/* * Copyright 2003 VMware, Inc. * Copyright © 2006 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ /** * \file intel_debug.c * * Support for the INTEL_DEBUG environment variable, along with other * miscellaneous debugging code. */ #include "brw_context.h" #include "intel_debug.h" #include "utils.h" #include "util/u_atomic.h" /* for p_atomic_cmpxchg */ uint64_t INTEL_DEBUG = 0; static const struct dri_debug_control debug_control[] = { { "tex", DEBUG_TEXTURE}, { "state", DEBUG_STATE}, { "blit", DEBUG_BLIT}, { "mip", DEBUG_MIPTREE}, { "fall", DEBUG_PERF}, { "perf", DEBUG_PERF}, { "perfmon", DEBUG_PERFMON}, { "bat", DEBUG_BATCH}, { "pix", DEBUG_PIXEL}, { "buf", DEBUG_BUFMGR}, { "fbo", DEBUG_FBO}, { "fs", DEBUG_WM }, { "gs", DEBUG_GS}, { "sync", DEBUG_SYNC}, { "prim", DEBUG_PRIMS }, { "vert", DEBUG_VERTS }, { "dri", DEBUG_DRI }, { "sf", DEBUG_SF }, { "stats", DEBUG_STATS }, { "wm", DEBUG_WM }, { "urb", DEBUG_URB }, { "vs", DEBUG_VS }, { "clip", DEBUG_CLIP }, { "aub", DEBUG_AUB }, { "shader_time", DEBUG_SHADER_TIME }, { "no16", DEBUG_NO16 }, { "blorp", DEBUG_BLORP }, { "nodualobj", DEBUG_NO_DUAL_OBJECT_GS }, { "optimizer", DEBUG_OPTIMIZER }, { "ann", DEBUG_ANNOTATION }, { "no8", DEBUG_NO8 }, { "vec4vs", DEBUG_VEC4VS }, { NULL, 0 } }; uint64_t intel_debug_flag_for_shader_stage(gl_shader_stage stage) { int flags[] = { [MESA_SHADER_VERTEX] = DEBUG_VS, [MESA_SHADER_GEOMETRY] = DEBUG_GS, [MESA_SHADER_FRAGMENT] = DEBUG_WM, [MESA_SHADER_COMPUTE] = 0, /* no debug flag yet */ }; STATIC_ASSERT(MESA_SHADER_STAGES == 4); return flags[stage]; } void brw_process_intel_debug_variable(struct brw_context *brw) { uint64_t intel_debug = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); (void) p_atomic_cmpxchg(&INTEL_DEBUG, 0, intel_debug); if (INTEL_DEBUG & DEBUG_BUFMGR) dri_bufmgr_set_debug(brw->bufmgr, true); if ((INTEL_DEBUG & DEBUG_SHADER_TIME) && brw->gen < 7) { fprintf(stderr, "shader_time debugging requires gen7 (Ivybridge) or better.\n"); INTEL_DEBUG &= ~DEBUG_SHADER_TIME; } if (INTEL_DEBUG & DEBUG_PERF) brw->perf_debug = true; if (INTEL_DEBUG & DEBUG_AUB) drm_intel_bufmgr_gem_set_aub_dump(brw->bufmgr, true); } /** * Reads an environment variable and interprets its value as a boolean. * * Recognizes 0/false/no and 1/true/yes. Other values result in the default value. */ bool brw_env_var_as_boolean(const char *var_name, bool default_value) { const char *str = getenv(var_name); if (str == NULL) return default_value; if (strcmp(str, "1") == 0 || strcasecmp(str, "true") == 0 || strcasecmp(str, "yes") == 0) { return true; } else if (strcmp(str, "0") == 0 || strcasecmp(str, "false") == 0 || strcasecmp(str, "no") == 0) { return false; } else { return default_value; } }