src/intel/dev/gen_debug.c

   1 /*
   2  * Copyright 2003 VMware, Inc.
   3  * Copyright © 2006 Intel Corporation
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22  * IN THE SOFTWARE.
  23  */
  24
  25 /**
  26  * \file gen_debug.c
  27  *
  28  * Support for the INTEL_DEBUG environment variable, along with other
  29  * miscellaneous debugging code.
  30  */
  31
  32 #include <stdlib.h>
  33
  34 #include "dev/gen_debug.h"
  35 #include "util/macros.h"
  36 #include "util/debug.h"
  37 #include "c11/threads.h"
  38
  39 uint64_t INTEL_DEBUG = 0;
  40
  41 static const struct debug_control debug_control[] = {
  42    { "tex",         DEBUG_TEXTURE},
  43    { "state",       DEBUG_STATE},
  44    { "blit",        DEBUG_BLIT},
  45    { "mip",         DEBUG_MIPTREE},
  46    { "fall",        DEBUG_PERF},
  47    { "perf",        DEBUG_PERF},
  48    { "perfmon",     DEBUG_PERFMON},
  49    { "bat",         DEBUG_BATCH},
  50    { "pix",         DEBUG_PIXEL},
  51    { "buf",         DEBUG_BUFMGR},
  52    { "fbo",         DEBUG_FBO},
  53    { "fs",          DEBUG_WM },
  54    { "gs",          DEBUG_GS},
  55    { "sync",        DEBUG_SYNC},
  56    { "prim",        DEBUG_PRIMS },
  57    { "vert",        DEBUG_VERTS },
  58    { "dri",         DEBUG_DRI },
  59    { "sf",          DEBUG_SF },
  60    { "submit",      DEBUG_SUBMIT },
  61    { "wm",          DEBUG_WM },
  62    { "urb",         DEBUG_URB },
  63    { "vs",          DEBUG_VS },
  64    { "clip",        DEBUG_CLIP },
  65    { "shader_time", DEBUG_SHADER_TIME },
  66    { "no16",        DEBUG_NO16 },
  67    { "blorp",       DEBUG_BLORP },
  68    { "nodualobj",   DEBUG_NO_DUAL_OBJECT_GS },
  69    { "optimizer",   DEBUG_OPTIMIZER },
  70    { "ann",         DEBUG_ANNOTATION },
  71    { "no8",         DEBUG_NO8 },
  72    { "no-oaconfig", DEBUG_NO_OACONFIG },
  73    { "spill_fs",    DEBUG_SPILL_FS },
  74    { "spill_vec4",  DEBUG_SPILL_VEC4 },
  75    { "cs",          DEBUG_CS },
  76    { "hex",         DEBUG_HEX },
  77    { "nocompact",   DEBUG_NO_COMPACTION },
  78    { "hs",          DEBUG_TCS },
  79    { "tcs",         DEBUG_TCS },
  80    { "ds",          DEBUG_TES },
  81    { "tes",         DEBUG_TES },
  82    { "l3",          DEBUG_L3 },
  83    { "do32",        DEBUG_DO32 },
  84    { "norbc",       DEBUG_NO_RBC },
  85    { "nohiz",       DEBUG_NO_HIZ },
  86    { "color",       DEBUG_COLOR },
  87    { "reemit",      DEBUG_REEMIT },
  88    { "soft64",      DEBUG_SOFT64 },
  89    { "tcs8",        DEBUG_TCS_EIGHT_PATCH },
  90    { NULL,    0 }
  91 };
  92
  93 uint64_t
  94 intel_debug_flag_for_shader_stage(gl_shader_stage stage)
  95 {
  96    uint64_t flags[] = {
  97       [MESA_SHADER_VERTEX] = DEBUG_VS,
  98       [MESA_SHADER_TESS_CTRL] = DEBUG_TCS,
  99       [MESA_SHADER_TESS_EVAL] = DEBUG_TES,
 100       [MESA_SHADER_GEOMETRY] = DEBUG_GS,
 101       [MESA_SHADER_FRAGMENT] = DEBUG_WM,
 102       [MESA_SHADER_COMPUTE] = DEBUG_CS,
 103    };
 104    STATIC_ASSERT(MESA_SHADER_STAGES == 6);
 105    return flags[stage];
 106 }
 107
 108 static void
 109 brw_process_intel_debug_variable_once(void)
 110 {
 111    INTEL_DEBUG = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
 112 }
 113
 114 void
 115 brw_process_intel_debug_variable(void)
 116 {
 117    static once_flag process_intel_debug_variable_flag = ONCE_FLAG_INIT;
 118
 119    call_once(&process_intel_debug_variable_flag,
 120              brw_process_intel_debug_variable_once);
 121 }