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 #include <ctype.h> /* isalnum */
  48
  49 void _debug_vprintf(const char *format, va_list ap)
  50 {
  51 #if defined(PIPE_OS_WINDOWS) || defined(PIPE_SUBSYSTEM_EMBEDDED)
  52    /* We buffer until we find a newline. */
  53    static char buf[4096] = {'\0'};
  54    size_t len = strlen(buf);
  55    int ret = util_vsnprintf(buf + len, sizeof(buf) - len, format, ap);
  56    if(ret > (int)(sizeof(buf) - len - 1) || util_strchr(buf + len, '\n')) {
  57       os_log_message(buf);
  58       buf[0] = '\0';
  59    }
  60 #else
  61    /* Just print as-is to stderr */
  62    vfprintf(stderr, format, ap);
  63 #endif
  64 }
  65
  66
  67 #ifdef DEBUG
  68 void debug_print_blob( const char *name,
  69                        const void *blob,
  70                        unsigned size )
  71 {
  72    const unsigned *ublob = (const unsigned *)blob;
  73    unsigned i;
  74
  75    debug_printf("%s (%d dwords%s)\n", name, size/4,
  76                 size%4 ? "... plus a few bytes" : "");
  77
  78    for (i = 0; i < size/4; i++) {
  79       debug_printf("%d:\t%08x\n", i, ublob[i]);
  80    }
  81 }
  82 #endif
  83
  84
  85 static boolean
  86 debug_get_option_should_print(void)
  87 {
  88    static boolean first = TRUE;
  89    static boolean value = FALSE;
  90
  91    if (!first)
  92       return value;
  93
  94    /* Oh hey this will call into this function,
  95     * but its cool since we set first to false
  96     */
  97    first = FALSE;
  98    value = debug_get_bool_option("GALLIUM_PRINT_OPTIONS", FALSE);
  99    /* XXX should we print this option? Currently it wont */
 100    return value;
 101 }
 102
 103 const char *
 104 debug_get_option(const char *name, const char *dfault)
 105 {
 106    const char *result;
 107
 108    result = os_get_option(name);
 109    if(!result)
 110       result = dfault;
 111
 112    if (debug_get_option_should_print())
 113       debug_printf("%s: %s = %s\n", __FUNCTION__, name, result ? result : "(null)");
 114
 115    return result;
 116 }
 117
 118 boolean
 119 debug_get_bool_option(const char *name, boolean dfault)
 120 {
 121    const char *str = os_get_option(name);
 122    boolean result;
 123
 124    if(str == NULL)
 125       result = dfault;
 126    else if(!util_strcmp(str, "n"))
 127       result = FALSE;
 128    else if(!util_strcmp(str, "no"))
 129       result = FALSE;
 130    else if(!util_strcmp(str, "0"))
 131       result = FALSE;
 132    else if(!util_strcmp(str, "f"))
 133       result = FALSE;
 134    else if(!util_strcmp(str, "F"))
 135       result = FALSE;
 136    else if(!util_strcmp(str, "false"))
 137       result = FALSE;
 138    else if(!util_strcmp(str, "FALSE"))
 139       result = FALSE;
 140    else
 141       result = TRUE;
 142
 143    if (debug_get_option_should_print())
 144       debug_printf("%s: %s = %s\n", __FUNCTION__, name, result ? "TRUE" : "FALSE");
 145
 146    return result;
 147 }
 148
 149
 150 long
 151 debug_get_num_option(const char *name, long dfault)
 152 {
 153    long result;
 154    const char *str;
 155
 156    str = os_get_option(name);
 157    if(!str)
 158       result = dfault;
 159    else {
 160       long sign;
 161       char c;
 162       c = *str++;
 163       if(c == '-') {
 164          sign = -1;
 165          c = *str++;
 166       }
 167       else {
 168          sign = 1;
 169       }
 170       result = 0;
 171       while('0' <= c && c <= '9') {
 172          result = result*10 + (c - '0');
 173          c = *str++;
 174       }
 175       result *= sign;
 176    }
 177
 178    if (debug_get_option_should_print())
 179       debug_printf("%s: %s = %li\n", __FUNCTION__, name, result);
 180
 181    return result;
 182 }
 183
 184 static boolean str_has_option(const char *str, const char *name)
 185 {
 186    /* Empty string. */
 187    if (!*str) {
 188       return FALSE;
 189    }
 190
 191    /* OPTION=all */
 192    if (!util_strcmp(str, "all")) {
 193       return TRUE;
 194    }
 195
 196    /* Find 'name' in 'str' surrounded by non-alphanumeric characters. */
 197    {
 198       const char *start = str;
 199       unsigned name_len = strlen(name);
 200
 201       /* 'start' is the beginning of the currently-parsed word,
 202        * we increment 'str' each iteration.
 203        * if we find either the end of string or a non-alphanumeric character,
 204        * we compare 'start' up to 'str-1' with 'name'. */
 205
 206       while (1) {
 207          if (!*str || !isalnum(*str)) {
 208             if (str-start == name_len &&
 209                 !memcmp(start, name, name_len)) {
 210                return TRUE;
 211             }
 212
 213             if (!*str) {
 214                return FALSE;
 215             }
 216
 217             start = str+1;
 218          }
 219
 220          str++;
 221       }
 222    }
 223
 224    return FALSE;
 225 }
 226
 227 unsigned long
 228 debug_get_flags_option(const char *name,
 229                        const struct debug_named_value *flags,
 230                        unsigned long dfault)
 231 {
 232    unsigned long result;
 233    const char *str;
 234    const struct debug_named_value *orig = flags;
 235    int namealign = 0;
 236
 237    str = os_get_option(name);
 238    if(!str)
 239       result = dfault;
 240    else if (!util_strcmp(str, "help")) {
 241       result = dfault;
 242       _debug_printf("%s: help for %s:\n", __FUNCTION__, name);
 243       for (; flags->name; ++flags)
 244          namealign = MAX2(namealign, strlen(flags->name));
 245       for (flags = orig; flags->name; ++flags)
 246          _debug_printf("| %*s [0x%0*lx]%s%s\n", namealign, flags->name,
 247                       (int)sizeof(unsigned long)*CHAR_BIT/4, flags->value,
 248                       flags->desc ? " " : "", flags->desc ? flags->desc : "");
 249    }
 250    else {
 251       result = 0;
 252       while( flags->name ) {
 253          if (str_has_option(str, flags->name))
 254             result |= flags->value;
 255          ++flags;
 256       }
 257    }
 258
 259    if (debug_get_option_should_print()) {
 260       if (str) {
 261          debug_printf("%s: %s = 0x%lx (%s)\n", __FUNCTION__, name, result, str);
 262       } else {
 263          debug_printf("%s: %s = 0x%lx\n", __FUNCTION__, name, result);
 264       }
 265    }
 266
 267    return result;
 268 }
 269
 270
 271 void _debug_assert_fail(const char *expr,
 272                         const char *file,
 273                         unsigned line,
 274                         const char *function)
 275 {
 276    _debug_printf("%s:%u:%s: Assertion `%s' failed.\n", file, line, function, expr);
 277 #if defined(PIPE_OS_WINDOWS) && !defined(PIPE_SUBSYSTEM_WINDOWS_USER)
 278    if (debug_get_bool_option("GALLIUM_ABORT_ON_ASSERT", FALSE))
 279 #else
 280    if (debug_get_bool_option("GALLIUM_ABORT_ON_ASSERT", TRUE))
 281 #endif
 282       os_abort();
 283    else
 284       _debug_printf("continuing...\n");
 285 }
 286
 287
 288 const char *
 289 debug_dump_enum(const struct debug_named_value *names,
 290                 unsigned long value)
 291 {
 292    static char rest[64];
 293
 294    while(names->name) {
 295       if(names->value == value)
 296          return names->name;
 297       ++names;
 298    }
 299
 300    util_snprintf(rest, sizeof(rest), "0x%08lx", value);
 301    return rest;
 302 }
 303
 304
 305 const char *
 306 debug_dump_enum_noprefix(const struct debug_named_value *names,
 307                          const char *prefix,
 308                          unsigned long value)
 309 {
 310    static char rest[64];
 311
 312    while(names->name) {
 313       if(names->value == value) {
 314          const char *name = names->name;
 315          while (*name == *prefix) {
 316             name++;
 317             prefix++;
 318          }
 319          return name;
 320       }
 321       ++names;
 322    }
 323
 324
 325
 326    util_snprintf(rest, sizeof(rest), "0x%08lx", value);
 327    return rest;
 328 }
 329
 330
 331 const char *
 332 debug_dump_flags(const struct debug_named_value *names,
 333                  unsigned long value)
 334 {
 335    static char output[4096];
 336    static char rest[256];
 337    int first = 1;
 338
 339    output[0] = '\0';
 340
 341    while(names->name) {
 342       if((names->value & value) == names->value) {
 343          if (!first)
 344             util_strncat(output, "|", sizeof(output));
 345          else
 346             first = 0;
 347          util_strncat(output, names->name, sizeof(output) - 1);
 348          output[sizeof(output) - 1] = '\0';
 349          value &= ~names->value;
 350       }
 351       ++names;
 352    }
 353
 354    if (value) {
 355       if (!first)
 356          util_strncat(output, "|", sizeof(output));
 357       else
 358          first = 0;
 359
 360       util_snprintf(rest, sizeof(rest), "0x%08lx", value);
 361       util_strncat(output, rest, sizeof(output) - 1);
 362       output[sizeof(output) - 1] = '\0';
 363    }
 364
 365    if(first)
 366       return "0";
 367
 368    return output;
 369 }
 370
 371
 372 #ifdef DEBUG
 373 void debug_print_format(const char *msg, unsigned fmt )
 374 {
 375    debug_printf("%s: %s\n", msg, util_format_name(fmt));
 376 }
 377 #endif
 378
 379
 380
 381 static const struct debug_named_value pipe_prim_names[] = {
 382 #ifdef DEBUG
 383    DEBUG_NAMED_VALUE(PIPE_PRIM_POINTS),
 384    DEBUG_NAMED_VALUE(PIPE_PRIM_LINES),
 385    DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_LOOP),
 386    DEBUG_NAMED_VALUE(PIPE_PRIM_LINE_STRIP),
 387    DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLES),
 388    DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_STRIP),
 389    DEBUG_NAMED_VALUE(PIPE_PRIM_TRIANGLE_FAN),
 390    DEBUG_NAMED_VALUE(PIPE_PRIM_QUADS),
 391    DEBUG_NAMED_VALUE(PIPE_PRIM_QUAD_STRIP),
 392    DEBUG_NAMED_VALUE(PIPE_PRIM_POLYGON),
 393 #endif
 394    DEBUG_NAMED_VALUE_END
 395 };
 396
 397
 398 const char *u_prim_name( unsigned prim )
 399 {
 400    return debug_dump_enum(pipe_prim_names, prim);
 401 }
 402
 403
 404
 405 #ifdef DEBUG
 406 int fl_indent = 0;
 407 const char* fl_function[1024];
 408
 409 int debug_funclog_enter(const char* f, const int line, const char* file)
 410 {
 411    int i;
 412
 413    for (i = 0; i < fl_indent; i++)
 414       debug_printf("  ");
 415    debug_printf("%s\n", f);
 416
 417    assert(fl_indent < 1023);
 418    fl_function[fl_indent++] = f;
 419
 420    return 0;
 421 }
 422
 423 void debug_funclog_exit(const char* f, const int line, const char* file)
 424 {
 425    --fl_indent;
 426    assert(fl_indent >= 0);
 427    assert(fl_function[fl_indent] == f);
 428 }
 429
 430 void debug_funclog_enter_exit(const char* f, const int line, const char* file)
 431 {
 432    int i;
 433    for (i = 0; i < fl_indent; i++)
 434       debug_printf("  ");
 435    debug_printf("%s\n", f);
 436 }
 437 #endif
 438
 439
 440
 441 #ifdef DEBUG
 442 /**
 443  * Dump an image to a .raw or .ppm file (depends on OS).
 444  * \param format  PIPE_FORMAT_x
 445  * \param cpp  bytes per pixel
 446  * \param width  width in pixels
 447  * \param height height in pixels
 448  * \param stride  row stride in bytes
 449  */
 450 void debug_dump_image(const char *prefix,
 451                       unsigned format, unsigned cpp,
 452                       unsigned width, unsigned height,
 453                       unsigned stride,
 454                       const void *data)
 455 {
 456 #ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY
 457    static unsigned no = 0;
 458    char filename[256];
 459    WCHAR wfilename[sizeof(filename)];
 460    ULONG_PTR iFile = 0;
 461    struct {
 462       unsigned format;
 463       unsigned cpp;
 464       unsigned width;
 465       unsigned height;
 466    } header;
 467    unsigned char *pMap = NULL;
 468    unsigned i;
 469
 470    util_snprintf(filename, sizeof(filename), "\\??\\c:\\%03u%s.raw", ++no, prefix);
 471    for(i = 0; i < sizeof(filename); ++i)
 472       wfilename[i] = (WCHAR)filename[i];
 473
 474    pMap = (unsigned char *)EngMapFile(wfilename, sizeof(header) + height*width*cpp, &iFile);
 475    if(!pMap)
 476       return;
 477
 478    header.format = format;
 479    header.cpp = cpp;
 480    header.width = width;
 481    header.height = height;
 482    memcpy(pMap, &header, sizeof(header));
 483    pMap += sizeof(header);
 484
 485    for(i = 0; i < height; ++i) {
 486       memcpy(pMap, (unsigned char *)data + stride*i, cpp*width);
 487       pMap += cpp*width;
 488    }
 489
 490    EngUnmapFile(iFile);
 491 #elif defined(PIPE_OS_UNIX)
 492    /* write a ppm file */
 493    char filename[256];
 494    FILE *f;
 495
 496    util_snprintf(filename, sizeof(filename), "%s.ppm", prefix);
 497
 498    f = fopen(filename, "w");
 499    if (f) {
 500       int i, x, y;
 501       int r, g, b;
 502       const uint8_t *ptr = (uint8_t *) data;
 503
 504       /* XXX this is a hack */
 505       switch (format) {
 506       case PIPE_FORMAT_B8G8R8A8_UNORM:
 507          r = 2;
 508          g = 1;
 509          b = 0;
 510          break;
 511       default:
 512          r = 0;
 513          g = 1;
 514          b = 1;
 515       }
 516
 517       fprintf(f, "P6\n");
 518       fprintf(f, "# ppm-file created by osdemo.c\n");
 519       fprintf(f, "%i %i\n", width, height);
 520       fprintf(f, "255\n");
 521       fclose(f);
 522
 523       f = fopen(filename, "ab");  /* reopen in binary append mode */
 524       for (y = 0; y < height; y++) {
 525          for (x = 0; x < width; x++) {
 526             i = y * stride + x * cpp;
 527             fputc(ptr[i + r], f); /* write red */
 528             fputc(ptr[i + g], f); /* write green */
 529             fputc(ptr[i + b], f); /* write blue */
 530          }
 531       }
 532       fclose(f);
 533    }
 534    else {
 535       fprintf(stderr, "Can't open %s for writing\n", filename);
 536    }
 537 #endif
 538 }
 539
 540 /* FIXME: dump resources, not surfaces... */
 541 void debug_dump_surface(struct pipe_context *pipe,
 542                         const char *prefix,
 543                         struct pipe_surface *surface)
 544 {
 545    struct pipe_resource *texture;
 546    struct pipe_transfer *transfer;
 547    void *data;
 548
 549    if (!surface)
 550       return;
 551
 552    /* XXX: this doesn't necessarily work, as the driver may be using
 553     * temporary storage for the surface which hasn't been propagated
 554     * back into the texture.  Need to nail down the semantics of views
 555     * and transfers a bit better before we can say if extra work needs
 556     * to be done here:
 557     */
 558    texture = surface->texture;
 559
 560    transfer = pipe_get_transfer(pipe, texture, surface->u.tex.level,
 561                                 surface->u.tex.first_layer,
 562                                 PIPE_TRANSFER_READ,
 563                                 0, 0, surface->width, surface->height);
 564
 565    data = pipe->transfer_map(pipe, transfer);
 566    if(!data)
 567       goto error;
 568
 569    debug_dump_image(prefix,
 570                     texture->format,
 571                     util_format_get_blocksize(texture->format),
 572                     util_format_get_nblocksx(texture->format, surface->width),
 573                     util_format_get_nblocksy(texture->format, surface->height),
 574                     transfer->stride,
 575                     data);
 576
 577    pipe->transfer_unmap(pipe, transfer);
 578 error:
 579    pipe->transfer_destroy(pipe, transfer);
 580 }
 581
 582
 583 void debug_dump_texture(struct pipe_context *pipe,
 584                         const char *prefix,
 585                         struct pipe_resource *texture)
 586 {
 587    struct pipe_surface *surface, surf_tmpl;
 588
 589    if (!texture)
 590       return;
 591
 592    /* XXX for now, just dump image for layer=0, level=0 */
 593    memset(&surf_tmpl, 0, sizeof(surf_tmpl));
 594    u_surface_default_template(&surf_tmpl, texture, 0 /* no bind flag - not a surface */);
 595    surface = pipe->create_surface(pipe, texture, &surf_tmpl);
 596    if (surface) {
 597       debug_dump_surface(pipe, prefix, surface);
 598       pipe->surface_destroy(pipe, surface);
 599    }
 600 }
 601
 602
 603 #pragma pack(push,2)
 604 struct bmp_file_header {
 605    uint16_t bfType;
 606    uint32_t bfSize;
 607    uint16_t bfReserved1;
 608    uint16_t bfReserved2;
 609    uint32_t bfOffBits;
 610 };
 611 #pragma pack(pop)
 612
 613 struct bmp_info_header {
 614    uint32_t biSize;
 615    int32_t biWidth;
 616    int32_t biHeight;
 617    uint16_t biPlanes;
 618    uint16_t biBitCount;
 619    uint32_t biCompression;
 620    uint32_t biSizeImage;
 621    int32_t biXPelsPerMeter;
 622    int32_t biYPelsPerMeter;
 623    uint32_t biClrUsed;
 624    uint32_t biClrImportant;
 625 };
 626
 627 struct bmp_rgb_quad {
 628    uint8_t rgbBlue;
 629    uint8_t rgbGreen;
 630    uint8_t rgbRed;
 631    uint8_t rgbAlpha;
 632 };
 633
 634 void
 635 debug_dump_surface_bmp(struct pipe_context *pipe,
 636                        const char *filename,
 637                        struct pipe_surface *surface)
 638 {
 639 #ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
 640    struct pipe_transfer *transfer;
 641    struct pipe_resource *texture = surface->texture;
 642
 643    transfer = pipe_get_transfer(pipe, texture, surface->u.tex.level,
 644                                 surface->u.tex.first_layer, PIPE_TRANSFER_READ,
 645                                 0, 0, surface->width, surface->height);
 646
 647    debug_dump_transfer_bmp(pipe, filename, transfer);
 648
 649    pipe->transfer_destroy(pipe, transfer);
 650 #endif
 651 }
 652
 653 void
 654 debug_dump_transfer_bmp(struct pipe_context *pipe,
 655                         const char *filename,
 656                         struct pipe_transfer *transfer)
 657 {
 658 #ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
 659    float *rgba;
 660
 661    if (!transfer)
 662       goto error1;
 663
 664    rgba = MALLOC(transfer->box.width *
 665                  transfer->box.height *
 666                  transfer->box.depth *
 667                  4*sizeof(float));
 668    if(!rgba)
 669       goto error1;
 670
 671    pipe_get_tile_rgba(pipe, transfer, 0, 0,
 672                       transfer->box.width, transfer->box.height,
 673                       rgba);
 674
 675    debug_dump_float_rgba_bmp(filename,
 676                              transfer->box.width, transfer->box.height,
 677                              rgba, transfer->box.width);
 678
 679    FREE(rgba);
 680 error1:
 681    ;
 682 #endif
 683 }
 684
 685 void
 686 debug_dump_float_rgba_bmp(const char *filename,
 687                           unsigned width, unsigned height,
 688                           float *rgba, unsigned stride)
 689 {
 690 #ifndef PIPE_SUBSYSTEM_WINDOWS_MINIPORT
 691    struct os_stream *stream;
 692    struct bmp_file_header bmfh;
 693    struct bmp_info_header bmih;
 694    unsigned x, y;
 695
 696    if(!rgba)
 697       goto error1;
 698
 699    bmfh.bfType = 0x4d42;
 700    bmfh.bfSize = 14 + 40 + height*width*4;
 701    bmfh.bfReserved1 = 0;
 702    bmfh.bfReserved2 = 0;
 703    bmfh.bfOffBits = 14 + 40;
 704
 705    bmih.biSize = 40;
 706    bmih.biWidth = width;
 707    bmih.biHeight = height;
 708    bmih.biPlanes = 1;
 709    bmih.biBitCount = 32;
 710    bmih.biCompression = 0;
 711    bmih.biSizeImage = height*width*4;
 712    bmih.biXPelsPerMeter = 0;
 713    bmih.biYPelsPerMeter = 0;
 714    bmih.biClrUsed = 0;
 715    bmih.biClrImportant = 0;
 716
 717    stream = os_file_stream_create(filename);
 718    if(!stream)
 719       goto error1;
 720
 721    os_stream_write(stream, &bmfh, 14);
 722    os_stream_write(stream, &bmih, 40);
 723
 724    y = height;
 725    while(y--) {
 726       float *ptr = rgba + (stride * y * 4);
 727       for(x = 0; x < width; ++x)
 728       {
 729          struct bmp_rgb_quad pixel;
 730          pixel.rgbRed   = float_to_ubyte(ptr[x*4 + 0]);
 731          pixel.rgbGreen = float_to_ubyte(ptr[x*4 + 1]);
 732          pixel.rgbBlue  = float_to_ubyte(ptr[x*4 + 2]);
 733          pixel.rgbAlpha = 255;
 734          os_stream_write(stream, &pixel, 4);
 735       }
 736    }
 737
 738    os_stream_close(stream);
 739 error1:
 740    ;
 741 #endif
 742 }
 743
 744 #endif