Ejemplo n.º 1
0
static bool
brw_codegen_gs_prog(struct brw_context *brw,
                    struct brw_program *gp,
                    struct brw_gs_prog_key *key)
{
   struct brw_compiler *compiler = brw->screen->compiler;
   const struct gen_device_info *devinfo = &brw->screen->devinfo;
   struct brw_stage_state *stage_state = &brw->gs.base;
   struct brw_gs_prog_data prog_data;
   bool start_busy = false;
   double start_time = 0;

   memset(&prog_data, 0, sizeof(prog_data));

   assign_gs_binding_table_offsets(devinfo, &gp->program, &prog_data);

   /* Allocate the references to the uniforms that will end up in the
    * prog_data associated with the compiled program, and which will be freed
    * by the state cache.
    *
    * Note: param_count needs to be num_uniform_components * 4, since we add
    * padding around uniform values below vec4 size, so the worst case is that
    * every uniform is a float which gets padded to the size of a vec4.
    */
   int param_count = gp->program.nir->num_uniforms / 4;

   prog_data.base.base.param =
      rzalloc_array(NULL, const gl_constant_value *, param_count);
   prog_data.base.base.pull_param =
      rzalloc_array(NULL, const gl_constant_value *, param_count);
   prog_data.base.base.image_param =
      rzalloc_array(NULL, struct brw_image_param,
                    gp->program.info.num_images);
   prog_data.base.base.nr_params = param_count;
   prog_data.base.base.nr_image_params = gp->program.info.num_images;

   brw_nir_setup_glsl_uniforms(gp->program.nir, &gp->program,
                               &prog_data.base.base,
                               compiler->scalar_stage[MESA_SHADER_GEOMETRY]);
   brw_nir_analyze_ubo_ranges(compiler, gp->program.nir,
                              prog_data.base.base.ubo_ranges);

   uint64_t outputs_written = gp->program.info.outputs_written;

   brw_compute_vue_map(devinfo,
                       &prog_data.base.vue_map, outputs_written,
                       gp->program.info.separate_shader);

   int st_index = -1;
   if (INTEL_DEBUG & DEBUG_SHADER_TIME)
      st_index = brw_get_shader_time_index(brw, &gp->program, ST_GS, true);

   if (unlikely(brw->perf_debug)) {
      start_busy = brw->batch.last_bo && brw_bo_busy(brw->batch.last_bo);
      start_time = get_time();
   }

   void *mem_ctx = ralloc_context(NULL);
   unsigned program_size;
   char *error_str;
   const unsigned *program =
      brw_compile_gs(brw->screen->compiler, brw, mem_ctx, key,
                     &prog_data, gp->program.nir, &gp->program,
                     st_index, &program_size, &error_str);
   if (program == NULL) {
      ralloc_strcat(&gp->program.sh.data->InfoLog, error_str);
      _mesa_problem(NULL, "Failed to compile geometry shader: %s\n", error_str);

      ralloc_free(mem_ctx);
      return false;
   }

   if (unlikely(brw->perf_debug)) {
      if (gp->compiled_once) {
         brw_gs_debug_recompile(brw, &gp->program, key);
      }
      if (start_busy && !brw_bo_busy(brw->batch.last_bo)) {
         perf_debug("GS compile took %.03f ms and stalled the GPU\n",
                    (get_time() - start_time) * 1000);
      }
      gp->compiled_once = true;
   }

   /* Scratch space is used for register spilling */
   brw_alloc_stage_scratch(brw, stage_state,
                           prog_data.base.base.total_scratch,
                           devinfo->max_gs_threads);

   brw_upload_cache(&brw->cache, BRW_CACHE_GS_PROG,
                    key, sizeof(*key),
                    program, program_size,
                    &prog_data, sizeof(prog_data),
                    &stage_state->prog_offset, &brw->gs.base.prog_data);
   ralloc_free(mem_ctx);

   return true;
}
Ejemplo n.º 2
0
static bool
brw_codegen_wm_prog(struct brw_context *brw,
                    struct brw_program *fp,
                    struct brw_wm_prog_key *key,
                    struct brw_vue_map *vue_map)
{
   const struct gen_device_info *devinfo = &brw->screen->devinfo;
   void *mem_ctx = ralloc_context(NULL);
   struct brw_wm_prog_data prog_data;
   const GLuint *program;
   bool start_busy = false;
   double start_time = 0;

   nir_shader *nir = nir_shader_clone(mem_ctx, fp->program.nir);

   memset(&prog_data, 0, sizeof(prog_data));

   /* Use ALT floating point mode for ARB programs so that 0^0 == 1. */
   if (fp->program.is_arb_asm)
      prog_data.base.use_alt_mode = true;

   assign_fs_binding_table_offsets(devinfo, &fp->program, key, &prog_data);

   if (!fp->program.is_arb_asm) {
      brw_nir_setup_glsl_uniforms(mem_ctx, nir, &fp->program,
                                  &prog_data.base, true);
      brw_nir_analyze_ubo_ranges(brw->screen->compiler, nir,
                                 NULL, prog_data.base.ubo_ranges);
   } else {
      brw_nir_setup_arb_uniforms(mem_ctx, nir, &fp->program, &prog_data.base);

      if (unlikely(INTEL_DEBUG & DEBUG_WM))
         brw_dump_arb_asm("fragment", &fp->program);
   }

   if (unlikely(brw->perf_debug)) {
      start_busy = (brw->batch.last_bo &&
                    brw_bo_busy(brw->batch.last_bo));
      start_time = get_time();
   }

   int st_index8 = -1, st_index16 = -1, st_index32 = -1;
   if (INTEL_DEBUG & DEBUG_SHADER_TIME) {
      st_index8 = brw_get_shader_time_index(brw, &fp->program, ST_FS8,
                                            !fp->program.is_arb_asm);
      st_index16 = brw_get_shader_time_index(brw, &fp->program, ST_FS16,
                                             !fp->program.is_arb_asm);
      st_index32 = brw_get_shader_time_index(brw, &fp->program, ST_FS32,
                                             !fp->program.is_arb_asm);
   }

   char *error_str = NULL;
   program = brw_compile_fs(brw->screen->compiler, brw, mem_ctx,
                            key, &prog_data, nir,
                            &fp->program, st_index8, st_index16, st_index32,
                            true, false, vue_map,
                            &error_str);

   if (program == NULL) {
      if (!fp->program.is_arb_asm) {
         fp->program.sh.data->LinkStatus = LINKING_FAILURE;
         ralloc_strcat(&fp->program.sh.data->InfoLog, error_str);
      }

      _mesa_problem(NULL, "Failed to compile fragment shader: %s\n", error_str);

      ralloc_free(mem_ctx);
      return false;
   }

   if (unlikely(brw->perf_debug)) {
      if (fp->compiled_once) {
         brw_debug_recompile(brw, MESA_SHADER_FRAGMENT, fp->program.Id,
                             key->program_string_id, key);
      }
      fp->compiled_once = true;

      if (start_busy && !brw_bo_busy(brw->batch.last_bo)) {
         perf_debug("FS compile took %.03f ms and stalled the GPU\n",
                    (get_time() - start_time) * 1000);
      }
   }

   brw_alloc_stage_scratch(brw, &brw->wm.base, prog_data.base.total_scratch);

   if (unlikely((INTEL_DEBUG & DEBUG_WM) && fp->program.is_arb_asm))
      fprintf(stderr, "\n");

   /* The param and pull_param arrays will be freed by the shader cache. */
   ralloc_steal(NULL, prog_data.base.param);
   ralloc_steal(NULL, prog_data.base.pull_param);
   brw_upload_cache(&brw->cache, BRW_CACHE_FS_PROG,
                    key, sizeof(struct brw_wm_prog_key),
                    program, prog_data.base.program_size,
                    &prog_data, sizeof(prog_data),
                    &brw->wm.base.prog_offset, &brw->wm.base.prog_data);

   ralloc_free(mem_ctx);

   return true;
}
Ejemplo n.º 3
0
static bool
brw_codegen_tes_prog(struct brw_context *brw,
                     struct brw_program *tep,
                     struct brw_tes_prog_key *key)
{
   const struct brw_compiler *compiler = brw->screen->compiler;
   const struct gen_device_info *devinfo = &brw->screen->devinfo;
   struct brw_stage_state *stage_state = &brw->tes.base;
   struct brw_tes_prog_data prog_data;
   bool start_busy = false;
   double start_time = 0;

   memset(&prog_data, 0, sizeof(prog_data));

   void *mem_ctx = ralloc_context(NULL);

   nir_shader *nir = nir_shader_clone(mem_ctx, tep->program.nir);

   brw_assign_common_binding_table_offsets(devinfo, &tep->program,
                                           &prog_data.base.base, 0);

   brw_nir_setup_glsl_uniforms(mem_ctx, nir, &tep->program,
                               &prog_data.base.base,
                               compiler->scalar_stage[MESA_SHADER_TESS_EVAL]);
   brw_nir_analyze_ubo_ranges(compiler, nir, NULL,
                              prog_data.base.base.ubo_ranges);

   int st_index = -1;
   if (unlikely(INTEL_DEBUG & DEBUG_SHADER_TIME))
      st_index = brw_get_shader_time_index(brw, &tep->program, ST_TES, true);

   if (unlikely(brw->perf_debug)) {
      start_busy = brw->batch.last_bo && brw_bo_busy(brw->batch.last_bo);
      start_time = get_time();
   }

   struct brw_vue_map input_vue_map;
   brw_compute_tess_vue_map(&input_vue_map, key->inputs_read,
                            key->patch_inputs_read);

   char *error_str;
   const unsigned *program =
      brw_compile_tes(compiler, brw, mem_ctx, key, &input_vue_map, &prog_data,
                      nir, &tep->program, st_index, &error_str);
   if (program == NULL) {
      tep->program.sh.data->LinkStatus = LINKING_FAILURE;
      ralloc_strcat(&tep->program.sh.data->InfoLog, error_str);

      _mesa_problem(NULL, "Failed to compile tessellation evaluation shader: "
                    "%s\n", error_str);

      ralloc_free(mem_ctx);
      return false;
   }

   if (unlikely(brw->perf_debug)) {
      if (tep->compiled_once) {
         brw_debug_recompile(brw, MESA_SHADER_TESS_EVAL, tep->program.Id,
                             key->program_string_id, key);
      }
      if (start_busy && !brw_bo_busy(brw->batch.last_bo)) {
         perf_debug("TES compile took %.03f ms and stalled the GPU\n",
                    (get_time() - start_time) * 1000);
      }
      tep->compiled_once = true;
   }

   /* Scratch space is used for register spilling */
   brw_alloc_stage_scratch(brw, stage_state,
                           prog_data.base.base.total_scratch);

   /* The param and pull_param arrays will be freed by the shader cache. */
   ralloc_steal(NULL, prog_data.base.base.param);
   ralloc_steal(NULL, prog_data.base.base.pull_param);
   brw_upload_cache(&brw->cache, BRW_CACHE_TES_PROG,
                    key, sizeof(*key),
                    program, prog_data.base.base.program_size,
                    &prog_data, sizeof(prog_data),
                    &stage_state->prog_offset, &brw->tes.base.prog_data);
   ralloc_free(mem_ctx);

   return true;
}