaction with proxy textures.
1819 */
1820 static GLboolean
1821 texture_error_check( struct gl_context *ctx,
1822 GLuint dimensions, GLenum target,
1823 struct gl_texture_object* texObj,
1824 GLint level, GLint internalFormat,
1825 GLenum format, GLenum type,
1826 GLint width, GLint height,
1827 GLint depth, GLint border,
1828 const GLvoid *pixels )
1829 {
1830 GLenum err;
1831
1832 /* Note: for proxy textures, some error conditions immediately generate
1833 * a GL error in the usual way. But others do not generate a GL error.
1834 * Instead, they cause the width, height, depth, format fields of the
1835 * texture image to be zeroed-out. The GL spec seems to indicate that the
1836 * zero-out behaviour is only used in cases related to memory allocation.
1837 */
1838
1839 /* level check */
1840 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
1841 _mesa_error(ctx, GL_INVALID_VALUE,
1842 "glTexImage%dD(level=%d)", dimensions, level);
1843 return GL_TRUE;
1844 }
1845
1846 /* Check border */
1847 if (border < 0 || border > 1 ||
1848 ((ctx->API != API_OPENGL_COMPAT ||
1849 target == GL_TEXTURE_RECTANGLE_NV ||
1850 target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
1851 _mesa_error(ctx, GL_INVALID_VALUE,
1852 "glTexImage%dD(border=%d)", dimensions, border);
1853 return GL_TRUE;
1854 }
1855
1856 if (width < 0 || height < 0 || depth < 0) {
1857 _mesa_error(ctx, GL_INVALID_VALUE,
1858 "glTexImage%dD(width, height or depth < 0)", dimensions);
1859 return GL_TRUE;
1860 }
1861
1862 /* Check incoming image format and type */
1863 err = _mesa_error_check_format_and_type(ctx, format, type);
1864 if (err != GL_NO_ERROR) {
1865 /* Prior to OpenGL-ES 2.0, an INVALID_VALUE is expected instead of
1866 * INVALID_ENUM. From page 73 OpenGL ES 1.1 spec:
1867 *
1868 * "Specifying a value for internalformat that is not one of the
1869 * above (acceptable) values generates the error INVALID VALUE."
1870 */
1871 if (err == GL_INVALID_ENUM && _mesa_is_gles(ctx) && ctx->Version < 20)
1872 err = GL_INVALID_VALUE;
1873
1874 _mesa_error(ctx, err,
1875 "glTexImage%dD(incompatible format = %s, type = %s)",
1876 dimensions, _mesa_enum_to_string(format),
1877 _mesa_enum_to_string(type));
1878 return GL_TRUE;
1879 }
1880
1881 /* Check internalFormat */
1882 if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
1883 _mesa_error(ctx, GL_INVALID_VALUE,
1884 "glTexImage%dD(internalFormat=%s)",
1885 dimensions, _mesa_enum_to_string(internalFormat));
1886 return GL_TRUE;
1887 }
1888
1889 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
1890 * combinations of format, internalFormat, and type that can be used.
1891 * Formats and types that require additional extensions (e.g., GL_FLOAT
1892 * requires GL_OES_texture_float) are filtered elsewhere.
1893 */
1894 char bufCallerName[20];
1895 _mesa_snprintf(bufCallerName, 20, "glTexImage%dD", dimensions);
1896 if (_mesa_is_gles(ctx) &&
1897 texture_format_error_check_gles(ctx, format, type,
1898 internalFormat, bufCallerName)) {
1899 return GL_TRUE;
1900 }
1901
1902 /* validate the bound PBO, if any */
1903 if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack,
1904 width, height, depth, format, type,
1905 INT_MAX, pixels, "glTexImage")) {
1906 return GL_TRUE;
1907 }
1908
1909 /* make sure internal format and format basically agree */
1910 if (!texture_formats_agree(internalFormat, format)) {
1911 _mesa_error(ctx, GL_INVALID_OPERATION,
1912 "glTexImage%dD(incompatible internalFormat = %s, format = %s)",
1913 dimensions, _mesa_enum_to_string(internalFormat),
1914 _mesa_enum_to_string(format));
1915 return GL_TRUE;
1916 }
1917
1918 /* additional checks for ycbcr textures */
1919 if (internalFormat == GL_YCBCR_MESA) {
1920 assert(ctx->Extensions.MESA_ycbcr_texture);
1921 if (type != GL_UNSIGNED_SHORT_8_8_MESA &&
1922 type != GL_UNSIGNED_SHORT_8_8_REV_MESA) {
1923 char message[100];
1924 _mesa_snprintf(message, sizeof(message),
1925 "glTexImage%dD(format/type YCBCR mismatch)",
1926 dimensions);
1927 _mesa_error(ctx, GL_INVALID_ENUM, "%s", message);
1928 return GL_TRUE; /* error */
1929 }
1930 if (target != GL_TEXTURE_2D &&
1931 target != GL_PROXY_TEXTURE_2D &&
1932 target != GL_TEXTURE_RECTANGLE_NV &&
1933 target != GL_PROXY_TEXTURE_RECTANGLE_NV) {
1934 _mesa_error(ctx, GL_INVALID_ENUM,
1935 "glTexImage%dD(bad target for YCbCr texture)",
1936 dimensions);
1937 return GL_TRUE;
1938 }
1939 if (border != 0) {
1940 char message[100];
1941 _mesa_snprintf(message, sizeof(message),
1942 "glTexImage%dD(format=GL_YCBCR_MESA and border=%d)",
1943 dimensions, border);
1944 _mesa_error(ctx, GL_INVALID_VALUE, "%s", message);
1945 return GL_TRUE;
1946 }
1947 }
1948
1949 /* additional checks for depth textures */
1950 if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalFormat)) {
1951 _mesa_error(ctx, GL_INVALID_OPERATION,
1952 "glTexImage%dD(bad target for texture)", dimensions);
1953 return GL_TRUE;
1954 }
1955
1956 /* additional checks for compressed textures */
1957 if (_mesa_is_compressed_format(ctx, internalFormat)) {
1958 GLenum err;
1959 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &err)) {
1960 _mesa_error(ctx, err,
1961 "glTexImage%dD(target can't be compressed)", dimensions);
1962 return GL_TRUE;
1963 }
1964 if (_mesa_format_no_online_compression(internalFormat)) {
1965 _mesa_error(ctx, GL_INVALID_OPERATION,
1966 "glTexImage%dD(no compression for format)", dimensions);
1967 return GL_TRUE;
1968 }
1969 if (border != 0) {
1970 _mesa_error(ctx, GL_INVALID_OPERATION,
1971 "glTexImage%dD(border!=0)", dimensions);
1972 return GL_TRUE;
1973 }
1974 }
1975
1976 /* additional checks for integer textures */
1977 if ((ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) &&
1978 (_mesa_is_enum_format_integer(format) !=
1979 _mesa_is_enum_format_integer(internalFormat))) {
1980 _mesa_error(ctx, GL_INVALID_OPERATION,
1981 "glTexImage%dD(integer/non-integer format mismatch)",
1982 dimensions);
1983 return GL_TRUE;
1984 }
1985
1986 if (!mutable_tex_object(texObj)) {
1987 _mesa_error(ctx, GL_INVALID_OPERATION,
1988 "glTexImage%dD(immutable texture)", dimensions);
1989 return GL_TRUE;
1990 }
1991
1992 /* if we get here, the parameters are OK */
1993 return GL_FALSE;
1994 }
1995
1996
1997 /**
1998 * Error checking for glCompressedTexImage[123]D().
1999 * Note that the width, height and depth values are not fully error checked
2000 * here.
2001 * \return GL_TRUE if a error is found, GL_FALSE otherwise
2002 */
2003 static GLenum
2004 compressed_texture_error_check(struct gl_context *ctx, GLint dimensions,
2005 GLenum target, struct gl_texture_object* texObj,
2006 GLint level, GLenum internalFormat, GLsizei width,
2007 GLsizei height, GLsizei depth, GLint border,
2008 GLsizei imageSize, const GLvoid *data)
2009 {
2010 const GLint maxLevels = _mesa_max_texture_levels(ctx, target);
2011 GLint expectedSize;
2012 GLenum error = GL_NO_ERROR;
2013 char *reason = ""; /* no error */
2014
2015 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &error)) {
2016 reason = "target";
2017 goto error;
2018 }
2019
2020 /* This will detect any invalid internalFormat value */
2021 if (!_mesa_is_compressed_format(ctx, internalFormat)) {
2022 _mesa_error(ctx, GL_INVALID_ENUM,
2023 "glCompressedTexImage%dD(internalFormat=%s)",
2024 dimensions, _mesa_enum_to_string(internalFormat));
2025 return GL_TRUE;
2026 }
2027
2028 /* validate the bound PBO, if any */
2029 if (!_mesa_validate_pbo_source_compressed(ctx, dimensions, &ctx->Unpack,
2030 imageSize, data,
2031 "glCompressedTexImage")) {
2032 return GL_TRUE;
2033 }
2034
2035 switch (internalFormat) {
2036 case GL_PALETTE4_RGB8_OES:
2037 case GL_PALETTE4_RGBA8_OES:
2038 case GL_PALETTE4_R5_G6_B5_OES:
2039 case GL_PALETTE4_RGBA4_OES:
2040 case GL_PALETTE4_RGB5_A1_OES:
2041 case GL_PALETTE8_RGB8_OES:
2042 case GL_PALETTE8_RGBA8_OES:
2043 case GL_PALETTE8_R5_G6_B5_OES:
2044 case GL_PALETTE8_RGBA4_OES:
2045 case GL_PALETTE8_RGB5_A1_OES:
2046 /* check level (note that level should be zero or less!) */
2047 if (level > 0 || level < -maxLevels) {
2048 reason = "level";
2049 error = GL_INVALID_VALUE;
2050 goto error;
2051 }
2052
2053 if (dimensions != 2) {
2054 reason = "compressed paletted textures must be 2D";
2055 error = GL_INVALID_OPERATION;
2056 goto error;
2057 }
2058
2059 /* Figure out the expected texture size (in bytes). This will be
2060 * checked against the actual size later.
2061 */
2062 expectedSize = _mesa_cpal_compressed_size(level, internalFormat,
2063 width, height);
2064
2065 /* This is for the benefit of the TestProxyTexImage below. It expects
2066 * level to be non-negative. OES_compressed_paletted_texture uses a
2067 * weird mechanism where the level specified to glCompressedTexImage2D
2068 * is -(n-1) number of levels in the texture, and the data specifies the
2069 * complete mipmap stack. This is done to ensure the palette is the
2070 * same for all levels.
2071 */
2072 level = -level;
2073 break;
2074
2075 default:
2076 /* check level */
2077 if (level < 0 || level >= maxLevels) {
2078 reason = "level";
2079 error = GL_INVALID_VALUE;
2080 goto error;
2081 }
2082
2083 /* Figure out the expected texture size (in bytes). This will be
2084 * checked against the actual size later.
2085 */
2086 expectedSize = compressed_tex_size(width, height, depth, internalFormat);
2087 break;
2088 }
2089
2090 /* This should really never fail */
2091 if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
2092 reason = "internalFormat";
2093 error = GL_INVALID_ENUM;
2094 goto error;
2095 }
2096
2097 /* No compressed formats support borders at this time */
2098 if (border != 0) {
2099 reason = "border != 0";
2100 error = GL_INVALID_VALUE;
2101 goto error;
2102 }
2103
2104 /* Check for invalid pixel storage modes */
2105 if (!_mesa_compressed_pixel_storage_error_check(ctx, dimensions,
2106 &ctx->Unpack,
2107 "glCompressedTexImage")) {
2108 return GL_FALSE;
2109 }
2110
2111 /* check image size in bytes */
2112 if (expectedSize != imageSize) {
2113 /* Per GL_ARB_texture_compression: GL_INVALID_VALUE is generated [...]
2114 * if <imageSize> is not consistent with the format, dimensions, and
2115 * contents of the specified image.
2116 */
2117 reason = "imageSize inconsistent with width/height/format";
2118 error = GL_INVALID_VALUE;
2119 goto error;
2120 }
2121
2122 if (!mutable_tex_object(texObj)) {
2123 reason = "immutable texture";
2124 error = GL_INVALID_OPERATION;
2125 goto error;
2126 }
2127
2128 return GL_FALSE;
2129
2130 error:
2131 /* Note: not all error paths exit through here. */
2132 _mesa_error(ctx, error, "glCompressedTexImage%dD(%s)",
2133 dimensions, reason);
2134 return GL_TRUE;
2135 }
2136
2137
2138
2139 /**
2140 * Test glTexSubImage[123]D() parameters for errors.
2141 *
2142 * \param ctx GL context.
2143 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2144 * \param target texture target given by the user (already validated)
2145 * \param level image level given by the user.
2146 * \param xoffset sub-image x offset given by the user.
2147 * \param yoffset sub-image y offset given by the user.
2148 * \param zoffset sub-image z offset given by the user.
2149 * \param format pixel data format given by the user.
2150 * \param type pixel data type given by the user.
2151 * \param width image width given by the user.
2152 * \param height image height given by the user.
2153 * \param depth image depth given by the user.
2154 *
2155 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2156 *
2157 * Verifies each of the parameters against the constants specified in
2158 * __struct gl_contextRec::Const and the supported extensions, and according
2159 * to the OpenGL specification.
2160 */
2161 static GLboolean
2162 texsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
2163 struct gl_texture_object *texObj,
2164 GLenum target, GLint level,
2165 GLint xoffset, GLint yoffset, GLint zoffset,
2166 GLint width, GLint height, GLint depth,
2167 GLenum format, GLenum type, const GLvoid *pixels,
2168 const char *callerName)
2169 {
2170 struct gl_texture_image *texImage;
2171 GLenum err;
2172
2173 if (!texObj) {
2174 /* must be out of memory */
2175 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s()", callerName);
2176 return GL_TRUE;
2177 }
2178
2179 /* level check */
2180 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
2181 _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", callerName, level);
2182 return GL_TRUE;
2183 }
2184
2185 if (error_check_subtexture_negative_dimensions(ctx, dimensions,
2186 width, height, depth,
2187 callerName)) {
2188 return GL_TRUE;
2189 }
2190
2191 texImage = _mesa_select_tex_image(texObj, target, level);
2192 if (!texImage) {
2193 /* non-existant texture level */
2194 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid texture level %d)",
2195 callerName, level);
2196 return GL_TRUE;
2197 }
2198
2199 err = _mesa_error_check_format_and_type(ctx, format, type);
2200 if (err != GL_NO_ERROR) {
2201 _mesa_error(ctx, err,
2202 "%s(incompatible format = %s, type = %s)",
2203 callerName, _mesa_enum_to_string(format),
2204 _mesa_enum_to_string(type));
2205 return GL_TRUE;
2206 }
2207
2208 if (!texture_formats_agree(texImage->InternalFormat, format)) {
2209 _mesa_error(ctx, GL_INVALID_OPERATION,
2210 "%s(incompatible internalFormat = %s, format = %s)",
2211 callerName,
2212 _mesa_enum_to_string(texImage->InternalFormat),
2213 _mesa_enum_to_string(format));
2214 return GL_TRUE;
2215 }
2216
2217 GLenum internalFormat = _mesa_is_gles(ctx) ?
2218 oes_float_internal_format(ctx, texImage->InternalFormat, type) :
2219 texImage->InternalFormat;
2220
2221 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2222 * combinations of format, internalFormat, and type that can be used.
2223 * Formats and types that require additional extensions (e.g., GL_FLOAT
2224 * requires GL_OES_texture_float) are filtered elsewhere.
2225 */
2226 if (_mesa_is_gles(ctx) &&
2227 texture_format_error_check_gles(ctx, format, type,
2228 internalFormat, callerName)) {
2229 return GL_TRUE;
2230 }
2231
2232 /* validate the bound PBO, if any */
2233 if (!_mesa_validate_pbo_source(ctx, dimensions, &ctx->Unpack,
2234 width, height, depth, format, type,
2235 INT_MAX, pixels, callerName)) {
2236 return GL_TRUE;
2237 }
2238
2239 if (error_check_subtexture_dimensions(ctx, dimensions,
2240 texImage, xoffset, yoffset, zoffset,
2241 width, height, depth, callerName)) {
2242 return GL_TRUE;
2243 }
2244
2245 if (_mesa_is_format_compressed(texImage->TexFormat)) {
2246 if (_mesa_format_no_online_compression(texImage->InternalFormat)) {
2247 _mesa_error(ctx, GL_INVALID_OPERATION,
2248 "%s(no compression for format)", callerName);
2249 return GL_TRUE;
2250 }
2251 }
2252
2253 if (ctx->Version >= 30 || ctx->Extensions.EXT_texture_integer) {
2254 /* both source and dest must be integer-valued, or neither */
2255 if (_mesa_is_format_integer_color(texImage->TexFormat) !=
2256 _mesa_is_enum_format_integer(format)) {
2257 _mesa_error(ctx, GL_INVALID_OPERATION,
2258 "%s(integer/non-integer format mismatch)", callerName);
2259 return GL_TRUE;
2260 }
2261 }
2262
2263 return GL_FALSE;
2264 }
2265
2266
2267 /**
2268 * Test glCopyTexImage[12]D() parameters for errors.
2269 *
2270 * \param ctx GL context.
2271 * \param dimensions texture image dimensions (must be 1, 2 or 3).
2272 * \param target texture target given by the user.
2273 * \param level image level given by the user.
2274 * \param internalFormat internal format given by the user.
2275 * \param width image width given by the user.
2276 * \param height image height given by the user.
2277 * \param border texture border.
2278 *
2279 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2280 *
2281 * Verifies each of the parameters against the constants specified in
2282 * __struct gl_contextRec::Const and the supported extensions, and according
2283 * to the OpenGL specification.
2284 */
2285 static GLboolean
2286 copytexture_error_check( struct gl_context *ctx, GLuint dimensions,
2287 GLenum target, struct gl_texture_object* texObj,
2288 GLint level, GLint internalFormat, GLint border )
2289 {
2290 GLint baseFormat;
2291 GLint rb_base_format;
2292 struct gl_renderbuffer *rb;
2293 GLenum rb_internal_format;
2294
2295 /* check target */
2296 if (!legal_texsubimage_target(ctx, dimensions, target, false)) {
2297 _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage%uD(target=%s)",
2298 dimensions, _mesa_enum_to_string(target));
2299 return GL_TRUE;
2300 }
2301
2302 /* level check */
2303 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
2304 _mesa_error(ctx, GL_INVALID_VALUE,
2305 "glCopyTexImage%dD(level=%d)", dimensions, level);
2306 return GL_TRUE;
2307 }
2308
2309 /* Check that the source buffer is complete */
2310 if (_mesa_is_user_fbo(ctx->ReadBuffer)) {
2311 if (ctx->ReadBuffer->_Status == 0) {
2312 _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
2313 }
2314 if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
2315 _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
2316 "glCopyTexImage%dD(invalid readbuffer)", dimensions);
2317 return GL_TRUE;
2318 }
2319
2320 if (ctx->ReadBuffer->Visual.samples > 0) {
2321 _mesa_error(ctx, GL_INVALID_OPERATION,
2322 "glCopyTexImage%dD(multisample FBO)", dimensions);
2323 return GL_TRUE;
2324 }
2325 }
2326
2327 /* Check border */
2328 if (border < 0 || border > 1 ||
2329 ((ctx->API != API_OPENGL_COMPAT ||
2330 target == GL_TEXTURE_RECTANGLE_NV ||
2331 target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
2332 _mesa_error(ctx, GL_INVALID_VALUE,
2333 "glCopyTexImage%dD(border=%d)", dimensions, border);
2334 return GL_TRUE;
2335 }
2336
2337 /* OpenGL ES 1.x and OpenGL ES 2.0 impose additional restrictions on the
2338 * internalFormat.
2339 */
2340 if (_mesa_is_gles(ctx) && !_mesa_is_gles3(ctx)) {
2341 switch (internalFormat) {
2342 case GL_ALPHA:
2343 case GL_RGB:
2344 case GL_RGBA:
2345 case GL_LUMINANCE:
2346 case GL_LUMINANCE_ALPHA:
2347 break;
2348 default:
2349 _mesa_error(ctx, GL_INVALID_ENUM,
2350 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2351 _mesa_enum_to_string(internalFormat));
2352 return GL_TRUE;
2353 }
2354 } else {
2355 /*
2356 * Section 8.6 (Alternate Texture Image Specification Commands) of the
2357 * OpenGL 4.5 (Compatibility Profile) spec says:
2358 *
2359 * "Parameters level, internalformat, and border are specified using
2360 * the same values, with the same meanings, as the corresponding
2361 * arguments of TexImage2D, except that internalformat may not be
2362 * specified as 1, 2, 3, or 4."
2363 */
2364 if (internalFormat >= 1 && internalFormat <= 4) {
2365 _mesa_error(ctx, GL_INVALID_ENUM,
2366 "glCopyTexImage%dD(internalFormat=%d)", dimensions,
2367 internalFormat);
2368 return GL_TRUE;
2369 }
2370 }
2371
2372 baseFormat = _mesa_base_tex_format(ctx, internalFormat);
2373 if (baseFormat < 0) {
2374 _mesa_error(ctx, GL_INVALID_ENUM,
2375 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2376 _mesa_enum_to_string(internalFormat));
2377 return GL_TRUE;
2378 }
2379
2380 rb = _mesa_get_read_renderbuffer_for_format(ctx, internalFormat);
2381 if (rb == NULL) {
2382 _mesa_error(ctx, GL_INVALID_OPERATION,
2383 "glCopyTexImage%dD(read buffer)", dimensions);
2384 return GL_TRUE;
2385 }
2386
2387 rb_internal_format = rb->InternalFormat;
2388 rb_base_format = _mesa_base_tex_format(ctx, rb->InternalFormat);
2389 if (_mesa_is_color_format(internalFormat)) {
2390 if (rb_base_format < 0) {
2391 _mesa_error(ctx, GL_INVALID_VALUE,
2392 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2393 _mesa_enum_to_string(internalFormat));
2394 return GL_TRUE;
2395 }
2396 }
2397
2398 if (_mesa_is_gles(ctx)) {
2399 bool valid = true;
2400 if (_mesa_components_in_format(baseFormat) >
2401 _mesa_components_in_format(rb_base_format)) {
2402 valid = false;
2403 }
2404 if (baseFormat == GL_DEPTH_COMPONENT ||
2405 baseFormat == GL_DEPTH_STENCIL ||
2406 baseFormat == GL_STENCIL_INDEX ||
2407 rb_base_format == GL_DEPTH_COMPONENT ||
2408 rb_base_format == GL_DEPTH_STENCIL ||
2409 rb_base_format == GL_STENCIL_INDEX ||
2410 ((baseFormat == GL_LUMINANCE_ALPHA ||
2411 baseFormat == GL_ALPHA) &&
2412 rb_base_format != GL_RGBA) ||
2413 internalFormat == GL_RGB9_E5) {
2414 valid = false;
2415 }
2416 if (internalFormat == GL_RGB9_E5) {
2417 valid = false;
2418 }
2419 if (!valid) {
2420 _mesa_error(ctx, GL_INVALID_OPERATION,
2421 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2422 _mesa_enum_to_string(internalFormat));
2423 return GL_TRUE;
2424 }
2425 }
2426
2427 if (_mesa_is_gles3(ctx)) {
2428 bool rb_is_srgb = (ctx->Extensions.EXT_sRGB &&
2429 _mesa_is_format_srgb(rb->Format));
2430 bool dst_is_srgb = false;
2431
2432 if (_mesa_get_linear_internalformat(internalFormat) != internalFormat) {
2433 dst_is_srgb = true;
2434 }
2435
2436 if (rb_is_srgb != dst_is_srgb) {
2437 /* Page 137 (page 149 of the PDF) in section 3.8.5 of the
2438 * OpenGLES 3.0.0 spec says:
2439 *
2440 * "The error INVALID_OPERATION is also generated if the
2441 * value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING for the
2442 * framebuffer attachment corresponding to the read buffer
2443 * is LINEAR (see section 6.1.13) and internalformat is
2444 * one of the sRGB formats described in section 3.8.16, or
2445 * if the value of FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING is
2446 * SRGB and internalformat is not one of the sRGB formats."
2447 */
2448 _mesa_error(ctx, GL_INVALID_OPERATION,
2449 "glCopyTexImage%dD(srgb usage mismatch)", dimensions);
2450 return GL_TRUE;
2451 }
2452
2453 /* Page 139, Table 3.15 of OpenGL ES 3.0 spec does not define ReadPixels
2454 * types for SNORM formats. Also, conversion to SNORM formats is not
2455 * allowed by Table 3.2 on Page 110.
2456 */
2457 if (!_mesa_has_EXT_render_snorm(ctx) &&
2458 _mesa_is_enum_format_snorm(internalFormat)) {
2459 _mesa_error(ctx, GL_INVALID_OPERATION,
2460 "glCopyTexImage%dD(internalFormat=%s)", dimensions,
2461 _mesa_enum_to_string(internalFormat));
2462 return GL_TRUE;
2463 }
2464 }
2465
2466 if (!_mesa_source_buffer_exists(ctx, baseFormat)) {
2467 _mesa_error(ctx, GL_INVALID_OPERATION,
2468 "glCopyTexImage%dD(missing readbuffer)", dimensions);
2469 return GL_TRUE;
2470 }
2471
2472 /* From the EXT_texture_integer spec:
2473 *
2474 * "INVALID_OPERATION is generated by CopyTexImage* and CopyTexSubImage*
2475 * if the texture internalformat is an integer format and the read color
2476 * buffer is not an integer format, or if the internalformat is not an
2477 * integer format and the read color buffer is an integer format."
2478 */
2479 if (_mesa_is_color_format(internalFormat)) {
2480 bool is_int = _mesa_is_enum_format_integer(internalFormat);
2481 bool is_rbint = _mesa_is_enum_format_integer(rb_internal_format);
2482 bool is_unorm = _mesa_is_enum_format_unorm(internalFormat);
2483 bool is_rbunorm = _mesa_is_enum_format_unorm(rb_internal_format);
2484 if (is_int || is_rbint) {
2485 if (is_int != is_rbint) {
2486 _mesa_error(ctx, GL_INVALID_OPERATION,
2487 "glCopyTexImage%dD(integer vs non-integer)", dimensions);
2488 return GL_TRUE;
2489 } else if (_mesa_is_gles(ctx) &&
2490 _mesa_is_enum_format_unsigned_int(internalFormat) !=
2491 _mesa_is_enum_format_unsigned_int(rb_internal_format)) {
2492 _mesa_error(ctx, GL_INVALID_OPERATION,
2493 "glCopyTexImage%dD(signed vs unsigned integer)",
2494 dimensions);
2495 return GL_TRUE;
2496 }
2497 }
2498
2499 /* From page 138 of OpenGL ES 3.0 spec:
2500 * "The error INVALID_OPERATION is generated if floating-point RGBA
2501 * data is required; if signed integer RGBA data is required and the
2502 * format of the current color buffer is not signed integer; if
2503 * unsigned integer RGBA data is required and the format of the
2504 * current color buffer is not unsigned integer; or if fixed-point
2505 * RGBA data is required and the format of the current color buffer
2506 * is not fixed-point.
2507 */
2508 if (_mesa_is_gles(ctx) && is_unorm != is_rbunorm)
2509 _mesa_error(ctx, GL_INVALID_OPERATION,
2510 "glCopyTexImage%dD(unorm vs non-unorm)", dimensions);
2511 }
2512
2513 if (_mesa_is_compressed_format(ctx, internalFormat)) {
2514 GLenum err;
2515 if (!_mesa_target_can_be_compressed(ctx, target, internalFormat, &err)) {
2516 _mesa_error(ctx, err,
2517 "glCopyTexImage%dD(target can't be compressed)", dimensions);
2518 return GL_TRUE;
2519 }
2520 if (_mesa_format_no_online_compression(internalFormat)) {
2521 _mesa_error(ctx, GL_INVALID_OPERATION,
2522 "glCopyTexImage%dD(no compression for format)", dimensions);
2523 return GL_TRUE;
2524 }
2525 if (border != 0) {
2526 _mesa_error(ctx, GL_INVALID_OPERATION,
2527 "glCopyTexImage%dD(border!=0)", dimensions);
2528 return GL_TRUE;
2529 }
2530 }
2531
2532 if (!mutable_tex_object(texObj)) {
2533 _mesa_error(ctx, GL_INVALID_OPERATION,
2534 "glCopyTexImage%dD(immutable texture)", dimensions);
2535 return GL_TRUE;
2536 }
2537
2538 /* if we get here, the parameters are OK */
2539 return GL_FALSE;
2540 }
2541
2542
2543 /**
2544 * Test glCopyTexSubImage[12]D() parameters for errors.
2545 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
2546 */
2547 static GLboolean
2548 copytexsubimage_error_check(struct gl_context *ctx, GLuint dimensions,
2549 const struct gl_texture_object *texObj,
2550 GLenum target, GLint level,
2551 GLint xoffset, GLint yoffset, GLint zoffset,
2552 GLint width, GLint height, const char *caller)
2553 {
2554 assert(texObj);
2555
2556 struct gl_texture_image *texImage;
2557
2558 /* Check that the source buffer is complete */
2559 if (_mesa_is_user_fbo(ctx->ReadBuffer)) {
2560 if (ctx->ReadBuffer->_Status == 0) {
2561 _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
2562 }
2563 if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
2564 _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
2565 "%s(invalid readbuffer)", caller);
2566 return GL_TRUE;
2567 }
2568
2569 if (ctx->ReadBuffer->Visual.samples > 0) {
2570 _mesa_error(ctx, GL_INVALID_OPERATION,
2571 "%s(multisample FBO)", caller);
2572 return GL_TRUE;
2573 }
2574 }
2575
2576 /* Check level */
2577 if (level < 0 || level >= _mesa_max_texture_levels(ctx, target)) {
2578 _mesa_error(ctx, GL_INVALID_VALUE, "%s(level=%d)", caller, level);
2579 return GL_TRUE;
2580 }
2581
2582 texImage = _mesa_select_tex_image(texObj, target, level);
2583 if (!texImage) {
2584 /* destination image does not exist */
2585 _mesa_error(ctx, GL_INVALID_OPERATION,
2586 "%s(invalid texture level %d)", caller, level);
2587 return GL_TRUE;
2588 }
2589
2590 if (error_check_subtexture_negative_dimensions(ctx, dimensions,
2591 width, height, 1, caller)) {
2592 return GL_TRUE;
2593 }
2594
2595 if (error_check_subtexture_dimensions(ctx, dimensions, texImage,
2596 xoffset, yoffset, zoffset,
2597 width, height, 1, caller)) {
2598 return GL_TRUE;
2599 }
2600
2601 if (_mesa_is_format_compressed(texImage->TexFormat)) {
2602 if (_mesa_format_no_online_compression(texImage->InternalFormat)) {
2603 _mesa_error(ctx, GL_INVALID_OPERATION,
2604 "%s(no compression for format)", caller);
2605 return GL_TRUE;
2606 }
2607 }
2608
2609 if (texImage->InternalFormat == GL_YCBCR_MESA) {
2610 _mesa_error(ctx, GL_INVALID_OPERATION, "%s()", caller);
2611 return GL_TRUE;
2612 }
2613
2614 /* From OpenGL ES 3.2 spec, section 8.6:
2615 *
2616 * "An INVALID_OPERATION error is generated by CopyTexSubImage3D,
2617 * CopyTexImage2D, or CopyTexSubImage2D if the internalformat of the
2618 * texture image being (re)specified is RGB9_E5"
2619 */
2620 if (texImage->InternalFormat == GL_RGB9_E5 &&
2621 !_mesa_is_desktop_gl(ctx)) {
2622 _mesa_error(ctx, GL_INVALID_OPERATION,
2623 "%s(invalid internal format %s)", caller,
2624 _mesa_enum_to_string(texImage->InternalFormat));
2625 return GL_TRUE;
2626 }
2627
2628 if (!_mesa_source_buffer_exists(ctx, texImage->_BaseFormat)) {
2629 _mesa_error(ctx, GL_INVALID_OPERATION,
2630 "%s(missing readbuffer, format=%s)", caller,
2631 _mesa_enum_to_string(texImage->_BaseFormat));
2632 return GL_TRUE;
2633 }
2634
2635 /* From the EXT_texture_integer spec:
2636 *
2637 * "INVALID_OPERATION is generated by CopyTexImage* and
2638 * CopyTexSubImage* if the texture internalformat is an integer format
2639 * and the read color buffer is not an integer format, or if the
2640 * internalformat is not an integer format and the read color buffer
2641 * is an integer format."
2642 */
2643 if (_mesa_is_color_format(texImage->InternalFormat)) {
2644 struct gl_renderbuffer *rb = ctx->ReadBuffer->_ColorReadBuffer;
2645
2646 if (_mesa_is_format_integer_color(rb->Format) !=
2647 _mesa_is_format_integer_color(texImage->TexFormat)) {
2648 _mesa_error(ctx, GL_INVALID_OPERATION,
2649 "%s(integer vs non-integer)", caller);
2650 return GL_TRUE;
2651 }
2652 }
2653
2654 /* In the ES 3.2 specification's Table 8.13 (Valid CopyTexImage source
2655 * framebuffer/destination texture base internal format combinations),
2656 * all the entries for stencil are left blank (unsupported).
2657 */
2658 if (_mesa_is_gles(ctx) && _mesa_is_stencil_format(texImage->_BaseFormat)) {
2659 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(stencil disallowed)", caller);
2660 return GL_TRUE;
2661 }
2662
2663 /* if we get here, the parameters are OK */
2664 return GL_FALSE;
2665 }
2666
2667
2668 /** Callback info for walking over FBO hash table */
2669 struct cb_info
2670 {
2671 struct gl_context *ctx;
2672 struct gl_texture_object *texObj;
2673 GLuint level, face;
2674 };
2675
2676
2677 /**
2678 * Check render to texture callback. Called from _mesa_HashWalk().
2679 */
2680 static void
2681 check_rtt_cb(UNUSED GLuint key, void *data, void *userData)
2682 {
2683 struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
2684 const struct cb_info *info = (struct cb_info *) userData;
2685 struct gl_context *ctx = info->ctx;
2686 const struct gl_texture_object *texObj = info->texObj;
2687 const GLuint level = info->level, face = info->face;
2688
2689 /* If this is a user-created FBO */
2690 if (_mesa_is_user_fbo(fb)) {
2691 GLuint i;
2692 /* check if any of the FBO's attachments point to 'texObj' */
2693 for (i = 0; i < BUFFER_COUNT; i++) {
2694 struct gl_renderbuffer_attachment *att = fb->Attachment + i;
2695 if (att->Type == GL_TEXTURE &&
2696 att->Texture == texObj &&
2697 att->TextureLevel == level &&
2698 att->CubeMapFace == face) {
2699 _mesa_update_texture_renderbuffer(ctx, fb, att);
2700 assert(att->Renderbuffer->TexImage);
2701 /* Mark fb status as indeterminate to force re-validation */
2702 fb->_Status = 0;
2703
2704 /* Make sure that the revalidation actually happens if this is
2705 * being done to currently-bound buffers.
2706 */
2707 if (fb == ctx->DrawBuffer || fb == ctx->ReadBuffer)
2708 ctx->NewState |= _NEW_BUFFERS;
2709 }
2710 }
2711 }
2712 }
2713
2714
2715 /**
2716 * When a texture image is specified we have to check if it's bound to
2717 * any framebuffer objects (render to texture) in order to detect changes
2718 * in size or format since that effects FBO completeness.
2719 * Any FBOs rendering into the texture must be re-validated.
2720 */
2721 void
2722 _mesa_update_fbo_texture(struct gl_context *ctx,
2723 struct gl_texture_object *texObj,
2724 GLuint face, GLuint level)
2725 {
2726 /* Only check this texture if it's been marked as RenderToTexture */
2727 if (texObj->_RenderToTexture) {
2728 struct cb_info info;
2729 info.ctx = ctx;
2730 info.texObj = texObj;
2731 info.level = level;
2732 info.face = face;
2733 _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info);
2734 }
2735 }
2736
2737
2738 /**
2739 * If the texture object's GenerateMipmap flag is set and we've
2740 * changed the texture base level image, regenerate the rest of the
2741 * mipmap levels now.
2742 */
2743 static inline void
2744 check_gen_mipmap(struct gl_context *ctx, GLenum target,
2745 struct gl_texture_object *texObj, GLint level)
2746 {
2747 if (texObj->GenerateMipmap &&
2748 level == texObj->BaseLevel &&
2749 level < texObj->MaxLevel) {
2750 assert(ctx->Driver.GenerateMipmap);
2751 ctx->Driver.GenerateMipmap(ctx, target, texObj);
2752 }
2753 }
2754
2755
2756 /** Debug helper: override the user-requested internal format */
2757 static GLenum
2758 override_internal_format(GLenum internalFormat, UNUSED GLint width,
2759 UNUSED GLint height)
2760 {
2761 #if 0
2762 if (internalFormat == GL_RGBA16F_ARB ||
2763 internalFormat == GL_RGBA32F_ARB) {
2764 printf("Convert rgba float tex to int %d x %d\n", width, height);
2765 return GL_RGBA;
2766 }
2767 else if (internalFormat == GL_RGB16F_ARB ||
2768 internalFormat == GL_RGB32F_ARB) {
2769 printf("Convert rgb float tex to int %d x %d\n", width, height);
2770 return GL_RGB;
2771 }
2772 else if (internalFormat == GL_LUMINANCE_ALPHA16F_ARB ||
2773 internalFormat == GL_LUMINANCE_ALPHA32F_ARB) {
2774 printf("Convert luminance float tex to int %d x %d\n", width, height);
2775 return GL_LUMINANCE_ALPHA;
2776 }
2777 else if (internalFormat == GL_LUMINANCE16F_ARB ||
2778 internalFormat == GL_LUMINANCE32F_ARB) {
2779 printf("Convert luminance float tex to int %d x %d\n", width, height);
2780 return GL_LUMINANCE;
2781 }
2782 else if (internalFormat == GL_ALPHA16F_ARB ||
2783 internalFormat == GL_ALPHA32F_ARB) {
2784 printf("Convert luminance float tex to int %d x %d\n", width, height);
2785 return GL_ALPHA;
2786 }
2787 /*
2788 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2789 internalFormat = GL_RGBA;
2790 }
2791 */
2792 else {
2793 return internalFormat;
2794 }
2795 #else
2796 return internalFormat;
2797 #endif
2798 }
2799
2800
2801 /**
2802 * Choose the actual hardware format for a texture image.
2803 * Try to use the same format as the previous image level when possible.
2804 * Otherwise, ask the driver for the best format.
2805 * It's important to try to choose a consistant format for all levels
2806 * for efficient texture memory layout/allocation. In particular, this
2807 * comes up during automatic mipmap generation.
2808 */
2809 mesa_format
2810 _mesa_choose_texture_format(struct gl_context *ctx,
2811 struct gl_texture_object *texObj,
2812 GLenum target, GLint level,
2813 GLenum internalFormat, GLenum format, GLenum type)
2814 {
2815 mesa_format f;
2816
2817 /* see if we've already chosen a format for the previous level */
2818 if (level > 0) {
2819 struct gl_texture_image *prevImage =
2820 _mesa_select_tex_image(texObj, target, level - 1);
2821 /* See if the prev level is defined and has an internal format which
2822 * matches the new internal format.
2823 */
2824 if (prevImage &&
2825 prevImage->Width > 0 &&
2826 prevImage->InternalFormat == internalFormat) {
2827 /* use the same format */
2828 assert(prevImage->TexFormat != MESA_FORMAT_NONE);
2829 return prevImage->TexFormat;
2830 }
2831 }
2832
2833 f = ctx->Driver.ChooseTextureFormat(ctx, target, internalFormat,
2834 format, type);
2835 assert(f != MESA_FORMAT_NONE);
2836 return f;
2837 }
2838
2839
2840 /**
2841 * Adjust pixel unpack params and image dimensions to strip off the
2842 * one-pixel texture border.
2843 *
2844 * Gallium and intel don't support texture borders. They've seldem been used
2845 * and seldom been implemented correctly anyway.
2846 *
2847 * \param unpackNew returns the new pixel unpack parameters
2848 */
2849 static void
2850 strip_texture_border(GLenum target,
2851 GLint *width, GLint *height, GLint *depth,
2852 const struct gl_pixelstore_attrib *unpack,
2853 struct gl_pixelstore_attrib *unpackNew)
2854 {
2855 assert(width);
2856 assert(height);
2857 assert(depth);
2858
2859 *unpackNew = *unpack;
2860
2861 if (unpackNew->RowLength == 0)
2862 unpackNew->RowLength = *width;
2863
2864 if (unpackNew->ImageHeight == 0)
2865 unpackNew->ImageHeight = *height;
2866
2867 assert(*width >= 3);
2868 unpackNew->SkipPixels++; /* skip the border */
2869 *width = *width - 2; /* reduce the width by two border pixels */
2870
2871 /* The min height of a texture with a border is 3 */
2872 if (*height >= 3 && target != GL_TEXTURE_1D_ARRAY) {
2873 unpackNew->SkipRows++; /* skip the border */
2874 *height = *height - 2; /* reduce the height by two border pixels */
2875 }
2876
2877 if (*depth >= 3 &&
2878 target != GL_TEXTURE_2D_ARRAY &&
2879 target != GL_TEXTURE_CUBE_MAP_ARRAY) {
2880 unpackNew->SkipImages++; /* skip the border */
2881 *depth = *depth - 2; /* reduce the depth by two border pixels */
2882 }
2883 }
2884
2885 static struct gl_texture_object *
2886 lookup_texture_ext_dsa(struct gl_context *ctx, GLenum target, GLuint texture,
2887 const char *caller)
2888 {
2889 GLenum boundTarget;
2890 switch (target) {
2891 case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
2892 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
2893 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
2894 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
2895 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
2896 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
2897 boundTarget = GL_TEXTURE_CUBE_MAP;
2898 break;
2899 default:
2900 boundTarget = target;
2901 break;
2902 }
2903
2904 int targetIndex = _mesa_tex_target_to_index(ctx, boundTarget);
2905 if (targetIndex < 0) {
2906 _mesa_error(ctx, GL_INVALID_ENUM, "%s(target = %s)", caller,
2907 _mesa_enum_to_string(target));
2908 return NULL;
2909 }
2910 assert(targetIndex < NUM_TEXTURE_TARGETS);
2911
2912 struct gl_texture_object *texObj;
2913 if (texture == 0) {
2914 /* Use a default texture object */
2915 texObj = ctx->Shared->DefaultTex[targetIndex];
2916 assert(texObj);
2917 } else {
2918 texObj = _mesa_lookup_texture(ctx, texture);
2919 if (!texObj && ctx->API == API_OPENGL_CORE) {
2920 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(non-gen name)", caller);
2921 return NULL;
2922 }
2923
2924 if (!texObj) {
2925 texObj = ctx->Driver.NewTextureObject(ctx, texture, boundTarget);
2926 if (!texObj) {
2927 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
2928 return NULL;
2929 }
2930
2931 /* insert into hash table */
2932 _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj);
2933 }
2934
2935 if (texObj->Target != boundTarget) {
2936 _mesa_error(ctx, GL_INVALID_OPERATION, "%s(%s != %s)",
2937 caller, _mesa_enum_to_string(texObj->Target),
2938 _mesa_enum_to_string(target));
2939 return NULL;
2940 }
2941 }
2942
2943 return texObj;
2944 }
2945
2946 /**
2947 * Common code to implement all the glTexImage1D/2D/3D functions,
2948 * glCompressedTexImage1D/2D/3D and glTextureImage1D/2D/3DEXT
2949 * \param compressed only GL_TRUE for glCompressedTexImage1D/2D/3D calls.
2950 * \param format the user's image format (only used if !compressed)
2951 * \param type the user's image type (only used if !compressed)
2952 * \param imageSize only used for glCompressedTexImage1D/2D/3D calls.
2953 */
2954 static ALWAYS_INLINE void
2955 teximage(struct gl_context *ctx, GLboolean compressed, GLuint dims,
2956 struct gl_texture_object *texObj,
2957 GLenum target, GLint level, GLint internalFormat,
2958 GLsizei width, GLsizei height, GLsizei depth,
2959 GLint border, GLenum format, GLenum type,
2960 GLsizei imageSize, const GLvoid *pixels, bool no_error)
2961 {
2962 const char *func = compressed ? "glCompressedTexImage" : "glTexImage";
2963 struct gl_pixelstore_attrib unpack_no_border;
2964 const struct gl_pixelstore_attrib *unpack = &ctx->Unpack;
2965 mesa_format texFormat;
2966 bool dimensionsOK = true, sizeOK = true;
2967
2968 FLUSH_VERTICES(ctx, 0);
2969
2970 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) {
2971 if (compressed)
2972 _mesa_debug(ctx,
2973 "glCompressedTexImage%uD %s %d %s %d %d %d %d %p\n",
2974 dims,
2975 _mesa_enum_to_string(target), level,
2976 _mesa_enum_to_string(internalFormat),
2977 width, height, depth, border, pixels);
2978 else
2979 _mesa_debug(ctx,
2980 "glTexImage%uD %s %d %s %d %d %d %d %s %s %p\n",
2981 dims,
2982 _mesa_enum_to_string(target), level,
2983 _mesa_enum_to_string(internalFormat),
2984 width, height, depth, border,
2985 _mesa_enum_to_string(format),
2986 _mesa_enum_to_string(type), pixels);
2987 }
2988
2989 internalFormat = override_internal_format(internalFormat, width, height);
2990
2991 if (!no_error &&
2992 /* target error checking */
2993 !legal_teximage_target(ctx, dims, target)) {
2994 _mesa_error(ctx, GL_INVALID_ENUM, "%s%uD(target=%s)",
2995 func, dims, _mesa_enum_to_string(target));
2996 return;
2997 }
2998
2999 if (!texObj)
3000 texObj = _mesa_get_current_tex_object(ctx, target);
3001
3002 if (!no_error) {
3003 /* general error checking */
3004 if (compressed) {
3005 if (compressed_texture_error_check(ctx, dims, target, texObj,
3006 level, internalFormat,
3007 width, height, depth,
3008 border, imageSize, pixels))
3009 return;
3010 } else {
3011 if (texture_error_check(ctx, dims, target, texObj, level, internalFormat,
3012 format, type, width, height, depth, border,
3013 pixels))
3014 return;
3015 }
3016 }
3017 assert(texObj);
3018
3019 /* Here we convert a cpal compressed image into a regular glTexImage2D
3020 * call by decompressing the texture. If we really want to support cpal
3021 * textures in any driver this would have to be changed.
3022 */
3023 if (ctx->API == API_OPENGLES && compressed && dims == 2) {
3024 switch (internalFormat) {
3025 case GL_PALETTE4_RGB8_OES:
3026 case GL_PALETTE4_RGBA8_OES:
3027 case GL_PALETTE4_R5_G6_B5_OES:
3028 case GL_PALETTE4_RGBA4_OES:
3029 case GL_PALETTE4_RGB5_A1_OES:
3030 case GL_PALETTE8_RGB8_OES:
3031 case GL_PALETTE8_RGBA8_OES:
3032 case GL_PALETTE8_R5_G6_B5_OES:
3033 case GL_PALETTE8_RGBA4_OES:
3034 case GL_PALETTE8_RGB5_A1_OES:
3035 _mesa_cpal_compressed_teximage2d(target, level, internalFormat,
3036 width, height, imageSize, pixels);
3037 return;
3038 }
3039 }
3040
3041 if (compressed) {
3042 /* For glCompressedTexImage() the driver has no choice about the
3043 * texture format since we'll never transcode the user's compressed
3044 * image data. The internalFormat was error checked earlier.
3045 */
3046 texFormat = _mesa_glenum_to_compressed_format(internalFormat);
3047 }
3048 else {
3049 /* In case of HALF_FLOAT_OES or FLOAT_OES, find corresponding sized
3050 * internal floating point format for the given base format.
3051 */
3052 if (_mesa_is_gles(ctx) && format == internalFormat) {
3053 if (type == GL_FLOAT) {
3054 texObj->_IsFloat = GL_TRUE;
3055 } else if (type == GL_HALF_FLOAT_OES || type == GL_HALF_FLOAT) {
3056 texObj->_IsHalfFloat = GL_TRUE;
3057 }
3058
3059 internalFormat = adjust_for_oes_float_texture(ctx, format, type);
3060 }
3061
3062 texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
3063 internalFormat, format, type);
3064 }
3065
3066 assert(texFormat != MESA_FORMAT_NONE);
3067
3068 if (!no_error) {
3069 /* check that width, height, depth are legal for the mipmap level */
3070 dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, level, width,
3071 height, depth, border);
3072
3073 /* check that the texture won't take too much memory, etc */
3074 sizeOK = ctx->Driver.TestProxyTexImage(ctx, proxy_target(target),
3075 0, level, texFormat, 1,
3076 width, height, depth);
3077 }
3078
3079 if (_mesa_is_proxy_texture(target)) {
3080 /* Proxy texture: just clear or set state depending on error checking */
3081 struct gl_texture_image *texImage =
3082 get_proxy_tex_image(ctx, target, level);
3083
3084 if (!texImage)
3085 return; /* GL_OUT_OF_MEMORY already recorded */
3086
3087 if (dimensionsOK && sizeOK) {
3088 _mesa_init_teximage_fields(ctx, texImage, width, height, depth,
3089 border, internalFormat, texFormat);
3090 }
3091 else {
3092 clear_teximage_fields(texImage);
3093 }
3094 }
3095 else {
3096 /* non-proxy target */
3097 const GLuint face = _mesa_tex_target_to_face(target);
3098 struct gl_texture_image *texImage;
3099
3100 if (!dimensionsOK) {
3101 _mesa_error(ctx, GL_INVALID_VALUE,
3102 "%s%uD(invalid width=%d or height=%d or depth=%d)",
3103 func, dims, width, height, depth);
3104 return;
3105 }
3106
3107 if (!sizeOK) {
3108 _mesa_error(ctx, GL_OUT_OF_MEMORY,
3109 "%s%uD(image too large: %d x %d x %d, %s format)",
3110 func, dims, width, height, depth,
3111 _mesa_enum_to_string(internalFormat));
3112 return;
3113 }
3114
3115 /* Allow a hardware driver to just strip out the border, to provide
3116 * reliable but slightly incorrect hardware rendering instead of
3117 * rarely-tested software fallback rendering.
3118 */
3119 if (border && ctx->Const.StripTextureBorder) {
3120 strip_texture_border(target, &width, &height, &depth, unpack,
3121 &unpack_no_border);
3122 border = 0;
3123 unpack = &unpack_no_border;
3124 }
3125
3126 if (ctx->NewState & _NEW_PIXEL)
3127 _mesa_update_state(ctx);
3128
3129 _mesa_lock_texture(ctx, texObj);
3130 {
3131 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
3132
3133 if (!texImage) {
3134 _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s%uD", func, dims);
3135 }
3136 else {
3137 ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
3138
3139 _mesa_init_teximage_fields(ctx, texImage,
3140 width, height, depth,
3141 border, internalFormat, texFormat);
3142
3143 /* Give the texture to the driver. <pixels> may be null. */
3144 if (width > 0 && height > 0 && depth > 0) {
3145 if (compressed) {
3146 ctx->Driver.CompressedTexImage(ctx, dims, texImage,
3147 imageSize, pixels);
3148 }
3149 else {
3150 ctx->Driver.TexImage(ctx, dims, texImage, format,
3151 type, pixels, unpack);
3152 }
3153 }
3154
3155 check_gen_mipmap(ctx, target, texObj, level);
3156
3157 _mesa_update_fbo_texture(ctx, texObj, face, level);
3158
3159 _mesa_dirty_texobj(ctx, texObj);
3160 }
3161 }
3162 _mesa_unlock_texture(ctx, texObj);
3163 }
3164 }
3165
3166
3167 /* This is a wrapper around teximage() so that we can force the KHR_no_error
3168 * logic to be inlined without inlining the function into all the callers.
3169 */
3170 static void
3171 teximage_err(struct gl_context *ctx, GLboolean compressed, GLuint dims,
3172 GLenum target, GLint level, GLint internalFormat,
3173 GLsizei width, GLsizei height, GLsizei depth,
3174 GLint border, GLenum format, GLenum type,
3175 GLsizei imageSize, const GLvoid *pixels)
3176 {
3177 teximage(ctx, compressed, dims, NULL, target, level, internalFormat, width, height,
3178 depth, border, format, type, imageSize, pixels, false);
3179 }
3180
3181
3182 static void
3183 teximage_no_error(struct gl_context *ctx, GLboolean compressed, GLuint dims,
3184 GLenum target, GLint level, GLint internalFormat,
3185 GLsizei width, GLsizei height, GLsizei depth,
3186 GLint border, GLenum format, GLenum type,
3187 GLsizei imageSize, const GLvoid *pixels)
3188 {
3189 teximage(ctx, compressed, dims, NULL, target, level, internalFormat, width, height,
3190 depth, border, format, type, imageSize, pixels, true);
3191 }
3192
3193
3194 /*
3195 * Called from the API. Note that width includes the border.
3196 */
3197 void GLAPIENTRY
3198 _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
3199 GLsizei width, GLint border, GLenum format,
3200 GLenum type, const GLvoid *pixels )
3201 {
3202 GET_CURRENT_CONTEXT(ctx);
3203 teximage_err(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1, 1,
3204 border, format, type, 0, pixels);
3205 }
3206
3207 void GLAPIENTRY
3208 _mesa_TextureImage1DEXT(GLuint texture, GLenum target, GLint level,
3209 GLint internalFormat, GLsizei width, GLint border,
3210 GLenum format, GLenum type, const GLvoid *pixels )
3211 {
3212 struct gl_texture_object* texObj;
3213 GET_CURRENT_CONTEXT(ctx);
3214
3215 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
3216 "glTextureImage1DEXT");
3217 if (!texObj)
3218 return;
3219 teximage(ctx, GL_FALSE, 1, texObj, target, level, internalFormat,
3220 width, 1, 1, border, format, type, 0, pixels, false);
3221 }
3222
3223 void GLAPIENTRY
3224 _mesa_MultiTexImage1DEXT(GLenum texunit, GLenum target, GLint level,
3225 GLint internalFormat, GLsizei width, GLint border,
3226 GLenum format, GLenum type, const GLvoid *pixels )
3227 {
3228 struct gl_texture_object* texObj;
3229 GET_CURRENT_CONTEXT(ctx);
3230
3231 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3232 texunit - GL_TEXTURE0,
3233 true,
3234 "glMultiTexImage1DEXT");
3235 if (!texObj)
3236 return;
3237 teximage(ctx, GL_FALSE, 1, texObj, target, level, internalFormat, width, 1, 1,
3238 border, format, type, 0, pixels, false);
3239 }
3240
3241 void GLAPIENTRY
3242 _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
3243 GLsizei width, GLsizei height, GLint border,
3244 GLenum format, GLenum type,
3245 const GLvoid *pixels )
3246 {
3247 GET_CURRENT_CONTEXT(ctx);
3248 teximage_err(ctx, GL_FALSE, 2, target, level, internalFormat, width, height, 1,
3249 border, format, type, 0, pixels);
3250 }
3251
3252 void GLAPIENTRY
3253 _mesa_TextureImage2DEXT(GLuint texture, GLenum target, GLint level,
3254 GLint internalFormat, GLsizei width, GLsizei height,
3255 GLint border,
3256 GLenum format, GLenum type, const GLvoid *pixels )
3257 {
3258 struct gl_texture_object* texObj;
3259 GET_CURRENT_CONTEXT(ctx);
3260
3261 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
3262 "glTextureImage2DEXT");
3263 if (!texObj)
3264 return;
3265 teximage(ctx, GL_FALSE, 2, texObj, target, level, internalFormat,
3266 width, height, 1, border, format, type, 0, pixels, false);
3267 }
3268
3269 void GLAPIENTRY
3270 _mesa_MultiTexImage2DEXT(GLenum texunit, GLenum target, GLint level,
3271 GLint internalFormat, GLsizei width, GLsizei height,
3272 GLint border,
3273 GLenum format, GLenum type, const GLvoid *pixels )
3274 {
3275 struct gl_texture_object* texObj;
3276 GET_CURRENT_CONTEXT(ctx);
3277
3278 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3279 texunit - GL_TEXTURE0,
3280 true,
3281 "glMultiTexImage2DEXT");
3282 if (!texObj)
3283 return;
3284 teximage(ctx, GL_FALSE, 2, texObj, target, level, internalFormat, width, height, 1,
3285 border, format, type, 0, pixels, false);
3286 }
3287
3288 /*
3289 * Called by the API or display list executor.
3290 * Note that width and height include the border.
3291 */
3292 void GLAPIENTRY
3293 _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
3294 GLsizei width, GLsizei height, GLsizei depth,
3295 GLint border, GLenum format, GLenum type,
3296 const GLvoid *pixels )
3297 {
3298 GET_CURRENT_CONTEXT(ctx);
3299 teximage_err(ctx, GL_FALSE, 3, target, level, internalFormat,
3300 width, height, depth, border, format, type, 0, pixels);
3301 }
3302
3303 void GLAPIENTRY
3304 _mesa_TextureImage3DEXT(GLuint texture, GLenum target, GLint level,
3305 GLint internalFormat, GLsizei width, GLsizei height,
3306 GLsizei depth, GLint border,
3307 GLenum format, GLenum type, const GLvoid *pixels )
3308 {
3309 struct gl_texture_object* texObj;
3310 GET_CURRENT_CONTEXT(ctx);
3311
3312 texObj = _mesa_lookup_or_create_texture(ctx, target, texture, false, true,
3313 "glTextureImage3DEXT");
3314 if (!texObj)
3315 return;
3316 teximage(ctx, GL_FALSE, 3, texObj, target, level, internalFormat,
3317 width, height, depth, border, format, type, 0, pixels, false);
3318 }
3319
3320
3321 void GLAPIENTRY
3322 _mesa_MultiTexImage3DEXT(GLenum texunit, GLenum target, GLint level,
3323 GLint internalFormat, GLsizei width, GLsizei height,
3324 GLsizei depth, GLint border, GLenum format, GLenum type,
3325 const GLvoid *pixels )
3326 {
3327 struct gl_texture_object* texObj;
3328 GET_CURRENT_CONTEXT(ctx);
3329
3330 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3331 texunit - GL_TEXTURE0,
3332 true,
3333 "glMultiTexImage3DEXT");
3334 if (!texObj)
3335 return;
3336 teximage(ctx, GL_FALSE, 3, texObj, target, level, internalFormat,
3337 width, height, depth, border, format, type, 0, pixels, false);
3338 }
3339
3340
3341 void GLAPIENTRY
3342 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
3343 GLsizei width, GLsizei height, GLsizei depth,
3344 GLint border, GLenum format, GLenum type,
3345 const GLvoid *pixels )
3346 {
3347 _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height,
3348 depth, border, format, type, pixels);
3349 }
3350
3351
3352 void GLAPIENTRY
3353 _mesa_TexImage1D_no_error(GLenum target, GLint level, GLint internalFormat,
3354 GLsizei width, GLint border, GLenum format,
3355 GLenum type, const GLvoid *pixels)
3356 {
3357 GET_CURRENT_CONTEXT(ctx);
3358 teximage_no_error(ctx, GL_FALSE, 1, target, level, internalFormat, width, 1,
3359 1, border, format, type, 0, pixels);
3360 }
3361
3362
3363 void GLAPIENTRY
3364 _mesa_TexImage2D_no_error(GLenum target, GLint level, GLint internalFormat,
3365 GLsizei width, GLsizei height, GLint border,
3366 GLenum format, GLenum type, const GLvoid *pixels)
3367 {
3368 GET_CURRENT_CONTEXT(ctx);
3369 teximage_no_error(ctx, GL_FALSE, 2, target, level, internalFormat, width,
3370 height, 1, border, format, type, 0, pixels);
3371 }
3372
3373
3374 void GLAPIENTRY
3375 _mesa_TexImage3D_no_error(GLenum target, GLint level, GLint internalFormat,
3376 GLsizei width, GLsizei height, GLsizei depth,
3377 GLint border, GLenum format, GLenum type,
3378 const GLvoid *pixels )
3379 {
3380 GET_CURRENT_CONTEXT(ctx);
3381 teximage_no_error(ctx, GL_FALSE, 3, target, level, internalFormat,
3382 width, height, depth, border, format, type, 0, pixels);
3383 }
3384
3385
3386 void GLAPIENTRY
3387 _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
3388 {
3389 struct gl_texture_object *texObj;
3390 struct gl_texture_image *texImage;
3391 bool valid_target;
3392 GET_CURRENT_CONTEXT(ctx);
3393 FLUSH_VERTICES(ctx, 0);
3394
3395 switch (target) {
3396 case GL_TEXTURE_2D:
3397 valid_target = ctx->Extensions.OES_EGL_image;
3398 break;
3399 case GL_TEXTURE_EXTERNAL_OES:
3400 valid_target =
3401 _mesa_is_gles(ctx) ? ctx->Extensions.OES_EGL_image_external : false;
3402 break;
3403 default:
3404 valid_target = false;
3405 break;
3406 }
3407
3408 if (!valid_target) {
3409 _mesa_error(ctx, GL_INVALID_ENUM,
3410 "glEGLImageTargetTexture2D(target=%d)", target);
3411 return;
3412 }
3413
3414 if (!image) {
3415 _mesa_error(ctx, GL_INVALID_OPERATION,
3416 "glEGLImageTargetTexture2D(image=%p)", image);
3417 return;
3418 }
3419
3420 if (ctx->NewState & _NEW_PIXEL)
3421 _mesa_update_state(ctx);
3422
3423 texObj = _mesa_get_current_tex_object(ctx, target);
3424 if (!texObj)
3425 return;
3426
3427 _mesa_lock_texture(ctx, texObj);
3428
3429 if (texObj->Immutable) {
3430 _mesa_error(ctx, GL_INVALID_OPERATION,
3431 "glEGLImageTargetTexture2D(texture is immutable)");
3432 _mesa_unlock_texture(ctx, texObj);
3433 return;
3434 }
3435
3436 texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
3437 if (!texImage) {
3438 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D");
3439 } else {
3440 ctx->Driver.FreeTextureImageBuffer(ctx, texImage);
3441
3442 ctx->Driver.EGLImageTargetTexture2D(ctx, target,
3443 texObj, texImage, image);
3444
3445 _mesa_dirty_texobj(ctx, texObj);
3446 }
3447 _mesa_unlock_texture(ctx, texObj);
3448 }
3449
3450 /**
3451 * Helper that implements the glTexSubImage1/2/3D()
3452 * and glTextureSubImage1/2/3D() functions.
3453 */
3454 static void
3455 texture_sub_image(struct gl_context *ctx, GLuint dims,
3456 struct gl_texture_object *texObj,
3457 struct gl_texture_image *texImage,
3458 GLenum target, GLint level,
3459 GLint xoffset, GLint yoffset, GLint zoffset,
3460 GLsizei width, GLsizei height, GLsizei depth,
3461 GLenum format, GLenum type, const GLvoid *pixels)
3462 {
3463 FLUSH_VERTICES(ctx, 0);
3464
3465 if (ctx->NewState & _NEW_PIXEL)
3466 _mesa_update_state(ctx);
3467
3468 _mesa_lock_texture(ctx, texObj);
3469 {
3470 if (width > 0 && height > 0 && depth > 0) {
3471 /* If we have a border, offset=-1 is legal. Bias by border width. */
3472 switch (dims) {
3473 case 3:
3474 if (target != GL_TEXTURE_2D_ARRAY)
3475 zoffset += texImage->Border;
3476 /* fall-through */
3477 case 2:
3478 if (target != GL_TEXTURE_1D_ARRAY)
3479 yoffset += texImage->Border;
3480 /* fall-through */
3481 case 1:
3482 xoffset += texImage->Border;
3483 }
3484
3485 ctx->Driver.TexSubImage(ctx, dims, texImage,
3486 xoffset, yoffset, zoffset,
3487 width, height, depth,
3488 format, type, pixels, &ctx->Unpack);
3489
3490 check_gen_mipmap(ctx, target, texObj, level);
3491
3492 /* NOTE: Don't signal _NEW_TEXTURE_OBJECT since we've only changed
3493 * the texel data, not the texture format, size, etc.
3494 */
3495 }
3496 }
3497 _mesa_unlock_texture(ctx, texObj);
3498 }
3499
3500 /**
3501 * Implement all the glTexSubImage1/2/3D() functions.
3502 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3503 */
3504 static void
3505 texsubimage_err(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
3506 GLint xoffset, GLint yoffset, GLint zoffset,
3507 GLsizei width, GLsizei height, GLsizei depth,
3508 GLenum format, GLenum type, const GLvoid *pixels,
3509 const char *callerName)
3510 {
3511 struct gl_texture_object *texObj;
3512 struct gl_texture_image *texImage;
3513
3514 /* check target (proxies not allowed) */
3515 if (!legal_texsubimage_target(ctx, dims, target, false)) {
3516 _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage%uD(target=%s)",
3517 dims, _mesa_enum_to_string(target));
3518 return;
3519 }
3520
3521 texObj = _mesa_get_current_tex_object(ctx, target);
3522 if (!texObj)
3523 return;
3524
3525 if (texsubimage_error_check(ctx, dims, texObj, target, level,
3526 xoffset, yoffset, zoffset,
3527 width, height, depth, format, type,
3528 pixels, callerName)) {
3529 return; /* error was detected */
3530 }
3531
3532 texImage = _mesa_select_tex_image(texObj, target, level);
3533 /* texsubimage_error_check ensures that texImage is not NULL */
3534
3535 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
3536 _mesa_debug(ctx, "glTexSubImage%uD %s %d %d %d %d %d %d %d %s %s %p\n",
3537 dims,
3538 _mesa_enum_to_string(target), level,
3539 xoffset, yoffset, zoffset, width, height, depth,
3540 _mesa_enum_to_string(format),
3541 _mesa_enum_to_string(type), pixels);
3542
3543 texture_sub_image(ctx, dims, texObj, texImage, target, level,
3544 xoffset, yoffset, zoffset, width, height, depth,
3545 format, type, pixels);
3546 }
3547
3548
3549 static void
3550 texsubimage(struct gl_context *ctx, GLuint dims, GLenum target, GLint level,
3551 GLint xoffset, GLint yoffset, GLint zoffset,
3552 GLsizei width, GLsizei height, GLsizei depth,
3553 GLenum format, GLenum type, const GLvoid *pixels)
3554 {
3555 struct gl_texture_object *texObj;
3556 struct gl_texture_image *texImage;
3557
3558 texObj = _mesa_get_current_tex_object(ctx, target);
3559 texImage = _mesa_select_tex_image(texObj, target, level);
3560
3561 texture_sub_image(ctx, dims, texObj, texImage, target, level,
3562 xoffset, yoffset, zoffset, width, height, depth,
3563 format, type, pixels);
3564 }
3565
3566
3567 /**
3568 * Implement all the glTextureSubImage1/2/3D() functions.
3569 * Must split this out this way because of GL_TEXTURE_CUBE_MAP.
3570 */
3571 static ALWAYS_INLINE void
3572 texturesubimage(struct gl_context *ctx, GLuint dims,
3573 GLuint texture, GLenum target, GLint level,
3574 GLint xoffset, GLint yoffset, GLint zoffset,
3575 GLsizei width, GLsizei height, GLsizei depth,
3576 GLenum format, GLenum type, const GLvoid *pixels,
3577 const char *callerName, bool no_error, bool ext_dsa)
3578 {
3579 struct gl_texture_object *texObj;
3580 struct gl_texture_image *texImage;
3581 int i;
3582
3583 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
3584 _mesa_debug(ctx,
3585 "glTextureSubImage%uD %d %d %d %d %d %d %d %d %s %s %p\n",
3586 dims, texture, level,
3587 xoffset, yoffset, zoffset, width, height, depth,
3588 _mesa_enum_to_string(format),
3589 _mesa_enum_to_string(type), pixels);
3590
3591 /* Get the texture object by Name. */
3592 if (!no_error) {
3593 if (!ext_dsa) {
3594 texObj = _mesa_lookup_texture_err(ctx, texture, callerName);
3595 } else {
3596 texObj = lookup_texture_ext_dsa(ctx, target, texture, callerName);
3597 }
3598 if (!texObj)
3599 return;
3600 } else {
3601 texObj = _mesa_lookup_texture(ctx, texture);
3602 }
3603
3604 if (!no_error) {
3605 /* check target (proxies not allowed) */
3606 if (!legal_texsubimage_target(ctx, dims, texObj->Target, true)) {
3607 _mesa_error(ctx, GL_INVALID_ENUM, "%s(target=%s)",
3608 callerName, _mesa_enum_to_string(texObj->Target));
3609 return;
3610 }
3611
3612 if (texsubimage_error_check(ctx, dims, texObj, texObj->Target, level,
3613 xoffset, yoffset, zoffset,
3614 width, height, depth, format, type,
3615 pixels, callerName)) {
3616 return; /* error was detected */
3617 }
3618 }
3619
3620 /* Must handle special case GL_TEXTURE_CUBE_MAP. */
3621 if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
3622 GLint imageStride;
3623
3624 /*
3625 * What do we do if the user created a texture with the following code
3626 * and then called this function with its handle?
3627 *
3628 * GLuint tex;
3629 * glCreateTextures(GL_TEXTURE_CUBE_MAP, 1, &tex);
3630 * glBindTexture(GL_TEXTURE_CUBE_MAP, tex);
3631 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, ...);
3632 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, ...);
3633 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, ...);
3634 * // Note: GL_TEXTURE_CUBE_MAP_NEGATIVE_Y not set, or given the
3635 * // wrong format, or given the wrong size, etc.
3636 * glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, ...);
3637 * glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, ...);
3638 *
3639 * A bug has been filed against the spec for this case. In the
3640 * meantime, we will check for cube completeness.
3641 *
3642 * According to Section 8.17 Texture Completeness in the OpenGL 4.5
3643 * Core Profile spec (30.10.2014):
3644 * "[A] cube map texture is cube complete if the
3645 * following conditions all hold true: The [base level] texture
3646 * images of each of the six cube map faces have identical, positive,
3647 * and square dimensions. The [base level] images were each specified
3648 * with the same internal format."
3649 *
3650 * It seems reasonable to check for cube completeness of an arbitrary
3651 * level here so that the image data has a consistent format and size.
3652 */
3653 if (!no_error && !_mesa_cube_level_complete(texObj, level)) {
3654 _mesa_error(ctx, GL_INVALID_OPERATION,
3655 "glTextureSubImage%uD(cube map incomplete)",
3656 dims);
3657 return;
3658 }
3659
3660 imageStride = _mesa_image_image_stride(&ctx->Unpack, width, height,
3661 format, type);
3662 /* Copy in each face. */
3663 for (i = zoffset; i < zoffset + depth; ++i) {
3664 texImage = texObj->Image[i][level];
3665 assert(texImage);
3666
3667 texture_sub_image(ctx, 3, texObj, texImage, texObj->Target,
3668 level, xoffset, yoffset, 0,
3669 width, height, 1, format,
3670 type, pixels);
3671 pixels = (GLubyte *) pixels + imageStride;
3672 }
3673 }
3674 else {
3675 texImage = _mesa_select_tex_image(texObj, texObj->Target, level);
3676 assert(texImage);
3677
3678 texture_sub_image(ctx, dims, texObj, texImage, texObj->Target,
3679 level, xoffset, yoffset, zoffset,
3680 width, height, depth, format,
3681 type, pixels);
3682 }
3683 }
3684
3685
3686 static void
3687 texturesubimage_error(struct gl_context *ctx, GLuint dims,
3688 GLuint texture, GLenum target, GLint level,
3689 GLint xoffset, GLint yoffset, GLint zoffset,
3690 GLsizei width, GLsizei height, GLsizei depth,
3691 GLenum format, GLenum type, const GLvoid *pixels,
3692 const char *callerName, bool ext_dsa)
3693 {
3694 texturesubimage(ctx, dims, texture, target, level, xoffset, yoffset,
3695 zoffset, width, height, depth, format, type, pixels,
3696 callerName, false, ext_dsa);
3697 }
3698
3699
3700 static void
3701 texturesubimage_no_error(struct gl_context *ctx, GLuint dims,
3702 GLuint texture, GLenum target, GLint level,
3703 GLint xoffset, GLint yoffset, GLint zoffset,
3704 GLsizei width, GLsizei height, GLsizei depth,
3705 GLenum format, GLenum type, const GLvoid *pixels,
3706 const char *callerName, bool ext_dsa)
3707 {
3708 texturesubimage(ctx, dims, texture, target, level, xoffset, yoffset,
3709 zoffset, width, height, depth, format, type, pixels,
3710 callerName, true, ext_dsa);
3711 }
3712
3713
3714 void GLAPIENTRY
3715 _mesa_TexSubImage1D_no_error(GLenum target, GLint level,
3716 GLint xoffset, GLsizei width,
3717 GLenum format, GLenum type,
3718 const GLvoid *pixels)
3719 {
3720 GET_CURRENT_CONTEXT(ctx);
3721 texsubimage(ctx, 1, target, level,
3722 xoffset, 0, 0,
3723 width, 1, 1,
3724 format, type, pixels);
3725 }
3726
3727
3728 void GLAPIENTRY
3729 _mesa_TexSubImage1D( GLenum target, GLint level,
3730 GLint xoffset, GLsizei width,
3731 GLenum format, GLenum type,
3732 const GLvoid *pixels )
3733 {
3734 GET_CURRENT_CONTEXT(ctx);
3735 texsubimage_err(ctx, 1, target, level,
3736 xoffset, 0, 0,
3737 width, 1, 1,
3738 format, type, pixels, "glTexSubImage1D");
3739 }
3740
3741
3742 void GLAPIENTRY
3743 _mesa_TexSubImage2D_no_error(GLenum target, GLint level,
3744 GLint xoffset, GLint yoffset,
3745 GLsizei width, GLsizei height,
3746 GLenum format, GLenum type,
3747 const GLvoid *pixels)
3748 {
3749 GET_CURRENT_CONTEXT(ctx);
3750 texsubimage(ctx, 2, target, level,
3751 xoffset, yoffset, 0,
3752 width, height, 1,
3753 format, type, pixels);
3754 }
3755
3756
3757 void GLAPIENTRY
3758 _mesa_TexSubImage2D( GLenum target, GLint level,
3759 GLint xoffset, GLint yoffset,
3760 GLsizei width, GLsizei height,
3761 GLenum format, GLenum type,
3762 const GLvoid *pixels )
3763 {
3764 GET_CURRENT_CONTEXT(ctx);
3765 texsubimage_err(ctx, 2, target, level,
3766 xoffset, yoffset, 0,
3767 width, height, 1,
3768 format, type, pixels, "glTexSubImage2D");
3769 }
3770
3771
3772 void GLAPIENTRY
3773 _mesa_TexSubImage3D_no_error(GLenum target, GLint level,
3774 GLint xoffset, GLint yoffset, GLint zoffset,
3775 GLsizei width, GLsizei height, GLsizei depth,
3776 GLenum format, GLenum type,
3777 const GLvoid *pixels)
3778 {
3779 GET_CURRENT_CONTEXT(ctx);
3780 texsubimage(ctx, 3, target, level,
3781 xoffset, yoffset, zoffset,
3782 width, height, depth,
3783 format, type, pixels);
3784 }
3785
3786
3787 void GLAPIENTRY
3788 _mesa_TexSubImage3D( GLenum target, GLint level,
3789 GLint xoffset, GLint yoffset, GLint zoffset,
3790 GLsizei width, GLsizei height, GLsizei depth,
3791 GLenum format, GLenum type,
3792 const GLvoid *pixels )
3793 {
3794 GET_CURRENT_CONTEXT(ctx);
3795 texsubimage_err(ctx, 3, target, level,
3796 xoffset, yoffset, zoffset,
3797 width, height, depth,
3798 format, type, pixels, "glTexSubImage3D");
3799 }
3800
3801
3802 void GLAPIENTRY
3803 _mesa_TextureSubImage1D_no_error(GLuint texture, GLint level, GLint xoffset,
3804 GLsizei width, GLenum format, GLenum type,
3805 const GLvoid *pixels)
3806 {
3807 GET_CURRENT_CONTEXT(ctx);
3808 texturesubimage_no_error(ctx, 1, texture, 0, level, xoffset, 0, 0, width,
3809 1, 1, format, type, pixels, "glTextureSubImage1D",
3810 false);
3811 }
3812
3813
3814 void GLAPIENTRY
3815 _mesa_TextureSubImage1DEXT(GLuint texture, GLenum target, GLint level,
3816 GLint xoffset, GLsizei width,
3817 GLenum format, GLenum type,
3818 const GLvoid *pixels)
3819 {
3820 GET_CURRENT_CONTEXT(ctx);
3821 texturesubimage_error(ctx, 1, texture, target, level, xoffset, 0, 0, width, 1,
3822 1, format, type, pixels, "glTextureSubImage1DEXT",
3823 false);
3824 }
3825
3826
3827 void GLAPIENTRY
3828 _mesa_MultiTexSubImage1DEXT(GLenum texunit, GLenum target, GLint level,
3829 GLint xoffset, GLsizei width,
3830 GLenum format, GLenum type,
3831 const GLvoid *pixels)
3832 {
3833 GET_CURRENT_CONTEXT(ctx);
3834 struct gl_texture_object *texObj;
3835 struct gl_texture_image *texImage;
3836
3837 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3838 texunit - GL_TEXTURE0,
3839 false,
3840 "glMultiTexImage1DEXT");
3841 texImage = _mesa_select_tex_image(texObj, target, level);
3842
3843 texture_sub_image(ctx, 1, texObj, texImage, target, level,
3844 xoffset, 0, 0, width, 1, 1,
3845 format, type, pixels);
3846 }
3847
3848
3849 void GLAPIENTRY
3850 _mesa_TextureSubImage1D(GLuint texture, GLint level,
3851 GLint xoffset, GLsizei width,
3852 GLenum format, GLenum type,
3853 const GLvoid *pixels)
3854 {
3855 GET_CURRENT_CONTEXT(ctx);
3856 texturesubimage_error(ctx, 1, texture, 0, level, xoffset, 0, 0, width, 1,
3857 1, format, type, pixels, "glTextureSubImage1D",
3858 false);
3859 }
3860
3861
3862 void GLAPIENTRY
3863 _mesa_TextureSubImage2D_no_error(GLuint texture, GLint level, GLint xoffset,
3864 GLint yoffset, GLsizei width, GLsizei height,
3865 GLenum format, GLenum type,
3866 const GLvoid *pixels)
3867 {
3868 GET_CURRENT_CONTEXT(ctx);
3869 texturesubimage_no_error(ctx, 2, texture, 0, level, xoffset, yoffset, 0,
3870 width, height, 1, format, type, pixels,
3871 "glTextureSubImage2D", false);
3872 }
3873
3874
3875 void GLAPIENTRY
3876 _mesa_TextureSubImage2DEXT(GLuint texture, GLenum target, GLint level,
3877 GLint xoffset, GLint yoffset, GLsizei width,
3878 GLsizei height, GLenum format, GLenum type,
3879 const GLvoid *pixels)
3880 {
3881 GET_CURRENT_CONTEXT(ctx);
3882 texturesubimage_error(ctx, 2, texture, target, level, xoffset, yoffset, 0,
3883 width, height, 1, format, type, pixels,
3884 "glTextureSubImage2DEXT", true);
3885 }
3886
3887
3888 void GLAPIENTRY
3889 _mesa_MultiTexSubImage2DEXT(GLenum texunit, GLenum target, GLint level,
3890 GLint xoffset, GLint yoffset, GLsizei width,
3891 GLsizei height, GLenum format, GLenum type,
3892 const GLvoid *pixels)
3893 {
3894 GET_CURRENT_CONTEXT(ctx);
3895 struct gl_texture_object *texObj;
3896 struct gl_texture_image *texImage;
3897
3898 texObj = _mesa_get_texobj_by_target_and_texunit(ctx, target,
3899 texunit - GL_TEXTURE0,
3900 false,
3901 "glMultiTexImage2DEXT");
3902 texImage = _mesa_select_tex_image(texObj, target, level);
3903
3904 texture_sub_image(ctx, 2, texObj, texImage, target, level,
3905 xoffset, yoffset, 0, width, height, 1,
3906 format, type, pixels);
3907 }
3908
3909
3910 void GLAPIENTRY
3911 _mesa_TextureSubImage2D(GLuint texture, GLint level,
3912 GLint xoffset, GLint yoffset,
3913 GLsizei width, GLsizei height,