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 void
  90 debug_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
 110 static void
 111 debug_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
 128 static void
 129 debug_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
 143 static void
 144 debug_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
 155 static void
 156 debug_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
 189 static void
 190 debug_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
 201 void
 202 brw_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 }