1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
/*
* 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 },
{ "vec4", DEBUG_VEC4VS },
{ "spill_fs", DEBUG_SPILL_FS },
{ "spill_vec4", DEBUG_SPILL_VEC4 },
{ "cs", DEBUG_CS },
{ NULL, 0 }
};
uint64_t
intel_debug_flag_for_shader_stage(gl_shader_stage stage)
{
uint64_t flags[] = {
[MESA_SHADER_VERTEX] = DEBUG_VS,
[MESA_SHADER_TESS_CTRL] = 0,
[MESA_SHADER_TESS_EVAL] = 0,
[MESA_SHADER_GEOMETRY] = DEBUG_GS,
[MESA_SHADER_FRAGMENT] = DEBUG_WM,
[MESA_SHADER_COMPUTE] = DEBUG_CS,
};
STATIC_ASSERT(MESA_SHADER_STAGES == 6);
return flags[stage];
}
void
brw_process_intel_debug_variable(struct intel_screen *screen)
{
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(screen->bufmgr, true);
if ((INTEL_DEBUG & DEBUG_SHADER_TIME) && screen->devinfo->gen < 7) {
fprintf(stderr,
"shader_time debugging requires gen7 (Ivybridge) or better.\n");
INTEL_DEBUG &= ~DEBUG_SHADER_TIME;
}
if (INTEL_DEBUG & DEBUG_AUB)
drm_intel_bufmgr_gem_set_aub_dump(screen->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;
}
}
|
