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 "common/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 { NULL, 0 }
89 };
90
91 uint64_t
intel_debug_flag_for_shader_stage(gl_shader_stage stage)92 intel_debug_flag_for_shader_stage(gl_shader_stage stage)
93 {
94 uint64_t flags[] = {
95 [MESA_SHADER_VERTEX] = DEBUG_VS,
96 [MESA_SHADER_TESS_CTRL] = DEBUG_TCS,
97 [MESA_SHADER_TESS_EVAL] = DEBUG_TES,
98 [MESA_SHADER_GEOMETRY] = DEBUG_GS,
99 [MESA_SHADER_FRAGMENT] = DEBUG_WM,
100 [MESA_SHADER_COMPUTE] = DEBUG_CS,
101 };
102 STATIC_ASSERT(MESA_SHADER_STAGES == 6);
103 return flags[stage];
104 }
105
106 static void
brw_process_intel_debug_variable_once(void)107 brw_process_intel_debug_variable_once(void)
108 {
109 INTEL_DEBUG = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
110 }
111
112 void
brw_process_intel_debug_variable(void)113 brw_process_intel_debug_variable(void)
114 {
115 static once_flag process_intel_debug_variable_flag = ONCE_FLAG_INIT;
116
117 call_once(&process_intel_debug_variable_flag,
118 brw_process_intel_debug_variable_once);
119 }
120