src/intel/compiler/brw_debug_recompile.c

   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
  31 static bool
  32 key_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
  42 static bool
  43 key_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
  58 static bool
  59 debug_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
  89 static bool
  90 debug_base_recompile(const struct brw_compiler *c, void *log,
  91                      const struct brw_base_prog_key *old_key,
  92                      const struct brw_base_prog_key *key)
  93 {
  94    return debug_sampler_recompile(c, log, &old_key->tex, &key->tex);
  95 }
  96
  97 static void
  98 debug_vs_recompile(const struct brw_compiler *c, void *log,
  99                    const struct brw_vs_prog_key *old_key,
 100                    const struct brw_vs_prog_key *key)
 101 {
 102    bool found = debug_base_recompile(c, log, &old_key->base, &key->base);
 103
 104    for (unsigned i = 0; i < VERT_ATTRIB_MAX; i++) {
 105       found |= check("vertex attrib w/a flags", gl_attrib_wa_flags[i]);
 106    }
 107
 108    found |= check("legacy user clipping", nr_userclip_plane_consts);
 109    found |= check("copy edgeflag", copy_edgeflag);
 110    found |= check("pointcoord replace", point_coord_replace);
 111    found |= check("vertex color clamping", clamp_vertex_color);
 112
 113    if (!found) {
 114       c->shader_perf_log(log, "  something else\n");
 115    }
 116 }
 117
 118 static void
 119 debug_tcs_recompile(const struct brw_compiler *c, void *log,
 120                     const struct brw_tcs_prog_key *old_key,
 121                     const struct brw_tcs_prog_key *key)
 122 {
 123    bool found = debug_base_recompile(c, log, &old_key->base, &key->base);
 124
 125    found |= check("input vertices", input_vertices);
 126    found |= check("outputs written", outputs_written);
 127    found |= check("patch outputs written", patch_outputs_written);
 128    found |= check("tes primitive mode", tes_primitive_mode);
 129    found |= check("quads and equal_spacing workaround", quads_workaround);
 130
 131    if (!found) {
 132       c->shader_perf_log(log, "  something else\n");
 133    }
 134 }
 135
 136 static void
 137 debug_tes_recompile(const struct brw_compiler *c, void *log,
 138                     const struct brw_tes_prog_key *old_key,
 139                     const struct brw_tes_prog_key *key)
 140 {
 141    bool found = debug_base_recompile(c, log, &old_key->base, &key->base);
 142
 143    found |= check("inputs read", inputs_read);
 144    found |= check("patch inputs read", patch_inputs_read);
 145
 146    if (!found) {
 147       c->shader_perf_log(log, "  something else\n");
 148    }
 149 }
 150
 151 static void
 152 debug_gs_recompile(const struct brw_compiler *c, void *log,
 153                    const struct brw_gs_prog_key *old_key,
 154                    const struct brw_gs_prog_key *key)
 155 {
 156    bool found = debug_base_recompile(c, log, &old_key->base, &key->base);
 157
 158    if (!found) {
 159       c->shader_perf_log(log, "  something else\n");
 160    }
 161 }
 162
 163 static void
 164 debug_fs_recompile(const struct brw_compiler *c, void *log,
 165                    const struct brw_wm_prog_key *old_key,
 166                    const struct brw_wm_prog_key *key)
 167 {
 168    bool found = false;
 169
 170    found |= check("alphatest, computed depth, depth test, or depth write",
 171                   iz_lookup);
 172    found |= check("depth statistics", stats_wm);
 173    found |= check("flat shading", flat_shade);
 174    found |= check("number of color buffers", nr_color_regions);
 175    found |= check("MRT alpha test", alpha_test_replicate_alpha);
 176    found |= check("alpha to coverage", alpha_to_coverage);
 177    found |= check("fragment color clamping", clamp_fragment_color);
 178    found |= check("per-sample interpolation", persample_interp);
 179    found |= check("multisampled FBO", multisample_fbo);
 180    found |= check("frag coord adds sample pos", frag_coord_adds_sample_pos);
 181    found |= check("line smoothing", line_aa);
 182    found |= check("high quality derivatives", high_quality_derivatives);
 183    found |= check("force dual color blending", force_dual_color_blend);
 184    found |= check("coherent fb fetch", coherent_fb_fetch);
 185
 186    found |= check("input slots valid", input_slots_valid);
 187    found |= check("mrt alpha test function", alpha_test_func);
 188    found |= check("mrt alpha test reference value", alpha_test_ref);
 189
 190    found |= debug_base_recompile(c, log, &old_key->base, &key->base);
 191
 192    if (!found) {
 193       c->shader_perf_log(log, "  something else\n");
 194    }
 195 }
 196
 197 static void
 198 debug_cs_recompile(const struct brw_compiler *c, void *log,
 199                    const struct brw_cs_prog_key *old_key,
 200                    const struct brw_cs_prog_key *key)
 201 {
 202    bool found = debug_base_recompile(c, log, &old_key->base, &key->base);
 203
 204    if (!found) {
 205       c->shader_perf_log(log, "  something else\n");
 206    }
 207 }
 208
 209 void
 210 brw_debug_key_recompile(const struct brw_compiler *c, void *log,
 211                         gl_shader_stage stage,
 212                         const struct brw_base_prog_key *old_key,
 213                         const struct brw_base_prog_key *key)
 214 {
 215    if (!old_key) {
 216       c->shader_perf_log(log, "  No previous compile found...\n");
 217       return;
 218    }
 219
 220    switch (stage) {
 221    case MESA_SHADER_VERTEX:
 222       debug_vs_recompile(c, log, (const struct brw_vs_prog_key *)old_key,
 223                                  (const struct brw_vs_prog_key *)key);
 224       break;
 225    case MESA_SHADER_TESS_CTRL:
 226       debug_tcs_recompile(c, log, (const struct brw_tcs_prog_key *)old_key,
 227                                   (const struct brw_tcs_prog_key *)key);
 228       break;
 229    case MESA_SHADER_TESS_EVAL:
 230       debug_tes_recompile(c, log, (const struct brw_tes_prog_key *)old_key,
 231                                   (const struct brw_tes_prog_key *)key);
 232       break;
 233    case MESA_SHADER_GEOMETRY:
 234       debug_gs_recompile(c, log, (const struct brw_gs_prog_key *)old_key,
 235                                  (const struct brw_gs_prog_key *)key);
 236       break;
 237    case MESA_SHADER_FRAGMENT:
 238       debug_fs_recompile(c, log, (const struct brw_wm_prog_key *)old_key,
 239                                  (const struct brw_wm_prog_key *)key);
 240       break;
 241    case MESA_SHADER_COMPUTE:
 242       debug_cs_recompile(c, log, (const struct brw_cs_prog_key *)old_key,
 243                                  (const struct brw_cs_prog_key *)key);
 244       break;
 245    default:
 246       break;
 247    }
 248 }