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Diffstat (limited to 'mesalib/src/glsl/test_optpass.cpp')
| -rw-r--r-- | mesalib/src/glsl/test_optpass.cpp | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/mesalib/src/glsl/test_optpass.cpp b/mesalib/src/glsl/test_optpass.cpp new file mode 100644 index 000000000..89b7f8338 --- /dev/null +++ b/mesalib/src/glsl/test_optpass.cpp @@ -0,0 +1,273 @@ +/* + * Copyright © 2011 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. + */ + +/** + * \file test_optpass.cpp + * + * Standalone test for optimization passes. + * + * This file provides the "optpass" command for the standalone + * glsl_test app. It accepts either GLSL or high-level IR as input, + * and performs the optimiation passes specified on the command line. + * It outputs the IR, both before and after optimiations. + */ + +#include <string> +#include <iostream> +#include <sstream> +#include <getopt.h> + +#include "ast.h" +#include "ir_optimization.h" +#include "ir_print_visitor.h" +#include "program.h" +#include "ir_reader.h" +#include "standalone_scaffolding.h" + +using namespace std; + +static string read_stdin_to_eof() +{ + stringbuf sb; + cin.get(sb, '\0'); + return sb.str(); +} + +static GLboolean +do_optimization(struct exec_list *ir, const char *optimization) +{ + int int_0; + int int_1; + int int_2; + int int_3; + int int_4; + + if (sscanf(optimization, "do_common_optimization ( %d , %d ) ", + &int_0, &int_1) == 2) { + return do_common_optimization(ir, int_0 != 0, int_1); + } else if (strcmp(optimization, "do_algebraic") == 0) { + return do_algebraic(ir); + } else if (strcmp(optimization, "do_constant_folding") == 0) { + return do_constant_folding(ir); + } else if (strcmp(optimization, "do_constant_variable") == 0) { + return do_constant_variable(ir); + } else if (strcmp(optimization, "do_constant_variable_unlinked") == 0) { + return do_constant_variable_unlinked(ir); + } else if (strcmp(optimization, "do_copy_propagation") == 0) { + return do_copy_propagation(ir); + } else if (strcmp(optimization, "do_copy_propagation_elements") == 0) { + return do_copy_propagation_elements(ir); + } else if (strcmp(optimization, "do_constant_propagation") == 0) { + return do_constant_propagation(ir); + } else if (strcmp(optimization, "do_dead_code") == 0) { + return do_dead_code(ir); + } else if (strcmp(optimization, "do_dead_code_local") == 0) { + return do_dead_code_local(ir); + } else if (strcmp(optimization, "do_dead_code_unlinked") == 0) { + return do_dead_code_unlinked(ir); + } else if (strcmp(optimization, "do_dead_functions") == 0) { + return do_dead_functions(ir); + } else if (strcmp(optimization, "do_function_inlining") == 0) { + return do_function_inlining(ir); + } else if (sscanf(optimization, + "do_lower_jumps ( %d , %d , %d , %d , %d ) ", + &int_0, &int_1, &int_2, &int_3, &int_4) == 5) { + return do_lower_jumps(ir, int_0 != 0, int_1 != 0, int_2 != 0, + int_3 != 0, int_4 != 0); + } else if (strcmp(optimization, "do_lower_texture_projection") == 0) { + return do_lower_texture_projection(ir); + } else if (strcmp(optimization, "do_if_simplification") == 0) { + return do_if_simplification(ir); + } else if (strcmp(optimization, "do_discard_simplification") == 0) { + return do_discard_simplification(ir); + } else if (sscanf(optimization, "lower_if_to_cond_assign ( %d ) ", + &int_0) == 1) { + return lower_if_to_cond_assign(ir, int_0); + } else if (strcmp(optimization, "do_mat_op_to_vec") == 0) { + return do_mat_op_to_vec(ir); + } else if (strcmp(optimization, "do_noop_swizzle") == 0) { + return do_noop_swizzle(ir); + } else if (strcmp(optimization, "do_structure_splitting") == 0) { + return do_structure_splitting(ir); + } else if (strcmp(optimization, "do_swizzle_swizzle") == 0) { + return do_swizzle_swizzle(ir); + } else if (strcmp(optimization, "do_tree_grafting") == 0) { + return do_tree_grafting(ir); + } else if (strcmp(optimization, "do_vec_index_to_cond_assign") == 0) { + return do_vec_index_to_cond_assign(ir); + } else if (strcmp(optimization, "do_vec_index_to_swizzle") == 0) { + return do_vec_index_to_swizzle(ir); + } else if (strcmp(optimization, "lower_discard") == 0) { + return lower_discard(ir); + } else if (sscanf(optimization, "lower_instructions ( %d ) ", + &int_0) == 1) { + return lower_instructions(ir, int_0); + } else if (strcmp(optimization, "lower_noise") == 0) { + return lower_noise(ir); + } else if (sscanf(optimization, "lower_variable_index_to_cond_assign " + "( %d , %d , %d , %d ) ", &int_0, &int_1, &int_2, + &int_3) == 4) { + return lower_variable_index_to_cond_assign(ir, int_0 != 0, int_1 != 0, + int_2 != 0, int_3 != 0); + } else if (sscanf(optimization, "lower_quadop_vector ( %d ) ", + &int_0) == 1) { + return lower_quadop_vector(ir, int_0 != 0); + } else if (strcmp(optimization, "optimize_redundant_jumps") == 0) { + return optimize_redundant_jumps(ir); + } else { + printf("Unrecognized optimization %s\n", optimization); + exit(EXIT_FAILURE); + return false; + } +} + +static GLboolean +do_optimization_passes(struct exec_list *ir, char **optimizations, + int num_optimizations, bool quiet) +{ + GLboolean overall_progress = false; + + for (int i = 0; i < num_optimizations; ++i) { + const char *optimization = optimizations[i]; + if (!quiet) { + printf("*** Running optimization %s...", optimization); + } + GLboolean progress = do_optimization(ir, optimization); + if (!quiet) { + printf("%s\n", progress ? "progress" : "no progress"); + } + validate_ir_tree(ir); + + overall_progress = overall_progress || progress; + } + + return overall_progress; +} + +int test_optpass(int argc, char **argv) +{ + int input_format_ir = 0; /* 0=glsl, 1=ir */ + int loop = 0; + int shader_type = GL_VERTEX_SHADER; + int quiet = 0; + + const struct option optpass_opts[] = { + { "input-ir", no_argument, &input_format_ir, 1 }, + { "input-glsl", no_argument, &input_format_ir, 0 }, + { "loop", no_argument, &loop, 1 }, + { "vertex-shader", no_argument, &shader_type, GL_VERTEX_SHADER }, + { "fragment-shader", no_argument, &shader_type, GL_FRAGMENT_SHADER }, + { "quiet", no_argument, &quiet, 1 }, + { NULL, 0, NULL, 0 } + }; + + int idx = 0; + int c; + while ((c = getopt_long(argc, argv, "", optpass_opts, &idx)) != -1) { + if (c != 0) { + printf("*** usage: %s optpass <optimizations> <options>\n", argv[0]); + printf("\n"); + printf("Possible options are:\n"); + printf(" --input-ir: input format is IR\n"); + printf(" --input-glsl: input format is GLSL (the default)\n"); + printf(" --loop: run optimizations repeatedly until no progress\n"); + printf(" --vertex-shader: test with a vertex shader (the default)\n"); + printf(" --fragment-shader: test with a fragment shader\n"); + exit(EXIT_FAILURE); + } + } + + struct gl_context local_ctx; + struct gl_context *ctx = &local_ctx; + initialize_context_to_defaults(ctx, API_OPENGL); + + ctx->Driver.NewShader = _mesa_new_shader; + + struct gl_shader *shader = rzalloc(NULL, struct gl_shader); + shader->Type = shader_type; + + string input = read_stdin_to_eof(); + + struct _mesa_glsl_parse_state *state + = new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader); + + if (input_format_ir) { + shader->ir = new(shader) exec_list; + _mesa_glsl_initialize_types(state); + _mesa_glsl_read_ir(state, shader->ir, input.c_str(), true); + } else { + shader->Source = input.c_str(); + const char *source = shader->Source; + state->error = preprocess(state, &source, &state->info_log, + state->extensions, ctx->API) != 0; + + if (!state->error) { + _mesa_glsl_lexer_ctor(state, source); + _mesa_glsl_parse(state); + _mesa_glsl_lexer_dtor(state); + } + + shader->ir = new(shader) exec_list; + if (!state->error && !state->translation_unit.is_empty()) + _mesa_ast_to_hir(shader->ir, state); + } + + /* Print out the initial IR */ + if (!state->error && !quiet) { + printf("*** pre-optimization IR:\n"); + _mesa_print_ir(shader->ir, state); + printf("\n--\n"); + } + + /* Optimization passes */ + if (!state->error) { + GLboolean progress; + do { + progress = do_optimization_passes(shader->ir, &argv[optind], + argc - optind, quiet != 0); + } while (loop && progress); + } + + /* Print out the resulting IR */ + if (!state->error) { + if (!quiet) { + printf("*** resulting IR:\n"); + } + _mesa_print_ir(shader->ir, state); + if (!quiet) { + printf("\n--\n"); + } + } + + if (state->error) { + printf("*** error(s) occurred:\n"); + printf("%s\n", state->info_log); + printf("--\n"); + } + + ralloc_free(state); + ralloc_free(shader); + + return state->error; +} + |