| 0,0 → 1,338 |
|---|
| /* |
| * Copyright © 2008, 2009 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 <stdlib.h> |
| #include <stdio.h> |
| #include <getopt.h> |
| |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <unistd.h> |
| |
| #include "ast.h" |
| #include "glsl_parser_extras.h" |
| #include "glsl_parser.h" |
| #include "ir_optimization.h" |
| #include "ir_print_visitor.h" |
| #include "program.h" |
| #include "loop_analysis.h" |
| |
| extern "C" struct gl_shader * |
| _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type); |
| |
| extern "C" void |
| _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr, |
| struct gl_shader *sh); |
| |
| /* Copied from shader_api.c for the stand-alone compiler. |
| */ |
| void |
| _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr, |
| struct gl_shader *sh) |
| { |
| *ptr = sh; |
| } |
| |
| struct gl_shader * |
| _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type) |
| { |
| struct gl_shader *shader; |
| |
| (void) ctx; |
| |
| assert(type == GL_FRAGMENT_SHADER || type == GL_VERTEX_SHADER); |
| shader = rzalloc(NULL, struct gl_shader); |
| if (shader) { |
| shader->Type = type; |
| shader->Name = name; |
| shader->RefCount = 1; |
| } |
| return shader; |
| } |
| |
| static void |
| initialize_context(struct gl_context *ctx, gl_api api) |
| { |
| memset(ctx, 0, sizeof(*ctx)); |
| |
| ctx->API = api; |
| |
| ctx->Extensions.ARB_ES2_compatibility = GL_TRUE; |
| ctx->Extensions.ARB_draw_buffers = GL_TRUE; |
| ctx->Extensions.ARB_fragment_coord_conventions = GL_TRUE; |
| ctx->Extensions.EXT_texture_array = GL_TRUE; |
| ctx->Extensions.NV_texture_rectangle = GL_TRUE; |
| |
| /* GLSL 1.30 isn't fully supported, but we need to advertise 1.30 so that |
| * the built-in functions for 1.30 can be built. |
| */ |
| ctx->Const.GLSLVersion = 130; |
| |
| /* 1.10 minimums. */ |
| ctx->Const.MaxLights = 8; |
| ctx->Const.MaxClipPlanes = 8; |
| ctx->Const.MaxTextureUnits = 2; |
| |
| /* More than the 1.10 minimum to appease parser tests taken from |
| * apps that (hopefully) already checked the number of coords. |
| */ |
| ctx->Const.MaxTextureCoordUnits = 4; |
| |
| ctx->Const.VertexProgram.MaxAttribs = 16; |
| ctx->Const.VertexProgram.MaxUniformComponents = 512; |
| ctx->Const.MaxVarying = 8; |
| ctx->Const.MaxVertexTextureImageUnits = 0; |
| ctx->Const.MaxCombinedTextureImageUnits = 2; |
| ctx->Const.MaxTextureImageUnits = 2; |
| ctx->Const.FragmentProgram.MaxUniformComponents = 64; |
| |
| ctx->Const.MaxDrawBuffers = 2; |
| |
| ctx->Driver.NewShader = _mesa_new_shader; |
| } |
| |
| /* Returned string will have 'ctx' as its ralloc owner. */ |
| static char * |
| load_text_file(void *ctx, const char *file_name) |
| { |
| char *text = NULL; |
| struct stat st; |
| ssize_t total_read = 0; |
| int fd = open(file_name, O_RDONLY); |
| |
| if (fd < 0) { |
| return NULL; |
| } |
| |
| if (fstat(fd, & st) == 0) { |
| text = (char *) ralloc_size(ctx, st.st_size + 1); |
| if (text != NULL) { |
| do { |
| ssize_t bytes = read(fd, text + total_read, |
| st.st_size - total_read); |
| if (bytes < 0) { |
| free(text); |
| text = NULL; |
| break; |
| } |
| |
| if (bytes == 0) { |
| break; |
| } |
| |
| total_read += bytes; |
| } while (total_read < st.st_size); |
| |
| text[total_read] = '\0'; |
| } |
| } |
| |
| close(fd); |
| |
| return text; |
| } |
| |
| int glsl_es = 0; |
| int dump_ast = 0; |
| int dump_hir = 0; |
| int dump_lir = 0; |
| int do_link = 0; |
| |
| const struct option compiler_opts[] = { |
| { "glsl-es", 0, &glsl_es, 1 }, |
| { "dump-ast", 0, &dump_ast, 1 }, |
| { "dump-hir", 0, &dump_hir, 1 }, |
| { "dump-lir", 0, &dump_lir, 1 }, |
| { "link", 0, &do_link, 1 }, |
| { NULL, 0, NULL, 0 } |
| }; |
| |
| /** |
| * \brief Print proper usage and exit with failure. |
| */ |
| void |
| usage_fail(const char *name) |
| { |
| |
| const char *header = |
| "usage: %s [options] <file.vert | file.geom | file.frag>\n" |
| "\n" |
| "Possible options are:\n"; |
| printf(header, name, name); |
| for (const struct option *o = compiler_opts; o->name != 0; ++o) { |
| printf(" --%s\n", o->name); |
| } |
| exit(EXIT_FAILURE); |
| } |
| |
| |
| void |
| compile_shader(struct gl_context *ctx, struct gl_shader *shader) |
| { |
| struct _mesa_glsl_parse_state *state = |
| new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader); |
| |
| const char *source = shader->Source; |
| state->error = preprocess(state, &source, &state->info_log, |
| state->extensions, ctx->API); |
| |
| if (!state->error) { |
| _mesa_glsl_lexer_ctor(state, source); |
| _mesa_glsl_parse(state); |
| _mesa_glsl_lexer_dtor(state); |
| } |
| |
| if (dump_ast) { |
| foreach_list_const(n, &state->translation_unit) { |
| ast_node *ast = exec_node_data(ast_node, n, link); |
| ast->print(); |
| } |
| printf("\n\n"); |
| } |
| |
| shader->ir = new(shader) exec_list; |
| if (!state->error && !state->translation_unit.is_empty()) |
| _mesa_ast_to_hir(shader->ir, state); |
| |
| /* Print out the unoptimized IR. */ |
| if (!state->error && dump_hir) { |
| validate_ir_tree(shader->ir); |
| _mesa_print_ir(shader->ir, state); |
| } |
| |
| /* Optimization passes */ |
| if (!state->error && !shader->ir->is_empty()) { |
| bool progress; |
| do { |
| progress = do_common_optimization(shader->ir, false, 32); |
| } while (progress); |
| |
| validate_ir_tree(shader->ir); |
| } |
| |
| |
| /* Print out the resulting IR */ |
| if (!state->error && dump_lir) { |
| _mesa_print_ir(shader->ir, state); |
| } |
| |
| shader->symbols = state->symbols; |
| shader->CompileStatus = !state->error; |
| shader->Version = state->language_version; |
| memcpy(shader->builtins_to_link, state->builtins_to_link, |
| sizeof(shader->builtins_to_link[0]) * state->num_builtins_to_link); |
| shader->num_builtins_to_link = state->num_builtins_to_link; |
| |
| if (shader->InfoLog) |
| ralloc_free(shader->InfoLog); |
| |
| shader->InfoLog = state->info_log; |
| |
| /* Retain any live IR, but trash the rest. */ |
| reparent_ir(shader->ir, shader); |
| |
| ralloc_free(state); |
| |
| return; |
| } |
| |
| int |
| main(int argc, char **argv) |
| { |
| int status = EXIT_SUCCESS; |
| struct gl_context local_ctx; |
| struct gl_context *ctx = &local_ctx; |
| |
| int c; |
| int idx = 0; |
| while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) |
| /* empty */ ; |
| |
| |
| if (argc <= optind) |
| usage_fail(argv[0]); |
| |
| initialize_context(ctx, (glsl_es) ? API_OPENGLES2 : API_OPENGL); |
| |
| struct gl_shader_program *whole_program; |
| |
| whole_program = rzalloc (NULL, struct gl_shader_program); |
| assert(whole_program != NULL); |
| |
| for (/* empty */; argc > optind; optind++) { |
| whole_program->Shaders = |
| reralloc(whole_program, whole_program->Shaders, |
| struct gl_shader *, whole_program->NumShaders + 1); |
| assert(whole_program->Shaders != NULL); |
| |
| struct gl_shader *shader = rzalloc(whole_program, gl_shader); |
| |
| whole_program->Shaders[whole_program->NumShaders] = shader; |
| whole_program->NumShaders++; |
| |
| const unsigned len = strlen(argv[optind]); |
| if (len < 6) |
| usage_fail(argv[0]); |
| |
| const char *const ext = & argv[optind][len - 5]; |
| if (strncmp(".vert", ext, 5) == 0) |
| shader->Type = GL_VERTEX_SHADER; |
| else if (strncmp(".geom", ext, 5) == 0) |
| shader->Type = GL_GEOMETRY_SHADER; |
| else if (strncmp(".frag", ext, 5) == 0) |
| shader->Type = GL_FRAGMENT_SHADER; |
| else |
| usage_fail(argv[0]); |
| |
| shader->Source = load_text_file(whole_program, argv[optind]); |
| if (shader->Source == NULL) { |
| printf("File \"%s\" does not exist.\n", argv[optind]); |
| exit(EXIT_FAILURE); |
| } |
| |
| compile_shader(ctx, shader); |
| |
| if (!shader->CompileStatus) { |
| printf("Info log for %s:\n%s\n", argv[optind], shader->InfoLog); |
| status = EXIT_FAILURE; |
| break; |
| } |
| } |
| |
| if ((status == EXIT_SUCCESS) && do_link) { |
| link_shaders(ctx, whole_program); |
| status = (whole_program->LinkStatus) ? EXIT_SUCCESS : EXIT_FAILURE; |
| |
| if (strlen(whole_program->InfoLog) > 0) |
| printf("Info log for linking:\n%s\n", whole_program->InfoLog); |
| } |
| |
| for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) |
| ralloc_free(whole_program->_LinkedShaders[i]); |
| |
| ralloc_free(whole_program); |
| _mesa_glsl_release_types(); |
| _mesa_glsl_release_functions(); |
| |
| return status; |
| } |