/* * Copyright (c) 2014 - 2015 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "util/ralloc.h" #include "brw_context.h" #include "brw_cs.h" #include "brw_eu.h" #include "brw_wm.h" #include "brw_shader.h" #include "intel_mipmap_tree.h" #include "brw_state.h" #include "intel_batchbuffer.h" bool brw_cs_prog_data_compare(const void *in_a, const void *in_b) { const struct brw_cs_prog_data *a = (const struct brw_cs_prog_data *)in_a; const struct brw_cs_prog_data *b = (const struct brw_cs_prog_data *)in_b; /* Compare the base structure. */ if (!brw_stage_prog_data_compare(&a->base, &b->base)) return false; /* Compare the rest of the structure. */ const unsigned offset = sizeof(struct brw_stage_prog_data); if (memcmp(((char *) a) + offset, ((char *) b) + offset, sizeof(struct brw_cs_prog_data) - offset)) return false; return true; } static bool brw_codegen_cs_prog(struct brw_context *brw, struct gl_shader_program *prog, struct brw_compute_program *cp, struct brw_cs_prog_key *key) { struct gl_context *ctx = &brw->ctx; const GLuint *program; void *mem_ctx = ralloc_context(NULL); GLuint program_size; struct brw_cs_prog_data prog_data; bool start_busy = false; double start_time = 0; struct brw_shader *cs = (struct brw_shader *) prog->_LinkedShaders[MESA_SHADER_COMPUTE]; assert (cs); memset(&prog_data, 0, sizeof(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. */ int param_count = cs->base.num_uniform_components + cs->base.NumImages * BRW_IMAGE_PARAM_SIZE; /* The backend also sometimes adds params for texture size. */ param_count += 2 * ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits; prog_data.base.param = rzalloc_array(NULL, const gl_constant_value *, param_count); prog_data.base.pull_param = rzalloc_array(NULL, const gl_constant_value *, param_count); prog_data.base.image_param = rzalloc_array(NULL, struct brw_image_param, cs->base.NumImages); prog_data.base.nr_params = param_count; prog_data.base.nr_image_params = cs->base.NumImages; if (unlikely(brw->perf_debug)) { start_busy = (brw->batch.last_bo && drm_intel_bo_busy(brw->batch.last_bo)); start_time = get_time(); } program = brw_cs_emit(brw, mem_ctx, key, &prog_data, &cp->program, prog, &program_size); if (program == NULL) { ralloc_free(mem_ctx); return false; } if (unlikely(brw->perf_debug) && cs) { if (cs->compiled_once) { _mesa_problem(&brw->ctx, "CS programs shouldn't need recompiles"); } cs->compiled_once = true; if (start_busy && !drm_intel_bo_busy(brw->batch.last_bo)) { perf_debug("CS compile took %.03f ms and stalled the GPU\n", (get_time() - start_time) * 1000); } } if (prog_data.base.total_scratch) { brw_get_scratch_bo(brw, &brw->cs.base.scratch_bo, prog_data.base.total_scratch * brw->max_cs_threads); } if (unlikely(INTEL_DEBUG & DEBUG_CS)) fprintf(stderr, "\n"); brw_upload_cache(&brw->cache, BRW_CACHE_CS_PROG, key, sizeof(*key), program, program_size, &prog_data, sizeof(prog_data), &brw->cs.base.prog_offset, &brw->cs.prog_data); ralloc_free(mem_ctx); return true; } static void brw_cs_populate_key(struct brw_context *brw, struct brw_cs_prog_key *key) { struct gl_context *ctx = &brw->ctx; /* BRW_NEW_COMPUTE_PROGRAM */ const struct brw_compute_program *cp = (struct brw_compute_program *) brw->compute_program; const struct gl_program *prog = (struct gl_program *) cp; memset(key, 0, sizeof(*key)); /* _NEW_TEXTURE */ brw_populate_sampler_prog_key_data(ctx, prog, brw->cs.base.sampler_count, &key->tex); /* The unique compute program ID */ key->program_string_id = cp->id; } void brw_upload_cs_prog(struct brw_context *brw) { struct gl_context *ctx = &brw->ctx; struct brw_cs_prog_key key; struct brw_compute_program *cp = (struct brw_compute_program *) brw->compute_program; if (!cp) return; if (!brw_state_dirty(brw, _NEW_TEXTURE, BRW_NEW_COMPUTE_PROGRAM)) return; brw->cs.base.sampler_count = _mesa_fls(ctx->ComputeProgram._Current->Base.SamplersUsed); brw_cs_populate_key(brw, &key); if (!brw_search_cache(&brw->cache, BRW_CACHE_CS_PROG, &key, sizeof(key), &brw->cs.base.prog_offset, &brw->cs.prog_data)) { bool success = brw_codegen_cs_prog(brw, ctx->Shader.CurrentProgram[MESA_SHADER_COMPUTE], cp, &key); (void) success; assert(success); } brw->cs.base.prog_data = &brw->cs.prog_data->base; } bool brw_cs_precompile(struct gl_context *ctx, struct gl_shader_program *shader_prog, struct gl_program *prog) { struct brw_context *brw = brw_context(ctx); struct brw_cs_prog_key key; struct gl_compute_program *cp = (struct gl_compute_program *) prog; struct brw_compute_program *bcp = brw_compute_program(cp); memset(&key, 0, sizeof(key)); key.program_string_id = bcp->id; brw_setup_tex_for_precompile(brw, &key.tex, prog); uint32_t old_prog_offset = brw->cs.base.prog_offset; struct brw_cs_prog_data *old_prog_data = brw->cs.prog_data; bool success = brw_codegen_cs_prog(brw, shader_prog, bcp, &key); brw->cs.base.prog_offset = old_prog_offset; brw->cs.prog_data = old_prog_data; return success; }