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i965: Make gen6_sf_state.c's get_attr_override non-static.
[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 "mfeatures.h"
62 #include "mtypes.h"
63 #include "pack.h"
64 #include "pbo.h"
65 #include "imports.h"
66 #include "texcompress.h"
67 #include "texcompress_fxt1.h"
68 #include "texcompress_rgtc.h"
69 #include "texcompress_s3tc.h"
70 #include "teximage.h"
71 #include "texstore.h"
72 #include "enums.h"
73 #include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
74 #include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
75
76
77 enum {
78 ZERO = 4,
79 ONE = 5
80 };
81
82
83 /**
84 * Texture image storage function.
85 */
86 typedef GLboolean (*StoreTexImageFunc)(TEXSTORE_PARAMS);
87
88
89 /**
90 * Return GL_TRUE if the given image format is one that be converted
91 * to another format by swizzling.
92 */
93 static GLboolean
94 can_swizzle(GLenum logicalBaseFormat)
95 {
96 switch (logicalBaseFormat) {
97 case GL_RGBA:
98 case GL_RGB:
99 case GL_LUMINANCE_ALPHA:
100 case GL_INTENSITY:
101 case GL_ALPHA:
102 case GL_LUMINANCE:
103 case GL_RED:
104 case GL_GREEN:
105 case GL_BLUE:
106 case GL_BGR:
107 case GL_BGRA:
108 case GL_ABGR_EXT:
109 case GL_RG:
110 return GL_TRUE;
111 default:
112 return GL_FALSE;
113 }
114 }
115
116
117
118 enum {
119 IDX_LUMINANCE = 0,
120 IDX_ALPHA,
121 IDX_INTENSITY,
122 IDX_LUMINANCE_ALPHA,
123 IDX_RGB,
124 IDX_RGBA,
125 IDX_RED,
126 IDX_GREEN,
127 IDX_BLUE,
128 IDX_BGR,
129 IDX_BGRA,
130 IDX_ABGR,
131 IDX_RG,
132 MAX_IDX
133 };
134
135 #define MAP1(x) MAP4(x, ZERO, ZERO, ZERO)
136 #define MAP2(x,y) MAP4(x, y, ZERO, ZERO)
137 #define MAP3(x,y,z) MAP4(x, y, z, ZERO)
138 #define MAP4(x,y,z,w) { x, y, z, w, ZERO, ONE }
139
140
141 static const struct {
142 GLubyte format_idx;
143 GLubyte to_rgba[6];
144 GLubyte from_rgba[6];
145 } mappings[MAX_IDX] =
146 {
147 {
148 IDX_LUMINANCE,
149 MAP4(0,0,0,ONE),
150 MAP1(0)
151 },
152
153 {
154 IDX_ALPHA,
155 MAP4(ZERO, ZERO, ZERO, 0),
156 MAP1(3)
157 },
158
159 {
160 IDX_INTENSITY,
161 MAP4(0, 0, 0, 0),
162 MAP1(0),
163 },
164
165 {
166 IDX_LUMINANCE_ALPHA,
167 MAP4(0,0,0,1),
168 MAP2(0,3)
169 },
170
171 {
172 IDX_RGB,
173 MAP4(0,1,2,ONE),
174 MAP3(0,1,2)
175 },
176
177 {
178 IDX_RGBA,
179 MAP4(0,1,2,3),
180 MAP4(0,1,2,3),
181 },
182
183 {
184 IDX_RED,
185 MAP4(0, ZERO, ZERO, ONE),
186 MAP1(0),
187 },
188
189 {
190 IDX_GREEN,
191 MAP4(ZERO, 0, ZERO, ONE),
192 MAP1(1),
193 },
194
195 {
196 IDX_BLUE,
197 MAP4(ZERO, ZERO, 0, ONE),
198 MAP1(2),
199 },
200
201 {
202 IDX_BGR,
203 MAP4(2,1,0,ONE),
204 MAP3(2,1,0)
205 },
206
207 {
208 IDX_BGRA,
209 MAP4(2,1,0,3),
210 MAP4(2,1,0,3)
211 },
212
213 {
214 IDX_ABGR,
215 MAP4(3,2,1,0),
216 MAP4(3,2,1,0)
217 },
218
219 {
220 IDX_RG,
221 MAP4(0, 1, ZERO, ONE),
222 MAP2(0, 1)
223 },
224 };
225
226
227
228 /**
229 * Convert a GL image format enum to an IDX_* value (see above).
230 */
231 static int
232 get_map_idx(GLenum value)
233 {
234 switch (value) {
235 case GL_LUMINANCE: return IDX_LUMINANCE;
236 case GL_ALPHA: return IDX_ALPHA;
237 case GL_INTENSITY: return IDX_INTENSITY;
238 case GL_LUMINANCE_ALPHA: return IDX_LUMINANCE_ALPHA;
239 case GL_RGB: return IDX_RGB;
240 case GL_RGBA: return IDX_RGBA;
241 case GL_RED: return IDX_RED;
242 case GL_GREEN: return IDX_GREEN;
243 case GL_BLUE: return IDX_BLUE;
244 case GL_BGR: return IDX_BGR;
245 case GL_BGRA: return IDX_BGRA;
246 case GL_ABGR_EXT: return IDX_ABGR;
247 case GL_RG: return IDX_RG;
248 default:
249 _mesa_problem(NULL, "Unexpected inFormat");
250 return 0;
251 }
252 }
253
254
255 /**
256 * When promoting texture formats (see below) we need to compute the
257 * mapping of dest components back to source components.
258 * This function does that.
259 * \param inFormat the incoming format of the texture
260 * \param outFormat the final texture format
261 * \return map[6] a full 6-component map
262 */
263 static void
264 compute_component_mapping(GLenum inFormat, GLenum outFormat,
265 GLubyte *map)
266 {
267 const int inFmt = get_map_idx(inFormat);
268 const int outFmt = get_map_idx(outFormat);
269 const GLubyte *in2rgba = mappings[inFmt].to_rgba;
270 const GLubyte *rgba2out = mappings[outFmt].from_rgba;
271 int i;
272
273 for (i = 0; i < 4; i++)
274 map[i] = in2rgba[rgba2out[i]];
275
276 map[ZERO] = ZERO;
277 map[ONE] = ONE;
278
279 #if 0
280 printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n",
281 inFormat, _mesa_lookup_enum_by_nr(inFormat),
282 outFormat, _mesa_lookup_enum_by_nr(outFormat),
283 map[0],
284 map[1],
285 map[2],
286 map[3],
287 map[4],
288 map[5]);
289 #endif
290 }
291
292
293 /**
294 * Make a temporary (color) texture image with GLfloat components.
295 * Apply all needed pixel unpacking and pixel transfer operations.
296 * Note that there are both logicalBaseFormat and textureBaseFormat parameters.
297 * Suppose the user specifies GL_LUMINANCE as the internal texture format
298 * but the graphics hardware doesn't support luminance textures. So, we might
299 * use an RGB hardware format instead.
300 * If logicalBaseFormat != textureBaseFormat we have some extra work to do.
301 *
302 * \param ctx the rendering context
303 * \param dims image dimensions: 1, 2 or 3
304 * \param logicalBaseFormat basic texture derived from the user's
305 * internal texture format value
306 * \param textureBaseFormat the actual basic format of the texture
307 * \param srcWidth source image width
308 * \param srcHeight source image height
309 * \param srcDepth source image depth
310 * \param srcFormat source image format
311 * \param srcType source image type
312 * \param srcAddr source image address
313 * \param srcPacking source image pixel packing
314 * \return resulting image with format = textureBaseFormat and type = GLfloat.
315 */
316 GLfloat *
317 _mesa_make_temp_float_image(struct gl_context *ctx, GLuint dims,
318 GLenum logicalBaseFormat,
319 GLenum textureBaseFormat,
320 GLint srcWidth, GLint srcHeight, GLint srcDepth,
321 GLenum srcFormat, GLenum srcType,
322 const GLvoid *srcAddr,
323 const struct gl_pixelstore_attrib *srcPacking,
324 GLbitfield transferOps)
325 {
326 GLfloat *tempImage;
327 const GLint components = _mesa_components_in_format(logicalBaseFormat);
328 const GLint srcStride =
329 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
330 GLfloat *dst;
331 GLint img, row;
332
333 ASSERT(dims >= 1 && dims <= 3);
334
335 ASSERT(logicalBaseFormat == GL_RGBA ||
336 logicalBaseFormat == GL_RGB ||
337 logicalBaseFormat == GL_RG ||
338 logicalBaseFormat == GL_RED ||
339 logicalBaseFormat == GL_LUMINANCE_ALPHA ||
340 logicalBaseFormat == GL_LUMINANCE ||
341 logicalBaseFormat == GL_ALPHA ||
342 logicalBaseFormat == GL_INTENSITY ||
343 logicalBaseFormat == GL_COLOR_INDEX ||
344 logicalBaseFormat == GL_DEPTH_COMPONENT);
345
346 ASSERT(textureBaseFormat == GL_RGBA ||
347 textureBaseFormat == GL_RGB ||
348 textureBaseFormat == GL_RG ||
349 textureBaseFormat == GL_RED ||
350 textureBaseFormat == GL_LUMINANCE_ALPHA ||
351 textureBaseFormat == GL_LUMINANCE ||
352 textureBaseFormat == GL_ALPHA ||
353 textureBaseFormat == GL_INTENSITY ||
354 textureBaseFormat == GL_COLOR_INDEX ||
355 textureBaseFormat == GL_DEPTH_COMPONENT);
356
357 tempImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth
358 * components * sizeof(GLfloat));
359 if (!tempImage)
360 return NULL;
361
362 dst = tempImage;
363 for (img = 0; img < srcDepth; img++) {
364 const GLubyte *src
365 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
366 srcWidth, srcHeight,
367 srcFormat, srcType,
368 img, 0, 0);
369 for (row = 0; row < srcHeight; row++) {
370 _mesa_unpack_color_span_float(ctx, srcWidth, logicalBaseFormat,
371 dst, srcFormat, srcType, src,
372 srcPacking, transferOps);
373 dst += srcWidth * components;
374 src += srcStride;
375 }
376 }
377
378 if (logicalBaseFormat != textureBaseFormat) {
379 /* more work */
380 GLint texComponents = _mesa_components_in_format(textureBaseFormat);
381 GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
382 GLfloat *newImage;
383 GLint i, n;
384 GLubyte map[6];
385
386 /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
387 ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
388 textureBaseFormat == GL_LUMINANCE_ALPHA);
389
390 /* The actual texture format should have at least as many components
391 * as the logical texture format.
392 */
393 ASSERT(texComponents >= logComponents);
394
395 newImage = (GLfloat *) malloc(srcWidth * srcHeight * srcDepth
396 * texComponents * sizeof(GLfloat));
397 if (!newImage) {
398 free(tempImage);
399 return NULL;
400 }
401
402 compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
403
404 n = srcWidth * srcHeight * srcDepth;
405 for (i = 0; i < n; i++) {
406 GLint k;
407 for (k = 0; k < texComponents; k++) {
408 GLint j = map[k];
409 if (j == ZERO)
410 newImage[i * texComponents + k] = 0.0F;
411 else if (j == ONE)
412 newImage[i * texComponents + k] = 1.0F;
413 else
414 newImage[i * texComponents + k] = tempImage[i * logComponents + j];
415 }
416 }
417
418 free(tempImage);
419 tempImage = newImage;
420 }
421
422 return tempImage;
423 }
424
425
426 /**
427 * Make temporary image with uint pixel values. Used for unsigned
428 * integer-valued textures.
429 */
430 static GLuint *
431 make_temp_uint_image(struct gl_context *ctx, GLuint dims,
432 GLenum logicalBaseFormat,
433 GLenum textureBaseFormat,
434 GLint srcWidth, GLint srcHeight, GLint srcDepth,
435 GLenum srcFormat, GLenum srcType,
436 const GLvoid *srcAddr,
437 const struct gl_pixelstore_attrib *srcPacking)
438 {
439 GLuint *tempImage;
440 const GLint components = _mesa_components_in_format(logicalBaseFormat);
441 const GLint srcStride =
442 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
443 GLuint *dst;
444 GLint img, row;
445
446 ASSERT(dims >= 1 && dims <= 3);
447
448 ASSERT(logicalBaseFormat == GL_RGBA ||
449 logicalBaseFormat == GL_RGB ||
450 logicalBaseFormat == GL_RG ||
451 logicalBaseFormat == GL_RED ||
452 logicalBaseFormat == GL_LUMINANCE_ALPHA ||
453 logicalBaseFormat == GL_LUMINANCE ||
454 logicalBaseFormat == GL_INTENSITY ||
455 logicalBaseFormat == GL_ALPHA);
456
457 ASSERT(textureBaseFormat == GL_RGBA ||
458 textureBaseFormat == GL_RGB ||
459 textureBaseFormat == GL_RG ||
460 textureBaseFormat == GL_RED ||
461 textureBaseFormat == GL_LUMINANCE_ALPHA ||
462 textureBaseFormat == GL_LUMINANCE ||
463 textureBaseFormat == GL_ALPHA);
464
465 tempImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth
466 * components * sizeof(GLuint));
467 if (!tempImage)
468 return NULL;
469
470 dst = tempImage;
471 for (img = 0; img < srcDepth; img++) {
472 const GLubyte *src
473 = (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
474 srcWidth, srcHeight,
475 srcFormat, srcType,
476 img, 0, 0);
477 for (row = 0; row < srcHeight; row++) {
478 _mesa_unpack_color_span_uint(ctx, srcWidth, logicalBaseFormat,
479 dst, srcFormat, srcType, src,
480 srcPacking);
481 dst += srcWidth * components;
482 src += srcStride;
483 }
484 }
485
486 if (logicalBaseFormat != textureBaseFormat) {
487 /* more work */
488 GLint texComponents = _mesa_components_in_format(textureBaseFormat);
489 GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
490 GLuint *newImage;
491 GLint i, n;
492 GLubyte map[6];
493
494 /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
495 ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
496 textureBaseFormat == GL_LUMINANCE_ALPHA);
497
498 /* The actual texture format should have at least as many components
499 * as the logical texture format.
500 */
501 ASSERT(texComponents >= logComponents);
502
503 newImage = (GLuint *) malloc(srcWidth * srcHeight * srcDepth
504 * texComponents * sizeof(GLuint));
505 if (!newImage) {
506 free(tempImage);
507 return NULL;
508 }
509
510 compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
511
512 n = srcWidth * srcHeight * srcDepth;
513 for (i = 0; i < n; i++) {
514 GLint k;
515 for (k = 0; k < texComponents; k++) {
516 GLint j = map[k];
517 if (j == ZERO)
518 newImage[i * texComponents + k] = 0.0F;
519 else if (j == ONE)
520 newImage[i * texComponents + k] = 1.0F;
521 else
522 newImage[i * texComponents + k] = tempImage[i * logComponents + j];
523 }
524 }
525
526 free(tempImage);
527 tempImage = newImage;
528 }
529
530 return tempImage;
531 }
532
533
534
535 /**
536 * Make a temporary (color) texture image with GLchan components.
537 * Apply all needed pixel unpacking and pixel transfer operations.
538 * Note that there are both logicalBaseFormat and textureBaseFormat parameters.
539 * Suppose the user specifies GL_LUMINANCE as the internal texture format
540 * but the graphics hardware doesn't support luminance textures. So, we might
541 * use an RGB hardware format instead.
542 * If logicalBaseFormat != textureBaseFormat we have some extra work to do.
543 *
544 * \param ctx the rendering context
545 * \param dims image dimensions: 1, 2 or 3
546 * \param logicalBaseFormat basic texture derived from the user's
547 * internal texture format value
548 * \param textureBaseFormat the actual basic format of the texture
549 * \param srcWidth source image width
550 * \param srcHeight source image height
551 * \param srcDepth source image depth
552 * \param srcFormat source image format
553 * \param srcType source image type
554 * \param srcAddr source image address
555 * \param srcPacking source image pixel packing
556 * \return resulting image with format = textureBaseFormat and type = GLchan.
557 */
558 GLchan *
559 _mesa_make_temp_chan_image(struct gl_context *ctx, GLuint dims,
560 GLenum logicalBaseFormat,
561 GLenum textureBaseFormat,
562 GLint srcWidth, GLint srcHeight, GLint srcDepth,
563 GLenum srcFormat, GLenum srcType,
564 const GLvoid *srcAddr,
565 const struct gl_pixelstore_attrib *srcPacking)
566 {
567 GLuint transferOps = ctx->_ImageTransferState;
568 const GLint components = _mesa_components_in_format(logicalBaseFormat);
569 GLint img, row;
570 GLchan *tempImage, *dst;
571
572 ASSERT(dims >= 1 && dims <= 3);
573
574 ASSERT(logicalBaseFormat == GL_RGBA ||
575 logicalBaseFormat == GL_RGB ||
576 logicalBaseFormat == GL_RG ||
577 logicalBaseFormat == GL_RED ||
578 logicalBaseFormat == GL_LUMINANCE_ALPHA ||
579 logicalBaseFormat == GL_LUMINANCE ||
580 logicalBaseFormat == GL_ALPHA ||
581 logicalBaseFormat == GL_INTENSITY);
582
583 ASSERT(textureBaseFormat == GL_RGBA ||
584 textureBaseFormat == GL_RGB ||
585 textureBaseFormat == GL_RG ||
586 textureBaseFormat == GL_RED ||
587 textureBaseFormat == GL_LUMINANCE_ALPHA ||
588 textureBaseFormat == GL_LUMINANCE ||
589 textureBaseFormat == GL_ALPHA ||
590 textureBaseFormat == GL_INTENSITY);
591
592 /* unpack and transfer the source image */
593 tempImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth
594 * components * sizeof(GLchan));
595 if (!tempImage) {
596 return NULL;
597 }
598
599 dst = tempImage;
600 for (img = 0; img < srcDepth; img++) {
601 const GLint srcStride =
602 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
603 const GLubyte *src =
604 (const GLubyte *) _mesa_image_address(dims, srcPacking, srcAddr,
605 srcWidth, srcHeight,
606 srcFormat, srcType,
607 img, 0, 0);
608 for (row = 0; row < srcHeight; row++) {
609 _mesa_unpack_color_span_chan(ctx, srcWidth, logicalBaseFormat, dst,
610 srcFormat, srcType, src, srcPacking,
611 transferOps);
612 dst += srcWidth * components;
613 src += srcStride;
614 }
615 }
616
617 if (logicalBaseFormat != textureBaseFormat) {
618 /* one more conversion step */
619 GLint texComponents = _mesa_components_in_format(textureBaseFormat);
620 GLint logComponents = _mesa_components_in_format(logicalBaseFormat);
621 GLchan *newImage;
622 GLint i, n;
623 GLubyte map[6];
624
625 /* we only promote up to RGB, RGBA and LUMINANCE_ALPHA formats for now */
626 ASSERT(textureBaseFormat == GL_RGB || textureBaseFormat == GL_RGBA ||
627 textureBaseFormat == GL_LUMINANCE_ALPHA);
628
629 /* The actual texture format should have at least as many components
630 * as the logical texture format.
631 */
632 ASSERT(texComponents >= logComponents);
633
634 newImage = (GLchan *) malloc(srcWidth * srcHeight * srcDepth
635 * texComponents * sizeof(GLchan));
636 if (!newImage) {
637 free(tempImage);
638 return NULL;
639 }
640
641 compute_component_mapping(logicalBaseFormat, textureBaseFormat, map);
642
643 n = srcWidth * srcHeight * srcDepth;
644 for (i = 0; i < n; i++) {
645 GLint k;
646 for (k = 0; k < texComponents; k++) {
647 GLint j = map[k];
648 if (j == ZERO)
649 newImage[i * texComponents + k] = 0;
650 else if (j == ONE)
651 newImage[i * texComponents + k] = CHAN_MAX;
652 else
653 newImage[i * texComponents + k] = tempImage[i * logComponents + j];
654 }
655 }
656
657 free(tempImage);
658 tempImage = newImage;
659 }
660
661 return tempImage;
662 }
663
664
665 /**
666 * Copy GLubyte pixels from <src> to <dst> with swizzling.
667 * \param dst destination pixels
668 * \param dstComponents number of color components in destination pixels
669 * \param src source pixels
670 * \param srcComponents number of color components in source pixels
671 * \param map the swizzle mapping. map[X] says where to find the X component
672 * in the source image's pixels. For example, if the source image
673 * is GL_BGRA and X = red, map[0] yields 2.
674 * \param count number of pixels to copy/swizzle.
675 */
676 static void
677 swizzle_copy(GLubyte *dst, GLuint dstComponents, const GLubyte *src,
678 GLuint srcComponents, const GLubyte *map, GLuint count)
679 {
680 #define SWZ_CPY(dst, src, count, dstComps, srcComps) \
681 do { \
682 GLuint i; \
683 for (i = 0; i < count; i++) { \
684 GLuint j; \
685 if (srcComps == 4) { \
686 COPY_4UBV(tmp, src); \
687 } \
688 else { \
689 for (j = 0; j < srcComps; j++) { \
690 tmp[j] = src[j]; \
691 } \
692 } \
693 src += srcComps; \
694 for (j = 0; j < dstComps; j++) { \
695 dst[j] = tmp[map[j]]; \
696 } \
697 dst += dstComps; \
698 } \
699 } while (0)
700
701 GLubyte tmp[6];
702
703 tmp[ZERO] = 0x0;
704 tmp[ONE] = 0xff;
705
706 ASSERT(srcComponents <= 4);
707 ASSERT(dstComponents <= 4);
708
709 switch (dstComponents) {
710 case 4:
711 switch (srcComponents) {
712 case 4:
713 SWZ_CPY(dst, src, count, 4, 4);
714 break;
715 case 3:
716 SWZ_CPY(dst, src, count, 4, 3);
717 break;
718 case 2:
719 SWZ_CPY(dst, src, count, 4, 2);
720 break;
721 case 1:
722 SWZ_CPY(dst, src, count, 4, 1);
723 break;
724 default:
725 ;
726 }
727 break;
728 case 3:
729 switch (srcComponents) {
730 case 4:
731 SWZ_CPY(dst, src, count, 3, 4);
732 break;
733 case 3:
734 SWZ_CPY(dst, src, count, 3, 3);
735 break;
736 case 2:
737 SWZ_CPY(dst, src, count, 3, 2);
738 break;
739 case 1:
740 SWZ_CPY(dst, src, count, 3, 1);
741 break;
742 default:
743 ;
744 }
745 break;
746 case 2:
747 switch (srcComponents) {
748 case 4:
749 SWZ_CPY(dst, src, count, 2, 4);
750 break;
751 case 3:
752 SWZ_CPY(dst, src, count, 2, 3);
753 break;
754 case 2:
755 SWZ_CPY(dst, src, count, 2, 2);
756 break;
757 case 1:
758 SWZ_CPY(dst, src, count, 2, 1);
759 break;
760 default:
761 ;
762 }
763 break;
764 case 1:
765 switch (srcComponents) {
766 case 4:
767 SWZ_CPY(dst, src, count, 1, 4);
768 break;
769 case 3:
770 SWZ_CPY(dst, src, count, 1, 3);
771 break;
772 case 2:
773 SWZ_CPY(dst, src, count, 1, 2);
774 break;
775 case 1:
776 SWZ_CPY(dst, src, count, 1, 1);
777 break;
778 default:
779 ;
780 }
781 break;
782 default:
783 ;
784 }
785 #undef SWZ_CPY
786 }
787
788
789
790 static const GLubyte map_identity[6] = { 0, 1, 2, 3, ZERO, ONE };
791 static const GLubyte map_3210[6] = { 3, 2, 1, 0, ZERO, ONE };
792
793
794 /**
795 * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a
796 * mapping array depending on endianness.
797 */
798 static const GLubyte *
799 type_mapping( GLenum srcType )
800 {
801 switch (srcType) {
802 case GL_BYTE:
803 case GL_UNSIGNED_BYTE:
804 return map_identity;
805 case GL_UNSIGNED_INT_8_8_8_8:
806 return _mesa_little_endian() ? map_3210 : map_identity;
807 case GL_UNSIGNED_INT_8_8_8_8_REV:
808 return _mesa_little_endian() ? map_identity : map_3210;
809 default:
810 return NULL;
811 }
812 }
813
814
815 /**
816 * For 1-byte/pixel formats (or 8_8_8_8 packed formats), return a
817 * mapping array depending on pixelstore byte swapping state.
818 */
819 static const GLubyte *
820 byteswap_mapping( GLboolean swapBytes,
821 GLenum srcType )
822 {
823 if (!swapBytes)
824 return map_identity;
825
826 switch (srcType) {
827 case GL_BYTE:
828 case GL_UNSIGNED_BYTE:
829 return map_identity;
830 case GL_UNSIGNED_INT_8_8_8_8:
831 case GL_UNSIGNED_INT_8_8_8_8_REV:
832 return map_3210;
833 default:
834 return NULL;
835 }
836 }
837
838
839
840 /**
841 * Transfer a GLubyte texture image with component swizzling.
842 */
843 static void
844 _mesa_swizzle_ubyte_image(struct gl_context *ctx,
845 GLuint dimensions,
846 GLenum srcFormat,
847 GLenum srcType,
848
849 GLenum baseInternalFormat,
850
851 const GLubyte *rgba2dst,
852 GLuint dstComponents,
853
854 GLvoid *dstAddr,
855 GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
856 GLint dstRowStride,
857 const GLuint *dstImageOffsets,
858
859 GLint srcWidth, GLint srcHeight, GLint srcDepth,
860 const GLvoid *srcAddr,
861 const struct gl_pixelstore_attrib *srcPacking )
862 {
863 GLint srcComponents = _mesa_components_in_format(srcFormat);
864 const GLubyte *srctype2ubyte, *swap;
865 GLubyte map[4], src2base[6], base2rgba[6];
866 GLint i;
867 const GLint srcRowStride =
868 _mesa_image_row_stride(srcPacking, srcWidth,
869 srcFormat, GL_UNSIGNED_BYTE);
870 const GLint srcImageStride
871 = _mesa_image_image_stride(srcPacking, srcWidth, srcHeight, srcFormat,
872 GL_UNSIGNED_BYTE);
873 const GLubyte *srcImage
874 = (const GLubyte *) _mesa_image_address(dimensions, srcPacking, srcAddr,
875 srcWidth, srcHeight, srcFormat,
876 GL_UNSIGNED_BYTE, 0, 0, 0);
877
878 (void) ctx;
879
880 /* Translate from src->baseInternal->GL_RGBA->dst. This will
881 * correctly deal with RGBA->RGB->RGBA conversions where the final
882 * A value must be 0xff regardless of the incoming alpha values.
883 */
884 compute_component_mapping(srcFormat, baseInternalFormat, src2base);
885 compute_component_mapping(baseInternalFormat, GL_RGBA, base2rgba);
886 swap = byteswap_mapping(srcPacking->SwapBytes, srcType);
887 srctype2ubyte = type_mapping(srcType);
888
889
890 for (i = 0; i < 4; i++)
891 map[i] = srctype2ubyte[swap[src2base[base2rgba[rgba2dst[i]]]]];
892
893 /* printf("map %d %d %d %d\n", map[0], map[1], map[2], map[3]); */
894
895 if (srcComponents == dstComponents &&
896 srcRowStride == dstRowStride &&
897 srcRowStride == srcWidth * srcComponents &&
898 dimensions < 3) {
899 /* 1 and 2D images only */
900 GLubyte *dstImage = (GLubyte *) dstAddr
901 + dstYoffset * dstRowStride
902 + dstXoffset * dstComponents;
903 swizzle_copy(dstImage, dstComponents, srcImage, srcComponents, map,
904 srcWidth * srcHeight);
905 }
906 else {
907 GLint img, row;
908 for (img = 0; img < srcDepth; img++) {
909 const GLubyte *srcRow = srcImage;
910 GLubyte *dstRow = (GLubyte *) dstAddr
911 + dstImageOffsets[dstZoffset + img] * dstComponents
912 + dstYoffset * dstRowStride
913 + dstXoffset * dstComponents;
914 for (row = 0; row < srcHeight; row++) {
915 swizzle_copy(dstRow, dstComponents, srcRow, srcComponents, map, srcWidth);
916 dstRow += dstRowStride;
917 srcRow += srcRowStride;
918 }
919 srcImage += srcImageStride;
920 }
921 }
922 }
923
924
925 /**
926 * Teximage storage routine for when a simple memcpy will do.
927 * No pixel transfer operations or special texel encodings allowed.
928 * 1D, 2D and 3D images supported.
929 */
930 static void
931 memcpy_texture(struct gl_context *ctx,
932 GLuint dimensions,
933 gl_format dstFormat,
934 GLvoid *dstAddr,
935 GLint dstXoffset, GLint dstYoffset, GLint dstZoffset,
936 GLint dstRowStride,
937 const GLuint *dstImageOffsets,
938 GLint srcWidth, GLint srcHeight, GLint srcDepth,
939 GLenum srcFormat, GLenum srcType,
940 const GLvoid *srcAddr,
941 const struct gl_pixelstore_attrib *srcPacking)
942 {
943 const GLint srcRowStride = _mesa_image_row_stride(srcPacking, srcWidth,
944 srcFormat, srcType);
945 const GLint srcImageStride = _mesa_image_image_stride(srcPacking,
946 srcWidth, srcHeight, srcFormat, srcType);
947 const GLubyte *srcImage = (const GLubyte *) _mesa_image_address(dimensions,
948 srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, 0, 0, 0);
949 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
950 const GLint bytesPerRow = srcWidth * texelBytes;
951
952 #if 0
953 /* XXX update/re-enable for dstImageOffsets array */
954 const GLint bytesPerImage = srcHeight * bytesPerRow;
955 const GLint bytesPerTexture = srcDepth * bytesPerImage;
956 GLubyte *dstImage = (GLubyte *) dstAddr
957 + dstZoffset * dstImageStride
958 + dstYoffset * dstRowStride
959 + dstXoffset * texelBytes;
960
961 if (dstRowStride == srcRowStride &&
962 dstRowStride == bytesPerRow &&
963 ((dstImageStride == srcImageStride &&
964 dstImageStride == bytesPerImage) ||
965 (srcDepth == 1))) {
966 /* one big memcpy */
967 ctx->Driver.TextureMemCpy(dstImage, srcImage, bytesPerTexture);
968 }
969 else
970 {
971 GLint img, row;
972 for (img = 0; img < srcDepth; img++) {
973 const GLubyte *srcRow = srcImage;
974 GLubyte *dstRow = dstImage;
975 for (row = 0; row < srcHeight; row++) {
976 ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);
977 dstRow += dstRowStride;
978 srcRow += srcRowStride;
979 }
980 srcImage += srcImageStride;
981 dstImage += dstImageStride;
982 }
983 }
984 #endif
985
986 GLint img, row;
987 for (img = 0; img < srcDepth; img++) {
988 const GLubyte *srcRow = srcImage;
989 GLubyte *dstRow = (GLubyte *) dstAddr
990 + dstImageOffsets[dstZoffset + img] * texelBytes
991 + dstYoffset * dstRowStride
992 + dstXoffset * texelBytes;
993 for (row = 0; row < srcHeight; row++) {
994 ctx->Driver.TextureMemCpy(dstRow, srcRow, bytesPerRow);
995 dstRow += dstRowStride;
996 srcRow += srcRowStride;
997 }
998 srcImage += srcImageStride;
999 }
1000 }
1001
1002
1003
1004 /**
1005 * Store a 32-bit integer depth component texture image.
1006 */
1007 static GLboolean
1008 _mesa_texstore_z32(TEXSTORE_PARAMS)
1009 {
1010 const GLuint depthScale = 0xffffffff;
1011 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1012 (void) dims;
1013 ASSERT(dstFormat == MESA_FORMAT_Z32);
1014 ASSERT(texelBytes == sizeof(GLuint));
1015
1016 if (ctx->Pixel.DepthScale == 1.0f &&
1017 ctx->Pixel.DepthBias == 0.0f &&
1018 !srcPacking->SwapBytes &&
1019 baseInternalFormat == GL_DEPTH_COMPONENT &&
1020 srcFormat == GL_DEPTH_COMPONENT &&
1021 srcType == GL_UNSIGNED_INT) {
1022 /* simple memcpy path */
1023 memcpy_texture(ctx, dims,
1024 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1025 dstRowStride,
1026 dstImageOffsets,
1027 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1028 srcAddr, srcPacking);
1029 }
1030 else {
1031 /* general path */
1032 GLint img, row;
1033 for (img = 0; img < srcDepth; img++) {
1034 GLubyte *dstRow = (GLubyte *) dstAddr
1035 + dstImageOffsets[dstZoffset + img] * texelBytes
1036 + dstYoffset * dstRowStride
1037 + dstXoffset * texelBytes;
1038 for (row = 0; row < srcHeight; row++) {
1039 const GLvoid *src = _mesa_image_address(dims, srcPacking,
1040 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
1041 _mesa_unpack_depth_span(ctx, srcWidth,
1042 GL_UNSIGNED_INT, (GLuint *) dstRow,
1043 depthScale, srcType, src, srcPacking);
1044 dstRow += dstRowStride;
1045 }
1046 }
1047 }
1048 return GL_TRUE;
1049 }
1050
1051
1052 /**
1053 * Store a 24-bit integer depth component texture image.
1054 */
1055 static GLboolean
1056 _mesa_texstore_x8_z24(TEXSTORE_PARAMS)
1057 {
1058 const GLuint depthScale = 0xffffff;
1059 const GLuint texelBytes = 4;
1060
1061 (void) dims;
1062 ASSERT(dstFormat == MESA_FORMAT_X8_Z24);
1063
1064 {
1065 /* general path */
1066 GLint img, row;
1067 for (img = 0; img < srcDepth; img++) {
1068 GLubyte *dstRow = (GLubyte *) dstAddr
1069 + dstImageOffsets[dstZoffset + img] * texelBytes
1070 + dstYoffset * dstRowStride
1071 + dstXoffset * texelBytes;
1072 for (row = 0; row < srcHeight; row++) {
1073 const GLvoid *src = _mesa_image_address(dims, srcPacking,
1074 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
1075 _mesa_unpack_depth_span(ctx, srcWidth,
1076 GL_UNSIGNED_INT, (GLuint *) dstRow,
1077 depthScale, srcType, src, srcPacking);
1078 dstRow += dstRowStride;
1079 }
1080 }
1081 }
1082 return GL_TRUE;
1083 }
1084
1085
1086 /**
1087 * Store a 24-bit integer depth component texture image.
1088 */
1089 static GLboolean
1090 _mesa_texstore_z24_x8(TEXSTORE_PARAMS)
1091 {
1092 const GLuint depthScale = 0xffffff;
1093 const GLuint texelBytes = 4;
1094
1095 (void) dims;
1096 ASSERT(dstFormat == MESA_FORMAT_Z24_X8);
1097
1098 {
1099 /* general path */
1100 GLint img, row;
1101 for (img = 0; img < srcDepth; img++) {
1102 GLubyte *dstRow = (GLubyte *) dstAddr
1103 + dstImageOffsets[dstZoffset + img] * texelBytes
1104 + dstYoffset * dstRowStride
1105 + dstXoffset * texelBytes;
1106 for (row = 0; row < srcHeight; row++) {
1107 const GLvoid *src = _mesa_image_address(dims, srcPacking,
1108 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
1109 GLuint *dst = (GLuint *) dstRow;
1110 GLint i;
1111 _mesa_unpack_depth_span(ctx, srcWidth,
1112 GL_UNSIGNED_INT, dst,
1113 depthScale, srcType, src, srcPacking);
1114 for (i = 0; i < srcWidth; i++)
1115 dst[i] <<= 8;
1116 dstRow += dstRowStride;
1117 }
1118 }
1119 }
1120 return GL_TRUE;
1121 }
1122
1123
1124 /**
1125 * Store a 16-bit integer depth component texture image.
1126 */
1127 static GLboolean
1128 _mesa_texstore_z16(TEXSTORE_PARAMS)
1129 {
1130 const GLuint depthScale = 0xffff;
1131 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1132 (void) dims;
1133 ASSERT(dstFormat == MESA_FORMAT_Z16);
1134 ASSERT(texelBytes == sizeof(GLushort));
1135
1136 if (ctx->Pixel.DepthScale == 1.0f &&
1137 ctx->Pixel.DepthBias == 0.0f &&
1138 !srcPacking->SwapBytes &&
1139 baseInternalFormat == GL_DEPTH_COMPONENT &&
1140 srcFormat == GL_DEPTH_COMPONENT &&
1141 srcType == GL_UNSIGNED_SHORT) {
1142 /* simple memcpy path */
1143 memcpy_texture(ctx, dims,
1144 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1145 dstRowStride,
1146 dstImageOffsets,
1147 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1148 srcAddr, srcPacking);
1149 }
1150 else {
1151 /* general path */
1152 GLint img, row;
1153 for (img = 0; img < srcDepth; img++) {
1154 GLubyte *dstRow = (GLubyte *) dstAddr
1155 + dstImageOffsets[dstZoffset + img] * texelBytes
1156 + dstYoffset * dstRowStride
1157 + dstXoffset * texelBytes;
1158 for (row = 0; row < srcHeight; row++) {
1159 const GLvoid *src = _mesa_image_address(dims, srcPacking,
1160 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
1161 GLushort *dst16 = (GLushort *) dstRow;
1162 _mesa_unpack_depth_span(ctx, srcWidth,
1163 GL_UNSIGNED_SHORT, dst16, depthScale,
1164 srcType, src, srcPacking);
1165 dstRow += dstRowStride;
1166 }
1167 }
1168 }
1169 return GL_TRUE;
1170 }
1171
1172
1173 /**
1174 * Store an rgb565 or rgb565_rev texture image.
1175 */
1176 static GLboolean
1177 _mesa_texstore_rgb565(TEXSTORE_PARAMS)
1178 {
1179 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1180 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1181
1182 ASSERT(dstFormat == MESA_FORMAT_RGB565 ||
1183 dstFormat == MESA_FORMAT_RGB565_REV);
1184 ASSERT(texelBytes == 2);
1185
1186 if (!ctx->_ImageTransferState &&
1187 !srcPacking->SwapBytes &&
1188 dstFormat == MESA_FORMAT_RGB565 &&
1189 baseInternalFormat == GL_RGB &&
1190 srcFormat == GL_RGB &&
1191 srcType == GL_UNSIGNED_SHORT_5_6_5) {
1192 /* simple memcpy path */
1193 memcpy_texture(ctx, dims,
1194 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1195 dstRowStride,
1196 dstImageOffsets,
1197 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1198 srcAddr, srcPacking);
1199 }
1200 else if (!ctx->_ImageTransferState &&
1201 !srcPacking->SwapBytes &&
1202 baseInternalFormat == GL_RGB &&
1203 srcFormat == GL_RGB &&
1204 srcType == GL_UNSIGNED_BYTE &&
1205 dims == 2) {
1206 /* do optimized tex store */
1207 const GLint srcRowStride =
1208 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1209 const GLubyte *src = (const GLubyte *)
1210 _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight,
1211 srcFormat, srcType, 0, 0, 0);
1212 GLubyte *dst = (GLubyte *) dstAddr
1213 + dstYoffset * dstRowStride
1214 + dstXoffset * texelBytes;
1215 GLint row, col;
1216 for (row = 0; row < srcHeight; row++) {
1217 const GLubyte *srcUB = (const GLubyte *) src;
1218 GLushort *dstUS = (GLushort *) dst;
1219 /* check for byteswapped format */
1220 if (dstFormat == MESA_FORMAT_RGB565) {
1221 for (col = 0; col < srcWidth; col++) {
1222 dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] );
1223 srcUB += 3;
1224 }
1225 }
1226 else {
1227 for (col = 0; col < srcWidth; col++) {
1228 dstUS[col] = PACK_COLOR_565_REV( srcUB[0], srcUB[1], srcUB[2] );
1229 srcUB += 3;
1230 }
1231 }
1232 dst += dstRowStride;
1233 src += srcRowStride;
1234 }
1235 }
1236 else {
1237 /* general path */
1238 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1239 baseInternalFormat,
1240 baseFormat,
1241 srcWidth, srcHeight, srcDepth,
1242 srcFormat, srcType, srcAddr,
1243 srcPacking);
1244 const GLchan *src = tempImage;
1245 GLint img, row, col;
1246 if (!tempImage)
1247 return GL_FALSE;
1248 for (img = 0; img < srcDepth; img++) {
1249 GLubyte *dstRow = (GLubyte *) dstAddr
1250 + dstImageOffsets[dstZoffset + img] * texelBytes
1251 + dstYoffset * dstRowStride
1252 + dstXoffset * texelBytes;
1253 for (row = 0; row < srcHeight; row++) {
1254 GLushort *dstUS = (GLushort *) dstRow;
1255 /* check for byteswapped format */
1256 if (dstFormat == MESA_FORMAT_RGB565) {
1257 for (col = 0; col < srcWidth; col++) {
1258 dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]),
1259 CHAN_TO_UBYTE(src[GCOMP]),
1260 CHAN_TO_UBYTE(src[BCOMP]) );
1261 src += 3;
1262 }
1263 }
1264 else {
1265 for (col = 0; col < srcWidth; col++) {
1266 dstUS[col] = PACK_COLOR_565_REV( CHAN_TO_UBYTE(src[RCOMP]),
1267 CHAN_TO_UBYTE(src[GCOMP]),
1268 CHAN_TO_UBYTE(src[BCOMP]) );
1269 src += 3;
1270 }
1271 }
1272 dstRow += dstRowStride;
1273 }
1274 }
1275 free((void *) tempImage);
1276 }
1277 return GL_TRUE;
1278 }
1279
1280
1281 /**
1282 * Store a texture in MESA_FORMAT_RGBA8888 or MESA_FORMAT_RGBA8888_REV.
1283 */
1284 static GLboolean
1285 _mesa_texstore_rgba8888(TEXSTORE_PARAMS)
1286 {
1287 const GLboolean littleEndian = _mesa_little_endian();
1288 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1289 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1290
1291 ASSERT(dstFormat == MESA_FORMAT_RGBA8888 ||
1292 dstFormat == MESA_FORMAT_RGBA8888_REV);
1293 ASSERT(texelBytes == 4);
1294
1295 if (!ctx->_ImageTransferState &&
1296 !srcPacking->SwapBytes &&
1297 dstFormat == MESA_FORMAT_RGBA8888 &&
1298 baseInternalFormat == GL_RGBA &&
1299 ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
1300 (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
1301 (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
1302 (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && littleEndian))) {
1303 /* simple memcpy path */
1304 memcpy_texture(ctx, dims,
1305 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1306 dstRowStride,
1307 dstImageOffsets,
1308 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1309 srcAddr, srcPacking);
1310 }
1311 else if (!ctx->_ImageTransferState &&
1312 !srcPacking->SwapBytes &&
1313 dstFormat == MESA_FORMAT_RGBA8888_REV &&
1314 baseInternalFormat == GL_RGBA &&
1315 ((srcFormat == GL_RGBA && srcType == GL_UNSIGNED_INT_8_8_8_8_REV) ||
1316 (srcFormat == GL_RGBA && srcType == GL_UNSIGNED_BYTE && littleEndian) ||
1317 (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_INT_8_8_8_8) ||
1318 (srcFormat == GL_ABGR_EXT && srcType == GL_UNSIGNED_BYTE && !littleEndian))) {
1319 /* simple memcpy path */
1320 memcpy_texture(ctx, dims,
1321 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1322 dstRowStride,
1323 dstImageOffsets,
1324 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1325 srcAddr, srcPacking);
1326 }
1327 else if (!ctx->_ImageTransferState &&
1328 (srcType == GL_UNSIGNED_BYTE ||
1329 srcType == GL_UNSIGNED_INT_8_8_8_8 ||
1330 srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&
1331 can_swizzle(baseInternalFormat) &&
1332 can_swizzle(srcFormat)) {
1333
1334 GLubyte dstmap[4];
1335
1336 /* dstmap - how to swizzle from RGBA to dst format:
1337 */
1338 if ((littleEndian && dstFormat == MESA_FORMAT_RGBA8888) ||
1339 (!littleEndian && dstFormat == MESA_FORMAT_RGBA8888_REV)) {
1340 dstmap[3] = 0;
1341 dstmap[2] = 1;
1342 dstmap[1] = 2;
1343 dstmap[0] = 3;
1344 }
1345 else {
1346 dstmap[3] = 3;
1347 dstmap[2] = 2;
1348 dstmap[1] = 1;
1349 dstmap[0] = 0;
1350 }
1351
1352 _mesa_swizzle_ubyte_image(ctx, dims,
1353 srcFormat,
1354 srcType,
1355 baseInternalFormat,
1356 dstmap, 4,
1357 dstAddr, dstXoffset, dstYoffset, dstZoffset,
1358 dstRowStride, dstImageOffsets,
1359 srcWidth, srcHeight, srcDepth, srcAddr,
1360 srcPacking);
1361 }
1362 else {
1363 /* general path */
1364 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1365 baseInternalFormat,
1366 baseFormat,
1367 srcWidth, srcHeight, srcDepth,
1368 srcFormat, srcType, srcAddr,
1369 srcPacking);
1370 const GLchan *src = tempImage;
1371 GLint img, row, col;
1372 if (!tempImage)
1373 return GL_FALSE;
1374 for (img = 0; img < srcDepth; img++) {
1375 GLubyte *dstRow = (GLubyte *) dstAddr
1376 + dstImageOffsets[dstZoffset + img] * texelBytes
1377 + dstYoffset * dstRowStride
1378 + dstXoffset * texelBytes;
1379 for (row = 0; row < srcHeight; row++) {
1380 GLuint *dstUI = (GLuint *) dstRow;
1381 if (dstFormat == MESA_FORMAT_RGBA8888) {
1382 for (col = 0; col < srcWidth; col++) {
1383 dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]),
1384 CHAN_TO_UBYTE(src[GCOMP]),
1385 CHAN_TO_UBYTE(src[BCOMP]),
1386 CHAN_TO_UBYTE(src[ACOMP]) );
1387 src += 4;
1388 }
1389 }
1390 else {
1391 for (col = 0; col < srcWidth; col++) {
1392 dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[RCOMP]),
1393 CHAN_TO_UBYTE(src[GCOMP]),
1394 CHAN_TO_UBYTE(src[BCOMP]),
1395 CHAN_TO_UBYTE(src[ACOMP]) );
1396 src += 4;
1397 }
1398 }
1399 dstRow += dstRowStride;
1400 }
1401 }
1402 free((void *) tempImage);
1403 }
1404 return GL_TRUE;
1405 }
1406
1407
1408 static GLboolean
1409 _mesa_texstore_argb8888(TEXSTORE_PARAMS)
1410 {
1411 const GLboolean littleEndian = _mesa_little_endian();
1412 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1413 const GLenum baseFormat = GL_RGBA;
1414
1415 ASSERT(dstFormat == MESA_FORMAT_ARGB8888 ||
1416 dstFormat == MESA_FORMAT_ARGB8888_REV ||
1417 dstFormat == MESA_FORMAT_XRGB8888 ||
1418 dstFormat == MESA_FORMAT_XRGB8888_REV );
1419 ASSERT(texelBytes == 4);
1420
1421 if (!ctx->_ImageTransferState &&
1422 !srcPacking->SwapBytes &&
1423 (dstFormat == MESA_FORMAT_ARGB8888 ||
1424 dstFormat == MESA_FORMAT_XRGB8888) &&
1425 baseInternalFormat == GL_RGBA &&
1426 srcFormat == GL_BGRA &&
1427 ((srcType == GL_UNSIGNED_BYTE && littleEndian) ||
1428 srcType == GL_UNSIGNED_INT_8_8_8_8_REV)) {
1429 /* simple memcpy path (little endian) */
1430 memcpy_texture(ctx, dims,
1431 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1432 dstRowStride,
1433 dstImageOffsets,
1434 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1435 srcAddr, srcPacking);
1436 }
1437 else if (!ctx->_ImageTransferState &&
1438 !srcPacking->SwapBytes &&
1439 (dstFormat == MESA_FORMAT_ARGB8888_REV ||
1440 dstFormat == MESA_FORMAT_XRGB8888_REV) &&
1441 baseInternalFormat == GL_RGBA &&
1442 srcFormat == GL_BGRA &&
1443 ((srcType == GL_UNSIGNED_BYTE && !littleEndian) ||
1444 srcType == GL_UNSIGNED_INT_8_8_8_8)) {
1445 /* simple memcpy path (big endian) */
1446 memcpy_texture(ctx, dims,
1447 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1448 dstRowStride,
1449 dstImageOffsets,
1450 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1451 srcAddr, srcPacking);
1452 }
1453 else if (!ctx->_ImageTransferState &&
1454 !srcPacking->SwapBytes &&
1455 (dstFormat == MESA_FORMAT_ARGB8888 ||
1456 dstFormat == MESA_FORMAT_XRGB8888) &&
1457 srcFormat == GL_RGB &&
1458 (baseInternalFormat == GL_RGBA ||
1459 baseInternalFormat == GL_RGB) &&
1460 srcType == GL_UNSIGNED_BYTE) {
1461 int img, row, col;
1462 for (img = 0; img < srcDepth; img++) {
1463 const GLint srcRowStride =
1464 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1465 GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
1466 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
1467 GLubyte *dstRow = (GLubyte *) dstAddr
1468 + dstImageOffsets[dstZoffset + img] * texelBytes
1469 + dstYoffset * dstRowStride
1470 + dstXoffset * texelBytes;
1471 for (row = 0; row < srcHeight; row++) {
1472 GLuint *d4 = (GLuint *) dstRow;
1473 for (col = 0; col < srcWidth; col++) {
1474 d4[col] = PACK_COLOR_8888(0xff,
1475 srcRow[col * 3 + RCOMP],
1476 srcRow[col * 3 + GCOMP],
1477 srcRow[col * 3 + BCOMP]);
1478 }
1479 dstRow += dstRowStride;
1480 srcRow += srcRowStride;
1481 }
1482 }
1483 }
1484 else if (!ctx->_ImageTransferState &&
1485 !srcPacking->SwapBytes &&
1486 dstFormat == MESA_FORMAT_ARGB8888 &&
1487 srcFormat == GL_RGBA &&
1488 baseInternalFormat == GL_RGBA &&
1489 srcType == GL_UNSIGNED_BYTE) {
1490 /* same as above case, but src data has alpha too */
1491 GLint img, row, col;
1492 /* For some reason, streaming copies to write-combined regions
1493 * are extremely sensitive to the characteristics of how the
1494 * source data is retrieved. By reordering the source reads to
1495 * be in-order, the speed of this operation increases by half.
1496 * Strangely the same isn't required for the RGB path, above.
1497 */
1498 for (img = 0; img < srcDepth; img++) {
1499 const GLint srcRowStride =
1500 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1501 GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
1502 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
1503 GLubyte *dstRow = (GLubyte *) dstAddr
1504 + dstImageOffsets[dstZoffset + img] * texelBytes
1505 + dstYoffset * dstRowStride
1506 + dstXoffset * texelBytes;
1507 for (row = 0; row < srcHeight; row++) {
1508 GLuint *d4 = (GLuint *) dstRow;
1509 for (col = 0; col < srcWidth; col++) {
1510 d4[col] = PACK_COLOR_8888(srcRow[col * 4 + ACOMP],
1511 srcRow[col * 4 + RCOMP],
1512 srcRow[col * 4 + GCOMP],
1513 srcRow[col * 4 + BCOMP]);
1514 }
1515 dstRow += dstRowStride;
1516 srcRow += srcRowStride;
1517 }
1518 }
1519 }
1520 else if (!ctx->_ImageTransferState &&
1521 (srcType == GL_UNSIGNED_BYTE ||
1522 srcType == GL_UNSIGNED_INT_8_8_8_8 ||
1523 srcType == GL_UNSIGNED_INT_8_8_8_8_REV) &&
1524 can_swizzle(baseInternalFormat) &&
1525 can_swizzle(srcFormat)) {
1526
1527 GLubyte dstmap[4];
1528
1529 /* dstmap - how to swizzle from RGBA to dst format:
1530 */
1531 if ((littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
1532 (littleEndian && dstFormat == MESA_FORMAT_XRGB8888) ||
1533 (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
1534 (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV)) {
1535 dstmap[3] = 3; /* alpha */
1536 dstmap[2] = 0; /* red */
1537 dstmap[1] = 1; /* green */
1538 dstmap[0] = 2; /* blue */
1539 }
1540 else {
1541 assert((littleEndian && dstFormat == MESA_FORMAT_ARGB8888_REV) ||
1542 (!littleEndian && dstFormat == MESA_FORMAT_ARGB8888) ||
1543 (littleEndian && dstFormat == MESA_FORMAT_XRGB8888_REV) ||
1544 (!littleEndian && dstFormat == MESA_FORMAT_XRGB8888));
1545 dstmap[3] = 2;
1546 dstmap[2] = 1;
1547 dstmap[1] = 0;
1548 dstmap[0] = 3;
1549 }
1550
1551 _mesa_swizzle_ubyte_image(ctx, dims,
1552 srcFormat,
1553 srcType,
1554 baseInternalFormat,
1555 dstmap, 4,
1556 dstAddr, dstXoffset, dstYoffset, dstZoffset,
1557 dstRowStride,
1558 dstImageOffsets,
1559 srcWidth, srcHeight, srcDepth, srcAddr,
1560 srcPacking);
1561 }
1562 else {
1563 /* general path */
1564 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1565 baseInternalFormat,
1566 baseFormat,
1567 srcWidth, srcHeight, srcDepth,
1568 srcFormat, srcType, srcAddr,
1569 srcPacking);
1570 const GLchan *src = tempImage;
1571 GLint img, row, col;
1572 if (!tempImage)
1573 return GL_FALSE;
1574 for (img = 0; img < srcDepth; img++) {
1575 GLubyte *dstRow = (GLubyte *) dstAddr
1576 + dstImageOffsets[dstZoffset + img] * texelBytes
1577 + dstYoffset * dstRowStride
1578 + dstXoffset * texelBytes;
1579 for (row = 0; row < srcHeight; row++) {
1580 GLuint *dstUI = (GLuint *) dstRow;
1581 if (dstFormat == MESA_FORMAT_ARGB8888) {
1582 for (col = 0; col < srcWidth; col++) {
1583 dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]),
1584 CHAN_TO_UBYTE(src[RCOMP]),
1585 CHAN_TO_UBYTE(src[GCOMP]),
1586 CHAN_TO_UBYTE(src[BCOMP]) );
1587 src += 4;
1588 }
1589 }
1590 else if (dstFormat == MESA_FORMAT_XRGB8888) {
1591 for (col = 0; col < srcWidth; col++) {
1592 dstUI[col] = PACK_COLOR_8888( 0xff,
1593 CHAN_TO_UBYTE(src[RCOMP]),
1594 CHAN_TO_UBYTE(src[GCOMP]),
1595 CHAN_TO_UBYTE(src[BCOMP]) );
1596 src += 4;
1597 }
1598 }
1599 else {
1600 for (col = 0; col < srcWidth; col++) {
1601 dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]),
1602 CHAN_TO_UBYTE(src[RCOMP]),
1603 CHAN_TO_UBYTE(src[GCOMP]),
1604 CHAN_TO_UBYTE(src[BCOMP]) );
1605 src += 4;
1606 }
1607 }
1608 dstRow += dstRowStride;
1609 }
1610 }
1611 free((void *) tempImage);
1612 }
1613 return GL_TRUE;
1614 }
1615
1616
1617 static GLboolean
1618 _mesa_texstore_rgb888(TEXSTORE_PARAMS)
1619 {
1620 const GLboolean littleEndian = _mesa_little_endian();
1621 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1622 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1623
1624 ASSERT(dstFormat == MESA_FORMAT_RGB888);
1625 ASSERT(texelBytes == 3);
1626
1627 if (!ctx->_ImageTransferState &&
1628 !srcPacking->SwapBytes &&
1629 baseInternalFormat == GL_RGB &&
1630 srcFormat == GL_BGR &&
1631 srcType == GL_UNSIGNED_BYTE &&
1632 littleEndian) {
1633 /* simple memcpy path */
1634 memcpy_texture(ctx, dims,
1635 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1636 dstRowStride,
1637 dstImageOffsets,
1638 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1639 srcAddr, srcPacking);
1640 }
1641 else if (!ctx->_ImageTransferState &&
1642 !srcPacking->SwapBytes &&
1643 srcFormat == GL_RGBA &&
1644 srcType == GL_UNSIGNED_BYTE) {
1645 /* extract RGB from RGBA */
1646 GLint img, row, col;
1647 for (img = 0; img < srcDepth; img++) {
1648 const GLint srcRowStride =
1649 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1650 GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
1651 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
1652 GLubyte *dstRow = (GLubyte *) dstAddr
1653 + dstImageOffsets[dstZoffset + img] * texelBytes
1654 + dstYoffset * dstRowStride
1655 + dstXoffset * texelBytes;
1656 for (row = 0; row < srcHeight; row++) {
1657 for (col = 0; col < srcWidth; col++) {
1658 dstRow[col * 3 + 0] = srcRow[col * 4 + BCOMP];
1659 dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP];
1660 dstRow[col * 3 + 2] = srcRow[col * 4 + RCOMP];
1661 }
1662 dstRow += dstRowStride;
1663 srcRow += srcRowStride;
1664 }
1665 }
1666 }
1667 else if (!ctx->_ImageTransferState &&
1668 srcType == GL_UNSIGNED_BYTE &&
1669 can_swizzle(baseInternalFormat) &&
1670 can_swizzle(srcFormat)) {
1671
1672 GLubyte dstmap[4];
1673
1674 /* dstmap - how to swizzle from RGBA to dst format:
1675 */
1676 dstmap[0] = 2;
1677 dstmap[1] = 1;
1678 dstmap[2] = 0;
1679 dstmap[3] = ONE; /* ? */
1680
1681 _mesa_swizzle_ubyte_image(ctx, dims,
1682 srcFormat,
1683 srcType,
1684 baseInternalFormat,
1685 dstmap, 3,
1686 dstAddr, dstXoffset, dstYoffset, dstZoffset,
1687 dstRowStride, dstImageOffsets,
1688 srcWidth, srcHeight, srcDepth, srcAddr,
1689 srcPacking);
1690 }
1691 else {
1692 /* general path */
1693 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1694 baseInternalFormat,
1695 baseFormat,
1696 srcWidth, srcHeight, srcDepth,
1697 srcFormat, srcType, srcAddr,
1698 srcPacking);
1699 const GLchan *src = (const GLchan *) tempImage;
1700 GLint img, row, col;
1701 if (!tempImage)
1702 return GL_FALSE;
1703 for (img = 0; img < srcDepth; img++) {
1704 GLubyte *dstRow = (GLubyte *) dstAddr
1705 + dstImageOffsets[dstZoffset + img] * texelBytes
1706 + dstYoffset * dstRowStride
1707 + dstXoffset * texelBytes;
1708 for (row = 0; row < srcHeight; row++) {
1709 #if 0
1710 if (littleEndian) {
1711 for (col = 0; col < srcWidth; col++) {
1712 dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
1713 dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
1714 dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);
1715 srcUB += 3;
1716 }
1717 }
1718 else {
1719 for (col = 0; col < srcWidth; col++) {
1720 dstRow[col * 3 + 0] = srcUB[BCOMP];
1721 dstRow[col * 3 + 1] = srcUB[GCOMP];
1722 dstRow[col * 3 + 2] = srcUB[RCOMP];
1723 srcUB += 3;
1724 }
1725 }
1726 #else
1727 for (col = 0; col < srcWidth; col++) {
1728 dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[BCOMP]);
1729 dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
1730 dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[RCOMP]);
1731 src += 3;
1732 }
1733 #endif
1734 dstRow += dstRowStride;
1735 }
1736 }
1737 free((void *) tempImage);
1738 }
1739 return GL_TRUE;
1740 }
1741
1742
1743 static GLboolean
1744 _mesa_texstore_bgr888(TEXSTORE_PARAMS)
1745 {
1746 const GLboolean littleEndian = _mesa_little_endian();
1747 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1748 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1749
1750 ASSERT(dstFormat == MESA_FORMAT_BGR888);
1751 ASSERT(texelBytes == 3);
1752
1753 if (!ctx->_ImageTransferState &&
1754 !srcPacking->SwapBytes &&
1755 baseInternalFormat == GL_RGB &&
1756 srcFormat == GL_RGB &&
1757 srcType == GL_UNSIGNED_BYTE &&
1758 littleEndian) {
1759 /* simple memcpy path */
1760 memcpy_texture(ctx, dims,
1761 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1762 dstRowStride,
1763 dstImageOffsets,
1764 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1765 srcAddr, srcPacking);
1766 }
1767 else if (!ctx->_ImageTransferState &&
1768 !srcPacking->SwapBytes &&
1769 srcFormat == GL_RGBA &&
1770 srcType == GL_UNSIGNED_BYTE) {
1771 /* extract BGR from RGBA */
1772 int img, row, col;
1773 for (img = 0; img < srcDepth; img++) {
1774 const GLint srcRowStride =
1775 _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType);
1776 GLubyte *srcRow = (GLubyte *) _mesa_image_address(dims, srcPacking,
1777 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, 0, 0);
1778 GLubyte *dstRow = (GLubyte *) dstAddr
1779 + dstImageOffsets[dstZoffset + img] * texelBytes
1780 + dstYoffset * dstRowStride
1781 + dstXoffset * texelBytes;
1782 for (row = 0; row < srcHeight; row++) {
1783 for (col = 0; col < srcWidth; col++) {
1784 dstRow[col * 3 + 0] = srcRow[col * 4 + RCOMP];
1785 dstRow[col * 3 + 1] = srcRow[col * 4 + GCOMP];
1786 dstRow[col * 3 + 2] = srcRow[col * 4 + BCOMP];
1787 }
1788 dstRow += dstRowStride;
1789 srcRow += srcRowStride;
1790 }
1791 }
1792 }
1793 else if (!ctx->_ImageTransferState &&
1794 srcType == GL_UNSIGNED_BYTE &&
1795 can_swizzle(baseInternalFormat) &&
1796 can_swizzle(srcFormat)) {
1797
1798 GLubyte dstmap[4];
1799
1800 /* dstmap - how to swizzle from RGBA to dst format:
1801 */
1802 dstmap[0] = 0;
1803 dstmap[1] = 1;
1804 dstmap[2] = 2;
1805 dstmap[3] = ONE; /* ? */
1806
1807 _mesa_swizzle_ubyte_image(ctx, dims,
1808 srcFormat,
1809 srcType,
1810 baseInternalFormat,
1811 dstmap, 3,
1812 dstAddr, dstXoffset, dstYoffset, dstZoffset,
1813 dstRowStride, dstImageOffsets,
1814 srcWidth, srcHeight, srcDepth, srcAddr,
1815 srcPacking);
1816 }
1817 else {
1818 /* general path */
1819 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1820 baseInternalFormat,
1821 baseFormat,
1822 srcWidth, srcHeight, srcDepth,
1823 srcFormat, srcType, srcAddr,
1824 srcPacking);
1825 const GLchan *src = (const GLchan *) tempImage;
1826 GLint img, row, col;
1827 if (!tempImage)
1828 return GL_FALSE;
1829 for (img = 0; img < srcDepth; img++) {
1830 GLubyte *dstRow = (GLubyte *) dstAddr
1831 + dstImageOffsets[dstZoffset + img] * texelBytes
1832 + dstYoffset * dstRowStride
1833 + dstXoffset * texelBytes;
1834 for (row = 0; row < srcHeight; row++) {
1835 for (col = 0; col < srcWidth; col++) {
1836 dstRow[col * 3 + 0] = CHAN_TO_UBYTE(src[RCOMP]);
1837 dstRow[col * 3 + 1] = CHAN_TO_UBYTE(src[GCOMP]);
1838 dstRow[col * 3 + 2] = CHAN_TO_UBYTE(src[BCOMP]);
1839 src += 3;
1840 }
1841 dstRow += dstRowStride;
1842 }
1843 }
1844 free((void *) tempImage);
1845 }
1846 return GL_TRUE;
1847 }
1848
1849
1850 static GLboolean
1851 _mesa_texstore_argb4444(TEXSTORE_PARAMS)
1852 {
1853 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1854 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1855
1856 ASSERT(dstFormat == MESA_FORMAT_ARGB4444 ||
1857 dstFormat == MESA_FORMAT_ARGB4444_REV);
1858 ASSERT(texelBytes == 2);
1859
1860 if (!ctx->_ImageTransferState &&
1861 !srcPacking->SwapBytes &&
1862 dstFormat == MESA_FORMAT_ARGB4444 &&
1863 baseInternalFormat == GL_RGBA &&
1864 srcFormat == GL_BGRA &&
1865 srcType == GL_UNSIGNED_SHORT_4_4_4_4_REV) {
1866 /* simple memcpy path */
1867 memcpy_texture(ctx, dims,
1868 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1869 dstRowStride,
1870 dstImageOffsets,
1871 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1872 srcAddr, srcPacking);
1873 }
1874 else {
1875 /* general path */
1876 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1877 baseInternalFormat,
1878 baseFormat,
1879 srcWidth, srcHeight, srcDepth,
1880 srcFormat, srcType, srcAddr,
1881 srcPacking);
1882 const GLchan *src = tempImage;
1883 GLint img, row, col;
1884 if (!tempImage)
1885 return GL_FALSE;
1886 for (img = 0; img < srcDepth; img++) {
1887 GLubyte *dstRow = (GLubyte *) dstAddr
1888 + dstImageOffsets[dstZoffset + img] * texelBytes
1889 + dstYoffset * dstRowStride
1890 + dstXoffset * texelBytes;
1891 for (row = 0; row < srcHeight; row++) {
1892 GLushort *dstUS = (GLushort *) dstRow;
1893 if (dstFormat == MESA_FORMAT_ARGB4444) {
1894 for (col = 0; col < srcWidth; col++) {
1895 dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]),
1896 CHAN_TO_UBYTE(src[RCOMP]),
1897 CHAN_TO_UBYTE(src[GCOMP]),
1898 CHAN_TO_UBYTE(src[BCOMP]) );
1899 src += 4;
1900 }
1901 }
1902 else {
1903 for (col = 0; col < srcWidth; col++) {
1904 dstUS[col] = PACK_COLOR_4444_REV( CHAN_TO_UBYTE(src[ACOMP]),
1905 CHAN_TO_UBYTE(src[RCOMP]),
1906 CHAN_TO_UBYTE(src[GCOMP]),
1907 CHAN_TO_UBYTE(src[BCOMP]) );
1908 src += 4;
1909 }
1910 }
1911 dstRow += dstRowStride;
1912 }
1913 }
1914 free((void *) tempImage);
1915 }
1916 return GL_TRUE;
1917 }
1918
1919 static GLboolean
1920 _mesa_texstore_rgba5551(TEXSTORE_PARAMS)
1921 {
1922 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1923 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1924
1925 ASSERT(dstFormat == MESA_FORMAT_RGBA5551);
1926 ASSERT(texelBytes == 2);
1927
1928 if (!ctx->_ImageTransferState &&
1929 !srcPacking->SwapBytes &&
1930 dstFormat == MESA_FORMAT_RGBA5551 &&
1931 baseInternalFormat == GL_RGBA &&
1932 srcFormat == GL_RGBA &&
1933 srcType == GL_UNSIGNED_SHORT_5_5_5_1) {
1934 /* simple memcpy path */
1935 memcpy_texture(ctx, dims,
1936 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1937 dstRowStride,
1938 dstImageOffsets,
1939 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1940 srcAddr, srcPacking);
1941 }
1942 else {
1943 /* general path */
1944 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
1945 baseInternalFormat,
1946 baseFormat,
1947 srcWidth, srcHeight, srcDepth,
1948 srcFormat, srcType, srcAddr,
1949 srcPacking);
1950 const GLchan *src =tempImage;
1951 GLint img, row, col;
1952 if (!tempImage)
1953 return GL_FALSE;
1954 for (img = 0; img < srcDepth; img++) {
1955 GLubyte *dstRow = (GLubyte *) dstAddr
1956 + dstImageOffsets[dstZoffset + img] * texelBytes
1957 + dstYoffset * dstRowStride
1958 + dstXoffset * texelBytes;
1959 for (row = 0; row < srcHeight; row++) {
1960 GLushort *dstUS = (GLushort *) dstRow;
1961 for (col = 0; col < srcWidth; col++) {
1962 dstUS[col] = PACK_COLOR_5551( CHAN_TO_UBYTE(src[RCOMP]),
1963 CHAN_TO_UBYTE(src[GCOMP]),
1964 CHAN_TO_UBYTE(src[BCOMP]),
1965 CHAN_TO_UBYTE(src[ACOMP]) );
1966 src += 4;
1967 }
1968 dstRow += dstRowStride;
1969 }
1970 }
1971 free((void *) tempImage);
1972 }
1973 return GL_TRUE;
1974 }
1975
1976 static GLboolean
1977 _mesa_texstore_argb1555(TEXSTORE_PARAMS)
1978 {
1979 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
1980 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
1981
1982 ASSERT(dstFormat == MESA_FORMAT_ARGB1555 ||
1983 dstFormat == MESA_FORMAT_ARGB1555_REV);
1984 ASSERT(texelBytes == 2);
1985
1986 if (!ctx->_ImageTransferState &&
1987 !srcPacking->SwapBytes &&
1988 dstFormat == MESA_FORMAT_ARGB1555 &&
1989 baseInternalFormat == GL_RGBA &&
1990 srcFormat == GL_BGRA &&
1991 srcType == GL_UNSIGNED_SHORT_1_5_5_5_REV) {
1992 /* simple memcpy path */
1993 memcpy_texture(ctx, dims,
1994 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
1995 dstRowStride,
1996 dstImageOffsets,
1997 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
1998 srcAddr, srcPacking);
1999 }
2000 else {
2001 /* general path */
2002 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2003 baseInternalFormat,
2004 baseFormat,
2005 srcWidth, srcHeight, srcDepth,
2006 srcFormat, srcType, srcAddr,
2007 srcPacking);
2008 const GLchan *src =tempImage;
2009 GLint img, row, col;
2010 if (!tempImage)
2011 return GL_FALSE;
2012 for (img = 0; img < srcDepth; img++) {
2013 GLubyte *dstRow = (GLubyte *) dstAddr
2014 + dstImageOffsets[dstZoffset + img] * texelBytes
2015 + dstYoffset * dstRowStride
2016 + dstXoffset * texelBytes;
2017 for (row = 0; row < srcHeight; row++) {
2018 GLushort *dstUS = (GLushort *) dstRow;
2019 if (dstFormat == MESA_FORMAT_ARGB1555) {
2020 for (col = 0; col < srcWidth; col++) {
2021 dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]),
2022 CHAN_TO_UBYTE(src[RCOMP]),
2023 CHAN_TO_UBYTE(src[GCOMP]),
2024 CHAN_TO_UBYTE(src[BCOMP]) );
2025 src += 4;
2026 }
2027 }
2028 else {
2029 for (col = 0; col < srcWidth; col++) {
2030 dstUS[col] = PACK_COLOR_1555_REV( CHAN_TO_UBYTE(src[ACOMP]),
2031 CHAN_TO_UBYTE(src[RCOMP]),
2032 CHAN_TO_UBYTE(src[GCOMP]),
2033 CHAN_TO_UBYTE(src[BCOMP]) );
2034 src += 4;
2035 }
2036 }
2037 dstRow += dstRowStride;
2038 }
2039 }
2040 free((void *) tempImage);
2041 }
2042 return GL_TRUE;
2043 }
2044
2045
2046 static GLboolean
2047 _mesa_texstore_argb2101010(TEXSTORE_PARAMS)
2048 {
2049 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2050 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2051
2052 ASSERT(dstFormat == MESA_FORMAT_ARGB2101010);
2053 ASSERT(texelBytes == 4);
2054
2055 if (!ctx->_ImageTransferState &&
2056 !srcPacking->SwapBytes &&
2057 dstFormat == MESA_FORMAT_ARGB2101010 &&
2058 srcFormat == GL_BGRA &&
2059 srcType == GL_UNSIGNED_INT_2_10_10_10_REV &&
2060 baseInternalFormat == GL_RGBA) {
2061 /* simple memcpy path */
2062 memcpy_texture(ctx, dims,
2063 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2064 dstRowStride,
2065 dstImageOffsets,
2066 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2067 srcAddr, srcPacking);
2068 }
2069 else {
2070 /* general path */
2071 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
2072 baseInternalFormat,
2073 baseFormat,
2074 srcWidth, srcHeight, srcDepth,
2075 srcFormat, srcType, srcAddr,
2076 srcPacking,
2077 ctx->_ImageTransferState);
2078 const GLfloat *src = tempImage;
2079 GLint img, row, col;
2080 if (!tempImage)
2081 return GL_FALSE;
2082 for (img = 0; img < srcDepth; img++) {
2083 GLubyte *dstRow = (GLubyte *) dstAddr
2084 + dstImageOffsets[dstZoffset + img] * texelBytes
2085 + dstYoffset * dstRowStride
2086 + dstXoffset * texelBytes;
2087 if (baseInternalFormat == GL_RGBA) {
2088 for (row = 0; row < srcHeight; row++) {
2089 GLuint *dstUI = (GLuint *) dstRow;
2090 for (col = 0; col < srcWidth; col++) {
2091 GLushort a,r,g,b;
2092
2093 UNCLAMPED_FLOAT_TO_USHORT(a, src[ACOMP]);
2094 UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);
2095 UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);
2096 UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]);
2097 dstUI[col] = PACK_COLOR_2101010_US(a, r, g, b);
2098 src += 4;
2099 }
2100 dstRow += dstRowStride;
2101 }
2102 } else if (baseInternalFormat == GL_RGB) {
2103 for (row = 0; row < srcHeight; row++) {
2104 GLuint *dstUI = (GLuint *) dstRow;
2105 for (col = 0; col < srcWidth; col++) {
2106 GLushort r,g,b;
2107
2108 UNCLAMPED_FLOAT_TO_USHORT(r, src[RCOMP]);
2109 UNCLAMPED_FLOAT_TO_USHORT(g, src[GCOMP]);
2110 UNCLAMPED_FLOAT_TO_USHORT(b, src[BCOMP]);
2111 dstUI[col] = PACK_COLOR_2101010_US(0xffff, r, g, b);
2112 src += 4;
2113 }
2114 dstRow += dstRowStride;
2115 }
2116 } else {
2117 ASSERT(0);
2118 }
2119 }
2120 free((void *) tempImage);
2121 }
2122 return GL_TRUE;
2123 }
2124
2125
2126 /**
2127 * Do texstore for 2-channel, 4-bit/channel, unsigned normalized formats.
2128 */
2129 static GLboolean
2130 _mesa_texstore_unorm44(TEXSTORE_PARAMS)
2131 {
2132 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2133 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2134
2135 ASSERT(dstFormat == MESA_FORMAT_AL44);
2136 ASSERT(texelBytes == 1);
2137
2138 {
2139 /* general path */
2140 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2141 baseInternalFormat,
2142 baseFormat,
2143 srcWidth, srcHeight, srcDepth,
2144 srcFormat, srcType, srcAddr,
2145 srcPacking);
2146 const GLchan *src = tempImage;
2147 GLint img, row, col;
2148 if (!tempImage)
2149 return GL_FALSE;
2150 for (img = 0; img < srcDepth; img++) {
2151 GLubyte *dstRow = (GLubyte *) dstAddr
2152 + dstImageOffsets[dstZoffset + img] * texelBytes
2153 + dstYoffset * dstRowStride
2154 + dstXoffset * texelBytes;
2155 for (row = 0; row < srcHeight; row++) {
2156 GLubyte *dstUS = (GLubyte *) dstRow;
2157 for (col = 0; col < srcWidth; col++) {
2158 /* src[0] is luminance, src[1] is alpha */
2159 dstUS[col] = PACK_COLOR_44( CHAN_TO_UBYTE(src[1]),
2160 CHAN_TO_UBYTE(src[0]) );
2161 src += 2;
2162 }
2163 dstRow += dstRowStride;
2164 }
2165 }
2166 free((void *) tempImage);
2167 }
2168 return GL_TRUE;
2169 }
2170
2171
2172 /**
2173 * Do texstore for 2-channel, 8-bit/channel, unsigned normalized formats.
2174 */
2175 static GLboolean
2176 _mesa_texstore_unorm88(TEXSTORE_PARAMS)
2177 {
2178 const GLboolean littleEndian = _mesa_little_endian();
2179 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2180 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2181
2182 ASSERT(dstFormat == MESA_FORMAT_AL88 ||
2183 dstFormat == MESA_FORMAT_AL88_REV ||
2184 dstFormat == MESA_FORMAT_RG88 ||
2185 dstFormat == MESA_FORMAT_RG88_REV);
2186 ASSERT(texelBytes == 2);
2187
2188 if (!ctx->_ImageTransferState &&
2189 !srcPacking->SwapBytes &&
2190 ((dstFormat == MESA_FORMAT_AL88 &&
2191 baseInternalFormat == GL_LUMINANCE_ALPHA &&
2192 srcFormat == GL_LUMINANCE_ALPHA) ||
2193 (dstFormat == MESA_FORMAT_RG88 &&
2194 baseInternalFormat == srcFormat)) &&
2195 srcType == GL_UNSIGNED_BYTE &&
2196 littleEndian) {
2197 /* simple memcpy path */
2198 memcpy_texture(ctx, dims,
2199 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2200 dstRowStride,
2201 dstImageOffsets,
2202 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2203 srcAddr, srcPacking);
2204 }
2205 else if (!ctx->_ImageTransferState &&
2206 littleEndian &&
2207 srcType == GL_UNSIGNED_BYTE &&
2208 can_swizzle(baseInternalFormat) &&
2209 can_swizzle(srcFormat)) {
2210 GLubyte dstmap[4];
2211
2212 /* dstmap - how to swizzle from RGBA to dst format:
2213 */
2214 if (dstFormat == MESA_FORMAT_AL88 || dstFormat == MESA_FORMAT_AL88_REV) {
2215 if ((littleEndian && dstFormat == MESA_FORMAT_AL88) ||
2216 (!littleEndian && dstFormat == MESA_FORMAT_AL88_REV)) {
2217 dstmap[0] = 0;
2218 dstmap[1] = 3;
2219 }
2220 else {
2221 dstmap[0] = 3;
2222 dstmap[1] = 0;
2223 }
2224 }
2225 else {
2226 if ((littleEndian && dstFormat == MESA_FORMAT_RG88) ||
2227 (!littleEndian && dstFormat == MESA_FORMAT_RG88_REV)) {
2228 dstmap[0] = 0;
2229 dstmap[1] = 1;
2230 }
2231 else {
2232 dstmap[0] = 1;
2233 dstmap[1] = 0;
2234 }
2235 }
2236 dstmap[2] = ZERO; /* ? */
2237 dstmap[3] = ONE; /* ? */
2238
2239 _mesa_swizzle_ubyte_image(ctx, dims,
2240 srcFormat,
2241 srcType,
2242 baseInternalFormat,
2243 dstmap, 2,
2244 dstAddr, dstXoffset, dstYoffset, dstZoffset,
2245 dstRowStride, dstImageOffsets,
2246 srcWidth, srcHeight, srcDepth, srcAddr,
2247 srcPacking);
2248 }
2249 else {
2250 /* general path */
2251 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2252 baseInternalFormat,
2253 baseFormat,
2254 srcWidth, srcHeight, srcDepth,
2255 srcFormat, srcType, srcAddr,
2256 srcPacking);
2257 const GLchan *src = tempImage;
2258 GLint img, row, col;
2259 if (!tempImage)
2260 return GL_FALSE;
2261 for (img = 0; img < srcDepth; img++) {
2262 GLubyte *dstRow = (GLubyte *) dstAddr
2263 + dstImageOffsets[dstZoffset + img] * texelBytes
2264 + dstYoffset * dstRowStride
2265 + dstXoffset * texelBytes;
2266 for (row = 0; row < srcHeight; row++) {
2267 GLushort *dstUS = (GLushort *) dstRow;
2268 if (dstFormat == MESA_FORMAT_AL88 ||
2269 dstFormat == MESA_FORMAT_RG88) {
2270 for (col = 0; col < srcWidth; col++) {
2271 /* src[0] is luminance, src[1] is alpha */
2272 dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]),
2273 CHAN_TO_UBYTE(src[0]) );
2274 src += 2;
2275 }
2276 }
2277 else {
2278 for (col = 0; col < srcWidth; col++) {
2279 /* src[0] is luminance, src[1] is alpha */
2280 dstUS[col] = PACK_COLOR_88_REV( CHAN_TO_UBYTE(src[1]),
2281 CHAN_TO_UBYTE(src[0]) );
2282 src += 2;
2283 }
2284 }
2285 dstRow += dstRowStride;
2286 }
2287 }
2288 free((void *) tempImage);
2289 }
2290 return GL_TRUE;
2291 }
2292
2293
2294 /**
2295 * Do texstore for 2-channel, 16-bit/channel, unsigned normalized formats.
2296 */
2297 static GLboolean
2298 _mesa_texstore_unorm1616(TEXSTORE_PARAMS)
2299 {
2300 const GLboolean littleEndian = _mesa_little_endian();
2301 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2302 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2303
2304 ASSERT(dstFormat == MESA_FORMAT_AL1616 ||
2305 dstFormat == MESA_FORMAT_AL1616_REV ||
2306 dstFormat == MESA_FORMAT_RG1616 ||
2307 dstFormat == MESA_FORMAT_RG1616_REV);
2308 ASSERT(texelBytes == 4);
2309
2310 if (!ctx->_ImageTransferState &&
2311 !srcPacking->SwapBytes &&
2312 ((dstFormat == MESA_FORMAT_AL1616 &&
2313 baseInternalFormat == GL_LUMINANCE_ALPHA &&
2314 srcFormat == GL_LUMINANCE_ALPHA) ||
2315 (dstFormat == MESA_FORMAT_RG1616 &&
2316 baseInternalFormat == srcFormat)) &&
2317 srcType == GL_UNSIGNED_SHORT &&
2318 littleEndian) {
2319 /* simple memcpy path */
2320 memcpy_texture(ctx, dims,
2321 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2322 dstRowStride,
2323 dstImageOffsets,
2324 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2325 srcAddr, srcPacking);
2326 }
2327 else {
2328 /* general path */
2329 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
2330 baseInternalFormat,
2331 baseFormat,
2332 srcWidth, srcHeight, srcDepth,
2333 srcFormat, srcType, srcAddr,
2334 srcPacking,
2335 ctx->_ImageTransferState);
2336 const GLfloat *src = tempImage;
2337 GLint img, row, col;
2338 if (!tempImage)
2339 return GL_FALSE;
2340 for (img = 0; img < srcDepth; img++) {
2341 GLubyte *dstRow = (GLubyte *) dstAddr
2342 + dstImageOffsets[dstZoffset + img] * texelBytes
2343 + dstYoffset * dstRowStride
2344 + dstXoffset * texelBytes;
2345 for (row = 0; row < srcHeight; row++) {
2346 GLuint *dstUI = (GLuint *) dstRow;
2347 if (dstFormat == MESA_FORMAT_AL1616 ||
2348 dstFormat == MESA_FORMAT_RG1616) {
2349 for (col = 0; col < srcWidth; col++) {
2350 GLushort l, a;
2351
2352 UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);
2353 UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);
2354 dstUI[col] = PACK_COLOR_1616(a, l);
2355 src += 2;
2356 }
2357 }
2358 else {
2359 for (col = 0; col < srcWidth; col++) {
2360 GLushort l, a;
2361
2362 UNCLAMPED_FLOAT_TO_USHORT(l, src[0]);
2363 UNCLAMPED_FLOAT_TO_USHORT(a, src[1]);
2364 dstUI[col] = PACK_COLOR_1616_REV(a, l);
2365 src += 2;
2366 }
2367 }
2368 dstRow += dstRowStride;
2369 }
2370 }
2371 free((void *) tempImage);
2372 }
2373 return GL_TRUE;
2374 }
2375
2376
2377 /* Texstore for R16, A16, L16, I16. */
2378 static GLboolean
2379 _mesa_texstore_unorm16(TEXSTORE_PARAMS)
2380 {
2381 const GLboolean littleEndian = _mesa_little_endian();
2382 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2383 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2384
2385 ASSERT(dstFormat == MESA_FORMAT_R16 ||
2386 dstFormat == MESA_FORMAT_A16 ||
2387 dstFormat == MESA_FORMAT_L16 ||
2388 dstFormat == MESA_FORMAT_I16);
2389 ASSERT(texelBytes == 2);
2390
2391 if (!ctx->_ImageTransferState &&
2392 !srcPacking->SwapBytes &&
2393 baseInternalFormat == srcFormat &&
2394 srcType == GL_UNSIGNED_SHORT &&
2395 littleEndian) {
2396 /* simple memcpy path */
2397 memcpy_texture(ctx, dims,
2398 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2399 dstRowStride,
2400 dstImageOffsets,
2401 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2402 srcAddr, srcPacking);
2403 }
2404 else {
2405 /* general path */
2406 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
2407 baseInternalFormat,
2408 baseFormat,
2409 srcWidth, srcHeight, srcDepth,
2410 srcFormat, srcType, srcAddr,
2411 srcPacking,
2412 ctx->_ImageTransferState);
2413 const GLfloat *src = tempImage;
2414 GLint img, row, col;
2415 if (!tempImage)
2416 return GL_FALSE;
2417 for (img = 0; img < srcDepth; img++) {
2418 GLubyte *dstRow = (GLubyte *) dstAddr
2419 + dstImageOffsets[dstZoffset + img] * texelBytes
2420 + dstYoffset * dstRowStride
2421 + dstXoffset * texelBytes;
2422 for (row = 0; row < srcHeight; row++) {
2423 GLushort *dstUS = (GLushort *) dstRow;
2424 for (col = 0; col < srcWidth; col++) {
2425 GLushort r;
2426
2427 UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);
2428 dstUS[col] = r;
2429 src += 1;
2430 }
2431 dstRow += dstRowStride;
2432 }
2433 }
2434 free((void *) tempImage);
2435 }
2436 return GL_TRUE;
2437 }
2438
2439
2440 static GLboolean
2441 _mesa_texstore_rgba_16(TEXSTORE_PARAMS)
2442 {
2443 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2444 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2445
2446 ASSERT(dstFormat == MESA_FORMAT_RGBA_16);
2447 ASSERT(texelBytes == 8);
2448
2449 if (!ctx->_ImageTransferState &&
2450 !srcPacking->SwapBytes &&
2451 baseInternalFormat == GL_RGBA &&
2452 srcFormat == GL_RGBA &&
2453 srcType == GL_UNSIGNED_SHORT) {
2454 /* simple memcpy path */
2455 memcpy_texture(ctx, dims,
2456 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2457 dstRowStride,
2458 dstImageOffsets,
2459 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2460 srcAddr, srcPacking);
2461 }
2462 else {
2463 /* general path */
2464 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
2465 baseInternalFormat,
2466 baseFormat,
2467 srcWidth, srcHeight, srcDepth,
2468 srcFormat, srcType, srcAddr,
2469 srcPacking,
2470 ctx->_ImageTransferState);
2471 const GLfloat *src = tempImage;
2472 GLint img, row, col;
2473 if (!tempImage)
2474 return GL_FALSE;
2475 for (img = 0; img < srcDepth; img++) {
2476 GLubyte *dstRow = (GLubyte *) dstAddr
2477 + dstImageOffsets[dstZoffset + img] * texelBytes
2478 + dstYoffset * dstRowStride
2479 + dstXoffset * texelBytes;
2480 for (row = 0; row < srcHeight; row++) {
2481 GLushort *dstUS = (GLushort *) dstRow;
2482 for (col = 0; col < srcWidth; col++) {
2483 GLushort r, g, b, a;
2484
2485 UNCLAMPED_FLOAT_TO_USHORT(r, src[0]);
2486 UNCLAMPED_FLOAT_TO_USHORT(g, src[1]);
2487 UNCLAMPED_FLOAT_TO_USHORT(b, src[2]);
2488 UNCLAMPED_FLOAT_TO_USHORT(a, src[3]);
2489 dstUS[col*4+0] = r;
2490 dstUS[col*4+1] = g;
2491 dstUS[col*4+2] = b;
2492 dstUS[col*4+3] = a;
2493 src += 4;
2494 }
2495 dstRow += dstRowStride;
2496 }
2497 }
2498 free((void *) tempImage);
2499 }
2500 return GL_TRUE;
2501 }
2502
2503
2504 static GLboolean
2505 _mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS)
2506 {
2507 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2508 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2509
2510 ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGB_16 ||
2511 dstFormat == MESA_FORMAT_SIGNED_RGBA_16);
2512
2513 if (!ctx->_ImageTransferState &&
2514 !srcPacking->SwapBytes &&
2515 baseInternalFormat == GL_RGBA &&
2516 dstFormat == MESA_FORMAT_SIGNED_RGBA_16 &&
2517 srcFormat == GL_RGBA &&
2518 srcType == GL_SHORT) {
2519 /* simple memcpy path */
2520 memcpy_texture(ctx, dims,
2521 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2522 dstRowStride,
2523 dstImageOffsets,
2524 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2525 srcAddr, srcPacking);
2526 }
2527 else {
2528 /* general path */
2529 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
2530 baseInternalFormat,
2531 baseFormat,
2532 srcWidth, srcHeight, srcDepth,
2533 srcFormat, srcType, srcAddr,
2534 srcPacking,
2535 ctx->_ImageTransferState);
2536 const GLfloat *src = tempImage;
2537 const GLuint comps = _mesa_get_format_bytes(dstFormat) / 2;
2538 GLint img, row, col;
2539
2540 if (!tempImage)
2541 return GL_FALSE;
2542
2543 /* Note: tempImage is always float[4] / RGBA. We convert to 1, 2,
2544 * 3 or 4 components/pixel here.
2545 */
2546 for (img = 0; img < srcDepth; img++) {
2547 GLubyte *dstRow = (GLubyte *) dstAddr
2548 + dstImageOffsets[dstZoffset + img] * texelBytes
2549 + dstYoffset * dstRowStride
2550 + dstXoffset * texelBytes;
2551 for (row = 0; row < srcHeight; row++) {
2552 GLshort *dstRowS = (GLshort *) dstRow;
2553 if (dstFormat == MESA_FORMAT_SIGNED_RGBA_16) {
2554 for (col = 0; col < srcWidth; col++) {
2555 GLuint c;
2556 for (c = 0; c < comps; c++) {
2557 GLshort p;
2558 UNCLAMPED_FLOAT_TO_SHORT(p, src[col * 4 + c]);
2559 dstRowS[col * comps + c] = p;
2560 }
2561 }
2562 dstRow += dstRowStride;
2563 src += 4 * srcWidth;
2564 } else {
2565 for (col = 0; col < srcWidth; col++) {
2566 GLuint c;
2567 for (c = 0; c < comps; c++) {
2568 GLshort p;
2569 UNCLAMPED_FLOAT_TO_SHORT(p, src[col * 3 + c]);
2570 dstRowS[col * comps + c] = p;
2571 }
2572 }
2573 dstRow += dstRowStride;
2574 src += 3 * srcWidth;
2575 }
2576 }
2577 }
2578 free((void *) tempImage);
2579 }
2580 return GL_TRUE;
2581 }
2582
2583
2584 static GLboolean
2585 _mesa_texstore_rgb332(TEXSTORE_PARAMS)
2586 {
2587 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2588 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2589
2590 ASSERT(dstFormat == MESA_FORMAT_RGB332);
2591 ASSERT(texelBytes == 1);
2592
2593 if (!ctx->_ImageTransferState &&
2594 !srcPacking->SwapBytes &&
2595 baseInternalFormat == GL_RGB &&
2596 srcFormat == GL_RGB && srcType == GL_UNSIGNED_BYTE_3_3_2) {
2597 /* simple memcpy path */
2598 memcpy_texture(ctx, dims,
2599 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2600 dstRowStride,
2601 dstImageOffsets,
2602 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2603 srcAddr, srcPacking);
2604 }
2605 else {
2606 /* general path */
2607 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2608 baseInternalFormat,
2609 baseFormat,
2610 srcWidth, srcHeight, srcDepth,
2611 srcFormat, srcType, srcAddr,
2612 srcPacking);
2613 const GLchan *src = tempImage;
2614 GLint img, row, col;
2615 if (!tempImage)
2616 return GL_FALSE;
2617 for (img = 0; img < srcDepth; img++) {
2618 GLubyte *dstRow = (GLubyte *) dstAddr
2619 + dstImageOffsets[dstZoffset + img] * texelBytes
2620 + dstYoffset * dstRowStride
2621 + dstXoffset * texelBytes;
2622 for (row = 0; row < srcHeight; row++) {
2623 for (col = 0; col < srcWidth; col++) {
2624 dstRow[col] = PACK_COLOR_332( CHAN_TO_UBYTE(src[RCOMP]),
2625 CHAN_TO_UBYTE(src[GCOMP]),
2626 CHAN_TO_UBYTE(src[BCOMP]) );
2627 src += 3;
2628 }
2629 dstRow += dstRowStride;
2630 }
2631 }
2632 free((void *) tempImage);
2633 }
2634 return GL_TRUE;
2635 }
2636
2637
2638 /**
2639 * Texstore for _mesa_texformat_a8, _mesa_texformat_l8, _mesa_texformat_i8.
2640 */
2641 static GLboolean
2642 _mesa_texstore_unorm8(TEXSTORE_PARAMS)
2643 {
2644 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2645 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2646
2647 ASSERT(dstFormat == MESA_FORMAT_A8 ||
2648 dstFormat == MESA_FORMAT_L8 ||
2649 dstFormat == MESA_FORMAT_I8 ||
2650 dstFormat == MESA_FORMAT_R8);
2651 ASSERT(texelBytes == 1);
2652
2653 if (!ctx->_ImageTransferState &&
2654 !srcPacking->SwapBytes &&
2655 baseInternalFormat == srcFormat &&
2656 srcType == GL_UNSIGNED_BYTE) {
2657 /* simple memcpy path */
2658 memcpy_texture(ctx, dims,
2659 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2660 dstRowStride,
2661 dstImageOffsets,
2662 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2663 srcAddr, srcPacking);
2664 }
2665 else if (!ctx->_ImageTransferState &&
2666 srcType == GL_UNSIGNED_BYTE &&
2667 can_swizzle(baseInternalFormat) &&
2668 can_swizzle(srcFormat)) {
2669 GLubyte dstmap[4];
2670
2671 /* dstmap - how to swizzle from RGBA to dst format:
2672 */
2673 if (dstFormat == MESA_FORMAT_A8) {
2674 dstmap[0] = 3;
2675 }
2676 else {
2677 dstmap[0] = 0;
2678 }
2679 dstmap[1] = ZERO; /* ? */
2680 dstmap[2] = ZERO; /* ? */
2681 dstmap[3] = ONE; /* ? */
2682
2683 _mesa_swizzle_ubyte_image(ctx, dims,
2684 srcFormat,
2685 srcType,
2686 baseInternalFormat,
2687 dstmap, 1,
2688 dstAddr, dstXoffset, dstYoffset, dstZoffset,
2689 dstRowStride, dstImageOffsets,
2690 srcWidth, srcHeight, srcDepth, srcAddr,
2691 srcPacking);
2692 }
2693 else {
2694 /* general path */
2695 const GLchan *tempImage = _mesa_make_temp_chan_image(ctx, dims,
2696 baseInternalFormat,
2697 baseFormat,
2698 srcWidth, srcHeight, srcDepth,
2699 srcFormat, srcType, srcAddr,
2700 srcPacking);
2701 const GLchan *src = tempImage;
2702 GLint img, row, col;
2703 if (!tempImage)
2704 return GL_FALSE;
2705 for (img = 0; img < srcDepth; img++) {
2706 GLubyte *dstRow = (GLubyte *) dstAddr
2707 + dstImageOffsets[dstZoffset + img] * texelBytes
2708 + dstYoffset * dstRowStride
2709 + dstXoffset * texelBytes;
2710 for (row = 0; row < srcHeight; row++) {
2711 for (col = 0; col < srcWidth; col++) {
2712 dstRow[col] = CHAN_TO_UBYTE(src[col]);
2713 }
2714 dstRow += dstRowStride;
2715 src += srcWidth;
2716 }
2717 }
2718 free((void *) tempImage);
2719 }
2720 return GL_TRUE;
2721 }
2722
2723
2724
2725 static GLboolean
2726 _mesa_texstore_ci8(TEXSTORE_PARAMS)
2727 {
2728 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2729
2730 (void) dims; (void) baseInternalFormat;
2731 ASSERT(dstFormat == MESA_FORMAT_CI8);
2732 ASSERT(texelBytes == 1);
2733 ASSERT(baseInternalFormat == GL_COLOR_INDEX);
2734
2735 if (!ctx->_ImageTransferState &&
2736 !srcPacking->SwapBytes &&
2737 srcFormat == GL_COLOR_INDEX &&
2738 srcType == GL_UNSIGNED_BYTE) {
2739 /* simple memcpy path */
2740 memcpy_texture(ctx, dims,
2741 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2742 dstRowStride,
2743 dstImageOffsets,
2744 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2745 srcAddr, srcPacking);
2746 }
2747 else {
2748 /* general path */
2749 GLint img, row;
2750 for (img = 0; img < srcDepth; img++) {
2751 GLubyte *dstRow = (GLubyte *) dstAddr
2752 + dstImageOffsets[dstZoffset + img] * texelBytes
2753 + dstYoffset * dstRowStride
2754 + dstXoffset * texelBytes;
2755 for (row = 0; row < srcHeight; row++) {
2756 const GLvoid *src = _mesa_image_address(dims, srcPacking,
2757 srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0);
2758 _mesa_unpack_index_span(ctx, srcWidth, GL_UNSIGNED_BYTE, dstRow,
2759 srcType, src, srcPacking,
2760 ctx->_ImageTransferState);
2761 dstRow += dstRowStride;
2762 }
2763 }
2764 }
2765 return GL_TRUE;
2766 }
2767
2768
2769 /**
2770 * Texstore for _mesa_texformat_ycbcr or _mesa_texformat_ycbcr_REV.
2771 */
2772 static GLboolean
2773 _mesa_texstore_ycbcr(TEXSTORE_PARAMS)
2774 {
2775 const GLboolean littleEndian = _mesa_little_endian();
2776 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2777
2778 (void) ctx; (void) dims; (void) baseInternalFormat;
2779
2780 ASSERT((dstFormat == MESA_FORMAT_YCBCR) ||
2781 (dstFormat == MESA_FORMAT_YCBCR_REV));
2782 ASSERT(texelBytes == 2);
2783 ASSERT(ctx->Extensions.MESA_ycbcr_texture);
2784 ASSERT(srcFormat == GL_YCBCR_MESA);
2785 ASSERT((srcType == GL_UNSIGNED_SHORT_8_8_MESA) ||
2786 (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA));
2787 ASSERT(baseInternalFormat == GL_YCBCR_MESA);
2788
2789 /* always just memcpy since no pixel transfer ops apply */
2790 memcpy_texture(ctx, dims,
2791 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2792 dstRowStride,
2793 dstImageOffsets,
2794 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2795 srcAddr, srcPacking);
2796
2797 /* Check if we need byte swapping */
2798 /* XXX the logic here _might_ be wrong */
2799 if (srcPacking->SwapBytes ^
2800 (srcType == GL_UNSIGNED_SHORT_8_8_REV_MESA) ^
2801 (dstFormat == MESA_FORMAT_YCBCR_REV) ^
2802 !littleEndian) {
2803 GLint img, row;
2804 for (img = 0; img < srcDepth; img++) {
2805 GLubyte *dstRow = (GLubyte *) dstAddr
2806 + dstImageOffsets[dstZoffset + img] * texelBytes
2807 + dstYoffset * dstRowStride
2808 + dstXoffset * texelBytes;
2809 for (row = 0; row < srcHeight; row++) {
2810 _mesa_swap2((GLushort *) dstRow, srcWidth);
2811 dstRow += dstRowStride;
2812 }
2813 }
2814 }
2815 return GL_TRUE;
2816 }
2817
2818 static GLboolean
2819 _mesa_texstore_dudv8(TEXSTORE_PARAMS)
2820 {
2821 const GLboolean littleEndian = _mesa_little_endian();
2822 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2823
2824 ASSERT(dstFormat == MESA_FORMAT_DUDV8);
2825 ASSERT(texelBytes == 2);
2826 ASSERT(ctx->Extensions.ATI_envmap_bumpmap);
2827 ASSERT((srcFormat == GL_DU8DV8_ATI) ||
2828 (srcFormat == GL_DUDV_ATI));
2829 ASSERT(baseInternalFormat == GL_DUDV_ATI);
2830
2831 if (!srcPacking->SwapBytes && srcType == GL_BYTE &&
2832 littleEndian) {
2833 /* simple memcpy path */
2834 memcpy_texture(ctx, dims,
2835 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2836 dstRowStride,
2837 dstImageOffsets,
2838 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2839 srcAddr, srcPacking);
2840 }
2841 else if (srcType == GL_BYTE) {
2842 GLubyte dstmap[4];
2843
2844 /* dstmap - how to swizzle from RGBA to dst format:
2845 */
2846 if (littleEndian) {
2847 dstmap[0] = 0;
2848 dstmap[1] = 3;
2849 }
2850 else {
2851 dstmap[0] = 3;
2852 dstmap[1] = 0;
2853 }
2854 dstmap[2] = ZERO; /* ? */
2855 dstmap[3] = ONE; /* ? */
2856
2857 _mesa_swizzle_ubyte_image(ctx, dims,
2858 GL_LUMINANCE_ALPHA, /* hack */
2859 GL_UNSIGNED_BYTE, /* hack */
2860 GL_LUMINANCE_ALPHA, /* hack */
2861 dstmap, 2,
2862 dstAddr, dstXoffset, dstYoffset, dstZoffset,
2863 dstRowStride, dstImageOffsets,
2864 srcWidth, srcHeight, srcDepth, srcAddr,
2865 srcPacking);
2866 }
2867 else {
2868 /* general path - note this is defined for 2d textures only */
2869 const GLint components = _mesa_components_in_format(baseInternalFormat);
2870 const GLint srcStride = _mesa_image_row_stride(srcPacking, srcWidth,
2871 srcFormat, srcType);
2872 GLbyte *tempImage, *dst, *src;
2873 GLint row;
2874
2875 tempImage = (GLbyte *) malloc(srcWidth * srcHeight * srcDepth
2876 * components * sizeof(GLbyte));
2877 if (!tempImage)
2878 return GL_FALSE;
2879
2880 src = (GLbyte *) _mesa_image_address(dims, srcPacking, srcAddr,
2881 srcWidth, srcHeight,
2882 srcFormat, srcType,
2883 0, 0, 0);
2884
2885 dst = tempImage;
2886 for (row = 0; row < srcHeight; row++) {
2887 _mesa_unpack_dudv_span_byte(ctx, srcWidth, baseInternalFormat,
2888 dst, srcFormat, srcType, src,
2889 srcPacking, 0);
2890 dst += srcWidth * components;
2891 src += srcStride;
2892 }
2893
2894 src = tempImage;
2895 dst = (GLbyte *) dstAddr
2896 + dstYoffset * dstRowStride
2897 + dstXoffset * texelBytes;
2898 for (row = 0; row < srcHeight; row++) {
2899 memcpy(dst, src, srcWidth * texelBytes);
2900 dst += dstRowStride;
2901 src += srcWidth * texelBytes;
2902 }
2903 free((void *) tempImage);
2904 }
2905 return GL_TRUE;
2906 }
2907
2908
2909 /**
2910 * Store a texture in a signed normalized 8-bit format.
2911 */
2912 static GLboolean
2913 _mesa_texstore_snorm8(TEXSTORE_PARAMS)
2914 {
2915 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2916 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2917
2918 ASSERT(dstFormat == MESA_FORMAT_SIGNED_A8 ||
2919 dstFormat == MESA_FORMAT_SIGNED_L8 ||
2920 dstFormat == MESA_FORMAT_SIGNED_I8 ||
2921 dstFormat == MESA_FORMAT_SIGNED_R8);
2922 ASSERT(texelBytes == 1);
2923
2924 if (!ctx->_ImageTransferState &&
2925 !srcPacking->SwapBytes &&
2926 baseInternalFormat == srcFormat &&
2927 srcType == GL_BYTE) {
2928 /* simple memcpy path */
2929 memcpy_texture(ctx, dims,
2930 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2931 dstRowStride,
2932 dstImageOffsets,
2933 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2934 srcAddr, srcPacking);
2935 }
2936 else {
2937 /* general path */
2938 const GLfloat *tempImage = _mesa_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 *src = tempImage;
2946 GLint img, row, col;
2947 if (!tempImage)
2948 return GL_FALSE;
2949 for (img = 0; img < srcDepth; img++) {
2950 GLbyte *dstRow = (GLbyte *) dstAddr
2951 + dstImageOffsets[dstZoffset + img] * texelBytes
2952 + dstYoffset * dstRowStride
2953 + dstXoffset * texelBytes;
2954 for (row = 0; row < srcHeight; row++) {
2955 for (col = 0; col < srcWidth; col++) {
2956 dstRow[col] = FLOAT_TO_BYTE_TEX(src[col]);
2957 }
2958 dstRow += dstRowStride;
2959 src += srcWidth;
2960 }
2961 }
2962 free((void *) tempImage);
2963 }
2964 return GL_TRUE;
2965 }
2966
2967
2968 /**
2969 * Store a texture in a signed normalized two-channel 16-bit format.
2970 */
2971 static GLboolean
2972 _mesa_texstore_snorm88(TEXSTORE_PARAMS)
2973 {
2974 const GLboolean littleEndian = _mesa_little_endian();
2975 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
2976 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
2977
2978 ASSERT(dstFormat == MESA_FORMAT_SIGNED_AL88 ||
2979 dstFormat == MESA_FORMAT_SIGNED_RG88_REV);
2980 ASSERT(texelBytes == 2);
2981
2982 if (!ctx->_ImageTransferState &&
2983 !srcPacking->SwapBytes &&
2984 baseInternalFormat == srcFormat &&
2985 srcType == GL_BYTE &&
2986 littleEndian) {
2987 /* simple memcpy path */
2988 memcpy_texture(ctx, dims,
2989 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
2990 dstRowStride,
2991 dstImageOffsets,
2992 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
2993 srcAddr, srcPacking);
2994 }
2995 else {
2996 /* general path */
2997 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
2998 baseInternalFormat,
2999 baseFormat,
3000 srcWidth, srcHeight, srcDepth,
3001 srcFormat, srcType, srcAddr,
3002 srcPacking,
3003 ctx->_ImageTransferState);
3004 const GLfloat *src = tempImage;
3005 GLint img, row, col;
3006 if (!tempImage)
3007 return GL_FALSE;
3008 for (img = 0; img < srcDepth; img++) {
3009 GLbyte *dstRow = (GLbyte *) dstAddr
3010 + dstImageOffsets[dstZoffset + img] * texelBytes
3011 + dstYoffset * dstRowStride
3012 + dstXoffset * texelBytes;
3013 for (row = 0; row < srcHeight; row++) {
3014 GLbyte *dst = dstRow;
3015 for (col = 0; col < srcWidth; col++) {
3016 dst[0] = FLOAT_TO_BYTE_TEX(src[0]);
3017 dst[1] = FLOAT_TO_BYTE_TEX(src[1]);
3018 src += 2;
3019 dst += 2;
3020 }
3021 dstRow += dstRowStride;
3022 }
3023 }
3024 free((void *) tempImage);
3025 }
3026 return GL_TRUE;
3027 }
3028
3029 /* Texstore for signed R16, A16, L16, I16. */
3030 static GLboolean
3031 _mesa_texstore_snorm16(TEXSTORE_PARAMS)
3032 {
3033 const GLboolean littleEndian = _mesa_little_endian();
3034 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3035 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3036
3037 ASSERT(dstFormat == MESA_FORMAT_SIGNED_R16 ||
3038 dstFormat == MESA_FORMAT_SIGNED_A16 ||
3039 dstFormat == MESA_FORMAT_SIGNED_L16 ||
3040 dstFormat == MESA_FORMAT_SIGNED_I16);
3041 ASSERT(texelBytes == 2);
3042
3043 if (!ctx->_ImageTransferState &&
3044 !srcPacking->SwapBytes &&
3045 baseInternalFormat == srcFormat &&
3046 srcType == GL_SHORT &&
3047 littleEndian) {
3048 /* simple memcpy path */
3049 memcpy_texture(ctx, dims,
3050 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3051 dstRowStride,
3052 dstImageOffsets,
3053 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3054 srcAddr, srcPacking);
3055 }
3056 else {
3057 /* general path */
3058 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3059 baseInternalFormat,
3060 baseFormat,
3061 srcWidth, srcHeight, srcDepth,
3062 srcFormat, srcType, srcAddr,
3063 srcPacking,
3064 ctx->_ImageTransferState);
3065 const GLfloat *src = tempImage;
3066 GLint img, row, col;
3067 if (!tempImage)
3068 return GL_FALSE;
3069 for (img = 0; img < srcDepth; img++) {
3070 GLubyte *dstRow = (GLubyte *) dstAddr
3071 + dstImageOffsets[dstZoffset + img] * texelBytes
3072 + dstYoffset * dstRowStride
3073 + dstXoffset * texelBytes;
3074 for (row = 0; row < srcHeight; row++) {
3075 GLshort *dstUS = (GLshort *) dstRow;
3076 for (col = 0; col < srcWidth; col++) {
3077 GLushort r;
3078
3079 UNCLAMPED_FLOAT_TO_SHORT(r, src[0]);
3080 dstUS[col] = r;
3081 src += 1;
3082 }
3083 dstRow += dstRowStride;
3084 }
3085 }
3086 free((void *) tempImage);
3087 }
3088 return GL_TRUE;
3089 }
3090
3091 /**
3092 * Do texstore for 2-channel, 16-bit/channel, signed normalized formats.
3093 */
3094 static GLboolean
3095 _mesa_texstore_snorm1616(TEXSTORE_PARAMS)
3096 {
3097 const GLboolean littleEndian = _mesa_little_endian();
3098 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3099 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3100
3101 ASSERT(dstFormat == MESA_FORMAT_SIGNED_AL1616 ||
3102 dstFormat == MESA_FORMAT_SIGNED_GR1616);
3103 ASSERT(texelBytes == 4);
3104
3105 if (!ctx->_ImageTransferState &&
3106 !srcPacking->SwapBytes &&
3107 baseInternalFormat == srcFormat &&
3108 srcType == GL_SHORT &&
3109 littleEndian) {
3110 /* simple memcpy path */
3111 memcpy_texture(ctx, dims,
3112 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3113 dstRowStride,
3114 dstImageOffsets,
3115 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3116 srcAddr, srcPacking);
3117 }
3118 else {
3119 /* general path */
3120 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3121 baseInternalFormat,
3122 baseFormat,
3123 srcWidth, srcHeight, srcDepth,
3124 srcFormat, srcType, srcAddr,
3125 srcPacking,
3126 ctx->_ImageTransferState);
3127 const GLfloat *src = tempImage;
3128 GLint img, row, col;
3129 if (!tempImage)
3130 return GL_FALSE;
3131 for (img = 0; img < srcDepth; img++) {
3132 GLubyte *dstRow = (GLubyte *) dstAddr
3133 + dstImageOffsets[dstZoffset + img] * texelBytes
3134 + dstYoffset * dstRowStride
3135 + dstXoffset * texelBytes;
3136 for (row = 0; row < srcHeight; row++) {
3137 GLshort *dst = (GLshort *) dstRow;
3138 for (col = 0; col < srcWidth; col++) {
3139 GLushort l, a;
3140
3141 UNCLAMPED_FLOAT_TO_SHORT(l, src[0]);
3142 UNCLAMPED_FLOAT_TO_SHORT(a, src[1]);
3143 dst[0] = l;
3144 dst[1] = a;
3145 src += 2;
3146 dst += 2;
3147 }
3148 dstRow += dstRowStride;
3149 }
3150 }
3151 free((void *) tempImage);
3152 }
3153 return GL_TRUE;
3154 }
3155
3156 /**
3157 * Store a texture in MESA_FORMAT_SIGNED_RGBX8888.
3158 */
3159 static GLboolean
3160 _mesa_texstore_signed_rgbx8888(TEXSTORE_PARAMS)
3161 {
3162 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3163 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3164
3165 ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBX8888);
3166 ASSERT(texelBytes == 4);
3167
3168 {
3169 /* general path */
3170 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3171 baseInternalFormat,
3172 baseFormat,
3173 srcWidth, srcHeight, srcDepth,
3174 srcFormat, srcType, srcAddr,
3175 srcPacking,
3176 ctx->_ImageTransferState);
3177 const GLfloat *srcRow = tempImage;
3178 GLint img, row, col;
3179 if (!tempImage)
3180 return GL_FALSE;
3181 for (img = 0; img < srcDepth; img++) {
3182 GLbyte *dstRow = (GLbyte *) dstAddr
3183 + dstImageOffsets[dstZoffset + img] * texelBytes
3184 + dstYoffset * dstRowStride
3185 + dstXoffset * texelBytes;
3186 for (row = 0; row < srcHeight; row++) {
3187 GLbyte *dst = dstRow;
3188 for (col = 0; col < srcWidth; col++) {
3189 dst[3] = FLOAT_TO_BYTE_TEX(srcRow[RCOMP]);
3190 dst[2] = FLOAT_TO_BYTE_TEX(srcRow[GCOMP]);
3191 dst[1] = FLOAT_TO_BYTE_TEX(srcRow[BCOMP]);
3192 dst[0] = 127;
3193 srcRow += 3;
3194 dst += 4;
3195 }
3196 dstRow += dstRowStride;
3197 }
3198 }
3199 free((void *) tempImage);
3200 }
3201 return GL_TRUE;
3202 }
3203
3204
3205
3206 /**
3207 * Store a texture in MESA_FORMAT_SIGNED_RGBA8888 or
3208 * MESA_FORMAT_SIGNED_RGBA8888_REV
3209 */
3210 static GLboolean
3211 _mesa_texstore_signed_rgba8888(TEXSTORE_PARAMS)
3212 {
3213 const GLboolean littleEndian = _mesa_little_endian();
3214 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3215 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3216
3217 ASSERT(dstFormat == MESA_FORMAT_SIGNED_RGBA8888 ||
3218 dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV);
3219 ASSERT(texelBytes == 4);
3220
3221 if (!ctx->_ImageTransferState &&
3222 !srcPacking->SwapBytes &&
3223 dstFormat == MESA_FORMAT_SIGNED_RGBA8888 &&
3224 baseInternalFormat == GL_RGBA &&
3225 ((srcFormat == GL_RGBA && srcType == GL_BYTE && !littleEndian) ||
3226 (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && littleEndian))) {
3227 /* simple memcpy path */
3228 memcpy_texture(ctx, dims,
3229 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3230 dstRowStride,
3231 dstImageOffsets,
3232 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3233 srcAddr, srcPacking);
3234 }
3235 else if (!ctx->_ImageTransferState &&
3236 !srcPacking->SwapBytes &&
3237 dstFormat == MESA_FORMAT_SIGNED_RGBA8888_REV &&
3238 baseInternalFormat == GL_RGBA &&
3239 ((srcFormat == GL_RGBA && srcType == GL_BYTE && littleEndian) ||
3240 (srcFormat == GL_ABGR_EXT && srcType == GL_BYTE && !littleEndian))) {
3241 /* simple memcpy path */
3242 memcpy_texture(ctx, dims,
3243 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3244 dstRowStride,
3245 dstImageOffsets,
3246 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3247 srcAddr, srcPacking);
3248 }
3249 else {
3250 /* general path */
3251 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3252 baseInternalFormat,
3253 baseFormat,
3254 srcWidth, srcHeight, srcDepth,
3255 srcFormat, srcType, srcAddr,
3256 srcPacking,
3257 ctx->_ImageTransferState);
3258 const GLfloat *srcRow = tempImage;
3259 GLint img, row, col;
3260 if (!tempImage)
3261 return GL_FALSE;
3262 for (img = 0; img < srcDepth; img++) {
3263 GLbyte *dstRow = (GLbyte *) dstAddr
3264 + dstImageOffsets[dstZoffset + img] * texelBytes
3265 + dstYoffset * dstRowStride
3266 + dstXoffset * texelBytes;
3267 for (row = 0; row < srcHeight; row++) {
3268 GLbyte *dst = dstRow;
3269 if (dstFormat == MESA_FORMAT_SIGNED_RGBA8888) {
3270 for (col = 0; col < srcWidth; col++) {
3271 dst[3] = FLOAT_TO_BYTE_TEX(srcRow[RCOMP]);
3272 dst[2] = FLOAT_TO_BYTE_TEX(srcRow[GCOMP]);
3273 dst[1] = FLOAT_TO_BYTE_TEX(srcRow[BCOMP]);
3274 dst[0] = FLOAT_TO_BYTE_TEX(srcRow[ACOMP]);
3275 srcRow += 4;
3276 dst += 4;
3277 }
3278 }
3279 else {
3280 for (col = 0; col < srcWidth; col++) {
3281 dst[0] = FLOAT_TO_BYTE_TEX(srcRow[RCOMP]);
3282 dst[1] = FLOAT_TO_BYTE_TEX(srcRow[GCOMP]);
3283 dst[2] = FLOAT_TO_BYTE_TEX(srcRow[BCOMP]);
3284 dst[3] = FLOAT_TO_BYTE_TEX(srcRow[ACOMP]);
3285 srcRow += 4;
3286 dst += 4;
3287 }
3288 }
3289 dstRow += dstRowStride;
3290 }
3291 }
3292 free((void *) tempImage);
3293 }
3294 return GL_TRUE;
3295 }
3296
3297
3298 /**
3299 * Store a combined depth/stencil texture image.
3300 */
3301 static GLboolean
3302 _mesa_texstore_z24_s8(TEXSTORE_PARAMS)
3303 {
3304 const GLuint depthScale = 0xffffff;
3305 const GLint srcRowStride
3306 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
3307 / sizeof(GLuint);
3308 GLint img, row;
3309
3310 ASSERT(dstFormat == MESA_FORMAT_Z24_S8);
3311 ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT || srcFormat == GL_DEPTH_COMPONENT);
3312 ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT || srcType == GL_UNSIGNED_INT_24_8_EXT);
3313
3314 if (srcFormat != GL_DEPTH_COMPONENT && ctx->Pixel.DepthScale == 1.0f &&
3315 ctx->Pixel.DepthBias == 0.0f &&
3316 !srcPacking->SwapBytes) {
3317 /* simple path */
3318 memcpy_texture(ctx, dims,
3319 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3320 dstRowStride,
3321 dstImageOffsets,
3322 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3323 srcAddr, srcPacking);
3324 }
3325 else if (srcFormat == GL_DEPTH_COMPONENT) {
3326 /* In case we only upload depth we need to preserve the stencil */
3327 for (img = 0; img < srcDepth; img++) {
3328 GLuint *dstRow = (GLuint *) dstAddr
3329 + dstImageOffsets[dstZoffset + img]
3330 + dstYoffset * dstRowStride / sizeof(GLuint)
3331 + dstXoffset;
3332 const GLuint *src
3333 = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
3334 srcWidth, srcHeight,
3335 srcFormat, srcType,
3336 img, 0, 0);
3337 for (row = 0; row < srcHeight; row++) {
3338 GLuint depth[MAX_WIDTH];
3339 GLubyte stencil[MAX_WIDTH];
3340 GLint i;
3341 GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
3342
3343 if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */
3344 keepstencil = GL_TRUE;
3345 }
3346 else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */
3347 keepdepth = GL_TRUE;
3348 }
3349
3350 if (keepdepth == GL_FALSE)
3351 /* the 24 depth bits will be in the low position: */
3352 _mesa_unpack_depth_span(ctx, srcWidth,
3353 GL_UNSIGNED_INT, /* dst type */
3354 keepstencil ? depth : dstRow, /* dst addr */
3355 depthScale,
3356 srcType, src, srcPacking);
3357
3358 if (keepstencil == GL_FALSE)
3359 /* get the 8-bit stencil values */
3360 _mesa_unpack_stencil_span(ctx, srcWidth,
3361 GL_UNSIGNED_BYTE, /* dst type */
3362 stencil, /* dst addr */
3363 srcType, src, srcPacking,
3364 ctx->_ImageTransferState);
3365
3366 for (i = 0; i < srcWidth; i++) {
3367 if (keepstencil)
3368 dstRow[i] = depth[i] << 8 | (dstRow[i] & 0x000000FF);
3369 else
3370 dstRow[i] = (dstRow[i] & 0xFFFFFF00) | (stencil[i] & 0xFF);
3371 }
3372
3373 src += srcRowStride;
3374 dstRow += dstRowStride / sizeof(GLuint);
3375 }
3376 }
3377 }
3378 return GL_TRUE;
3379 }
3380
3381
3382 /**
3383 * Store a combined depth/stencil texture image.
3384 */
3385 static GLboolean
3386 _mesa_texstore_s8_z24(TEXSTORE_PARAMS)
3387 {
3388 const GLuint depthScale = 0xffffff;
3389 const GLint srcRowStride
3390 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
3391 / sizeof(GLuint);
3392 GLint img, row;
3393
3394 ASSERT(dstFormat == MESA_FORMAT_S8_Z24);
3395 ASSERT(srcFormat == GL_DEPTH_STENCIL_EXT ||
3396 srcFormat == GL_DEPTH_COMPONENT ||
3397 srcFormat == GL_STENCIL_INDEX);
3398 ASSERT(srcFormat != GL_DEPTH_STENCIL_EXT ||
3399 srcType == GL_UNSIGNED_INT_24_8_EXT);
3400
3401 for (img = 0; img < srcDepth; img++) {
3402 GLuint *dstRow = (GLuint *) dstAddr
3403 + dstImageOffsets[dstZoffset + img]
3404 + dstYoffset * dstRowStride / sizeof(GLuint)
3405 + dstXoffset;
3406 const GLuint *src
3407 = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
3408 srcWidth, srcHeight,
3409 srcFormat, srcType,
3410 img, 0, 0);
3411 for (row = 0; row < srcHeight; row++) {
3412 GLuint depth[MAX_WIDTH];
3413 GLubyte stencil[MAX_WIDTH];
3414 GLint i;
3415 GLboolean keepdepth = GL_FALSE, keepstencil = GL_FALSE;
3416
3417 if (srcFormat == GL_DEPTH_COMPONENT) { /* preserve stencil */
3418 keepstencil = GL_TRUE;
3419 }
3420 else if (srcFormat == GL_STENCIL_INDEX) { /* preserve depth */
3421 keepdepth = GL_TRUE;
3422 }
3423
3424 if (keepdepth == GL_FALSE)
3425 /* the 24 depth bits will be in the low position: */
3426 _mesa_unpack_depth_span(ctx, srcWidth,
3427 GL_UNSIGNED_INT, /* dst type */
3428 keepstencil ? depth : dstRow, /* dst addr */
3429 depthScale,
3430 srcType, src, srcPacking);
3431
3432 if (keepstencil == GL_FALSE)
3433 /* get the 8-bit stencil values */
3434 _mesa_unpack_stencil_span(ctx, srcWidth,
3435 GL_UNSIGNED_BYTE, /* dst type */
3436 stencil, /* dst addr */
3437 srcType, src, srcPacking,
3438 ctx->_ImageTransferState);
3439
3440 /* merge stencil values into depth values */
3441 for (i = 0; i < srcWidth; i++) {
3442 if (keepstencil)
3443 dstRow[i] = depth[i] | (dstRow[i] & 0xFF000000);
3444 else
3445 dstRow[i] = (dstRow[i] & 0xFFFFFF) | (stencil[i] << 24);
3446
3447 }
3448 src += srcRowStride;
3449 dstRow += dstRowStride / sizeof(GLuint);
3450 }
3451 }
3452 return GL_TRUE;
3453 }
3454
3455
3456 /**
3457 * Store simple 8-bit/value stencil texture data.
3458 */
3459 static GLboolean
3460 _mesa_texstore_s8(TEXSTORE_PARAMS)
3461 {
3462 ASSERT(dstFormat == MESA_FORMAT_S8);
3463 ASSERT(srcFormat == GL_STENCIL_INDEX);
3464
3465 if (!ctx->_ImageTransferState &&
3466 !srcPacking->SwapBytes &&
3467 baseInternalFormat == srcFormat &&
3468 srcType == GL_UNSIGNED_BYTE) {
3469 /* simple memcpy path */
3470 memcpy_texture(ctx, dims,
3471 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3472 dstRowStride,
3473 dstImageOffsets,
3474 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3475 srcAddr, srcPacking);
3476 }
3477 else {
3478 const GLint srcRowStride
3479 = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType)
3480 / sizeof(GLuint);
3481 GLint img, row;
3482
3483 for (img = 0; img < srcDepth; img++) {
3484 GLubyte *dstRow = (GLubyte *) dstAddr
3485 + dstImageOffsets[dstZoffset + img]
3486 + dstYoffset * dstRowStride / sizeof(GLuint)
3487 + dstXoffset;
3488 const GLuint *src
3489 = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr,
3490 srcWidth, srcHeight,
3491 srcFormat, srcType,
3492 img, 0, 0);
3493 for (row = 0; row < srcHeight; row++) {
3494 GLubyte stencil[MAX_WIDTH];
3495 GLint i;
3496
3497 /* get the 8-bit stencil values */
3498 _mesa_unpack_stencil_span(ctx, srcWidth,
3499 GL_UNSIGNED_BYTE, /* dst type */
3500 stencil, /* dst addr */
3501 srcType, src, srcPacking,
3502 ctx->_ImageTransferState);
3503 /* merge stencil values into depth values */
3504 for (i = 0; i < srcWidth; i++)
3505 dstRow[i] = stencil[i];
3506
3507 src += srcRowStride;
3508 dstRow += dstRowStride / sizeof(GLubyte);
3509 }
3510 }
3511
3512 }
3513
3514 return GL_TRUE;
3515 }
3516
3517
3518 /**
3519 * Store an image in any of the formats:
3520 * _mesa_texformat_rgba_float32
3521 * _mesa_texformat_rgb_float32
3522 * _mesa_texformat_alpha_float32
3523 * _mesa_texformat_luminance_float32
3524 * _mesa_texformat_luminance_alpha_float32
3525 * _mesa_texformat_intensity_float32
3526 */
3527 static GLboolean
3528 _mesa_texstore_rgba_float32(TEXSTORE_PARAMS)
3529 {
3530 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3531 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3532 const GLint components = _mesa_components_in_format(baseFormat);
3533
3534 ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT32 ||
3535 dstFormat == MESA_FORMAT_RGB_FLOAT32 ||
3536 dstFormat == MESA_FORMAT_ALPHA_FLOAT32 ||
3537 dstFormat == MESA_FORMAT_LUMINANCE_FLOAT32 ||
3538 dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32 ||
3539 dstFormat == MESA_FORMAT_INTENSITY_FLOAT32 ||
3540 dstFormat == MESA_FORMAT_R_FLOAT32 ||
3541 dstFormat == MESA_FORMAT_RG_FLOAT32);
3542 ASSERT(baseInternalFormat == GL_RGBA ||
3543 baseInternalFormat == GL_RGB ||
3544 baseInternalFormat == GL_ALPHA ||
3545 baseInternalFormat == GL_LUMINANCE ||
3546 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3547 baseInternalFormat == GL_INTENSITY ||
3548 baseInternalFormat == GL_RED ||
3549 baseInternalFormat == GL_RG);
3550 ASSERT(texelBytes == components * sizeof(GLfloat));
3551
3552 if (!ctx->_ImageTransferState &&
3553 !srcPacking->SwapBytes &&
3554 baseInternalFormat == srcFormat &&
3555 baseInternalFormat == baseFormat &&
3556 srcType == GL_FLOAT) {
3557 /* simple memcpy path */
3558 memcpy_texture(ctx, dims,
3559 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3560 dstRowStride,
3561 dstImageOffsets,
3562 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3563 srcAddr, srcPacking);
3564 }
3565 else {
3566 /* general path */
3567 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3568 baseInternalFormat,
3569 baseFormat,
3570 srcWidth, srcHeight, srcDepth,
3571 srcFormat, srcType, srcAddr,
3572 srcPacking,
3573 ctx->_ImageTransferState);
3574 const GLfloat *srcRow = tempImage;
3575 GLint bytesPerRow;
3576 GLint img, row;
3577 if (!tempImage)
3578 return GL_FALSE;
3579 bytesPerRow = srcWidth * components * sizeof(GLfloat);
3580 for (img = 0; img < srcDepth; img++) {
3581 GLubyte *dstRow = (GLubyte *) dstAddr
3582 + dstImageOffsets[dstZoffset + img] * texelBytes
3583 + dstYoffset * dstRowStride
3584 + dstXoffset * texelBytes;
3585 for (row = 0; row < srcHeight; row++) {
3586 memcpy(dstRow, srcRow, bytesPerRow);
3587 dstRow += dstRowStride;
3588 srcRow += srcWidth * components;
3589 }
3590 }
3591
3592 free((void *) tempImage);
3593 }
3594 return GL_TRUE;
3595 }
3596
3597
3598
3599 /**
3600 * As above, but store 16-bit floats.
3601 */
3602 static GLboolean
3603 _mesa_texstore_rgba_float16(TEXSTORE_PARAMS)
3604 {
3605 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3606 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3607 const GLint components = _mesa_components_in_format(baseFormat);
3608
3609 ASSERT(dstFormat == MESA_FORMAT_RGBA_FLOAT16 ||
3610 dstFormat == MESA_FORMAT_RGB_FLOAT16 ||
3611 dstFormat == MESA_FORMAT_ALPHA_FLOAT16 ||
3612 dstFormat == MESA_FORMAT_LUMINANCE_FLOAT16 ||
3613 dstFormat == MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16 ||
3614 dstFormat == MESA_FORMAT_INTENSITY_FLOAT16 ||
3615 dstFormat == MESA_FORMAT_R_FLOAT16 ||
3616 dstFormat == MESA_FORMAT_RG_FLOAT16);
3617 ASSERT(baseInternalFormat == GL_RGBA ||
3618 baseInternalFormat == GL_RGB ||
3619 baseInternalFormat == GL_ALPHA ||
3620 baseInternalFormat == GL_LUMINANCE ||
3621 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3622 baseInternalFormat == GL_INTENSITY ||
3623 baseInternalFormat == GL_RED ||
3624 baseInternalFormat == GL_RG);
3625 ASSERT(texelBytes == components * sizeof(GLhalfARB));
3626
3627 if (!ctx->_ImageTransferState &&
3628 !srcPacking->SwapBytes &&
3629 baseInternalFormat == srcFormat &&
3630 baseInternalFormat == baseFormat &&
3631 srcType == GL_HALF_FLOAT_ARB) {
3632 /* simple memcpy path */
3633 memcpy_texture(ctx, dims,
3634 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3635 dstRowStride,
3636 dstImageOffsets,
3637 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3638 srcAddr, srcPacking);
3639 }
3640 else {
3641 /* general path */
3642 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3643 baseInternalFormat,
3644 baseFormat,
3645 srcWidth, srcHeight, srcDepth,
3646 srcFormat, srcType, srcAddr,
3647 srcPacking,
3648 ctx->_ImageTransferState);
3649 const GLfloat *src = tempImage;
3650 GLint img, row;
3651 if (!tempImage)
3652 return GL_FALSE;
3653 for (img = 0; img < srcDepth; img++) {
3654 GLubyte *dstRow = (GLubyte *) dstAddr
3655 + dstImageOffsets[dstZoffset + img] * texelBytes
3656 + dstYoffset * dstRowStride
3657 + dstXoffset * texelBytes;
3658 for (row = 0; row < srcHeight; row++) {
3659 GLhalfARB *dstTexel = (GLhalfARB *) dstRow;
3660 GLint i;
3661 for (i = 0; i < srcWidth * components; i++) {
3662 dstTexel[i] = _mesa_float_to_half(src[i]);
3663 }
3664 dstRow += dstRowStride;
3665 src += srcWidth * components;
3666 }
3667 }
3668
3669 free((void *) tempImage);
3670 }
3671 return GL_TRUE;
3672 }
3673
3674
3675 /* non-normalized, signed int8 */
3676 static GLboolean
3677 _mesa_texstore_rgba_int8(TEXSTORE_PARAMS)
3678 {
3679 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3680 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3681 const GLint components = _mesa_components_in_format(baseFormat);
3682
3683 ASSERT(dstFormat == MESA_FORMAT_RGBA_INT8);
3684 ASSERT(baseInternalFormat == GL_RGBA ||
3685 baseInternalFormat == GL_RGB ||
3686 baseInternalFormat == GL_ALPHA ||
3687 baseInternalFormat == GL_LUMINANCE ||
3688 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3689 baseInternalFormat == GL_INTENSITY);
3690 ASSERT(texelBytes == components * sizeof(GLbyte));
3691
3692 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3693 * to integer formats.
3694 */
3695 if (!srcPacking->SwapBytes &&
3696 baseInternalFormat == srcFormat &&
3697 srcType == GL_BYTE) {
3698 /* simple memcpy path */
3699 memcpy_texture(ctx, dims,
3700 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3701 dstRowStride,
3702 dstImageOffsets,
3703 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3704 srcAddr, srcPacking);
3705 }
3706 else {
3707 /* general path */
3708 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3709 baseInternalFormat,
3710 baseFormat,
3711 srcWidth, srcHeight, srcDepth,
3712 srcFormat, srcType, srcAddr,
3713 srcPacking, 0x0);
3714 const GLfloat *src = tempImage;
3715 GLint img, row;
3716 if (!tempImage)
3717 return GL_FALSE;
3718 for (img = 0; img < srcDepth; img++) {
3719 GLubyte *dstRow = (GLubyte *) dstAddr
3720 + dstImageOffsets[dstZoffset + img] * texelBytes
3721 + dstYoffset * dstRowStride
3722 + dstXoffset * texelBytes;
3723 for (row = 0; row < srcHeight; row++) {
3724 GLbyte *dstTexel = (GLbyte *) dstRow;
3725 GLint i;
3726 for (i = 0; i < srcWidth * components; i++) {
3727 dstTexel[i] = (GLbyte) src[i];
3728 }
3729 dstRow += dstRowStride;
3730 src += srcWidth * components;
3731 }
3732 }
3733
3734 free((void *) tempImage);
3735 }
3736 return GL_TRUE;
3737 }
3738
3739
3740 /* non-normalized, signed int16 */
3741 static GLboolean
3742 _mesa_texstore_rgba_int16(TEXSTORE_PARAMS)
3743 {
3744 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3745 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3746 const GLint components = _mesa_components_in_format(baseFormat);
3747
3748 ASSERT(dstFormat == MESA_FORMAT_RGBA_INT16);
3749 ASSERT(baseInternalFormat == GL_RGBA ||
3750 baseInternalFormat == GL_RGB ||
3751 baseInternalFormat == GL_ALPHA ||
3752 baseInternalFormat == GL_LUMINANCE ||
3753 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3754 baseInternalFormat == GL_INTENSITY);
3755 ASSERT(texelBytes == components * sizeof(GLshort));
3756
3757 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3758 * to integer formats.
3759 */
3760 if (!srcPacking->SwapBytes &&
3761 baseInternalFormat == srcFormat &&
3762 srcType == GL_SHORT) {
3763 /* simple memcpy path */
3764 memcpy_texture(ctx, dims,
3765 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3766 dstRowStride,
3767 dstImageOffsets,
3768 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3769 srcAddr, srcPacking);
3770 }
3771 else {
3772 /* general path */
3773 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3774 baseInternalFormat,
3775 baseFormat,
3776 srcWidth, srcHeight, srcDepth,
3777 srcFormat, srcType, srcAddr,
3778 srcPacking, 0x0);
3779 const GLfloat *src = tempImage;
3780 GLint img, row;
3781 if (!tempImage)
3782 return GL_FALSE;
3783 for (img = 0; img < srcDepth; img++) {
3784 GLubyte *dstRow = (GLubyte *) dstAddr
3785 + dstImageOffsets[dstZoffset + img] * texelBytes
3786 + dstYoffset * dstRowStride
3787 + dstXoffset * texelBytes;
3788 for (row = 0; row < srcHeight; row++) {
3789 GLshort *dstTexel = (GLshort *) dstRow;
3790 GLint i;
3791 for (i = 0; i < srcWidth * components; i++) {
3792 dstTexel[i] = (GLint) src[i];
3793 }
3794 dstRow += dstRowStride;
3795 src += srcWidth * components;
3796 }
3797 }
3798
3799 free((void *) tempImage);
3800 }
3801 return GL_TRUE;
3802 }
3803
3804
3805 /* non-normalized, signed int32 */
3806 static GLboolean
3807 _mesa_texstore_rgba_int32(TEXSTORE_PARAMS)
3808 {
3809 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3810 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3811 const GLint components = _mesa_components_in_format(baseFormat);
3812
3813 ASSERT(dstFormat == MESA_FORMAT_RGBA_INT32);
3814 ASSERT(baseInternalFormat == GL_RGBA ||
3815 baseInternalFormat == GL_RGB ||
3816 baseInternalFormat == GL_ALPHA ||
3817 baseInternalFormat == GL_LUMINANCE ||
3818 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3819 baseInternalFormat == GL_INTENSITY);
3820 ASSERT(texelBytes == components * sizeof(GLint));
3821
3822 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3823 * to integer formats.
3824 */
3825 if (!srcPacking->SwapBytes &&
3826 baseInternalFormat == srcFormat &&
3827 srcType == GL_INT) {
3828 /* simple memcpy path */
3829 memcpy_texture(ctx, dims,
3830 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3831 dstRowStride,
3832 dstImageOffsets,
3833 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3834 srcAddr, srcPacking);
3835 }
3836 else {
3837 /* general path */
3838 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
3839 baseInternalFormat,
3840 baseFormat,
3841 srcWidth, srcHeight, srcDepth,
3842 srcFormat, srcType, srcAddr,
3843 srcPacking, 0x0);
3844 const GLfloat *src = tempImage;
3845 GLint img, row;
3846 if (!tempImage)
3847 return GL_FALSE;
3848 for (img = 0; img < srcDepth; img++) {
3849 GLubyte *dstRow = (GLubyte *) dstAddr
3850 + dstImageOffsets[dstZoffset + img] * texelBytes
3851 + dstYoffset * dstRowStride
3852 + dstXoffset * texelBytes;
3853 for (row = 0; row < srcHeight; row++) {
3854 GLint *dstTexel = (GLint *) dstRow;
3855 GLint i;
3856 for (i = 0; i < srcWidth * components; i++) {
3857 dstTexel[i] = (GLint) src[i];
3858 }
3859 dstRow += dstRowStride;
3860 src += srcWidth * components;
3861 }
3862 }
3863
3864 free((void *) tempImage);
3865 }
3866 return GL_TRUE;
3867 }
3868
3869
3870 /* non-normalized, unsigned int8 */
3871 static GLboolean
3872 _mesa_texstore_rgba_uint8(TEXSTORE_PARAMS)
3873 {
3874 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3875 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3876 const GLint components = _mesa_components_in_format(baseFormat);
3877
3878 ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT8);
3879 ASSERT(baseInternalFormat == GL_RGBA ||
3880 baseInternalFormat == GL_RGB ||
3881 baseInternalFormat == GL_ALPHA ||
3882 baseInternalFormat == GL_LUMINANCE ||
3883 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3884 baseInternalFormat == GL_INTENSITY);
3885 ASSERT(texelBytes == components * sizeof(GLubyte));
3886
3887 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3888 * to integer formats.
3889 */
3890 if (!srcPacking->SwapBytes &&
3891 baseInternalFormat == srcFormat &&
3892 srcType == GL_UNSIGNED_BYTE) {
3893 /* simple memcpy path */
3894 memcpy_texture(ctx, dims,
3895 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3896 dstRowStride,
3897 dstImageOffsets,
3898 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3899 srcAddr, srcPacking);
3900 }
3901 else {
3902 /* general path */
3903 const GLuint *tempImage =
3904 make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
3905 srcWidth, srcHeight, srcDepth,
3906 srcFormat, srcType, srcAddr, srcPacking);
3907 const GLuint *src = tempImage;
3908 GLint img, row;
3909 if (!tempImage)
3910 return GL_FALSE;
3911 for (img = 0; img < srcDepth; img++) {
3912 GLubyte *dstRow = (GLubyte *) dstAddr
3913 + dstImageOffsets[dstZoffset + img] * texelBytes
3914 + dstYoffset * dstRowStride
3915 + dstXoffset * texelBytes;
3916 for (row = 0; row < srcHeight; row++) {
3917 GLubyte *dstTexel = (GLubyte *) dstRow;
3918 GLint i;
3919 for (i = 0; i < srcWidth * components; i++) {
3920 dstTexel[i] = (GLubyte) CLAMP(src[i], 0, 0xff);
3921 }
3922 dstRow += dstRowStride;
3923 src += srcWidth * components;
3924 }
3925 }
3926
3927 free((void *) tempImage);
3928 }
3929 return GL_TRUE;
3930 }
3931
3932
3933 /* non-normalized, unsigned int16 */
3934 static GLboolean
3935 _mesa_texstore_rgba_uint16(TEXSTORE_PARAMS)
3936 {
3937 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
3938 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
3939 const GLint components = _mesa_components_in_format(baseFormat);
3940
3941 ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT16);
3942 ASSERT(baseInternalFormat == GL_RGBA ||
3943 baseInternalFormat == GL_RGB ||
3944 baseInternalFormat == GL_ALPHA ||
3945 baseInternalFormat == GL_LUMINANCE ||
3946 baseInternalFormat == GL_LUMINANCE_ALPHA ||
3947 baseInternalFormat == GL_INTENSITY);
3948 ASSERT(texelBytes == components * sizeof(GLushort));
3949
3950 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
3951 * to integer formats.
3952 */
3953 if (!srcPacking->SwapBytes &&
3954 baseInternalFormat == srcFormat &&
3955 srcType == GL_UNSIGNED_SHORT) {
3956 /* simple memcpy path */
3957 memcpy_texture(ctx, dims,
3958 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
3959 dstRowStride,
3960 dstImageOffsets,
3961 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
3962 srcAddr, srcPacking);
3963 }
3964 else {
3965 /* general path */
3966 const GLuint *tempImage =
3967 make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
3968 srcWidth, srcHeight, srcDepth,
3969 srcFormat, srcType, srcAddr, srcPacking);
3970 const GLuint *src = tempImage;
3971 GLint img, row;
3972 if (!tempImage)
3973 return GL_FALSE;
3974 for (img = 0; img < srcDepth; img++) {
3975 GLubyte *dstRow = (GLubyte *) dstAddr
3976 + dstImageOffsets[dstZoffset + img] * texelBytes
3977 + dstYoffset * dstRowStride
3978 + dstXoffset * texelBytes;
3979 for (row = 0; row < srcHeight; row++) {
3980 GLushort *dstTexel = (GLushort *) dstRow;
3981 GLint i;
3982 for (i = 0; i < srcWidth * components; i++) {
3983 dstTexel[i] = (GLushort) CLAMP(src[i], 0, 0xffff);
3984 }
3985 dstRow += dstRowStride;
3986 src += srcWidth * components;
3987 }
3988 }
3989
3990 free((void *) tempImage);
3991 }
3992 return GL_TRUE;
3993 }
3994
3995
3996 /* non-normalized, unsigned int32 */
3997 static GLboolean
3998 _mesa_texstore_rgba_uint32(TEXSTORE_PARAMS)
3999 {
4000 const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
4001 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
4002 const GLint components = _mesa_components_in_format(baseFormat);
4003
4004 ASSERT(dstFormat == MESA_FORMAT_RGBA_UINT32);
4005 ASSERT(baseInternalFormat == GL_RGBA ||
4006 baseInternalFormat == GL_RGB ||
4007 baseInternalFormat == GL_ALPHA ||
4008 baseInternalFormat == GL_LUMINANCE ||
4009 baseInternalFormat == GL_LUMINANCE_ALPHA ||
4010 baseInternalFormat == GL_INTENSITY);
4011 ASSERT(texelBytes == components * sizeof(GLuint));
4012
4013 /* Note: Pixel transfer ops (scale, bias, table lookup) do not apply
4014 * to integer formats.
4015 */
4016 if (!srcPacking->SwapBytes &&
4017 baseInternalFormat == srcFormat &&
4018 srcType == GL_UNSIGNED_INT) {
4019 /* simple memcpy path */
4020 memcpy_texture(ctx, dims,
4021 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
4022 dstRowStride,
4023 dstImageOffsets,
4024 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
4025 srcAddr, srcPacking);
4026 }
4027 else {
4028 /* general path */
4029 const GLuint *tempImage =
4030 make_temp_uint_image(ctx, dims, baseInternalFormat, baseFormat,
4031 srcWidth, srcHeight, srcDepth,
4032 srcFormat, srcType, srcAddr, srcPacking);
4033 const GLuint *src = tempImage;
4034 GLint img, row;
4035 if (!tempImage)
4036 return GL_FALSE;
4037 for (img = 0; img < srcDepth; img++) {
4038 GLubyte *dstRow = (GLubyte *) dstAddr
4039 + dstImageOffsets[dstZoffset + img] * texelBytes
4040 + dstYoffset * dstRowStride
4041 + dstXoffset * texelBytes;
4042 for (row = 0; row < srcHeight; row++) {
4043 GLuint *dstTexel = (GLuint *) dstRow;
4044 GLint i;
4045 for (i = 0; i < srcWidth * components; i++) {
4046 dstTexel[i] = src[i];
4047 }
4048 dstRow += dstRowStride;
4049 src += srcWidth * components;
4050 }
4051 }
4052
4053 free((void *) tempImage);
4054 }
4055 return GL_TRUE;
4056 }
4057
4058
4059
4060
4061 #if FEATURE_EXT_texture_sRGB
4062 static GLboolean
4063 _mesa_texstore_srgb8(TEXSTORE_PARAMS)
4064 {
4065 gl_format newDstFormat;
4066 GLboolean k;
4067
4068 ASSERT(dstFormat == MESA_FORMAT_SRGB8);
4069
4070 /* reuse normal rgb texstore code */
4071 newDstFormat = MESA_FORMAT_RGB888;
4072
4073 k = _mesa_texstore_rgb888(ctx, dims, baseInternalFormat,
4074 newDstFormat, dstAddr,
4075 dstXoffset, dstYoffset, dstZoffset,
4076 dstRowStride, dstImageOffsets,
4077 srcWidth, srcHeight, srcDepth,
4078 srcFormat, srcType,
4079 srcAddr, srcPacking);
4080 return k;
4081 }
4082
4083
4084 static GLboolean
4085 _mesa_texstore_srgba8(TEXSTORE_PARAMS)
4086 {
4087 gl_format newDstFormat;
4088 GLboolean k;
4089
4090 ASSERT(dstFormat == MESA_FORMAT_SRGBA8);
4091
4092 /* reuse normal rgba texstore code */
4093 newDstFormat = MESA_FORMAT_RGBA8888;
4094 k = _mesa_texstore_rgba8888(ctx, dims, baseInternalFormat,
4095 newDstFormat, dstAddr,
4096 dstXoffset, dstYoffset, dstZoffset,
4097 dstRowStride, dstImageOffsets,
4098 srcWidth, srcHeight, srcDepth,
4099 srcFormat, srcType,
4100 srcAddr, srcPacking);
4101 return k;
4102 }
4103
4104
4105 static GLboolean
4106 _mesa_texstore_sargb8(TEXSTORE_PARAMS)
4107 {
4108 gl_format newDstFormat;
4109 GLboolean k;
4110
4111 ASSERT(dstFormat == MESA_FORMAT_SARGB8);
4112
4113 /* reuse normal rgba texstore code */
4114 newDstFormat = MESA_FORMAT_ARGB8888;
4115
4116 k = _mesa_texstore_argb8888(ctx, dims, baseInternalFormat,
4117 newDstFormat, dstAddr,
4118 dstXoffset, dstYoffset, dstZoffset,
4119 dstRowStride, dstImageOffsets,
4120 srcWidth, srcHeight, srcDepth,
4121 srcFormat, srcType,
4122 srcAddr, srcPacking);
4123 return k;
4124 }
4125
4126
4127 static GLboolean
4128 _mesa_texstore_sl8(TEXSTORE_PARAMS)
4129 {
4130 gl_format newDstFormat;
4131 GLboolean k;
4132
4133 ASSERT(dstFormat == MESA_FORMAT_SL8);
4134
4135 newDstFormat = MESA_FORMAT_L8;
4136
4137 /* _mesa_textore_a8 handles luminance8 too */
4138 k = _mesa_texstore_unorm8(ctx, dims, baseInternalFormat,
4139 newDstFormat, dstAddr,
4140 dstXoffset, dstYoffset, dstZoffset,
4141 dstRowStride, dstImageOffsets,
4142 srcWidth, srcHeight, srcDepth,
4143 srcFormat, srcType,
4144 srcAddr, srcPacking);
4145 return k;
4146 }
4147
4148
4149 static GLboolean
4150 _mesa_texstore_sla8(TEXSTORE_PARAMS)
4151 {
4152 gl_format newDstFormat;
4153 GLboolean k;
4154
4155 ASSERT(dstFormat == MESA_FORMAT_SLA8);
4156
4157 /* reuse normal luminance/alpha texstore code */
4158 newDstFormat = MESA_FORMAT_AL88;
4159
4160 k = _mesa_texstore_unorm88(ctx, dims, baseInternalFormat,
4161 newDstFormat, dstAddr,
4162 dstXoffset, dstYoffset, dstZoffset,
4163 dstRowStride, dstImageOffsets,
4164 srcWidth, srcHeight, srcDepth,
4165 srcFormat, srcType,
4166 srcAddr, srcPacking);
4167 return k;
4168 }
4169
4170 #else
4171
4172 /* these are used only in texstore_funcs[] below */
4173 #define _mesa_texstore_srgb8 NULL
4174 #define _mesa_texstore_srgba8 NULL
4175 #define _mesa_texstore_sargb8 NULL
4176 #define _mesa_texstore_sl8 NULL
4177 #define _mesa_texstore_sla8 NULL
4178
4179 #endif /* FEATURE_EXT_texture_sRGB */
4180
4181 static GLboolean
4182 _mesa_texstore_rgb9_e5(TEXSTORE_PARAMS)
4183 {
4184 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
4185
4186 ASSERT(dstFormat == MESA_FORMAT_RGB9_E5_FLOAT);
4187 ASSERT(baseInternalFormat == GL_RGB);
4188
4189 if (!ctx->_ImageTransferState &&
4190 !srcPacking->SwapBytes &&
4191 srcFormat == GL_RGB &&
4192 srcType == GL_UNSIGNED_INT_5_9_9_9_REV) {
4193 /* simple memcpy path */
4194 memcpy_texture(ctx, dims,
4195 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
4196 dstRowStride,
4197 dstImageOffsets,
4198 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
4199 srcAddr, srcPacking);
4200 }
4201 else {
4202 /* general path */
4203 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
4204 baseInternalFormat,
4205 baseFormat,
4206 srcWidth, srcHeight, srcDepth,
4207 srcFormat, srcType, srcAddr,
4208 srcPacking,
4209 ctx->_ImageTransferState);
4210 const GLfloat *srcRow = tempImage;
4211 GLint img, row, col;
4212 if (!tempImage)
4213 return GL_FALSE;
4214 for (img = 0; img < srcDepth; img++) {
4215 GLubyte *dstRow = (GLubyte *) dstAddr
4216 + dstImageOffsets[dstZoffset + img] * 4
4217 + dstYoffset * dstRowStride
4218 + dstXoffset * 4;
4219 for (row = 0; row < srcHeight; row++) {
4220 GLuint *dstUI = (GLuint*)dstRow;
4221 for (col = 0; col < srcWidth; col++) {
4222 dstUI[col] = float3_to_rgb9e5(&srcRow[col * 3]);
4223 }
4224 dstRow += dstRowStride;
4225 srcRow += srcWidth * 3;
4226 }
4227 }
4228
4229 free((void *) tempImage);
4230 }
4231 return GL_TRUE;
4232 }
4233
4234 static GLboolean
4235 _mesa_texstore_r11_g11_b10f(TEXSTORE_PARAMS)
4236 {
4237 const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
4238
4239 ASSERT(dstFormat == MESA_FORMAT_R11_G11_B10_FLOAT);
4240 ASSERT(baseInternalFormat == GL_RGB);
4241
4242 if (!ctx->_ImageTransferState &&
4243 !srcPacking->SwapBytes &&
4244 srcFormat == GL_RGB &&
4245 srcType == GL_UNSIGNED_INT_10F_11F_11F_REV) {
4246 /* simple memcpy path */
4247 memcpy_texture(ctx, dims,
4248 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
4249 dstRowStride,
4250 dstImageOffsets,
4251 srcWidth, srcHeight, srcDepth, srcFormat, srcType,
4252 srcAddr, srcPacking);
4253 }
4254 else {
4255 /* general path */
4256 const GLfloat *tempImage = _mesa_make_temp_float_image(ctx, dims,
4257 baseInternalFormat,
4258 baseFormat,
4259 srcWidth, srcHeight, srcDepth,
4260 srcFormat, srcType, srcAddr,
4261 srcPacking,
4262 ctx->_ImageTransferState);
4263 const GLfloat *srcRow = tempImage;
4264 GLint img, row, col;
4265 if (!tempImage)
4266 return GL_FALSE;
4267 for (img = 0; img < srcDepth; img++) {
4268 GLubyte *dstRow = (GLubyte *) dstAddr
4269 + dstImageOffsets[dstZoffset + img] * 4
4270 + dstYoffset * dstRowStride
4271 + dstXoffset * 4;
4272 for (row = 0; row < srcHeight; row++) {
4273 GLuint *dstUI = (GLuint*)dstRow;
4274 for (col = 0; col < srcWidth; col++) {
4275 dstUI[col] = float3_to_r11g11b10f(&srcRow[col * 3]);
4276 }
4277 dstRow += dstRowStride;
4278 srcRow += srcWidth * 3;
4279 }
4280 }
4281
4282 free((void *) tempImage);
4283 }
4284 return GL_TRUE;
4285 }
4286
4287
4288
4289 /**
4290 * Table mapping MESA_FORMAT_* to _mesa_texstore_*()
4291 * XXX this is somewhat temporary.
4292 */
4293 static const struct {
4294 gl_format Name;
4295 StoreTexImageFunc Store;
4296 }
4297 texstore_funcs[MESA_FORMAT_COUNT] =
4298 {
4299 { MESA_FORMAT_NONE, NULL },
4300 { MESA_FORMAT_RGBA8888, _mesa_texstore_rgba8888 },
4301 { MESA_FORMAT_RGBA8888_REV, _mesa_texstore_rgba8888 },
4302 { MESA_FORMAT_ARGB8888, _mesa_texstore_argb8888 },
4303 { MESA_FORMAT_ARGB8888_REV, _mesa_texstore_argb8888 },
4304 { MESA_FORMAT_XRGB8888, _mesa_texstore_argb8888 },
4305 { MESA_FORMAT_XRGB8888_REV, _mesa_texstore_argb8888 },
4306 { MESA_FORMAT_RGB888, _mesa_texstore_rgb888 },
4307 { MESA_FORMAT_BGR888, _mesa_texstore_bgr888 },
4308 { MESA_FORMAT_RGB565, _mesa_texstore_rgb565 },
4309 { MESA_FORMAT_RGB565_REV, _mesa_texstore_rgb565 },
4310 { MESA_FORMAT_ARGB4444, _mesa_texstore_argb4444 },
4311 { MESA_FORMAT_ARGB4444_REV, _mesa_texstore_argb4444 },
4312 { MESA_FORMAT_RGBA5551, _mesa_texstore_rgba5551 },
4313 { MESA_FORMAT_ARGB1555, _mesa_texstore_argb1555 },
4314 { MESA_FORMAT_ARGB1555_REV, _mesa_texstore_argb1555 },
4315 { MESA_FORMAT_AL44, _mesa_texstore_unorm44 },
4316 { MESA_FORMAT_AL88, _mesa_texstore_unorm88 },
4317 { MESA_FORMAT_AL88_REV, _mesa_texstore_unorm88 },
4318 { MESA_FORMAT_AL1616, _mesa_texstore_unorm1616 },
4319 { MESA_FORMAT_AL1616_REV, _mesa_texstore_unorm1616 },
4320 { MESA_FORMAT_RGB332, _mesa_texstore_rgb332 },
4321 { MESA_FORMAT_A8, _mesa_texstore_unorm8 },
4322 { MESA_FORMAT_A16, _mesa_texstore_unorm16 },
4323 { MESA_FORMAT_L8, _mesa_texstore_unorm8 },
4324 { MESA_FORMAT_L16, _mesa_texstore_unorm16 },
4325 { MESA_FORMAT_I8, _mesa_texstore_unorm8 },
4326 { MESA_FORMAT_I16, _mesa_texstore_unorm16 },
4327 { MESA_FORMAT_CI8, _mesa_texstore_ci8 },
4328 { MESA_FORMAT_YCBCR, _mesa_texstore_ycbcr },
4329 { MESA_FORMAT_YCBCR_REV, _mesa_texstore_ycbcr },
4330 { MESA_FORMAT_R8, _mesa_texstore_unorm8 },
4331 { MESA_FORMAT_RG88, _mesa_texstore_unorm88 },
4332 { MESA_FORMAT_RG88_REV, _mesa_texstore_unorm88 },
4333 { MESA_FORMAT_R16, _mesa_texstore_unorm16 },
4334 { MESA_FORMAT_RG1616, _mesa_texstore_unorm1616 },
4335 { MESA_FORMAT_RG1616_REV, _mesa_texstore_unorm1616 },
4336 { MESA_FORMAT_ARGB2101010, _mesa_texstore_argb2101010 },
4337 { MESA_FORMAT_Z24_S8, _mesa_texstore_z24_s8 },
4338 { MESA_FORMAT_S8_Z24, _mesa_texstore_s8_z24 },
4339 { MESA_FORMAT_Z16, _mesa_texstore_z16 },
4340 { MESA_FORMAT_X8_Z24, _mesa_texstore_x8_z24 },
4341 { MESA_FORMAT_Z24_X8, _mesa_texstore_z24_x8 },
4342 { MESA_FORMAT_Z32, _mesa_texstore_z32 },
4343 { MESA_FORMAT_S8, _mesa_texstore_s8 },
4344 { MESA_FORMAT_SRGB8, _mesa_texstore_srgb8 },
4345 { MESA_FORMAT_SRGBA8, _mesa_texstore_srgba8 },
4346 { MESA_FORMAT_SARGB8, _mesa_texstore_sargb8 },
4347 { MESA_FORMAT_SL8, _mesa_texstore_sl8 },
4348 { MESA_FORMAT_SLA8, _mesa_texstore_sla8 },
4349 { MESA_FORMAT_SRGB_DXT1, _mesa_texstore_rgb_dxt1 },
4350 { MESA_FORMAT_SRGBA_DXT1, _mesa_texstore_rgba_dxt1 },
4351 { MESA_FORMAT_SRGBA_DXT3, _mesa_texstore_rgba_dxt3 },
4352 { MESA_FORMAT_SRGBA_DXT5, _mesa_texstore_rgba_dxt5 },
4353 { MESA_FORMAT_RGB_FXT1, _mesa_texstore_rgb_fxt1 },
4354 { MESA_FORMAT_RGBA_FXT1, _mesa_texstore_rgba_fxt1 },
4355 { MESA_FORMAT_RGB_DXT1, _mesa_texstore_rgb_dxt1 },
4356 { MESA_FORMAT_RGBA_DXT1, _mesa_texstore_rgba_dxt1 },
4357 { MESA_FORMAT_RGBA_DXT3, _mesa_texstore_rgba_dxt3 },
4358 { MESA_FORMAT_RGBA_DXT5, _mesa_texstore_rgba_dxt5 },
4359 { MESA_FORMAT_RGBA_FLOAT32, _mesa_texstore_rgba_float32 },
4360 { MESA_FORMAT_RGBA_FLOAT16, _mesa_texstore_rgba_float16 },
4361 { MESA_FORMAT_RGB_FLOAT32, _mesa_texstore_rgba_float32 },
4362 { MESA_FORMAT_RGB_FLOAT16, _mesa_texstore_rgba_float16 },
4363 { MESA_FORMAT_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },
4364 { MESA_FORMAT_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
4365 { MESA_FORMAT_LUMINANCE_FLOAT32, _mesa_texstore_rgba_float32 },
4366 { MESA_FORMAT_LUMINANCE_FLOAT16, _mesa_texstore_rgba_float16 },
4367 { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32, _mesa_texstore_rgba_float32 },
4368 { MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16, _mesa_texstore_rgba_float16 },
4369 { MESA_FORMAT_INTENSITY_FLOAT32, _mesa_texstore_rgba_float32 },
4370 { MESA_FORMAT_INTENSITY_FLOAT16, _mesa_texstore_rgba_float16 },
4371 { MESA_FORMAT_R_FLOAT32, _mesa_texstore_rgba_float32 },
4372 { MESA_FORMAT_R_FLOAT16, _mesa_texstore_rgba_float16 },
4373 { MESA_FORMAT_RG_FLOAT32, _mesa_texstore_rgba_float32 },
4374 { MESA_FORMAT_RG_FLOAT16, _mesa_texstore_rgba_float16 },
4375
4376 { MESA_FORMAT_RGBA_INT8, _mesa_texstore_rgba_int8 },
4377 { MESA_FORMAT_RGBA_INT16, _mesa_texstore_rgba_int16 },
4378 { MESA_FORMAT_RGBA_INT32, _mesa_texstore_rgba_int32 },
4379 { MESA_FORMAT_RGBA_UINT8, _mesa_texstore_rgba_uint8 },
4380 { MESA_FORMAT_RGBA_UINT16, _mesa_texstore_rgba_uint16 },
4381 { MESA_FORMAT_RGBA_UINT32, _mesa_texstore_rgba_uint32 },
4382
4383 { MESA_FORMAT_DUDV8, _mesa_texstore_dudv8 },
4384
4385 { MESA_FORMAT_SIGNED_R8, _mesa_texstore_snorm8 },
4386 { MESA_FORMAT_SIGNED_RG88_REV, _mesa_texstore_snorm88 },
4387 { MESA_FORMAT_SIGNED_RGBX8888, _mesa_texstore_signed_rgbx8888 },
4388
4389 { MESA_FORMAT_SIGNED_RGBA8888, _mesa_texstore_signed_rgba8888 },
4390 { MESA_FORMAT_SIGNED_RGBA8888_REV, _mesa_texstore_signed_rgba8888 },
4391
4392 { MESA_FORMAT_SIGNED_R16, _mesa_texstore_snorm16 },
4393 { MESA_FORMAT_SIGNED_GR1616, _mesa_texstore_snorm1616 },
4394 { MESA_FORMAT_SIGNED_RGB_16, _mesa_texstore_signed_rgba_16 },
4395 { MESA_FORMAT_SIGNED_RGBA_16, _mesa_texstore_signed_rgba_16 },
4396 { MESA_FORMAT_RGBA_16, _mesa_texstore_rgba_16 },
4397
4398 { MESA_FORMAT_RED_RGTC1, _mesa_texstore_red_rgtc1 },
4399 { MESA_FORMAT_SIGNED_RED_RGTC1, _mesa_texstore_signed_red_rgtc1 },
4400 { MESA_FORMAT_RG_RGTC2, _mesa_texstore_rg_rgtc2 },
4401 { MESA_FORMAT_SIGNED_RG_RGTC2, _mesa_texstore_signed_rg_rgtc2 },
4402
4403 /* Re-use the R/RG texstore functions.
4404 * The code is generic enough to handle LATC too. */
4405 { MESA_FORMAT_L_LATC1, _mesa_texstore_red_rgtc1 },
4406 { MESA_FORMAT_SIGNED_L_LATC1, _mesa_texstore_signed_red_rgtc1 },
4407 { MESA_FORMAT_LA_LATC2, _mesa_texstore_rg_rgtc2 },
4408 { MESA_FORMAT_SIGNED_LA_LATC2, _mesa_texstore_signed_rg_rgtc2 },
4409
4410 { MESA_FORMAT_SIGNED_A8, _mesa_texstore_snorm8 },
4411 { MESA_FORMAT_SIGNED_L8, _mesa_texstore_snorm8 },
4412 { MESA_FORMAT_SIGNED_AL88, _mesa_texstore_snorm88 },
4413 { MESA_FORMAT_SIGNED_I8, _mesa_texstore_snorm8 },
4414
4415 { MESA_FORMAT_SIGNED_A16, _mesa_texstore_snorm16 },
4416 { MESA_FORMAT_SIGNED_L16, _mesa_texstore_snorm16 },
4417 { MESA_FORMAT_SIGNED_AL1616, _mesa_texstore_snorm1616 },
4418 { MESA_FORMAT_SIGNED_I16, _mesa_texstore_snorm16 },
4419
4420 { MESA_FORMAT_RGB9_E5_FLOAT, _mesa_texstore_rgb9_e5 },
4421 { MESA_FORMAT_R11_G11_B10_FLOAT, _mesa_texstore_r11_g11_b10f },
4422 };
4423
4424
4425 static GLboolean
4426 _mesa_texstore_null(TEXSTORE_PARAMS)
4427 {
4428 (void) ctx; (void) dims;
4429 (void) baseInternalFormat;
4430 (void) dstFormat;
4431 (void) dstAddr;
4432 (void) dstXoffset; (void) dstYoffset; (void) dstZoffset;
4433 (void) dstRowStride; (void) dstImageOffsets;
4434 (void) srcWidth; (void) srcHeight; (void) srcDepth;
4435 (void) srcFormat; (void) srcType;
4436 (void) srcAddr;
4437 (void) srcPacking;
4438
4439 /* should never happen */
4440 _mesa_problem(NULL, "_mesa_texstore_null() is called");
4441 return GL_FALSE;
4442 }
4443
4444
4445 /**
4446 * Return the StoreTexImageFunc pointer to store an image in the given format.
4447 */
4448 static StoreTexImageFunc
4449 _mesa_get_texstore_func(gl_format format)
4450 {
4451 #ifdef DEBUG
4452 GLuint i;
4453 for (i = 0; i < MESA_FORMAT_COUNT; i++) {
4454 ASSERT(texstore_funcs[i].Name == i);
4455 }
4456 #endif
4457 ASSERT(texstore_funcs[format].Name == format);
4458
4459 if (texstore_funcs[format].Store)
4460 return texstore_funcs[format].Store;
4461 else
4462 return _mesa_texstore_null;
4463 }
4464
4465
4466 /**
4467 * Store user data into texture memory.
4468 * Called via glTex[Sub]Image1/2/3D()
4469 */
4470 GLboolean
4471 _mesa_texstore(TEXSTORE_PARAMS)
4472 {
4473 StoreTexImageFunc storeImage;
4474 GLboolean success;
4475
4476 storeImage = _mesa_get_texstore_func(dstFormat);
4477
4478 success = storeImage(ctx, dims, baseInternalFormat,
4479 dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
4480 dstRowStride, dstImageOffsets,
4481 srcWidth, srcHeight, srcDepth,
4482 srcFormat, srcType, srcAddr, srcPacking);
4483 return success;
4484 }
4485
4486
4487 /** Return texture size in bytes */
4488 static GLuint
4489 texture_size(const struct gl_texture_image *texImage)
4490 {
4491 GLuint sz = _mesa_format_image_size(texImage->TexFormat, texImage->Width,
4492 texImage->Height, texImage->Depth);
4493 return sz;
4494 }
4495
4496
4497 /** Return row stride in bytes */
4498 static GLuint
4499 texture_row_stride(const struct gl_texture_image *texImage)
4500 {
4501 GLuint stride = _mesa_format_row_stride(texImage->TexFormat,
4502 texImage->Width);
4503 return stride;
4504 }
4505
4506
4507
4508 /**
4509 * This is the software fallback for Driver.TexImage1D()
4510 * and Driver.CopyTexImage1D().
4511 * \sa _mesa_store_teximage2d()
4512 */
4513 void
4514 _mesa_store_teximage1d(struct gl_context *ctx, GLenum target, GLint level,
4515 GLint internalFormat,
4516 GLint width, GLint border,
4517 GLenum format, GLenum type, const GLvoid *pixels,
4518 const struct gl_pixelstore_attrib *packing,
4519 struct gl_texture_object *texObj,
4520 struct gl_texture_image *texImage)
4521 {
4522 GLuint sizeInBytes;
4523 (void) border;
4524
4525 /* allocate memory */
4526 sizeInBytes = texture_size(texImage);
4527 texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
4528 if (!texImage->Data) {
4529 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
4530 return;
4531 }
4532
4533 pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type,
4534 pixels, packing, "glTexImage1D");
4535 if (!pixels) {
4536 /* Note: we check for a NULL image pointer here, _after_ we allocated
4537 * memory for the texture. That's what the GL spec calls for.
4538 */
4539 return;
4540 }
4541 else {
4542 const GLint dstRowStride = 0;
4543 GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,
4544 texImage->TexFormat,
4545 texImage->Data,
4546 0, 0, 0, /* dstX/Y/Zoffset */
4547 dstRowStride,
4548 texImage->ImageOffsets,
4549 width, 1, 1,
4550 format, type, pixels, packing);
4551 if (!success) {
4552 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
4553 }
4554 }
4555
4556 _mesa_unmap_teximage_pbo(ctx, packing);
4557 }
4558
4559
4560 /**
4561 * This is the software fallback for Driver.TexImage2D()
4562 * and Driver.CopyTexImage2D().
4563 *
4564 * This function is oriented toward storing images in main memory, rather
4565 * than VRAM. Device driver's can easily plug in their own replacement.
4566 */
4567 void
4568 _mesa_store_teximage2d(struct gl_context *ctx, GLenum target, GLint level,
4569 GLint internalFormat,
4570 GLint width, GLint height, GLint border,
4571 GLenum format, GLenum type, const void *pixels,
4572 const struct gl_pixelstore_attrib *packing,
4573 struct gl_texture_object *texObj,
4574 struct gl_texture_image *texImage)
4575 {
4576 GLuint sizeInBytes;
4577 (void) border;
4578
4579 /* allocate memory */
4580 sizeInBytes = texture_size(texImage);
4581 texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
4582 if (!texImage->Data) {
4583 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
4584 return;
4585 }
4586
4587 pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type,
4588 pixels, packing, "glTexImage2D");
4589 if (!pixels) {
4590 /* Note: we check for a NULL image pointer here, _after_ we allocated
4591 * memory for the texture. That's what the GL spec calls for.
4592 */
4593 return;
4594 }
4595 else {
4596 GLint dstRowStride = texture_row_stride(texImage);
4597 GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,
4598 texImage->TexFormat,
4599 texImage->Data,
4600 0, 0, 0, /* dstX/Y/Zoffset */
4601 dstRowStride,
4602 texImage->ImageOffsets,
4603 width, height, 1,
4604 format, type, pixels, packing);
4605 if (!success) {
4606 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
4607 }
4608 }
4609
4610 _mesa_unmap_teximage_pbo(ctx, packing);
4611 }
4612
4613
4614
4615 /**
4616 * This is the software fallback for Driver.TexImage3D()
4617 * and Driver.CopyTexImage3D().
4618 * \sa _mesa_store_teximage2d()
4619 */
4620 void
4621 _mesa_store_teximage3d(struct gl_context *ctx, GLenum target, GLint level,
4622 GLint internalFormat,
4623 GLint width, GLint height, GLint depth, GLint border,
4624 GLenum format, GLenum type, const void *pixels,
4625 const struct gl_pixelstore_attrib *packing,
4626 struct gl_texture_object *texObj,
4627 struct gl_texture_image *texImage)
4628 {
4629 GLuint sizeInBytes;
4630 (void) border;
4631
4632 /* allocate memory */
4633 sizeInBytes = texture_size(texImage);
4634 texImage->Data = _mesa_alloc_texmemory(sizeInBytes);
4635 if (!texImage->Data) {
4636 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
4637 return;
4638 }
4639
4640 pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format,
4641 type, pixels, packing, "glTexImage3D");
4642 if (!pixels) {
4643 /* Note: we check for a NULL image pointer here, _after_ we allocated
4644 * memory for the texture. That's what the GL spec calls for.
4645 */
4646 return;
4647 }
4648 else {
4649 GLint dstRowStride = texture_row_stride(texImage);
4650 GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,
4651 texImage->TexFormat,
4652 texImage->Data,
4653 0, 0, 0, /* dstX/Y/Zoffset */
4654 dstRowStride,
4655 texImage->ImageOffsets,
4656 width, height, depth,
4657 format, type, pixels, packing);
4658 if (!success) {
4659 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
4660 }
4661 }
4662
4663 _mesa_unmap_teximage_pbo(ctx, packing);
4664 }
4665
4666
4667
4668
4669 /*
4670 * This is the software fallback for Driver.TexSubImage1D()
4671 * and Driver.CopyTexSubImage1D().
4672 */
4673 void
4674 _mesa_store_texsubimage1d(struct gl_context *ctx, GLenum target, GLint level,
4675 GLint xoffset, GLint width,
4676 GLenum format, GLenum type, const void *pixels,
4677 const struct gl_pixelstore_attrib *packing,
4678 struct gl_texture_object *texObj,
4679 struct gl_texture_image *texImage)
4680 {
4681 /* get pointer to src pixels (may be in a pbo which we'll map here) */
4682 pixels = _mesa_validate_pbo_teximage(ctx, 1, width, 1, 1, format, type,
4683 pixels, packing, "glTexSubImage1D");
4684 if (!pixels)
4685 return;
4686
4687 {
4688 const GLint dstRowStride = 0;
4689 GLboolean success = _mesa_texstore(ctx, 1, texImage->_BaseFormat,
4690 texImage->TexFormat,
4691 texImage->Data,
4692 xoffset, 0, 0, /* offsets */
4693 dstRowStride,
4694 texImage->ImageOffsets,
4695 width, 1, 1,
4696 format, type, pixels, packing);
4697 if (!success) {
4698 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");
4699 }
4700 }
4701
4702 _mesa_unmap_teximage_pbo(ctx, packing);
4703 }
4704
4705
4706
4707 /**
4708 * This is the software fallback for Driver.TexSubImage2D()
4709 * and Driver.CopyTexSubImage2D().
4710 */
4711 void
4712 _mesa_store_texsubimage2d(struct gl_context *ctx, GLenum target, GLint level,
4713 GLint xoffset, GLint yoffset,
4714 GLint width, GLint height,
4715 GLenum format, GLenum type, const void *pixels,
4716 const struct gl_pixelstore_attrib *packing,
4717 struct gl_texture_object *texObj,
4718 struct gl_texture_image *texImage)
4719 {
4720 /* get pointer to src pixels (may be in a pbo which we'll map here) */
4721 pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, format, type,
4722 pixels, packing, "glTexSubImage2D");
4723 if (!pixels)
4724 return;
4725
4726 {
4727 GLint dstRowStride = texture_row_stride(texImage);
4728 GLboolean success = _mesa_texstore(ctx, 2, texImage->_BaseFormat,
4729 texImage->TexFormat,
4730 texImage->Data,
4731 xoffset, yoffset, 0,
4732 dstRowStride,
4733 texImage->ImageOffsets,
4734 width, height, 1,
4735 format, type, pixels, packing);
4736 if (!success) {
4737 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
4738 }
4739 }
4740
4741 _mesa_unmap_teximage_pbo(ctx, packing);
4742 }
4743
4744
4745 /*
4746 * This is the software fallback for Driver.TexSubImage3D().
4747 * and Driver.CopyTexSubImage3D().
4748 */
4749 void
4750 _mesa_store_texsubimage3d(struct gl_context *ctx, GLenum target, GLint level,
4751 GLint xoffset, GLint yoffset, GLint zoffset,
4752 GLint width, GLint height, GLint depth,
4753 GLenum format, GLenum type, const void *pixels,
4754 const struct gl_pixelstore_attrib *packing,
4755 struct gl_texture_object *texObj,
4756 struct gl_texture_image *texImage)
4757 {
4758 /* get pointer to src pixels (may be in a pbo which we'll map here) */
4759 pixels = _mesa_validate_pbo_teximage(ctx, 3, width, height, depth, format,
4760 type, pixels, packing,
4761 "glTexSubImage3D");
4762 if (!pixels)
4763 return;
4764
4765 {
4766 GLint dstRowStride = texture_row_stride(texImage);
4767 GLboolean success = _mesa_texstore(ctx, 3, texImage->_BaseFormat,
4768 texImage->TexFormat,
4769 texImage->Data,
4770 xoffset, yoffset, zoffset,
4771 dstRowStride,
4772 texImage->ImageOffsets,
4773 width, height, depth,
4774 format, type, pixels, packing);
4775 if (!success) {
4776 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D");
4777 }
4778 }
4779
4780 _mesa_unmap_teximage_pbo(ctx, packing);
4781 }
4782
4783
4784 /*
4785 * Fallback for Driver.CompressedTexImage1D()
4786 */
4787 void
4788 _mesa_store_compressed_teximage1d(struct gl_context *ctx,
4789 GLenum target, GLint level,
4790 GLint internalFormat,
4791 GLint width, GLint border,
4792 GLsizei imageSize, const GLvoid *data,
4793 struct gl_texture_object *texObj,
4794 struct gl_texture_image *texImage)
4795 {
4796 /* this space intentionally left blank */
4797 (void) ctx;
4798 (void) target; (void) level;
4799 (void) internalFormat;
4800 (void) width; (void) border;
4801 (void) imageSize; (void) data;
4802 (void) texObj;
4803 (void) texImage;
4804 }
4805
4806
4807
4808 /**
4809 * Fallback for Driver.CompressedTexImage2D()
4810 */
4811 void
4812 _mesa_store_compressed_teximage2d(struct gl_context *ctx,
4813 GLenum target, GLint level,
4814 GLint internalFormat,
4815 GLint width, GLint height, GLint border,
4816 GLsizei imageSize, const GLvoid *data,
4817 struct gl_texture_object *texObj,
4818 struct gl_texture_image *texImage)
4819 {
4820 (void) width; (void) height; (void) border;
4821
4822 /* This is pretty simple, basically just do a memcpy without worrying
4823 * about the usual image unpacking or image transfer operations.
4824 */
4825 ASSERT(texObj);
4826 ASSERT(texImage);
4827 ASSERT(texImage->Width > 0);
4828 ASSERT(texImage->Height > 0);
4829 ASSERT(texImage->Depth == 1);
4830 ASSERT(texImage->Data == NULL); /* was freed in glCompressedTexImage2DARB */
4831
4832 /* allocate storage */
4833 texImage->Data = _mesa_alloc_texmemory(imageSize);
4834 if (!texImage->Data) {
4835 _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexImage2DARB");
4836 return;
4837 }
4838
4839 data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,
4840 &ctx->Unpack,
4841 "glCompressedTexImage2D");
4842 if (!data)
4843 return;
4844
4845 /* copy the data */
4846 memcpy(texImage->Data, data, imageSize);
4847
4848 _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);
4849 }
4850
4851
4852
4853 /*
4854 * Fallback for Driver.CompressedTexImage3D()
4855 */
4856 void
4857 _mesa_store_compressed_teximage3d(struct gl_context *ctx,
4858 GLenum target, GLint level,
4859 GLint internalFormat,
4860 GLint width, GLint height, GLint depth,
4861 GLint border,
4862 GLsizei imageSize, const GLvoid *data,
4863 struct gl_texture_object *texObj,
4864 struct gl_texture_image *texImage)
4865 {
4866 /* this space intentionally left blank */
4867 (void) ctx;
4868 (void) target; (void) level;
4869 (void) internalFormat;
4870 (void) width; (void) height; (void) depth;
4871 (void) border;
4872 (void) imageSize; (void) data;
4873 (void) texObj;
4874 (void) texImage;
4875 }
4876
4877
4878
4879 /**
4880 * Fallback for Driver.CompressedTexSubImage1D()
4881 */
4882 void
4883 _mesa_store_compressed_texsubimage1d(struct gl_context *ctx, GLenum target,
4884 GLint level,
4885 GLint xoffset, GLsizei width,
4886 GLenum format,
4887 GLsizei imageSize, const GLvoid *data,
4888 struct gl_texture_object *texObj,
4889 struct gl_texture_image *texImage)
4890 {
4891 /* there are no compressed 1D texture formats yet */
4892 (void) ctx;
4893 (void) target; (void) level;
4894 (void) xoffset; (void) width;
4895 (void) format;
4896 (void) imageSize; (void) data;
4897 (void) texObj;
4898 (void) texImage;
4899 }
4900
4901
4902 /**
4903 * Fallback for Driver.CompressedTexSubImage2D()
4904 */
4905 void
4906 _mesa_store_compressed_texsubimage2d(struct gl_context *ctx, GLenum target,
4907 GLint level,
4908 GLint xoffset, GLint yoffset,
4909 GLsizei width, GLsizei height,
4910 GLenum format,
4911 GLsizei imageSize, const GLvoid *data,
4912 struct gl_texture_object *texObj,
4913 struct gl_texture_image *texImage)
4914 {
4915 GLint bytesPerRow, destRowStride, srcRowStride;
4916 GLint i, rows;
4917 GLubyte *dest;
4918 const GLubyte *src;
4919 const gl_format texFormat = texImage->TexFormat;
4920 const GLint destWidth = texImage->Width;
4921 GLuint bw, bh;
4922
4923 _mesa_get_format_block_size(texFormat, &bw, &bh);
4924
4925 (void) level;
4926 (void) format;
4927
4928 /* these should have been caught sooner */
4929 ASSERT((width % bw) == 0 || width == 2 || width == 1);
4930 ASSERT((height % bh) == 0 || height == 2 || height == 1);
4931 ASSERT((xoffset % bw) == 0);
4932 ASSERT((yoffset % bh) == 0);
4933
4934 /* get pointer to src pixels (may be in a pbo which we'll map here) */
4935 data = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, data,
4936 &ctx->Unpack,
4937 "glCompressedTexSubImage2D");
4938 if (!data)
4939 return;
4940
4941 srcRowStride = _mesa_format_row_stride(texFormat, width);
4942 src = (const GLubyte *) data;
4943
4944 destRowStride = _mesa_format_row_stride(texFormat, destWidth);
4945 dest = _mesa_compressed_image_address(xoffset, yoffset, 0,
4946 texFormat, destWidth,
4947 (GLubyte *) texImage->Data);
4948
4949 bytesPerRow = srcRowStride; /* bytes per row of blocks */
4950 rows = height / bh; /* rows in blocks */
4951
4952 /* copy rows of blocks */
4953 for (i = 0; i < rows; i++) {
4954 memcpy(dest, src, bytesPerRow);
4955 dest += destRowStride;
4956 src += srcRowStride;
4957 }
4958
4959 _mesa_unmap_teximage_pbo(ctx, &ctx->Unpack);
4960 }
4961
4962
4963 /**
4964 * Fallback for Driver.CompressedTexSubImage3D()
4965 */
4966 void
4967 _mesa_store_compressed_texsubimage3d(struct gl_context *ctx, GLenum target,
4968 GLint level,
4969 GLint xoffset, GLint yoffset, GLint zoffset,
4970 GLsizei width, GLsizei height, GLsizei depth,
4971 GLenum format,
4972 GLsizei imageSize, const GLvoid *data,
4973 struct gl_texture_object *texObj,
4974 struct gl_texture_image *texImage)
4975 {
4976 /* there are no compressed 3D texture formats yet */
4977 (void) ctx;
4978 (void) target; (void) level;
4979 (void) xoffset; (void) yoffset; (void) zoffset;
4980 (void) width; (void) height; (void) depth;
4981 (void) format;
4982 (void) imageSize; (void) data;
4983 (void) texObj;
4984 (void) texImage;
4985 }