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