util: require debug options to be separated by commas
[mesa.git] / src / gallium / auxiliary / util / u_debug.c
1 /**************************************************************************
2 *
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
4 * Copyright (c) 2008 VMware, Inc.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29
30 #include "pipe/p_config.h"
31
32 #include "pipe/p_compiler.h"
33 #include "os/os_stream.h"
34 #include "util/u_debug.h"
35 #include "pipe/p_format.h"
36 #include "pipe/p_state.h"
37 #include "util/u_inlines.h"
38 #include "util/u_format.h"
39 #include "util/u_memory.h"
40 #include "util/u_string.h"
41 #include "util/u_math.h"
42 #include "util/u_tile.h"
43 #include "util/u_prim.h"
44 #include "util/u_surface.h"
45
46 #include <limits.h> /* CHAR_BIT */
47
48 void _debug_vprintf(const char *format, va_list ap)
49 {
50 #if defined(PIPE_OS_WINDOWS) || defined(PIPE_OS_EMBEDDED)
51 /* We buffer until we find a newline. */
52 static char buf[4096] = {'\0'};
53 size_t len = strlen(buf);
54 int ret = util_vsnprintf(buf + len, sizeof(buf) - len, format, ap);
55 if(ret > (int)(sizeof(buf) - len - 1) || util_strchr(buf + len, '\n')) {
56 os_log_message(buf);
57 buf[0] = '\0';
58 }
59 #else
60 /* Just print as-is to stderr */
61 vfprintf(stderr, format, ap);
62 #endif
63 }
64
65
66 #ifdef DEBUG
67 void debug_print_blob( const char *name,
68 const void *blob,
69 unsigned size )
70 {
71 const unsigned *ublob = (const unsigned *)blob;
72 unsigned i;
73
74 debug_printf("%s (%d dwords%s)\n", name, size/4,
75 size%4 ? "... plus a few bytes" : "");
76
77 for (i = 0; i < size/4; i++) {
78 debug_printf("%d:\t%08x\n", i, ublob[i]);
79 }
80 }
81 #endif
82
83
84 static boolean
85 debug_get_option_should_print(void)
86 {
87 static boolean first = TRUE;
88 static boolean value = FALSE;
89
90 if (!first)
91 return value;
92
93 /* Oh hey this will call into this function,
94 * but its cool since we set first to false
95 */
96 first = FALSE;
97 value = debug_get_bool_option("GALLIUM_PRINT_OPTIONS", FALSE);
98 /* XXX should we print this option? Currently it wont */
99 return value;
100 }
101
102 const char *
103 debug_get_option(const char *name, const char *dfault)
104 {
105 const char *result;
106
107 result = os_get_option(name);
108 if(!result)
109 result = dfault;
110
111 if (debug_get_option_should_print())
112 debug_printf("%s: %s = %s\n", __FUNCTION__, name, result ? result : "(null)");
113
114 return result;
115 }
116
117 boolean
118 debug_get_bool_option(const char *name, boolean dfault)
119 {
120 const char *str = os_get_option(name);
121 boolean result;
122
123 if(str == NULL)
124 result = dfault;
125 else if(!util_strcmp(str, "n"))
126 result = FALSE;
127 else if(!util_strcmp(str, "no"))
128 result = FALSE;
129 else if(!util_strcmp(str, "0"))
130 result = FALSE;
131 else if(!util_strcmp(str, "f"))
132 result = FALSE;
133 else if(!util_strcmp(str, "F"))
134 result = FALSE;
135 else if(!util_strcmp(str, "false"))
136 result = FALSE;
137 else if(!util_strcmp(str, "FALSE"))
138 result = FALSE;
139 else
140 result = TRUE;
141
142 if (debug_get_option_should_print())
143 debug_printf("%s: %s = %s\n", __FUNCTION__, name, result ? "TRUE" : "FALSE");
144
145 return result;
146 }
147
148
149 long
150 debug_get_num_option(const char *name, long dfault)
151 {
152 long result;
153 const char *str;
154
155 str = os_get_option(name);
156 if(!str)
157 result = dfault;
158 else {
159 long sign;
160 char c;
161 c = *str++;
162 if(c == '-') {
163 sign = -1;
164 c = *str++;
165 }
166 else {
167 sign = 1;
168 }
169 result = 0;
170 while('0' <= c && c <= '9') {
171 result = result*10 + (c - '0');
172 c = *str++;
173 }
174 result *= sign;
175 }
176
177 if (debug_get_option_should_print())
178 debug_printf("%s: %s = %li\n", __FUNCTION__, name, result);
179
180 return result;
181 }
182
183 static boolean str_has_option(const char *str, const char *name)
184 {
185 const char *substr;
186
187 /* OPTION=all */
188 if (!util_strcmp(str, "all")) {
189 return TRUE;
190 }
191
192 /* OPTION=name */
193 if (!util_strcmp(str, name)) {
194 return TRUE;
195 }
196
197 substr = util_strstr(str, name);
198
199 if (substr) {
200 unsigned name_len = strlen(name);
201
202 /* OPTION=name,... */
203 if (substr == str && substr[name_len] == ',') {
204 return TRUE;
205 }
206
207 /* OPTION=...,name */
208 if (substr+name_len == str+strlen(str) && substr[-1] == ',') {
209 return TRUE;
210 }
211
212 /* OPTION=...,name,... */
213 if (substr[-1] == ',' && substr[name_len] == ',') {
214 return TRUE;
215 }
216 }
217
218 return FALSE;
219 }
220
221 unsigned long
222 debug_get_flags_option(const char *name,
223 const struct debug_named_value *flags,
224 unsigned long dfault)
225 {
226 unsigned long result;
227 const char *str;
228 const struct debug_named_value *orig = flags;
229 int namealign = 0;
230
231 str = os_get_option(name);
232 if(!str)
233 result = dfault;
234 else if (!util_strcmp(str, "help")) {
235 result = dfault;
236 _debug_printf("%s: help for %s:\n", __FUNCTION__, name);
237 for (; flags->name; ++flags)
238 namealign = MAX2(namealign, strlen(flags->name));
239 for (flags = orig; flags->name; ++flags)
240 _debug_printf("| %*s [0x%0*lx]%s%s\n", namealign, flags->name,
241 (int)sizeof(unsigned long)*CHAR_BIT/4, flags->value,
242 flags->desc ? " " : "", flags->desc ? flags->desc : "");
243 }
244 else {
245 result = 0;
246 while( flags->name ) {
247 if (str_has_option(str, flags->name))
248 result |= flags->value;
249 ++flags;
250 }
251 }
252
253 if (debug_get_option_should_print()) {
254 if (str) {
255 debug_printf("%s: %s = 0x%lx (%s)\n", __FUNCTION__, name, result, str);
256 } else {
257 debug_printf("%s: %s = 0x%lx\n", __FUNCTION__, name, result);
258 }
259 }
260
261 return result;
262 }
263
264
265 void _debug_assert_fail(const char *expr,
266 const char *file,
267 unsigned line,
268 const char *function)
269 {
270 _debug_printf("%s:%u:%s: Assertion `%s' failed.\n", file, line, function, expr);
271 #if defined(PIPE_OS_WINDOWS) && !defined(PIPE_SUBSYSTEM_WINDOWS_USER)
272 if (debug_get_bool_option("GALLIUM_ABORT_ON_ASSERT", FALSE))
273 #else
274 if (debug_get_bool_option("GALLIUM_ABORT_ON_ASSERT", TRUE))
275 #endif
276 os_abort();
277 else
278 _debug_printf("continuing...\n");
279 }
280
281
282 const char *
283 debug_dump_enum(const struct debug_named_value *names,
284 unsigned long value)
285 {
286 static char rest[64];
287
288 while(names->name) {
289 if(names->value == value)
290 return names->name;
291 ++names;
292 }
293
294 util_snprintf(rest, sizeof(rest), "0x%08lx", value);
295 return rest;
296 }
297
298
299 const char *
300 debug_dump_enum_noprefix(const struct debug_named_value *names,
301 const char *prefix,
302 unsigned long value)
303 {
304 static char rest[64];
305
306 while(names->name) {
307 if(names->value == value) {
308 const char *name = names->name;
309 while (*name == *prefix) {
310 name++;
311 prefix++;
312 }
313 return name;
314 }
315 ++names;
316 }
317
318
319
320 util_snprintf(rest, sizeof(rest), "0x%08lx", value);
321 return rest;
322 }
323
324
325 const char *
326 debug_dump_flags(const struct debug_named_value *names,
327 unsigned long value)
328 {
329 static char output[4096];
330 static char rest[256];
331 int first = 1;
332
333 output[0] = '\0';
334
335 while(names->name) {
336 if((names->value & value) == names->value) {
337 if (!first)
338 util_strncat(output, "|", sizeof(output));
339 else
340 first = 0;
341 util_strncat(output, names->name, sizeof(output) - 1);
342 output[sizeof(output) - 1] = '\0';
343 value &= ~names->value;
344 }
345 ++names;
346 }
347
348 if (value) {
349 if (!first)
350 util_strncat(output, "|", sizeof(output));
351 else
352 first = 0;
353
354 util_snprintf(rest, sizeof(rest), "0x%08lx", value);
355 util_strncat(output, rest, sizeof(output) - 1);
356 output[sizeof(output) - 1] = '\0';
357 }
358
359 if(first)
360 return "0";
361
362 return output;
363 }
364
365
366 #ifdef DEBUG
367 void debug_print_format(const char *msg, unsigned fmt )
368 {
369 debug_printf("%s: %s\n", msg, util_format_name(fmt));
370 }
371 #endif
372
373
374
375 static const struct debug_named_value pipe_prim_names[] = {
376 #ifdef DEBUG
377 DEBUG_NAMED_VALUE(PIPE_PRIM_POINTS),
378 DEBUG_NAMED_VALUE(PIPE_PRIM_LINES),
379 DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_LOOP),
380 DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_STRIP),
381 DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLES),
382 DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_STRIP),
383 DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_FAN),
384 DEBUG_NAMED_VALUE(PIPE_PRIM_QUADS),
385 DEBUG_NAMED_VALUE(PIPE_PRIM_QUAD_STRIP),
386 DEBUG_NAMED_VALUE(PIPE_PRIM_POLYGON),
387 #endif
388 DEBUG_NAMED_VALUE_END
389 };
390
391
392 const char *u_prim_name( unsigned prim )
393 {
394 return debug_dump_enum(pipe_prim_names, prim);
395 }
396
397
398
399 #ifdef DEBUG
400 int fl_indent = 0;
401 const char* fl_function[1024];
402
403 int debug_funclog_enter(const char* f, const int line, const char* file)
404 {
405 int i;
406
407 for (i = 0; i < fl_indent; i++)
408 debug_printf(" ");
409 debug_printf("%s\n", f);
410
411 assert(fl_indent < 1023);
412 fl_function[fl_indent++] = f;
413
414 return 0;
415 }
416
417 void debug_funclog_exit(const char* f, const int line, const char* file)
418 {
419 --fl_indent;
420 assert(fl_indent >= 0);
421 assert(fl_function[fl_indent] == f);
422 }
423
424 void debug_funclog_enter_exit(const char* f, const int line, const char* file)
425 {
426 int i;
427 for (i = 0; i < fl_indent; i++)
428 debug_printf(" ");
429 debug_printf("%s\n", f);
430 }
431 #endif
432
433
434
435 #ifdef DEBUG
436 /**
437 * Dump an image to a .raw or .ppm file (depends on OS).
438 * \param format PIPE_FORMAT_x
439 * \param cpp bytes per pixel
440 * \param width width in pixels
441 * \param height height in pixels
442 * \param stride row stride in bytes
443 */
444 void debug_dump_image(const char *prefix,
445 unsigned format, unsigned cpp,
446 unsigned width, unsigned height,
447 unsigned stride,
448 const void *data)
449 {
450 #ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY
451 static unsigned no = 0;
452 char filename[256];
453 WCHAR wfilename[sizeof(filename)];
454 ULONG_PTR iFile = 0;
455 struct {
456 unsigned format;
457 unsigned cpp;
458 unsigned width;
459 unsigned height;
460 } header;
461 unsigned char *pMap = NULL;
462 unsigned i;
463
464 util_snprintf(filename, sizeof(filename), "\\??\\c:\\%03u%s.raw", ++no, prefix);
465 for(i = 0; i < sizeof(filename); ++i)
466 wfilename[i] = (WCHAR)filename[i];
467
468 pMap = (unsigned char *)EngMapFile(wfilename, sizeof(header) + height*width*cpp, &iFile);
469 if(!pMap)
470 return;
471
472 header.format = format;
473 header.cpp = cpp;
474 header.width = width;
475 header.height = height;
476 memcpy(pMap, &header, sizeof(header));
477 pMap += sizeof(header);
478
479 for(i = 0; i < height; ++i) {
480 memcpy(pMap, (unsigned char *)data + stride*i, cpp*width);
481 pMap += cpp*width;
482 }
483
484 EngUnmapFile(iFile);
485 #elif defined(PIPE_OS_UNIX)
486 /* write a ppm file */
487 char filename[256];
488 FILE *f;
489
490 util_snprintf(filename, sizeof(filename), "%s.ppm", prefix);
491
492 f = fopen(filename, "w");
493 if (f) {
494 int i, x, y;
495 int r, g, b;
496 const uint8_t *ptr = (uint8_t *) data;
497
498 /* XXX this is a hack */
499 switch (format) {
500 case PIPE_FORMAT_B8G8R8A8_UNORM:
501 r = 2;
502 g = 1;
503 b = 0;
504 break;
505 default:
506 r = 0;
507 g = 1;
508 b = 1;
509 }
510
511 fprintf(f, "P6\n");
512 fprintf(f, "# ppm-file created by osdemo.c\n");
513 fprintf(f, "%i %i\n", width, height);
514 fprintf(f, "255\n");
515 fclose(f);
516
517 f = fopen(filename, "ab"); /* reopen in binary append mode */
518 for (y = 0; y < height; y++) {
519 for (x = 0; x < width; x++) {
520 i = y * stride + x * cpp;
521 fputc(ptr[i + r], f); /* write red */
522 fputc(ptr[i + g], f); /* write green */
523 fputc(ptr[i + b], f); /* write blue */
524 }
525 }
526 fclose(f);
527 }
528 else {
529 fprintf(stderr, "Can't open %s for writing\n", filename);
530 }
531 #endif
532 }
533
534 /* FIXME: dump resources, not surfaces... */
535 void debug_dump_surface(struct pipe_context *pipe,
536 const char *prefix,
537 struct pipe_surface *surface)
538 {
539 struct pipe_resource *texture;
540 struct pipe_transfer *transfer;
541 void *data;
542
543 if (!surface)
544 return;
545
546 /* XXX: this doesn't necessarily work, as the driver may be using
547 * temporary storage for the surface which hasn't been propagated
548 * back into the texture. Need to nail down the semantics of views
549 * and transfers a bit better before we can say if extra work needs
550 * to be done here:
551 */
552 texture = surface->texture;
553
554 transfer = pipe_get_transfer(pipe, texture, surface->u.tex.level,
555 surface->u.tex.first_layer,
556 PIPE_TRANSFER_READ,
557 0, 0, surface->width, surface->height);
558
559 data = pipe->transfer_map(pipe, transfer);
560 if(!data)
561 goto error;
562
563 debug_dump_image(prefix,
564 texture->format,
565 util_format_get_blocksize(texture->format),
566 util_format_get_nblocksx(texture->format, surface->width),
567 util_format_get_nblocksy(texture->format, surface->height),
568 transfer->stride,
569 data);
570
571 pipe->transfer_unmap(pipe, transfer);
572 error:
573 pipe->transfer_destroy(pipe, transfer);
574 }
575
576
577 void debug_dump_texture(struct pipe_context *pipe,
578 const char *prefix,
579 struct pipe_resource *texture)
580 {
581 struct pipe_surface *surface, surf_tmpl;
582
583 if (!texture)
584 return;
585
586 /* XXX for now, just dump image for layer=0, level=0 */
587 memset(&surf_tmpl, 0, sizeof(surf_tmpl));
588 u_surface_default_template(&surf_tmpl, texture, 0 /* no bind flag - not a surface */);
589 surface = pipe->create_surface(pipe, texture, &surf_tmpl);
590 if (surface) {
591 debug_dump_surface(pipe, prefix, surface);
592 pipe->surface_destroy(pipe, surface);
593 }
594 }
595
596
597 #pragma pack(push,2)
598 struct bmp_file_header {
599 uint16_t bfType;
600 uint32_t bfSize;
601 uint16_t bfReserved1;
602 uint16_t bfReserved2;
603 uint32_t bfOffBits;
604 };
605 #pragma pack(pop)
606
607 struct bmp_info_header {
608 uint32_t biSize;
609 int32_t biWidth;
610 int32_t biHeight;
611 uint16_t biPlanes;
612 uint16_t biBitCount;
613 uint32_t biCompression;
614 uint32_t biSizeImage;
615 int32_t biXPelsPerMeter;
616 int32_t biYPelsPerMeter;
617 uint32_t biClrUsed;
618 uint32_t biClrImportant;
619 };
620
621 struct bmp_rgb_quad {
622 uint8_t rgbBlue;
623 uint8_t rgbGreen;
624 uint8_t rgbRed;
625 uint8_t rgbAlpha;
626 };
627
628 void
629 debug_dump_surface_bmp(struct pipe_context *pipe,
630 const char *filename,
631 struct pipe_surface *surface)
632 {
633 #ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
634 struct pipe_transfer *transfer;
635 struct pipe_resource *texture = surface->texture;
636
637 transfer = pipe_get_transfer(pipe, texture, surface->u.tex.level,
638 surface->u.tex.first_layer, PIPE_TRANSFER_READ,
639 0, 0, surface->width, surface->height);
640
641 debug_dump_transfer_bmp(pipe, filename, transfer);
642
643 pipe->transfer_destroy(pipe, transfer);
644 #endif
645 }
646
647 void
648 debug_dump_transfer_bmp(struct pipe_context *pipe,
649 const char *filename,
650 struct pipe_transfer *transfer)
651 {
652 #ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
653 float *rgba;
654
655 if (!transfer)
656 goto error1;
657
658 rgba = MALLOC(transfer->box.width *
659 transfer->box.height *
660 transfer->box.depth *
661 4*sizeof(float));
662 if(!rgba)
663 goto error1;
664
665 pipe_get_tile_rgba(pipe, transfer, 0, 0,
666 transfer->box.width, transfer->box.height,
667 rgba);
668
669 debug_dump_float_rgba_bmp(filename,
670 transfer->box.width, transfer->box.height,
671 rgba, transfer->box.width);
672
673 FREE(rgba);
674 error1:
675 ;
676 #endif
677 }
678
679 void
680 debug_dump_float_rgba_bmp(const char *filename,
681 unsigned width, unsigned height,
682 float *rgba, unsigned stride)
683 {
684 #ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
685 struct os_stream *stream;
686 struct bmp_file_header bmfh;
687 struct bmp_info_header bmih;
688 unsigned x, y;
689
690 if(!rgba)
691 goto error1;
692
693 bmfh.bfType = 0x4d42;
694 bmfh.bfSize = 14 + 40 + height*width*4;
695 bmfh.bfReserved1 = 0;
696 bmfh.bfReserved2 = 0;
697 bmfh.bfOffBits = 14 + 40;
698
699 bmih.biSize = 40;
700 bmih.biWidth = width;
701 bmih.biHeight = height;
702 bmih.biPlanes = 1;
703 bmih.biBitCount = 32;
704 bmih.biCompression = 0;
705 bmih.biSizeImage = height*width*4;
706 bmih.biXPelsPerMeter = 0;
707 bmih.biYPelsPerMeter = 0;
708 bmih.biClrUsed = 0;
709 bmih.biClrImportant = 0;
710
711 stream = os_file_stream_create(filename);
712 if(!stream)
713 goto error1;
714
715 os_stream_write(stream, &bmfh, 14);
716 os_stream_write(stream, &bmih, 40);
717
718 y = height;
719 while(y--) {
720 float *ptr = rgba + (stride * y * 4);
721 for(x = 0; x < width; ++x)
722 {
723 struct bmp_rgb_quad pixel;
724 pixel.rgbRed = float_to_ubyte(ptr[x*4 + 0]);
725 pixel.rgbGreen = float_to_ubyte(ptr[x*4 + 1]);
726 pixel.rgbBlue = float_to_ubyte(ptr[x*4 + 2]);
727 pixel.rgbAlpha = 255;
728 os_stream_write(stream, &pixel, 4);
729 }
730 }
731
732 os_stream_close(stream);
733 error1:
734 ;
735 #endif
736 }
737
738 #endif