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  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include "mtypes.h"
  26 #include "colormac.h"
  27 #include "context.h"
  28 #include "hash.h"
  29 #include "imports.h"
  30 #include "debug.h"
  31 #include "get.h"
  32 #include "texobj.h"
  33 #include "texformat.h"
  34
  35
  36 /**
  37  * Primitive names
  38  */
  39 const char *_mesa_prim_name[GL_POLYGON+4] = {
  40    "GL_POINTS",
  41    "GL_LINES",
  42    "GL_LINE_LOOP",
  43    "GL_LINE_STRIP",
  44    "GL_TRIANGLES",
  45    "GL_TRIANGLE_STRIP",
  46    "GL_TRIANGLE_FAN",
  47    "GL_QUADS",
  48    "GL_QUAD_STRIP",
  49    "GL_POLYGON",
  50    "outside begin/end",
  51    "inside unkown primitive",
  52    "unknown state"
  53 };
  54
  55 void
  56 _mesa_print_state( const char *msg, GLuint state )
  57 {
  58    _mesa_debug(NULL,
  59            "%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",
  60            msg,
  61            state,
  62            (state & _NEW_MODELVIEW)       ? "ctx->ModelView, " : "",
  63            (state & _NEW_PROJECTION)      ? "ctx->Projection, " : "",
  64            (state & _NEW_TEXTURE_MATRIX)  ? "ctx->TextureMatrix, " : "",
  65            (state & _NEW_COLOR_MATRIX)    ? "ctx->ColorMatrix, " : "",
  66            (state & _NEW_ACCUM)           ? "ctx->Accum, " : "",
  67            (state & _NEW_COLOR)           ? "ctx->Color, " : "",
  68            (state & _NEW_DEPTH)           ? "ctx->Depth, " : "",
  69            (state & _NEW_EVAL)            ? "ctx->Eval/EvalMap, " : "",
  70            (state & _NEW_FOG)             ? "ctx->Fog, " : "",
  71            (state & _NEW_HINT)            ? "ctx->Hint, " : "",
  72            (state & _NEW_LIGHT)           ? "ctx->Light, " : "",
  73            (state & _NEW_LINE)            ? "ctx->Line, " : "",
  74            (state & _NEW_PIXEL)           ? "ctx->Pixel, " : "",
  75            (state & _NEW_POINT)           ? "ctx->Point, " : "",
  76            (state & _NEW_POLYGON)         ? "ctx->Polygon, " : "",
  77            (state & _NEW_POLYGONSTIPPLE)  ? "ctx->PolygonStipple, " : "",
  78            (state & _NEW_SCISSOR)         ? "ctx->Scissor, " : "",
  79            (state & _NEW_TEXTURE)         ? "ctx->Texture, " : "",
  80            (state & _NEW_TRANSFORM)       ? "ctx->Transform, " : "",
  81            (state & _NEW_VIEWPORT)        ? "ctx->Viewport, " : "",
  82            (state & _NEW_PACKUNPACK)      ? "ctx->Pack/Unpack, " : "",
  83            (state & _NEW_ARRAY)           ? "ctx->Array, " : "",
  84            (state & _NEW_RENDERMODE)      ? "ctx->RenderMode, " : "",
  85            (state & _NEW_BUFFERS)         ? "ctx->Visual, ctx->DrawBuffer,, " : "");
  86 }
  87
  88
  89
  90 void
  91 _mesa_print_tri_caps( const char *name, GLuint flags )
  92 {
  93    _mesa_debug(NULL,
  94            "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
  95            name,
  96            flags,
  97            (flags & DD_FLATSHADE)           ? "flat-shade, " : "",
  98            (flags & DD_SEPARATE_SPECULAR)   ? "separate-specular, " : "",
  99            (flags & DD_TRI_LIGHT_TWOSIDE)   ? "tri-light-twoside, " : "",
 100            (flags & DD_TRI_TWOSTENCIL)      ? "tri-twostencil, " : "",
 101            (flags & DD_TRI_UNFILLED)        ? "tri-unfilled, " : "",
 102            (flags & DD_TRI_STIPPLE)         ? "tri-stipple, " : "",
 103            (flags & DD_TRI_OFFSET)          ? "tri-offset, " : "",
 104            (flags & DD_TRI_SMOOTH)          ? "tri-smooth, " : "",
 105            (flags & DD_LINE_SMOOTH)         ? "line-smooth, " : "",
 106            (flags & DD_LINE_STIPPLE)        ? "line-stipple, " : "",
 107            (flags & DD_LINE_WIDTH)          ? "line-wide, " : "",
 108            (flags & DD_POINT_SMOOTH)        ? "point-smooth, " : "",
 109            (flags & DD_POINT_SIZE)          ? "point-size, " : "",
 110            (flags & DD_POINT_ATTEN)         ? "point-atten, " : "",
 111            (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : ""
 112       );
 113 }
 114
 115
 116 /**
 117  * Print information about this Mesa version and build options.
 118  */
 119 void _mesa_print_info( void )
 120 {
 121    _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
 122            (char *) _mesa_GetString(GL_VERSION));
 123    _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n",
 124            (char *) _mesa_GetString(GL_RENDERER));
 125    _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
 126            (char *) _mesa_GetString(GL_VENDOR));
 127    _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
 128            (char *) _mesa_GetString(GL_EXTENSIONS));
 129 #if defined(THREADS)
 130    _mesa_debug(NULL, "Mesa thread-safe: YES\n");
 131 #else
 132    _mesa_debug(NULL, "Mesa thread-safe: NO\n");
 133 #endif
 134 #if defined(USE_X86_ASM)
 135    _mesa_debug(NULL, "Mesa x86-optimized: YES\n");
 136 #else
 137    _mesa_debug(NULL, "Mesa x86-optimized: NO\n");
 138 #endif
 139 #if defined(USE_SPARC_ASM)
 140    _mesa_debug(NULL, "Mesa sparc-optimized: YES\n");
 141 #else
 142    _mesa_debug(NULL, "Mesa sparc-optimized: NO\n");
 143 #endif
 144 }
 145
 146
 147 /**
 148  * Set the debugging flags.
 149  *
 150  * \param debug debug string
 151  *
 152  * If compiled with debugging support then search for keywords in \p debug and
 153  * enables the verbose debug output of the respective feature.
 154  */
 155 static void add_debug_flags( const char *debug )
 156 {
 157 #ifdef DEBUG
 158    struct debug_option {
 159       const char *name;
 160       GLbitfield flag;
 161    };
 162    static const struct debug_option debug_opt[] = {
 163       { "varray",    VERBOSE_VARRAY },
 164       { "tex",       VERBOSE_TEXTURE },
 165       { "imm",       VERBOSE_IMMEDIATE },
 166       { "pipe",      VERBOSE_PIPELINE },
 167       { "driver",    VERBOSE_DRIVER },
 168       { "state",     VERBOSE_STATE },
 169       { "api",       VERBOSE_API },
 170       { "list",      VERBOSE_DISPLAY_LIST },
 171       { "lighting",  VERBOSE_LIGHTING },
 172       { "disassem",  VERBOSE_DISASSEM }
 173    };
 174    GLuint i;
 175
 176    MESA_VERBOSE = 0x0;
 177    for (i = 0; i < Elements(debug_opt); i++) {
 178       if (_mesa_strstr(debug, debug_opt[i].name))
 179          MESA_VERBOSE |= debug_opt[i].flag;
 180    }
 181
 182    /* Debug flag:
 183     */
 184    if (_mesa_strstr(debug, "flush"))
 185       MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
 186
 187 #if defined(_FPU_GETCW) && defined(_FPU_SETCW)
 188    if (_mesa_strstr(debug, "fpexceptions")) {
 189       /* raise FP exceptions */
 190       fpu_control_t mask;
 191       _FPU_GETCW(mask);
 192       mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM
 193                 | _FPU_MASK_OM | _FPU_MASK_UM);
 194       _FPU_SETCW(mask);
 195    }
 196 #endif
 197
 198 #else
 199    (void) debug;
 200 #endif
 201 }
 202
 203
 204 void
 205 _mesa_init_debug( GLcontext *ctx )
 206 {
 207    char *c;
 208
 209    /* Dither disable */
 210    ctx->NoDither = _mesa_getenv("MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
 211    if (ctx->NoDither) {
 212       if (_mesa_getenv("MESA_DEBUG")) {
 213          _mesa_debug(ctx, "MESA_NO_DITHER set - dithering disabled\n");
 214       }
 215       ctx->Color.DitherFlag = GL_FALSE;
 216    }
 217
 218    c = _mesa_getenv("MESA_DEBUG");
 219    if (c)
 220       add_debug_flags(c);
 221
 222    c = _mesa_getenv("MESA_VERBOSE");
 223    if (c)
 224       add_debug_flags(c);
 225 }
 226
 227
 228 /*
 229  * Write ppm file
 230  */
 231 static void
 232 write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
 233           int comps, int rcomp, int gcomp, int bcomp)
 234 {
 235    FILE *f = fopen( filename, "w" );
 236    if (f) {
 237       int i, x, y;
 238       const GLubyte *ptr = buffer;
 239       fprintf(f,"P6\n");
 240       fprintf(f,"# ppm-file created by osdemo.c\n");
 241       fprintf(f,"%i %i\n", width,height);
 242       fprintf(f,"255\n");
 243       fclose(f);
 244       f = fopen( filename, "ab" );  /* reopen in binary append mode */
 245       for (y=height-1; y>=0; y--) {
 246          for (x=0; x<width; x++) {
 247             i = (y*width + x) * comps;
 248             fputc(ptr[i+rcomp], f);   /* write red */
 249             fputc(ptr[i+gcomp], f); /* write green */
 250             fputc(ptr[i+bcomp], f); /* write blue */
 251          }
 252       }
 253       fclose(f);
 254    }
 255 }
 256
 257
 258 /**
 259  * Write level[0] image to a ppm file.
 260  */
 261 static void
 262 write_texture_image(struct gl_texture_object *texObj)
 263 {
 264    const struct gl_texture_image *img = texObj->Image[0][0];
 265    if (img) {
 266       char s[100];
 267
 268       /* make filename */
 269       sprintf(s, "/tmp/teximage%u.ppm", texObj->Name);
 270
 271       switch (img->TexFormat->MesaFormat) {
 272       case MESA_FORMAT_RGBA8888:
 273          write_ppm(s, img->Data, img->Width, img->Height, 4, 3, 2, 1);
 274          break;
 275       case MESA_FORMAT_ARGB8888:
 276          write_ppm(s, img->Data, img->Width, img->Height, 4, 2, 1, 0);
 277          break;
 278       case MESA_FORMAT_RGB888:
 279          write_ppm(s, img->Data, img->Width, img->Height, 3, 2, 1, 0);
 280          break;
 281       case MESA_FORMAT_RGB565:
 282          {
 283             GLubyte *buf2 = (GLubyte *) _mesa_malloc(img->Width * img->Height * 3);
 284             GLint i;
 285             for (i = 0; i < img->Width * img->Height; i++) {
 286                GLint r, g, b;
 287                GLushort s = ((GLushort *) img->Data)[i];
 288                r = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) );
 289                g = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) | ((s >>  9) & 0x3) );
 290                b = UBYTE_TO_CHAN( ((s << 3) & 0xf8) | ((s >>  2) & 0x7) );
 291                buf2[i*3+1] = r;
 292                buf2[i*3+2] = g;
 293                buf2[i*3+3] = b;
 294             }
 295             write_ppm(s, buf2, img->Width, img->Height, 3, 2, 1, 0);
 296             _mesa_free(buf2);
 297          }
 298          break;
 299       default:
 300          printf("XXXX unsupported mesa tex format %d in %s\n",
 301                 img->TexFormat->MesaFormat, __FUNCTION__);
 302       }
 303    }
 304 }
 305
 306
 307 static GLboolean DumpImages;
 308
 309
 310 static void
 311 dump_texture_cb(GLuint id, void *data, void *userData)
 312 {
 313    struct gl_texture_object *texObj = (struct gl_texture_object *) data;
 314    int i;
 315    (void) userData;
 316
 317    printf("Texture %u\n", texObj->Name);
 318    printf("  Target 0x%x\n", texObj->Target);
 319    for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
 320       struct gl_texture_image *texImg = texObj->Image[0][i];
 321       if (texImg) {
 322          printf("  Image %u: %d x %d x %d at %p\n", i,
 323                 texImg->Width, texImg->Height, texImg->Depth, texImg->Data);
 324          if (DumpImages && i == 0) {
 325             write_texture_image(texObj);
 326          }
 327       }
 328    }
 329 }
 330
 331
 332 /**
 333  * Print basic info about all texture objext to stdout.
 334  * If dumpImages is true, write PPM of level[0] image to a file.
 335  */
 336 void
 337 _mesa_dump_textures(GLboolean dumpImages)
 338 {
 339    GET_CURRENT_CONTEXT(ctx);
 340    DumpImages = dumpImages;
 341    _mesa_HashDeleteAll(ctx->Shared->TexObjects, dump_texture_cb, ctx);
 342 }