gen_debug.c revision b8e80941 
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
39uint64_t INTEL_DEBUG = 0;
40
41static 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   { NULL,    0 }
90};
91
92uint64_t
93intel_debug_flag_for_shader_stage(gl_shader_stage stage)
94{
95   uint64_t flags[] = {
96      [MESA_SHADER_VERTEX] = DEBUG_VS,
97      [MESA_SHADER_TESS_CTRL] = DEBUG_TCS,
98      [MESA_SHADER_TESS_EVAL] = DEBUG_TES,
99      [MESA_SHADER_GEOMETRY] = DEBUG_GS,
100      [MESA_SHADER_FRAGMENT] = DEBUG_WM,
101      [MESA_SHADER_COMPUTE] = DEBUG_CS,
102   };
103   STATIC_ASSERT(MESA_SHADER_STAGES == 6);
104   return flags[stage];
105}
106
107static void
108brw_process_intel_debug_variable_once(void)
109{
110   INTEL_DEBUG = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
111}
112
113void
114brw_process_intel_debug_variable(void)
115{
116   static once_flag process_intel_debug_variable_flag = ONCE_FLAG_INIT;
117
118   call_once(&process_intel_debug_variable_flag,
119             brw_process_intel_debug_variable_once);
120}
121