2 * Copyright 2003 VMware, Inc.
3 * Copyright © 2006 Intel Corporation
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:
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
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
28 * Support for the INTEL_DEBUG environment variable, along with other
29 * miscellaneous debugging code.
36 #include "dev/gen_debug.h"
38 #include "util/macros.h"
39 #include "util/debug.h"
40 #include "c11/threads.h"
42 uint64_t INTEL_DEBUG
= 0;
44 static const struct debug_control debug_control
[] = {
45 { "tex", DEBUG_TEXTURE
},
46 { "state", DEBUG_STATE
},
47 { "blit", DEBUG_BLIT
},
48 { "mip", DEBUG_MIPTREE
},
49 { "fall", DEBUG_PERF
},
50 { "perf", DEBUG_PERF
},
51 { "perfmon", DEBUG_PERFMON
},
52 { "bat", DEBUG_BATCH
},
53 { "pix", DEBUG_PIXEL
},
54 { "buf", DEBUG_BUFMGR
},
58 { "sync", DEBUG_SYNC
},
59 { "prim", DEBUG_PRIMS
},
60 { "vert", DEBUG_VERTS
},
63 { "submit", DEBUG_SUBMIT
},
67 { "clip", DEBUG_CLIP
},
68 { "shader_time", DEBUG_SHADER_TIME
},
69 { "no16", DEBUG_NO16
},
70 { "blorp", DEBUG_BLORP
},
71 { "nodualobj", DEBUG_NO_DUAL_OBJECT_GS
},
72 { "optimizer", DEBUG_OPTIMIZER
},
73 { "ann", DEBUG_ANNOTATION
},
75 { "no-oaconfig", DEBUG_NO_OACONFIG
},
76 { "spill_fs", DEBUG_SPILL_FS
},
77 { "spill_vec4", DEBUG_SPILL_VEC4
},
80 { "nocompact", DEBUG_NO_COMPACTION
},
86 { "do32", DEBUG_DO32
},
87 { "norbc", DEBUG_NO_RBC
},
88 { "nohiz", DEBUG_NO_HIZ
},
89 { "color", DEBUG_COLOR
},
90 { "reemit", DEBUG_REEMIT
},
91 { "soft64", DEBUG_SOFT64
},
92 { "tcs8", DEBUG_TCS_EIGHT_PATCH
},
94 { "pc", DEBUG_PIPE_CONTROL
},
95 { "nofc", DEBUG_NO_FAST_CLEAR
},
96 { "no32", DEBUG_NO32
},
101 intel_debug_flag_for_shader_stage(gl_shader_stage stage
)
104 [MESA_SHADER_VERTEX
] = DEBUG_VS
,
105 [MESA_SHADER_TESS_CTRL
] = DEBUG_TCS
,
106 [MESA_SHADER_TESS_EVAL
] = DEBUG_TES
,
107 [MESA_SHADER_GEOMETRY
] = DEBUG_GS
,
108 [MESA_SHADER_FRAGMENT
] = DEBUG_WM
,
109 [MESA_SHADER_COMPUTE
] = DEBUG_CS
,
111 STATIC_ASSERT(MESA_SHADER_STAGES
== 6);
116 brw_process_intel_debug_variable_once(void)
118 INTEL_DEBUG
= parse_debug_string(getenv("INTEL_DEBUG"), debug_control
);
122 brw_process_intel_debug_variable(void)
124 static once_flag process_intel_debug_variable_flag
= ONCE_FLAG_INIT
;
126 call_once(&process_intel_debug_variable_flag
,
127 brw_process_intel_debug_variable_once
);
130 static uint64_t debug_identifier
[4] = {
138 intel_debug_identifier(void)
140 return debug_identifier
;
144 intel_debug_identifier_size(void)
146 return sizeof(debug_identifier
);
150 intel_debug_write_identifiers(void *_output
,
151 uint32_t output_size
,
152 const char *driver_name
)
154 void *output
= _output
, *output_end
= _output
+ output_size
;
156 assert(output_size
> intel_debug_identifier_size());
158 memcpy(output
, intel_debug_identifier(), intel_debug_identifier_size());
159 output
+= intel_debug_identifier_size();
161 for (uint32_t id
= GEN_DEBUG_BLOCK_TYPE_DRIVER
; id
< GEN_DEBUG_BLOCK_TYPE_MAX
; id
++) {
163 case GEN_DEBUG_BLOCK_TYPE_DRIVER
: {
164 struct gen_debug_block_driver driver_desc
= {
169 int len
= snprintf(output
+ sizeof(driver_desc
),
170 output_end
- (output
+ sizeof(driver_desc
)),
171 "%s " PACKAGE_VERSION
" build " MESA_GIT_SHA1
,
173 driver_desc
.base
.length
= sizeof(driver_desc
) + len
+ 1;
174 memcpy(output
, &driver_desc
, sizeof(driver_desc
));
175 output
+= driver_desc
.base
.length
;
180 unreachable("Missing identifier write");
183 assert(output
< output_end
);
186 struct gen_debug_block_base end
= {
187 .type
= GEN_DEBUG_BLOCK_TYPE_END
,
188 .length
= sizeof(end
),
190 memcpy(output
, &end
, sizeof(end
));
191 output
+= sizeof(end
);
193 assert(output
< output_end
);
195 /* Return the how many bytes where written, so that the rest of the buffer
196 * can be used for other things.
198 return output
- _output
;
202 intel_debug_get_identifier_block(void *_buffer
,
203 uint32_t buffer_size
,
204 enum gen_debug_block_type type
)
206 void *buffer
= _buffer
+ intel_debug_identifier_size(),
207 *end_buffer
= _buffer
+ buffer_size
;
209 while (buffer
< end_buffer
) {
210 struct gen_debug_block_base
*item
= buffer
;
212 if (item
->type
== type
)
214 if (item
->type
== GEN_DEBUG_BLOCK_TYPE_END
)
217 buffer
+= item
->length
;