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 "context.h"
  27 #include "imports.h"
  28 #include "debug.h"
  29 #include "get.h"
  30
  31 /**
  32  * Primitive names
  33  */
  34 const char *_mesa_prim_name[GL_POLYGON+4] = {
  35    "GL_POINTS",
  36    "GL_LINES",
  37    "GL_LINE_LOOP",
  38    "GL_LINE_STRIP",
  39    "GL_TRIANGLES",
  40    "GL_TRIANGLE_STRIP",
  41    "GL_TRIANGLE_FAN",
  42    "GL_QUADS",
  43    "GL_QUAD_STRIP",
  44    "GL_POLYGON",
  45    "outside begin/end",
  46    "inside unkown primitive",
  47    "unknown state"
  48 };
  49
  50 void
  51 _mesa_print_state( const char *msg, GLuint state )
  52 {
  53    _mesa_debug(NULL,
  54            "%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",
  55            msg,
  56            state,
  57            (state & _NEW_MODELVIEW)       ? "ctx->ModelView, " : "",
  58            (state & _NEW_PROJECTION)      ? "ctx->Projection, " : "",
  59            (state & _NEW_TEXTURE_MATRIX)  ? "ctx->TextureMatrix, " : "",
  60            (state & _NEW_COLOR_MATRIX)    ? "ctx->ColorMatrix, " : "",
  61            (state & _NEW_ACCUM)           ? "ctx->Accum, " : "",
  62            (state & _NEW_COLOR)           ? "ctx->Color, " : "",
  63            (state & _NEW_DEPTH)           ? "ctx->Depth, " : "",
  64            (state & _NEW_EVAL)            ? "ctx->Eval/EvalMap, " : "",
  65            (state & _NEW_FOG)             ? "ctx->Fog, " : "",
  66            (state & _NEW_HINT)            ? "ctx->Hint, " : "",
  67            (state & _NEW_LIGHT)           ? "ctx->Light, " : "",
  68            (state & _NEW_LINE)            ? "ctx->Line, " : "",
  69            (state & _NEW_PIXEL)           ? "ctx->Pixel, " : "",
  70            (state & _NEW_POINT)           ? "ctx->Point, " : "",
  71            (state & _NEW_POLYGON)         ? "ctx->Polygon, " : "",
  72            (state & _NEW_POLYGONSTIPPLE)  ? "ctx->PolygonStipple, " : "",
  73            (state & _NEW_SCISSOR)         ? "ctx->Scissor, " : "",
  74            (state & _NEW_TEXTURE)         ? "ctx->Texture, " : "",
  75            (state & _NEW_TRANSFORM)       ? "ctx->Transform, " : "",
  76            (state & _NEW_VIEWPORT)        ? "ctx->Viewport, " : "",
  77            (state & _NEW_PACKUNPACK)      ? "ctx->Pack/Unpack, " : "",
  78            (state & _NEW_ARRAY)           ? "ctx->Array, " : "",
  79            (state & _NEW_RENDERMODE)      ? "ctx->RenderMode, " : "",
  80            (state & _NEW_BUFFERS)         ? "ctx->Visual, ctx->DrawBuffer,, " : "");
  81 }
  82
  83
  84
  85 void
  86 _mesa_print_tri_caps( const char *name, GLuint flags )
  87 {
  88    _mesa_debug(NULL,
  89            "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
  90            name,
  91            flags,
  92            (flags & DD_FLATSHADE)           ? "flat-shade, " : "",
  93            (flags & DD_SEPARATE_SPECULAR)   ? "separate-specular, " : "",
  94            (flags & DD_TRI_LIGHT_TWOSIDE)   ? "tri-light-twoside, " : "",
  95            (flags & DD_TRI_TWOSTENCIL)      ? "tri-twostencil, " : "",
  96            (flags & DD_TRI_UNFILLED)        ? "tri-unfilled, " : "",
  97            (flags & DD_TRI_STIPPLE)         ? "tri-stipple, " : "",
  98            (flags & DD_TRI_OFFSET)          ? "tri-offset, " : "",
  99            (flags & DD_TRI_SMOOTH)          ? "tri-smooth, " : "",
 100            (flags & DD_LINE_SMOOTH)         ? "line-smooth, " : "",
 101            (flags & DD_LINE_STIPPLE)        ? "line-stipple, " : "",
 102            (flags & DD_LINE_WIDTH)          ? "line-wide, " : "",
 103            (flags & DD_POINT_SMOOTH)        ? "point-smooth, " : "",
 104            (flags & DD_POINT_SIZE)          ? "point-size, " : "",
 105            (flags & DD_POINT_ATTEN)         ? "point-atten, " : "",
 106            (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : ""
 107       );
 108 }
 109
 110
 111 /**
 112  * Print information about this Mesa version and build options.
 113  */
 114 void _mesa_print_info( void )
 115 {
 116    _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
 117            (char *) _mesa_GetString(GL_VERSION));
 118    _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n",
 119            (char *) _mesa_GetString(GL_RENDERER));
 120    _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
 121            (char *) _mesa_GetString(GL_VENDOR));
 122    _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
 123            (char *) _mesa_GetString(GL_EXTENSIONS));
 124 #if defined(THREADS)
 125    _mesa_debug(NULL, "Mesa thread-safe: YES\n");
 126 #else
 127    _mesa_debug(NULL, "Mesa thread-safe: NO\n");
 128 #endif
 129 #if defined(USE_X86_ASM)
 130    _mesa_debug(NULL, "Mesa x86-optimized: YES\n");
 131 #else
 132    _mesa_debug(NULL, "Mesa x86-optimized: NO\n");
 133 #endif
 134 #if defined(USE_SPARC_ASM)
 135    _mesa_debug(NULL, "Mesa sparc-optimized: YES\n");
 136 #else
 137    _mesa_debug(NULL, "Mesa sparc-optimized: NO\n");
 138 #endif
 139 }
 140
 141
 142 /**
 143  * Set the debugging flags.
 144  *
 145  * \param debug debug string
 146  *
 147  * If compiled with debugging support then search for keywords in \p debug and
 148  * enables the verbose debug output of the respective feature.
 149  */
 150 static void add_debug_flags( const char *debug )
 151 {
 152 #ifdef DEBUG
 153    struct debug_option {
 154       const char *name;
 155       GLbitfield flag;
 156    };
 157    static const struct debug_option debug_opt[] = {
 158       { "varray",    VERBOSE_VARRAY },
 159       { "tex",       VERBOSE_TEXTURE },
 160       { "imm",       VERBOSE_IMMEDIATE },
 161       { "pipe",      VERBOSE_PIPELINE },
 162       { "driver",    VERBOSE_DRIVER },
 163       { "state",     VERBOSE_STATE },
 164       { "api",       VERBOSE_API },
 165       { "list",      VERBOSE_DISPLAY_LIST },
 166       { "lighting",  VERBOSE_LIGHTING },
 167       { "disassem",  VERBOSE_DISASSEM },
 168       { "glsl",      VERBOSE_GLSL },     /* report GLSL compile/link errors */
 169       { "glsl_dump", VERBOSE_GLSL_DUMP } /* print shader GPU instructions */
 170    };
 171    GLuint i;
 172
 173    MESA_VERBOSE = 0x0;
 174    for (i = 0; i < Elements(debug_opt); i++) {
 175       if (_mesa_strstr(debug, debug_opt[i].name))
 176          MESA_VERBOSE |= debug_opt[i].flag;
 177    }
 178
 179    /* Debug flag:
 180     */
 181    if (_mesa_strstr(debug, "flush"))
 182       MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
 183
 184 #if defined(_FPU_GETCW) && defined(_FPU_SETCW)
 185    if (_mesa_strstr(debug, "fpexceptions")) {
 186       /* raise FP exceptions */
 187       fpu_control_t mask;
 188       _FPU_GETCW(mask);
 189       mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM
 190                 | _FPU_MASK_OM | _FPU_MASK_UM);
 191       _FPU_SETCW(mask);
 192    }
 193 #endif
 194
 195 #else
 196    (void) debug;
 197 #endif
 198 }
 199
 200
 201 void
 202 _mesa_init_debug( GLcontext *ctx )
 203 {
 204    char *c;
 205
 206    /* Dither disable */
 207    ctx->NoDither = _mesa_getenv("MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
 208    if (ctx->NoDither) {
 209       if (_mesa_getenv("MESA_DEBUG")) {
 210          _mesa_debug(ctx, "MESA_NO_DITHER set - dithering disabled\n");
 211       }
 212       ctx->Color.DitherFlag = GL_FALSE;
 213    }
 214
 215    c = _mesa_getenv("MESA_DEBUG");
 216    if (c)
 217       add_debug_flags(c);
 218
 219    c = _mesa_getenv("MESA_VERBOSE");
 220    if (c)
 221       add_debug_flags(c);
 222 }
 223