src/compiler/shader_info.c

   1 /*
   2  * Copyright © 2016 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 (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  */
  24
  25 #include "mesa/main/mtypes.h"
  26
  27 void
  28 copy_shader_info(const struct gl_shader_program *shader_prog,
  29                  struct gl_linked_shader *sh)
  30 {
  31    shader_info *info = &sh->Program->info;
  32
  33    info->inputs_read = sh->Program->InputsRead;
  34    info->double_inputs_read = sh->Program->DoubleInputsRead;
  35    info->outputs_written = sh->Program->OutputsWritten;
  36    info->outputs_read = sh->Program->OutputsRead;
  37    info->patch_inputs_read = sh->Program->PatchInputsRead;
  38    info->patch_outputs_written = sh->Program->PatchOutputsWritten;
  39    info->system_values_read = sh->Program->SystemValuesRead;
  40    info->uses_texture_gather = sh->Program->UsesGather;
  41
  42    switch (sh->Stage) {
  43    case MESA_SHADER_TESS_EVAL: {
  44       struct gl_tess_eval_program *tep =
  45          (struct gl_tess_eval_program *)sh->Program;
  46
  47       info->tes.primitive_mode = tep->PrimitiveMode;
  48       info->tes.spacing = tep->Spacing;
  49       info->tes.vertex_order = tep->VertexOrder;
  50       info->tes.point_mode = tep->PointMode;
  51       break;
  52    }
  53
  54    case MESA_SHADER_GEOMETRY:
  55       info->gs.vertices_in = shader_prog->Geom.VerticesIn;
  56       info->gs.output_primitive = sh->info.Geom.OutputType;
  57       info->gs.vertices_out = sh->info.Geom.VerticesOut;
  58       info->gs.invocations = sh->info.Geom.Invocations;
  59       info->gs.uses_end_primitive = shader_prog->Geom.UsesEndPrimitive;
  60       info->gs.uses_streams = shader_prog->Geom.UsesStreams;
  61       break;
  62
  63    case MESA_SHADER_FRAGMENT: {
  64       struct gl_fragment_program *fp =
  65          (struct gl_fragment_program *)sh->Program;
  66
  67       info->fs.uses_discard = fp->UsesKill;
  68       info->fs.uses_sample_qualifier = fp->IsSample != 0;
  69       info->fs.early_fragment_tests = sh->info.EarlyFragmentTests;
  70       info->fs.depth_layout = fp->FragDepthLayout;
  71       break;
  72    }
  73
  74    case MESA_SHADER_COMPUTE: {
  75       struct gl_compute_program *cp = (struct gl_compute_program *)sh->Program;
  76       info->cs.local_size[0] = cp->LocalSize[0];
  77       info->cs.local_size[1] = cp->LocalSize[1];
  78       info->cs.local_size[2] = cp->LocalSize[2];
  79       break;
  80    }
  81
  82    default:
  83       break; /* No stage-specific info */
  84    }
  85 }