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mesa: minor reformatting, new comments
[mesa.git] / src / mesa / main / teximage.c
1 /*
2 * mesa 3-D graphics library
3 * Version: 7.6
4 *
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26
27 /**
28 * \file teximage.c
29 * Texture image-related functions.
30 */
31
32
33 #include "glheader.h"
34 #include "bufferobj.h"
35 #include "context.h"
36 #include "convolve.h"
37 #include "enums.h"
38 #include "fbobject.h"
39 #include "framebuffer.h"
40 #include "hash.h"
41 #include "image.h"
42 #include "imports.h"
43 #include "macros.h"
44 #include "state.h"
45 #include "texcompress.h"
46 #include "texfetch.h"
47 #include "teximage.h"
48 #include "texstate.h"
49 #include "mtypes.h"
50
51
52 /**
53 * State changes which we care about for glCopyTex[Sub]Image() calls.
54 * In particular, we care about pixel transfer state and buffer state
55 * (such as glReadBuffer to make sure we read from the right renderbuffer).
56 */
57 #define NEW_COPY_TEX_STATE (_MESA_NEW_TRANSFER_STATE | \
58 _NEW_BUFFERS | \
59 _NEW_PIXEL)
60
61
62
63 /**
64 * We allocate texture memory on 512-byte boundaries so we can use MMX/SSE
65 * elsewhere.
66 */
67 void *
68 _mesa_alloc_texmemory(GLsizei bytes)
69 {
70 return _mesa_align_malloc(bytes, 512);
71 }
72
73
74 /**
75 * Free texture memory allocated with _mesa_alloc_texmemory()
76 */
77 void
78 _mesa_free_texmemory(void *m)
79 {
80 _mesa_align_free(m);
81 }
82
83
84 /*
85 * Compute floor(log_base_2(n)).
86 * If n < 0 return -1.
87 */
88 static int
89 logbase2( int n )
90 {
91 GLint i = 1;
92 GLint log2 = 0;
93
94 if (n < 0)
95 return -1;
96
97 if (n == 0)
98 return 0;
99
100 while ( n > i ) {
101 i *= 2;
102 log2++;
103 }
104 if (i != n) {
105 return log2 - 1;
106 }
107 else {
108 return log2;
109 }
110 }
111
112
113
114 /**
115 * Return the simple base format for a given internal texture format.
116 * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
117 *
118 * \param ctx GL context.
119 * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
120 *
121 * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
122 * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
123 *
124 * This is the format which is used during texture application (i.e. the
125 * texture format and env mode determine the arithmetic used.
126 *
127 * XXX this could be static
128 */
129 GLint
130 _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat )
131 {
132 switch (internalFormat) {
133 case GL_ALPHA:
134 case GL_ALPHA4:
135 case GL_ALPHA8:
136 case GL_ALPHA12:
137 case GL_ALPHA16:
138 return GL_ALPHA;
139 case 1:
140 case GL_LUMINANCE:
141 case GL_LUMINANCE4:
142 case GL_LUMINANCE8:
143 case GL_LUMINANCE12:
144 case GL_LUMINANCE16:
145 return GL_LUMINANCE;
146 case 2:
147 case GL_LUMINANCE_ALPHA:
148 case GL_LUMINANCE4_ALPHA4:
149 case GL_LUMINANCE6_ALPHA2:
150 case GL_LUMINANCE8_ALPHA8:
151 case GL_LUMINANCE12_ALPHA4:
152 case GL_LUMINANCE12_ALPHA12:
153 case GL_LUMINANCE16_ALPHA16:
154 return GL_LUMINANCE_ALPHA;
155 case GL_INTENSITY:
156 case GL_INTENSITY4:
157 case GL_INTENSITY8:
158 case GL_INTENSITY12:
159 case GL_INTENSITY16:
160 return GL_INTENSITY;
161 case 3:
162 case GL_RGB:
163 case GL_R3_G3_B2:
164 case GL_RGB4:
165 case GL_RGB5:
166 case GL_RGB8:
167 case GL_RGB10:
168 case GL_RGB12:
169 case GL_RGB16:
170 return GL_RGB;
171 case 4:
172 case GL_RGBA:
173 case GL_RGBA2:
174 case GL_RGBA4:
175 case GL_RGB5_A1:
176 case GL_RGBA8:
177 case GL_RGB10_A2:
178 case GL_RGBA12:
179 case GL_RGBA16:
180 return GL_RGBA;
181 default:
182 ; /* fallthrough */
183 }
184
185 if (ctx->Extensions.EXT_paletted_texture) {
186 switch (internalFormat) {
187 case GL_COLOR_INDEX:
188 case GL_COLOR_INDEX1_EXT:
189 case GL_COLOR_INDEX2_EXT:
190 case GL_COLOR_INDEX4_EXT:
191 case GL_COLOR_INDEX8_EXT:
192 case GL_COLOR_INDEX12_EXT:
193 case GL_COLOR_INDEX16_EXT:
194 return GL_COLOR_INDEX;
195 default:
196 ; /* fallthrough */
197 }
198 }
199
200 if (ctx->Extensions.ARB_depth_texture) {
201 switch (internalFormat) {
202 case GL_DEPTH_COMPONENT:
203 case GL_DEPTH_COMPONENT16:
204 case GL_DEPTH_COMPONENT24:
205 case GL_DEPTH_COMPONENT32:
206 return GL_DEPTH_COMPONENT;
207 default:
208 ; /* fallthrough */
209 }
210 }
211
212 switch (internalFormat) {
213 case GL_COMPRESSED_ALPHA:
214 return GL_ALPHA;
215 case GL_COMPRESSED_LUMINANCE:
216 return GL_LUMINANCE;
217 case GL_COMPRESSED_LUMINANCE_ALPHA:
218 return GL_LUMINANCE_ALPHA;
219 case GL_COMPRESSED_INTENSITY:
220 return GL_INTENSITY;
221 case GL_COMPRESSED_RGB:
222 return GL_RGB;
223 case GL_COMPRESSED_RGBA:
224 return GL_RGBA;
225 default:
226 ; /* fallthrough */
227 }
228
229 if (ctx->Extensions.TDFX_texture_compression_FXT1) {
230 switch (internalFormat) {
231 case GL_COMPRESSED_RGB_FXT1_3DFX:
232 return GL_RGB;
233 case GL_COMPRESSED_RGBA_FXT1_3DFX:
234 return GL_RGBA;
235 default:
236 ; /* fallthrough */
237 }
238 }
239
240 if (ctx->Extensions.EXT_texture_compression_s3tc) {
241 switch (internalFormat) {
242 case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
243 return GL_RGB;
244 case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
245 case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
246 case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
247 return GL_RGBA;
248 default:
249 ; /* fallthrough */
250 }
251 }
252
253 if (ctx->Extensions.S3_s3tc) {
254 switch (internalFormat) {
255 case GL_RGB_S3TC:
256 case GL_RGB4_S3TC:
257 return GL_RGB;
258 case GL_RGBA_S3TC:
259 case GL_RGBA4_S3TC:
260 return GL_RGBA;
261 default:
262 ; /* fallthrough */
263 }
264 }
265
266 if (ctx->Extensions.MESA_ycbcr_texture) {
267 if (internalFormat == GL_YCBCR_MESA)
268 return GL_YCBCR_MESA;
269 }
270
271 if (ctx->Extensions.ARB_texture_float) {
272 switch (internalFormat) {
273 case GL_ALPHA16F_ARB:
274 case GL_ALPHA32F_ARB:
275 return GL_ALPHA;
276 case GL_RGBA16F_ARB:
277 case GL_RGBA32F_ARB:
278 return GL_RGBA;
279 case GL_RGB16F_ARB:
280 case GL_RGB32F_ARB:
281 return GL_RGB;
282 case GL_INTENSITY16F_ARB:
283 case GL_INTENSITY32F_ARB:
284 return GL_INTENSITY;
285 case GL_LUMINANCE16F_ARB:
286 case GL_LUMINANCE32F_ARB:
287 return GL_LUMINANCE;
288 case GL_LUMINANCE_ALPHA16F_ARB:
289 case GL_LUMINANCE_ALPHA32F_ARB:
290 return GL_LUMINANCE_ALPHA;
291 default:
292 ; /* fallthrough */
293 }
294 }
295
296 if (ctx->Extensions.ATI_envmap_bumpmap) {
297 switch (internalFormat) {
298 case GL_DUDV_ATI:
299 case GL_DU8DV8_ATI:
300 return GL_DUDV_ATI;
301 default:
302 ; /* fallthrough */
303 }
304 }
305
306 if (ctx->Extensions.MESA_texture_signed_rgba) {
307 switch (internalFormat) {
308 case GL_RGBA_SNORM:
309 case GL_RGBA8_SNORM:
310 return GL_RGBA;
311 default:
312 ; /* fallthrough */
313 }
314 }
315
316 if (ctx->Extensions.EXT_packed_depth_stencil) {
317 switch (internalFormat) {
318 case GL_DEPTH_STENCIL_EXT:
319 case GL_DEPTH24_STENCIL8_EXT:
320 return GL_DEPTH_STENCIL_EXT;
321 default:
322 ; /* fallthrough */
323 }
324 }
325
326 #if FEATURE_EXT_texture_sRGB
327 if (ctx->Extensions.EXT_texture_sRGB) {
328 switch (internalFormat) {
329 case GL_SRGB_EXT:
330 case GL_SRGB8_EXT:
331 case GL_COMPRESSED_SRGB_EXT:
332 case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
333 return GL_RGB;
334 case GL_SRGB_ALPHA_EXT:
335 case GL_SRGB8_ALPHA8_EXT:
336 case GL_COMPRESSED_SRGB_ALPHA_EXT:
337 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
338 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
339 case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
340 return GL_RGBA;
341 case GL_SLUMINANCE_ALPHA_EXT:
342 case GL_SLUMINANCE8_ALPHA8_EXT:
343 case GL_COMPRESSED_SLUMINANCE_EXT:
344 case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
345 return GL_LUMINANCE_ALPHA;
346 case GL_SLUMINANCE_EXT:
347 case GL_SLUMINANCE8_EXT:
348 return GL_LUMINANCE;
349 default:
350 ; /* fallthrough */
351 }
352 }
353
354 #endif /* FEATURE_EXT_texture_sRGB */
355
356 return -1; /* error */
357 }
358
359
360 /**
361 * Test if it is a supported compressed format.
362 *
363 * \param internalFormat the internal format token provided by the user.
364 *
365 * \ret GL_TRUE if \p internalFormat is a supported compressed format, or
366 * GL_FALSE otherwise.
367 *
368 * Currently only GL_COMPRESSED_RGB_FXT1_3DFX and GL_COMPRESSED_RGBA_FXT1_3DFX
369 * are supported.
370 */
371 static GLboolean
372 is_compressed_format(GLcontext *ctx, GLenum internalFormat)
373 {
374 GLint supported[100]; /* 100 should be plenty */
375 GLuint i, n;
376
377 n = _mesa_get_compressed_formats(ctx, supported, GL_TRUE);
378 ASSERT(n < 100);
379 for (i = 0; i < n; i++) {
380 if ((GLint) internalFormat == supported[i]) {
381 return GL_TRUE;
382 }
383 }
384 return GL_FALSE;
385 }
386
387
388 /**
389 * For cube map faces, return a face index in [0,5].
390 * For other targets return 0;
391 */
392 GLuint
393 _mesa_tex_target_to_face(GLenum target)
394 {
395 if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
396 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)
397 return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
398 else
399 return 0;
400 }
401
402
403
404 /**
405 * Store a gl_texture_image pointer in a gl_texture_object structure
406 * according to the target and level parameters.
407 *
408 * \param tObj texture object.
409 * \param target texture target.
410 * \param level image level.
411 * \param texImage texture image.
412 *
413 * This was basically prompted by the introduction of cube maps.
414 */
415 void
416 _mesa_set_tex_image(struct gl_texture_object *tObj,
417 GLenum target, GLint level,
418 struct gl_texture_image *texImage)
419 {
420 const GLuint face = _mesa_tex_target_to_face(target);
421
422 ASSERT(tObj);
423 ASSERT(texImage);
424 ASSERT(target != GL_TEXTURE_RECTANGLE_NV || level == 0);
425
426 tObj->Image[face][level] = texImage;
427
428 /* Set the 'back' pointer */
429 texImage->TexObject = tObj;
430 }
431
432
433 /**
434 * Allocate a texture image structure.
435 *
436 * Called via ctx->Driver.NewTextureImage() unless overriden by a device
437 * driver.
438 *
439 * \return a pointer to gl_texture_image struct with all fields initialized to
440 * zero.
441 */
442 struct gl_texture_image *
443 _mesa_new_texture_image( GLcontext *ctx )
444 {
445 (void) ctx;
446 return CALLOC_STRUCT(gl_texture_image);
447 }
448
449
450 /**
451 * Free texture image data.
452 * This function is a fallback called via ctx->Driver.FreeTexImageData().
453 *
454 * \param texImage texture image.
455 *
456 * Free the texture image data if it's not marked as client data.
457 */
458 void
459 _mesa_free_texture_image_data(GLcontext *ctx,
460 struct gl_texture_image *texImage)
461 {
462 (void) ctx;
463
464 if (texImage->Data && !texImage->IsClientData) {
465 /* free the old texture data */
466 _mesa_free_texmemory(texImage->Data);
467 }
468
469 texImage->Data = NULL;
470 }
471
472
473 /**
474 * Free texture image.
475 *
476 * \param texImage texture image.
477 *
478 * Free the texture image structure and the associated image data.
479 */
480 void
481 _mesa_delete_texture_image( GLcontext *ctx, struct gl_texture_image *texImage )
482 {
483 /* Free texImage->Data and/or any other driver-specific texture
484 * image storage.
485 */
486 ASSERT(ctx->Driver.FreeTexImageData);
487 ctx->Driver.FreeTexImageData( ctx, texImage );
488
489 ASSERT(texImage->Data == NULL);
490 if (texImage->ImageOffsets)
491 free(texImage->ImageOffsets);
492 free(texImage);
493 }
494
495
496 /**
497 * Test if a target is a proxy target.
498 *
499 * \param target texture target.
500 *
501 * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
502 */
503 GLboolean
504 _mesa_is_proxy_texture(GLenum target)
505 {
506 /* NUM_TEXTURE_TARGETS should match number of terms below */
507 assert(NUM_TEXTURE_TARGETS == 7);
508
509 return (target == GL_PROXY_TEXTURE_1D ||
510 target == GL_PROXY_TEXTURE_2D ||
511 target == GL_PROXY_TEXTURE_3D ||
512 target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
513 target == GL_PROXY_TEXTURE_RECTANGLE_NV ||
514 target == GL_PROXY_TEXTURE_1D_ARRAY_EXT ||
515 target == GL_PROXY_TEXTURE_2D_ARRAY_EXT);
516 }
517
518
519 /**
520 * Get the texture object that corresponds to the target of the given texture unit.
521 *
522 * \param ctx GL context.
523 * \param texUnit texture unit.
524 * \param target texture target.
525 *
526 * \return pointer to the texture object on success, or NULL on failure.
527 *
528 * \sa gl_texture_unit.
529 */
530 struct gl_texture_object *
531 _mesa_select_tex_object(GLcontext *ctx, const struct gl_texture_unit *texUnit,
532 GLenum target)
533 {
534 switch (target) {
535 case GL_TEXTURE_1D:
536 return texUnit->CurrentTex[TEXTURE_1D_INDEX];
537 case GL_PROXY_TEXTURE_1D:
538 return ctx->Texture.ProxyTex[TEXTURE_1D_INDEX];
539 case GL_TEXTURE_2D:
540 return texUnit->CurrentTex[TEXTURE_2D_INDEX];
541 case GL_PROXY_TEXTURE_2D:
542 return ctx->Texture.ProxyTex[TEXTURE_2D_INDEX];
543 case GL_TEXTURE_3D:
544 return texUnit->CurrentTex[TEXTURE_3D_INDEX];
545 case GL_PROXY_TEXTURE_3D:
546 return ctx->Texture.ProxyTex[TEXTURE_3D_INDEX];
547 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
548 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
549 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
550 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
551 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
552 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
553 case GL_TEXTURE_CUBE_MAP_ARB:
554 return ctx->Extensions.ARB_texture_cube_map
555 ? texUnit->CurrentTex[TEXTURE_CUBE_INDEX] : NULL;
556 case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
557 return ctx->Extensions.ARB_texture_cube_map
558 ? ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX] : NULL;
559 case GL_TEXTURE_RECTANGLE_NV:
560 return ctx->Extensions.NV_texture_rectangle
561 ? texUnit->CurrentTex[TEXTURE_RECT_INDEX] : NULL;
562 case GL_PROXY_TEXTURE_RECTANGLE_NV:
563 return ctx->Extensions.NV_texture_rectangle
564 ? ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX] : NULL;
565 case GL_TEXTURE_1D_ARRAY_EXT:
566 return ctx->Extensions.MESA_texture_array
567 ? texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX] : NULL;
568 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
569 return ctx->Extensions.MESA_texture_array
570 ? ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX] : NULL;
571 case GL_TEXTURE_2D_ARRAY_EXT:
572 return ctx->Extensions.MESA_texture_array
573 ? texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX] : NULL;
574 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
575 return ctx->Extensions.MESA_texture_array
576 ? ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX] : NULL;
577 default:
578 _mesa_problem(NULL, "bad target in _mesa_select_tex_object()");
579 return NULL;
580 }
581 }
582
583
584 /**
585 * Return pointer to texture object for given target on current texture unit.
586 */
587 struct gl_texture_object *
588 _mesa_get_current_tex_object(GLcontext *ctx, GLenum target)
589 {
590 struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
591 return _mesa_select_tex_object(ctx, texUnit, target);
592 }
593
594
595 /**
596 * Get a texture image pointer from a texture object, given a texture
597 * target and mipmap level. The target and level parameters should
598 * have already been error-checked.
599 *
600 * \param ctx GL context.
601 * \param texObj texture unit.
602 * \param target texture target.
603 * \param level image level.
604 *
605 * \return pointer to the texture image structure, or NULL on failure.
606 */
607 struct gl_texture_image *
608 _mesa_select_tex_image(GLcontext *ctx, const struct gl_texture_object *texObj,
609 GLenum target, GLint level)
610 {
611 const GLuint face = _mesa_tex_target_to_face(target);
612
613 ASSERT(texObj);
614 ASSERT(level >= 0);
615 ASSERT(level < MAX_TEXTURE_LEVELS);
616
617 return texObj->Image[face][level];
618 }
619
620
621 /**
622 * Like _mesa_select_tex_image() but if the image doesn't exist, allocate
623 * it and install it. Only return NULL if passed a bad parameter or run
624 * out of memory.
625 */
626 struct gl_texture_image *
627 _mesa_get_tex_image(GLcontext *ctx, struct gl_texture_object *texObj,
628 GLenum target, GLint level)
629 {
630 struct gl_texture_image *texImage;
631
632 if (!texObj)
633 return NULL;
634
635 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
636 if (!texImage) {
637 texImage = ctx->Driver.NewTextureImage(ctx);
638 if (!texImage) {
639 _mesa_error(ctx, GL_OUT_OF_MEMORY, "texture image allocation");
640 return NULL;
641 }
642
643 _mesa_set_tex_image(texObj, target, level, texImage);
644 }
645
646 return texImage;
647 }
648
649
650 /**
651 * Return pointer to the specified proxy texture image.
652 * Note that proxy textures are per-context, not per-texture unit.
653 * \return pointer to texture image or NULL if invalid target, invalid
654 * level, or out of memory.
655 */
656 struct gl_texture_image *
657 _mesa_get_proxy_tex_image(GLcontext *ctx, GLenum target, GLint level)
658 {
659 struct gl_texture_image *texImage;
660 GLuint texIndex;
661
662 if (level < 0 )
663 return NULL;
664
665 switch (target) {
666 case GL_PROXY_TEXTURE_1D:
667 if (level >= ctx->Const.MaxTextureLevels)
668 return NULL;
669 texIndex = TEXTURE_1D_INDEX;
670 break;
671 case GL_PROXY_TEXTURE_2D:
672 if (level >= ctx->Const.MaxTextureLevels)
673 return NULL;
674 texIndex = TEXTURE_2D_INDEX;
675 break;
676 case GL_PROXY_TEXTURE_3D:
677 if (level >= ctx->Const.Max3DTextureLevels)
678 return NULL;
679 texIndex = TEXTURE_3D_INDEX;
680 break;
681 case GL_PROXY_TEXTURE_CUBE_MAP:
682 if (level >= ctx->Const.MaxCubeTextureLevels)
683 return NULL;
684 texIndex = TEXTURE_CUBE_INDEX;
685 break;
686 case GL_PROXY_TEXTURE_RECTANGLE_NV:
687 if (level > 0)
688 return NULL;
689 texIndex = TEXTURE_RECT_INDEX;
690 break;
691 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
692 if (level >= ctx->Const.MaxTextureLevels)
693 return NULL;
694 texIndex = TEXTURE_1D_ARRAY_INDEX;
695 break;
696 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
697 if (level >= ctx->Const.MaxTextureLevels)
698 return NULL;
699 texIndex = TEXTURE_2D_ARRAY_INDEX;
700 break;
701 default:
702 return NULL;
703 }
704
705 texImage = ctx->Texture.ProxyTex[texIndex]->Image[0][level];
706 if (!texImage) {
707 texImage = ctx->Driver.NewTextureImage(ctx);
708 if (!texImage) {
709 _mesa_error(ctx, GL_OUT_OF_MEMORY, "proxy texture allocation");
710 return NULL;
711 }
712 ctx->Texture.ProxyTex[texIndex]->Image[0][level] = texImage;
713 /* Set the 'back' pointer */
714 texImage->TexObject = ctx->Texture.ProxyTex[texIndex];
715 }
716 return texImage;
717 }
718
719
720 /**
721 * Get the maximum number of allowed mipmap levels.
722 *
723 * \param ctx GL context.
724 * \param target texture target.
725 *
726 * \return the maximum number of allowed mipmap levels for the given
727 * texture target, or zero if passed a bad target.
728 *
729 * \sa gl_constants.
730 */
731 GLint
732 _mesa_max_texture_levels(GLcontext *ctx, GLenum target)
733 {
734 switch (target) {
735 case GL_TEXTURE_1D:
736 case GL_PROXY_TEXTURE_1D:
737 case GL_TEXTURE_2D:
738 case GL_PROXY_TEXTURE_2D:
739 return ctx->Const.MaxTextureLevels;
740 case GL_TEXTURE_3D:
741 case GL_PROXY_TEXTURE_3D:
742 return ctx->Const.Max3DTextureLevels;
743 case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
744 case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
745 case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
746 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
747 case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
748 case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
749 case GL_TEXTURE_CUBE_MAP_ARB:
750 case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
751 return ctx->Extensions.ARB_texture_cube_map
752 ? ctx->Const.MaxCubeTextureLevels : 0;
753 case GL_TEXTURE_RECTANGLE_NV:
754 case GL_PROXY_TEXTURE_RECTANGLE_NV:
755 return ctx->Extensions.NV_texture_rectangle ? 1 : 0;
756 case GL_TEXTURE_1D_ARRAY_EXT:
757 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
758 case GL_TEXTURE_2D_ARRAY_EXT:
759 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
760 return ctx->Extensions.MESA_texture_array
761 ? ctx->Const.MaxTextureLevels : 0;
762 default:
763 return 0; /* bad target */
764 }
765 }
766
767
768
769 #if 000 /* not used anymore */
770 /*
771 * glTexImage[123]D can accept a NULL image pointer. In this case we
772 * create a texture image with unspecified image contents per the OpenGL
773 * spec.
774 */
775 static GLubyte *
776 make_null_texture(GLint width, GLint height, GLint depth, GLenum format)
777 {
778 const GLint components = _mesa_components_in_format(format);
779 const GLint numPixels = width * height * depth;
780 GLubyte *data = (GLubyte *) MALLOC(numPixels * components * sizeof(GLubyte));
781
782 #ifdef DEBUG
783 /*
784 * Let's see if anyone finds this. If glTexImage2D() is called with
785 * a NULL image pointer then load the texture image with something
786 * interesting instead of leaving it indeterminate.
787 */
788 if (data) {
789 static const char message[8][32] = {
790 " X X XXXXX XXX X ",
791 " XX XX X X X X X ",
792 " X X X X X X X ",
793 " X X XXXX XXX XXXXX ",
794 " X X X X X X ",
795 " X X X X X X X ",
796 " X X XXXXX XXX X X ",
797 " "
798 };
799
800 GLubyte *imgPtr = data;
801 GLint h, i, j, k;
802 for (h = 0; h < depth; h++) {
803 for (i = 0; i < height; i++) {
804 GLint srcRow = 7 - (i % 8);
805 for (j = 0; j < width; j++) {
806 GLint srcCol = j % 32;
807 GLubyte texel = (message[srcRow][srcCol]=='X') ? 255 : 70;
808 for (k = 0; k < components; k++) {
809 *imgPtr++ = texel;
810 }
811 }
812 }
813 }
814 }
815 #endif
816
817 return data;
818 }
819 #endif
820
821
822
823 /**
824 * Reset the fields of a gl_texture_image struct to zero.
825 *
826 * \param img texture image structure.
827 *
828 * This is called when a proxy texture test fails, we set all the
829 * image members (except DriverData) to zero.
830 * It's also used in glTexImage[123]D as a safeguard to be sure all
831 * required fields get initialized properly by the Driver.TexImage[123]D
832 * functions.
833 */
834 static void
835 clear_teximage_fields(struct gl_texture_image *img)
836 {
837 ASSERT(img);
838 img->_BaseFormat = 0;
839 img->InternalFormat = 0;
840 img->Border = 0;
841 img->Width = 0;
842 img->Height = 0;
843 img->Depth = 0;
844 img->RowStride = 0;
845 if (img->ImageOffsets) {
846 free(img->ImageOffsets);
847 img->ImageOffsets = NULL;
848 }
849 img->Width2 = 0;
850 img->Height2 = 0;
851 img->Depth2 = 0;
852 img->WidthLog2 = 0;
853 img->HeightLog2 = 0;
854 img->DepthLog2 = 0;
855 img->Data = NULL;
856 img->TexFormat = MESA_FORMAT_NONE;
857 img->FetchTexelc = NULL;
858 img->FetchTexelf = NULL;
859 }
860
861
862 /**
863 * Initialize basic fields of the gl_texture_image struct.
864 *
865 * \param ctx GL context.
866 * \param target texture target (GL_TEXTURE_1D, GL_TEXTURE_RECTANGLE, etc).
867 * \param img texture image structure to be initialized.
868 * \param width image width.
869 * \param height image height.
870 * \param depth image depth.
871 * \param border image border.
872 * \param internalFormat internal format.
873 *
874 * Fills in the fields of \p img with the given information.
875 * Note: width, height and depth include the border.
876 */
877 void
878 _mesa_init_teximage_fields(GLcontext *ctx, GLenum target,
879 struct gl_texture_image *img,
880 GLsizei width, GLsizei height, GLsizei depth,
881 GLint border, GLenum internalFormat)
882 {
883 GLint i;
884
885 ASSERT(img);
886 ASSERT(width >= 0);
887 ASSERT(height >= 0);
888 ASSERT(depth >= 0);
889
890 img->_BaseFormat = _mesa_base_tex_format( ctx, internalFormat );
891 ASSERT(img->_BaseFormat > 0);
892 img->InternalFormat = internalFormat;
893 img->Border = border;
894 img->Width = width;
895 img->Height = height;
896 img->Depth = depth;
897
898 img->Width2 = width - 2 * border; /* == 1 << img->WidthLog2; */
899 img->WidthLog2 = logbase2(img->Width2);
900
901 if (height == 1) { /* 1-D texture */
902 img->Height2 = 1;
903 img->HeightLog2 = 0;
904 }
905 else {
906 img->Height2 = height - 2 * border; /* == 1 << img->HeightLog2; */
907 img->HeightLog2 = logbase2(img->Height2);
908 }
909
910 if (depth == 1) { /* 2-D texture */
911 img->Depth2 = 1;
912 img->DepthLog2 = 0;
913 }
914 else {
915 img->Depth2 = depth - 2 * border; /* == 1 << img->DepthLog2; */
916 img->DepthLog2 = logbase2(img->Depth2);
917 }
918
919 img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
920
921 if ((width == 1 || _mesa_is_pow_two(img->Width2)) &&
922 (height == 1 || _mesa_is_pow_two(img->Height2)) &&
923 (depth == 1 || _mesa_is_pow_two(img->Depth2)))
924 img->_IsPowerOfTwo = GL_TRUE;
925 else
926 img->_IsPowerOfTwo = GL_FALSE;
927
928 /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
929 img->RowStride = width;
930 /* Allocate the ImageOffsets array and initialize to typical values.
931 * We allocate the array for 1D/2D textures too in order to avoid special-
932 * case code in the texstore routines.
933 */
934 if (img->ImageOffsets)
935 free(img->ImageOffsets);
936 img->ImageOffsets = (GLuint *) malloc(depth * sizeof(GLuint));
937 for (i = 0; i < depth; i++) {
938 img->ImageOffsets[i] = i * width * height;
939 }
940
941 /* Compute Width/Height/DepthScale for mipmap lod computation */
942 if (target == GL_TEXTURE_RECTANGLE_NV) {
943 /* scale = 1.0 since texture coords directly map to texels */
944 img->WidthScale = 1.0;
945 img->HeightScale = 1.0;
946 img->DepthScale = 1.0;
947 }
948 else {
949 img->WidthScale = (GLfloat) img->Width;
950 img->HeightScale = (GLfloat) img->Height;
951 img->DepthScale = (GLfloat) img->Depth;
952 }
953
954 img->FetchTexelc = NULL;
955 img->FetchTexelf = NULL;
956 }
957
958
959 /**
960 * Free and clear fields of the gl_texture_image struct.
961 *
962 * \param ctx GL context.
963 * \param texImage texture image structure to be cleared.
964 *
965 * After the call, \p texImage will have no data associated with it. Its
966 * fields are cleared so that its parent object will test incomplete.
967 */
968 void
969 _mesa_clear_texture_image(GLcontext *ctx, struct gl_texture_image *texImage)
970 {
971 ctx->Driver.FreeTexImageData(ctx, texImage);
972 clear_teximage_fields(texImage);
973 }
974
975
976 /**
977 * This is the fallback for Driver.TestProxyTexImage(). Test the texture
978 * level, width, height and depth against the ctx->Const limits for textures.
979 *
980 * A hardware driver might override this function if, for example, the
981 * max 3D texture size is 512x512x64 (i.e. not a cube).
982 *
983 * Note that width, height, depth == 0 is not an error. However, a
984 * texture with zero width/height/depth will be considered "incomplete"
985 * and texturing will effectively be disabled.
986 *
987 * \param target one of GL_PROXY_TEXTURE_1D, GL_PROXY_TEXTURE_2D,
988 * GL_PROXY_TEXTURE_3D, GL_PROXY_TEXTURE_RECTANGLE_NV,
989 * GL_PROXY_TEXTURE_CUBE_MAP_ARB.
990 * \param level as passed to glTexImage
991 * \param internalFormat as passed to glTexImage
992 * \param format as passed to glTexImage
993 * \param type as passed to glTexImage
994 * \param width as passed to glTexImage
995 * \param height as passed to glTexImage
996 * \param depth as passed to glTexImage
997 * \param border as passed to glTexImage
998 * \return GL_TRUE if the image is acceptable, GL_FALSE if not acceptable.
999 */
1000 GLboolean
1001 _mesa_test_proxy_teximage(GLcontext *ctx, GLenum target, GLint level,
1002 GLint internalFormat, GLenum format, GLenum type,
1003 GLint width, GLint height, GLint depth, GLint border)
1004 {
1005 GLint maxSize;
1006
1007 (void) internalFormat;
1008 (void) format;
1009 (void) type;
1010
1011 switch (target) {
1012 case GL_PROXY_TEXTURE_1D:
1013 maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
1014 if (width < 2 * border || width > 2 + maxSize ||
1015 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1016 width >0 && !_mesa_is_pow_two(width - 2 * border)) ||
1017 level >= ctx->Const.MaxTextureLevels) {
1018 /* bad width or level */
1019 return GL_FALSE;
1020 }
1021 return GL_TRUE;
1022 case GL_PROXY_TEXTURE_2D:
1023 maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
1024 if (width < 2 * border || width > 2 + maxSize ||
1025 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1026 width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
1027 height < 2 * border || height > 2 + maxSize ||
1028 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1029 height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
1030 level >= ctx->Const.MaxTextureLevels) {
1031 /* bad width or height or level */
1032 return GL_FALSE;
1033 }
1034 return GL_TRUE;
1035 case GL_PROXY_TEXTURE_3D:
1036 maxSize = 1 << (ctx->Const.Max3DTextureLevels - 1);
1037 if (width < 2 * border || width > 2 + maxSize ||
1038 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1039 width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
1040 height < 2 * border || height > 2 + maxSize ||
1041 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1042 height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
1043 depth < 2 * border || depth > 2 + maxSize ||
1044 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1045 depth > 0 && !_mesa_is_pow_two(depth - 2 * border)) ||
1046 level >= ctx->Const.Max3DTextureLevels) {
1047 /* bad width or height or depth or level */
1048 return GL_FALSE;
1049 }
1050 return GL_TRUE;
1051 case GL_PROXY_TEXTURE_RECTANGLE_NV:
1052 if (width < 0 || width > ctx->Const.MaxTextureRectSize ||
1053 height < 0 || height > ctx->Const.MaxTextureRectSize ||
1054 level != 0) {
1055 /* bad width or height or level */
1056 return GL_FALSE;
1057 }
1058 return GL_TRUE;
1059 case GL_PROXY_TEXTURE_CUBE_MAP_ARB:
1060 maxSize = 1 << (ctx->Const.MaxCubeTextureLevels - 1);
1061 if (width < 2 * border || width > 2 + maxSize ||
1062 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1063 width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
1064 height < 2 * border || height > 2 + maxSize ||
1065 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1066 height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
1067 level >= ctx->Const.MaxCubeTextureLevels) {
1068 /* bad width or height */
1069 return GL_FALSE;
1070 }
1071 return GL_TRUE;
1072 case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
1073 maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
1074 if (width < 2 * border || width > 2 + maxSize ||
1075 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1076 width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
1077 level >= ctx->Const.MaxTextureLevels) {
1078 /* bad width or level */
1079 return GL_FALSE;
1080 }
1081
1082 if (height < 1 || height > ctx->Const.MaxArrayTextureLayers) {
1083 return GL_FALSE;
1084 }
1085 return GL_TRUE;
1086 case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
1087 maxSize = 1 << (ctx->Const.MaxTextureLevels - 1);
1088 if (width < 2 * border || width > 2 + maxSize ||
1089 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1090 width > 0 && !_mesa_is_pow_two(width - 2 * border)) ||
1091 height < 2 * border || height > 2 + maxSize ||
1092 (!ctx->Extensions.ARB_texture_non_power_of_two &&
1093 height > 0 && !_mesa_is_pow_two(height - 2 * border)) ||
1094 level >= ctx->Const.MaxTextureLevels) {
1095 /* bad width or height or level */
1096 return GL_FALSE;
1097 }
1098 if (depth < 1 || depth > ctx->Const.MaxArrayTextureLayers) {
1099 return GL_FALSE;
1100 }
1101 return GL_TRUE;
1102 default:
1103 _mesa_problem(ctx, "Invalid target in _mesa_test_proxy_teximage");
1104 return GL_FALSE;
1105 }
1106 }
1107
1108
1109 /**
1110 * Helper function to determine whether a target supports compressed textures
1111 */
1112 static GLboolean
1113 target_can_be_compressed(GLcontext *ctx, GLenum target)
1114 {
1115 return (((target == GL_TEXTURE_2D || target == GL_PROXY_TEXTURE_2D))
1116 || ((ctx->Extensions.ARB_texture_cube_map &&
1117 (target == GL_PROXY_TEXTURE_CUBE_MAP ||
1118 (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X &&
1119 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z))))
1120 || ((ctx->Extensions.MESA_texture_array &&
1121 ((target == GL_PROXY_TEXTURE_2D_ARRAY_EXT) ||
1122 (target == GL_TEXTURE_2D_ARRAY_EXT)))));
1123 }
1124
1125
1126 /**
1127 * Test the glTexImage[123]D() parameters for errors.
1128 *
1129 * \param ctx GL context.
1130 * \param target texture target given by the user.
1131 * \param level image level given by the user.
1132 * \param internalFormat internal format given by the user.
1133 * \param format pixel data format given by the user.
1134 * \param type pixel data type given by the user.
1135 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1136 * \param width image width given by the user.
1137 * \param height image height given by the user.
1138 * \param depth image depth given by the user.
1139 * \param border image border given by the user.
1140 *
1141 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1142 *
1143 * Verifies each of the parameters against the constants specified in
1144 * __GLcontextRec::Const and the supported extensions, and according to the
1145 * OpenGL specification.
1146 */
1147 static GLboolean
1148 texture_error_check( GLcontext *ctx, GLenum target,
1149 GLint level, GLint internalFormat,
1150 GLenum format, GLenum type,
1151 GLuint dimensions,
1152 GLint width, GLint height,
1153 GLint depth, GLint border )
1154 {
1155 const GLboolean isProxy = _mesa_is_proxy_texture(target);
1156 GLboolean sizeOK = GL_TRUE;
1157 GLboolean colorFormat, indexFormat;
1158 GLenum proxy_target;
1159
1160 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1161 if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
1162 if (!isProxy) {
1163 _mesa_error(ctx, GL_INVALID_VALUE,
1164 "glTexImage%dD(level=%d)", dimensions, level);
1165 }
1166 return GL_TRUE;
1167 }
1168
1169 /* Check border */
1170 if (border < 0 || border > 1 ||
1171 ((target == GL_TEXTURE_RECTANGLE_NV ||
1172 target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
1173 if (!isProxy) {
1174 _mesa_error(ctx, GL_INVALID_VALUE,
1175 "glTexImage%dD(border=%d)", dimensions, border);
1176 }
1177 return GL_TRUE;
1178 }
1179
1180 if (width < 0 || height < 0 || depth < 0) {
1181 if (!isProxy) {
1182 _mesa_error(ctx, GL_INVALID_VALUE,
1183 "glTexImage%dD(width, height or depth < 0)", dimensions);
1184 }
1185 return GL_TRUE;
1186 }
1187
1188 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1189 * level, width, height and depth.
1190 */
1191 if (dimensions == 1) {
1192 if (target == GL_PROXY_TEXTURE_1D || target == GL_TEXTURE_1D) {
1193 proxy_target = GL_PROXY_TEXTURE_1D;
1194 height = 1;
1195 depth = 1;
1196 }
1197 else {
1198 _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" );
1199 return GL_TRUE;
1200 }
1201 }
1202 else if (dimensions == 2) {
1203 depth = 1;
1204 if (target == GL_PROXY_TEXTURE_2D || target == GL_TEXTURE_2D) {
1205 proxy_target = GL_PROXY_TEXTURE_2D;
1206 }
1207 else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB ||
1208 (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
1209 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
1210 if (!ctx->Extensions.ARB_texture_cube_map) {
1211 _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)");
1212 return GL_TRUE;
1213 }
1214 proxy_target = GL_PROXY_TEXTURE_CUBE_MAP_ARB;
1215 sizeOK = (width == height);
1216 }
1217 else if (target == GL_PROXY_TEXTURE_RECTANGLE_NV ||
1218 target == GL_TEXTURE_RECTANGLE_NV) {
1219 if (!ctx->Extensions.NV_texture_rectangle) {
1220 _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)");
1221 return GL_TRUE;
1222 }
1223 proxy_target = GL_PROXY_TEXTURE_RECTANGLE_NV;
1224 }
1225 else if (target == GL_PROXY_TEXTURE_1D_ARRAY_EXT ||
1226 target == GL_TEXTURE_1D_ARRAY_EXT) {
1227 proxy_target = GL_PROXY_TEXTURE_1D_ARRAY_EXT;
1228 }
1229 else {
1230 _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage2D(target)");
1231 return GL_TRUE;
1232 }
1233 }
1234 else if (dimensions == 3) {
1235 if (target == GL_PROXY_TEXTURE_3D || target == GL_TEXTURE_3D) {
1236 proxy_target = GL_PROXY_TEXTURE_3D;
1237 }
1238 else if (target == GL_PROXY_TEXTURE_2D_ARRAY_EXT ||
1239 target == GL_TEXTURE_2D_ARRAY_EXT) {
1240 proxy_target = GL_PROXY_TEXTURE_2D_ARRAY_EXT;
1241 }
1242 else {
1243 _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" );
1244 return GL_TRUE;
1245 }
1246 }
1247 else {
1248 _mesa_problem( ctx, "bad dims in texture_error_check" );
1249 return GL_TRUE;
1250 }
1251
1252 sizeOK = sizeOK && ctx->Driver.TestProxyTexImage(ctx, proxy_target, level,
1253 internalFormat, format,
1254 type, width, height,
1255 depth, border);
1256 if (!sizeOK) {
1257 if (!isProxy) {
1258 _mesa_error(ctx, GL_INVALID_VALUE,
1259 "glTexImage%dD(level=%d, width=%d, height=%d, depth=%d)",
1260 dimensions, level, width, height, depth);
1261 }
1262 return GL_TRUE;
1263 }
1264
1265 /* Check internalFormat */
1266 if (_mesa_base_tex_format(ctx, internalFormat) < 0) {
1267 if (!isProxy) {
1268 _mesa_error(ctx, GL_INVALID_VALUE,
1269 "glTexImage%dD(internalFormat=%s)",
1270 dimensions, _mesa_lookup_enum_by_nr(internalFormat));
1271 }
1272 return GL_TRUE;
1273 }
1274
1275 /* Check incoming image format and type */
1276 if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
1277 /* Yes, generate GL_INVALID_OPERATION, not GL_INVALID_ENUM, if there
1278 * is a type/format mismatch. See 1.2 spec page 94, sec 3.6.4.
1279 */
1280 if (!isProxy) {
1281 _mesa_error(ctx, GL_INVALID_OPERATION,
1282 "glTexImage%dD(incompatible format 0x%x, type 0x%x)",
1283 dimensions, format, type);
1284 }
1285 return GL_TRUE;
1286 }
1287
1288 /* make sure internal format and format basically agree */
1289 colorFormat = _mesa_is_color_format(format);
1290 indexFormat = _mesa_is_index_format(format);
1291 if ((_mesa_is_color_format(internalFormat) && !colorFormat && !indexFormat) ||
1292 (_mesa_is_index_format(internalFormat) && !indexFormat) ||
1293 (_mesa_is_depth_format(internalFormat) != _mesa_is_depth_format(format)) ||
1294 (_mesa_is_ycbcr_format(internalFormat) != _mesa_is_ycbcr_format(format)) ||
1295 (_mesa_is_depthstencil_format(internalFormat) != _mesa_is_depthstencil_format(format)) ||
1296 (_mesa_is_dudv_format(internalFormat) != _mesa_is_dudv_format(format))) {
1297 if (!isProxy)
1298 _mesa_error(ctx, GL_INVALID_OPERATION,
1299 "glTexImage%dD(incompatible internalFormat 0x%x, format 0x%x)",
1300 dimensions, internalFormat, format);
1301 return GL_TRUE;
1302 }
1303
1304 /* additional checks for ycbcr textures */
1305 if (internalFormat == GL_YCBCR_MESA) {
1306 ASSERT(ctx->Extensions.MESA_ycbcr_texture);
1307 if (type != GL_UNSIGNED_SHORT_8_8_MESA &&
1308 type != GL_UNSIGNED_SHORT_8_8_REV_MESA) {
1309 char message[100];
1310 sprintf(message,
1311 "glTexImage%d(format/type YCBCR mismatch", dimensions);
1312 _mesa_error(ctx, GL_INVALID_ENUM, message);
1313 return GL_TRUE; /* error */
1314 }
1315 if (target != GL_TEXTURE_2D &&
1316 target != GL_PROXY_TEXTURE_2D &&
1317 target != GL_TEXTURE_RECTANGLE_NV &&
1318 target != GL_PROXY_TEXTURE_RECTANGLE_NV) {
1319 if (!isProxy)
1320 _mesa_error(ctx, GL_INVALID_ENUM, "glTexImage(target)");
1321 return GL_TRUE;
1322 }
1323 if (border != 0) {
1324 if (!isProxy) {
1325 char message[100];
1326 sprintf(message,
1327 "glTexImage%d(format=GL_YCBCR_MESA and border=%d)",
1328 dimensions, border);
1329 _mesa_error(ctx, GL_INVALID_VALUE, message);
1330 }
1331 return GL_TRUE;
1332 }
1333 }
1334
1335 /* additional checks for depth textures */
1336 if (_mesa_base_tex_format(ctx, internalFormat) == GL_DEPTH_COMPONENT) {
1337 /* Only 1D, 2D and rectangular textures supported, not 3D or cubes */
1338 if (target != GL_TEXTURE_1D &&
1339 target != GL_PROXY_TEXTURE_1D &&
1340 target != GL_TEXTURE_2D &&
1341 target != GL_PROXY_TEXTURE_2D &&
1342 target != GL_TEXTURE_RECTANGLE_ARB &&
1343 target != GL_PROXY_TEXTURE_RECTANGLE_ARB) {
1344 if (!isProxy)
1345 _mesa_error(ctx, GL_INVALID_ENUM,
1346 "glTexImage(target/internalFormat)");
1347 return GL_TRUE;
1348 }
1349 }
1350
1351 /* additional checks for compressed textures */
1352 if (is_compressed_format(ctx, internalFormat)) {
1353 if (!target_can_be_compressed(ctx, target) && !isProxy) {
1354 _mesa_error(ctx, GL_INVALID_ENUM,
1355 "glTexImage%d(target)", dimensions);
1356 return GL_TRUE;
1357 }
1358 if (border != 0) {
1359 if (!isProxy) {
1360 _mesa_error(ctx, GL_INVALID_OPERATION,
1361 "glTexImage%D(border!=0)", dimensions);
1362 }
1363 return GL_TRUE;
1364 }
1365 }
1366
1367 /* if we get here, the parameters are OK */
1368 return GL_FALSE;
1369 }
1370
1371
1372 /**
1373 * Test glTexSubImage[123]D() parameters for errors.
1374 *
1375 * \param ctx GL context.
1376 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1377 * \param target texture target given by the user.
1378 * \param level image level given by the user.
1379 * \param xoffset sub-image x offset given by the user.
1380 * \param yoffset sub-image y offset given by the user.
1381 * \param zoffset sub-image z offset given by the user.
1382 * \param format pixel data format given by the user.
1383 * \param type pixel data type given by the user.
1384 * \param width image width given by the user.
1385 * \param height image height given by the user.
1386 * \param depth image depth given by the user.
1387 *
1388 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1389 *
1390 * Verifies each of the parameters against the constants specified in
1391 * __GLcontextRec::Const and the supported extensions, and according to the
1392 * OpenGL specification.
1393 */
1394 static GLboolean
1395 subtexture_error_check( GLcontext *ctx, GLuint dimensions,
1396 GLenum target, GLint level,
1397 GLint xoffset, GLint yoffset, GLint zoffset,
1398 GLint width, GLint height, GLint depth,
1399 GLenum format, GLenum type )
1400 {
1401 /* Check target */
1402 if (dimensions == 1) {
1403 if (target != GL_TEXTURE_1D) {
1404 _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage1D(target)" );
1405 return GL_TRUE;
1406 }
1407 }
1408 else if (dimensions == 2) {
1409 if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
1410 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
1411 if (!ctx->Extensions.ARB_texture_cube_map) {
1412 _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
1413 return GL_TRUE;
1414 }
1415 }
1416 else if (target == GL_TEXTURE_RECTANGLE_NV) {
1417 if (!ctx->Extensions.NV_texture_rectangle) {
1418 _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
1419 return GL_TRUE;
1420 }
1421 }
1422 else if (target == GL_TEXTURE_1D_ARRAY_EXT) {
1423 if (!ctx->Extensions.MESA_texture_array) {
1424 _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
1425 return GL_TRUE;
1426 }
1427 }
1428 else if (target != GL_TEXTURE_2D) {
1429 _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage2D(target)" );
1430 return GL_TRUE;
1431 }
1432 }
1433 else if (dimensions == 3) {
1434 if (target == GL_TEXTURE_2D_ARRAY_EXT) {
1435 if (!ctx->Extensions.MESA_texture_array) {
1436 _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" );
1437 return GL_TRUE;
1438 }
1439 }
1440 else if (target != GL_TEXTURE_3D) {
1441 _mesa_error( ctx, GL_INVALID_ENUM, "glTexSubImage3D(target)" );
1442 return GL_TRUE;
1443 }
1444 }
1445 else {
1446 _mesa_problem( ctx, "invalid dims in texture_error_check" );
1447 return GL_TRUE;
1448 }
1449
1450 /* Basic level check */
1451 if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
1452 _mesa_error(ctx, GL_INVALID_ENUM, "glTexSubImage2D(level=%d)", level);
1453 return GL_TRUE;
1454 }
1455
1456 if (width < 0) {
1457 _mesa_error(ctx, GL_INVALID_VALUE,
1458 "glTexSubImage%dD(width=%d)", dimensions, width);
1459 return GL_TRUE;
1460 }
1461 if (height < 0 && dimensions > 1) {
1462 _mesa_error(ctx, GL_INVALID_VALUE,
1463 "glTexSubImage%dD(height=%d)", dimensions, height);
1464 return GL_TRUE;
1465 }
1466 if (depth < 0 && dimensions > 2) {
1467 _mesa_error(ctx, GL_INVALID_VALUE,
1468 "glTexSubImage%dD(depth=%d)", dimensions, depth);
1469 return GL_TRUE;
1470 }
1471
1472 if (!_mesa_is_legal_format_and_type(ctx, format, type)) {
1473 _mesa_error(ctx, GL_INVALID_ENUM,
1474 "glTexSubImage%dD(incompatible format 0x%x, type 0x%x)",
1475 dimensions, format, type);
1476 return GL_TRUE;
1477 }
1478
1479 return GL_FALSE;
1480 }
1481
1482
1483 /**
1484 * Do second part of glTexSubImage which depends on the destination texture.
1485 * \return GL_TRUE if error recorded, GL_FALSE otherwise
1486 */
1487 static GLboolean
1488 subtexture_error_check2( GLcontext *ctx, GLuint dimensions,
1489 GLenum target, GLint level,
1490 GLint xoffset, GLint yoffset, GLint zoffset,
1491 GLint width, GLint height, GLint depth,
1492 GLenum format, GLenum type,
1493 const struct gl_texture_image *destTex )
1494 {
1495 if (!destTex) {
1496 /* undefined image level */
1497 _mesa_error(ctx, GL_INVALID_OPERATION, "glTexSubImage%dD", dimensions);
1498 return GL_TRUE;
1499 }
1500
1501 if (xoffset < -((GLint)destTex->Border)) {
1502 _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset)",
1503 dimensions);
1504 return GL_TRUE;
1505 }
1506 if (xoffset + width > (GLint) (destTex->Width + destTex->Border)) {
1507 _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(xoffset+width)",
1508 dimensions);
1509 return GL_TRUE;
1510 }
1511 if (dimensions > 1) {
1512 if (yoffset < -((GLint)destTex->Border)) {
1513 _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset)",
1514 dimensions);
1515 return GL_TRUE;
1516 }
1517 if (yoffset + height > (GLint) (destTex->Height + destTex->Border)) {
1518 _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage%dD(yoffset+height)",
1519 dimensions);
1520 return GL_TRUE;
1521 }
1522 }
1523 if (dimensions > 2) {
1524 if (zoffset < -((GLint)destTex->Border)) {
1525 _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset)");
1526 return GL_TRUE;
1527 }
1528 if (zoffset + depth > (GLint) (destTex->Depth + destTex->Border)) {
1529 _mesa_error(ctx, GL_INVALID_VALUE, "glTexSubImage3D(zoffset+depth)");
1530 return GL_TRUE;
1531 }
1532 }
1533
1534 if (_mesa_is_format_compressed(destTex->TexFormat)) {
1535 GLuint bw, bh;
1536
1537 if (!target_can_be_compressed(ctx, target)) {
1538 _mesa_error(ctx, GL_INVALID_ENUM,
1539 "glTexSubImage%D(target=%s)", dimensions,
1540 _mesa_lookup_enum_by_nr(target));
1541 return GL_TRUE;
1542 }
1543
1544 /* do tests which depend on compression block size */
1545 _mesa_get_format_block_size(destTex->TexFormat, &bw, &bh);
1546
1547 /* offset must be multiple of block size */
1548 if ((xoffset % bw != 0) || (yoffset % bh != 0)) {
1549 _mesa_error(ctx, GL_INVALID_OPERATION,
1550 "glTexSubImage%D(xoffset = %d, yoffset = %d)",
1551 dimensions, xoffset, yoffset);
1552 return GL_TRUE;
1553 }
1554 /* size must be multiple of bw by bh or equal to whole texture size */
1555 if ((width % bw != 0) && (GLuint) width != destTex->Width) {
1556 _mesa_error(ctx, GL_INVALID_OPERATION,
1557 "glTexSubImage%D(width = %d)", dimensions, width);
1558 return GL_TRUE;
1559 }
1560 if ((height % bh != 0) && (GLuint) height != destTex->Height) {
1561 _mesa_error(ctx, GL_INVALID_OPERATION,
1562 "glTexSubImage%D(height = %d)", dimensions, height);
1563 return GL_TRUE;
1564 }
1565 }
1566
1567 return GL_FALSE;
1568 }
1569
1570
1571 /**
1572 * Test glCopyTexImage[12]D() parameters for errors.
1573 *
1574 * \param ctx GL context.
1575 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1576 * \param target texture target given by the user.
1577 * \param level image level given by the user.
1578 * \param internalFormat internal format given by the user.
1579 * \param width image width given by the user.
1580 * \param height image height given by the user.
1581 * \param border texture border.
1582 *
1583 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1584 *
1585 * Verifies each of the parameters against the constants specified in
1586 * __GLcontextRec::Const and the supported extensions, and according to the
1587 * OpenGL specification.
1588 */
1589 static GLboolean
1590 copytexture_error_check( GLcontext *ctx, GLuint dimensions,
1591 GLenum target, GLint level, GLint internalFormat,
1592 GLint width, GLint height, GLint border )
1593 {
1594 GLenum type;
1595 GLboolean sizeOK;
1596 GLint format;
1597
1598 /* Basic level check (more checking in ctx->Driver.TestProxyTexImage) */
1599 if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
1600 _mesa_error(ctx, GL_INVALID_VALUE,
1601 "glCopyTexImage%dD(level=%d)", dimensions, level);
1602 return GL_TRUE;
1603 }
1604
1605 /* Check that the source buffer is complete */
1606 if (ctx->ReadBuffer->Name) {
1607 _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
1608 if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
1609 _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
1610 "glCopyTexImage%dD(invalid readbuffer)", dimensions);
1611 return GL_TRUE;
1612 }
1613 }
1614
1615 /* Check border */
1616 if (border < 0 || border > 1 ||
1617 ((target == GL_TEXTURE_RECTANGLE_NV ||
1618 target == GL_PROXY_TEXTURE_RECTANGLE_NV) && border != 0)) {
1619 return GL_TRUE;
1620 }
1621
1622 format = _mesa_base_tex_format(ctx, internalFormat);
1623 if (format < 0) {
1624 _mesa_error(ctx, GL_INVALID_VALUE,
1625 "glCopyTexImage%dD(internalFormat)", dimensions);
1626 return GL_TRUE;
1627 }
1628
1629 if (!_mesa_source_buffer_exists(ctx, format)) {
1630 _mesa_error(ctx, GL_INVALID_OPERATION,
1631 "glCopyTexImage%dD(missing readbuffer)", dimensions);
1632 return GL_TRUE;
1633 }
1634
1635 /* NOTE: the format and type aren't really significant for
1636 * TestProxyTexImage(). Only the internalformat really matters.
1637 */
1638 type = GL_FLOAT;
1639
1640 /* Check target and call ctx->Driver.TestProxyTexImage() to check the
1641 * level, width, height and depth.
1642 */
1643 if (dimensions == 1) {
1644 if (target == GL_TEXTURE_1D) {
1645 sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_1D,
1646 level, internalFormat,
1647 format, type,
1648 width, 1, 1, border);
1649 }
1650 else {
1651 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage1D(target)" );
1652 return GL_TRUE;
1653 }
1654 }
1655 else if (dimensions == 2) {
1656 if (target == GL_TEXTURE_2D) {
1657 sizeOK = ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_2D,
1658 level, internalFormat,
1659 format, type,
1660 width, height, 1, border);
1661 }
1662 else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
1663 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
1664 if (!ctx->Extensions.ARB_texture_cube_map) {
1665 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
1666 return GL_TRUE;
1667 }
1668 sizeOK = (width == height) &&
1669 ctx->Driver.TestProxyTexImage(ctx, GL_PROXY_TEXTURE_CUBE_MAP_ARB,
1670 level, internalFormat, format, type,
1671 width, height, 1, border);
1672 }
1673 else if (target == GL_TEXTURE_RECTANGLE_NV) {
1674 if (!ctx->Extensions.NV_texture_rectangle) {
1675 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
1676 return GL_TRUE;
1677 }
1678 sizeOK = ctx->Driver.TestProxyTexImage(ctx,
1679 GL_PROXY_TEXTURE_RECTANGLE_NV,
1680 level, internalFormat,
1681 format, type,
1682 width, height, 1, border);
1683 }
1684 else if (target == GL_TEXTURE_1D_ARRAY_EXT) {
1685 if (!ctx->Extensions.MESA_texture_array) {
1686 _mesa_error(ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)");
1687 return GL_TRUE;
1688 }
1689 sizeOK = ctx->Driver.TestProxyTexImage(ctx,
1690 GL_PROXY_TEXTURE_1D_ARRAY_EXT,
1691 level, internalFormat,
1692 format, type,
1693 width, height, 1, border);
1694 }
1695 else {
1696 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexImage2D(target)" );
1697 return GL_TRUE;
1698 }
1699 }
1700 else {
1701 _mesa_problem(ctx, "invalid dimensions in copytexture_error_check");
1702 return GL_TRUE;
1703 }
1704
1705 if (!sizeOK) {
1706 if (dimensions == 1) {
1707 _mesa_error(ctx, GL_INVALID_VALUE,
1708 "glCopyTexImage1D(width=%d)", width);
1709 }
1710 else {
1711 ASSERT(dimensions == 2);
1712 _mesa_error(ctx, GL_INVALID_VALUE,
1713 "glCopyTexImage2D(width=%d, height=%d)", width, height);
1714 }
1715 return GL_TRUE;
1716 }
1717
1718 if (is_compressed_format(ctx, internalFormat)) {
1719 if (!target_can_be_compressed(ctx, target)) {
1720 _mesa_error(ctx, GL_INVALID_ENUM,
1721 "glCopyTexImage%d(target)", dimensions);
1722 return GL_TRUE;
1723 }
1724 if (border != 0) {
1725 _mesa_error(ctx, GL_INVALID_OPERATION,
1726 "glCopyTexImage%D(border!=0)", dimensions);
1727 return GL_TRUE;
1728 }
1729 }
1730 else if (_mesa_is_depth_format(internalFormat)) {
1731 /* make sure we have depth/stencil buffers */
1732 if (!ctx->ReadBuffer->_DepthBuffer) {
1733 _mesa_error(ctx, GL_INVALID_OPERATION,
1734 "glCopyTexImage%D(no depth)", dimensions);
1735 return GL_TRUE;
1736 }
1737 }
1738 else if (_mesa_is_depthstencil_format(internalFormat)) {
1739 /* make sure we have depth/stencil buffers */
1740 if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
1741 _mesa_error(ctx, GL_INVALID_OPERATION,
1742 "glCopyTexImage%D(no depth/stencil buffer)", dimensions);
1743 return GL_TRUE;
1744 }
1745 }
1746
1747 /* if we get here, the parameters are OK */
1748 return GL_FALSE;
1749 }
1750
1751
1752 /**
1753 * Test glCopyTexSubImage[12]D() parameters for errors.
1754 * Note that this is the first part of error checking.
1755 * See also copytexsubimage_error_check2() below for the second part.
1756 *
1757 * \param ctx GL context.
1758 * \param dimensions texture image dimensions (must be 1, 2 or 3).
1759 * \param target texture target given by the user.
1760 * \param level image level given by the user.
1761 *
1762 * \return GL_TRUE if an error was detected, or GL_FALSE if no errors.
1763 */
1764 static GLboolean
1765 copytexsubimage_error_check1( GLcontext *ctx, GLuint dimensions,
1766 GLenum target, GLint level)
1767 {
1768 /* Check that the source buffer is complete */
1769 if (ctx->ReadBuffer->Name) {
1770 _mesa_test_framebuffer_completeness(ctx, ctx->ReadBuffer);
1771 if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
1772 _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
1773 "glCopyTexImage%dD(invalid readbuffer)", dimensions);
1774 return GL_TRUE;
1775 }
1776 }
1777
1778 /* Check target */
1779 if (dimensions == 1) {
1780 if (target != GL_TEXTURE_1D) {
1781 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage1D(target)" );
1782 return GL_TRUE;
1783 }
1784 }
1785 else if (dimensions == 2) {
1786 if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
1787 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
1788 if (!ctx->Extensions.ARB_texture_cube_map) {
1789 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
1790 return GL_TRUE;
1791 }
1792 }
1793 else if (target == GL_TEXTURE_RECTANGLE_NV) {
1794 if (!ctx->Extensions.NV_texture_rectangle) {
1795 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
1796 return GL_TRUE;
1797 }
1798 }
1799 else if (target == GL_TEXTURE_1D_ARRAY_EXT) {
1800 if (!ctx->Extensions.MESA_texture_array) {
1801 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
1802 return GL_TRUE;
1803 }
1804 }
1805 else if (target != GL_TEXTURE_2D) {
1806 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage2D(target)" );
1807 return GL_TRUE;
1808 }
1809 }
1810 else if (dimensions == 3) {
1811 if (((target != GL_TEXTURE_2D_ARRAY_EXT) ||
1812 (!ctx->Extensions.MESA_texture_array))
1813 && (target != GL_TEXTURE_3D)) {
1814 _mesa_error( ctx, GL_INVALID_ENUM, "glCopyTexSubImage3D(target)" );
1815 return GL_TRUE;
1816 }
1817 }
1818
1819 /* Check level */
1820 if (level < 0 || level >= MAX_TEXTURE_LEVELS) {
1821 _mesa_error(ctx, GL_INVALID_VALUE,
1822 "glCopyTexSubImage%dD(level=%d)", dimensions, level);
1823 return GL_TRUE;
1824 }
1825
1826 return GL_FALSE;
1827 }
1828
1829
1830 /**
1831 * Second part of error checking for glCopyTexSubImage[12]D().
1832 * \param xoffset sub-image x offset given by the user.
1833 * \param yoffset sub-image y offset given by the user.
1834 * \param zoffset sub-image z offset given by the user.
1835 * \param width image width given by the user.
1836 * \param height image height given by the user.
1837 */
1838 static GLboolean
1839 copytexsubimage_error_check2( GLcontext *ctx, GLuint dimensions,
1840 GLenum target, GLint level,
1841 GLint xoffset, GLint yoffset, GLint zoffset,
1842 GLsizei width, GLsizei height,
1843 const struct gl_texture_image *teximage )
1844 {
1845 /* check that dest tex image exists */
1846 if (!teximage) {
1847 _mesa_error(ctx, GL_INVALID_OPERATION,
1848 "glCopyTexSubImage%dD(undefined texture level: %d)",
1849 dimensions, level);
1850 return GL_TRUE;
1851 }
1852
1853 /* Check size */
1854 if (width < 0) {
1855 _mesa_error(ctx, GL_INVALID_VALUE,
1856 "glCopyTexSubImage%dD(width=%d)", dimensions, width);
1857 return GL_TRUE;
1858 }
1859 if (dimensions > 1 && height < 0) {
1860 _mesa_error(ctx, GL_INVALID_VALUE,
1861 "glCopyTexSubImage%dD(height=%d)", dimensions, height);
1862 return GL_TRUE;
1863 }
1864
1865 /* check x/y offsets */
1866 if (xoffset < -((GLint)teximage->Border)) {
1867 _mesa_error(ctx, GL_INVALID_VALUE,
1868 "glCopyTexSubImage%dD(xoffset=%d)", dimensions, xoffset);
1869 return GL_TRUE;
1870 }
1871 if (xoffset + width > (GLint) (teximage->Width + teximage->Border)) {
1872 _mesa_error(ctx, GL_INVALID_VALUE,
1873 "glCopyTexSubImage%dD(xoffset+width)", dimensions);
1874 return GL_TRUE;
1875 }
1876 if (dimensions > 1) {
1877 if (yoffset < -((GLint)teximage->Border)) {
1878 _mesa_error(ctx, GL_INVALID_VALUE,
1879 "glCopyTexSubImage%dD(yoffset=%d)", dimensions, yoffset);
1880 return GL_TRUE;
1881 }
1882 /* NOTE: we're adding the border here, not subtracting! */
1883 if (yoffset + height > (GLint) (teximage->Height + teximage->Border)) {
1884 _mesa_error(ctx, GL_INVALID_VALUE,
1885 "glCopyTexSubImage%dD(yoffset+height)", dimensions);
1886 return GL_TRUE;
1887 }
1888 }
1889
1890 /* check z offset */
1891 if (dimensions > 2) {
1892 if (zoffset < -((GLint)teximage->Border)) {
1893 _mesa_error(ctx, GL_INVALID_VALUE,
1894 "glCopyTexSubImage%dD(zoffset)", dimensions);
1895 return GL_TRUE;
1896 }
1897 if (zoffset > (GLint) (teximage->Depth + teximage->Border)) {
1898 _mesa_error(ctx, GL_INVALID_VALUE,
1899 "glCopyTexSubImage%dD(zoffset+depth)", dimensions);
1900 return GL_TRUE;
1901 }
1902 }
1903
1904 if (_mesa_is_format_compressed(teximage->TexFormat)) {
1905 if (!target_can_be_compressed(ctx, target)) {
1906 _mesa_error(ctx, GL_INVALID_ENUM,
1907 "glCopyTexSubImage%d(target)", dimensions);
1908 return GL_TRUE;
1909 }
1910 /* offset must be multiple of 4 */
1911 if ((xoffset & 3) || (yoffset & 3)) {
1912 _mesa_error(ctx, GL_INVALID_VALUE,
1913 "glCopyTexSubImage%D(xoffset or yoffset)", dimensions);
1914 return GL_TRUE;
1915 }
1916 /* size must be multiple of 4 */
1917 if ((width & 3) != 0 && (GLuint) width != teximage->Width) {
1918 _mesa_error(ctx, GL_INVALID_VALUE,
1919 "glCopyTexSubImage%D(width)", dimensions);
1920 return GL_TRUE;
1921 }
1922 if ((height & 3) != 0 && (GLuint) height != teximage->Height) {
1923 _mesa_error(ctx, GL_INVALID_VALUE,
1924 "glCopyTexSubImage%D(height)", dimensions);
1925 return GL_TRUE;
1926 }
1927 }
1928
1929 if (teximage->InternalFormat == GL_YCBCR_MESA) {
1930 _mesa_error(ctx, GL_INVALID_OPERATION, "glCopyTexSubImage2D");
1931 return GL_TRUE;
1932 }
1933
1934 if (!_mesa_source_buffer_exists(ctx, teximage->_BaseFormat)) {
1935 _mesa_error(ctx, GL_INVALID_OPERATION,
1936 "glCopyTexSubImage%dD(missing readbuffer, format=0x%x)",
1937 dimensions, teximage->_BaseFormat);
1938 return GL_TRUE;
1939 }
1940
1941 if (teximage->_BaseFormat == GL_DEPTH_COMPONENT) {
1942 if (!ctx->ReadBuffer->_DepthBuffer) {
1943 _mesa_error(ctx, GL_INVALID_OPERATION,
1944 "glCopyTexSubImage%D(no depth buffer)",
1945 dimensions);
1946 return GL_TRUE;
1947 }
1948 }
1949 else if (teximage->_BaseFormat == GL_DEPTH_STENCIL_EXT) {
1950 if (!ctx->ReadBuffer->_DepthBuffer || !ctx->ReadBuffer->_StencilBuffer) {
1951 _mesa_error(ctx, GL_INVALID_OPERATION,
1952 "glCopyTexSubImage%D(no depth/stencil buffer)",
1953 dimensions);
1954 return GL_TRUE;
1955 }
1956 }
1957
1958 /* if we get here, the parameters are OK */
1959 return GL_FALSE;
1960 }
1961
1962
1963 /** Callback info for walking over FBO hash table */
1964 struct cb_info
1965 {
1966 GLcontext *ctx;
1967 struct gl_texture_object *texObj;
1968 GLuint level, face;
1969 };
1970
1971
1972 /**
1973 * Check render to texture callback. Called from _mesa_HashWalk().
1974 */
1975 static void
1976 check_rtt_cb(GLuint key, void *data, void *userData)
1977 {
1978 struct gl_framebuffer *fb = (struct gl_framebuffer *) data;
1979 const struct cb_info *info = (struct cb_info *) userData;
1980 GLcontext *ctx = info->ctx;
1981 const struct gl_texture_object *texObj = info->texObj;
1982 const GLuint level = info->level, face = info->face;
1983
1984 /* If this is a user-created FBO */
1985 if (fb->Name) {
1986 GLuint i;
1987 /* check if any of the FBO's attachments point to 'texObj' */
1988 for (i = 0; i < BUFFER_COUNT; i++) {
1989 struct gl_renderbuffer_attachment *att = fb->Attachment + i;
1990 if (att->Type == GL_TEXTURE &&
1991 att->Texture == texObj &&
1992 att->TextureLevel == level &&
1993 att->CubeMapFace == face) {
1994 ASSERT(att->Texture->Image[att->CubeMapFace][att->TextureLevel]);
1995 /* Tell driver about the new renderbuffer texture */
1996 ctx->Driver.RenderTexture(ctx, ctx->DrawBuffer, att);
1997 /* Mark fb status as indeterminate to force re-validation */
1998 fb->_Status = 0;
1999 }
2000 }
2001 }
2002 }
2003
2004
2005 /**
2006 * When a texture image is specified we have to check if it's bound to
2007 * any framebuffer objects (render to texture) in order to detect changes
2008 * in size or format since that effects FBO completeness.
2009 * Any FBOs rendering into the texture must be re-validated.
2010 */
2011 static void
2012 update_fbo_texture(GLcontext *ctx, struct gl_texture_object *texObj,
2013 GLuint face, GLuint level)
2014 {
2015 /* Only check this texture if it's been marked as RenderToTexture */
2016 if (texObj->_RenderToTexture) {
2017 struct cb_info info;
2018 info.ctx = ctx;
2019 info.texObj = texObj;
2020 info.level = level;
2021 info.face = face;
2022 _mesa_HashWalk(ctx->Shared->FrameBuffers, check_rtt_cb, &info);
2023 }
2024 }
2025
2026
2027 /**
2028 * If the texture object's GenerateMipmap flag is set and we've
2029 * changed the texture base level image, regenerate the rest of the
2030 * mipmap levels now.
2031 */
2032 static INLINE void
2033 check_gen_mipmap(GLcontext *ctx, GLenum target,
2034 struct gl_texture_object *texObj, GLint level)
2035 {
2036 ASSERT(target != GL_TEXTURE_CUBE_MAP);
2037 if (texObj->GenerateMipmap &&
2038 level == texObj->BaseLevel &&
2039 level < texObj->MaxLevel) {
2040 ASSERT(ctx->Driver.GenerateMipmap);
2041 ctx->Driver.GenerateMipmap(ctx, target, texObj);
2042 }
2043 }
2044
2045
2046 /** Debug helper: override the user-requested internal format */
2047 static GLenum
2048 override_internal_format(GLenum internalFormat, GLint width, GLint height)
2049 {
2050 #if 0
2051 if (internalFormat == GL_RGBA16F_ARB ||
2052 internalFormat == GL_RGBA32F_ARB) {
2053 printf("Convert rgba float tex to int %d x %d\n", width, height);
2054 return GL_RGBA;
2055 }
2056 else if (internalFormat == GL_RGB16F_ARB ||
2057 internalFormat == GL_RGB32F_ARB) {
2058 printf("Convert rgb float tex to int %d x %d\n", width, height);
2059 return GL_RGB;
2060 }
2061 else if (internalFormat == GL_LUMINANCE_ALPHA16F_ARB ||
2062 internalFormat == GL_LUMINANCE_ALPHA32F_ARB) {
2063 printf("Convert luminance float tex to int %d x %d\n", width, height);
2064 return GL_LUMINANCE_ALPHA;
2065 }
2066 else if (internalFormat == GL_LUMINANCE16F_ARB ||
2067 internalFormat == GL_LUMINANCE32F_ARB) {
2068 printf("Convert luminance float tex to int %d x %d\n", width, height);
2069 return GL_LUMINANCE;
2070 }
2071 else if (internalFormat == GL_ALPHA16F_ARB ||
2072 internalFormat == GL_ALPHA32F_ARB) {
2073 printf("Convert luminance float tex to int %d x %d\n", width, height);
2074 return GL_ALPHA;
2075 }
2076 /*
2077 else if (internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) {
2078 internalFormat = GL_RGBA;
2079 }
2080 */
2081 else {
2082 return internalFormat;
2083 }
2084 #else
2085 return internalFormat;
2086 #endif
2087 }
2088
2089
2090 /*
2091 * Called from the API. Note that width includes the border.
2092 */
2093 void GLAPIENTRY
2094 _mesa_TexImage1D( GLenum target, GLint level, GLint internalFormat,
2095 GLsizei width, GLint border, GLenum format,
2096 GLenum type, const GLvoid *pixels )
2097 {
2098 GLsizei postConvWidth = width;
2099 GET_CURRENT_CONTEXT(ctx);
2100 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2101
2102 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2103 _mesa_debug(ctx, "glTexImage1D %s %d %s %d %d %s %s %p\n",
2104 _mesa_lookup_enum_by_nr(target), level,
2105 _mesa_lookup_enum_by_nr(internalFormat), width, border,
2106 _mesa_lookup_enum_by_nr(format),
2107 _mesa_lookup_enum_by_nr(type), pixels);
2108
2109 internalFormat = override_internal_format(internalFormat, width, 1);
2110
2111 #if FEATURE_convolve
2112 if (_mesa_is_color_format(internalFormat)) {
2113 _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
2114 }
2115 #endif
2116
2117 if (target == GL_TEXTURE_1D) {
2118 /* non-proxy target */
2119 struct gl_texture_object *texObj;
2120 struct gl_texture_image *texImage;
2121 const GLuint face = _mesa_tex_target_to_face(target);
2122
2123 if (texture_error_check(ctx, target, level, internalFormat,
2124 format, type, 1, postConvWidth, 1, 1, border)) {
2125 return; /* error was recorded */
2126 }
2127
2128 if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
2129 _mesa_update_state(ctx);
2130
2131 texObj = _mesa_get_current_tex_object(ctx, target);
2132 _mesa_lock_texture(ctx, texObj);
2133 {
2134 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
2135 if (!texImage) {
2136 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
2137 }
2138 else {
2139 if (texImage->Data) {
2140 ctx->Driver.FreeTexImageData( ctx, texImage );
2141 }
2142
2143 ASSERT(texImage->Data == NULL);
2144
2145 clear_teximage_fields(texImage); /* not really needed, but helpful */
2146 _mesa_init_teximage_fields(ctx, target, texImage,
2147 postConvWidth, 1, 1,
2148 border, internalFormat);
2149
2150 /* Choose actual texture format */
2151 texImage->TexFormat =
2152 ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
2153 format, type);
2154 ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
2155
2156 /* Give the texture to the driver. <pixels> may be null. */
2157 ASSERT(ctx->Driver.TexImage1D);
2158 ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
2159 width, border, format, type, pixels,
2160 &ctx->Unpack, texObj, texImage);
2161
2162 ASSERT(texImage->TexFormat);
2163
2164 _mesa_set_fetch_functions(texImage, 1);
2165
2166 check_gen_mipmap(ctx, target, texObj, level);
2167
2168 update_fbo_texture(ctx, texObj, face, level);
2169
2170 /* state update */
2171 texObj->_Complete = GL_FALSE;
2172 ctx->NewState |= _NEW_TEXTURE;
2173 }
2174 }
2175 _mesa_unlock_texture(ctx, texObj);
2176 }
2177 else if (target == GL_PROXY_TEXTURE_1D) {
2178 /* Proxy texture: check for errors and update proxy state */
2179 struct gl_texture_image *texImage;
2180 texImage = _mesa_get_proxy_tex_image(ctx, target, level);
2181 if (texture_error_check(ctx, target, level, internalFormat,
2182 format, type, 1, postConvWidth, 1, 1, border)) {
2183 /* when error, clear all proxy texture image parameters */
2184 if (texImage)
2185 clear_teximage_fields(texImage);
2186 }
2187 else {
2188 /* no error, set the tex image parameters */
2189 ASSERT(texImage);
2190 _mesa_init_teximage_fields(ctx, target, texImage,
2191 postConvWidth, 1, 1,
2192 border, internalFormat);
2193 texImage->TexFormat =
2194 ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
2195 }
2196 }
2197 else {
2198 _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage1D(target)" );
2199 return;
2200 }
2201 }
2202
2203
2204 void GLAPIENTRY
2205 _mesa_TexImage2D( GLenum target, GLint level, GLint internalFormat,
2206 GLsizei width, GLsizei height, GLint border,
2207 GLenum format, GLenum type,
2208 const GLvoid *pixels )
2209 {
2210 GLsizei postConvWidth = width, postConvHeight = height;
2211 GET_CURRENT_CONTEXT(ctx);
2212 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2213
2214 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2215 _mesa_debug(ctx, "glTexImage2D %s %d %s %d %d %d %s %s %p\n",
2216 _mesa_lookup_enum_by_nr(target), level,
2217 _mesa_lookup_enum_by_nr(internalFormat), width, height,
2218 border, _mesa_lookup_enum_by_nr(format),
2219 _mesa_lookup_enum_by_nr(type), pixels);
2220
2221 internalFormat = override_internal_format(internalFormat, width, height);
2222
2223 #if FEATURE_convolve
2224 if (_mesa_is_color_format(internalFormat)) {
2225 _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
2226 &postConvHeight);
2227 }
2228 #endif
2229
2230 if (target == GL_TEXTURE_2D ||
2231 (ctx->Extensions.ARB_texture_cube_map &&
2232 target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
2233 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) ||
2234 (ctx->Extensions.NV_texture_rectangle &&
2235 target == GL_TEXTURE_RECTANGLE_NV) ||
2236 (ctx->Extensions.MESA_texture_array &&
2237 target == GL_TEXTURE_1D_ARRAY_EXT)) {
2238 /* non-proxy target */
2239 struct gl_texture_object *texObj;
2240 struct gl_texture_image *texImage;
2241 const GLuint face = _mesa_tex_target_to_face(target);
2242
2243 if (texture_error_check(ctx, target, level, internalFormat,
2244 format, type, 2, postConvWidth, postConvHeight,
2245 1, border)) {
2246 return; /* error was recorded */
2247 }
2248
2249 if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
2250 _mesa_update_state(ctx);
2251
2252 texObj = _mesa_get_current_tex_object(ctx, target);
2253 _mesa_lock_texture(ctx, texObj);
2254 {
2255 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
2256 if (!texImage) {
2257 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
2258 }
2259 else {
2260 if (texImage->Data) {
2261 ctx->Driver.FreeTexImageData( ctx, texImage );
2262 }
2263
2264 ASSERT(texImage->Data == NULL);
2265 clear_teximage_fields(texImage); /* not really needed, but helpful */
2266 _mesa_init_teximage_fields(ctx, target, texImage,
2267 postConvWidth, postConvHeight, 1,
2268 border, internalFormat);
2269
2270 /* Choose actual texture format */
2271 texImage->TexFormat =
2272 ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
2273 format, type);
2274 ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
2275
2276 /* Give the texture to the driver. <pixels> may be null. */
2277 ASSERT(ctx->Driver.TexImage2D);
2278 ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
2279 width, height, border, format, type,
2280 pixels, &ctx->Unpack, texObj, texImage);
2281
2282 ASSERT(texImage->TexFormat);
2283
2284 _mesa_set_fetch_functions(texImage, 2);
2285
2286 check_gen_mipmap(ctx, target, texObj, level);
2287
2288 update_fbo_texture(ctx, texObj, face, level);
2289
2290 /* state update */
2291 texObj->_Complete = GL_FALSE;
2292 ctx->NewState |= _NEW_TEXTURE;
2293 }
2294 }
2295 _mesa_unlock_texture(ctx, texObj);
2296 }
2297 else if (target == GL_PROXY_TEXTURE_2D ||
2298 (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB &&
2299 ctx->Extensions.ARB_texture_cube_map) ||
2300 (target == GL_PROXY_TEXTURE_RECTANGLE_NV &&
2301 ctx->Extensions.NV_texture_rectangle) ||
2302 (ctx->Extensions.MESA_texture_array &&
2303 target == GL_PROXY_TEXTURE_1D_ARRAY_EXT)) {
2304 /* Proxy texture: check for errors and update proxy state */
2305 struct gl_texture_image *texImage;
2306 texImage = _mesa_get_proxy_tex_image(ctx, target, level);
2307 if (texture_error_check(ctx, target, level, internalFormat,
2308 format, type, 2, postConvWidth, postConvHeight,
2309 1, border)) {
2310 /* when error, clear all proxy texture image parameters */
2311 if (texImage)
2312 clear_teximage_fields(texImage);
2313 }
2314 else {
2315 /* no error, set the tex image parameters */
2316 _mesa_init_teximage_fields(ctx, target, texImage,
2317 postConvWidth, postConvHeight, 1,
2318 border, internalFormat);
2319 texImage->TexFormat =
2320 ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
2321 }
2322 }
2323 else {
2324 _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage2D(target)" );
2325 return;
2326 }
2327 }
2328
2329
2330 /*
2331 * Called by the API or display list executor.
2332 * Note that width and height include the border.
2333 */
2334 void GLAPIENTRY
2335 _mesa_TexImage3D( GLenum target, GLint level, GLint internalFormat,
2336 GLsizei width, GLsizei height, GLsizei depth,
2337 GLint border, GLenum format, GLenum type,
2338 const GLvoid *pixels )
2339 {
2340 GET_CURRENT_CONTEXT(ctx);
2341 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2342
2343 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2344 _mesa_debug(ctx, "glTexImage3D %s %d %s %d %d %d %d %s %s %p\n",
2345 _mesa_lookup_enum_by_nr(target), level,
2346 _mesa_lookup_enum_by_nr(internalFormat), width, height,
2347 depth, border, _mesa_lookup_enum_by_nr(format),
2348 _mesa_lookup_enum_by_nr(type), pixels);
2349
2350 internalFormat = override_internal_format(internalFormat, width, height);
2351
2352 if (target == GL_TEXTURE_3D ||
2353 (ctx->Extensions.MESA_texture_array &&
2354 target == GL_TEXTURE_2D_ARRAY_EXT)) {
2355 /* non-proxy target */
2356 struct gl_texture_object *texObj;
2357 struct gl_texture_image *texImage;
2358 const GLuint face = _mesa_tex_target_to_face(target);
2359
2360 if (texture_error_check(ctx, target, level, (GLint) internalFormat,
2361 format, type, 3, width, height, depth, border)) {
2362 return; /* error was recorded */
2363 }
2364
2365 if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
2366 _mesa_update_state(ctx);
2367
2368 texObj = _mesa_get_current_tex_object(ctx, target);
2369 _mesa_lock_texture(ctx, texObj);
2370 {
2371 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
2372 if (!texImage) {
2373 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
2374 }
2375 else {
2376 if (texImage->Data) {
2377 ctx->Driver.FreeTexImageData( ctx, texImage );
2378 }
2379
2380 ASSERT(texImage->Data == NULL);
2381 clear_teximage_fields(texImage); /* not really needed, but helpful */
2382 _mesa_init_teximage_fields(ctx, target, texImage,
2383 width, height, depth,
2384 border, internalFormat);
2385
2386 /* Choose actual texture format */
2387 texImage->TexFormat =
2388 ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
2389 format, type);
2390 ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
2391
2392 /* Give the texture to the driver. <pixels> may be null. */
2393 ASSERT(ctx->Driver.TexImage3D);
2394 ctx->Driver.TexImage3D(ctx, target, level, internalFormat,
2395 width, height, depth, border, format, type,
2396 pixels, &ctx->Unpack, texObj, texImage);
2397
2398 ASSERT(texImage->TexFormat);
2399
2400 _mesa_set_fetch_functions(texImage, 3);
2401
2402 check_gen_mipmap(ctx, target, texObj, level);
2403
2404 update_fbo_texture(ctx, texObj, face, level);
2405
2406 /* state update */
2407 texObj->_Complete = GL_FALSE;
2408 ctx->NewState |= _NEW_TEXTURE;
2409 }
2410 }
2411 _mesa_unlock_texture(ctx, texObj);
2412 }
2413 else if (target == GL_PROXY_TEXTURE_3D ||
2414 (ctx->Extensions.MESA_texture_array &&
2415 target == GL_PROXY_TEXTURE_2D_ARRAY_EXT)) {
2416 /* Proxy texture: check for errors and update proxy state */
2417 struct gl_texture_image *texImage;
2418 texImage = _mesa_get_proxy_tex_image(ctx, target, level);
2419 if (texture_error_check(ctx, target, level, internalFormat,
2420 format, type, 3, width, height, depth, border)) {
2421 /* when error, clear all proxy texture image parameters */
2422 if (texImage)
2423 clear_teximage_fields(texImage);
2424 }
2425 else {
2426 /* no error, set the tex image parameters */
2427 _mesa_init_teximage_fields(ctx, target, texImage, width, height,
2428 depth, border, internalFormat);
2429 texImage->TexFormat =
2430 ctx->Driver.ChooseTextureFormat(ctx, internalFormat, format, type);
2431 }
2432 }
2433 else {
2434 _mesa_error( ctx, GL_INVALID_ENUM, "glTexImage3D(target)" );
2435 return;
2436 }
2437 }
2438
2439
2440 void GLAPIENTRY
2441 _mesa_TexImage3DEXT( GLenum target, GLint level, GLenum internalFormat,
2442 GLsizei width, GLsizei height, GLsizei depth,
2443 GLint border, GLenum format, GLenum type,
2444 const GLvoid *pixels )
2445 {
2446 _mesa_TexImage3D(target, level, (GLint) internalFormat, width, height,
2447 depth, border, format, type, pixels);
2448 }
2449
2450
2451 #if FEATURE_OES_EGL_image
2452 void GLAPIENTRY
2453 _mesa_EGLImageTargetTexture2DOES (GLenum target, GLeglImageOES image)
2454 {
2455 struct gl_texture_object *texObj;
2456 struct gl_texture_image *texImage;
2457 GET_CURRENT_CONTEXT(ctx);
2458 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2459
2460 if (target != GL_TEXTURE_2D) {
2461 _mesa_error(ctx, GL_INVALID_ENUM,
2462 "glEGLImageTargetTexture2D(target=%d)", target);
2463 return;
2464 }
2465
2466 if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
2467 _mesa_update_state(ctx);
2468
2469 texObj = _mesa_get_current_tex_object(ctx, target);
2470 _mesa_lock_texture(ctx, texObj);
2471
2472 texImage = _mesa_get_tex_image(ctx, texObj, target, 0);
2473 if (!texImage) {
2474 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glEGLImageTargetTexture2D");
2475 } else {
2476 if (texImage->Data)
2477 ctx->Driver.FreeTexImageData( ctx, texImage );
2478
2479 ASSERT(texImage->Data == NULL);
2480 ctx->Driver.EGLImageTargetTexture2D(ctx, target,
2481 texObj, texImage, image);
2482
2483 /* state update */
2484 texObj->_Complete = GL_FALSE;
2485 ctx->NewState |= _NEW_TEXTURE;
2486 }
2487 _mesa_unlock_texture(ctx, texObj);
2488
2489 }
2490 #endif
2491
2492
2493 void GLAPIENTRY
2494 _mesa_TexSubImage1D( GLenum target, GLint level,
2495 GLint xoffset, GLsizei width,
2496 GLenum format, GLenum type,
2497 const GLvoid *pixels )
2498 {
2499 GLsizei postConvWidth = width;
2500 struct gl_texture_object *texObj;
2501 struct gl_texture_image *texImage;
2502 GET_CURRENT_CONTEXT(ctx);
2503 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2504
2505 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2506 _mesa_debug(ctx, "glTexSubImage1D %s %d %d %d %s %s %p\n",
2507 _mesa_lookup_enum_by_nr(target), level,
2508 xoffset, width, _mesa_lookup_enum_by_nr(format),
2509 _mesa_lookup_enum_by_nr(type), pixels);
2510
2511 if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
2512 _mesa_update_state(ctx);
2513
2514 #if FEATURE_convolve
2515 /* XXX should test internal format */
2516 if (_mesa_is_color_format(format)) {
2517 _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
2518 }
2519 #endif
2520
2521 if (subtexture_error_check(ctx, 1, target, level, xoffset, 0, 0,
2522 postConvWidth, 1, 1, format, type)) {
2523 return; /* error was detected */
2524 }
2525
2526
2527 texObj = _mesa_get_current_tex_object(ctx, target);
2528 assert(texObj);
2529
2530 _mesa_lock_texture(ctx, texObj);
2531 {
2532 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
2533
2534 if (subtexture_error_check2(ctx, 1, target, level, xoffset, 0, 0,
2535 postConvWidth, 1, 1,
2536 format, type, texImage)) {
2537 /* error was recorded */
2538 }
2539 else if (width > 0) {
2540 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2541 xoffset += texImage->Border;
2542
2543 ASSERT(ctx->Driver.TexSubImage1D);
2544 ctx->Driver.TexSubImage1D(ctx, target, level, xoffset, width,
2545 format, type, pixels, &ctx->Unpack,
2546 texObj, texImage);
2547
2548 check_gen_mipmap(ctx, target, texObj, level);
2549
2550 ctx->NewState |= _NEW_TEXTURE;
2551 }
2552 }
2553 _mesa_unlock_texture(ctx, texObj);
2554 }
2555
2556
2557 void GLAPIENTRY
2558 _mesa_TexSubImage2D( GLenum target, GLint level,
2559 GLint xoffset, GLint yoffset,
2560 GLsizei width, GLsizei height,
2561 GLenum format, GLenum type,
2562 const GLvoid *pixels )
2563 {
2564 GLsizei postConvWidth = width, postConvHeight = height;
2565 struct gl_texture_object *texObj;
2566 struct gl_texture_image *texImage;
2567 GET_CURRENT_CONTEXT(ctx);
2568 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2569
2570 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2571 _mesa_debug(ctx, "glTexSubImage2D %s %d %d %d %d %d %s %s %p\n",
2572 _mesa_lookup_enum_by_nr(target), level,
2573 xoffset, yoffset, width, height,
2574 _mesa_lookup_enum_by_nr(format),
2575 _mesa_lookup_enum_by_nr(type), pixels);
2576
2577 if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
2578 _mesa_update_state(ctx);
2579
2580 #if FEATURE_convolve
2581 /* XXX should test internal format */
2582 if (_mesa_is_color_format(format)) {
2583 _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
2584 &postConvHeight);
2585 }
2586 #endif
2587
2588 if (subtexture_error_check(ctx, 2, target, level, xoffset, yoffset, 0,
2589 postConvWidth, postConvHeight, 1, format, type)) {
2590 return; /* error was detected */
2591 }
2592
2593 texObj = _mesa_get_current_tex_object(ctx, target);
2594
2595 _mesa_lock_texture(ctx, texObj);
2596 {
2597 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
2598
2599 if (subtexture_error_check2(ctx, 2, target, level, xoffset, yoffset, 0,
2600 postConvWidth, postConvHeight, 1,
2601 format, type, texImage)) {
2602 /* error was recorded */
2603 }
2604 else if (width > 0 && height >= 0) {
2605 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2606 xoffset += texImage->Border;
2607 yoffset += texImage->Border;
2608
2609 ASSERT(ctx->Driver.TexSubImage2D);
2610 ctx->Driver.TexSubImage2D(ctx, target, level, xoffset, yoffset,
2611 width, height, format, type, pixels,
2612 &ctx->Unpack, texObj, texImage);
2613
2614 check_gen_mipmap(ctx, target, texObj, level);
2615
2616 ctx->NewState |= _NEW_TEXTURE;
2617 }
2618 }
2619 _mesa_unlock_texture(ctx, texObj);
2620 }
2621
2622
2623
2624 void GLAPIENTRY
2625 _mesa_TexSubImage3D( GLenum target, GLint level,
2626 GLint xoffset, GLint yoffset, GLint zoffset,
2627 GLsizei width, GLsizei height, GLsizei depth,
2628 GLenum format, GLenum type,
2629 const GLvoid *pixels )
2630 {
2631 struct gl_texture_object *texObj;
2632 struct gl_texture_image *texImage;
2633 GET_CURRENT_CONTEXT(ctx);
2634 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2635
2636 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2637 _mesa_debug(ctx, "glTexSubImage3D %s %d %d %d %d %d %d %d %s %s %p\n",
2638 _mesa_lookup_enum_by_nr(target), level,
2639 xoffset, yoffset, zoffset, width, height, depth,
2640 _mesa_lookup_enum_by_nr(format),
2641 _mesa_lookup_enum_by_nr(type), pixels);
2642
2643 if (ctx->NewState & _MESA_NEW_TRANSFER_STATE)
2644 _mesa_update_state(ctx);
2645
2646 if (subtexture_error_check(ctx, 3, target, level, xoffset, yoffset, zoffset,
2647 width, height, depth, format, type)) {
2648 return; /* error was detected */
2649 }
2650
2651 texObj = _mesa_get_current_tex_object(ctx, target);
2652
2653 _mesa_lock_texture(ctx, texObj);
2654 {
2655 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
2656
2657 if (subtexture_error_check2(ctx, 3, target, level,
2658 xoffset, yoffset, zoffset,
2659 width, height, depth,
2660 format, type, texImage)) {
2661 /* error was recorded */
2662 }
2663 else if (width > 0 && height > 0 && height > 0) {
2664 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2665 xoffset += texImage->Border;
2666 yoffset += texImage->Border;
2667 zoffset += texImage->Border;
2668
2669 ASSERT(ctx->Driver.TexSubImage3D);
2670 ctx->Driver.TexSubImage3D(ctx, target, level,
2671 xoffset, yoffset, zoffset,
2672 width, height, depth,
2673 format, type, pixels,
2674 &ctx->Unpack, texObj, texImage );
2675
2676 check_gen_mipmap(ctx, target, texObj, level);
2677
2678 ctx->NewState |= _NEW_TEXTURE;
2679 }
2680 }
2681 _mesa_unlock_texture(ctx, texObj);
2682 }
2683
2684
2685
2686 void GLAPIENTRY
2687 _mesa_CopyTexImage1D( GLenum target, GLint level,
2688 GLenum internalFormat,
2689 GLint x, GLint y,
2690 GLsizei width, GLint border )
2691 {
2692 struct gl_texture_object *texObj;
2693 struct gl_texture_image *texImage;
2694 GLsizei postConvWidth = width;
2695 const GLuint face = _mesa_tex_target_to_face(target);
2696 GET_CURRENT_CONTEXT(ctx);
2697 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2698
2699 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2700 _mesa_debug(ctx, "glCopyTexImage1D %s %d %s %d %d %d %d\n",
2701 _mesa_lookup_enum_by_nr(target), level,
2702 _mesa_lookup_enum_by_nr(internalFormat),
2703 x, y, width, border);
2704
2705 if (ctx->NewState & NEW_COPY_TEX_STATE)
2706 _mesa_update_state(ctx);
2707
2708 #if FEATURE_convolve
2709 if (_mesa_is_color_format(internalFormat)) {
2710 _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
2711 }
2712 #endif
2713
2714 if (copytexture_error_check(ctx, 1, target, level, internalFormat,
2715 postConvWidth, 1, border))
2716 return;
2717
2718 texObj = _mesa_get_current_tex_object(ctx, target);
2719
2720 _mesa_lock_texture(ctx, texObj);
2721 {
2722 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
2723 if (!texImage) {
2724 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage1D");
2725 }
2726 else {
2727 if (texImage->Data) {
2728 ctx->Driver.FreeTexImageData( ctx, texImage );
2729 }
2730
2731 ASSERT(texImage->Data == NULL);
2732
2733 clear_teximage_fields(texImage); /* not really needed, but helpful */
2734 _mesa_init_teximage_fields(ctx, target, texImage, postConvWidth, 1, 1,
2735 border, internalFormat);
2736
2737 /* Choose actual texture format */
2738 texImage->TexFormat =
2739 ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
2740 GL_NONE, GL_NONE);
2741 ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
2742
2743 ASSERT(ctx->Driver.CopyTexImage1D);
2744 ctx->Driver.CopyTexImage1D(ctx, target, level, internalFormat,
2745 x, y, width, border);
2746
2747 ASSERT(texImage->TexFormat);
2748
2749 _mesa_set_fetch_functions(texImage, 1);
2750
2751 check_gen_mipmap(ctx, target, texObj, level);
2752
2753 update_fbo_texture(ctx, texObj, face, level);
2754
2755 /* state update */
2756 texObj->_Complete = GL_FALSE;
2757 ctx->NewState |= _NEW_TEXTURE;
2758 }
2759 }
2760 _mesa_unlock_texture(ctx, texObj);
2761 }
2762
2763
2764
2765 void GLAPIENTRY
2766 _mesa_CopyTexImage2D( GLenum target, GLint level, GLenum internalFormat,
2767 GLint x, GLint y, GLsizei width, GLsizei height,
2768 GLint border )
2769 {
2770 struct gl_texture_object *texObj;
2771 struct gl_texture_image *texImage;
2772 GLsizei postConvWidth = width, postConvHeight = height;
2773 const GLuint face = _mesa_tex_target_to_face(target);
2774 GET_CURRENT_CONTEXT(ctx);
2775 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2776
2777 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2778 _mesa_debug(ctx, "glCopyTexImage2D %s %d %s %d %d %d %d %d\n",
2779 _mesa_lookup_enum_by_nr(target), level,
2780 _mesa_lookup_enum_by_nr(internalFormat),
2781 x, y, width, height, border);
2782
2783 if (ctx->NewState & NEW_COPY_TEX_STATE)
2784 _mesa_update_state(ctx);
2785
2786 #if FEATURE_convolve
2787 if (_mesa_is_color_format(internalFormat)) {
2788 _mesa_adjust_image_for_convolution(ctx, 2, &postConvWidth,
2789 &postConvHeight);
2790 }
2791 #endif
2792
2793 if (copytexture_error_check(ctx, 2, target, level, internalFormat,
2794 postConvWidth, postConvHeight, border))
2795 return;
2796
2797 texObj = _mesa_get_current_tex_object(ctx, target);
2798
2799 _mesa_lock_texture(ctx, texObj);
2800 {
2801 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
2802
2803 if (!texImage) {
2804 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexImage2D");
2805 }
2806 else {
2807 if (texImage->Data) {
2808 ctx->Driver.FreeTexImageData( ctx, texImage );
2809 }
2810
2811 ASSERT(texImage->Data == NULL);
2812
2813 clear_teximage_fields(texImage); /* not really needed, but helpful */
2814 _mesa_init_teximage_fields(ctx, target, texImage,
2815 postConvWidth, postConvHeight, 1,
2816 border, internalFormat);
2817
2818 /* Choose actual texture format */
2819 texImage->TexFormat =
2820 ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
2821 GL_NONE, GL_NONE);
2822 ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
2823
2824 ASSERT(ctx->Driver.CopyTexImage2D);
2825 ctx->Driver.CopyTexImage2D(ctx, target, level, internalFormat,
2826 x, y, width, height, border);
2827
2828 ASSERT(texImage->TexFormat);
2829
2830 _mesa_set_fetch_functions(texImage, 2);
2831
2832 check_gen_mipmap(ctx, target, texObj, level);
2833
2834 update_fbo_texture(ctx, texObj, face, level);
2835
2836 /* state update */
2837 texObj->_Complete = GL_FALSE;
2838 ctx->NewState |= _NEW_TEXTURE;
2839 }
2840 }
2841 _mesa_unlock_texture(ctx, texObj);
2842 }
2843
2844
2845 void GLAPIENTRY
2846 _mesa_CopyTexSubImage1D( GLenum target, GLint level,
2847 GLint xoffset, GLint x, GLint y, GLsizei width )
2848 {
2849 struct gl_texture_object *texObj;
2850 struct gl_texture_image *texImage;
2851 GLsizei postConvWidth = width;
2852 GLint yoffset = 0;
2853 GLsizei height = 1;
2854
2855 GET_CURRENT_CONTEXT(ctx);
2856 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2857
2858 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2859 _mesa_debug(ctx, "glCopyTexSubImage1D %s %d %d %d %d %d\n",
2860 _mesa_lookup_enum_by_nr(target),
2861 level, xoffset, x, y, width);
2862
2863 if (ctx->NewState & NEW_COPY_TEX_STATE)
2864 _mesa_update_state(ctx);
2865
2866 if (copytexsubimage_error_check1(ctx, 1, target, level))
2867 return;
2868
2869 texObj = _mesa_get_current_tex_object(ctx, target);
2870
2871 _mesa_lock_texture(ctx, texObj);
2872 {
2873 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
2874
2875 #if FEATURE_convolve
2876 if (texImage && _mesa_is_color_format(texImage->InternalFormat)) {
2877 _mesa_adjust_image_for_convolution(ctx, 1, &postConvWidth, NULL);
2878 }
2879 #endif
2880
2881 if (copytexsubimage_error_check2(ctx, 1, target, level,
2882 xoffset, 0, 0, postConvWidth, 1,
2883 texImage)) {
2884 /* error was recorded */
2885 }
2886 else {
2887 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2888 xoffset += texImage->Border;
2889
2890 if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
2891 &width, &height)) {
2892 ASSERT(ctx->Driver.CopyTexSubImage1D);
2893 ctx->Driver.CopyTexSubImage1D(ctx, target, level,
2894 xoffset, x, y, width);
2895
2896 check_gen_mipmap(ctx, target, texObj, level);
2897
2898 ctx->NewState |= _NEW_TEXTURE;
2899 }
2900 }
2901 }
2902 _mesa_unlock_texture(ctx, texObj);
2903 }
2904
2905
2906
2907 void GLAPIENTRY
2908 _mesa_CopyTexSubImage2D( GLenum target, GLint level,
2909 GLint xoffset, GLint yoffset,
2910 GLint x, GLint y, GLsizei width, GLsizei height )
2911 {
2912 struct gl_texture_object *texObj;
2913 struct gl_texture_image *texImage;
2914 GLsizei postConvWidth = width, postConvHeight = height;
2915 GET_CURRENT_CONTEXT(ctx);
2916 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2917
2918 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2919 _mesa_debug(ctx, "glCopyTexSubImage2D %s %d %d %d %d %d %d %d\n",
2920 _mesa_lookup_enum_by_nr(target),
2921 level, xoffset, yoffset, x, y, width, height);
2922
2923 if (ctx->NewState & NEW_COPY_TEX_STATE)
2924 _mesa_update_state(ctx);
2925
2926 if (copytexsubimage_error_check1(ctx, 2, target, level))
2927 return;
2928
2929 texObj = _mesa_get_current_tex_object(ctx, target);
2930
2931 _mesa_lock_texture(ctx, texObj);
2932 {
2933 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
2934
2935 #if FEATURE_convolve
2936 if (texImage && _mesa_is_color_format(texImage->InternalFormat)) {
2937 _mesa_adjust_image_for_convolution(ctx, 2,
2938 &postConvWidth, &postConvHeight);
2939 }
2940 #endif
2941
2942 if (copytexsubimage_error_check2(ctx, 2, target, level,
2943 xoffset, yoffset, 0,
2944 postConvWidth, postConvHeight,
2945 texImage)) {
2946 /* error was recorded */
2947 }
2948 else {
2949 /* If we have a border, xoffset=-1 is legal. Bias by border width */
2950 xoffset += texImage->Border;
2951 yoffset += texImage->Border;
2952
2953 if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
2954 &width, &height)) {
2955 ASSERT(ctx->Driver.CopyTexSubImage2D);
2956 ctx->Driver.CopyTexSubImage2D(ctx, target, level, xoffset, yoffset,
2957 x, y, width, height);
2958
2959 check_gen_mipmap(ctx, target, texObj, level);
2960
2961 ctx->NewState |= _NEW_TEXTURE;
2962 }
2963 }
2964 }
2965 _mesa_unlock_texture(ctx, texObj);
2966 }
2967
2968
2969
2970 void GLAPIENTRY
2971 _mesa_CopyTexSubImage3D( GLenum target, GLint level,
2972 GLint xoffset, GLint yoffset, GLint zoffset,
2973 GLint x, GLint y, GLsizei width, GLsizei height )
2974 {
2975 struct gl_texture_object *texObj;
2976 struct gl_texture_image *texImage;
2977 GLsizei postConvWidth = width, postConvHeight = height;
2978 GET_CURRENT_CONTEXT(ctx);
2979 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
2980
2981 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
2982 _mesa_debug(ctx, "glCopyTexSubImage3D %s %d %d %d %d %d %d %d %d\n",
2983 _mesa_lookup_enum_by_nr(target),
2984 level, xoffset, yoffset, zoffset, x, y, width, height);
2985
2986 if (ctx->NewState & NEW_COPY_TEX_STATE)
2987 _mesa_update_state(ctx);
2988
2989 if (copytexsubimage_error_check1(ctx, 3, target, level))
2990 return;
2991
2992 texObj = _mesa_get_current_tex_object(ctx, target);
2993
2994 _mesa_lock_texture(ctx, texObj);
2995 {
2996 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
2997
2998 #if FEATURE_convolve
2999 if (texImage && _mesa_is_color_format(texImage->InternalFormat)) {
3000 _mesa_adjust_image_for_convolution(ctx, 2,
3001 &postConvWidth, &postConvHeight);
3002 }
3003 #endif
3004
3005 if (copytexsubimage_error_check2(ctx, 3, target, level, xoffset, yoffset,
3006 zoffset, postConvWidth, postConvHeight,
3007 texImage)) {
3008 /* error was recored */
3009 }
3010 else {
3011 /* If we have a border, xoffset=-1 is legal. Bias by border width */
3012 xoffset += texImage->Border;
3013 yoffset += texImage->Border;
3014 zoffset += texImage->Border;
3015
3016 if (_mesa_clip_copytexsubimage(ctx, &xoffset, &yoffset, &x, &y,
3017 &width, &height)) {
3018 ASSERT(ctx->Driver.CopyTexSubImage3D);
3019 ctx->Driver.CopyTexSubImage3D(ctx, target, level,
3020 xoffset, yoffset, zoffset,
3021 x, y, width, height);
3022
3023 check_gen_mipmap(ctx, target, texObj, level);
3024
3025 ctx->NewState |= _NEW_TEXTURE;
3026 }
3027 }
3028 }
3029 _mesa_unlock_texture(ctx, texObj);
3030 }
3031
3032
3033
3034
3035 /**********************************************************************/
3036 /****** Compressed Textures ******/
3037 /**********************************************************************/
3038
3039
3040 /**
3041 * Return expected size of a compressed texture.
3042 */
3043 static GLuint
3044 compressed_tex_size(GLsizei width, GLsizei height, GLsizei depth,
3045 GLenum glformat)
3046 {
3047 gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
3048 return _mesa_format_image_size(mesaFormat, width, height, depth);
3049 }
3050
3051
3052 /*
3053 * Return compressed texture block size, in pixels.
3054 */
3055 static void
3056 get_compressed_block_size(GLenum glformat, GLuint *bw, GLuint *bh)
3057 {
3058 gl_format mesaFormat = _mesa_glenum_to_compressed_format(glformat);
3059 _mesa_get_format_block_size(mesaFormat, bw, bh);
3060 }
3061
3062
3063 /**
3064 * Error checking for glCompressedTexImage[123]D().
3065 * \return error code or GL_NO_ERROR.
3066 */
3067 static GLenum
3068 compressed_texture_error_check(GLcontext *ctx, GLint dimensions,
3069 GLenum target, GLint level,
3070 GLenum internalFormat, GLsizei width,
3071 GLsizei height, GLsizei depth, GLint border,
3072 GLsizei imageSize)
3073 {
3074 GLint expectedSize, maxLevels = 0, maxTextureSize;
3075
3076 if (dimensions == 1) {
3077 /* 1D compressed textures not allowed */
3078 return GL_INVALID_ENUM;
3079 }
3080 else if (dimensions == 2) {
3081 if (target == GL_PROXY_TEXTURE_2D) {
3082 maxLevels = ctx->Const.MaxTextureLevels;
3083 }
3084 else if (target == GL_TEXTURE_2D) {
3085 maxLevels = ctx->Const.MaxTextureLevels;
3086 }
3087 else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
3088 if (!ctx->Extensions.ARB_texture_cube_map)
3089 return GL_INVALID_ENUM; /*target*/
3090 maxLevels = ctx->Const.MaxCubeTextureLevels;
3091 }
3092 else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
3093 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
3094 if (!ctx->Extensions.ARB_texture_cube_map)
3095 return GL_INVALID_ENUM; /*target*/
3096 maxLevels = ctx->Const.MaxCubeTextureLevels;
3097 }
3098 else {
3099 return GL_INVALID_ENUM; /*target*/
3100 }
3101 }
3102 else if (dimensions == 3) {
3103 /* 3D compressed textures not allowed */
3104 return GL_INVALID_ENUM;
3105 }
3106
3107 maxTextureSize = 1 << (maxLevels - 1);
3108
3109 /* This will detect any invalid internalFormat value */
3110 if (!is_compressed_format(ctx, internalFormat))
3111 return GL_INVALID_ENUM;
3112
3113 /* This should really never fail */
3114 if (_mesa_base_tex_format(ctx, internalFormat) < 0)
3115 return GL_INVALID_ENUM;
3116
3117 if (border != 0)
3118 return GL_INVALID_VALUE;
3119
3120 /*
3121 * XXX We should probably use the proxy texture error check function here.
3122 */
3123 if (width < 1 || width > maxTextureSize ||
3124 (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(width)))
3125 return GL_INVALID_VALUE;
3126
3127 if ((height < 1 || height > maxTextureSize ||
3128 (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(height)))
3129 && dimensions > 1)
3130 return GL_INVALID_VALUE;
3131
3132 if ((depth < 1 || depth > maxTextureSize ||
3133 (!ctx->Extensions.ARB_texture_non_power_of_two && !_mesa_is_pow_two(depth)))
3134 && dimensions > 2)
3135 return GL_INVALID_VALUE;
3136
3137 /* For cube map, width must equal height */
3138 if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
3139 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB && width != height)
3140 return GL_INVALID_VALUE;
3141
3142 if (level < 0 || level >= maxLevels)
3143 return GL_INVALID_VALUE;
3144
3145 expectedSize = compressed_tex_size(width, height, depth, internalFormat);
3146 if (expectedSize != imageSize)
3147 return GL_INVALID_VALUE;
3148
3149 #if FEATURE_EXT_texture_sRGB
3150 if ((internalFormat == GL_COMPRESSED_SRGB_S3TC_DXT1_EXT ||
3151 internalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT ||
3152 internalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT ||
3153 internalFormat == GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT)
3154 && border != 0) {
3155 return GL_INVALID_OPERATION;
3156 }
3157 #endif
3158
3159 return GL_NO_ERROR;
3160 }
3161
3162
3163 /**
3164 * Error checking for glCompressedTexSubImage[123]D().
3165 * \warning There are some bad assumptions here about the size of compressed
3166 * texture tiles (multiple of 4) used to test the validity of the
3167 * offset and size parameters.
3168 * \return error code or GL_NO_ERROR.
3169 */
3170 static GLenum
3171 compressed_subtexture_error_check(GLcontext *ctx, GLint dimensions,
3172 GLenum target, GLint level,
3173 GLint xoffset, GLint yoffset, GLint zoffset,
3174 GLsizei width, GLsizei height, GLsizei depth,
3175 GLenum format, GLsizei imageSize)
3176 {
3177 GLint expectedSize, maxLevels = 0, maxTextureSize;
3178 GLuint bw, bh;
3179 (void) zoffset;
3180
3181 if (dimensions == 1) {
3182 /* 1D compressed textures not allowed */
3183 return GL_INVALID_ENUM;
3184 }
3185 else if (dimensions == 2) {
3186 if (target == GL_PROXY_TEXTURE_2D) {
3187 maxLevels = ctx->Const.MaxTextureLevels;
3188 }
3189 else if (target == GL_TEXTURE_2D) {
3190 maxLevels = ctx->Const.MaxTextureLevels;
3191 }
3192 else if (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
3193 if (!ctx->Extensions.ARB_texture_cube_map)
3194 return GL_INVALID_ENUM; /*target*/
3195 maxLevels = ctx->Const.MaxCubeTextureLevels;
3196 }
3197 else if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
3198 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB) {
3199 if (!ctx->Extensions.ARB_texture_cube_map)
3200 return GL_INVALID_ENUM; /*target*/
3201 maxLevels = ctx->Const.MaxCubeTextureLevels;
3202 }
3203 else {
3204 return GL_INVALID_ENUM; /*target*/
3205 }
3206 }
3207 else if (dimensions == 3) {
3208 /* 3D compressed textures not allowed */
3209 return GL_INVALID_ENUM;
3210 }
3211
3212 maxTextureSize = 1 << (maxLevels - 1);
3213
3214 /* this will catch any invalid compressed format token */
3215 if (!is_compressed_format(ctx, format))
3216 return GL_INVALID_ENUM;
3217
3218 if (width < 1 || width > maxTextureSize)
3219 return GL_INVALID_VALUE;
3220
3221 if ((height < 1 || height > maxTextureSize)
3222 && dimensions > 1)
3223 return GL_INVALID_VALUE;
3224
3225 if (level < 0 || level >= maxLevels)
3226 return GL_INVALID_VALUE;
3227
3228 /*
3229 * do checks which depend on compression block size
3230 */
3231 get_compressed_block_size(format, &bw, &bh);
3232
3233 if ((xoffset % bw != 0) || (yoffset % bh != 0))
3234 return GL_INVALID_VALUE;
3235
3236 if ((width % bw != 0) && width != 2 && width != 1)
3237 return GL_INVALID_VALUE;
3238
3239 if ((height % bh != 0) && height != 2 && height != 1)
3240 return GL_INVALID_VALUE;
3241
3242 expectedSize = compressed_tex_size(width, height, depth, format);
3243 if (expectedSize != imageSize)
3244 return GL_INVALID_VALUE;
3245
3246 return GL_NO_ERROR;
3247 }
3248
3249
3250 /**
3251 * Do second part of glCompressedTexSubImage error checking.
3252 * \return GL_TRUE if error found, GL_FALSE otherwise.
3253 */
3254 static GLboolean
3255 compressed_subtexture_error_check2(GLcontext *ctx, GLuint dims,
3256 GLsizei width, GLsizei height,
3257 GLsizei depth, GLenum format,
3258 struct gl_texture_image *texImage)
3259 {
3260
3261 if ((GLint) format != texImage->InternalFormat) {
3262 _mesa_error(ctx, GL_INVALID_OPERATION,
3263 "glCompressedTexSubImage%uD(format=0x%x)", dims, format);
3264 return GL_TRUE;
3265 }
3266
3267 if (((width == 1 || width == 2) &&
3268 width != (GLsizei) texImage->Width) ||
3269 (width > (GLsizei) texImage->Width)) {
3270 _mesa_error(ctx, GL_INVALID_VALUE,
3271 "glCompressedTexSubImage%uD(width=%d)", dims, width);
3272 return GL_TRUE;
3273 }
3274
3275 if (dims >= 2) {
3276 if (((height == 1 || height == 2) &&
3277 height != (GLsizei) texImage->Height) ||
3278 (height > (GLsizei) texImage->Height)) {
3279 _mesa_error(ctx, GL_INVALID_VALUE,
3280 "glCompressedTexSubImage%uD(height=%d)", dims, height);
3281 return GL_TRUE;
3282 }
3283 }
3284
3285 if (dims >= 3) {
3286 if (((depth == 1 || depth == 2) &&
3287 depth != (GLsizei) texImage->Depth) ||
3288 (depth > (GLsizei) texImage->Depth)) {
3289 _mesa_error(ctx, GL_INVALID_VALUE,
3290 "glCompressedTexSubImage%uD(depth=%d)", dims, depth);
3291 return GL_TRUE;
3292 }
3293 }
3294
3295 return GL_FALSE;
3296 }
3297
3298
3299
3300 void GLAPIENTRY
3301 _mesa_CompressedTexImage1DARB(GLenum target, GLint level,
3302 GLenum internalFormat, GLsizei width,
3303 GLint border, GLsizei imageSize,
3304 const GLvoid *data)
3305 {
3306 GET_CURRENT_CONTEXT(ctx);
3307 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
3308
3309 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
3310 _mesa_debug(ctx, "glCompressedTexImage1DARB %s %d %s %d %d %d %p\n",
3311 _mesa_lookup_enum_by_nr(target), level,
3312 _mesa_lookup_enum_by_nr(internalFormat),
3313 width, border, imageSize, data);
3314
3315 if (target == GL_TEXTURE_1D) {
3316 /* non-proxy target */
3317 struct gl_texture_object *texObj;
3318 struct gl_texture_image *texImage;
3319 GLenum error = compressed_texture_error_check(ctx, 1, target, level,
3320 internalFormat, width, 1, 1, border, imageSize);
3321 if (error) {
3322 _mesa_error(ctx, error, "glCompressedTexImage1D");
3323 return;
3324 }
3325
3326 texObj = _mesa_get_current_tex_object(ctx, target);
3327
3328 _mesa_lock_texture(ctx, texObj);
3329 {
3330 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
3331 if (!texImage) {
3332 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage1D");
3333 }
3334 else {
3335 if (texImage->Data) {
3336 ctx->Driver.FreeTexImageData( ctx, texImage );
3337 }
3338 ASSERT(texImage->Data == NULL);
3339
3340 _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1,
3341 border, internalFormat);
3342
3343 /* Choose actual texture format */
3344 texImage->TexFormat =
3345 ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
3346 GL_NONE, GL_NONE);
3347 ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
3348
3349 ASSERT(ctx->Driver.CompressedTexImage1D);
3350 ctx->Driver.CompressedTexImage1D(ctx, target, level,
3351 internalFormat, width, border,
3352 imageSize, data,
3353 texObj, texImage);
3354
3355 _mesa_set_fetch_functions(texImage, 1);
3356
3357 check_gen_mipmap(ctx, target, texObj, level);
3358
3359 /* state update */
3360 texObj->_Complete = GL_FALSE;
3361 ctx->NewState |= _NEW_TEXTURE;
3362 }
3363 }
3364 _mesa_unlock_texture(ctx, texObj);
3365 }
3366 else if (target == GL_PROXY_TEXTURE_1D) {
3367 /* Proxy texture: check for errors and update proxy state */
3368 GLenum error = compressed_texture_error_check(ctx, 1, target, level,
3369 internalFormat, width, 1, 1, border, imageSize);
3370 if (!error) {
3371 ASSERT(ctx->Driver.TestProxyTexImage);
3372 error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
3373 internalFormat, GL_NONE, GL_NONE,
3374 width, 1, 1, border);
3375 }
3376 if (error) {
3377 /* if error, clear all proxy texture image parameters */
3378 struct gl_texture_image *texImage;
3379 texImage = _mesa_get_proxy_tex_image(ctx, target, level);
3380 if (texImage)
3381 clear_teximage_fields(texImage);
3382 }
3383 else {
3384 /* store the teximage parameters */
3385 struct gl_texture_object *texObj;
3386 struct gl_texture_image *texImage;
3387
3388 texObj = _mesa_get_current_tex_object(ctx, target);
3389
3390 _mesa_lock_texture(ctx, texObj);
3391 {
3392 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
3393 _mesa_init_teximage_fields(ctx, target, texImage, width, 1, 1,
3394 border, internalFormat);
3395 }
3396 _mesa_unlock_texture(ctx, texObj);
3397 }
3398 }
3399 else {
3400 _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage1D(target)");
3401 return;
3402 }
3403 }
3404
3405
3406 void GLAPIENTRY
3407 _mesa_CompressedTexImage2DARB(GLenum target, GLint level,
3408 GLenum internalFormat, GLsizei width,
3409 GLsizei height, GLint border, GLsizei imageSize,
3410 const GLvoid *data)
3411 {
3412 GET_CURRENT_CONTEXT(ctx);
3413 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
3414
3415 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
3416 _mesa_debug(ctx, "glCompressedTexImage2DARB %s %d %s %d %d %d %d %p\n",
3417 _mesa_lookup_enum_by_nr(target), level,
3418 _mesa_lookup_enum_by_nr(internalFormat),
3419 width, height, border, imageSize, data);
3420
3421 if (target == GL_TEXTURE_2D ||
3422 (ctx->Extensions.ARB_texture_cube_map &&
3423 target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
3424 target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)) {
3425 /* non-proxy target */
3426 struct gl_texture_object *texObj;
3427 struct gl_texture_image *texImage;
3428
3429 GLenum error = compressed_texture_error_check(ctx, 2, target, level,
3430 internalFormat, width, height, 1, border, imageSize);
3431 if (error) {
3432 _mesa_error(ctx, error, "glCompressedTexImage2D");
3433 return;
3434 }
3435
3436 texObj = _mesa_get_current_tex_object(ctx, target);
3437
3438 _mesa_lock_texture(ctx, texObj);
3439 {
3440 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
3441 if (!texImage) {
3442 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2D");
3443 }
3444 else {
3445 if (texImage->Data) {
3446 ctx->Driver.FreeTexImageData( ctx, texImage );
3447 }
3448 ASSERT(texImage->Data == NULL);
3449
3450 _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
3451 border, internalFormat);
3452
3453 /* Choose actual texture format */
3454 texImage->TexFormat =
3455 ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
3456 GL_NONE, GL_NONE);
3457 ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
3458
3459 ASSERT(ctx->Driver.CompressedTexImage2D);
3460 ctx->Driver.CompressedTexImage2D(ctx, target, level,
3461 internalFormat, width, height,
3462 border, imageSize, data,
3463 texObj, texImage);
3464
3465 _mesa_set_fetch_functions(texImage, 2);
3466
3467 check_gen_mipmap(ctx, target, texObj, level);
3468
3469 /* state update */
3470 texObj->_Complete = GL_FALSE;
3471 ctx->NewState |= _NEW_TEXTURE;
3472 }
3473 }
3474 _mesa_unlock_texture(ctx, texObj);
3475 }
3476 else if (target == GL_PROXY_TEXTURE_2D ||
3477 (target == GL_PROXY_TEXTURE_CUBE_MAP_ARB &&
3478 ctx->Extensions.ARB_texture_cube_map)) {
3479 /* Proxy texture: check for errors and update proxy state */
3480 GLenum error = compressed_texture_error_check(ctx, 2, target, level,
3481 internalFormat, width, height, 1, border, imageSize);
3482 if (!error) {
3483 ASSERT(ctx->Driver.TestProxyTexImage);
3484 error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
3485 internalFormat, GL_NONE, GL_NONE,
3486 width, height, 1, border);
3487 }
3488 if (error) {
3489 /* if error, clear all proxy texture image parameters */
3490 struct gl_texture_image *texImage;
3491 texImage = _mesa_get_proxy_tex_image(ctx, target, level);
3492 if (texImage)
3493 clear_teximage_fields(texImage);
3494 }
3495 else {
3496 /* store the teximage parameters */
3497 struct gl_texture_object *texObj;
3498 struct gl_texture_image *texImage;
3499
3500 texObj = _mesa_get_current_tex_object(ctx, target);
3501
3502 _mesa_lock_texture(ctx, texObj);
3503 {
3504 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
3505 _mesa_init_teximage_fields(ctx, target, texImage, width, height, 1,
3506 border, internalFormat);
3507 }
3508 _mesa_unlock_texture(ctx, texObj);
3509 }
3510 }
3511 else {
3512 _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage2D(target)");
3513 return;
3514 }
3515 }
3516
3517
3518 void GLAPIENTRY
3519 _mesa_CompressedTexImage3DARB(GLenum target, GLint level,
3520 GLenum internalFormat, GLsizei width,
3521 GLsizei height, GLsizei depth, GLint border,
3522 GLsizei imageSize, const GLvoid *data)
3523 {
3524 GET_CURRENT_CONTEXT(ctx);
3525 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
3526
3527 if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
3528 _mesa_debug(ctx, "glCompressedTexImage3DARB %s %d %s %d %d %d %d %d %p\n",
3529 _mesa_lookup_enum_by_nr(target), level,
3530 _mesa_lookup_enum_by_nr(internalFormat),
3531 width, height, depth, border, imageSize, data);
3532
3533 if (target == GL_TEXTURE_3D) {
3534 /* non-proxy target */
3535 struct gl_texture_object *texObj;
3536 struct gl_texture_image *texImage;
3537 GLenum error = compressed_texture_error_check(ctx, 3, target, level,
3538 internalFormat, width, height, depth, border, imageSize);
3539 if (error) {
3540 _mesa_error(ctx, error, "glCompressedTexImage3D");
3541 return;
3542 }
3543
3544 texObj = _mesa_get_current_tex_object(ctx, target);
3545
3546 _mesa_lock_texture(ctx, texObj);
3547 {
3548 texImage = _mesa_get_tex_image(ctx, texObj, target, level);
3549 if (!texImage) {
3550 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage3D");
3551 }
3552 else {
3553 if (texImage->Data) {
3554 ctx->Driver.FreeTexImageData( ctx, texImage );
3555 }
3556 ASSERT(texImage->Data == NULL);
3557
3558 _mesa_init_teximage_fields(ctx, target, texImage,
3559 width, height, depth,
3560 border, internalFormat);
3561
3562 /* Choose actual texture format */
3563 texImage->TexFormat =
3564 ctx->Driver.ChooseTextureFormat(ctx, internalFormat,
3565 GL_NONE, GL_NONE);
3566 ASSERT(texImage->TexFormat != MESA_FORMAT_NONE);
3567
3568 ASSERT(ctx->Driver.CompressedTexImage3D);
3569 ctx->Driver.CompressedTexImage3D(ctx, target, level,
3570 internalFormat,
3571 width, height, depth,
3572 border, imageSize, data,
3573 texObj, texImage);
3574
3575 _mesa_set_fetch_functions(texImage, 3);
3576
3577 check_gen_mipmap(ctx, target, texObj, level);
3578
3579 /* state update */
3580 texObj->_Complete = GL_FALSE;
3581 ctx->NewState |= _NEW_TEXTURE;
3582 }
3583 }
3584 _mesa_unlock_texture(ctx, texObj);
3585 }
3586 else if (target == GL_PROXY_TEXTURE_3D) {
3587 /* Proxy texture: check for errors and update proxy state */
3588 GLenum error = compressed_texture_error_check(ctx, 3, target, level,
3589 internalFormat, width, height, depth, border, imageSize);
3590 if (!error) {
3591 ASSERT(ctx->Driver.TestProxyTexImage);
3592 error = !(*ctx->Driver.TestProxyTexImage)(ctx, target, level,
3593 internalFormat, GL_NONE, GL_NONE,
3594 width, height, depth, border);
3595 }
3596 if (error) {
3597 /* if error, clear all proxy texture image parameters */
3598 struct gl_texture_image *texImage;
3599 texImage = _mesa_get_proxy_tex_image(ctx, target, level);
3600 if (texImage)
3601 clear_teximage_fields(texImage);
3602 }
3603 else {
3604 /* store the teximage parameters */
3605 struct gl_texture_object *texObj;
3606 struct gl_texture_image *texImage;
3607
3608 texObj = _mesa_get_current_tex_object(ctx, target);
3609
3610 _mesa_lock_texture(ctx, texObj);
3611 {
3612 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
3613 _mesa_init_teximage_fields(ctx, target, texImage, width, height,
3614 depth, border, internalFormat);
3615 }
3616 _mesa_unlock_texture(ctx, texObj);
3617 }
3618 }
3619 else {
3620 _mesa_error(ctx, GL_INVALID_ENUM, "glCompressedTexImage3D(target)");
3621 return;
3622 }
3623 }
3624
3625
3626 /**
3627 * Common helper for glCompressedTexSubImage1/2/3D().
3628 */
3629 static void
3630 compressed_tex_sub_image(GLuint dims, GLenum target, GLint level,
3631 GLint xoffset, GLint yoffset, GLint zoffset,
3632 GLsizei width, GLsizei height, GLsizei depth,
3633 GLenum format, GLsizei imageSize, const GLvoid *data)
3634 {
3635 struct gl_texture_object *texObj;
3636 struct gl_texture_image *texImage;
3637 GLenum error;
3638 GET_CURRENT_CONTEXT(ctx);
3639 ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
3640
3641 error = compressed_subtexture_error_check(ctx, dims, target, level,
3642 xoffset, 0, 0, /* pos */
3643 width, height, depth, /* size */
3644 format, imageSize);
3645 if (error) {
3646 _mesa_error(ctx, error, "glCompressedTexSubImage%uD", dims);
3647 return;
3648 }
3649
3650 texObj = _mesa_get_current_tex_object(ctx, target);
3651
3652 _mesa_lock_texture(ctx, texObj);
3653 {
3654 texImage = _mesa_select_tex_image(ctx, texObj, target, level);
3655 assert(texImage);
3656
3657 if (compressed_subtexture_error_check2(ctx, dims, width, height, depth,
3658 format, texImage)) {
3659 /* error was recorded */
3660 }
3661 else if (width > 0 && height > 0 && depth > 0) {
3662 switch (dims) {
3663 case 1:
3664 if (ctx->Driver.CompressedTexSubImage1D) {
3665 ctx->Driver.CompressedTexSubImage1D(ctx, target, level,
3666 xoffset, width,
3667 format, imageSize, data,
3668 texObj, texImage);
3669 }
3670 break;
3671 case 2:
3672 if (ctx->Driver.CompressedTexSubImage2D) {
3673 ctx->Driver.CompressedTexSubImage2D(ctx, target, level,
3674 xoffset, yoffset,
3675 width, height,
3676 format, imageSize, data,
3677 texObj, texImage);
3678 }
3679 break;
3680 case 3:
3681 if (ctx->Driver.CompressedTexSubImage3D) {
3682 ctx->Driver.CompressedTexSubImage3D(ctx, target, level,
3683 xoffset, yoffset, zoffset,
3684 width, height, depth,
3685 format, imageSize, data,
3686 texObj, texImage);
3687 }
3688 break;
3689 default:
3690 ;
3691 }
3692
3693 check_gen_mipmap(ctx, target, texObj, level);
3694
3695 ctx->NewState |= _NEW_TEXTURE;
3696 }
3697 }
3698 _mesa_unlock_texture(ctx, texObj);
3699 }
3700
3701
3702 void GLAPIENTRY
3703 _mesa_CompressedTexSubImage1DARB(GLenum target, GLint level, GLint xoffset,
3704 GLsizei width, GLenum format,
3705 GLsizei imageSize, const GLvoid *data)
3706 {
3707 compressed_tex_sub_image(1, target, level, xoffset, 0, 0, width, 1, 1,
3708 format, imageSize, data);
3709 }
3710
3711
3712 void GLAPIENTRY
3713 _mesa_CompressedTexSubImage2DARB(GLenum target, GLint level, GLint xoffset,
3714 GLint yoffset, GLsizei width, GLsizei height,
3715 GLenum format, GLsizei imageSize,
3716 const GLvoid *data)
3717 {
3718 compressed_tex_sub_image(2, target, level, xoffset, yoffset, 0,
3719 width, height, 1, format, imageSize, data);
3720 }
3721
3722
3723 void GLAPIENTRY
3724 _mesa_CompressedTexSubImage3DARB(GLenum target, GLint level, GLint xoffset,
3725 GLint yoffset, GLint zoffset, GLsizei width,
3726 GLsizei height, GLsizei depth, GLenum format,
3727 GLsizei imageSize, const GLvoid *data)
3728 {
3729 compressed_tex_sub_image(3, target, level, xoffset, yoffset, zoffset,
3730 width, height, depth, format, imageSize, data);
3731 }
3732
3733