projects / mesa.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
mesa: implement new texture format ARGB2101010
[mesa.git] / src / mesa / main / texstore.c
1 /*
2 * Mesa 3-D graphics library
3 * Version: 7.5
4 *
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (c) 2008-2009 VMware, Inc.
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 * Authors:
28 * Brian Paul
29 */
30
31 /**
32 * The GL texture image functions in teximage.c basically just do
33 * error checking and data structure allocation. They in turn call
34 * device driver functions which actually copy/convert/store the user's
35 * texture image data.
36 *
37 * However, most device drivers will be able to use the fallback functions
38 * in this file. That is, most drivers will have the following bit of
39 * code:
40 * ctx->Driver.TexImage1D = _mesa_store_teximage1d;
41 * ctx->Driver.TexImage2D = _mesa_store_teximage2d;
42 * ctx->Driver.TexImage3D = _mesa_store_teximage3d;
43 * etc...
44 *
45 * Texture image processing is actually kind of complicated. We have to do:
46 * Format/type conversions
47 * pixel unpacking
48 * pixel transfer (scale, bais, lookup, etc)
49 *
50 * These functions can handle most everything, including processing full
51 * images and sub-images.
52 */
53
54
55 #include "glheader.h"
56 #include "bufferobj.h"
57 #include "colormac.h"
58 #include "image.h"
59 #include "macros.h"
60 #include "mipmap.h"
61 #include "pack.h"
62 #include "imports.h"
63 #include "pack.h"
64 #include "texcompress.h"
65 #include "texcompress_fxt1.h"
66 #include "texcompress_s3tc.h"
67 #include "teximage.h"
68 #include "texstore.h"
69 #include "enums.h"
70
71
72 enum {
73 ZERO = 4,
74 ONE = 5
75 };
76
77
78 /**
79 * Texture image storage function.
80 */
81 typedef GLboolean (*StoreTexImageFunc)(TEXSTORE_PARAMS);
82
83
84 /**
85 * Return GL_TRUE if the given image format is one that be converted
86 * to another format by swizzling.
87 */
88 static GLboolean
89 can_swizzle(GLenum logicalBaseFormat)
90 {
91 switch (logicalBaseFormat) {
92 case GL_RGBA:
93 case GL_RGB:
94 case GL_LUMINANCE_ALPHA:
95 case GL_INTENSITY:
96 case GL_ALPHA:
97 case GL_LUMINANCE:
98 case GL_RED:
99 case GL_GREEN:
100 case GL_BLUE:
101 case GL_BGR:
102 case GL_BGRA:
103 case GL_ABGR_EXT:
104 case GL_RG:
105 return GL_TRUE;
106 default:
107 return GL_FALSE;
108 }
109 }
110
111
112
113 enum {
114 IDX_LUMINANCE = 0,
115 IDX_ALPHA,
116 IDX_INTENSITY,
117 IDX_LUMINANCE_ALPHA,
118 IDX_RGB,
119 IDX_RGBA,
120 IDX_RED,
121 IDX_GREEN,
122 IDX_BLUE,
123 IDX_BGR,
124 IDX_BGRA,
125 IDX_ABGR,
126 IDX_RG,
127 MAX_IDX
128 };
129
130 #define MAP1(x) MAP4(x, ZERO, ZERO, ZERO)
131 #define MAP2(x,y) MAP4(x, y, ZERO, ZERO)
132 #define MAP3(x,y,z) MAP4(x, y, z, ZERO)
133 #define MAP4(x,y,z,w) { x, y, z, w, ZERO, ONE }
134
135
136 static const struct {
137 GLubyte format_idx;
138 GLubyte to_rgba[6];
139 GLubyte from_rgba[6];
140 } mappings[MAX_IDX] =
141 {
142 {
143 IDX_LUMINANCE,
144 MAP4(0,0,0,ONE),
145 MAP1(0)
146 },
147
148 {
149 IDX_ALPHA,
150 MAP4(ZERO, ZERO, ZERO, 0),
151 MAP1(3)
152 },
153
154 {
155 IDX_INTENSITY,
156 MAP4(0, 0, 0, 0),
157 MAP1(0),
158 },
159
160 {
161 IDX_LUMINANCE_ALPHA,
162 MAP4(0,0,0,1),
163 MAP2(0,3)
164 },
165
166 {
167 IDX_RGB,
168 MAP4(0,1,2,ONE),
169 MAP3(0,1,2)
170 },
171
172 {
173 IDX_RGBA,
174 MAP4(0,1,2,3),
175 MAP4(0,1,2,3),
176 },
177
178 {
179 IDX_RED,
180 MAP4(0, ZERO, ZERO, ONE),
181 MAP1(0),
182 },
183
184 {
185 IDX_GREEN,
186 MAP4(ZERO, 0, ZERO, ONE),
187 MAP1(1),
188 },
189
190 {
191 IDX_BLUE,
192 MAP4(ZERO, ZERO, 0, ONE),
193 MAP1(2),
194 },
195
196 {
197 IDX_BGR,
198 MAP4(2,1,0,ONE),
199 MAP3(2,1,0)
200 },
201
202 {
203 IDX_BGRA,
204 MAP4(2,1,0,3),
205 MAP4(2,1,0,3)
206 },
207
208 {
209 IDX_ABGR,
210 MAP4(3,2,1,0),
211 MAP4(3,2,1,0)
212 },
213
214 {
215 IDX_RG,
216 MAP4(0, 1, ZERO, ONE),
217 MAP2(0, 1)
218 },
219 };
220
221
222
223 /**
224 * Convert a GL image format enum to an IDX_* value (see above).
225 */
226 static int
227 get_map_idx(GLenum value)
228 {
229 switch (value) {
230 case GL_LUMINANCE: return IDX_LUMINANCE;
231 case GL_ALPHA: return IDX_ALPHA;
232 case GL_INTENSITY: return IDX_INTENSITY;
233 case GL_LUMINANCE_ALPHA: return IDX_LUMINANCE_ALPHA;
234 case GL_RGB: return IDX_RGB;
235 case GL_RGBA: return IDX_RGBA;
236 case GL_RED: return IDX_RED;
237 case GL_GREEN: return IDX_GREEN;
238 case GL_BLUE: return IDX_BLUE;
239 case GL_BGR: return IDX_BGR;
240 case GL_BGRA: return IDX_BGRA;
241 case GL_ABGR_EXT: return IDX_ABGR;
242 case GL_RG: return IDX_RG;
243 default:
244 _mesa_problem(NULL, "Unexpected inFormat");
245 return 0;
246 }
247 }
248
249
250 /**
251 * When promoting texture formats (see below) we need to compute the
252 * mapping of dest components back to source components.
253 * This function does that.
254 * \param inFormat the incoming format of the texture
255 * \param outFormat the final texture format
256 * \return map[6] a full 6-component map
257 */
258 static void
259 compute_component_mapping(GLenum inFormat, GLenum outFormat,
260 GLubyte *map)
261 {
262 const int inFmt = get_map_idx(inFormat);
263 const int outFmt = get_map_idx(outFormat);
264 const GLubyte *in2rgba = mappings[inFmt].to_rgba;
265 const GLubyte *rgba2out = mappings[outFmt].from_rgba;
266 int i;
267
268 for (i = 0; i < 4; i++)
269 map[i] = in2rgba[rgba2out[i]];
270
271 map[ZERO] = ZERO;
272 map[ONE] = ONE;
273
274 #if 0
275 printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n",
276 inFormat, _mesa_lookup_enum_by_nr(inFormat),
277 outFormat, _mesa_lookup_enum_by_nr(outFormat),
278 map[0],
279 map[1],
280 map[2],
281 map[3],
282 map[4],
283 map[5]);
284 #endif
285 }
286
287
288 /**
289 * Make a temporary (color) texture image with GLfloat components.
290 * Apply all needed pixel unpacking and pixel transfer operations.
291 * Note that there are both logicalBaseFormat and textureBaseFormat parameters.
292 * Suppose the user specifies GL_LUMINANCE as the internal texture format
293 * but the graphics hardware doesn't support luminance textures. So, we might
294 * use an RGB hardware format instead.
295 * If logicalBaseFormat != textureBaseFormat we have some extra work to do.
296 *
297 * \param ctx the rendering context
298 * \param dims image dimensions: 1, 2 or 3
299 * \param logicalBaseFormat basic texture derived from the user's
300 * internal texture format value
301 * \param textureBaseFormat the actual basic format of the texture
302 * \param srcWidth source image width
303 * \param srcHeight source image height
304 * \param srcDepth source image depth
305 * \param srcFormat source image format
306 * \param srcType source image type
307 * \param srcAddr source image address
308 * \param srcPacking source image pixel packing
309 * \return resulting image with format = textureBaseFormat and type = GLfloat.
310 */
311 static GLfloat *
312 make_temp_float_image(struct gl_context *ctx, GLuint dims,
313 GLenum logicalBaseFormat,
314 GLenum textureBaseFormat,
315 GLint srcWidth, GLint srcHeight, GLint srcDepth,
316 GLenum srcFormat, GLenum srcType,
317 const GLvoid *srcAddr,
318 const struct gl_pixelstore_attrib *srcPacking,
319 GLbitfield transferOps)
320 {
321 GLfloat *tempImage;
322 const GLint components = _mesa_components_in_format(logicalBaseFormat);
323 const GLint srcStride =
324 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
325 GLfloat *dst;
326 GLint img, row;
327
328 ASSERT(dims >= 1 && dims <= 3);
329
330 ASSERT(logicalBaseFormat == GL_RGBA ||
331 logicalBaseFormat == GL_RGB ||
332 logicalBaseFormat == GL_RG ||
333 logicalBaseFormat == GL_RED ||
334 logicalBaseFormat == GL_LUMINANCE_ALPHA ||
335 logicalBaseFormat == GL_LUMINANCE ||
336 logicalBaseFormat == GL_ALPHA ||
337 logicalBaseFormat == GL_INTENSITY ||
338 logicalBaseFormat == GL_COLOR_INDEX ||
339 logicalBaseFormat == GL_DEPTH_COMPONENT);
340
341 ASSERT(textureBaseFormat == GL_RGBA ||
342 textureBaseFormat == GL_RGB ||
343 textureBaseFormat == GL_RG ||
344 textureBaseFormat == GL_RED ||
345 textureBaseFormat == GL_LUMINANCE_ALPHA ||
346 textureBaseFormat == GL_LUMINANCE ||
347 textureBaseFormat == GL_ALPHA ||
348 textureBaseFormat == GL_INTENSITY ||
349 textureBaseFormat == GL_COLOR_INDEX ||
350 textureBaseFormat == GL_DEPTH_COMPONENT);
351
352 tempImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth
353 * components * sizeof(GLfloat));
354 if (!tempImage)
355 return NULL;
356
357 dst = tempImage;
358 for (img = 0; img < srcDepth; img++) {
359 const GLubyte *src
360 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
361 srcWidth, srcHeight,
362 srcFormat, srcType,
363 img, 0, 0);
364 for (row = 0; row < srcHeight; row++) {
365 _mesa_unpack_color_span_float(ctx, srcWidth, logicalBaseFormat,
366 dst, srcFormat, srcType, src,
367 srcPacking, transferOps);
368 dst += srcWidth * components;
369 src += srcStride;
370 }
371 }
372
373 if (logicalBaseFormat != textureBaseFormat) {
374 /* more work */
375 GLint texComponents = _mesa_components_in_format(textureBaseFormat);
376 GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
377 GLfloat *newImage;
378 GLint i, n;
379 GLubyte map[6];
380
381 /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
382 ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
383 textureBaseFormat == GL_LUMINANCE_ALPHA);
384
385 /* The actual texture format should have at least as many components
386 * as the logical texture format.
387 */
388 ASSERT(texComponents >= logComponents);
389
390 newImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth
391 * texComponents * sizeof(GLfloat));
392 if (!newImage) {
393 free(tempImage);
394 return NULL;
395 }
396
397 compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
398
399 n = srcWidth * srcHeight * srcDepth;
400 for (i = 0; i < n; i++) {
401 GLint k;
402 for (k = 0; k < texComponents; k++) {
403 GLint j = map[k];
404 if (j == ZERO)
405 newImage[i * texComponents + k] = 0.0F;
406 else if (j == ONE)
407 newImage[i * texComponents + k] = 1.0F;
408 else
409 newImage[i * texComponents + k] = tempImage[i * logComponents + j];
410 }
411 }
412
413 free(tempImage);
414 tempImage = newImage;
415 }
416
417 return tempImage;
418 }
419
420
421 /**
422 * Make temporary image with uint pixel values. Used for unsigned
423 * integer-valued textures.
424 */
425 static GLuint *
426 make_temp_uint_image(struct gl_context *ctx, GLuint dims,
427 GLenum logicalBaseFormat,
428 GLenum textureBaseFormat,
429 GLint srcWidth, GLint srcHeight, GLint srcDepth,
430 GLenum srcFormat, GLenum srcType,
431 const GLvoid *srcAddr,
432 const struct gl_pixelstore_attrib *srcPacking)
433 {
434 GLuint *tempImage;
435 const GLint components = _mesa_components_in_format(logicalBaseFormat);
436 const GLint srcStride =
437 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
438 GLuint *dst;
439 GLint img, row;
440
441 ASSERT(dims >= 1 && dims <= 3);
442
443 ASSERT(logicalBaseFormat == GL_RGBA ||
444 logicalBaseFormat == GL_RGB ||
445 logicalBaseFormat == GL_RG ||
446 logicalBaseFormat == GL_RED ||
447 logicalBaseFormat == GL_LUMINANCE_ALPHA ||
448 logicalBaseFormat == GL_LUMINANCE ||
449 logicalBaseFormat == GL_INTENSITY ||
450 logicalBaseFormat == GL_ALPHA);
451
452 ASSERT(textureBaseFormat == GL_RGBA ||
453 textureBaseFormat == GL_RGB ||
454 textureBaseFormat == GL_RG ||
455 textureBaseFormat == GL_RED ||
456 textureBaseFormat == GL_LUMINANCE_ALPHA ||
457 textureBaseFormat == GL_LUMINANCE ||
458 textureBaseFormat == GL_ALPHA);
459
460 tempImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth
461 * components * sizeof(GLuint));
462 if (!tempImage)
463 return NULL;
464
465 dst = tempImage;
466 for (img = 0; img < srcDepth; img++) {
467 const GLubyte *src
468 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
469 srcWidth, srcHeight,
470 srcFormat, srcType,
471 img, 0, 0);
472 for (row = 0; row < srcHeight; row++) {
473 _mesa_unpack_color_span_uint(ctx, srcWidth, logicalBaseFormat,
474 dst, srcFormat, srcType, src,
475 srcPacking);
476 dst += srcWidth * components;
477 src += srcStride;
478 }
479 }
480
481 if (logicalBaseFormat != textureBaseFormat) {
482 /* more work */
483 GLint texComponents = _mesa_components_in_format(textureBaseFormat);
484 GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
485 GLuint *newImage;
486 GLint i, n;
487 GLubyte map[6];
488
489 /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
490 ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
491 textureBaseFormat == GL_LUMINANCE_ALPHA);
492
493 /* The actual texture format should have at least as many components
494 * as the logical texture format.
495 */
496 ASSERT(texComponents >= logComponents);
497
498 newImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth
499 * texComponents * sizeof(GLuint));
500 if (!newImage) {
501 free(tempImage);
502 return NULL;
503 }
504
505 compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
506
507 n = srcWidth * srcHeight * srcDepth;
508 for (i = 0; i < n; i++) {
509 GLint k;
510 for (k = 0; k < texComponents; k++) {
511 GLint j = map[k];
512 if (j == ZERO)
513 newImage[i * texComponents + k] = 0.0F;
514 else if (j == ONE)
515 newImage[i * texComponents + k] = 1.0F;
516 else
517 newImage[i * texComponents + k] = tempImage[i * logComponents + j];
518 }
519 }
520
521 free(tempImage);
522 tempImage = newImage;
523 }
524
525 return tempImage;
526 }
527
528
529
530 /**
531 * Make a temporary (color) texture image with GLchan components.
532 * Apply all needed pixel unpacking and pixel transfer operations.
533 * Note that there are both logicalBaseFormat and textureBaseFormat parameters.
534 * Suppose the user specifies GL_LUMINANCE as the internal texture format
535 * but the graphics hardware doesn't support luminance textures. So, we might
536 * use an RGB hardware format instead.
537 * If logicalBaseFormat != textureBaseFormat we have some extra work to do.
538 *
539 * \param ctx the rendering context
540 * \param dims image dimensions: 1, 2 or 3
541 * \param logicalBaseFormat basic texture derived from the user's
542 * internal texture format value
543 * \param textureBaseFormat the actual basic format of the texture
544 * \param srcWidth source image width
545 * \param srcHeight source image height
546 * \param srcDepth source image depth
547 * \param srcFormat source image format
548 * \param srcType source image type
549 * \param srcAddr source image address
550 * \param srcPacking source image pixel packing
551 * \return resulting image with format = textureBaseFormat and type = GLchan.
552 */
553 GLchan *
554 _mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
555 GLenum logicalBaseFormat,
556 GLenum textureBaseFormat,
557 GLint srcWidth, GLint srcHeight, GLint srcDepth,
558 GLenum srcFormat, GLenum srcType,
559 const GLvoid *srcAddr,
560 const struct gl_pixelstore_attrib *srcPacking)
561 {
562 GLuint transferOps = ctx->_ImageTransferState;
563 const GLint components = _mesa_components_in_format(logicalBaseFormat);
564 GLint img, row;
565 GLchan *tempImage, *dst;
566
567 ASSERT(dims >= 1 && dims <= 3);
568
569 ASSERT(logicalBaseFormat == GL_RGBA ||
570 logicalBaseFormat == GL_RGB ||
571 logicalBaseFormat == GL_RG ||
572 logicalBaseFormat == GL_RED ||
573 logicalBaseFormat == GL_LUMINANCE_ALPHA ||
574 logicalBaseFormat == GL_LUMINANCE ||
575 logicalBaseFormat == GL_ALPHA ||
576 logicalBaseFormat == GL_INTENSITY);
577
578 ASSERT(textureBaseFormat == GL_RGBA ||
579 textureBaseFormat == GL_RGB ||
580 textureBaseFormat == GL_RG ||
581 textureBaseFormat == GL_RED ||
582 textureBaseFormat == GL_LUMINANCE_ALPHA ||
583 textureBaseFormat == GL_LUMINANCE ||
584 textureBaseFormat == GL_ALPHA ||
585 textureBaseFormat == GL_INTENSITY);
586
587 /* unpack and transfer the source image */
588 tempImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth
589 * components * sizeof(GLchan));
590 if (!tempImage) {
591 return NULL;
592 }
593
594 dst = tempImage;
595 for (img = 0; img < srcDepth; img++) {
596 const GLint srcStride =
597 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
598 const GLubyte *src =
599 (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
600 srcWidth, srcHeight,
601 srcFormat, srcType,
602 img, 0, 0);
603 for (row = 0; row < srcHeight; row++) {
604 _mesa_unpack_color_span_chan(ctx, srcWidth, logicalBaseFormat, dst,
605 srcFormat, srcType, src, srcPacking,
606 transferOps);
607 dst += srcWidth * components;
608 src += srcStride;
609 }
610 }
611
612 if (logicalBaseFormat != textureBaseFormat) {
613 /* one more conversion step */
614 GLint texComponents = _mesa_components_in_format(textureBaseFormat);
615 GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
616 GLchan *newImage;
617 GLint i, n;
618 GLubyte map[6];
619
620 /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
621 ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
622 textureBaseFormat == GL_LUMINANCE_ALPHA);
623
624 /* The actual texture format should have at least as many components
625 * as the logical texture format.
626 */
627 ASSERT(texComponents >= logComponents);
628
629 newImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth
630 * texComponents * sizeof(GLchan));
631 if (!newImage) {
632 free(tempImage);
633 return NULL;
634 }
635
636 compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
637
638 n = srcWidth * srcHeight * srcDepth;
639 for (i = 0; i < n; i++) {
640 GLint k;
641 for (k = 0; k < texComponents; k++) {
642 GLint j = map[k];
643 if (j == ZERO)
644 newImage[i * texComponents + k] = 0;
645 else if (j == ONE)
646 newImage[i * texComponents + k] = CHAN_MAX;
647 else
648 newImage[i * texComponents + k] = tempImage[i * logComponents + j];
649 }
650 }
651
652 free(tempImage);
653 tempImage = newImage;
654 }
655
656 return tempImage;
657 }
658
659
660 /**
661 * Copy GLubyte pixels from <src> to <dst> with swizzling.
662 * \param dst destination pixels
663 * \param dstComponents number of color components in destination pixels
664 * \param src source pixels
665 * \param srcComponents number of color components in source pixels
666 * \param map the swizzle mapping. map[X] says where to find the X component
667 * in the source image's pixels. For example, if the source image
668 * is GL_BGRA and X = red, map[0] yields 2.
669 * \param count number of pixels to copy/swizzle.
670 */
671 static void
672 swizzle_copy(GLubyte *dst, GLuint dstComponents, const GLubyte *src,
673 GLuint srcComponents, const GLubyte *map, GLuint count)
674 {
675 #define SWZ_CPY(dst, src, count, dstComps, srcComps) \
676 do { \
677 GLuint i; \
678 for (i = 0; i < count; i++) { \
679 GLuint j; \
680 if (srcComps == 4) { \
681 COPY_4UBV(tmp, src); \
682 } \
683 else { \
684 for (j = 0; j < srcComps; j++) { \
685 tmp[j] = src[j]; \
686 } \
687 } \
688 src += srcComps; \
689 for (j = 0; j < dstComps; j++) { \
690 dst[j] = tmp[map[j]]; \
691 } \
692 dst += dstComps; \
693 } \
694 } while (0)
695
696 GLubyte tmp[6];
697
698 tmp[ZERO] = 0x0;
699 tmp[ONE] = 0xff;
700
701 ASSERT(srcComponents <= 4);
702 ASSERT(dstComponents <= 4);
703
704 switch (dstComponents) {
705 case 4:
706 switch (srcComponents) {
707 case 4:
708 SWZ_CPY(dst, src, count, 4, 4);
709 break;
710 case 3:
711 SWZ_CPY(dst, src, count, 4, 3);
712 break;
713 case 2:
714 SWZ_CPY(dst, src, count, 4, 2);
715 break;
716 case 1:
717 SWZ_CPY(dst, src, count, 4, 1);
718 break;
719 default:
720 ;
721 }
722 break;
723 case 3:
724 switch (srcComponents) {
725 case 4:
726 SWZ_CPY(dst, src, count, 3, 4);
727 break;
728 case 3:
729 SWZ_CPY(dst, src, count, 3, 3);
730 break;
731 case 2:
732 SWZ_CPY(dst, src, count, 3, 2);
733 break;
734 case 1:
735 SWZ_CPY(dst, src, count, 3, 1);
736 break;
737 default:
738 ;
739 }
740 break;
741 case 2:
742 switch (srcComponents) {
743 case 4:
744 SWZ_CPY(dst, src, count, 2, 4);
745 break;
746 case 3:
747 SWZ_CPY(dst, src, count, 2, 3);
748 break;
749 case 2:
750 SWZ_CPY(dst, src, count, 2, 2);
751 break;
752 case 1:
753 SWZ_CPY(dst, src, count, 2, 1);
754 break;
755 default:
756 ;
757 }
758 break;
759 case 1:
760 switch (srcComponents) {
761 case 4:
762 SWZ_CPY(dst, src, count, 1, 4);
763 break;
764 case 3:
765 SWZ_CPY(dst, src, count, 1, 3);
766 break;
767 case 2:
768 SWZ_CPY(dst, src, count, 1, 2);
769 break;
770 case 1:
771 SWZ_CPY(dst, src, count, 1, 1);
772 break;
773 default:
774 ;
775 }
776 break;
777 default:
778 ;
779 }
780 #undef SWZ_CPY
781 }
782
783
784
785 static const GLubyte map_identity[6] = { 0, 1, 2, 3, ZERO, ONE };
786 static const GLubyte map_3210[6] = { 3, 2, 1, 0, ZERO, ONE };
787
788
789 /**
790 * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a
791 * mapping array depending on endianness.
792 */
793 static const GLubyte *
794 type_mapping( GLenum srcType )
795 {
796 switch (srcType) {
797 case GL_BYTE:
798 case GL_UNSIGNED_BYTE:
799 return map_identity;
800 case GL_UNSIGNED_INT_8_8_8_8:
801 return _mesa_little_endian() ? map_3210 : map_identity;
802 case GL_UNSIGNED_INT_8_8_8_8_REV:
803 return _mesa_little_endian() ? map_identity : map_3210;
804 default:
805 return NULL;
806 }
807 }
808
809
810 /**
811 * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a
812 * mapping array depending on pixelstore byte swapping state.
813 */
814 static const GLubyte *
815 byteswap_mapping( GLboolean swapBytes,
816 GLenum srcType )
817 {
818 if (!swapBytes)
819 return map_identity;
820
821 switch (srcType) {
822 case GL_BYTE:
823 case GL_UNSIGNED_BYTE:
824 return map_identity;
825 case GL_UNSIGNED_INT_8_8_8_8:
826 case GL_UNSIGNED_INT_8_8_8_8_REV:
827 return map_3210;
828 default:
829 return NULL;
830 }
831 }
832
833
834
835 /**
836 * Transfer a GLubyte texture image with component swizzling.
837 */
838 static void
839 _mesa_swizzle_ubyte_image(struct gl_context *ctx,
840 GLuint dimensions,
841 GLenum srcFormat,
842 GLenum srcType,
843
844 GLenum baseInternalFormat,
845
846 const GLubyte *rgba2dst,
847 GLuint dstComponents,
848
849 GLvoid *dstAddr,
850 GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
851 GLint dstRowStride,
852 const GLuint *dstImageOffsets,
853
854 GLint srcWidth, GLint srcHeight, GLint srcDepth,
855 const GLvoid *srcAddr,
856 const struct gl_pixelstore_attrib *srcPacking )
857 {
858 GLint srcComponents = _mesa_components_in_format(srcFormat);
859 const GLubyte *srctype2ubyte, *swap;
860 GLubyte map[4], src2base[6], base2rgba[6];
861 GLint i;
862 const GLint srcRowStride =
863 _mesa_image_row_stride(srcPacking, srcWidth,
864 srcFormat, GL_UNSIGNED_BYTE);
865 const GLint srcImageStride
866 = _mesa_image_image_stride(srcPacking, srcWidth, srcHeight, srcFormat,
867 GL_UNSIGNED_BYTE);
868 const GLubyte *srcImage
869 = (const GLubyte *) _mesa_image_address(dimensions, srcPacking, srcAddr,
870 srcWidth, srcHeight, srcFormat,
871 GL_UNSIGNED_BYTE, 0, 0, 0);
872
873 (void) ctx;
874
875 /* Translate from src->baseInternal->GL_RGBA->dst. This will
876 * correctly deal with RGBA->RGB->RGBA conversions where the final
877 * A value must be 0xff regardless of the incoming alpha values.
878 */
879 compute_component_mapping(srcFormat, baseInternalFormat, src2base);
880 compute_component_mapping(baseInternalFormat, GL_RGBA, base2rgba);
881 swap = byteswap_mapping(srcPacking->SwapBytes, srcType);
882 srctype2ubyte = type_mapping(srcType);
883
884
885 for (i = 0; i < 4; i++)
886 map[i] = srctype2ubyte[swap[src2base[base2rgba[rgba2dst[i]]]]];
887
888 /* printf("map %d %d %d %d\n", map[0], map[1], map[2], map[3]); */
889
890 if (srcComponents == dstComponents &&
891 srcRowStride == dstRowStride &&
892 srcRowStride == srcWidth * srcComponents &&
893 dimensions < 3) {
894 /* 1 and 2D images only */
895 GLubyte *dstImage = (GLubyte *) dstAddr
896 + dstYoffset * dstRowStride
897 + dstXoffset * dstComponents;
898 swizzle_copy(dstImage, dstComponents, srcImage, srcComponents, map,
899 srcWidth * srcHeight);
900 }
901 else {
902 GLint img, row;
903 for (img = 0; img < srcDepth; img++) {
904 const GLubyte *srcRow = srcImage;
905 GLubyte *dstRow = (GLubyte *) dstAddr
906 + dstImageOffsets[dstZoffset + img] * dstComponents
907 + dstYoffset * dstRowStride
908 + dstXoffset * dstComponents;
909 for (row = 0; row < srcHeight; row++) {
910 swizzle_copy(dstRow, dstComponents, srcRow, srcComponents, map, srcWidth);
911 dstRow += dstRowStride;
912 srcRow += srcRowStride;
913 }
914 srcImage += srcImageStride;
915 }
916 }
917 }
918
919
920 /**
921 * Teximage storage routine for when a simple memcpy will do.
922 * No pixel transfer operations or special texel encodings allowed.
923 * 1D, 2D and 3D images supported.
924 */
925 static void
926 memcpy_texture(struct gl_context *ctx,
927 GLuint dimensions,
928 gl_format dstFormat,
929 GLvoid *dstAddr,
930 GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
931 GLint dstRowStride,
932 const GLuint *dstImageOffsets,
933 GLint srcWidth, GLint srcHeight, GLint srcDepth,
934 GLenum srcFormat, GLenum srcType,
935 const GLvoid *srcAddr,
936 const struct gl_pixelstore_attrib *srcPacking)
937 {
938 const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth,
939 srcFormat, srcType);
940 const GLint srcImageStride = _mesa_image_image_stride(srcPacking,
941 srcWidth, srcHeight, srcFormat, srcType);
942 const GLubyte *srcImage = (const GLubyte *) _mesa_image_address(dimensions,
943 srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
944 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
945 const GLint bytesPerRow = srcWidth * texelBytes;
946
947 #if 0
948 /* XXX update/re-enable for dstImageOffsets array */
949 const GLint bytesPerImage = srcHeight * bytesPerRow;
950 const GLint bytesPerTexture = srcDepth * bytesPerImage;
951 GLubyte *dstImage = (GLubyte *) dstAddr
952 + dstZoffset * dstImageStride
953 + dstYoffset * dstRowStride
954 + dstXoffset * texelBytes;
955
956 if (dstRowStride == srcRowStride &&
957 dstRowStride == bytesPerRow &&
958 ((dstImageStride == srcImageStride &&
959 dstImageStride == bytesPerImage) ||
960 (srcDepth == 1))) {
961 /* one big memcpy */
962 ctx->Driver.TextureMemCpy(dstImage, srcImage, bytesPerTexture);
963 }
964 else
965 {
966 GLint img, row;
967 for (img = 0; img < srcDepth; img++) {
968 const GLubyte *srcRow = srcImage;
969 GLubyte *dstRow = dstImage;
970 for (row = 0; row < srcHeight; row++) {
971 ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);
972 dstRow += dstRowStride;
973 srcRow += srcRowStride;
974 }
975 srcImage += srcImageStride;
976 dstImage += dstImageStride;
977 }
978 }
979 #endif
980
981 GLint img, row;
982 for (img = 0; img < srcDepth; img++) {
983 const GLubyte *srcRow = srcImage;
984 GLubyte *dstRow = (GLubyte *) dstAddr
985 + dstImageOffsets[dstZoffset + img] * texelBytes
986 + dstYoffset * dstRowStride
987 + dstXoffset * texelBytes;
988 for (row = 0; row < srcHeight; row++) {
989 ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);
990 dstRow += dstRowStride;
991 srcRow += srcRowStride;
992 }
993 srcImage += srcImageStride;
994 }
995 }
996
997
998
999 /**
1000 * Store a 32-bit integer depth component texture image.
1001 */
1002 static GLboolean
1003 _mesa_texstore_z32(TEXSTORE_PARAMS)
1004 {
1005 const GLuint depthScale = 0xffffffff;
1006 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1007 (void) dims;
1008 ASSERT(dstFormat == MESA_FORMAT_Z32);
1009 ASSERT(texelBytes == sizeof(GLuint));
1010
1011 if (ctx->Pixel.DepthScale == 1.0f &&
1012 ctx->Pixel.DepthBias == 0.0f &&
1013 !srcPacking->SwapBytes &&
1014 baseInternalFormat == GL_DEPTH_COMPONENT &&
1015 srcFormat == GL_DEPTH_COMPONENT &&
1016 srcType == GL_UNSIGNED_INT) {
1017 /* simple memcpy path */
1018 memcpy_texture(ctx, dims,
1019 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1020 dstRowStride,
1021 dstImageOffsets,
1022 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1023 srcAddr, srcPacking);
1024 }
1025 else {
1026 /* general path */
1027 GLint img, row;
1028 for (img = 0; img < srcDepth; img++) {
1029 GLubyte *dstRow = (GLubyte *) dstAddr
1030 + dstImageOffsets[dstZoffset + img] * texelBytes
1031 + dstYoffset * dstRowStride
1032 + dstXoffset * texelBytes;
1033 for (row = 0; row < srcHeight; row++) {
1034 const GLvoid *src = _mesa_image_address(dims, srcPacking,
1035 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
1036 _mesa_unpack_depth_span(ctx, srcWidth,
1037 GL_UNSIGNED_INT, (GLuint *) dstRow,
1038 depthScale, srcType, src, srcPacking);
1039 dstRow += dstRowStride;
1040 }
1041 }
1042 }
1043 return GL_TRUE;
1044 }
1045
1046
1047 /**
1048 * Store a 24-bit integer depth component texture image.
1049 */
1050 static GLboolean
1051 _mesa_texstore_x8_z24(TEXSTORE_PARAMS)
1052 {
1053 const GLuint depthScale = 0xffffff;
1054 const GLuint texelBytes = 4;
1055
1056 (void) dims;
1057 ASSERT(dstFormat == MESA_FORMAT_X8_Z24);
1058
1059 {
1060 /* general path */
1061 GLint img, row;
1062 for (img = 0; img < srcDepth; img++) {
1063 GLubyte *dstRow = (GLubyte *) dstAddr
1064 + dstImageOffsets[dstZoffset + img] * texelBytes
1065 + dstYoffset * dstRowStride
1066 + dstXoffset * texelBytes;
1067 for (row = 0; row < srcHeight; row++) {
1068 const GLvoid *src = _mesa_image_address(dims, srcPacking,
1069 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
1070 _mesa_unpack_depth_span(ctx, srcWidth,
1071 GL_UNSIGNED_INT, (GLuint *) dstRow,
1072 depthScale, srcType, src, srcPacking);
1073 dstRow += dstRowStride;
1074 }
1075 }
1076 }
1077 return GL_TRUE;
1078 }
1079
1080
1081 /**
1082 * Store a 24-bit integer depth component texture image.
1083 */
1084 static GLboolean
1085 _mesa_texstore_z24_x8(TEXSTORE_PARAMS)
1086 {
1087 const GLuint depthScale = 0xffffff;
1088 const GLuint texelBytes = 4;
1089
1090 (void) dims;
1091 ASSERT(dstFormat == MESA_FORMAT_Z24_X8);
1092
1093 {
1094 /* general path */
1095 GLint img, row;
1096 for (img = 0; img < srcDepth; img++) {
1097 GLubyte *dstRow = (GLubyte *) dstAddr
1098 + dstImageOffsets[dstZoffset + img] * texelBytes
1099 + dstYoffset * dstRowStride
1100 + dstXoffset * texelBytes;
1101 for (row = 0; row < srcHeight; row++) {
1102 const GLvoid *src = _mesa_image_address(dims, srcPacking,
1103 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
1104 GLuint *dst = (GLuint *) dstRow;
1105 GLint i;
1106 _mesa_unpack_depth_span(ctx, srcWidth,
1107 GL_UNSIGNED_INT, dst,
1108 depthScale, srcType, src, srcPacking);
1109 for (i = 0; i < srcWidth; i++)
1110 dst[i] <<= 8;
1111 dstRow += dstRowStride;
1112 }
1113 }
1114 }
1115 return GL_TRUE;
1116 }
1117
1118
1119 /**
1120 * Store a 16-bit integer depth component texture image.
1121 */
1122 static GLboolean
1123 _mesa_texstore_z16(TEXSTORE_PARAMS)
1124 {
1125 const GLuint depthScale = 0xffff;
1126 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1127 (void) dims;
1128 ASSERT(dstFormat == MESA_FORMAT_Z16);
1129 ASSERT(texelBytes == sizeof(GLushort));
1130
1131 if (ctx->Pixel.DepthScale == 1.0f &&
1132 ctx->Pixel.DepthBias == 0.0f &&
1133 !srcPacking->SwapBytes &&
1134 baseInternalFormat == GL_DEPTH_COMPONENT &&
1135 srcFormat == GL_DEPTH_COMPONENT &&
1136 srcType == GL_UNSIGNED_SHORT) {
1137 /* simple memcpy path */
1138 memcpy_texture(ctx, dims,
1139 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1140 dstRowStride,
1141 dstImageOffsets,
1142 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1143 srcAddr, srcPacking);
1144 }
1145 else {
1146 /* general path */
1147 GLint img, row;
1148 for (img = 0; img < srcDepth; img++) {
1149 GLubyte *dstRow = (GLubyte *) dstAddr
1150 + dstImageOffsets[dstZoffset + img] * texelBytes
1151 + dstYoffset * dstRowStride
1152 + dstXoffset * texelBytes;
1153 for (row = 0; row < srcHeight; row++) {
1154 const GLvoid *src = _mesa_image_address(dims, srcPacking,
1155 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
1156 GLushort *dst16 = (GLushort *) dstRow;
1157 _mesa_unpack_depth_span(ctx, srcWidth,
1158 GL_UNSIGNED_SHORT, dst16, depthScale,
1159 srcType, src, srcPacking);
1160 dstRow += dstRowStride;
1161 }
1162 }
1163 }
1164 return GL_TRUE;
1165 }
1166
1167
1168 /**
1169 * Store an rgb565 or rgb565_rev texture image.
1170 */
1171 static GLboolean
1172 _mesa_texstore_rgb565(TEXSTORE_PARAMS)
1173 {
1174 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1175 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1176
1177 ASSERT(dstFormat == MESA_FORMAT_RGB565 ||
1178 dstFormat == MESA_FORMAT_RGB565_REV);
1179 ASSERT(texelBytes == 2);
1180
1181 if (!ctx->_ImageTransferState &&
1182 !srcPacking->SwapBytes &&
1183 dstFormat == MESA_FORMAT_RGB565 &&
1184 baseInternalFormat == GL_RGB &&
1185 srcFormat == GL_RGB &&
1186 srcType == GL_UNSIGNED_SHORT_5_6_5) {
1187 /* simple memcpy path */
1188 memcpy_texture(ctx, dims,
1189 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1190 dstRowStride,
1191 dstImageOffsets,
1192 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1193 srcAddr, srcPacking);
1194 }
1195 else if (!ctx->_ImageTransferState &&
1196 !srcPacking->SwapBytes &&
1197 baseInternalFormat == GL_RGB &&
1198 srcFormat == GL_RGB &&
1199 srcType == GL_UNSIGNED_BYTE &&
1200 dims == 2) {
1201 /* do optimized tex store */
1202 const GLint srcRowStride =
1203 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1204 const GLubyte *src = (const GLubyte *)
1205 _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight,
1206 srcFormat, srcType, 0, 0, 0);
1207 GLubyte *dst = (GLubyte *) dstAddr
1208 + dstYoffset * dstRowStride
1209 + dstXoffset * texelBytes;
1210 GLint row, col;
1211 for (row = 0; row < srcHeight; row++) {
1212 const GLubyte *srcUB = (const GLubyte *) src;
1213 GLushort *dstUS = (GLushort *) dst;
1214 /* check for byteswapped format */
1215 if (dstFormat == MESA_FORMAT_RGB565) {
1216 for (col = 0; col < srcWidth; col++) {
1217 dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] );
1218 srcUB += 3;
1219 }
1220 }
1221 else {
1222 for (col = 0; col < srcWidth; col++) {
1223 dstUS[col] = PACK_COLOR_565_REV( srcUB[0], srcUB[1], srcUB[2] );
1224 srcUB += 3;
1225 }
1226 }
1227 dst += dstRowStride;
1228 src += srcRowStride;
1229 }
1230 }
1231 else {
1232 /* general path */
1233 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1234 baseInternalFormat,
1235 baseFormat,
1236 srcWidth, srcHeight, srcDepth,
1237 srcFormat, srcType, srcAddr,
1238 srcPacking);
1239 const GLchan *src = tempImage;
1240 GLint img, row, col;
1241 if (!tempImage)
1242 return GL_FALSE;
1243 for (img = 0; img < srcDepth; img++) {
1244 GLubyte *dstRow = (GLubyte *) dstAddr
1245 + dstImageOffsets[dstZoffset + img] * texelBytes
1246 + dstYoffset * dstRowStride
1247 + dstXoffset * texelBytes;
1248 for (row = 0; row < srcHeight; row++) {
1249 GLushort *dstUS = (GLushort *) dstRow;
1250 /* check for byteswapped format */
1251 if (dstFormat == MESA_FORMAT_RGB565) {
1252 for (col = 0; col < srcWidth; col++) {
1253 dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]),
1254 CHAN_TO_UBYTE(src[GCOMP]),
1255 CHAN_TO_UBYTE(src[BCOMP]) );
1256 src += 3;
1257 }
1258 }
1259 else {
1260 for (col = 0; col < srcWidth; col++) {
1261 dstUS[col] = PACK_COLOR_565_REV( CHAN_TO_UBYTE(src[RCOMP]),
1262 CHAN_TO_UBYTE(src[GCOMP]),
1263 CHAN_TO_UBYTE(src[BCOMP]) );
1264 src += 3;
1265 }
1266 }
1267 dstRow += dstRowStride;
1268 }
1269 }
1270 free((void *) tempImage);
1271 }
1272 return GL_TRUE;
1273 }
1274
1275
1276 /**
1277 * Store a texture in MESA_FORMAT_RGBA8888 or MESA_FORMAT_RGBA8888_REV.
1278 */
1279 static GLboolean
1280 _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
1281 {
1282 const GLboolean littleEndian = _mesa_little_endian();
1283 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1284 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1285
1286 ASSERT(dstFormat == MESA_FORMAT_RGBA8888 ||
1287 dstFormat == MESA_FORMAT_RGBA8888_REV);
1288 ASSERT(texelBytes == 4);
1289
1290 if (!ctx->_ImageTransferState &&
1291 !srcPacking->SwapBytes &&
1292 dstFormat == MESA_FORMAT_RGBA8888 &&
1293 baseInternalFormat == GL_RGBA &&
1294 ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
1295 (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
1296 (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
1297 (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian))) {
1298 /* simple memcpy path */
1299 memcpy_texture(ctx, dims,
1300 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1301 dstRowStride,
1302 dstImageOffsets,
1303 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1304 srcAddr, srcPacking);
1305 }
1306 else if (!ctx->_ImageTransferState &&
1307 !srcPacking->SwapBytes &&
1308 dstFormat == MESA_FORMAT_RGBA8888_REV &&
1309 baseInternalFormat == GL_RGBA &&
1310 ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
1311 (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) ||
1312 (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
1313 (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian))) {
1314 /* simple memcpy path */
1315 memcpy_texture(ctx, dims,
1316 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1317 dstRowStride,
1318 dstImageOffsets,
1319 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1320 srcAddr, srcPacking);
1321 }
1322 else if (!ctx->_ImageTransferState &&
1323 (srcType == GL_UNSIGNED_BYTE ||
1324 srcType == GL_UNSIGNED_INT_8_8_8_8 ||
1325 srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&
1326 can_swizzle(baseInternalFormat) &&
1327 can_swizzle(srcFormat)) {
1328
1329 GLubyte dstmap[4];
1330
1331 /* dstmap - how to swizzle from RGBA to dst format:
1332 */
1333 if ((littleEndian && dstFormat == MESA_FORMAT_RGBA8888) ||
1334 (!littleEndian && dstFormat == MESA_FORMAT_RGBA8888_REV)) {
1335 dstmap[3] = 0;
1336 dstmap[2] = 1;
1337 dstmap[1] = 2;
1338 dstmap[0] = 3;
1339 }
1340 else {
1341 dstmap[3] = 3;
1342 dstmap[2] = 2;
1343 dstmap[1] = 1;
1344 dstmap[0] = 0;
1345 }
1346
1347 _mesa_swizzle_ubyte_image(ctx, dims,
1348 srcFormat,
1349 srcType,
1350 baseInternalFormat,
1351 dstmap, 4,
1352 dstAddr, dstXoffset, dstYoffset, dstZoffset,
1353 dstRowStride, dstImageOffsets,
1354 srcWidth, srcHeight, srcDepth, srcAddr,
1355 srcPacking);
1356 }
1357 else {
1358 /* general path */
1359 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1360 baseInternalFormat,
1361 baseFormat,
1362 srcWidth, srcHeight, srcDepth,
1363 srcFormat, srcType, srcAddr,
1364 srcPacking);
1365 const GLchan *src = tempImage;
1366 GLint img, row, col;
1367 if (!tempImage)
1368 return GL_FALSE;
1369 for (img = 0; img < srcDepth; img++) {
1370 GLubyte *dstRow = (GLubyte *) dstAddr
1371 + dstImageOffsets[dstZoffset + img] * texelBytes
1372 + dstYoffset * dstRowStride
1373 + dstXoffset * texelBytes;
1374 for (row = 0; row < srcHeight; row++) {
1375 GLuint *dstUI = (GLuint *) dstRow;
1376 if (dstFormat == MESA_FORMAT_RGBA8888) {
1377 for (col = 0; col < srcWidth; col++) {
1378 dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]),
1379 CHAN_TO_UBYTE(src[GCOMP]),
1380 CHAN_TO_UBYTE(src[BCOMP]),
1381 CHAN_TO_UBYTE(src[ACOMP]) );
1382 src += 4;
1383 }
1384 }
1385 else {
1386 for (col = 0; col < srcWidth; col++) {
1387 dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[RCOMP]),
1388 CHAN_TO_UBYTE(src[GCOMP]),
1389 CHAN_TO_UBYTE(src[BCOMP]),
1390 CHAN_TO_UBYTE(src[ACOMP]) );
1391 src += 4;
1392 }
1393 }
1394 dstRow += dstRowStride;
1395 }
1396 }
1397 free((void *) tempImage);
1398 }
1399 return GL_TRUE;
1400 }
1401
1402
1403 static GLboolean
1404 _mesa_texstore_argb8888(TEXSTORE_PARAMS)
1405 {
1406 const GLboolean littleEndian = _mesa_little_endian();
1407 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1408 const GLenum baseFormat = GL_RGBA;
1409
1410 ASSERT(dstFormat == MESA_FORMAT_ARGB8888 ||
1411 dstFormat == MESA_FORMAT_ARGB8888_REV ||
1412 dstFormat == MESA_FORMAT_XRGB8888 ||
1413 dstFormat == MESA_FORMAT_XRGB8888_REV );
1414 ASSERT(texelBytes == 4);
1415
1416 if (!ctx->_ImageTransferState &&
1417 !srcPacking->SwapBytes &&
1418 (dstFormat == MESA_FORMAT_ARGB8888 ||
1419 dstFormat == MESA_FORMAT_XRGB8888) &&
1420 baseInternalFormat == GL_RGBA &&
1421 srcFormat == GL_BGRA &&
1422 ((srcType == GL_UNSIGNED_BYTE && littleEndian) ||
1423 srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) {
1424 /* simple memcpy path (little endian) */
1425 memcpy_texture(ctx, dims,
1426 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1427 dstRowStride,
1428 dstImageOffsets,
1429 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1430 srcAddr, srcPacking);
1431 }
1432 else if (!ctx->_ImageTransferState &&
1433 !srcPacking->SwapBytes &&
1434 (dstFormat == MESA_FORMAT_ARGB8888_REV ||
1435 dstFormat == MESA_FORMAT_XRGB8888_REV) &&
1436 baseInternalFormat == GL_RGBA &&
1437 srcFormat == GL_BGRA &&
1438 ((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
1439 srcType == GL_UNSIGNED_INT_8_8_8_8)) {
1440 /* simple memcpy path (big endian) */
1441 memcpy_texture(ctx, dims,
1442 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1443 dstRowStride,
1444 dstImageOffsets,
1445 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1446 srcAddr, srcPacking);
1447 }
1448 else if (!ctx->_ImageTransferState &&
1449 !srcPacking->SwapBytes &&
1450 (dstFormat == MESA_FORMAT_ARGB8888 ||
1451 dstFormat == MESA_FORMAT_XRGB8888) &&
1452 srcFormat == GL_RGB &&
1453 (baseInternalFormat == GL_RGBA ||
1454 baseInternalFormat == GL_RGB) &&
1455 srcType == GL_UNSIGNED_BYTE) {
1456 int img, row, col;
1457 for (img = 0; img < srcDepth; img++) {
1458 const GLint srcRowStride =
1459 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1460 GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
1461 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
1462 GLubyte *dstRow = (GLubyte *) dstAddr
1463 + dstImageOffsets[dstZoffset + img] * texelBytes
1464 + dstYoffset * dstRowStride
1465 + dstXoffset * texelBytes;
1466 for (row = 0; row < srcHeight; row++) {
1467 GLuint *d4 = (GLuint *) dstRow;
1468 for (col = 0; col < srcWidth; col++) {
1469 d4[col] = PACK_COLOR_8888(0xff,
1470 srcRow[col * 3 + RCOMP],
1471 srcRow[col * 3 + GCOMP],
1472 srcRow[col * 3 + BCOMP]);
1473 }
1474 dstRow += dstRowStride;
1475 srcRow += srcRowStride;
1476 }
1477 }
1478 }
1479 else if (!ctx->_ImageTransferState &&
1480 !srcPacking->SwapBytes &&
1481 dstFormat == MESA_FORMAT_ARGB8888 &&
1482 srcFormat == GL_RGBA &&
1483 baseInternalFormat == GL_RGBA &&
1484 srcType == GL_UNSIGNED_BYTE) {
1485 /* same as above case, but src data has alpha too */
1486 GLint img, row, col;
1487 /* For some reason, streaming copies to write-combined regions
1488 * are extremely sensitive to the characteristics of how the
1489 * source data is retrieved. By reordering the source reads to
1490 * be in-order, the speed of this operation increases by half.
1491 * Strangely the same isn't required for the RGB path, above.
1492 */
1493 for (img = 0; img < srcDepth; img++) {
1494 const GLint srcRowStride =
1495 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1496 GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
1497 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
1498 GLubyte *dstRow = (GLubyte *) dstAddr
1499 + dstImageOffsets[dstZoffset + img] * texelBytes
1500 + dstYoffset * dstRowStride
1501 + dstXoffset * texelBytes;
1502 for (row = 0; row < srcHeight; row++) {
1503 GLuint *d4 = (GLuint *) dstRow;
1504 for (col = 0; col < srcWidth; col++) {
1505 d4[col] = PACK_COLOR_8888(srcRow[col * 4 + ACOMP],
1506 srcRow[col * 4 + RCOMP],
1507 srcRow[col * 4 + GCOMP],
1508 srcRow[col * 4 + BCOMP]);
1509 }
1510 dstRow += dstRowStride;
1511 srcRow += srcRowStride;
1512 }
1513 }
1514 }
1515 else if (!ctx->_ImageTransferState &&
1516 (srcType == GL_UNSIGNED_BYTE ||
1517 srcType == GL_UNSIGNED_INT_8_8_8_8 ||
1518 srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&
1519 can_swizzle(baseInternalFormat) &&
1520 can_swizzle(srcFormat)) {
1521
1522 GLubyte dstmap[4];
1523
1524 /* dstmap - how to swizzle from RGBA to dst format:
1525 */
1526 if ((littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
1527 (littleEndian && dstFormat == MESA_FORMAT_XRGB8888) ||
1528 (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
1529 (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV)) {
1530 dstmap[3] = 3; /* alpha */
1531 dstmap[2] = 0; /* red */
1532 dstmap[1] = 1; /* green */
1533 dstmap[0] = 2; /* blue */
1534 }
1535 else {
1536 assert((littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
1537 (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
1538 (littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV) ||
1539 (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888));
1540 dstmap[3] = 2;
1541 dstmap[2] = 1;
1542 dstmap[1] = 0;
1543 dstmap[0] = 3;
1544 }
1545
1546 _mesa_swizzle_ubyte_image(ctx, dims,
1547 srcFormat,
1548 srcType,
1549 baseInternalFormat,
1550 dstmap, 4,
1551 dstAddr, dstXoffset, dstYoffset, dstZoffset,
1552 dstRowStride,
1553 dstImageOffsets,
1554 srcWidth, srcHeight, srcDepth, srcAddr,
1555 srcPacking);
1556 }
1557 else {
1558 /* general path */
1559 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1560 baseInternalFormat,
1561 baseFormat,
1562 srcWidth, srcHeight, srcDepth,
1563 srcFormat, srcType, srcAddr,
1564 srcPacking);
1565 const GLchan *src = tempImage;
1566 GLint img, row, col;
1567 if (!tempImage)
1568 return GL_FALSE;
1569 for (img = 0; img < srcDepth; img++) {
1570 GLubyte *dstRow = (GLubyte *) dstAddr
1571 + dstImageOffsets[dstZoffset + img] * texelBytes
1572 + dstYoffset * dstRowStride
1573 + dstXoffset * texelBytes;
1574 for (row = 0; row < srcHeight; row++) {
1575 GLuint *dstUI = (GLuint *) dstRow;
1576 if (dstFormat == MESA_FORMAT_ARGB8888) {
1577 for (col = 0; col < srcWidth; col++) {
1578 dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]),
1579 CHAN_TO_UBYTE(src[RCOMP]),
1580 CHAN_TO_UBYTE(src[GCOMP]),
1581 CHAN_TO_UBYTE(src[BCOMP]) );
1582 src += 4;
1583 }
1584 }
1585 else if (dstFormat == MESA_FORMAT_XRGB8888) {
1586 for (col = 0; col < srcWidth; col++) {
1587 dstUI[col] = PACK_COLOR_8888( 0xff,
1588 CHAN_TO_UBYTE(src[RCOMP]),
1589 CHAN_TO_UBYTE(src[GCOMP]),
1590 CHAN_TO_UBYTE(src[BCOMP]) );
1591 src += 4;
1592 }
1593 }
1594 else {
1595 for (col = 0; col < srcWidth; col++) {
1596 dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]),
1597 CHAN_TO_UBYTE(src[RCOMP]),
1598 CHAN_TO_UBYTE(src[GCOMP]),
1599 CHAN_TO_UBYTE(src[BCOMP]) );
1600 src += 4;
1601 }
1602 }
1603 dstRow += dstRowStride;
1604 }
1605 }
1606 free((void *) tempImage);
1607 }
1608 return GL_TRUE;
1609 }
1610
1611
1612 static GLboolean
1613 _mesa_texstore_rgb888(TEXSTORE_PARAMS)
1614 {
1615 const GLboolean littleEndian = _mesa_little_endian();
1616 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1617 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1618
1619 ASSERT(dstFormat == MESA_FORMAT_RGB888);
1620 ASSERT(texelBytes == 3);
1621
1622 if (!ctx->_ImageTransferState &&
1623 !srcPacking->SwapBytes &&
1624 baseInternalFormat == GL_RGB &&
1625 srcFormat == GL_BGR &&
1626 srcType == GL_UNSIGNED_BYTE &&
1627 littleEndian) {
1628 /* simple memcpy path */
1629 memcpy_texture(ctx, dims,
1630 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1631 dstRowStride,
1632 dstImageOffsets,
1633 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1634 srcAddr, srcPacking);
1635 }
1636 else if (!ctx->_ImageTransferState &&
1637 !srcPacking->SwapBytes &&
1638 srcFormat == GL_RGBA &&
1639 srcType == GL_UNSIGNED_BYTE) {
1640 /* extract RGB from RGBA */
1641 GLint img, row, col;
1642 for (img = 0; img < srcDepth; img++) {
1643 const GLint srcRowStride =
1644 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1645 GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
1646 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
1647 GLubyte *dstRow = (GLubyte *) dstAddr
1648 + dstImageOffsets[dstZoffset + img] * texelBytes
1649 + dstYoffset * dstRowStride
1650 + dstXoffset * texelBytes;
1651 for (row = 0; row < srcHeight; row++) {
1652 for (col = 0; col < srcWidth; col++) {
1653 dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP];
1654 dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP];
1655 dstRow[col * 3 + 2] = srcRow[col * 4 + RCOMP];
1656 }
1657 dstRow += dstRowStride;
1658 srcRow += srcRowStride;
1659 }
1660 }
1661 }
1662 else if (!ctx->_ImageTransferState &&
1663 srcType == GL_UNSIGNED_BYTE &&
1664 can_swizzle(baseInternalFormat) &&
1665 can_swizzle(srcFormat)) {
1666
1667 GLubyte dstmap[4];
1668
1669 /* dstmap - how to swizzle from RGBA to dst format:
1670 */
1671 dstmap[0] = 2;
1672 dstmap[1] = 1;
1673 dstmap[2] = 0;
1674 dstmap[3] = ONE; /* ? */
1675
1676 _mesa_swizzle_ubyte_image(ctx, dims,
1677 srcFormat,
1678 srcType,
1679 baseInternalFormat,
1680 dstmap, 3,
1681 dstAddr, dstXoffset, dstYoffset, dstZoffset,
1682 dstRowStride, dstImageOffsets,
1683 srcWidth, srcHeight, srcDepth, srcAddr,
1684 srcPacking);
1685 }
1686 else {
1687 /* general path */
1688 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1689 baseInternalFormat,
1690 baseFormat,
1691 srcWidth, srcHeight, srcDepth,
1692 srcFormat, srcType, srcAddr,
1693 srcPacking);
1694 const GLchan *src = (const GLchan *) tempImage;
1695 GLint img, row, col;
1696 if (!tempImage)
1697 return GL_FALSE;
1698 for (img = 0; img < srcDepth; img++) {
1699 GLubyte *dstRow = (GLubyte *) dstAddr
1700 + dstImageOffsets[dstZoffset + img] * texelBytes
1701 + dstYoffset * dstRowStride
1702 + dstXoffset * texelBytes;
1703 for (row = 0; row < srcHeight; row++) {
1704 #if 0
1705 if (littleEndian) {
1706 for (col = 0; col < srcWidth; col++) {
1707 dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
1708 dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
1709 dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);
1710 srcUB += 3;
1711 }
1712 }
1713 else {
1714 for (col = 0; col < srcWidth; col++) {
1715 dstRow[col * 3 + 0] = srcUB[BCOMP];
1716 dstRow[col * 3 + 1] = srcUB[GCOMP];
1717 dstRow[col * 3 + 2] = srcUB[RCOMP];
1718 srcUB += 3;
1719 }
1720 }
1721 #else
1722 for (col = 0; col < srcWidth; col++) {
1723 dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[BCOMP]);
1724 dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
1725 dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[RCOMP]);
1726 src += 3;
1727 }
1728 #endif
1729 dstRow += dstRowStride;
1730 }
1731 }
1732 free((void *) tempImage);
1733 }
1734 return GL_TRUE;
1735 }
1736
1737
1738 static GLboolean
1739 _mesa_texstore_bgr888(TEXSTORE_PARAMS)
1740 {
1741 const GLboolean littleEndian = _mesa_little_endian();
1742 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1743 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1744
1745 ASSERT(dstFormat == MESA_FORMAT_BGR888);
1746 ASSERT(texelBytes == 3);
1747
1748 if (!ctx->_ImageTransferState &&
1749 !srcPacking->SwapBytes &&
1750 baseInternalFormat == GL_RGB &&
1751 srcFormat == GL_RGB &&
1752 srcType == GL_UNSIGNED_BYTE &&
1753 littleEndian) {
1754 /* simple memcpy path */
1755 memcpy_texture(ctx, dims,
1756 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1757 dstRowStride,
1758 dstImageOffsets,
1759 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1760 srcAddr, srcPacking);
1761 }
1762 else if (!ctx->_ImageTransferState &&
1763 !srcPacking->SwapBytes &&
1764 srcFormat == GL_RGBA &&
1765 srcType == GL_UNSIGNED_BYTE) {
1766 /* extract BGR from RGBA */
1767 int img, row, col;
1768 for (img = 0; img < srcDepth; img++) {
1769 const GLint srcRowStride =
1770 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1771 GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
1772 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
1773 GLubyte *dstRow = (GLubyte *) dstAddr
1774 + dstImageOffsets[dstZoffset + img] * texelBytes
1775 + dstYoffset * dstRowStride
1776 + dstXoffset * texelBytes;
1777 for (row = 0; row < srcHeight; row++) {
1778 for (col = 0; col < srcWidth; col++) {
1779 dstRow[col * 3 + 0] = srcRow[col * 4 + RCOMP];
1780 dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP];
1781 dstRow[col * 3 + 2] = srcRow[col * 4 + BCOMP];
1782 }
1783 dstRow += dstRowStride;
1784 srcRow += srcRowStride;
1785 }
1786 }
1787 }
1788 else if (!ctx->_ImageTransferState &&
1789 srcType == GL_UNSIGNED_BYTE &&
1790 can_swizzle(baseInternalFormat) &&
1791 can_swizzle(srcFormat)) {
1792
1793 GLubyte dstmap[4];
1794
1795 /* dstmap - how to swizzle from RGBA to dst format:
1796 */
1797 dstmap[0] = 0;
1798 dstmap[1] = 1;
1799 dstmap[2] = 2;
1800 dstmap[3] = ONE; /* ? */
1801
1802 _mesa_swizzle_ubyte_image(ctx, dims,
1803 srcFormat,
1804 srcType,
1805 baseInternalFormat,
1806 dstmap, 3,
1807 dstAddr, dstXoffset, dstYoffset, dstZoffset,
1808 dstRowStride, dstImageOffsets,
1809 srcWidth, srcHeight, srcDepth, srcAddr,
1810 srcPacking);
1811 }
1812 else {
1813 /* general path */
1814 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1815 baseInternalFormat,
1816 baseFormat,
1817 srcWidth, srcHeight, srcDepth,
1818 srcFormat, srcType, srcAddr,
1819 srcPacking);
1820 const GLchan *src = (const GLchan *) tempImage;
1821 GLint img, row, col;
1822 if (!tempImage)
1823 return GL_FALSE;
1824 for (img = 0; img < srcDepth; img++) {
1825 GLubyte *dstRow = (GLubyte *) dstAddr
1826 + dstImageOffsets[dstZoffset + img] * texelBytes
1827 + dstYoffset * dstRowStride
1828 + dstXoffset * texelBytes;
1829 for (row = 0; row < srcHeight; row++) {
1830 for (col = 0; col < srcWidth; col++) {
1831 dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
1832 dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
1833 dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);
1834 src += 3;
1835 }
1836 dstRow += dstRowStride;
1837 }
1838 }
1839 free((void *) tempImage);
1840 }
1841 return GL_TRUE;
1842 }
1843
1844
1845 static GLboolean
1846 _mesa_texstore_argb4444(TEXSTORE_PARAMS)
1847 {
1848 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1849 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1850
1851 ASSERT(dstFormat == MESA_FORMAT_ARGB4444 ||
1852 dstFormat == MESA_FORMAT_ARGB4444_REV);
1853 ASSERT(texelBytes == 2);
1854
1855 if (!ctx->_ImageTransferState &&
1856 !srcPacking->SwapBytes &&
1857 dstFormat == MESA_FORMAT_ARGB4444 &&
1858 baseInternalFormat == GL_RGBA &&
1859 srcFormat == GL_BGRA &&
1860 srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
1861 /* simple memcpy path */
1862 memcpy_texture(ctx, dims,
1863 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1864 dstRowStride,
1865 dstImageOffsets,
1866 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1867 srcAddr, srcPacking);
1868 }
1869 else {
1870 /* general path */
1871 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1872 baseInternalFormat,
1873 baseFormat,
1874 srcWidth, srcHeight, srcDepth,
1875 srcFormat, srcType, srcAddr,
1876 srcPacking);
1877 const GLchan *src = tempImage;
1878 GLint img, row, col;
1879 if (!tempImage)
1880 return GL_FALSE;
1881 for (img = 0; img < srcDepth; img++) {
1882 GLubyte *dstRow = (GLubyte *) dstAddr
1883 + dstImageOffsets[dstZoffset + img] * texelBytes
1884 + dstYoffset * dstRowStride
1885 + dstXoffset * texelBytes;
1886 for (row = 0; row < srcHeight; row++) {
1887 GLushort *dstUS = (GLushort *) dstRow;
1888 if (dstFormat == MESA_FORMAT_ARGB4444) {
1889 for (col = 0; col < srcWidth; col++) {
1890 dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]),
1891 CHAN_TO_UBYTE(src[RCOMP]),
1892 CHAN_TO_UBYTE(src[GCOMP]),
1893 CHAN_TO_UBYTE(src[BCOMP]) );
1894 src += 4;
1895 }
1896 }
1897 else {
1898 for (col = 0; col < srcWidth; col++) {
1899 dstUS[col] = PACK_COLOR_4444_REV( CHAN_TO_UBYTE(src[ACOMP]),
1900 CHAN_TO_UBYTE(src[RCOMP]),
1901 CHAN_TO_UBYTE(src[GCOMP]),
1902 CHAN_TO_UBYTE(src[BCOMP]) );
1903 src += 4;
1904 }
1905 }
1906 dstRow += dstRowStride;
1907 }
1908 }
1909 free((void *) tempImage);
1910 }
1911 return GL_TRUE;
1912 }
1913
1914 static GLboolean
1915 _mesa_texstore_rgba5551(TEXSTORE_PARAMS)
1916 {
1917 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1918 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1919
1920 ASSERT(dstFormat == MESA_FORMAT_RGBA5551);
1921 ASSERT(texelBytes == 2);
1922
1923 if (!ctx->_ImageTransferState &&
1924 !srcPacking->SwapBytes &&
1925 dstFormat == MESA_FORMAT_RGBA5551 &&
1926 baseInternalFormat == GL_RGBA &&
1927 srcFormat == GL_RGBA &&
1928 srcType == GL_UNSIGNED_SHORT_5_5_5_1) {
1929 /* simple memcpy path */
1930 memcpy_texture(ctx, dims,
1931 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1932 dstRowStride,
1933 dstImageOffsets,
1934 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1935 srcAddr, srcPacking);
1936 }
1937 else {
1938 /* general path */
1939 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1940 baseInternalFormat,
1941 baseFormat,
1942 srcWidth, srcHeight, srcDepth,
1943 srcFormat, srcType, srcAddr,
1944 srcPacking);
1945 const GLchan *src =tempImage;
1946 GLint img, row, col;
1947 if (!tempImage)
1948 return GL_FALSE;
1949 for (img = 0; img < srcDepth; img++) {
1950 GLubyte *dstRow = (GLubyte *) dstAddr
1951 + dstImageOffsets[dstZoffset + img] * texelBytes
1952 + dstYoffset * dstRowStride
1953 + dstXoffset * texelBytes;
1954 for (row = 0; row < srcHeight; row++) {
1955 GLushort *dstUS = (GLushort *) dstRow;
1956 for (col = 0; col < srcWidth; col++) {
1957 dstUS[col] = PACK_COLOR_5551( CHAN_TO_UBYTE(src[RCOMP]),
1958 CHAN_TO_UBYTE(src[GCOMP]),
1959 CHAN_TO_UBYTE(src[BCOMP]),
1960 CHAN_TO_UBYTE(src[ACOMP]) );
1961 src += 4;
1962 }
1963 dstRow += dstRowStride;
1964 }
1965 }
1966 free((void *) tempImage);
1967 }
1968 return GL_TRUE;
1969 }
1970
1971 static GLboolean
1972 _mesa_texstore_argb1555(TEXSTORE_PARAMS)
1973 {
1974 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1975 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1976
1977 ASSERT(dstFormat == MESA_FORMAT_ARGB1555 ||
1978 dstFormat == MESA_FORMAT_ARGB1555_REV);
1979 ASSERT(texelBytes == 2);
1980
1981 if (!ctx->_ImageTransferState &&
1982 !srcPacking->SwapBytes &&
1983 dstFormat == MESA_FORMAT_ARGB1555 &&
1984 baseInternalFormat == GL_RGBA &&
1985 srcFormat == GL_BGRA &&
1986 srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
1987 /* simple memcpy path */
1988 memcpy_texture(ctx, dims,
1989 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1990 dstRowStride,
1991 dstImageOffsets,
1992 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1993 srcAddr, srcPacking);
1994 }
1995 else {
1996 /* general path */
1997 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1998 baseInternalFormat,
1999 baseFormat,
2000 srcWidth, srcHeight, srcDepth,
2001 srcFormat, srcType, srcAddr,
2002 srcPacking);
2003 const GLchan *src =tempImage;
2004 GLint img, row, col;
2005 if (!tempImage)
2006 return GL_FALSE;
2007 for (img = 0; img < srcDepth; img++) {
2008 GLubyte *dstRow = (GLubyte *) dstAddr
2009 + dstImageOffsets[dstZoffset + img] * texelBytes
2010 + dstYoffset * dstRowStride
2011 + dstXoffset * texelBytes;
2012 for (row = 0; row < srcHeight; row++) {
2013 GLushort *dstUS = (GLushort *) dstRow;
2014 if (dstFormat == MESA_FORMAT_ARGB1555) {
2015 for (col = 0; col < srcWidth; col++) {
2016 dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]),
2017 CHAN_TO_UBYTE(src[RCOMP]),
2018 CHAN_TO_UBYTE(src[GCOMP]),
2019 CHAN_TO_UBYTE(src[BCOMP]) );
2020 src += 4;
2021 }
2022 }
2023 else {
2024 for (col = 0; col < srcWidth; col++) {
2025 dstUS[col] = PACK_COLOR_1555_REV( CHAN_TO_UBYTE(src[ACOMP]),
2026 CHAN_TO_UBYTE(src[RCOMP]),
2027 CHAN_TO_UBYTE(src[GCOMP]),
2028 CHAN_TO_UBYTE(src[BCOMP]) );
2029 src += 4;
2030 }
2031 }
2032 dstRow += dstRowStride;
2033 }
2034 }
2035 free((void *) tempImage);
2036 }
2037 return GL_TRUE;
2038 }
2039
2040
2041 static GLboolean
2042 _mesa_texstore_argb2101010(TEXSTORE_PARAMS)
2043 {
2044 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2045 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2046
2047 ASSERT(dstFormat == MESA_FORMAT_ARGB2101010);
2048 ASSERT(texelBytes == 4);
2049
2050 if (!ctx->_ImageTransferState &&
2051 !srcPacking->SwapBytes &&
2052 dstFormat == MESA_FORMAT_ARGB2101010 &&
2053 srcFormat == GL_BGRA &&
2054 srcType == GL_UNSIGNED_INT_2_10_10_10_REV &&
2055 baseInternalFormat == GL_RGBA) {
2056 /* simple memcpy path */
2057 memcpy_texture(ctx, dims,
2058 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2059 dstRowStride,
2060 dstImageOffsets,
2061 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2062 srcAddr, srcPacking);
2063 }
2064 else {
2065 /* general path */
2066 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2067 baseInternalFormat,
2068 baseFormat,
2069 srcWidth, srcHeight, srcDepth,
2070 srcFormat, srcType, srcAddr,
2071 srcPacking);
2072 const GLchan *src = tempImage;
2073 GLint img, row, col;
2074 if (!tempImage)
2075 return GL_FALSE;
2076 for (img = 0; img < srcDepth; img++) {
2077 GLubyte *dstRow = (GLubyte *) dstAddr
2078 + dstImageOffsets[dstZoffset + img] * texelBytes
2079 + dstYoffset * dstRowStride
2080 + dstXoffset * texelBytes;
2081 if (baseInternalFormat == GL_RGBA) {
2082 for (row = 0; row < srcHeight; row++) {
2083 GLuint *dstUS = (GLuint *) dstRow;
2084 for (col = 0; col < srcWidth; col++) {
2085 dstUS[col] = PACK_COLOR_2101010( CHAN_TO_UBYTE(src[ACOMP]),
2086 CHAN_TO_UBYTE(src[RCOMP]),
2087 CHAN_TO_UBYTE(src[GCOMP]),
2088 CHAN_TO_UBYTE(src[BCOMP]) );
2089 src += 4;
2090 }
2091 dstRow += dstRowStride;
2092 }
2093 } else if (baseInternalFormat == GL_RGB) {
2094 for (row = 0; row < srcHeight; row++) {
2095 GLuint *dstUS = (GLuint *) dstRow;
2096 for (col = 0; col < srcWidth; col++) {
2097 dstUS[col] = PACK_COLOR_2101010( 0xff,
2098 CHAN_TO_UBYTE(src[RCOMP]),
2099 CHAN_TO_UBYTE(src[GCOMP]),
2100 CHAN_TO_UBYTE(src[BCOMP]) );
2101 src += 4;
2102 }
2103 dstRow += dstRowStride;
2104 }
2105 } else {
2106 ASSERT(0);
2107 }
2108 }
2109 free((void *) tempImage);
2110 }
2111 return GL_TRUE;
2112 }
2113
2114
2115 /**
2116 * Do texstore for 2-channel, 8-bit/channel, unsigned normalized formats.
2117 */
2118 static GLboolean
2119 _mesa_texstore_unorm88(TEXSTORE_PARAMS)
2120 {
2121 const GLboolean littleEndian = _mesa_little_endian();
2122 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2123 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2124
2125 ASSERT(dstFormat == MESA_FORMAT_AL88 ||
2126 dstFormat == MESA_FORMAT_AL88_REV ||
2127 dstFormat == MESA_FORMAT_RG88 ||
2128 dstFormat == MESA_FORMAT_RG88_REV);
2129 ASSERT(texelBytes == 2);
2130
2131 if (!ctx->_ImageTransferState &&
2132 !srcPacking->SwapBytes &&
2133 (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_RG88) &&
2134 baseInternalFormat == srcFormat &&
2135 srcType == GL_UNSIGNED_BYTE &&
2136 littleEndian) {
2137 /* simple memcpy path */
2138 memcpy_texture(ctx, dims,
2139 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2140 dstRowStride,
2141 dstImageOffsets,
2142 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2143 srcAddr, srcPacking);
2144 }
2145 else if (!ctx->_ImageTransferState &&
2146 littleEndian &&
2147 srcType == GL_UNSIGNED_BYTE &&
2148 can_swizzle(baseInternalFormat) &&
2149 can_swizzle(srcFormat)) {
2150 GLubyte dstmap[4];
2151
2152 /* dstmap - how to swizzle from RGBA to dst format:
2153 */
2154 if (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_AL88_REV) {
2155 if ((littleEndian && dstFormat == MESA_FORMAT_AL88) ||
2156 (!littleEndian && dstFormat == MESA_FORMAT_AL88_REV)) {
2157 dstmap[0] = 0;
2158 dstmap[1] = 3;
2159 }
2160 else {
2161 dstmap[0] = 3;
2162 dstmap[1] = 0;
2163 }
2164 }
2165 else {
2166 if ((littleEndian && dstFormat == MESA_FORMAT_RG88) ||
2167 (!littleEndian && dstFormat == MESA_FORMAT_RG88_REV)) {
2168 dstmap[0] = 0;
2169 dstmap[1] = 1;
2170 }
2171 else {
2172 dstmap[0] = 1;
2173 dstmap[1] = 0;
2174 }
2175 }
2176 dstmap[2] = ZERO; /* ? */
2177 dstmap[3] = ONE; /* ? */
2178
2179 _mesa_swizzle_ubyte_image(ctx, dims,
2180 srcFormat,
2181 srcType,
2182 baseInternalFormat,
2183 dstmap, 2,
2184 dstAddr, dstXoffset, dstYoffset, dstZoffset,
2185 dstRowStride, dstImageOffsets,
2186 srcWidth, srcHeight, srcDepth, srcAddr,
2187 srcPacking);
2188 }
2189 else {
2190 /* general path */
2191 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2192 baseInternalFormat,
2193 baseFormat,
2194 srcWidth, srcHeight, srcDepth,
2195 srcFormat, srcType, srcAddr,
2196 srcPacking);
2197 const GLchan *src = tempImage;
2198 GLint img, row, col;
2199 if (!tempImage)
2200 return GL_FALSE;
2201 for (img = 0; img < srcDepth; img++) {
2202 GLubyte *dstRow = (GLubyte *) dstAddr
2203 + dstImageOffsets[dstZoffset + img] * texelBytes
2204 + dstYoffset * dstRowStride
2205 + dstXoffset * texelBytes;
2206 for (row = 0; row < srcHeight; row++) {
2207 GLushort *dstUS = (GLushort *) dstRow;
2208 if (dstFormat == MESA_FORMAT_AL88 ||
2209 dstFormat == MESA_FORMAT_RG88) {
2210 for (col = 0; col < srcWidth; col++) {
2211 /* src[0] is luminance, src[1] is alpha */
2212 dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]),
2213 CHAN_TO_UBYTE(src[0]) );
2214 src += 2;
2215 }
2216 }
2217 else {
2218 for (col = 0; col < srcWidth; col++) {
2219 /* src[0] is luminance, src[1] is alpha */
2220 dstUS[col] = PACK_COLOR_88_REV( CHAN_TO_UBYTE(src[1]),
2221 CHAN_TO_UBYTE(src[0]) );
2222 src += 2;
2223 }
2224 }
2225 dstRow += dstRowStride;
2226 }
2227 }
2228 free((void *) tempImage);
2229 }
2230 return GL_TRUE;
2231 }
2232
2233
2234 /**
2235 * Do texstore for 2-channel, 16-bit/channel, unsigned normalized formats.
2236 */
2237 static GLboolean
2238 _mesa_texstore_unorm1616(TEXSTORE_PARAMS)
2239 {
2240 const GLboolean littleEndian = _mesa_little_endian();
2241 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2242 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2243
2244 ASSERT(dstFormat == MESA_FORMAT_AL1616 ||
2245 dstFormat == MESA_FORMAT_AL1616_REV ||
2246 dstFormat == MESA_FORMAT_RG1616 ||
2247 dstFormat == MESA_FORMAT_RG1616_REV);
2248 ASSERT(texelBytes == 4);
2249
2250 if (!ctx->_ImageTransferState &&
2251 !srcPacking->SwapBytes &&
2252 (dstFormat == MESA_FORMAT_AL1616 || dstFormat == MESA_FORMAT_RG1616) &&
2253 baseInternalFormat == srcFormat &&
2254 srcType == GL_UNSIGNED_SHORT &&
2255 littleEndian) {
2256 /* simple memcpy path */
2257 memcpy_texture(ctx, dims,
2258 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2259 dstRowStride,
2260 dstImageOffsets,
2261 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2262 srcAddr, srcPacking);
2263 }
2264 else {
2265 /* general path */
2266 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
2267 baseInternalFormat,
2268 baseFormat,
2269 srcWidth, srcHeight, srcDepth,
2270 srcFormat, srcType, srcAddr,
2271 srcPacking,
2272 ctx->_ImageTransferState);
2273 const GLfloat *src = tempImage;
2274 GLint img, row, col;
2275 if (!tempImage)
2276 return GL_FALSE;
2277 for (img = 0; img < srcDepth; img++) {
2278 GLubyte *dstRow = (GLubyte *) dstAddr
2279 + dstImageOffsets[dstZoffset + img] * texelBytes
2280 + dstYoffset * dstRowStride
2281 + dstXoffset * texelBytes;
2282 for (row = 0; row < srcHeight; row++) {
2283 GLuint *dstUI = (GLuint *) dstRow;
2284 if (dstFormat == MESA_FORMAT_AL1616 ||
2285 dstFormat == MESA_FORMAT_RG1616) {
2286 for (col = 0; col < srcWidth; col++) {
2287 GLushort l, a;
2288
2289 UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);
2290 UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);
2291 dstUI[col] = PACK_COLOR_1616(a, l);
2292 src += 2;
2293 }
2294 }
2295 else {
2296 for (col = 0; col < srcWidth; col++) {
2297 GLushort l, a;
2298
2299 UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);
2300 UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);
2301 dstUI[col] = PACK_COLOR_1616_REV(a, l);
2302 src += 2;
2303 }
2304 }
2305 dstRow += dstRowStride;
2306 }
2307 }
2308 free((void *) tempImage);
2309 }
2310 return GL_TRUE;
2311 }
2312
2313
2314 static GLboolean
2315 _mesa_texstore_r16(TEXSTORE_PARAMS)
2316 {
2317 const GLboolean littleEndian = _mesa_little_endian();
2318 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2319 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2320
2321 ASSERT(dstFormat == MESA_FORMAT_R16);
2322 ASSERT(texelBytes == 2);
2323
2324 if (!ctx->_ImageTransferState &&
2325 !srcPacking->SwapBytes &&
2326 dstFormat == MESA_FORMAT_R16 &&
2327 baseInternalFormat == GL_RED &&
2328 srcFormat == GL_RED &&
2329 srcType == GL_UNSIGNED_SHORT &&
2330 littleEndian) {
2331 /* simple memcpy path */
2332 memcpy_texture(ctx, dims,
2333 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2334 dstRowStride,
2335 dstImageOffsets,
2336 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2337 srcAddr, srcPacking);
2338 }
2339 else {
2340 /* general path */
2341 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
2342 baseInternalFormat,
2343 baseFormat,
2344 srcWidth, srcHeight, srcDepth,
2345 srcFormat, srcType, srcAddr,
2346 srcPacking,
2347 ctx->_ImageTransferState);
2348 const GLfloat *src = tempImage;
2349 GLint img, row, col;
2350 if (!tempImage)
2351 return GL_FALSE;
2352 for (img = 0; img < srcDepth; img++) {
2353 GLubyte *dstRow = (GLubyte *) dstAddr
2354 + dstImageOffsets[dstZoffset + img] * texelBytes
2355 + dstYoffset * dstRowStride
2356 + dstXoffset * texelBytes;
2357 for (row = 0; row < srcHeight; row++) {
2358 GLushort *dstUS = (GLushort *) dstRow;
2359 for (col = 0; col < srcWidth; col++) {
2360 GLushort r;
2361
2362 UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);
2363 dstUS[col] = r;
2364 src += 1;
2365 }
2366 dstRow += dstRowStride;
2367 }
2368 }
2369 free((void *) tempImage);
2370 }
2371 return GL_TRUE;
2372 }
2373
2374
2375 static GLboolean
2376 _mesa_texstore_rgba_16(TEXSTORE_PARAMS)
2377 {
2378 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2379 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2380
2381 ASSERT(dstFormat == MESA_FORMAT_RGBA_16);
2382 ASSERT(texelBytes == 8);
2383
2384 if (!ctx->_ImageTransferState &&
2385 !srcPacking->SwapBytes &&
2386 baseInternalFormat == GL_RGBA &&
2387 srcFormat == GL_RGBA &&
2388 srcType == GL_UNSIGNED_SHORT) {
2389 /* simple memcpy path */
2390 memcpy_texture(ctx, dims,
2391 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2392 dstRowStride,
2393 dstImageOffsets,
2394 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2395 srcAddr, srcPacking);
2396 }
2397 else {
2398 /* general path */
2399 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
2400 baseInternalFormat,
2401 baseFormat,
2402 srcWidth, srcHeight, srcDepth,
2403 srcFormat, srcType, srcAddr,
2404 srcPacking,
2405 ctx->_ImageTransferState);
2406 const GLfloat *src = tempImage;
2407 GLint img, row, col;
2408 if (!tempImage)
2409 return GL_FALSE;
2410 for (img = 0; img < srcDepth; img++) {
2411 GLubyte *dstRow = (GLubyte *) dstAddr
2412 + dstImageOffsets[dstZoffset + img] * texelBytes
2413 + dstYoffset * dstRowStride
2414 + dstXoffset * texelBytes;
2415 for (row = 0; row < srcHeight; row++) {
2416 GLushort *dstUS = (GLushort *) dstRow;
2417 for (col = 0; col < srcWidth; col++) {
2418 GLushort r, g, b, a;
2419
2420 UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);
2421 UNCLAMPED_FLOAT_TO_USHORT(g, src[1]);
2422 UNCLAMPED_FLOAT_TO_USHORT(b, src[2]);
2423 UNCLAMPED_FLOAT_TO_USHORT(a, src[3]);
2424 dstUS[col*4+0] = r;
2425 dstUS[col*4+1] = g;
2426 dstUS[col*4+2] = b;
2427 dstUS[col*4+3] = a;
2428 src += 4;
2429 }
2430 dstRow += dstRowStride;
2431 }
2432 }
2433 free((void *) tempImage);
2434 }
2435 return GL_TRUE;
2436 }
2437
2438
2439 static GLboolean
2440 _mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)
2441 {
2442 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2443 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2444
2445 ASSERT(dstFormat == MESA_FORMAT_SIGNED_R_16 ||
2446 dstFormat == MESA_FORMAT_SIGNED_RG_16 ||
2447 dstFormat == MESA_FORMAT_SIGNED_RGB_16 ||
2448 dstFormat == MESA_FORMAT_SIGNED_RGBA_16);
2449
2450 if (!ctx->_ImageTransferState &&
2451 !srcPacking->SwapBytes &&
2452 baseInternalFormat == GL_RGBA &&
2453 dstFormat == MESA_FORMAT_SIGNED_RGBA_16 &&
2454 srcFormat == GL_RGBA &&
2455 srcType == GL_SHORT) {
2456 /* simple memcpy path */
2457 memcpy_texture(ctx, dims,
2458 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2459 dstRowStride,
2460 dstImageOffsets,
2461 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2462 srcAddr, srcPacking);
2463 }
2464 else {
2465 /* general path */
2466 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
2467 baseInternalFormat,
2468 baseFormat,
2469 srcWidth, srcHeight, srcDepth,
2470 srcFormat, srcType, srcAddr,
2471 srcPacking,
2472 ctx->_ImageTransferState);
2473 const GLfloat *src = tempImage;
2474 const GLuint comps = _mesa_get_format_bytes(dstFormat) / 2;
2475 GLint img, row, col;
2476
2477 if (!tempImage)
2478 return GL_FALSE;
2479
2480 /* Note: tempImage is always float[4] / RGBA. We convert to 1, 2,
2481 * 3 or 4 components/pixel here.
2482 */
2483 for (img = 0; img < srcDepth; img++) {
2484 GLubyte *dstRow = (GLubyte *) dstAddr
2485 + dstImageOffsets[dstZoffset + img] * texelBytes
2486 + dstYoffset * dstRowStride
2487 + dstXoffset * texelBytes;
2488 for (row = 0; row < srcHeight; row++) {
2489 GLshort *dstRowS = (GLshort *) dstRow;
2490 for (col = 0; col < srcWidth; col++) {
2491 GLuint c;
2492 for (c = 0; c < comps; c++) {
2493 GLshort p;
2494 UNCLAMPED_FLOAT_TO_SHORT(p, src[col * 4 + c]);
2495 dstRowS[col * comps + c] = p;
2496 }
2497 }
2498 dstRow += dstRowStride;
2499 src += 4 * srcWidth;
2500 }
2501 }
2502 free((void *) tempImage);
2503 }
2504 return GL_TRUE;
2505 }
2506
2507
2508 static GLboolean
2509 _mesa_texstore_rgb332(TEXSTORE_PARAMS)
2510 {
2511 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2512 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2513
2514 ASSERT(dstFormat == MESA_FORMAT_RGB332);
2515 ASSERT(texelBytes == 1);
2516
2517 if (!ctx->_ImageTransferState &&
2518 !srcPacking->SwapBytes &&
2519 baseInternalFormat == GL_RGB &&
2520 srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE_3_3_2) {
2521 /* simple memcpy path */
2522 memcpy_texture(ctx, dims,
2523 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2524 dstRowStride,
2525 dstImageOffsets,
2526 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2527 srcAddr, srcPacking);
2528 }
2529 else {
2530 /* general path */
2531 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2532 baseInternalFormat,
2533 baseFormat,
2534 srcWidth, srcHeight, srcDepth,
2535 srcFormat, srcType, srcAddr,
2536 srcPacking);
2537 const GLchan *src = tempImage;
2538 GLint img, row, col;
2539 if (!tempImage)
2540 return GL_FALSE;
2541 for (img = 0; img < srcDepth; img++) {
2542 GLubyte *dstRow = (GLubyte *) dstAddr
2543 + dstImageOffsets[dstZoffset + img] * texelBytes
2544 + dstYoffset * dstRowStride
2545 + dstXoffset * texelBytes;
2546 for (row = 0; row < srcHeight; row++) {
2547 for (col = 0; col < srcWidth; col++) {
2548 dstRow[col] = PACK_COLOR_332( CHAN_TO_UBYTE(src[RCOMP]),
2549 CHAN_TO_UBYTE(src[GCOMP]),
2550 CHAN_TO_UBYTE(src[BCOMP]) );
2551 src += 3;
2552 }
2553 dstRow += dstRowStride;
2554 }
2555 }
2556 free((void *) tempImage);
2557 }
2558 return GL_TRUE;
2559 }
2560
2561
2562 /**
2563 * Texstore for _mesa_texformat_a8, _mesa_texformat_l8, _mesa_texformat_i8.
2564 */
2565 static GLboolean
2566 _mesa_texstore_a8(TEXSTORE_PARAMS)
2567 {
2568 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2569 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2570
2571 ASSERT(dstFormat == MESA_FORMAT_A8 ||
2572 dstFormat == MESA_FORMAT_L8 ||
2573 dstFormat == MESA_FORMAT_I8 ||
2574 dstFormat == MESA_FORMAT_R8);
2575 ASSERT(texelBytes == 1);
2576
2577 if (!ctx->_ImageTransferState &&
2578 !srcPacking->SwapBytes &&
2579 baseInternalFormat == srcFormat &&
2580 srcType == GL_UNSIGNED_BYTE) {
2581 /* simple memcpy path */
2582 memcpy_texture(ctx, dims,
2583 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2584 dstRowStride,
2585 dstImageOffsets,
2586 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2587 srcAddr, srcPacking);
2588 }
2589 else if (!ctx->_ImageTransferState &&
2590 srcType == GL_UNSIGNED_BYTE &&
2591 can_swizzle(baseInternalFormat) &&
2592 can_swizzle(srcFormat)) {
2593 GLubyte dstmap[4];
2594
2595 /* dstmap - how to swizzle from RGBA to dst format:
2596 */
2597 if (dstFormat == MESA_FORMAT_A8) {
2598 dstmap[0] = 3;
2599 }
2600 else {
2601 dstmap[0] = 0;
2602 }
2603 dstmap[1] = ZERO; /* ? */
2604 dstmap[2] = ZERO; /* ? */
2605 dstmap[3] = ONE; /* ? */
2606
2607 _mesa_swizzle_ubyte_image(ctx, dims,
2608 srcFormat,
2609 srcType,
2610 baseInternalFormat,
2611 dstmap, 1,
2612 dstAddr, dstXoffset, dstYoffset, dstZoffset,
2613 dstRowStride, dstImageOffsets,
2614 srcWidth, srcHeight, srcDepth, srcAddr,
2615 srcPacking);
2616 }
2617 else {
2618 /* general path */
2619 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2620 baseInternalFormat,
2621 baseFormat,
2622 srcWidth, srcHeight, srcDepth,
2623 srcFormat, srcType, srcAddr,
2624 srcPacking);
2625 const GLchan *src = tempImage;
2626 GLint img, row, col;
2627 if (!tempImage)
2628 return GL_FALSE;
2629 for (img = 0; img < srcDepth; img++) {
2630 GLubyte *dstRow = (GLubyte *) dstAddr
2631 + dstImageOffsets[dstZoffset + img] * texelBytes
2632 + dstYoffset * dstRowStride
2633 + dstXoffset * texelBytes;
2634 for (row = 0; row < srcHeight; row++) {
2635 for (col = 0; col < srcWidth; col++) {
2636 dstRow[col] = CHAN_TO_UBYTE(src[col]);
2637 }
2638 dstRow += dstRowStride;
2639 src += srcWidth;
2640 }
2641 }
2642 free((void *) tempImage);
2643 }
2644 return GL_TRUE;
2645 }
2646
2647
2648
2649 static GLboolean
2650 _mesa_texstore_ci8(TEXSTORE_PARAMS)
2651 {
2652 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2653
2654 (void) dims; (void) baseInternalFormat;
2655 ASSERT(dstFormat == MESA_FORMAT_CI8);
2656 ASSERT(texelBytes == 1);
2657 ASSERT(baseInternalFormat == GL_COLOR_INDEX);
2658
2659 if (!ctx->_ImageTransferState &&
2660 !srcPacking->SwapBytes &&
2661 srcFormat == GL_COLOR_INDEX &&
2662 srcType == GL_UNSIGNED_BYTE) {
2663 /* simple memcpy path */
2664 memcpy_texture(ctx, dims,
2665 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2666 dstRowStride,
2667 dstImageOffsets,
2668 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2669 srcAddr, srcPacking);
2670 }
2671 else {
2672 /* general path */
2673 GLint img, row;
2674 for (img = 0; img < srcDepth; img++) {
2675 GLubyte *dstRow = (GLubyte *) dstAddr
2676 + dstImageOffsets[dstZoffset + img] * texelBytes
2677 + dstYoffset * dstRowStride
2678 + dstXoffset * texelBytes;
2679 for (row = 0; row < srcHeight; row++) {
2680 const GLvoid *src = _mesa_image_address(dims, srcPacking,
2681 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
2682 _mesa_unpack_index_span(ctx, srcWidth, GL_UNSIGNED_BYTE, dstRow,
2683 srcType, src, srcPacking,
2684 ctx->_ImageTransferState);
2685 dstRow += dstRowStride;
2686 }
2687 }
2688 }
2689 return GL_TRUE;
2690 }
2691
2692
2693 /**
2694 * Texstore for _mesa_texformat_ycbcr or _mesa_texformat_ycbcr_REV.
2695 */
2696 static GLboolean
2697 _mesa_texstore_ycbcr(TEXSTORE_PARAMS)
2698 {
2699 const GLboolean littleEndian = _mesa_little_endian();
2700 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2701
2702 (void) ctx; (void) dims; (void) baseInternalFormat;
2703
2704 ASSERT((dstFormat == MESA_FORMAT_YCBCR) ||
2705 (dstFormat == MESA_FORMAT_YCBCR_REV));
2706 ASSERT(texelBytes == 2);
2707 ASSERT(ctx->Extensions.MESA_ycbcr_texture);
2708 ASSERT(srcFormat == GL_YCBCR_MESA);
2709 ASSERT((srcType == GL_UNSIGNED_SHORT_8_8_MESA) ||
2710 (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA));
2711 ASSERT(baseInternalFormat == GL_YCBCR_MESA);
2712
2713 /* always just memcpy since no pixel transfer ops apply */
2714 memcpy_texture(ctx, dims,
2715 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2716 dstRowStride,
2717 dstImageOffsets,
2718 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2719 srcAddr, srcPacking);
2720
2721 /* Check if we need byte swapping */
2722 /* XXX the logic here _might_ be wrong */
2723 if (srcPacking->SwapBytes ^
2724 (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA) ^
2725 (dstFormat == MESA_FORMAT_YCBCR_REV) ^
2726 !littleEndian) {
2727 GLint img, row;
2728 for (img = 0; img < srcDepth; img++) {
2729 GLubyte *dstRow = (GLubyte *) dstAddr
2730 + dstImageOffsets[dstZoffset + img] * texelBytes
2731 + dstYoffset * dstRowStride
2732 + dstXoffset * texelBytes;
2733 for (row = 0; row < srcHeight; row++) {
2734 _mesa_swap2((GLushort *) dstRow, srcWidth);
2735 dstRow += dstRowStride;
2736 }
2737 }
2738 }
2739 return GL_TRUE;
2740 }
2741
2742 static GLboolean
2743 _mesa_texstore_dudv8(TEXSTORE_PARAMS)
2744 {
2745 const GLboolean littleEndian = _mesa_little_endian();
2746 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2747
2748 ASSERT(dstFormat == MESA_FORMAT_DUDV8);
2749 ASSERT(texelBytes == 2);
2750 ASSERT(ctx->Extensions.ATI_envmap_bumpmap);
2751 ASSERT((srcFormat == GL_DU8DV8_ATI) ||
2752 (srcFormat == GL_DUDV_ATI));
2753 ASSERT(baseInternalFormat == GL_DUDV_ATI);
2754
2755 if (!srcPacking->SwapBytes && srcType == GL_BYTE &&
2756 littleEndian) {
2757 /* simple memcpy path */
2758 memcpy_texture(ctx, dims,
2759 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2760 dstRowStride,
2761 dstImageOffsets,
2762 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2763 srcAddr, srcPacking);
2764 }
2765 else if (srcType == GL_BYTE) {
2766 GLubyte dstmap[4];
2767
2768 /* dstmap - how to swizzle from RGBA to dst format:
2769 */
2770 if (littleEndian) {
2771 dstmap[0] = 0;
2772 dstmap[1] = 3;
2773 }
2774 else {
2775 dstmap[0] = 3;
2776 dstmap[1] = 0;
2777 }
2778 dstmap[2] = ZERO; /* ? */
2779 dstmap[3] = ONE; /* ? */
2780
2781 _mesa_swizzle_ubyte_image(ctx, dims,
2782 GL_LUMINANCE_ALPHA, /* hack */
2783 GL_UNSIGNED_BYTE, /* hack */
2784 GL_LUMINANCE_ALPHA, /* hack */
2785 dstmap, 2,
2786 dstAddr, dstXoffset, dstYoffset, dstZoffset,
2787 dstRowStride, dstImageOffsets,
2788 srcWidth, srcHeight, srcDepth, srcAddr,
2789 srcPacking);
2790 }
2791 else {
2792 /* general path - note this is defined for 2d textures only */
2793 const GLint components = _mesa_components_in_format(baseInternalFormat);
2794 const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth,
2795 srcFormat, srcType);
2796 GLbyte *tempImage, *dst, *src;
2797 GLint row;
2798
2799 tempImage = (GLbyte *) malloc(srcWidth * srcHeight * srcDepth
2800 * components * sizeof(GLbyte));
2801 if (!tempImage)
2802 return GL_FALSE;
2803
2804 src = (GLbyte *) _mesa_image_address(dims, srcPacking, srcAddr,
2805 srcWidth, srcHeight,
2806 srcFormat, srcType,
2807 0, 0, 0);
2808
2809 dst = tempImage;
2810 for (row = 0; row < srcHeight; row++) {
2811 _mesa_unpack_dudv_span_byte(ctx, srcWidth, baseInternalFormat,
2812 dst, srcFormat, srcType, src,
2813 srcPacking, 0);
2814 dst += srcWidth * components;
2815 src += srcStride;
2816 }
2817
2818 src = tempImage;
2819 dst = (GLbyte *) dstAddr
2820 + dstYoffset * dstRowStride
2821 + dstXoffset * texelBytes;
2822 for (row = 0; row < srcHeight; row++) {
2823 memcpy(dst, src, srcWidth * texelBytes);
2824 dst += dstRowStride;
2825 src += srcWidth * texelBytes;
2826 }
2827 free((void *) tempImage);
2828 }
2829 return GL_TRUE;
2830 }
2831
2832
2833 /**
2834 * Store a texture in MESA_FORMAT_SIGNED_R8 format.
2835 */
2836 static GLboolean
2837 _mesa_texstore_signed_r8(TEXSTORE_PARAMS)
2838 {
2839 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2840 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2841
2842 ASSERT(dstFormat == MESA_FORMAT_SIGNED_R8);
2843 ASSERT(texelBytes == 1);
2844
2845 /* XXX look at adding optimized paths */
2846 {
2847 /* general path */
2848 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
2849 baseInternalFormat,
2850 baseFormat,
2851 srcWidth, srcHeight, srcDepth,
2852 srcFormat, srcType, srcAddr,
2853 srcPacking,
2854 ctx->_ImageTransferState);
2855 const GLfloat *srcRow = tempImage;
2856 GLint img, row, col;
2857 if (!tempImage)
2858 return GL_FALSE;
2859 for (img = 0; img < srcDepth; img++) {
2860 GLubyte *dstRow = (GLubyte *) dstAddr
2861 + dstImageOffsets[dstZoffset + img] * texelBytes
2862 + dstYoffset * dstRowStride
2863 + dstXoffset * texelBytes;
2864 for (row = 0; row < srcHeight; row++) {
2865 GLubyte *dstB = (GLubyte *) dstRow;
2866 for (col = 0; col < srcWidth; col++) {
2867 dstB[col] = FLOAT_TO_BYTE_TEX(srcRow[RCOMP]);
2868 }
2869 dstRow += dstRowStride;
2870 }
2871 }
2872 free((void *) tempImage);
2873 }
2874 return GL_TRUE;
2875 }
2876
2877
2878 /**
2879 * Store a texture in MESA_FORMAT_SIGNED_RG88 format.
2880 */
2881 static GLboolean
2882 _mesa_texstore_signed_rg88(TEXSTORE_PARAMS)
2883 {
2884 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2885 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2886
2887 ASSERT(dstFormat == MESA_FORMAT_SIGNED_RG88);
2888 ASSERT(texelBytes == 1);
2889
2890 /* XXX look at adding optimized paths */
2891 {
2892 /* general path */
2893 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
2894 baseInternalFormat,
2895 baseFormat,
2896 srcWidth, srcHeight, srcDepth,
2897 srcFormat, srcType, srcAddr,
2898 srcPacking,
2899 ctx->_ImageTransferState);
2900 const GLfloat *srcRow = tempImage;
2901 GLint img, row, col;
2902 if (!tempImage)
2903 return GL_FALSE;
2904 for (img = 0; img < srcDepth; img++) {
2905 GLubyte *dstRow = (GLubyte *) dstAddr
2906 + dstImageOffsets[dstZoffset + img] * texelBytes
2907 + dstYoffset * dstRowStride
2908 + dstXoffset * texelBytes;
2909 for (row = 0; row < srcHeight; row++) {
2910 GLushort *dstUS = (GLushort *) dstRow;
2911 for (col = 0; col < srcWidth; col++) {
2912 dstUS[col] = PACK_COLOR_88(FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
2913 FLOAT_TO_BYTE_TEX(srcRow[GCOMP]));
2914 }
2915 dstRow += dstRowStride;
2916 }
2917 }
2918 free((void *) tempImage);
2919 }
2920 return GL_TRUE;
2921 }
2922
2923
2924 /**
2925 * Store a texture in MESA_FORMAT_SIGNED_RGBX8888.
2926 */
2927 static GLboolean
2928 _mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)
2929 {
2930 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2931 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2932
2933 ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBX8888);
2934 ASSERT(texelBytes == 4);
2935
2936 {
2937 /* general path */
2938 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
2939 baseInternalFormat,
2940 baseFormat,
2941 srcWidth, srcHeight, srcDepth,
2942 srcFormat, srcType, srcAddr,
2943 srcPacking,
2944 ctx->_ImageTransferState);
2945 const GLfloat *srcRow = tempImage;
2946 GLint img, row, col;
2947 if (!tempImage)
2948 return GL_FALSE;
2949 for (img = 0; img < srcDepth; img++) {
2950 GLubyte *dstRow = (GLubyte *) dstAddr
2951 + dstImageOffsets[dstZoffset + img] * texelBytes
2952 + dstYoffset * dstRowStride
2953 + dstXoffset * texelBytes;
2954 for (row = 0; row < srcHeight; row++) {
2955 GLuint *dstUI = (GLuint *) dstRow;
2956 for (col = 0; col < srcWidth; col++) {
2957 dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
2958 FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),
2959 FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),
2960 0xff );
2961 srcRow += 4;
2962 }
2963 dstRow += dstRowStride;
2964 }
2965 }
2966 free((void *) tempImage);
2967 }
2968 return GL_TRUE;
2969 }
2970
2971
2972
2973 /**
2974 * Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or
2975 * MESA_FORMAT_SIGNED_RGBA8888_REV
2976 */
2977 static GLboolean
2978 _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
2979 {
2980 const GLboolean littleEndian = _mesa_little_endian();
2981 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2982 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2983
2984 ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBA8888 ||
2985 dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV);
2986 ASSERT(texelBytes == 4);
2987
2988 if (!ctx->_ImageTransferState &&
2989 !srcPacking->SwapBytes &&
2990 dstFormat == MESA_FORMAT_SIGNED_RGBA8888 &&
2991 baseInternalFormat == GL_RGBA &&
2992 ((srcFormat == GL_RGBA && srcType == GL_BYTE && !littleEndian) ||
2993 (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && littleEndian))) {
2994 /* simple memcpy path */
2995 memcpy_texture(ctx, dims,
2996 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2997 dstRowStride,
2998 dstImageOffsets,
2999 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3000 srcAddr, srcPacking);
3001 }
3002 else if (!ctx->_ImageTransferState &&
3003 !srcPacking->SwapBytes &&
3004 dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV &&
3005 baseInternalFormat == GL_RGBA &&
3006 ((srcFormat == GL_RGBA && srcType == GL_BYTE && littleEndian) ||
3007 (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && !littleEndian))) {
3008 /* simple memcpy path */
3009 memcpy_texture(ctx, dims,
3010 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3011 dstRowStride,
3012 dstImageOffsets,
3013 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3014 srcAddr, srcPacking);
3015 }
3016 else if (!ctx->_ImageTransferState &&
3017 (srcType == GL_BYTE) &&
3018 can_swizzle(baseInternalFormat) &&
3019 can_swizzle(srcFormat)) {
3020
3021 GLubyte dstmap[4];
3022
3023 /* dstmap - how to swizzle from RGBA to dst format:
3024 */
3025 if ((littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888) ||
3026 (!littleEndian && dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV)) {
3027 dstmap[3] = 0;
3028 dstmap[2] = 1;
3029 dstmap[1] = 2;
3030 dstmap[0] = 3;
3031 }
3032 else {
3033 dstmap[3] = 3;
3034 dstmap[2] = 2;
3035 dstmap[1] = 1;
3036 dstmap[0] = 0;
3037 }
3038
3039 _mesa_swizzle_ubyte_image(ctx, dims,
3040 srcFormat,
3041 srcType,
3042 baseInternalFormat,
3043 dstmap, 4,
3044 dstAddr, dstXoffset, dstYoffset, dstZoffset,
3045 dstRowStride, dstImageOffsets,
3046 srcWidth, srcHeight, srcDepth, srcAddr,
3047 srcPacking);
3048 }
3049 else {
3050 /* general path */
3051 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
3052 baseInternalFormat,
3053 baseFormat,
3054 srcWidth, srcHeight, srcDepth,
3055 srcFormat, srcType, srcAddr,
3056 srcPacking,
3057 ctx->_ImageTransferState);
3058 const GLfloat *srcRow = tempImage;
3059 GLint img, row, col;
3060 if (!tempImage)
3061 return GL_FALSE;
3062 for (img = 0; img < srcDepth; img++) {
3063 GLubyte *dstRow = (GLubyte *) dstAddr
3064 + dstImageOffsets[dstZoffset + img] * texelBytes
3065 + dstYoffset * dstRowStride
3066 + dstXoffset * texelBytes;
3067 for (row = 0; row < srcHeight; row++) {
3068 GLuint *dstUI = (GLuint *) dstRow;
3069 if (dstFormat == MESA_FORMAT_SIGNED_RGBA8888) {
3070 for (col = 0; col < srcWidth; col++) {
3071 dstUI[col] = PACK_COLOR_8888( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
3072 FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),
3073 FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),
3074 FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) );
3075 srcRow += 4;
3076 }
3077 }
3078 else {
3079 for (col = 0; col < srcWidth; col++) {
3080 dstUI[col] = PACK_COLOR_8888_REV( FLOAT_TO_BYTE_TEX(srcRow[RCOMP]),
3081 FLOAT_TO_BYTE_TEX(srcRow[GCOMP]),
3082 FLOAT_TO_BYTE_TEX(srcRow[BCOMP]),
3083 FLOAT_TO_BYTE_TEX(srcRow[ACOMP]) );
3084 srcRow += 4;
3085 }
3086 }
3087 dstRow += dstRowStride;
3088 }
3089 }
3090 free((void *) tempImage);
3091 }
3092 return GL_TRUE;
3093 }
3094
3095
3096 /**
3097 * Store a combined depth/stencil texture image.
3098 */
3099 static GLboolean
3100 _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
3101 {
3102 const GLuint depthScale = 0xffffff;
3103 const GLint srcRowStride
3104 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
3105 / sizeof(GLuint);
3106 GLint img, row;
3107
3108 ASSERT(dstFormat == MESA_FORMAT_Z24_S8);
3109 ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
3110 ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
3111
3112 if (srcFormat != GL_DEPTH_COMPONENT && ctx->Pixel.DepthScale == 1.0f &&
3113 ctx->Pixel.DepthBias == 0.0f &&
3114 !srcPacking->SwapBytes) {
3115 /* simple path */
3116 memcpy_texture(ctx, dims,
3117 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3118 dstRowStride,
3119 dstImageOffsets,
3120 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3121 srcAddr, srcPacking);
3122 }
3123 else if (srcFormat == GL_DEPTH_COMPONENT) {
3124 /* In case we only upload depth we need to preserve the stencil */
3125 for (img = 0; img < srcDepth; img++) {
3126 GLuint *dstRow = (GLuint *) dstAddr
3127 + dstImageOffsets[dstZoffset + img]
3128 + dstYoffset * dstRowStride / sizeof(GLuint)
3129 + dstXoffset;
3130 const GLuint *src
3131 = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
3132 srcWidth, srcHeight,
3133 srcFormat, srcType,
3134 img, 0, 0);
3135 for (row = 0; row < srcHeight; row++) {
3136 GLuint depth[MAX_WIDTH];
3137 GLubyte stencil[MAX_WIDTH];
3138 GLint i;
3139 GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
3140
3141 if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */
3142 keepstencil = GL_TRUE;
3143 }
3144 else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */
3145 keepdepth = GL_TRUE;
3146 }
3147
3148 if (keepdepth == GL_FALSE)
3149 /* the 24 depth bits will be in the low position: */
3150 _mesa_unpack_depth_span(ctx, srcWidth,
3151 GL_UNSIGNED_INT, /* dst type */
3152 keepstencil ? depth : dstRow, /* dst addr */
3153 depthScale,
3154 srcType, src, srcPacking);
3155
3156 if (keepstencil == GL_FALSE)
3157 /* get the 8-bit stencil values */
3158 _mesa_unpack_stencil_span(ctx, srcWidth,
3159 GL_UNSIGNED_BYTE, /* dst type */
3160 stencil, /* dst addr */
3161 srcType, src, srcPacking,
3162 ctx->_ImageTransferState);
3163
3164 for (i = 0; i < srcWidth; i++) {
3165 if (keepstencil)
3166 dstRow[i] = depth[i] << 8 | (dstRow[i] & 0x000000FF);
3167 else
3168 dstRow[i] = (dstRow[i] & 0xFFFFFF00) | (stencil[i] & 0xFF);
3169 }
3170
3171 src += srcRowStride;
3172 dstRow += dstRowStride / sizeof(GLuint);
3173 }
3174 }
3175 }
3176 return GL_TRUE;
3177 }
3178
3179
3180 /**
3181 * Store a combined depth/stencil texture image.
3182 */
3183 static GLboolean
3184 _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
3185 {
3186 const GLuint depthScale = 0xffffff;
3187 const GLint srcRowStride
3188 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
3189 / sizeof(GLuint);
3190 GLint img, row;
3191
3192 ASSERT(dstFormat == MESA_FORMAT_S8_Z24);
3193 ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT ||
3194 srcFormat == GL_DEPTH_COMPONENT ||
3195 srcFormat == GL_STENCIL_INDEX);
3196 ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT ||
3197 srcType == GL_UNSIGNED_INT_24_8_EXT);
3198
3199 for (img = 0; img < srcDepth; img++) {
3200 GLuint *dstRow = (GLuint *) dstAddr
3201 + dstImageOffsets[dstZoffset + img]
3202 + dstYoffset * dstRowStride / sizeof(GLuint)
3203 + dstXoffset;
3204 const GLuint *src
3205 = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
3206 srcWidth, srcHeight,
3207 srcFormat, srcType,
3208 img, 0, 0);
3209 for (row = 0; row < srcHeight; row++) {
3210 GLuint depth[MAX_WIDTH];
3211 GLubyte stencil[MAX_WIDTH];
3212 GLint i;
3213 GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
3214
3215 if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */
3216 keepstencil = GL_TRUE;
3217 }
3218 else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */
3219 keepdepth = GL_TRUE;
3220 }
3221
3222 if (keepdepth == GL_FALSE)
3223 /* the 24 depth bits will be in the low position: */
3224 _mesa_unpack_depth_span(ctx, srcWidth,
3225 GL_UNSIGNED_INT, /* dst type */
3226 keepstencil ? depth : dstRow, /* dst addr */
3227 depthScale,
3228 srcType, src, srcPacking);
3229
3230 if (keepstencil == GL_FALSE)
3231 /* get the 8-bit stencil values */
3232 _mesa_unpack_stencil_span(ctx, srcWidth,
3233 GL_UNSIGNED_BYTE, /* dst type */
3234 stencil, /* dst addr */
3235 srcType, src, srcPacking,
3236 ctx->_ImageTransferState);
3237
3238 /* merge stencil values into depth values */
3239 for (i = 0; i < srcWidth; i++) {
3240 if (keepstencil)
3241 dstRow[i] = depth[i] | (dstRow[i] & 0xFF000000);
3242 else
3243 dstRow[i] = (dstRow[i] & 0xFFFFFF) | (stencil[i] << 24);
3244
3245 }
3246 src += srcRowStride;
3247 dstRow += dstRowStride / sizeof(GLuint);
3248 }
3249 }
3250 return GL_TRUE;
3251 }
3252
3253
3254 /**
3255 * Store simple 8-bit/value stencil texture data.
3256 */
3257 static GLboolean
3258 _mesa_texstore_s8(TEXSTORE_PARAMS)
3259 {
3260 ASSERT(dstFormat == MESA_FORMAT_S8);
3261 ASSERT(srcFormat == GL_STENCIL_INDEX);
3262
3263 if (!ctx->_ImageTransferState &&
3264 !srcPacking->SwapBytes &&
3265 baseInternalFormat == srcFormat &&
3266 srcType == GL_UNSIGNED_BYTE) {
3267 /* simple memcpy path */
3268 memcpy_texture(ctx, dims,
3269 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3270 dstRowStride,
3271 dstImageOffsets,
3272 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3273 srcAddr, srcPacking);
3274 }
3275 else {
3276 const GLint srcRowStride
3277 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
3278 / sizeof(GLuint);
3279 GLint img, row;
3280
3281 for (img = 0; img < srcDepth; img++) {
3282 GLubyte *dstRow = (GLubyte *) dstAddr
3283 + dstImageOffsets[dstZoffset + img]
3284 + dstYoffset * dstRowStride / sizeof(GLuint)
3285 + dstXoffset;
3286 const GLuint *src
3287 = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
3288 srcWidth, srcHeight,
3289 srcFormat, srcType,
3290 img, 0, 0);
3291 for (row = 0; row < srcHeight; row++) {
3292 GLubyte stencil[MAX_WIDTH];
3293 GLint i;
3294
3295 /* get the 8-bit stencil values */
3296 _mesa_unpack_stencil_span(ctx, srcWidth,
3297 GL_UNSIGNED_BYTE, /* dst type */
3298 stencil, /* dst addr */
3299 srcType, src, srcPacking,
3300 ctx->_ImageTransferState);
3301 /* merge stencil values into depth values */
3302 for (i = 0; i < srcWidth; i++)
3303 dstRow[i] = stencil[i];
3304
3305 src += srcRowStride;
3306 dstRow += dstRowStride / sizeof(GLubyte);
3307 }
3308 }
3309
3310 }
3311
3312 return GL_TRUE;
3313 }
3314
3315
3316 /**
3317 * Store an image in any of the formats:
3318 * _mesa_texformat_rgba_float32
3319 * _mesa_texformat_rgb_float32
3320 * _mesa_texformat_alpha_float32
3321 * _mesa_texformat_luminance_float32
3322 * _mesa_texformat_luminance_alpha_float32
3323 * _mesa_texformat_intensity_float32
3324 */
3325 static GLboolean
3326 _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
3327 {
3328 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3329 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3330 const GLint components = _mesa_components_in_format(baseFormat);
3331
3332 ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT32 ||
3333 dstFormat == MESA_FORMAT_RGB_FLOAT32 ||
3334 dstFormat == MESA_FORMAT_ALPHA_FLOAT32 ||
3335 dstFormat == MESA_FORMAT_LUMINANCE_FLOAT32 ||
3336 dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 ||
3337 dstFormat == MESA_FORMAT_INTENSITY_FLOAT32);
3338 ASSERT(baseInternalFormat == GL_RGBA ||
3339 baseInternalFormat == GL_RGB ||
3340 baseInternalFormat == GL_ALPHA ||
3341 baseInternalFormat == GL_LUMINANCE ||
3342 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3343 baseInternalFormat == GL_INTENSITY);
3344 ASSERT(texelBytes == components * sizeof(GLfloat));
3345
3346 if (!ctx->_ImageTransferState &&
3347 !srcPacking->SwapBytes &&
3348 baseInternalFormat == srcFormat &&
3349 srcType == GL_FLOAT) {
3350 /* simple memcpy path */
3351 memcpy_texture(ctx, dims,
3352 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3353 dstRowStride,
3354 dstImageOffsets,
3355 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3356 srcAddr, srcPacking);
3357 }
3358 else {
3359 /* general path */
3360 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
3361 baseInternalFormat,
3362 baseFormat,
3363 srcWidth, srcHeight, srcDepth,
3364 srcFormat, srcType, srcAddr,
3365 srcPacking,
3366 ctx->_ImageTransferState);
3367 const GLfloat *srcRow = tempImage;
3368 GLint bytesPerRow;
3369 GLint img, row;
3370 if (!tempImage)
3371 return GL_FALSE;
3372 bytesPerRow = srcWidth * components * sizeof(GLfloat);
3373 for (img = 0; img < srcDepth; img++) {
3374 GLubyte *dstRow = (GLubyte *) dstAddr
3375 + dstImageOffsets[dstZoffset + img] * texelBytes
3376 + dstYoffset * dstRowStride
3377 + dstXoffset * texelBytes;
3378 for (row = 0; row < srcHeight; row++) {
3379 memcpy(dstRow, srcRow, bytesPerRow);
3380 dstRow += dstRowStride;
3381 srcRow += srcWidth * components;
3382 }
3383 }
3384
3385 free((void *) tempImage);
3386 }
3387 return GL_TRUE;
3388 }
3389
3390
3391
3392 /**
3393 * As above, but store 16-bit floats.
3394 */
3395 static GLboolean
3396 _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
3397 {
3398 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3399 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3400 const GLint components = _mesa_components_in_format(baseFormat);
3401
3402 ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT16 ||
3403 dstFormat == MESA_FORMAT_RGB_FLOAT16 ||
3404 dstFormat == MESA_FORMAT_ALPHA_FLOAT16 ||
3405 dstFormat == MESA_FORMAT_LUMINANCE_FLOAT16 ||
3406 dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 ||
3407 dstFormat == MESA_FORMAT_INTENSITY_FLOAT16);
3408 ASSERT(baseInternalFormat == GL_RGBA ||
3409 baseInternalFormat == GL_RGB ||
3410 baseInternalFormat == GL_ALPHA ||
3411 baseInternalFormat == GL_LUMINANCE ||
3412 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3413 baseInternalFormat == GL_INTENSITY);
3414 ASSERT(texelBytes == components * sizeof(GLhalfARB));
3415
3416 if (!ctx->_ImageTransferState &&
3417 !srcPacking->SwapBytes &&
3418 baseInternalFormat == srcFormat &&
3419 srcType == GL_HALF_FLOAT_ARB) {
3420 /* simple memcpy path */
3421 memcpy_texture(ctx, dims,
3422 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3423 dstRowStride,
3424 dstImageOffsets,
3425 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3426 srcAddr, srcPacking);
3427 }
3428 else {
3429 /* general path */
3430 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
3431 baseInternalFormat,
3432 baseFormat,
3433 srcWidth, srcHeight, srcDepth,
3434 srcFormat, srcType, srcAddr,
3435 srcPacking,
3436 ctx->_ImageTransferState);
3437 const GLfloat *src = tempImage;
3438 GLint img, row;
3439 if (!tempImage)
3440 return GL_FALSE;
3441 for (img = 0; img < srcDepth; img++) {
3442 GLubyte *dstRow = (GLubyte *) dstAddr
3443 + dstImageOffsets[dstZoffset + img] * texelBytes
3444 + dstYoffset * dstRowStride
3445 + dstXoffset * texelBytes;
3446 for (row = 0; row < srcHeight; row++) {
3447 GLhalfARB *dstTexel = (GLhalfARB *) dstRow;
3448 GLint i;
3449 for (i = 0; i < srcWidth * components; i++) {
3450 dstTexel[i] = _mesa_float_to_half(src[i]);
3451 }
3452 dstRow += dstRowStride;
3453 src += srcWidth * components;
3454 }
3455 }
3456
3457 free((void *) tempImage);
3458 }
3459 return GL_TRUE;
3460 }
3461
3462
3463 /* non-normalized, signed int8 */
3464 static GLboolean
3465 _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
3466 {
3467 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3468 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3469 const GLint components = _mesa_components_in_format(baseFormat);
3470
3471 ASSERT(dstFormat == MESA_FORMAT_RGBA_INT8);
3472 ASSERT(baseInternalFormat == GL_RGBA ||
3473 baseInternalFormat == GL_RGB ||
3474 baseInternalFormat == GL_ALPHA ||
3475 baseInternalFormat == GL_LUMINANCE ||
3476 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3477 baseInternalFormat == GL_INTENSITY);
3478 ASSERT(texelBytes == components * sizeof(GLbyte));
3479
3480 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3481 * to integer formats.
3482 */
3483 if (!srcPacking->SwapBytes &&
3484 baseInternalFormat == srcFormat &&
3485 srcType == GL_BYTE) {
3486 /* simple memcpy path */
3487 memcpy_texture(ctx, dims,
3488 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3489 dstRowStride,
3490 dstImageOffsets,
3491 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3492 srcAddr, srcPacking);
3493 }
3494 else {
3495 /* general path */
3496 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
3497 baseInternalFormat,
3498 baseFormat,
3499 srcWidth, srcHeight, srcDepth,
3500 srcFormat, srcType, srcAddr,
3501 srcPacking, 0x0);
3502 const GLfloat *src = tempImage;
3503 GLint img, row;
3504 if (!tempImage)
3505 return GL_FALSE;
3506 for (img = 0; img < srcDepth; img++) {
3507 GLubyte *dstRow = (GLubyte *) dstAddr
3508 + dstImageOffsets[dstZoffset + img] * texelBytes
3509 + dstYoffset * dstRowStride
3510 + dstXoffset * texelBytes;
3511 for (row = 0; row < srcHeight; row++) {
3512 GLbyte *dstTexel = (GLbyte *) dstRow;
3513 GLint i;
3514 for (i = 0; i < srcWidth * components; i++) {
3515 dstTexel[i] = (GLbyte) src[i];
3516 }
3517 dstRow += dstRowStride;
3518 src += srcWidth * components;
3519 }
3520 }
3521
3522 free((void *) tempImage);
3523 }
3524 return GL_TRUE;
3525 }
3526
3527
3528 /* non-normalized, signed int16 */
3529 static GLboolean
3530 _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
3531 {
3532 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3533 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3534 const GLint components = _mesa_components_in_format(baseFormat);
3535
3536 ASSERT(dstFormat == MESA_FORMAT_RGBA_INT16);
3537 ASSERT(baseInternalFormat == GL_RGBA ||
3538 baseInternalFormat == GL_RGB ||
3539 baseInternalFormat == GL_ALPHA ||
3540 baseInternalFormat == GL_LUMINANCE ||
3541 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3542 baseInternalFormat == GL_INTENSITY);
3543 ASSERT(texelBytes == components * sizeof(GLshort));
3544
3545 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3546 * to integer formats.
3547 */
3548 if (!srcPacking->SwapBytes &&
3549 baseInternalFormat == srcFormat &&
3550 srcType == GL_SHORT) {
3551 /* simple memcpy path */
3552 memcpy_texture(ctx, dims,
3553 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3554 dstRowStride,
3555 dstImageOffsets,
3556 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3557 srcAddr, srcPacking);
3558 }
3559 else {
3560 /* general path */
3561 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
3562 baseInternalFormat,
3563 baseFormat,
3564 srcWidth, srcHeight, srcDepth,
3565 srcFormat, srcType, srcAddr,
3566 srcPacking, 0x0);
3567 const GLfloat *src = tempImage;
3568 GLint img, row;
3569 if (!tempImage)
3570 return GL_FALSE;
3571 for (img = 0; img < srcDepth; img++) {
3572 GLubyte *dstRow = (GLubyte *) dstAddr
3573 + dstImageOffsets[dstZoffset + img] * texelBytes
3574 + dstYoffset * dstRowStride
3575 + dstXoffset * texelBytes;
3576 for (row = 0; row < srcHeight; row++) {
3577 GLshort *dstTexel = (GLshort *) dstRow;
3578 GLint i;
3579 for (i = 0; i < srcWidth * components; i++) {
3580 dstTexel[i] = (GLint) src[i];
3581 }
3582 dstRow += dstRowStride;
3583 src += srcWidth * components;
3584 }
3585 }
3586
3587 free((void *) tempImage);
3588 }
3589 return GL_TRUE;
3590 }
3591
3592
3593 /* non-normalized, signed int32 */
3594 static GLboolean
3595 _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
3596 {
3597 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3598 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3599 const GLint components = _mesa_components_in_format(baseFormat);
3600
3601 ASSERT(dstFormat == MESA_FORMAT_RGBA_INT32);
3602 ASSERT(baseInternalFormat == GL_RGBA ||
3603 baseInternalFormat == GL_RGB ||
3604 baseInternalFormat == GL_ALPHA ||
3605 baseInternalFormat == GL_LUMINANCE ||
3606 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3607 baseInternalFormat == GL_INTENSITY);
3608 ASSERT(texelBytes == components * sizeof(GLint));
3609
3610 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3611 * to integer formats.
3612 */
3613 if (!srcPacking->SwapBytes &&
3614 baseInternalFormat == srcFormat &&
3615 srcType == GL_INT) {
3616 /* simple memcpy path */
3617 memcpy_texture(ctx, dims,
3618 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3619 dstRowStride,
3620 dstImageOffsets,
3621 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3622 srcAddr, srcPacking);
3623 }
3624 else {
3625 /* general path */
3626 const GLfloat *tempImage = make_temp_float_image(ctx, dims,
3627 baseInternalFormat,
3628 baseFormat,
3629 srcWidth, srcHeight, srcDepth,
3630 srcFormat, srcType, srcAddr,
3631 srcPacking, 0x0);
3632 const GLfloat *src = tempImage;
3633 GLint img, row;
3634 if (!tempImage)
3635 return GL_FALSE;
3636 for (img = 0; img < srcDepth; img++) {
3637 GLubyte *dstRow = (GLubyte *) dstAddr
3638 + dstImageOffsets[dstZoffset + img] * texelBytes
3639 + dstYoffset * dstRowStride
3640 + dstXoffset * texelBytes;
3641 for (row = 0; row < srcHeight; row++) {
3642 GLint *dstTexel = (GLint *) dstRow;
3643 GLint i;
3644 for (i = 0; i < srcWidth * components; i++) {
3645 dstTexel[i] = (GLint) src[i];
3646 }
3647 dstRow += dstRowStride;
3648 src += srcWidth * components;
3649 }
3650 }
3651
3652 free((void *) tempImage);
3653 }
3654 return GL_TRUE;
3655 }
3656
3657
3658 /* non-normalized, unsigned int8 */
3659 static GLboolean
3660 _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
3661 {
3662 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3663 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3664 const GLint components = _mesa_components_in_format(baseFormat);
3665
3666 ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT8);
3667 ASSERT(baseInternalFormat == GL_RGBA ||
3668 baseInternalFormat == GL_RGB ||
3669 baseInternalFormat == GL_ALPHA ||
3670 baseInternalFormat == GL_LUMINANCE ||
3671 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3672 baseInternalFormat == GL_INTENSITY);
3673 ASSERT(texelBytes == components * sizeof(GLubyte));
3674
3675 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3676 * to integer formats.
3677 */
3678 if (!srcPacking->SwapBytes &&
3679 baseInternalFormat == srcFormat &&
3680 srcType == GL_UNSIGNED_BYTE) {
3681 /* simple memcpy path */
3682 memcpy_texture(ctx, dims,
3683 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3684 dstRowStride,
3685 dstImageOffsets,
3686 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3687 srcAddr, srcPacking);
3688 }
3689 else {
3690 /* general path */
3691 const GLuint *tempImage =
3692 make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
3693 srcWidth, srcHeight, srcDepth,
3694 srcFormat, srcType, srcAddr, srcPacking);
3695 const GLuint *src = tempImage;
3696 GLint img, row;
3697 if (!tempImage)
3698 return GL_FALSE;
3699 for (img = 0; img < srcDepth; img++) {
3700 GLubyte *dstRow = (GLubyte *) dstAddr
3701 + dstImageOffsets[dstZoffset + img] * texelBytes
3702 + dstYoffset * dstRowStride
3703 + dstXoffset * texelBytes;
3704 for (row = 0; row < srcHeight; row++) {
3705 GLubyte *dstTexel = (GLubyte *) dstRow;
3706 GLint i;
3707 for (i = 0; i < srcWidth * components; i++) {
3708 dstTexel[i] = (GLubyte) CLAMP(src[i], 0, 0xff);
3709 }
3710 dstRow += dstRowStride;
3711 src += srcWidth * components;
3712 }
3713 }
3714
3715 free((void *) tempImage);
3716 }
3717 return GL_TRUE;
3718 }
3719
3720
3721 /* non-normalized, unsigned int16 */
3722 static GLboolean
3723 _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
3724 {
3725 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3726 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3727 const GLint components = _mesa_components_in_format(baseFormat);
3728
3729 ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT16);
3730 ASSERT(baseInternalFormat == GL_RGBA ||
3731 baseInternalFormat == GL_RGB ||
3732 baseInternalFormat == GL_ALPHA ||
3733 baseInternalFormat == GL_LUMINANCE ||
3734 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3735 baseInternalFormat == GL_INTENSITY);
3736 ASSERT(texelBytes == components * sizeof(GLushort));
3737
3738 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3739 * to integer formats.
3740 */
3741 if (!srcPacking->SwapBytes &&
3742 baseInternalFormat == srcFormat &&
3743 srcType == GL_UNSIGNED_SHORT) {
3744 /* simple memcpy path */
3745 memcpy_texture(ctx, dims,
3746 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3747 dstRowStride,
3748 dstImageOffsets,
3749 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3750 srcAddr, srcPacking);
3751 }
3752 else {
3753 /* general path */
3754 const GLuint *tempImage =
3755 make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
3756 srcWidth, srcHeight, srcDepth,
3757 srcFormat, srcType, srcAddr, srcPacking);
3758 const GLuint *src = tempImage;
3759 GLint img, row;
3760 if (!tempImage)
3761 return GL_FALSE;
3762 for (img = 0; img < srcDepth; img++) {
3763 GLubyte *dstRow = (GLubyte *) dstAddr
3764 + dstImageOffsets[dstZoffset + img] * texelBytes
3765 + dstYoffset * dstRowStride
3766 + dstXoffset * texelBytes;
3767 for (row = 0; row < srcHeight; row++) {
3768 GLushort *dstTexel = (GLushort *) dstRow;
3769 GLint i;
3770 for (i = 0; i < srcWidth * components; i++) {
3771 dstTexel[i] = (GLushort) CLAMP(src[i], 0, 0xffff);
3772 }
3773 dstRow += dstRowStride;
3774 src += srcWidth * components;
3775 }
3776 }
3777
3778 free((void *) tempImage);
3779 }
3780 return GL_TRUE;
3781 }
3782
3783
3784 /* non-normalized, unsigned int32 */
3785 static GLboolean
3786 _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
3787 {
3788 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3789 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3790 const GLint components = _mesa_components_in_format(baseFormat);
3791
3792 ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT32);
3793 ASSERT(baseInternalFormat == GL_RGBA ||
3794 baseInternalFormat == GL_RGB ||
3795 baseInternalFormat == GL_ALPHA ||
3796 baseInternalFormat == GL_LUMINANCE ||
3797 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3798 baseInternalFormat == GL_INTENSITY);
3799 ASSERT(texelBytes == components * sizeof(GLuint));
3800
3801 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3802 * to integer formats.
3803 */
3804 if (!srcPacking->SwapBytes &&
3805 baseInternalFormat == srcFormat &&
3806 srcType == GL_UNSIGNED_INT) {
3807 /* simple memcpy path */
3808 memcpy_texture(ctx, dims,
3809 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3810 dstRowStride,
3811 dstImageOffsets,
3812 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3813 srcAddr, srcPacking);
3814 }
3815 else {
3816 /* general path */
3817 const GLuint *tempImage =
3818 make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
3819 srcWidth, srcHeight, srcDepth,
3820 srcFormat, srcType, srcAddr, srcPacking);
3821 const GLuint *src = tempImage;
3822 GLint img, row;
3823 if (!tempImage)
3824 return GL_FALSE;
3825 for (img = 0; img < srcDepth; img++) {
3826 GLubyte *dstRow = (GLubyte *) dstAddr
3827 + dstImageOffsets[dstZoffset + img] * texelBytes
3828 + dstYoffset * dstRowStride
3829 + dstXoffset * texelBytes;
3830 for (row = 0; row < srcHeight; row++) {
3831 GLuint *dstTexel = (GLuint *) dstRow;
3832 GLint i;
3833 for (i = 0; i < srcWidth * components; i++) {
3834 dstTexel[i] = src[i];
3835 }
3836 dstRow += dstRowStride;
3837 src += srcWidth * components;
3838 }
3839 }
3840
3841 free((void *) tempImage);
3842 }
3843 return GL_TRUE;
3844 }
3845
3846
3847
3848
3849 #if FEATURE_EXT_texture_sRGB
3850 static GLboolean
3851 _mesa_texstore_srgb8(TEXSTORE_PARAMS)
3852 {
3853 gl_format newDstFormat;
3854 GLboolean k;
3855
3856 ASSERT(dstFormat == MESA_FORMAT_SRGB8);
3857
3858 /* reuse normal rgb texstore code */
3859 newDstFormat = MESA_FORMAT_RGB888;
3860
3861 k = _mesa_texstore_rgb888(ctx, dims, baseInternalFormat,
3862 newDstFormat, dstAddr,
3863 dstXoffset, dstYoffset, dstZoffset,
3864 dstRowStride, dstImageOffsets,
3865 srcWidth, srcHeight, srcDepth,
3866 srcFormat, srcType,
3867 srcAddr, srcPacking);
3868 return k;
3869 }
3870
3871
3872 static GLboolean
3873 _mesa_texstore_srgba8(TEXSTORE_PARAMS)
3874 {
3875 gl_format newDstFormat;
3876 GLboolean k;
3877
3878 ASSERT(dstFormat == MESA_FORMAT_SRGBA8);
3879
3880 /* reuse normal rgba texstore code */
3881 newDstFormat = MESA_FORMAT_RGBA8888;
3882 k = _mesa_texstore_rgba8888(ctx, dims, baseInternalFormat,
3883 newDstFormat, dstAddr,
3884 dstXoffset, dstYoffset, dstZoffset,
3885 dstRowStride, dstImageOffsets,
3886 srcWidth, srcHeight, srcDepth,
3887 srcFormat, srcType,
3888 srcAddr, srcPacking);
3889 return k;
3890 }
3891
3892
3893 static GLboolean
3894 _mesa_texstore_sargb8(TEXSTORE_PARAMS)
3895 {
3896 gl_format newDstFormat;
3897 GLboolean k;
3898
3899 ASSERT(dstFormat == MESA_FORMAT_SARGB8);
3900
3901 /* reuse normal rgba texstore code */
3902 newDstFormat = MESA_FORMAT_ARGB8888;
3903
3904 k = _mesa_texstore_argb8888(ctx, dims, baseInternalFormat,
3905 newDstFormat, dstAddr,
3906 dstXoffset, dstYoffset, dstZoffset,
3907 dstRowStride, dstImageOffsets,
3908 srcWidth, srcHeight, srcDepth,
3909 srcFormat, srcType,
3910 srcAddr, srcPacking);
3911 return k;
3912 }
3913
3914
3915 static GLboolean
3916 _mesa_texstore_sl8(TEXSTORE_PARAMS)
3917 {
3918 gl_format newDstFormat;
3919 GLboolean k;
3920
3921 ASSERT(dstFormat == MESA_FORMAT_SL8);
3922
3923 newDstFormat = MESA_FORMAT_L8;
3924
3925 /* _mesa_textore_a8 handles luminance8 too */
3926 k = _mesa_texstore_a8(ctx, dims, baseInternalFormat,
3927 newDstFormat, dstAddr,
3928 dstXoffset, dstYoffset, dstZoffset,
3929 dstRowStride, dstImageOffsets,
3930 srcWidth, srcHeight, srcDepth,
3931 srcFormat, srcType,
3932 srcAddr, srcPacking);
3933 return k;
3934 }
3935
3936
3937 static GLboolean
3938 _mesa_texstore_sla8(TEXSTORE_PARAMS)
3939 {
3940 gl_format newDstFormat;
3941 GLboolean k;
3942
3943 ASSERT(dstFormat == MESA_FORMAT_SLA8);
3944
3945 /* reuse normal luminance/alpha texstore code */
3946 newDstFormat = MESA_FORMAT_AL88;
3947
3948 k = _mesa_texstore_unorm88(ctx, dims, baseInternalFormat,
3949 newDstFormat, dstAddr,
3950 dstXoffset, dstYoffset, dstZoffset,
3951 dstRowStride, dstImageOffsets,
3952 srcWidth, srcHeight, srcDepth,
3953 srcFormat, srcType,
3954 srcAddr, srcPacking);
3955 return k;
3956 }
3957
3958 #else
3959
3960 /* these are used only in texstore_funcs[] below */
3961 #define _mesa_texstore_srgb8 NULL
3962 #define _mesa_texstore_srgba8 NULL
3963 #define _mesa_texstore_sargb8 NULL
3964 #define _mesa_texstore_sl8 NULL
3965 #define _mesa_texstore_sla8 NULL
3966
3967 #endif /* FEATURE_EXT_texture_sRGB */
3968
3969
3970
3971
3972 /**
3973 * Table mapping MESA_FORMAT_* to _mesa_texstore_*()
3974 * XXX this is somewhat temporary.
3975 */
3976 static const struct {
3977 gl_format Name;
3978 StoreTexImageFunc Store;
3979 }
3980 texstore_funcs[MESA_FORMAT_COUNT] =
3981 {
3982 { MESA_FORMAT_NONE, NULL },
3983 { MESA_FORMAT_RGBA8888, _mesa_texstore_rgba8888 },
3984 { MESA_FORMAT_RGBA8888_REV, _mesa_texstore_rgba8888 },
3985 { MESA_FORMAT_ARGB8888, _mesa_texstore_argb8888 },
3986 { MESA_FORMAT_ARGB8888_REV, _mesa_texstore_argb8888 },
3987 { MESA_FORMAT_XRGB8888, _mesa_texstore_argb8888 },
3988 { MESA_FORMAT_XRGB8888_REV, _mesa_texstore_argb8888 },
3989 { MESA_FORMAT_RGB888, _mesa_texstore_rgb888 },
3990 { MESA_FORMAT_BGR888, _mesa_texstore_bgr888 },
3991 { MESA_FORMAT_RGB565, _mesa_texstore_rgb565 },
3992 { MESA_FORMAT_RGB565_REV, _mesa_texstore_rgb565 },
3993 { MESA_FORMAT_ARGB4444, _mesa_texstore_argb4444 },
3994 { MESA_FORMAT_ARGB4444_REV, _mesa_texstore_argb4444 },
3995 { MESA_FORMAT_RGBA5551, _mesa_texstore_rgba5551 },
3996 { MESA_FORMAT_ARGB1555, _mesa_texstore_argb1555 },
3997 { MESA_FORMAT_ARGB1555_REV, _mesa_texstore_argb1555 },
3998 { MESA_FORMAT_AL88, _mesa_texstore_unorm88 },
3999 { MESA_FORMAT_AL88_REV, _mesa_texstore_unorm88 },
4000 { MESA_FORMAT_AL1616, _mesa_texstore_unorm1616 },
4001 { MESA_FORMAT_AL1616_REV, _mesa_texstore_unorm1616 },
4002 { MESA_FORMAT_RGB332, _mesa_texstore_rgb332 },
4003 { MESA_FORMAT_A8, _mesa_texstore_a8 },
4004 { MESA_FORMAT_L8, _mesa_texstore_a8 },
4005 { MESA_FORMAT_I8, _mesa_texstore_a8 },
4006 { MESA_FORMAT_CI8, _mesa_texstore_ci8 },
4007 { MESA_FORMAT_YCBCR, _mesa_texstore_ycbcr },
4008 { MESA_FORMAT_YCBCR_REV, _mesa_texstore_ycbcr },
4009 { MESA_FORMAT_R8, _mesa_texstore_a8 },
4010 { MESA_FORMAT_RG88, _mesa_texstore_unorm88 },
4011 { MESA_FORMAT_RG88_REV, _mesa_texstore_unorm88 },
4012 { MESA_FORMAT_R16, _mesa_texstore_r16 },
4013 { MESA_FORMAT_RG1616, _mesa_texstore_unorm1616 },
4014 { MESA_FORMAT_RG1616_REV, _mesa_texstore_unorm1616 },
4015 { MESA_FORMAT_ARGB2101010, _mesa_texstore_argb2101010 },
4016 { MESA_FORMAT_Z24_S8, _mesa_texstore_z24_s8 },
4017 { MESA_FORMAT_S8_Z24, _mesa_texstore_s8_z24 },
4018 { MESA_FORMAT_Z16, _mesa_texstore_z16 },
4019 { MESA_FORMAT_X8_Z24, _mesa_texstore_x8_z24 },
4020 { MESA_FORMAT_Z24_X8, _mesa_texstore_z24_x8 },
4021 { MESA_FORMAT_Z32, _mesa_texstore_z32 },
4022 { MESA_FORMAT_S8, _mesa_texstore_s8 },
4023 { MESA_FORMAT_SRGB8, _mesa_texstore_srgb8 },
4024 { MESA_FORMAT_SRGBA8, _mesa_texstore_srgba8 },
4025 { MESA_FORMAT_SARGB8, _mesa_texstore_sargb8 },
4026 { MESA_FORMAT_SL8, _mesa_texstore_sl8 },
4027 { MESA_FORMAT_SLA8, _mesa_texstore_sla8 },
4028 { MESA_FORMAT_SRGB_DXT1, _mesa_texstore_rgb_dxt1 },
4029 { MESA_FORMAT_SRGBA_DXT1, _mesa_texstore_rgba_dxt1 },
4030 { MESA_FORMAT_SRGBA_DXT3, _mesa_texstore_rgba_dxt3 },
4031 { MESA_FORMAT_SRGBA_DXT5, _mesa_texstore_rgba_dxt5 },
4032 { MESA_FORMAT_RGB_FXT1, _mesa_texstore_rgb_fxt1 },
4033 { MESA_FORMAT_RGBA_FXT1, _mesa_texstore_rgba_fxt1 },
4034 { MESA_FORMAT_RGB_DXT1, _mesa_texstore_rgb_dxt1 },
4035 { MESA_FORMAT_RGBA_DXT1, _mesa_texstore_rgba_dxt1 },
4036 { MESA_FORMAT_RGBA_DXT3, _mesa_texstore_rgba_dxt3 },
4037 { MESA_FORMAT_RGBA_DXT5, _mesa_texstore_rgba_dxt5 },
4038 { MESA_FORMAT_RGBA_FLOAT32, _mesa_texstore_rgba_float32 },
4039 { MESA_FORMAT_RGBA_FLOAT16, _mesa_texstore_rgba_float16 },
4040 { MESA_FORMAT_RGB_FLOAT32, _mesa_texstore_rgba_float32 },
4041 { MESA_FORMAT_RGB_FLOAT16, _mesa_texstore_rgba_float16 },
4042 { MESA_FORMAT_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },
4043 { MESA_FORMAT_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
4044 { MESA_FORMAT_LUMINANCE_FLOAT32, _mesa_texstore_rgba_float32 },
4045 { MESA_FORMAT_LUMINANCE_FLOAT16, _mesa_texstore_rgba_float16 },
4046 { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },
4047 { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
4048 { MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 },
4049 { MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 },
4050
4051 { MESA_FORMAT_RGBA_INT8, _mesa_texstore_rgba_int8 },
4052 { MESA_FORMAT_RGBA_INT16, _mesa_texstore_rgba_int16 },
4053 { MESA_FORMAT_RGBA_INT32, _mesa_texstore_rgba_int32 },
4054 { MESA_FORMAT_RGBA_UINT8, _mesa_texstore_rgba_uint8 },
4055 { MESA_FORMAT_RGBA_UINT16, _mesa_texstore_rgba_uint16 },
4056 { MESA_FORMAT_RGBA_UINT32, _mesa_texstore_rgba_uint32 },
4057
4058 { MESA_FORMAT_DUDV8, _mesa_texstore_dudv8 },
4059
4060 { MESA_FORMAT_SIGNED_R8, _mesa_texstore_signed_r8 },
4061 { MESA_FORMAT_SIGNED_RG88, _mesa_texstore_signed_rg88 },
4062 { MESA_FORMAT_SIGNED_RGBX8888, _mesa_texstore_signed_rgbx8888 },
4063
4064 { MESA_FORMAT_SIGNED_RGBA8888, _mesa_texstore_signed_rgba8888 },
4065 { MESA_FORMAT_SIGNED_RGBA8888_REV, _mesa_texstore_signed_rgba8888 },
4066
4067 { MESA_FORMAT_SIGNED_R_16, _mesa_texstore_signed_rgba_16 },
4068 { MESA_FORMAT_SIGNED_RG_16, _mesa_texstore_signed_rgba_16 },
4069 { MESA_FORMAT_SIGNED_RGB_16, _mesa_texstore_signed_rgba_16 },
4070 { MESA_FORMAT_SIGNED_RGBA_16, _mesa_texstore_signed_rgba_16 },
4071 { MESA_FORMAT_RGBA_16, _mesa_texstore_rgba_16 }
4072 };
4073
4074
4075 static GLboolean
4076 _mesa_texstore_null(TEXSTORE_PARAMS)
4077 {
4078 (void) ctx; (void) dims;
4079 (void) baseInternalFormat;
4080 (void) dstFormat;
4081 (void) dstAddr;
4082 (void) dstXoffset; (void) dstYoffset; (void) dstZoffset;
4083 (void) dstRowStride; (void) dstImageOffsets;
4084 (void) srcWidth; (void) srcHeight; (void) srcDepth;
4085 (void) srcFormat; (void) srcType;
4086 (void) srcAddr;
4087 (void) srcPacking;
4088
4089 /* should never happen */
4090 _mesa_problem(NULL, "_mesa_texstore_null() is called");
4091 return GL_FALSE;
4092 }
4093
4094
4095 /**
4096 * Return the StoreTexImageFunc pointer to store an image in the given format.
4097 */
4098 static StoreTexImageFunc
4099 _mesa_get_texstore_func(gl_format format)
4100 {
4101 #ifdef DEBUG
4102 GLuint i;
4103 for (i = 0; i < MESA_FORMAT_COUNT; i++) {
4104 ASSERT(texstore_funcs[i].Name == i);
4105 }
4106 #endif
4107 ASSERT(texstore_funcs[format].Name == format);
4108
4109 if (texstore_funcs[format].Store)
4110 return texstore_funcs[format].Store;
4111 else
4112 return _mesa_texstore_null;
4113 }
4114
4115
4116 /**
4117 * Store user data into texture memory.
4118 * Called via glTex[Sub]Image1/2/3D()
4119 */
4120 GLboolean
4121 _mesa_texstore(TEXSTORE_PARAMS)
4122 {
4123 StoreTexImageFunc storeImage;
4124 GLboolean success;
4125
4126 storeImage = _mesa_get_texstore_func(dstFormat);
4127
4128 success = storeImage(ctx, dims, baseInternalFormat,
4129 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
4130 dstRowStride, dstImageOffsets,
4131 srcWidth, srcHeight, srcDepth,
4132 srcFormat, srcType, srcAddr, srcPacking);
4133 return success;
4134 }
4135
4136
4137 /**
4138 * Check if an unpack PBO is active prior to fetching a texture image.
4139 * If so, do bounds checking and map the buffer into main memory.
4140 * Any errors detected will be recorded.
4141 * The caller _must_ call _mesa_unmap_teximage_pbo() too!
4142 */
4143 const GLvoid *
4144 _mesa_validate_pbo_teximage(struct gl_context *ctx, GLuint dimensions,
4145 GLsizei width, GLsizei height, GLsizei depth,
4146 GLenum format, GLenum type, const GLvoid *pixels,
4147 const struct gl_pixelstore_attrib *unpack,
4148 const char *funcName)
4149 {
4150 GLubyte *buf;
4151
4152 if (!_mesa_is_bufferobj(unpack->BufferObj)) {
4153 /* no PBO */
4154 return pixels;
4155 }
4156 if (!_mesa_validate_pbo_access(dimensions, unpack, width, height, depth,
4157 format, type, pixels)) {
4158 _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(invalid PBO access)");
4159 return NULL;
4160 }
4161
4162 buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
4163 GL_READ_ONLY_ARB, unpack->BufferObj);
4164 if (!buf) {
4165 _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(PBO is mapped)");
4166 return NULL;
4167 }
4168
4169 return ADD_POINTERS(buf, pixels);
4170 }
4171
4172
4173 /**
4174 * Check if an unpack PBO is active prior to fetching a compressed texture
4175 * image.
4176 * If so, do bounds checking and map the buffer into main memory.
4177 * Any errors detected will be recorded.
4178 * The caller _must_ call _mesa_unmap_teximage_pbo() too!
4179 */
4180 const GLvoid *
4181 _mesa_validate_pbo_compressed_teximage(struct gl_context *ctx,
4182 GLsizei imageSize, const GLvoid *pixels,
4183 const struct gl_pixelstore_attrib *packing,
4184 const char *funcName)
4185 {
4186 GLubyte *buf;
4187
4188 if (!_mesa_is_bufferobj(packing->BufferObj)) {
4189 /* not using a PBO - return pointer unchanged */
4190 return pixels;
4191 }
4192 if ((const GLubyte *) pixels + imageSize >
4193 ((const GLubyte *) 0) + packing->BufferObj->Size) {
4194 /* out of bounds read! */
4195 _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(invalid PBO access)");
4196 return NULL;
4197 }
4198
4199 buf = (GLubyte*) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
4200 GL_READ_ONLY_ARB, packing->BufferObj);
4201 if (!buf) {
4202 _mesa_error(ctx, GL_INVALID_OPERATION, funcName, "(PBO is mapped");
4203 return NULL;
4204 }
4205
4206 return ADD_POINTERS(buf, pixels);
4207 }
4208
4209
4210 /**
4211 * This function must be called after either of the validate_pbo_*_teximage()
4212 * functions. It unmaps the PBO buffer if it was mapped earlier.
4213 */
4214 void
4215 _mesa_unmap_teximage_pbo(struct gl_context *ctx,
4216 const struct gl_pixelstore_attrib *unpack)
4217 {
4218 if (_mesa_is_bufferobj(unpack->BufferObj)) {
4219 ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
4220 unpack->BufferObj);
4221 }
4222 }
4223
4224
4225 /** Return texture size in bytes */
4226 static GLuint
4227 texture_size(const struct gl_texture_image *texImage)
4228 {
4229 GLuint sz = _mesa_format_image_size(texImage->TexFormat, texImage->Width,
4230 texImage->Height, texImage->Depth);
4231 return sz;
4232 }
4233
4234
4235 /** Return row stride in bytes */
4236 static GLuint
4237 texture_row_stride(const struct gl_texture_image *texImage)
4238 {
4239 GLuint stride = _mesa_format_row_stride(texImage->TexFormat,
4240 texImage->Width);
4241 return stride;
4242 }
4243
4244
4245
4246 /**
4247 * This is the software fallback for Driver.TexImage1D()
4248 * and Driver.CopyTexImage1D().
4249 * \sa _mesa_store_teximage2d()
4250 */
4251 void
4252 _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
4253 GLint internalFormat,
4254 GLint width, GLint border,
4255 GLenum format, GLenum type, const GLvoid *pixels,
4256 const struct gl_pixelstore_attrib *packing,
4257 struct gl_texture_object *texObj,
4258 struct gl_texture_image *texImage)
4259 {
4260 GLuint sizeInBytes;
4261 (void) border;
4262
4263 /* allocate memory */
4264 sizeInBytes = texture_size(texImage);
4265 texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
4266 if (!texImage->Data) {
4267 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
4268 return;
4269 }
4270
4271 pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type,
4272 pixels, packing, "glTexImage1D");
4273 if (!pixels) {
4274 /* Note: we check for a NULL image pointer here, _after_ we allocated
4275 * memory for the texture. That's what the GL spec calls for.
4276 */
4277 return;
4278 }
4279 else {
4280 const GLint dstRowStride = 0;
4281 GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,
4282 texImage->TexFormat,
4283 texImage->Data,
4284 0, 0, 0, /* dstX/Y/Zoffset */
4285 dstRowStride,
4286 texImage->ImageOffsets,
4287 width, 1, 1,
4288 format, type, pixels, packing);
4289 if (!success) {
4290 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
4291 }
4292 }
4293
4294 _mesa_unmap_teximage_pbo(ctx, packing);
4295 }
4296
4297
4298 /**
4299 * This is the software fallback for Driver.TexImage2D()
4300 * and Driver.CopyTexImage2D().
4301 *
4302 * This function is oriented toward storing images in main memory, rather
4303 * than VRAM. Device driver's can easily plug in their own replacement.
4304 */
4305 void
4306 _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
4307 GLint internalFormat,
4308 GLint width, GLint height, GLint border,
4309 GLenum format, GLenum type, const void *pixels,
4310 const struct gl_pixelstore_attrib *packing,
4311 struct gl_texture_object *texObj,
4312 struct gl_texture_image *texImage)
4313 {
4314 GLuint sizeInBytes;
4315 (void) border;
4316
4317 /* allocate memory */
4318 sizeInBytes = texture_size(texImage);
4319 texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
4320 if (!texImage->Data) {
4321 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
4322 return;
4323 }
4324
4325 pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type,
4326 pixels, packing, "glTexImage2D");
4327 if (!pixels) {
4328 /* Note: we check for a NULL image pointer here, _after_ we allocated
4329 * memory for the texture. That's what the GL spec calls for.
4330 */
4331 return;
4332 }
4333 else {
4334 GLint dstRowStride = texture_row_stride(texImage);
4335 GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,
4336 texImage->TexFormat,
4337 texImage->Data,
4338 0, 0, 0, /* dstX/Y/Zoffset */
4339 dstRowStride,
4340 texImage->ImageOffsets,
4341 width, height, 1,
4342 format, type, pixels, packing);
4343 if (!success) {
4344 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
4345 }
4346 }
4347
4348 _mesa_unmap_teximage_pbo(ctx, packing);
4349 }
4350
4351
4352
4353 /**
4354 * This is the software fallback for Driver.TexImage3D()
4355 * and Driver.CopyTexImage3D().
4356 * \sa _mesa_store_teximage2d()
4357 */
4358 void
4359 _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
4360 GLint internalFormat,
4361 GLint width, GLint height, GLint depth, GLint border,
4362 GLenum format, GLenum type, const void *pixels,
4363 const struct gl_pixelstore_attrib *packing,
4364 struct gl_texture_object *texObj,
4365 struct gl_texture_image *texImage)
4366 {
4367 GLuint sizeInBytes;
4368 (void) border;
4369
4370 /* allocate memory */
4371 sizeInBytes = texture_size(texImage);
4372 texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
4373 if (!texImage->Data) {
4374 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
4375 return;
4376 }
4377
4378 pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format,
4379 type, pixels, packing, "glTexImage3D");
4380 if (!pixels) {
4381 /* Note: we check for a NULL image pointer here, _after_ we allocated
4382 * memory for the texture. That's what the GL spec calls for.
4383 */
4384 return;
4385 }
4386 else {
4387 GLint dstRowStride = texture_row_stride(texImage);
4388 GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,
4389 texImage->TexFormat,
4390 texImage->Data,
4391 0, 0, 0, /* dstX/Y/Zoffset */
4392 dstRowStride,
4393 texImage->ImageOffsets,
4394 width, height, depth,
4395 format, type, pixels, packing);
4396 if (!success) {
4397 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
4398 }
4399 }
4400
4401 _mesa_unmap_teximage_pbo(ctx, packing);
4402 }
4403
4404
4405
4406
4407 /*
4408 * This is the software fallback for Driver.TexSubImage1D()
4409 * and Driver.CopyTexSubImage1D().
4410 */
4411 void
4412 _mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
4413 GLint xoffset, GLint width,
4414 GLenum format, GLenum type, const void *pixels,
4415 const struct gl_pixelstore_attrib *packing,
4416 struct gl_texture_object *texObj,
4417 struct gl_texture_image *texImage)
4418 {
4419 /* get pointer to src pixels (may be in a pbo which we'll map here) */
4420 pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type,
4421 pixels, packing, "glTexSubImage1D");
4422 if (!pixels)
4423 return;
4424
4425 {
4426 const GLint dstRowStride = 0;
4427 GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,
4428 texImage->TexFormat,
4429 texImage->Data,
4430 xoffset, 0, 0, /* offsets */
4431 dstRowStride,
4432 texImage->ImageOffsets,
4433 width, 1, 1,
4434 format, type, pixels, packing);
4435 if (!success) {
4436 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");
4437 }
4438 }
4439
4440 _mesa_unmap_teximage_pbo(ctx, packing);
4441 }
4442
4443
4444
4445 /**
4446 * This is the software fallback for Driver.TexSubImage2D()
4447 * and Driver.CopyTexSubImage2D().
4448 */
4449 void
4450 _mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
4451 GLint xoffset, GLint yoffset,
4452 GLint width, GLint height,
4453 GLenum format, GLenum type, const void *pixels,
4454 const struct gl_pixelstore_attrib *packing,
4455 struct gl_texture_object *texObj,
4456 struct gl_texture_image *texImage)
4457 {
4458 /* get pointer to src pixels (may be in a pbo which we'll map here) */
4459 pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type,
4460 pixels, packing, "glTexSubImage2D");
4461 if (!pixels)
4462 return;
4463
4464 {
4465 GLint dstRowStride = texture_row_stride(texImage);
4466 GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,
4467 texImage->TexFormat,
4468 texImage->Data,
4469 xoffset, yoffset, 0,
4470 dstRowStride,
4471 texImage->ImageOffsets,
4472 width, height, 1,
4473 format, type, pixels, packing);
4474 if (!success) {
4475 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
4476 }
4477 }
4478
4479 _mesa_unmap_teximage_pbo(ctx, packing);
4480 }
4481
4482
4483 /*
4484 * This is the software fallback for Driver.TexSubImage3D().
4485 * and Driver.CopyTexSubImage3D().
4486 */
4487 void
4488 _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
4489 GLint xoffset, GLint yoffset, GLint zoffset,
4490 GLint width, GLint height, GLint depth,
4491 GLenum format, GLenum type, const void *pixels,
4492 const struct gl_pixelstore_attrib *packing,
4493 struct gl_texture_object *texObj,
4494 struct gl_texture_image *texImage)
4495 {
4496 /* get pointer to src pixels (may be in a pbo which we'll map here) */
4497 pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format,
4498 type, pixels, packing,
4499 "glTexSubImage3D");
4500 if (!pixels)
4501 return;
4502
4503 {
4504 GLint dstRowStride = texture_row_stride(texImage);
4505 GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,
4506 texImage->TexFormat,
4507 texImage->Data,
4508 xoffset, yoffset, zoffset,
4509 dstRowStride,
4510 texImage->ImageOffsets,
4511 width, height, depth,
4512 format, type, pixels, packing);
4513 if (!success) {
4514 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D");
4515 }
4516 }
4517
4518 _mesa_unmap_teximage_pbo(ctx, packing);
4519 }
4520
4521
4522 /*
4523 * Fallback for Driver.CompressedTexImage1D()
4524 */
4525 void
4526 _mesa_store_compressed_teximage1d(struct gl_context *ctx,
4527 GLenum target, GLint level,
4528 GLint internalFormat,
4529 GLint width, GLint border,
4530 GLsizei imageSize, const GLvoid *data,
4531 struct gl_texture_object *texObj,
4532 struct gl_texture_image *texImage)
4533 {
4534 /* this space intentionally left blank */
4535 (void) ctx;
4536 (void) target; (void) level;
4537 (void) internalFormat;
4538 (void) width; (void) border;
4539 (void) imageSize; (void) data;
4540 (void) texObj;
4541 (void) texImage;
4542 }
4543
4544
4545
4546 /**
4547 * Fallback for Driver.CompressedTexImage2D()
4548 */
4549 void
4550 _mesa_store_compressed_teximage2d(struct gl_context *ctx,
4551 GLenum target, GLint level,
4552 GLint internalFormat,
4553 GLint width, GLint height, GLint border,
4554 GLsizei imageSize, const GLvoid *data,
4555 struct gl_texture_object *texObj,
4556 struct gl_texture_image *texImage)
4557 {
4558 (void) width; (void) height; (void) border;
4559
4560 /* This is pretty simple, basically just do a memcpy without worrying
4561 * about the usual image unpacking or image transfer operations.
4562 */
4563 ASSERT(texObj);
4564 ASSERT(texImage);
4565 ASSERT(texImage->Width > 0);
4566 ASSERT(texImage->Height > 0);
4567 ASSERT(texImage->Depth == 1);
4568 ASSERT(texImage->Data == NULL); /* was freed in glCompressedTexImage2DARB */
4569
4570 /* allocate storage */
4571 texImage->Data = _mesa_alloc_texmemory(imageSize);
4572 if (!texImage->Data) {
4573 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB");
4574 return;
4575 }
4576
4577 data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,
4578 &ctx->Unpack,
4579 "glCompressedTexImage2D");
4580 if (!data)
4581 return;
4582
4583 /* copy the data */
4584 memcpy(texImage->Data, data, imageSize);
4585
4586 _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);
4587 }
4588
4589
4590
4591 /*
4592 * Fallback for Driver.CompressedTexImage3D()
4593 */
4594 void
4595 _mesa_store_compressed_teximage3d(struct gl_context *ctx,
4596 GLenum target, GLint level,
4597 GLint internalFormat,
4598 GLint width, GLint height, GLint depth,
4599 GLint border,
4600 GLsizei imageSize, const GLvoid *data,
4601 struct gl_texture_object *texObj,
4602 struct gl_texture_image *texImage)
4603 {
4604 /* this space intentionally left blank */
4605 (void) ctx;
4606 (void) target; (void) level;
4607 (void) internalFormat;
4608 (void) width; (void) height; (void) depth;
4609 (void) border;
4610 (void) imageSize; (void) data;
4611 (void) texObj;
4612 (void) texImage;
4613 }
4614
4615
4616
4617 /**
4618 * Fallback for Driver.CompressedTexSubImage1D()
4619 */
4620 void
4621 _mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
4622 GLint level,
4623 GLint xoffset, GLsizei width,
4624 GLenum format,
4625 GLsizei imageSize, const GLvoid *data,
4626 struct gl_texture_object *texObj,
4627 struct gl_texture_image *texImage)
4628 {
4629 /* there are no compressed 1D texture formats yet */
4630 (void) ctx;
4631 (void) target; (void) level;
4632 (void) xoffset; (void) width;
4633 (void) format;
4634 (void) imageSize; (void) data;
4635 (void) texObj;
4636 (void) texImage;
4637 }
4638
4639
4640 /**
4641 * Fallback for Driver.CompressedTexSubImage2D()
4642 */
4643 void
4644 _mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
4645 GLint level,
4646 GLint xoffset, GLint yoffset,
4647 GLsizei width, GLsizei height,
4648 GLenum format,
4649 GLsizei imageSize, const GLvoid *data,
4650 struct gl_texture_object *texObj,
4651 struct gl_texture_image *texImage)
4652 {
4653 GLint bytesPerRow, destRowStride, srcRowStride;
4654 GLint i, rows;
4655 GLubyte *dest;
4656 const GLubyte *src;
4657 const gl_format texFormat = texImage->TexFormat;
4658 const GLint destWidth = texImage->Width;
4659 GLuint bw, bh;
4660
4661 _mesa_get_format_block_size(texFormat, &bw, &bh);
4662
4663 (void) level;
4664 (void) format;
4665
4666 /* these should have been caught sooner */
4667 ASSERT((width % bw) == 0 || width == 2 || width == 1);
4668 ASSERT((height % bh) == 0 || height == 2 || height == 1);
4669 ASSERT((xoffset % bw) == 0);
4670 ASSERT((yoffset % bh) == 0);
4671
4672 /* get pointer to src pixels (may be in a pbo which we'll map here) */
4673 data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,
4674 &ctx->Unpack,
4675 "glCompressedTexSubImage2D");
4676 if (!data)
4677 return;
4678
4679 srcRowStride = _mesa_format_row_stride(texFormat, width);
4680 src = (const GLubyte *) data;
4681
4682 destRowStride = _mesa_format_row_stride(texFormat, destWidth);
4683 dest = _mesa_compressed_image_address(xoffset, yoffset, 0,
4684 texFormat, destWidth,
4685 (GLubyte *) texImage->Data);
4686
4687 bytesPerRow = srcRowStride; /* bytes per row of blocks */
4688 rows = height / bh; /* rows in blocks */
4689
4690 /* copy rows of blocks */
4691 for (i = 0; i < rows; i++) {
4692 memcpy(dest, src, bytesPerRow);
4693 dest += destRowStride;
4694 src += srcRowStride;
4695 }
4696
4697 _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);
4698 }
4699
4700
4701 /**
4702 * Fallback for Driver.CompressedTexSubImage3D()
4703 */
4704 void
4705 _mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
4706 GLint level,
4707 GLint xoffset, GLint yoffset, GLint zoffset,
4708 GLsizei width, GLsizei height, GLsizei depth,
4709 GLenum format,
4710 GLsizei imageSize, const GLvoid *data,
4711 struct gl_texture_object *texObj,
4712 struct gl_texture_image *texImage)
4713 {
4714 /* there are no compressed 3D texture formats yet */
4715 (void) ctx;
4716 (void) target; (void) level;
4717 (void) xoffset; (void) yoffset; (void) zoffset;
4718 (void) width; (void) height; (void) depth;
4719 (void) format;
4720 (void) imageSize; (void) data;
4721 (void) texObj;
4722 (void) texImage;
4723 }