diff options
Diffstat (limited to 'src/compiler/glsl/main.cpp')
| -rw-r--r-- | src/compiler/glsl/main.cpp | 431 |
1 files changed, 431 insertions, 0 deletions
diff --git a/src/compiler/glsl/main.cpp b/src/compiler/glsl/main.cpp new file mode 100644 index 00000000000..df93a013ede --- /dev/null +++ b/src/compiler/glsl/main.cpp @@ -0,0 +1,431 @@ +/* + * 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 <getopt.h> + +/** @file main.cpp + * + * This file is the main() routine and scaffolding for producing + * builtin_compiler (which doesn't include builtins itself and is used + * to generate the profile information for builtin_function.cpp), and + * for glsl_compiler (which does include builtins and can be used to + * offline compile GLSL code and examine the resulting GLSL IR. + */ + +#include "ast.h" +#include "glsl_parser_extras.h" +#include "ir_optimization.h" +#include "program.h" +#include "program/hash_table.h" +#include "loop_analysis.h" +#include "standalone_scaffolding.h" + +static int glsl_version = 330; + +static void +initialize_context(struct gl_context *ctx, gl_api api) +{ + initialize_context_to_defaults(ctx, api); + + /* The standalone compiler needs to claim support for almost + * everything in order to compile the built-in functions. + */ + ctx->Const.GLSLVersion = glsl_version; + ctx->Extensions.ARB_ES3_compatibility = true; + ctx->Const.MaxComputeWorkGroupCount[0] = 65535; + ctx->Const.MaxComputeWorkGroupCount[1] = 65535; + ctx->Const.MaxComputeWorkGroupCount[2] = 65535; + ctx->Const.MaxComputeWorkGroupSize[0] = 1024; + ctx->Const.MaxComputeWorkGroupSize[1] = 1024; + ctx->Const.MaxComputeWorkGroupSize[2] = 64; + ctx->Const.MaxComputeWorkGroupInvocations = 1024; + ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16; + ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024; + ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */ + ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */ + + switch (ctx->Const.GLSLVersion) { + case 100: + ctx->Const.MaxClipPlanes = 0; + ctx->Const.MaxCombinedTextureImageUnits = 8; + ctx->Const.MaxDrawBuffers = 2; + ctx->Const.MinProgramTexelOffset = 0; + ctx->Const.MaxProgramTexelOffset = 0; + ctx->Const.MaxLights = 0; + ctx->Const.MaxTextureCoordUnits = 0; + ctx->Const.MaxTextureUnits = 8; + + ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 8; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 128 * 4; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */ + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32; + + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = + ctx->Const.MaxCombinedTextureImageUnits; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 16 * 4; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */ + + ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4; + break; + case 110: + case 120: + ctx->Const.MaxClipPlanes = 6; + ctx->Const.MaxCombinedTextureImageUnits = 2; + ctx->Const.MaxDrawBuffers = 1; + ctx->Const.MinProgramTexelOffset = 0; + ctx->Const.MaxProgramTexelOffset = 0; + ctx->Const.MaxLights = 8; + ctx->Const.MaxTextureCoordUnits = 2; + ctx->Const.MaxTextureUnits = 2; + + ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 512; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */ + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32; + + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = + ctx->Const.MaxCombinedTextureImageUnits; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 64; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */ + + ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4; + break; + case 130: + case 140: + ctx->Const.MaxClipPlanes = 8; + ctx->Const.MaxCombinedTextureImageUnits = 16; + ctx->Const.MaxDrawBuffers = 8; + ctx->Const.MinProgramTexelOffset = -8; + ctx->Const.MaxProgramTexelOffset = 7; + ctx->Const.MaxLights = 8; + ctx->Const.MaxTextureCoordUnits = 8; + ctx->Const.MaxTextureUnits = 2; + + ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */ + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64; + + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */ + + ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents / 4; + break; + case 150: + case 330: + ctx->Const.MaxClipPlanes = 8; + ctx->Const.MaxDrawBuffers = 8; + ctx->Const.MinProgramTexelOffset = -8; + ctx->Const.MaxProgramTexelOffset = 7; + ctx->Const.MaxLights = 8; + ctx->Const.MaxTextureCoordUnits = 8; + ctx->Const.MaxTextureUnits = 2; + + ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */ + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 64; + + ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits = 16; + ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxUniformComponents = 1024; + ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxInputComponents = + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents; + ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents = 128; + + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 1024; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = + ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxOutputComponents; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */ + + ctx->Const.MaxCombinedTextureImageUnits = + ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits + + ctx->Const.Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits + + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits; + + ctx->Const.MaxGeometryOutputVertices = 256; + ctx->Const.MaxGeometryTotalOutputComponents = 1024; + + ctx->Const.MaxVarying = 60 / 4; + break; + case 300: + ctx->Const.MaxClipPlanes = 8; + ctx->Const.MaxCombinedTextureImageUnits = 32; + ctx->Const.MaxDrawBuffers = 4; + ctx->Const.MinProgramTexelOffset = -8; + ctx->Const.MaxProgramTexelOffset = 7; + ctx->Const.MaxLights = 0; + ctx->Const.MaxTextureCoordUnits = 0; + ctx->Const.MaxTextureUnits = 0; + + ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 16; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 1024; + ctx->Const.Program[MESA_SHADER_VERTEX].MaxInputComponents = 0; /* not used */ + ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 16 * 4; + + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 16; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 224; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 15 * 4; + ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxOutputComponents = 0; /* not used */ + + ctx->Const.MaxVarying = ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents / 4; + break; + } + + ctx->Const.GenerateTemporaryNames = true; + ctx->Const.MaxPatchVertices = 32; + + 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; + size_t size; + size_t total_read = 0; + FILE *fp = fopen(file_name, "rb"); + + if (!fp) { + return NULL; + } + + fseek(fp, 0L, SEEK_END); + size = ftell(fp); + fseek(fp, 0L, SEEK_SET); + + text = (char *) ralloc_size(ctx, size + 1); + if (text != NULL) { + do { + size_t bytes = fread(text + total_read, + 1, size - total_read, fp); + if (bytes < size - total_read) { + free(text); + text = NULL; + goto error; + } + + if (bytes == 0) { + break; + } + + total_read += bytes; + } while (total_read < size); + + text[total_read] = '\0'; +error:; + } + + fclose(fp); + + return text; +} + +int dump_ast = 0; +int dump_hir = 0; +int dump_lir = 0; +int do_link = 0; + +const struct option compiler_opts[] = { + { "dump-ast", no_argument, &dump_ast, 1 }, + { "dump-hir", no_argument, &dump_hir, 1 }, + { "dump-lir", no_argument, &dump_lir, 1 }, + { "link", no_argument, &do_link, 1 }, + { "version", required_argument, NULL, 'v' }, + { 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.tesc | file.tese | file.geom | file.frag | file.comp>\n" + "\n" + "Possible options are:\n"; + printf(header, 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->Stage, shader); + + _mesa_glsl_compile_shader(ctx, shader, dump_ast, dump_hir); + + /* Print out the resulting IR */ + if (!state->error && dump_lir) { + _mesa_print_ir(stdout, shader->ir, state); + } + + return; +} + +int +main(int argc, char **argv) +{ + int status = EXIT_SUCCESS; + struct gl_context local_ctx; + struct gl_context *ctx = &local_ctx; + bool glsl_es = false; + + int c; + int idx = 0; + while ((c = getopt_long(argc, argv, "", compiler_opts, &idx)) != -1) { + switch (c) { + case 'v': + glsl_version = strtol(optarg, NULL, 10); + switch (glsl_version) { + case 100: + case 300: + glsl_es = true; + break; + case 110: + case 120: + case 130: + case 140: + case 150: + case 330: + glsl_es = false; + break; + default: + fprintf(stderr, "Unrecognized GLSL version `%s'\n", optarg); + usage_fail(argv[0]); + break; + } + break; + default: + break; + } + } + + + if (argc <= optind) + usage_fail(argv[0]); + + initialize_context(ctx, (glsl_es) ? API_OPENGLES2 : API_OPENGL_COMPAT); + + struct gl_shader_program *whole_program; + + whole_program = rzalloc (NULL, struct gl_shader_program); + assert(whole_program != NULL); + whole_program->InfoLog = ralloc_strdup(whole_program, ""); + + /* Created just to avoid segmentation faults */ + whole_program->AttributeBindings = new string_to_uint_map; + whole_program->FragDataBindings = new string_to_uint_map; + whole_program->FragDataIndexBindings = new string_to_uint_map; + + 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 || strncmp(".glsl", ext, 5) == 0) + shader->Type = GL_VERTEX_SHADER; + else if (strncmp(".tesc", ext, 5) == 0) + shader->Type = GL_TESS_CONTROL_SHADER; + else if (strncmp(".tese", ext, 5) == 0) + shader->Type = GL_TESS_EVALUATION_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 if (strncmp(".comp", ext, 5) == 0) + shader->Type = GL_COMPUTE_SHADER; + else + usage_fail(argv[0]); + shader->Stage = _mesa_shader_enum_to_shader_stage(shader->Type); + + 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 (strlen(shader->InfoLog) > 0) + printf("Info log for %s:\n%s\n", argv[optind], shader->InfoLog); + + if (!shader->CompileStatus) { + status = EXIT_FAILURE; + break; + } + } + + if ((status == EXIT_SUCCESS) && do_link) { + _mesa_clear_shader_program_data(whole_program); + + 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_STAGES; i++) + ralloc_free(whole_program->_LinkedShaders[i]); + + delete whole_program->AttributeBindings; + delete whole_program->FragDataBindings; + delete whole_program->FragDataIndexBindings; + + ralloc_free(whole_program); + _mesa_glsl_release_types(); + _mesa_glsl_release_builtin_functions(); + + return status; +} |