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[OPENGL]
[reactos.git] / reactos / dll / opengl / mesa / src / mesa / main / debug.c
1 /*
2 * Mesa 3-D graphics library
3 * Version: 6.5
4 *
5 * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26 #include "mtypes.h"
27 #include "attrib.h"
28 #include "colormac.h"
29 #include "enums.h"
30 #include "formats.h"
31 #include "hash.h"
32 #include "imports.h"
33 #include "debug.h"
34 #include "get.h"
35 #include "pixelstore.h"
36 #include "readpix.h"
37 #include "texobj.h"
38
39
40 static const char *
41 tex_target_name(GLenum tgt)
42 {
43 static const struct {
44 GLenum target;
45 const char *name;
46 } tex_targets[] = {
47 { GL_TEXTURE_1D, "GL_TEXTURE_1D" },
48 { GL_TEXTURE_2D, "GL_TEXTURE_2D" },
49 { GL_TEXTURE_3D, "GL_TEXTURE_3D" },
50 { GL_TEXTURE_CUBE_MAP, "GL_TEXTURE_CUBE_MAP" },
51 { GL_TEXTURE_RECTANGLE, "GL_TEXTURE_RECTANGLE" },
52 { GL_TEXTURE_1D_ARRAY_EXT, "GL_TEXTURE_1D_ARRAY" },
53 { GL_TEXTURE_2D_ARRAY_EXT, "GL_TEXTURE_2D_ARRAY" },
54 { GL_TEXTURE_EXTERNAL_OES, "GL_TEXTURE_EXTERNAL_OES" }
55 };
56 GLuint i;
57 for (i = 0; i < Elements(tex_targets); i++) {
58 if (tex_targets[i].target == tgt)
59 return tex_targets[i].name;
60 }
61 return "UNKNOWN TEX TARGET";
62 }
63
64
65 void
66 _mesa_print_state( const char *msg, GLuint state )
67 {
68 _mesa_debug(NULL,
69 "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
70 msg,
71 state,
72 (state & _NEW_MODELVIEW) ? "ctx->ModelView, " : "",
73 (state & _NEW_PROJECTION) ? "ctx->Projection, " : "",
74 (state & _NEW_TEXTURE_MATRIX) ? "ctx->TextureMatrix, " : "",
75 (state & _NEW_COLOR) ? "ctx->Color, " : "",
76 (state & _NEW_DEPTH) ? "ctx->Depth, " : "",
77 (state & _NEW_EVAL) ? "ctx->Eval/EvalMap, " : "",
78 (state & _NEW_FOG) ? "ctx->Fog, " : "",
79 (state & _NEW_HINT) ? "ctx->Hint, " : "",
80 (state & _NEW_LIGHT) ? "ctx->Light, " : "",
81 (state & _NEW_LINE) ? "ctx->Line, " : "",
82 (state & _NEW_PIXEL) ? "ctx->Pixel, " : "",
83 (state & _NEW_POINT) ? "ctx->Point, " : "",
84 (state & _NEW_POLYGON) ? "ctx->Polygon, " : "",
85 (state & _NEW_POLYGONSTIPPLE) ? "ctx->PolygonStipple, " : "",
86 (state & _NEW_SCISSOR) ? "ctx->Scissor, " : "",
87 (state & _NEW_STENCIL) ? "ctx->Stencil, " : "",
88 (state & _NEW_TEXTURE) ? "ctx->Texture, " : "",
89 (state & _NEW_TRANSFORM) ? "ctx->Transform, " : "",
90 (state & _NEW_VIEWPORT) ? "ctx->Viewport, " : "",
91 (state & _NEW_PACKUNPACK) ? "ctx->Pack/Unpack, " : "",
92 (state & _NEW_ARRAY) ? "ctx->Array, " : "",
93 (state & _NEW_RENDERMODE) ? "ctx->RenderMode, " : "",
94 (state & _NEW_BUFFERS) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
95 }
96
97
98
99 void
100 _mesa_print_tri_caps( const char *name, GLuint flags )
101 {
102 _mesa_debug(NULL,
103 "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s\n",
104 name,
105 flags,
106 (flags & DD_FLATSHADE) ? "flat-shade, " : "",
107 (flags & DD_SEPARATE_SPECULAR) ? "separate-specular, " : "",
108 (flags & DD_TRI_LIGHT_TWOSIDE) ? "tri-light-twoside, " : "",
109 (flags & DD_TRI_TWOSTENCIL) ? "tri-twostencil, " : "",
110 (flags & DD_TRI_UNFILLED) ? "tri-unfilled, " : "",
111 (flags & DD_TRI_STIPPLE) ? "tri-stipple, " : "",
112 (flags & DD_TRI_OFFSET) ? "tri-offset, " : "",
113 (flags & DD_TRI_SMOOTH) ? "tri-smooth, " : "",
114 (flags & DD_LINE_SMOOTH) ? "line-smooth, " : "",
115 (flags & DD_LINE_STIPPLE) ? "line-stipple, " : "",
116 (flags & DD_POINT_SMOOTH) ? "point-smooth, " : "",
117 (flags & DD_POINT_ATTEN) ? "point-atten, " : "",
118 (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : ""
119 );
120 }
121
122
123 /**
124 * Print information about this Mesa version and build options.
125 */
126 void _mesa_print_info( void )
127 {
128 _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
129 (char *) _mesa_GetString(GL_VERSION));
130 _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n",
131 (char *) _mesa_GetString(GL_RENDERER));
132 _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
133 (char *) _mesa_GetString(GL_VENDOR));
134 _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
135 (char *) _mesa_GetString(GL_EXTENSIONS));
136 #if defined(THREADS)
137 _mesa_debug(NULL, "Mesa thread-safe: YES\n");
138 #else
139 _mesa_debug(NULL, "Mesa thread-safe: NO\n");
140 #endif
141 #if defined(USE_X86_ASM)
142 _mesa_debug(NULL, "Mesa x86-optimized: YES\n");
143 #else
144 _mesa_debug(NULL, "Mesa x86-optimized: NO\n");
145 #endif
146 #if defined(USE_SPARC_ASM)
147 _mesa_debug(NULL, "Mesa sparc-optimized: YES\n");
148 #else
149 _mesa_debug(NULL, "Mesa sparc-optimized: NO\n");
150 #endif
151 }
152
153
154 /**
155 * Set the debugging flags.
156 *
157 * \param debug debug string
158 *
159 * If compiled with debugging support then search for keywords in \p debug and
160 * enables the verbose debug output of the respective feature.
161 */
162 static void add_debug_flags( const char *debug )
163 {
164 #ifdef DEBUG
165 struct debug_option {
166 const char *name;
167 GLbitfield flag;
168 };
169 static const struct debug_option debug_opt[] = {
170 { "varray", VERBOSE_VARRAY },
171 { "tex", VERBOSE_TEXTURE },
172 { "mat", VERBOSE_MATERIAL },
173 { "pipe", VERBOSE_PIPELINE },
174 { "driver", VERBOSE_DRIVER },
175 { "state", VERBOSE_STATE },
176 { "api", VERBOSE_API },
177 { "list", VERBOSE_DISPLAY_LIST },
178 { "lighting", VERBOSE_LIGHTING },
179 { "disassem", VERBOSE_DISASSEM },
180 { "draw", VERBOSE_DRAW },
181 { "swap", VERBOSE_SWAPBUFFERS }
182 };
183 GLuint i;
184
185 MESA_VERBOSE = 0x0;
186 for (i = 0; i < Elements(debug_opt); i++) {
187 if (strstr(debug, debug_opt[i].name) || strcmp(debug, "all") == 0)
188 MESA_VERBOSE |= debug_opt[i].flag;
189 }
190
191 /* Debug flag:
192 */
193 if (strstr(debug, "flush"))
194 MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
195
196 #else
197 (void) debug;
198 #endif
199 }
200
201
202 void
203 _mesa_init_debug( struct gl_context *ctx )
204 {
205 char *c;
206 c = _mesa_getenv("MESA_DEBUG");
207 if (c)
208 add_debug_flags(c);
209
210 c = _mesa_getenv("MESA_VERBOSE");
211 if (c)
212 add_debug_flags(c);
213 }
214
215
216 /*
217 * Write ppm file
218 */
219 static void
220 write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
221 int comps, int rcomp, int gcomp, int bcomp, GLboolean invert)
222 {
223 FILE *f = fopen( filename, "w" );
224 if (f) {
225 int x, y;
226 const GLubyte *ptr = buffer;
227 fprintf(f,"P6\n");
228 fprintf(f,"# ppm-file created by osdemo.c\n");
229 fprintf(f,"%i %i\n", width,height);
230 fprintf(f,"255\n");
231 fclose(f);
232 f = fopen( filename, "ab" ); /* reopen in binary append mode */
233 for (y=0; y < height; y++) {
234 for (x = 0; x < width; x++) {
235 int yy = invert ? (height - 1 - y) : y;
236 int i = (yy * width + x) * comps;
237 fputc(ptr[i+rcomp], f); /* write red */
238 fputc(ptr[i+gcomp], f); /* write green */
239 fputc(ptr[i+bcomp], f); /* write blue */
240 }
241 }
242 fclose(f);
243 }
244 else {
245 fprintf(stderr, "Unable to create %s in write_ppm()\n", filename);
246 }
247 }
248
249
250 /**
251 * Write a texture image to a ppm file.
252 * \param face cube face in [0,5]
253 * \param level mipmap level
254 */
255 static void
256 write_texture_image(struct gl_texture_object *texObj,
257 GLuint face, GLuint level)
258 {
259 struct gl_texture_image *img = texObj->Image[face][level];
260 if (img) {
261 GET_CURRENT_CONTEXT(ctx);
262 struct gl_pixelstore_attrib store;
263 GLubyte *buffer;
264 char s[100];
265
266 buffer = (GLubyte *) malloc(img->Width * img->Height
267 * img->Depth * 4);
268
269 store = ctx->Pack; /* save */
270 ctx->Pack = ctx->DefaultPacking;
271
272 ctx->Driver.GetTexImage(ctx, GL_RGBA, GL_UNSIGNED_BYTE, buffer, img);
273
274 /* make filename */
275 _mesa_snprintf(s, sizeof(s), "/tmp/tex%u.l%u.f%u.ppm", texObj->Name, level, face);
276
277 printf(" Writing image level %u to %s\n", level, s);
278 write_ppm(s, buffer, img->Width, img->Height, 4, 0, 1, 2, GL_FALSE);
279
280 ctx->Pack = store; /* restore */
281
282 free(buffer);
283 }
284 }
285
286
287 /**
288 * Write renderbuffer image to a ppm file.
289 */
290 void
291 _mesa_write_renderbuffer_image(const struct gl_renderbuffer *rb)
292 {
293 GET_CURRENT_CONTEXT(ctx);
294 GLubyte *buffer;
295 char s[100];
296 GLenum format, type;
297
298 if (rb->_BaseFormat == GL_RGB ||
299 rb->_BaseFormat == GL_RGBA) {
300 format = GL_RGBA;
301 type = GL_UNSIGNED_BYTE;
302 }
303 else if (rb->_BaseFormat == GL_DEPTH_STENCIL) {
304 format = GL_DEPTH_STENCIL;
305 type = GL_UNSIGNED_INT_24_8;
306 }
307 else {
308 _mesa_debug(NULL,
309 "Unsupported BaseFormat 0x%x in "
310 "_mesa_write_renderbuffer_image()\n",
311 rb->_BaseFormat);
312 return;
313 }
314
315 buffer = (GLubyte *) malloc(rb->Width * rb->Height * 4);
316
317 ctx->Driver.ReadPixels(ctx, 0, 0, rb->Width, rb->Height,
318 format, type, &ctx->DefaultPacking, buffer);
319
320 /* make filename */
321 _mesa_snprintf(s, sizeof(s), "/tmp/renderbuffer%u.ppm", rb->Name);
322 _mesa_snprintf(s, sizeof(s), "C:\\renderbuffer%u.ppm", rb->Name);
323
324 printf(" Writing renderbuffer image to %s\n", s);
325
326 _mesa_debug(NULL, " Writing renderbuffer image to %s\n", s);
327
328 write_ppm(s, buffer, rb->Width, rb->Height, 4, 0, 1, 2, GL_TRUE);
329
330 free(buffer);
331 }
332
333
334 /** How many texture images (mipmap levels, faces) to write to files */
335 #define WRITE_NONE 0
336 #define WRITE_ONE 1
337 #define WRITE_ALL 2
338
339 static GLuint WriteImages;
340
341
342 static void
343 dump_texture(struct gl_texture_object *texObj, GLuint writeImages)
344 {
345 const GLuint numFaces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
346 GLboolean written = GL_FALSE;
347 GLuint i, j;
348
349 printf("Texture %u\n", texObj->Name);
350 printf(" Target %s\n", tex_target_name(texObj->Target));
351 for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
352 for (j = 0; j < numFaces; j++) {
353 struct gl_texture_image *texImg = texObj->Image[j][i];
354 if (texImg) {
355 printf(" Face %u level %u: %d x %d x %d, format %s\n",
356 j, i,
357 texImg->Width, texImg->Height, texImg->Depth,
358 _mesa_get_format_name(texImg->TexFormat));
359 if (writeImages == WRITE_ALL ||
360 (writeImages == WRITE_ONE && !written)) {
361 write_texture_image(texObj, j, i);
362 written = GL_TRUE;
363 }
364 }
365 }
366 }
367 }
368
369
370 /**
371 * Dump a single texture.
372 */
373 void
374 _mesa_dump_texture(GLuint texture, GLuint writeImages)
375 {
376 GET_CURRENT_CONTEXT(ctx);
377 struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, texture);
378 if (texObj) {
379 dump_texture(texObj, writeImages);
380 }
381 }
382
383
384 static void
385 dump_texture_cb(GLuint id, void *data, void *userData)
386 {
387 struct gl_texture_object *texObj = (struct gl_texture_object *) data;
388 (void) userData;
389 dump_texture(texObj, WriteImages);
390 }
391
392
393 /**
394 * Print basic info about all texture objext to stdout.
395 * If dumpImages is true, write PPM of level[0] image to a file.
396 */
397 void
398 _mesa_dump_textures(GLuint writeImages)
399 {
400 GET_CURRENT_CONTEXT(ctx);
401 WriteImages = writeImages;
402 _mesa_HashWalk(ctx->Shared->TexObjects, dump_texture_cb, ctx);
403 }
404
405
406 static void
407 dump_renderbuffer(const struct gl_renderbuffer *rb, GLboolean writeImage)
408 {
409 printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
410 rb->Name, rb->Width, rb->Height,
411 _mesa_lookup_enum_by_nr(rb->InternalFormat));
412 if (writeImage) {
413 _mesa_write_renderbuffer_image(rb);
414 }
415 }
416
417
418 static void
419 dump_renderbuffer_cb(GLuint id, void *data, void *userData)
420 {
421 const struct gl_renderbuffer *rb = (const struct gl_renderbuffer *) data;
422 (void) userData;
423 dump_renderbuffer(rb, WriteImages);
424 }
425
426
427 /**
428 * Print basic info about all renderbuffers to stdout.
429 * If dumpImages is true, write PPM of level[0] image to a file.
430 */
431 void
432 _mesa_dump_renderbuffers(GLboolean writeImages)
433 {
434 GET_CURRENT_CONTEXT(ctx);
435 WriteImages = writeImages;
436 _mesa_HashWalk(ctx->Shared->RenderBuffers, dump_renderbuffer_cb, ctx);
437 }
438
439
440
441 void
442 _mesa_dump_color_buffer(const char *filename)
443 {
444 GET_CURRENT_CONTEXT(ctx);
445 const GLuint w = ctx->DrawBuffer->Width;
446 const GLuint h = ctx->DrawBuffer->Height;
447 GLubyte *buf;
448
449 buf = (GLubyte *) malloc(w * h * 4);
450
451 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
452 _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
453 _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
454
455 _mesa_ReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buf);
456
457 printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
458 (void *) ctx->ReadBuffer->_ColorReadBuffer,
459 ctx->ReadBuffer->ColorReadBuffer,
460 (void *) ctx->DrawBuffer->_ColorDrawBuffers[0],
461 ctx->DrawBuffer->ColorDrawBuffer[0]);
462 printf("Writing %d x %d color buffer to %s\n", w, h, filename);
463 write_ppm(filename, buf, w, h, 4, 0, 1, 2, GL_TRUE);
464
465 _mesa_PopClientAttrib();
466
467 free(buf);
468 }
469
470
471 void
472 _mesa_dump_depth_buffer(const char *filename)
473 {
474 GET_CURRENT_CONTEXT(ctx);
475 const GLuint w = ctx->DrawBuffer->Width;
476 const GLuint h = ctx->DrawBuffer->Height;
477 GLuint *buf;
478 GLubyte *buf2;
479 GLuint i;
480
481 buf = (GLuint *) malloc(w * h * 4); /* 4 bpp */
482 buf2 = (GLubyte *) malloc(w * h * 3); /* 3 bpp */
483
484 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
485 _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
486 _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
487
488 _mesa_ReadPixels(0, 0, w, h, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buf);
489
490 /* spread 24 bits of Z across R, G, B */
491 for (i = 0; i < w * h; i++) {
492 buf2[i*3+0] = (buf[i] >> 24) & 0xff;
493 buf2[i*3+1] = (buf[i] >> 16) & 0xff;
494 buf2[i*3+2] = (buf[i] >> 8) & 0xff;
495 }
496
497 printf("Writing %d x %d depth buffer to %s\n", w, h, filename);
498 write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
499
500 _mesa_PopClientAttrib();
501
502 free(buf);
503 free(buf2);
504 }
505
506
507 void
508 _mesa_dump_stencil_buffer(const char *filename)
509 {
510 GET_CURRENT_CONTEXT(ctx);
511 const GLuint w = ctx->DrawBuffer->Width;
512 const GLuint h = ctx->DrawBuffer->Height;
513 GLubyte *buf;
514 GLubyte *buf2;
515 GLuint i;
516
517 buf = (GLubyte *) malloc(w * h); /* 1 bpp */
518 buf2 = (GLubyte *) malloc(w * h * 3); /* 3 bpp */
519
520 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
521 _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
522 _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
523
524 _mesa_ReadPixels(0, 0, w, h, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buf);
525
526 for (i = 0; i < w * h; i++) {
527 buf2[i*3+0] = buf[i];
528 buf2[i*3+1] = (buf[i] & 127) * 2;
529 buf2[i*3+2] = (buf[i] - 128) * 2;
530 }
531
532 printf("Writing %d x %d stencil buffer to %s\n", w, h, filename);
533 write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
534
535 _mesa_PopClientAttrib();
536
537 free(buf);
538 free(buf2);
539 }
540
541
542 void
543 _mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h,
544 GLenum format, GLenum type)
545 {
546 GLboolean invert = GL_TRUE;
547
548 if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
549 write_ppm(filename, image, w, h, 4, 0, 1, 2, invert);
550 }
551 else if (format == GL_BGRA && type == GL_UNSIGNED_BYTE) {
552 write_ppm(filename, image, w, h, 4, 2, 1, 0, invert);
553 }
554 else if (format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE) {
555 write_ppm(filename, image, w, h, 2, 1, 0, 0, invert);
556 }
557 else {
558 _mesa_problem(NULL, "Unsupported format/type in _mesa_dump_image()");
559 }
560 }
561
562
563 /**
564 * Quick and dirty function to "print" a texture to stdout.
565 */
566 void
567 _mesa_print_texture(struct gl_context *ctx, struct gl_texture_image *img)
568 {
569 const GLint slice = 0;
570 GLint srcRowStride;
571 GLuint i, j, c;
572 GLubyte *data;
573
574 ctx->Driver.MapTextureImage(ctx, img, slice,
575 0, 0, img->Width, img->Height, GL_MAP_READ_BIT,
576 &data, &srcRowStride);
577
578 if (!data) {
579 printf("No texture data\n");
580 }
581 else {
582 /* XXX add more formats or make into a new format utility function */
583 switch (img->TexFormat) {
584 case MESA_FORMAT_A8:
585 case MESA_FORMAT_L8:
586 case MESA_FORMAT_I8:
587 c = 1;
588 break;
589 case MESA_FORMAT_AL88:
590 case MESA_FORMAT_AL88_REV:
591 c = 2;
592 break;
593 case MESA_FORMAT_RGB888:
594 case MESA_FORMAT_BGR888:
595 c = 3;
596 break;
597 case MESA_FORMAT_RGBA8888:
598 case MESA_FORMAT_ARGB8888:
599 c = 4;
600 break;
601 default:
602 _mesa_problem(NULL, "error in PrintTexture\n");
603 return;
604 }
605
606 for (i = 0; i < img->Height; i++) {
607 for (j = 0; j < img->Width; j++) {
608 if (c==1)
609 printf("%02x ", data[0]);
610 else if (c==2)
611 printf("%02x%02x ", data[0], data[1]);
612 else if (c==3)
613 printf("%02x%02x%02x ", data[0], data[1], data[2]);
614 else if (c==4)
615 printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
616 data += (srcRowStride - img->Width) * c;
617 }
618 /* XXX use img->ImageStride here */
619 printf("\n");
620
621 }
622 }
623
624 ctx->Driver.UnmapTextureImage(ctx, img, slice);
625 }
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