src/mesa/drivers/dri/i965/intel_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 intel_debug.c
  27  *
  28  * Support for the INTEL_DEBUG environment variable, along with other
  29  * miscellaneous debugging code.
  30  */
  31
  32 #include "brw_context.h"
  33 #include "intel_debug.h"
  34 #include "utils.h"
  35 #include "util/u_atomic.h" /* for p_atomic_cmpxchg */
  36
  37 uint64_t INTEL_DEBUG = 0;
  38
  39 static const struct dri_debug_control debug_control[] = {
  40    { "tex",         DEBUG_TEXTURE},
  41    { "state",       DEBUG_STATE},
  42    { "blit",        DEBUG_BLIT},
  43    { "mip",         DEBUG_MIPTREE},
  44    { "fall",        DEBUG_PERF},
  45    { "perf",        DEBUG_PERF},
  46    { "perfmon",     DEBUG_PERFMON},
  47    { "bat",         DEBUG_BATCH},
  48    { "pix",         DEBUG_PIXEL},
  49    { "buf",         DEBUG_BUFMGR},
  50    { "fbo",         DEBUG_FBO},
  51    { "fs",          DEBUG_WM },
  52    { "gs",          DEBUG_GS},
  53    { "sync",        DEBUG_SYNC},
  54    { "prim",        DEBUG_PRIMS },
  55    { "vert",        DEBUG_VERTS },
  56    { "dri",         DEBUG_DRI },
  57    { "sf",          DEBUG_SF },
  58    { "stats",       DEBUG_STATS },
  59    { "wm",          DEBUG_WM },
  60    { "urb",         DEBUG_URB },
  61    { "vs",          DEBUG_VS },
  62    { "clip",        DEBUG_CLIP },
  63    { "aub",         DEBUG_AUB },
  64    { "shader_time", DEBUG_SHADER_TIME },
  65    { "no16",        DEBUG_NO16 },
  66    { "blorp",       DEBUG_BLORP },
  67    { "nodualobj",   DEBUG_NO_DUAL_OBJECT_GS },
  68    { "optimizer",   DEBUG_OPTIMIZER },
  69    { "noann",       DEBUG_NO_ANNOTATION },
  70    { "no8",         DEBUG_NO8 },
  71    { NULL,    0 }
  72 };
  73
  74 void
  75 brw_process_intel_debug_variable(struct brw_context *brw)
  76 {
  77    uint64_t intel_debug = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
  78    (void) p_atomic_cmpxchg(&INTEL_DEBUG, 0, intel_debug);
  79
  80    if (INTEL_DEBUG & DEBUG_BUFMGR)
  81       dri_bufmgr_set_debug(brw->bufmgr, true);
  82
  83    if ((INTEL_DEBUG & DEBUG_SHADER_TIME) && brw->gen < 7) {
  84       fprintf(stderr,
  85               "shader_time debugging requires gen7 (Ivybridge) or better.\n");
  86       INTEL_DEBUG &= ~DEBUG_SHADER_TIME;
  87    }
  88
  89    if (INTEL_DEBUG & DEBUG_PERF)
  90       brw->perf_debug = true;
  91
  92    if (INTEL_DEBUG & DEBUG_AUB)
  93       drm_intel_bufmgr_gem_set_aub_dump(brw->bufmgr, true);
  94 }