1/*
2 * Copyright © 2019 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22
23/**
24 * @file brw_debug_recompiles.c
25 */
26
27#include <stdio.h>
28
29#include "brw_compiler.h"
30
31static bool
32key_debug(const struct brw_compiler *c, void *log,
33          const char *name, int a, int b)
34{
35   if (a != b) {
36      c->shader_perf_log(log, "  %s %d->%d\n", name, a, b);
37      return true;
38   }
39   return false;
40}
41
42static bool
43key_debug_float(const struct brw_compiler *c, void *log,
44                const char *name, float a, float b)
45{
46   if (a != b) {
47      c->shader_perf_log(log, "  %s %f->%f\n", name, a, b);
48      return true;
49   }
50   return false;
51}
52
53#define check(name, field) \
54   key_debug(c, log, name, old_key->field, key->field)
55#define check_float(name, field) \
56   key_debug_float(c, log, name, old_key->field, key->field)
57
58static bool
59debug_sampler_recompile(const struct brw_compiler *c, void *log,
60                        const struct brw_sampler_prog_key_data *old_key,
61                        const struct brw_sampler_prog_key_data *key)
62{
63   bool found = false;
64
65   found |= check("gather channel quirk", gather_channel_quirk_mask);
66   found |= check("compressed multisample layout",
67                  compressed_multisample_layout_mask);
68   found |= check("16x msaa", msaa_16);
69   found |= check("y_uv image bound", y_uv_image_mask);
70   found |= check("y_u_v image bound", y_u_v_image_mask);
71   found |= check("yx_xuxv image bound", yx_xuxv_image_mask);
72   found |= check("xy_uxvx image bound", xy_uxvx_image_mask);
73   found |= check("ayuv image bound", ayuv_image_mask);
74   found |= check("xyuv image bound", xyuv_image_mask);
75
76   for (unsigned i = 0; i < MAX_SAMPLERS; i++) {
77      found |= check("EXT_texture_swizzle or DEPTH_TEXTURE_MODE", swizzles[i]);
78      found |= check("textureGather workarounds", gen6_gather_wa[i]);
79      found |= check_float("scale factor", scale_factors[i]);
80   }
81
82   for (unsigned i = 0; i < 3; i++) {
83      found |= check("GL_CLAMP enabled on any texture unit", gl_clamp_mask[i]);
84   }
85
86   return found;
87}
88
89static void
90debug_vs_recompile(const struct brw_compiler *c, void *log,
91                   const struct brw_vs_prog_key *old_key,
92                   const struct brw_vs_prog_key *key)
93{
94   bool found = debug_sampler_recompile(c, log, &old_key->tex, &key->tex);
95
96   for (unsigned i = 0; i < VERT_ATTRIB_MAX; i++) {
97      found |= check("vertex attrib w/a flags", gl_attrib_wa_flags[i]);
98   }
99
100   found |= check("legacy user clipping", nr_userclip_plane_consts);
101   found |= check("copy edgeflag", copy_edgeflag);
102   found |= check("pointcoord replace", point_coord_replace);
103   found |= check("vertex color clamping", clamp_vertex_color);
104
105   if (!found) {
106      c->shader_perf_log(log, "  something else\n");
107   }
108}
109
110static void
111debug_tcs_recompile(const struct brw_compiler *c, void *log,
112                    const struct brw_tcs_prog_key *old_key,
113                    const struct brw_tcs_prog_key *key)
114{
115   bool found = debug_sampler_recompile(c, log, &old_key->tex, &key->tex);
116
117   found |= check("input vertices", input_vertices);
118   found |= check("outputs written", outputs_written);
119   found |= check("patch outputs written", patch_outputs_written);
120   found |= check("tes primitive mode", tes_primitive_mode);
121   found |= check("quads and equal_spacing workaround", quads_workaround);
122
123   if (!found) {
124      c->shader_perf_log(log, "  something else\n");
125   }
126}
127
128static void
129debug_tes_recompile(const struct brw_compiler *c, void *log,
130                    const struct brw_tes_prog_key *old_key,
131                    const struct brw_tes_prog_key *key)
132{
133   bool found = debug_sampler_recompile(c, log, &old_key->tex, &key->tex);
134
135   found |= check("inputs read", inputs_read);
136   found |= check("patch inputs read", patch_inputs_read);
137
138   if (!found) {
139      c->shader_perf_log(log, "  something else\n");
140   }
141}
142
143static void
144debug_gs_recompile(const struct brw_compiler *c, void *log,
145                   const struct brw_gs_prog_key *old_key,
146                   const struct brw_gs_prog_key *key)
147{
148   bool found = debug_sampler_recompile(c, log, &old_key->tex, &key->tex);
149
150   if (!found) {
151      c->shader_perf_log(log, "  something else\n");
152   }
153}
154
155static void
156debug_fs_recompile(const struct brw_compiler *c, void *log,
157                   const struct brw_wm_prog_key *old_key,
158                   const struct brw_wm_prog_key *key)
159{
160   bool found = false;
161
162   found |= check("alphatest, computed depth, depth test, or depth write",
163                  iz_lookup);
164   found |= check("depth statistics", stats_wm);
165   found |= check("flat shading", flat_shade);
166   found |= check("number of color buffers", nr_color_regions);
167   found |= check("MRT alpha test", alpha_test_replicate_alpha);
168   found |= check("alpha to coverage", alpha_to_coverage);
169   found |= check("fragment color clamping", clamp_fragment_color);
170   found |= check("per-sample interpolation", persample_interp);
171   found |= check("multisampled FBO", multisample_fbo);
172   found |= check("frag coord adds sample pos", frag_coord_adds_sample_pos);
173   found |= check("line smoothing", line_aa);
174   found |= check("high quality derivatives", high_quality_derivatives);
175   found |= check("force dual color blending", force_dual_color_blend);
176   found |= check("coherent fb fetch", coherent_fb_fetch);
177
178   found |= check("input slots valid", input_slots_valid);
179   found |= check("mrt alpha test function", alpha_test_func);
180   found |= check("mrt alpha test reference value", alpha_test_ref);
181
182   found |= debug_sampler_recompile(c, log, &old_key->tex, &key->tex);
183
184   if (!found) {
185      c->shader_perf_log(log, "  something else\n");
186   }
187}
188
189static void
190debug_cs_recompile(const struct brw_compiler *c, void *log,
191                   const struct brw_cs_prog_key *old_key,
192                   const struct brw_cs_prog_key *key)
193{
194   bool found = debug_sampler_recompile(c, log, &old_key->tex, &key->tex);
195
196   if (!found) {
197      c->shader_perf_log(log, "  something else\n");
198   }
199}
200
201void
202brw_debug_key_recompile(const struct brw_compiler *c, void *log,
203                        gl_shader_stage stage,
204                        const void *old_key, const void *key)
205{
206   if (!old_key) {
207      c->shader_perf_log(log, "  No previous compile found...\n");
208      return;
209   }
210
211   switch (stage) {
212   case MESA_SHADER_VERTEX:
213      debug_vs_recompile(c, log, old_key, key);
214      break;
215   case MESA_SHADER_TESS_CTRL:
216      debug_tcs_recompile(c, log, old_key, key);
217      break;
218   case MESA_SHADER_TESS_EVAL:
219      debug_tes_recompile(c, log, old_key, key);
220      break;
221   case MESA_SHADER_GEOMETRY:
222      debug_gs_recompile(c, log, old_key, key);
223      break;
224   case MESA_SHADER_FRAGMENT:
225      debug_fs_recompile(c, log, old_key, key);
226      break;
227   case MESA_SHADER_COMPUTE:
228      debug_cs_recompile(c, log, old_key, key);
229      break;
230   default:
231      break;
232   }
233}
234