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 "util/macros.h"
38 #include "util/u_debug.h"
39 #include "util/u_math.h"
40 #include "c11/threads.h"
41
42 uint64_t intel_debug = 0;
43
44 #define DEBUG_NO16 (1ull << 16)
45 #define DEBUG_NO8 (1ull << 20)
46 #define DEBUG_NO32 (1ull << 39)
47
48 static const struct debug_control debug_control[] = {
49 { "tex", DEBUG_TEXTURE},
50 { "blit", DEBUG_BLIT},
51 { "fall", DEBUG_PERF},
52 { "perf", DEBUG_PERF},
53 { "perfmon", DEBUG_PERFMON},
54 { "bat", DEBUG_BATCH},
55 { "buf", DEBUG_BUFMGR},
56 { "fs", DEBUG_WM },
57 { "gs", DEBUG_GS},
58 { "sync", DEBUG_SYNC},
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 { "no16", DEBUG_NO16 },
66 { "blorp", DEBUG_BLORP },
67 { "nodualobj", DEBUG_NO_DUAL_OBJECT_GS },
68 { "optimizer", DEBUG_OPTIMIZER },
69 { "ann", DEBUG_ANNOTATION },
70 { "no8", DEBUG_NO8 },
71 { "no-oaconfig", DEBUG_NO_OACONFIG },
72 { "spill_fs", DEBUG_SPILL_FS },
73 { "spill_vec4", DEBUG_SPILL_VEC4 },
74 { "cs", DEBUG_CS },
75 { "hex", DEBUG_HEX },
76 { "nocompact", DEBUG_NO_COMPACTION },
77 { "hs", DEBUG_TCS },
78 { "tcs", DEBUG_TCS },
79 { "ds", DEBUG_TES },
80 { "tes", DEBUG_TES },
81 { "l3", DEBUG_L3 },
82 { "do32", DEBUG_DO32 },
83 { "norbc", DEBUG_NO_CCS },
84 { "noccs", DEBUG_NO_CCS },
85 { "nohiz", DEBUG_NO_HIZ },
86 { "color", DEBUG_COLOR },
87 { "reemit", DEBUG_REEMIT },
88 { "soft64", DEBUG_SOFT64 },
89 { "bt", DEBUG_BT },
90 { "pc", DEBUG_PIPE_CONTROL },
91 { "nofc", DEBUG_NO_FAST_CLEAR },
92 { "no32", DEBUG_NO32 },
93 { "shaders", DEBUG_WM | DEBUG_VS | DEBUG_TCS |
94 DEBUG_TES | DEBUG_GS | DEBUG_CS |
95 DEBUG_RT | DEBUG_TASK | DEBUG_MESH },
96 { "rt", DEBUG_RT },
97 { "bvh_blas", DEBUG_BVH_BLAS},
98 { "bvh_tlas", DEBUG_BVH_TLAS},
99 { "bvh_blas_ir_hdr", DEBUG_BVH_BLAS_IR_HDR},
100 { "bvh_tlas_ir_hdr", DEBUG_BVH_TLAS_IR_HDR},
101 { "bvh_blas_ir_as", DEBUG_BVH_BLAS_IR_AS},
102 { "bvh_tlas_ir_as", DEBUG_BVH_TLAS_IR_AS},
103 { "bvh_no_build", DEBUG_BVH_NO_BUILD},
104 { "task", DEBUG_TASK },
105 { "mesh", DEBUG_MESH },
106 { "stall", DEBUG_STALL },
107 { "capture-all", DEBUG_CAPTURE_ALL },
108 { "perf-symbol-names", DEBUG_PERF_SYMBOL_NAMES },
109 { "swsb-stall", DEBUG_SWSB_STALL },
110 { "heaps", DEBUG_HEAPS },
111 { "isl", DEBUG_ISL },
112 { "sparse", DEBUG_SPARSE },
113 { "draw_bkp", DEBUG_DRAW_BKP },
114 { "bat-stats", DEBUG_BATCH_STATS },
115 { "reg-pressure", DEBUG_REG_PRESSURE },
116 { "shader-print", DEBUG_SHADER_PRINT },
117 { "cl-quiet", DEBUG_CL_QUIET },
118 { "no-send-gather", DEBUG_NO_SEND_GATHER },
119 { NULL, 0 }
120 };
121
122 uint64_t intel_simd = 0;
123
124 static const struct debug_control simd_control[] = {
125 { "fs8", DEBUG_FS_SIMD8 },
126 { "fs16", DEBUG_FS_SIMD16 },
127 { "fs32", DEBUG_FS_SIMD32 },
128 { "fs2x8", DEBUG_FS_SIMD2X8 },
129 { "fs4x8", DEBUG_FS_SIMD4X8 },
130 { "fs2x16", DEBUG_FS_SIMD2X16 },
131 { "cs8", DEBUG_CS_SIMD8 },
132 { "cs16", DEBUG_CS_SIMD16 },
133 { "cs32", DEBUG_CS_SIMD32 },
134 { "ts8", DEBUG_TS_SIMD8 },
135 { "ts16", DEBUG_TS_SIMD16 },
136 { "ts32", DEBUG_TS_SIMD32 },
137 { "ms8", DEBUG_MS_SIMD8 },
138 { "ms16", DEBUG_MS_SIMD16 },
139 { "ms32", DEBUG_MS_SIMD32 },
140 { "rt8", DEBUG_RT_SIMD8 },
141 { "rt16", DEBUG_RT_SIMD16 },
142 { "rt32", DEBUG_RT_SIMD32 },
143 { NULL, 0 }
144 };
145
146 uint64_t
intel_debug_flag_for_shader_stage(gl_shader_stage stage)147 intel_debug_flag_for_shader_stage(gl_shader_stage stage)
148 {
149 uint64_t flags[] = {
150 [MESA_SHADER_VERTEX] = DEBUG_VS,
151 [MESA_SHADER_TESS_CTRL] = DEBUG_TCS,
152 [MESA_SHADER_TESS_EVAL] = DEBUG_TES,
153 [MESA_SHADER_GEOMETRY] = DEBUG_GS,
154 [MESA_SHADER_FRAGMENT] = DEBUG_WM,
155 [MESA_SHADER_COMPUTE] = DEBUG_CS,
156 [MESA_SHADER_KERNEL] = DEBUG_CS,
157
158 [MESA_SHADER_TASK] = DEBUG_TASK,
159 [MESA_SHADER_MESH] = DEBUG_MESH,
160
161 [MESA_SHADER_RAYGEN] = DEBUG_RT,
162 [MESA_SHADER_ANY_HIT] = DEBUG_RT,
163 [MESA_SHADER_CLOSEST_HIT] = DEBUG_RT,
164 [MESA_SHADER_MISS] = DEBUG_RT,
165 [MESA_SHADER_INTERSECTION] = DEBUG_RT,
166 [MESA_SHADER_CALLABLE] = DEBUG_RT,
167 };
168 return flags[stage];
169 }
170
171 #define DEBUG_FS_SIMD (DEBUG_FS_SIMD8 | DEBUG_FS_SIMD16 | \
172 DEBUG_FS_SIMD32)
173 #define DEBUG_CS_SIMD (DEBUG_CS_SIMD8 | DEBUG_CS_SIMD16 | DEBUG_CS_SIMD32)
174 #define DEBUG_TS_SIMD (DEBUG_TS_SIMD8 | DEBUG_TS_SIMD16 | DEBUG_TS_SIMD32)
175 #define DEBUG_MS_SIMD (DEBUG_MS_SIMD8 | DEBUG_MS_SIMD16 | DEBUG_MS_SIMD32)
176 #define DEBUG_RT_SIMD (DEBUG_RT_SIMD8 | DEBUG_RT_SIMD16 | DEBUG_RT_SIMD32)
177
178 #define DEBUG_SIMD8_ALL \
179 (DEBUG_FS_SIMD8 | \
180 DEBUG_CS_SIMD8 | \
181 DEBUG_TS_SIMD8 | \
182 DEBUG_MS_SIMD8 | \
183 DEBUG_RT_SIMD8)
184
185 #define DEBUG_SIMD16_ALL \
186 (DEBUG_FS_SIMD16 | \
187 DEBUG_CS_SIMD16 | \
188 DEBUG_TS_SIMD16 | \
189 DEBUG_MS_SIMD16 | \
190 DEBUG_RT_SIMD16)
191
192 #define DEBUG_SIMD32_ALL \
193 (DEBUG_FS_SIMD32 | \
194 DEBUG_CS_SIMD32 | \
195 DEBUG_TS_SIMD32 | \
196 DEBUG_MS_SIMD32 | \
197 DEBUG_RT_SIMD32)
198
199 uint64_t intel_debug_batch_frame_start = 0;
200 uint64_t intel_debug_batch_frame_stop = -1;
201
202 uint32_t intel_debug_bkp_before_draw_count = 0;
203 uint32_t intel_debug_bkp_after_draw_count = 0;
204
205 static void
process_intel_debug_variable_once(void)206 process_intel_debug_variable_once(void)
207 {
208 intel_debug = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
209 intel_simd = parse_debug_string(getenv("INTEL_SIMD_DEBUG"), simd_control);
210 intel_debug_batch_frame_start =
211 debug_get_num_option("INTEL_DEBUG_BATCH_FRAME_START", 0);
212 intel_debug_batch_frame_stop =
213 debug_get_num_option("INTEL_DEBUG_BATCH_FRAME_STOP", -1);
214
215 intel_debug_bkp_before_draw_count =
216 debug_get_num_option("INTEL_DEBUG_BKP_BEFORE_DRAW_COUNT", 0);
217 intel_debug_bkp_after_draw_count =
218 debug_get_num_option("INTEL_DEBUG_BKP_AFTER_DRAW_COUNT", 0);
219
220 if (!(intel_simd & DEBUG_FS_SIMD))
221 intel_simd |= DEBUG_FS_SIMD;
222 if (!(intel_simd & DEBUG_CS_SIMD))
223 intel_simd |= DEBUG_CS_SIMD;
224 if (!(intel_simd & DEBUG_TS_SIMD))
225 intel_simd |= DEBUG_TS_SIMD;
226 if (!(intel_simd & DEBUG_MS_SIMD))
227 intel_simd |= DEBUG_MS_SIMD;
228 if (!(intel_simd & DEBUG_RT_SIMD))
229 intel_simd |= DEBUG_RT_SIMD;
230
231 if (intel_debug & DEBUG_NO8)
232 intel_simd &= ~DEBUG_SIMD8_ALL;
233 if (intel_debug & DEBUG_NO16)
234 intel_simd &= ~DEBUG_SIMD16_ALL;
235 if (intel_debug & DEBUG_NO32)
236 intel_simd &= ~DEBUG_SIMD32_ALL;
237 intel_debug &= ~(DEBUG_NO8 | DEBUG_NO16 | DEBUG_NO32);
238 }
239
240 void
process_intel_debug_variable(void)241 process_intel_debug_variable(void)
242 {
243 static once_flag process_intel_debug_variable_flag = ONCE_FLAG_INIT;
244
245 call_once(&process_intel_debug_variable_flag,
246 process_intel_debug_variable_once);
247 }
248