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 "context.h"
  30 #include "hash.h"
  31 #include "imports.h"
  32 #include "debug.h"
  33 #include "get.h"
  34 #include "pixelstore.h"
  35 #include "readpix.h"
  36 #include "texobj.h"
  37 #include "texformat.h"
  38
  39
  40 /**
  41  * Primitive names
  42  */
  43 const char *_mesa_prim_name[GL_POLYGON+4] = {
  44    "GL_POINTS",
  45    "GL_LINES",
  46    "GL_LINE_LOOP",
  47    "GL_LINE_STRIP",
  48    "GL_TRIANGLES",
  49    "GL_TRIANGLE_STRIP",
  50    "GL_TRIANGLE_FAN",
  51    "GL_QUADS",
  52    "GL_QUAD_STRIP",
  53    "GL_POLYGON",
  54    "outside begin/end",
  55    "inside unkown primitive",
  56    "unknown state"
  57 };
  58
  59 void
  60 _mesa_print_state( const char *msg, GLuint state )
  61 {
  62    _mesa_debug(NULL,
  63            "%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%s\n",
  64            msg,
  65            state,
  66            (state & _NEW_MODELVIEW)       ? "ctx->ModelView, " : "",
  67            (state & _NEW_PROJECTION)      ? "ctx->Projection, " : "",
  68            (state & _NEW_TEXTURE_MATRIX)  ? "ctx->TextureMatrix, " : "",
  69            (state & _NEW_COLOR_MATRIX)    ? "ctx->ColorMatrix, " : "",
  70            (state & _NEW_ACCUM)           ? "ctx->Accum, " : "",
  71            (state & _NEW_COLOR)           ? "ctx->Color, " : "",
  72            (state & _NEW_DEPTH)           ? "ctx->Depth, " : "",
  73            (state & _NEW_EVAL)            ? "ctx->Eval/EvalMap, " : "",
  74            (state & _NEW_FOG)             ? "ctx->Fog, " : "",
  75            (state & _NEW_HINT)            ? "ctx->Hint, " : "",
  76            (state & _NEW_LIGHT)           ? "ctx->Light, " : "",
  77            (state & _NEW_LINE)            ? "ctx->Line, " : "",
  78            (state & _NEW_PIXEL)           ? "ctx->Pixel, " : "",
  79            (state & _NEW_POINT)           ? "ctx->Point, " : "",
  80            (state & _NEW_POLYGON)         ? "ctx->Polygon, " : "",
  81            (state & _NEW_POLYGONSTIPPLE)  ? "ctx->PolygonStipple, " : "",
  82            (state & _NEW_SCISSOR)         ? "ctx->Scissor, " : "",
  83            (state & _NEW_TEXTURE)         ? "ctx->Texture, " : "",
  84            (state & _NEW_TRANSFORM)       ? "ctx->Transform, " : "",
  85            (state & _NEW_VIEWPORT)        ? "ctx->Viewport, " : "",
  86            (state & _NEW_PACKUNPACK)      ? "ctx->Pack/Unpack, " : "",
  87            (state & _NEW_ARRAY)           ? "ctx->Array, " : "",
  88            (state & _NEW_RENDERMODE)      ? "ctx->RenderMode, " : "",
  89            (state & _NEW_BUFFERS)         ? "ctx->Visual, ctx->DrawBuffer,, " : "");
  90 }
  91
  92
  93
  94 void
  95 _mesa_print_tri_caps( const char *name, GLuint flags )
  96 {
  97    _mesa_debug(NULL,
  98            "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
  99            name,
 100            flags,
 101            (flags & DD_FLATSHADE)           ? "flat-shade, " : "",
 102            (flags & DD_SEPARATE_SPECULAR)   ? "separate-specular, " : "",
 103            (flags & DD_TRI_LIGHT_TWOSIDE)   ? "tri-light-twoside, " : "",
 104            (flags & DD_TRI_TWOSTENCIL)      ? "tri-twostencil, " : "",
 105            (flags & DD_TRI_UNFILLED)        ? "tri-unfilled, " : "",
 106            (flags & DD_TRI_STIPPLE)         ? "tri-stipple, " : "",
 107            (flags & DD_TRI_OFFSET)          ? "tri-offset, " : "",
 108            (flags & DD_TRI_SMOOTH)          ? "tri-smooth, " : "",
 109            (flags & DD_LINE_SMOOTH)         ? "line-smooth, " : "",
 110            (flags & DD_LINE_STIPPLE)        ? "line-stipple, " : "",
 111            (flags & DD_LINE_WIDTH)          ? "line-wide, " : "",
 112            (flags & DD_POINT_SMOOTH)        ? "point-smooth, " : "",
 113            (flags & DD_POINT_SIZE)          ? "point-size, " : "",
 114            (flags & DD_POINT_ATTEN)         ? "point-atten, " : "",
 115            (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : ""
 116       );
 117 }
 118
 119
 120 /**
 121  * Print information about this Mesa version and build options.
 122  */
 123 void _mesa_print_info( void )
 124 {
 125    _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
 126            (char *) _mesa_GetString(GL_VERSION));
 127    _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n",
 128            (char *) _mesa_GetString(GL_RENDERER));
 129    _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
 130            (char *) _mesa_GetString(GL_VENDOR));
 131    _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
 132            (char *) _mesa_GetString(GL_EXTENSIONS));
 133 #if defined(THREADS)
 134    _mesa_debug(NULL, "Mesa thread-safe: YES\n");
 135 #else
 136    _mesa_debug(NULL, "Mesa thread-safe: NO\n");
 137 #endif
 138 #if defined(USE_X86_ASM)
 139    _mesa_debug(NULL, "Mesa x86-optimized: YES\n");
 140 #else
 141    _mesa_debug(NULL, "Mesa x86-optimized: NO\n");
 142 #endif
 143 #if defined(USE_SPARC_ASM)
 144    _mesa_debug(NULL, "Mesa sparc-optimized: YES\n");
 145 #else
 146    _mesa_debug(NULL, "Mesa sparc-optimized: NO\n");
 147 #endif
 148 }
 149
 150
 151 /**
 152  * Set the debugging flags.
 153  *
 154  * \param debug debug string
 155  *
 156  * If compiled with debugging support then search for keywords in \p debug and
 157  * enables the verbose debug output of the respective feature.
 158  */
 159 static void add_debug_flags( const char *debug )
 160 {
 161 #ifdef DEBUG
 162    struct debug_option {
 163       const char *name;
 164       GLbitfield flag;
 165    };
 166    static const struct debug_option debug_opt[] = {
 167       { "varray",    VERBOSE_VARRAY },
 168       { "tex",       VERBOSE_TEXTURE },
 169       { "imm",       VERBOSE_IMMEDIATE },
 170       { "pipe",      VERBOSE_PIPELINE },
 171       { "driver",    VERBOSE_DRIVER },
 172       { "state",     VERBOSE_STATE },
 173       { "api",       VERBOSE_API },
 174       { "list",      VERBOSE_DISPLAY_LIST },
 175       { "lighting",  VERBOSE_LIGHTING },
 176       { "disassem",  VERBOSE_DISASSEM }
 177    };
 178    GLuint i;
 179
 180    MESA_VERBOSE = 0x0;
 181    for (i = 0; i < Elements(debug_opt); i++) {
 182       if (_mesa_strstr(debug, debug_opt[i].name))
 183          MESA_VERBOSE |= debug_opt[i].flag;
 184    }
 185
 186    /* Debug flag:
 187     */
 188    if (_mesa_strstr(debug, "flush"))
 189       MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
 190
 191 #if defined(_FPU_GETCW) && defined(_FPU_SETCW)
 192    if (_mesa_strstr(debug, "fpexceptions")) {
 193       /* raise FP exceptions */
 194       fpu_control_t mask;
 195       _FPU_GETCW(mask);
 196       mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM
 197                 | _FPU_MASK_OM | _FPU_MASK_UM);
 198       _FPU_SETCW(mask);
 199    }
 200 #endif
 201
 202 #else
 203    (void) debug;
 204 #endif
 205 }
 206
 207
 208 void
 209 _mesa_init_debug( GLcontext *ctx )
 210 {
 211    char *c;
 212
 213    /* Dither disable */
 214    ctx->NoDither = _mesa_getenv("MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
 215    if (ctx->NoDither) {
 216       if (_mesa_getenv("MESA_DEBUG")) {
 217          _mesa_debug(ctx, "MESA_NO_DITHER set - dithering disabled\n");
 218       }
 219       ctx->Color.DitherFlag = GL_FALSE;
 220    }
 221
 222    c = _mesa_getenv("MESA_DEBUG");
 223    if (c)
 224       add_debug_flags(c);
 225
 226    c = _mesa_getenv("MESA_VERBOSE");
 227    if (c)
 228       add_debug_flags(c);
 229 }
 230
 231
 232 /*
 233  * Write ppm file
 234  */
 235 static void
 236 write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
 237           int comps, int rcomp, int gcomp, int bcomp)
 238 {
 239    FILE *f = fopen( filename, "w" );
 240    if (f) {
 241       int i, x, y;
 242       const GLubyte *ptr = buffer;
 243       fprintf(f,"P6\n");
 244       fprintf(f,"# ppm-file created by osdemo.c\n");
 245       fprintf(f,"%i %i\n", width,height);
 246       fprintf(f,"255\n");
 247       fclose(f);
 248       f = fopen( filename, "ab" );  /* reopen in binary append mode */
 249       for (y=height-1; y>=0; y--) {
 250          for (x=0; x<width; x++) {
 251             i = (y*width + x) * comps;
 252             fputc(ptr[i+rcomp], f);   /* write red */
 253             fputc(ptr[i+gcomp], f); /* write green */
 254             fputc(ptr[i+bcomp], f); /* write blue */
 255          }
 256       }
 257       fclose(f);
 258    }
 259 }
 260
 261
 262 /**
 263  * Write level[0] image to a ppm file.
 264  */
 265 static void
 266 write_texture_image(struct gl_texture_object *texObj)
 267 {
 268    const struct gl_texture_image *img = texObj->Image[0][0];
 269    if (img && img->Data) {
 270       char s[100];
 271
 272       /* make filename */
 273       sprintf(s, "/tmp/teximage%u.ppm", texObj->Name);
 274
 275       switch (img->TexFormat->MesaFormat) {
 276       case MESA_FORMAT_RGBA8888:
 277          write_ppm(s, img->Data, img->Width, img->Height, 4, 3, 2, 1);
 278          break;
 279       case MESA_FORMAT_ARGB8888:
 280          write_ppm(s, img->Data, img->Width, img->Height, 4, 2, 1, 0);
 281          break;
 282       case MESA_FORMAT_RGB888:
 283          write_ppm(s, img->Data, img->Width, img->Height, 3, 2, 1, 0);
 284          break;
 285       case MESA_FORMAT_RGB565:
 286          {
 287             GLubyte *buf2 = (GLubyte *) _mesa_malloc(img->Width * img->Height * 3);
 288             GLuint i;
 289             for (i = 0; i < img->Width * img->Height; i++) {
 290                GLint r, g, b;
 291                GLushort s = ((GLushort *) img->Data)[i];
 292                r = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) );
 293                g = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) | ((s >>  9) & 0x3) );
 294                b = UBYTE_TO_CHAN( ((s << 3) & 0xf8) | ((s >>  2) & 0x7) );
 295                buf2[i*3+1] = r;
 296                buf2[i*3+2] = g;
 297                buf2[i*3+3] = b;
 298             }
 299             write_ppm(s, buf2, img->Width, img->Height, 3, 2, 1, 0);
 300             _mesa_free(buf2);
 301          }
 302          break;
 303       default:
 304          printf("XXXX unsupported mesa tex format %d in %s\n",
 305                 img->TexFormat->MesaFormat, __FUNCTION__);
 306       }
 307    }
 308 }
 309
 310
 311 static GLboolean DumpImages;
 312
 313
 314 static void
 315 dump_texture_cb(GLuint id, void *data, void *userData)
 316 {
 317    struct gl_texture_object *texObj = (struct gl_texture_object *) data;
 318    int i;
 319    (void) userData;
 320
 321    printf("Texture %u\n", texObj->Name);
 322    printf("  Target 0x%x\n", texObj->Target);
 323    for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
 324       struct gl_texture_image *texImg = texObj->Image[0][i];
 325       if (texImg) {
 326          printf("  Image %u: %d x %d x %d at %p\n", i,
 327                 texImg->Width, texImg->Height, texImg->Depth, texImg->Data);
 328          if (DumpImages && i == 0) {
 329             write_texture_image(texObj);
 330          }
 331       }
 332    }
 333 }
 334
 335
 336 /**
 337  * Print basic info about all texture objext to stdout.
 338  * If dumpImages is true, write PPM of level[0] image to a file.
 339  */
 340 void
 341 _mesa_dump_textures(GLboolean dumpImages)
 342 {
 343    GET_CURRENT_CONTEXT(ctx);
 344    DumpImages = dumpImages;
 345    _mesa_HashWalk(ctx->Shared->TexObjects, dump_texture_cb, ctx);
 346 }
 347
 348
 349 void
 350 _mesa_dump_color_buffer(const char *filename)
 351 {
 352    GET_CURRENT_CONTEXT(ctx);
 353    const GLuint w = ctx->DrawBuffer->Width;
 354    const GLuint h = ctx->DrawBuffer->Height;
 355    GLubyte *buf;
 356
 357    buf = (GLubyte *) _mesa_malloc(w * h * 4);
 358
 359    _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
 360    _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
 361    _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
 362
 363    _mesa_ReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buf);
 364
 365    _mesa_printf("ReadBuffer %p 0x%x  DrawBuffer %p 0x%x\n",
 366                 ctx->ReadBuffer->_ColorReadBuffer,
 367                 ctx->ReadBuffer->ColorReadBuffer,
 368                 ctx->DrawBuffer->_ColorDrawBuffers[0],
 369                 ctx->DrawBuffer->ColorDrawBuffer[0]);
 370    _mesa_printf("Writing %d x %d color buffer to %s\n", w, h, filename);
 371    write_ppm(filename, buf, w, h, 4, 0, 1, 2);
 372
 373    _mesa_PopClientAttrib();
 374
 375    _mesa_free(buf);
 376 }
 377
 378
 379 void
 380 _mesa_dump_depth_buffer(const char *filename)
 381 {
 382    GET_CURRENT_CONTEXT(ctx);
 383    const GLuint w = ctx->DrawBuffer->Width;
 384    const GLuint h = ctx->DrawBuffer->Height;
 385    GLuint *buf;
 386    GLubyte *buf2;
 387    GLuint i;
 388
 389    buf = (GLuint *) _mesa_malloc(w * h * 4);  /* 4 bpp */
 390    buf2 = (GLubyte *) _mesa_malloc(w * h * 3); /* 3 bpp */
 391
 392    _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
 393    _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
 394    _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
 395
 396    _mesa_ReadPixels(0, 0, w, h, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buf);
 397
 398    /* spread 24 bits of Z across R, G, B */
 399    for (i = 0; i < w * h; i++) {
 400       buf2[i*3+0] = (buf[i] >> 24) & 0xff;
 401       buf2[i*3+1] = (buf[i] >> 16) & 0xff;
 402       buf2[i*3+2] = (buf[i] >>  8) & 0xff;
 403    }
 404
 405    _mesa_printf("Writing %d x %d depth buffer to %s\n", w, h, filename);
 406    write_ppm(filename, buf2, w, h, 3, 0, 1, 2);
 407
 408    _mesa_PopClientAttrib();
 409
 410    _mesa_free(buf);
 411    _mesa_free(buf2);
 412 }
 413
 414
 415 void
 416 _mesa_dump_stencil_buffer(const char *filename)
 417 {
 418    GET_CURRENT_CONTEXT(ctx);
 419    const GLuint w = ctx->DrawBuffer->Width;
 420    const GLuint h = ctx->DrawBuffer->Height;
 421    GLubyte *buf;
 422    GLubyte *buf2;
 423    GLuint i;
 424
 425    buf = (GLubyte *) _mesa_malloc(w * h);  /* 1 bpp */
 426    buf2 = (GLubyte *) _mesa_malloc(w * h * 3); /* 3 bpp */
 427
 428    _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
 429    _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
 430    _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
 431
 432    _mesa_ReadPixels(0, 0, w, h, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buf);
 433
 434    for (i = 0; i < w * h; i++) {
 435       buf2[i*3+0] = buf[i];
 436       buf2[i*3+1] = (buf[i] & 127) * 2;
 437       buf2[i*3+2] = (buf[i] - 128) * 2;
 438    }
 439
 440    _mesa_printf("Writing %d x %d stencil buffer to %s\n", w, h, filename);
 441    write_ppm(filename, buf2, w, h, 3, 0, 1, 2);
 442
 443    _mesa_PopClientAttrib();
 444
 445    _mesa_free(buf);
 446    _mesa_free(buf2);
 447 }