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 intel_debug.c
27 *
28 * Support for the INTEL_DEBUG environment variable, along with other
29 * miscellaneous debugging code.
30 */
31
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35
36 #include "dev/intel_debug.h"
37 #include "git_sha1.h"
38 #include "util/macros.h"
39 #include "util/debug.h"
40 #include "c11/threads.h"
41
42 uint64_t intel_debug = 0;
43
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},
55 { "fbo", DEBUG_FBO},
56 { "fs", DEBUG_WM },
57 { "gs", DEBUG_GS},
58 { "sync", DEBUG_SYNC},
59 { "prim", DEBUG_PRIMS },
60 { "vert", DEBUG_VERTS },
61 { "dri", DEBUG_DRI },
62 { "sf", DEBUG_SF },
63 { "submit", DEBUG_SUBMIT },
64 { "wm", DEBUG_WM },
65 { "urb", DEBUG_URB },
66 { "vs", DEBUG_VS },
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 },
74 { "no8", DEBUG_NO8 },
75 { "no-oaconfig", DEBUG_NO_OACONFIG },
76 { "spill_fs", DEBUG_SPILL_FS },
77 { "spill_vec4", DEBUG_SPILL_VEC4 },
78 { "cs", DEBUG_CS },
79 { "hex", DEBUG_HEX },
80 { "nocompact", DEBUG_NO_COMPACTION },
81 { "hs", DEBUG_TCS },
82 { "tcs", DEBUG_TCS },
83 { "ds", DEBUG_TES },
84 { "tes", DEBUG_TES },
85 { "l3", DEBUG_L3 },
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 },
93 { "bt", DEBUG_BT },
94 { "pc", DEBUG_PIPE_CONTROL },
95 { "nofc", DEBUG_NO_FAST_CLEAR },
96 { "no32", DEBUG_NO32 },
97 { "shaders", DEBUG_WM | DEBUG_VS | DEBUG_TCS |
98 DEBUG_TES | DEBUG_GS | DEBUG_CS |
99 DEBUG_RT },
100 { "rt", DEBUG_RT },
101 { NULL, 0 }
102 };
103
104 uint64_t
intel_debug_flag_for_shader_stage(gl_shader_stage stage)105 intel_debug_flag_for_shader_stage(gl_shader_stage stage)
106 {
107 uint64_t flags[] = {
108 [MESA_SHADER_VERTEX] = DEBUG_VS,
109 [MESA_SHADER_TESS_CTRL] = DEBUG_TCS,
110 [MESA_SHADER_TESS_EVAL] = DEBUG_TES,
111 [MESA_SHADER_GEOMETRY] = DEBUG_GS,
112 [MESA_SHADER_FRAGMENT] = DEBUG_WM,
113 [MESA_SHADER_COMPUTE] = DEBUG_CS,
114
115 [MESA_SHADER_RAYGEN] = DEBUG_RT,
116 [MESA_SHADER_ANY_HIT] = DEBUG_RT,
117 [MESA_SHADER_CLOSEST_HIT] = DEBUG_RT,
118 [MESA_SHADER_MISS] = DEBUG_RT,
119 [MESA_SHADER_INTERSECTION] = DEBUG_RT,
120 [MESA_SHADER_CALLABLE] = DEBUG_RT,
121 };
122 return flags[stage];
123 }
124
125 static void
brw_process_intel_debug_variable_once(void)126 brw_process_intel_debug_variable_once(void)
127 {
128 intel_debug = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
129 }
130
131 void
brw_process_intel_debug_variable(void)132 brw_process_intel_debug_variable(void)
133 {
134 static once_flag process_intel_debug_variable_flag = ONCE_FLAG_INIT;
135
136 call_once(&process_intel_debug_variable_flag,
137 brw_process_intel_debug_variable_once);
138 }
139
140 static uint64_t debug_identifier[4] = {
141 0xffeeddccbbaa9988,
142 0x7766554433221100,
143 0xffeeddccbbaa9988,
144 0x7766554433221100,
145 };
146
147 void *
intel_debug_identifier(void)148 intel_debug_identifier(void)
149 {
150 return debug_identifier;
151 }
152
153 uint32_t
intel_debug_identifier_size(void)154 intel_debug_identifier_size(void)
155 {
156 return sizeof(debug_identifier);
157 }
158
159 uint32_t
intel_debug_write_identifiers(void * _output,uint32_t output_size,const char * driver_name)160 intel_debug_write_identifiers(void *_output,
161 uint32_t output_size,
162 const char *driver_name)
163 {
164 void *output = _output, *output_end = _output + output_size;
165
166 assert(output_size > intel_debug_identifier_size());
167
168 memcpy(output, intel_debug_identifier(), intel_debug_identifier_size());
169 output += intel_debug_identifier_size();
170
171 for (uint32_t id = INTEL_DEBUG_BLOCK_TYPE_DRIVER; id < INTEL_DEBUG_BLOCK_TYPE_MAX; id++) {
172 switch (id) {
173 case INTEL_DEBUG_BLOCK_TYPE_DRIVER: {
174 struct intel_debug_block_driver driver_desc = {
175 .base = {
176 .type = id,
177 },
178 };
179 int len = snprintf(output + sizeof(driver_desc),
180 output_end - (output + sizeof(driver_desc)),
181 "%s " PACKAGE_VERSION " build " MESA_GIT_SHA1,
182 driver_name);
183 driver_desc.base.length = sizeof(driver_desc) + len + 1;
184 memcpy(output, &driver_desc, sizeof(driver_desc));
185 output += driver_desc.base.length;
186 break;
187 }
188
189 case INTEL_DEBUG_BLOCK_TYPE_FRAME: {
190 struct intel_debug_block_frame frame_desc = {
191 .base = {
192 .type = INTEL_DEBUG_BLOCK_TYPE_FRAME,
193 .length = sizeof(frame_desc),
194 },
195 };
196 memcpy(output, &frame_desc, sizeof(frame_desc));
197 output += sizeof(frame_desc);
198 break;
199 }
200
201 default:
202 unreachable("Missing identifier write");
203 }
204
205 assert(output < output_end);
206 }
207
208 struct intel_debug_block_base end = {
209 .type = INTEL_DEBUG_BLOCK_TYPE_END,
210 .length = sizeof(end),
211 };
212 memcpy(output, &end, sizeof(end));
213 output += sizeof(end);
214
215 assert(output < output_end);
216
217 /* Return the how many bytes where written, so that the rest of the buffer
218 * can be used for other things.
219 */
220 return output - _output;
221 }
222
223 void *
intel_debug_get_identifier_block(void * _buffer,uint32_t buffer_size,enum intel_debug_block_type type)224 intel_debug_get_identifier_block(void *_buffer,
225 uint32_t buffer_size,
226 enum intel_debug_block_type type)
227 {
228 void *buffer = _buffer + intel_debug_identifier_size(),
229 *end_buffer = _buffer + buffer_size;
230
231 while (buffer < end_buffer) {
232 struct intel_debug_block_base *item = buffer;
233
234 if (item->type == type)
235 return item;
236 if (item->type == INTEL_DEBUG_BLOCK_TYPE_END)
237 return NULL;
238
239 buffer += item->length;
240 }
241
242 return NULL;
243 }
244