| /* |
| * 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 standalone.cpp |
| * |
| * Standalone compiler helper lib. Used by standalone glsl_compiler and |
| * also available to drivers to implement their own standalone compiler |
| * with driver backend. |
| */ |
| |
| #include "ast.h" |
| #include "glsl_parser_extras.h" |
| #include "ir_optimization.h" |
| #include "standalone_scaffolding.h" |
| #include "standalone.h" |
| #include "util/set.h" |
| #include "gl_nir_linker.h" |
| #include "glsl_parser_extras.h" |
| #include "builtin_functions.h" |
| #include "linker_util.h" |
| #include "main/mtypes.h" |
| #include "program/program.h" |
| |
| static const struct standalone_options *options; |
| |
| static const struct nir_shader_compiler_options nir_vs_options = { 0 }; |
| static const struct nir_shader_compiler_options nir_fs_options = { 0 }; |
| |
| static void |
| initialize_context(struct gl_context *ctx, gl_api api) |
| { |
| initialize_context_to_defaults(ctx, api); |
| _mesa_glsl_builtin_functions_init_or_ref(); |
| |
| ctx->Version = 450; |
| ctx->Const.ShaderCompilerOptions[MESA_SHADER_VERTEX].NirOptions = |
| &nir_fs_options; |
| ctx->Const.ShaderCompilerOptions[MESA_SHADER_FRAGMENT].NirOptions = |
| &nir_vs_options; |
| |
| /* The standalone compiler needs to claim support for almost |
| * everything in order to compile the built-in functions. |
| */ |
| ctx->Const.GLSLVersion = options->glsl_version; |
| ctx->Extensions.ARB_ES3_compatibility = true; |
| ctx->Extensions.ARB_ES3_1_compatibility = true; |
| ctx->Extensions.ARB_ES3_2_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.MaxComputeSharedMemorySize = 32768; |
| ctx->Const.MaxComputeVariableGroupSize[0] = 512; |
| ctx->Const.MaxComputeVariableGroupSize[1] = 512; |
| ctx->Const.MaxComputeVariableGroupSize[2] = 64; |
| ctx->Const.MaxComputeVariableGroupInvocations = 512; |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16; |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024; |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxCombinedUniformComponents = 1024; |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */ |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */ |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicBuffers = 8; |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxAtomicCounters = 8; |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxImageUniforms = 8; |
| ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformBlocks = 12; |
| |
| 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].MaxCombinedUniformComponents = 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].MaxCombinedUniformComponents = 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].MaxCombinedUniformComponents = 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].MaxCombinedUniformComponents = 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.MaxUniformBufferBindings = 84; |
| ctx->Const.MaxVertexStreams = 4; |
| ctx->Const.MaxTransformFeedbackBuffers = 4; |
| |
| 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].MaxCombinedUniformComponents = 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].MaxCombinedUniformComponents = 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: |
| case 400: |
| case 410: |
| case 420: |
| case 430: |
| case 440: |
| case 450: |
| case 460: |
| 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.MaxUniformBufferBindings = 84; |
| ctx->Const.MaxVertexStreams = 4; |
| ctx->Const.MaxTransformFeedbackBuffers = 4; |
| ctx->Const.MaxShaderStorageBufferBindings = 4; |
| ctx->Const.MaxShaderStorageBlockSize = 4096; |
| ctx->Const.MaxAtomicBufferBindings = 4; |
| |
| 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].MaxCombinedUniformComponents = 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].MaxCombinedUniformComponents = 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].MaxCombinedUniformComponents = 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.MaxUniformBufferBindings = 84; |
| ctx->Const.MaxVertexStreams = 4; |
| ctx->Const.MaxTransformFeedbackBuffers = 4; |
| |
| 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].MaxCombinedUniformComponents = 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].MaxCombinedUniformComponents = 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; |
| |
| /* GL_ARB_explicit_uniform_location, GL_MAX_UNIFORM_LOCATIONS */ |
| ctx->Const.MaxUserAssignableUniformLocations = |
| 4 * MESA_SHADER_STAGES * MAX_UNIFORMS; |
| } |
| |
| /* 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) { |
| text = NULL; |
| goto error; |
| } |
| |
| if (bytes == 0) { |
| break; |
| } |
| |
| total_read += bytes; |
| } while (total_read < size); |
| |
| text[total_read] = '\0'; |
| error:; |
| } |
| |
| fclose(fp); |
| |
| return text; |
| } |
| |
| static void |
| compile_shader(struct gl_context *ctx, struct gl_shader *shader) |
| { |
| /* Print out the resulting IR if requested */ |
| FILE *print_file = options->dump_lir ? stdout : NULL; |
| |
| _mesa_glsl_compile_shader(ctx, shader, print_file, options->dump_ast, |
| options->dump_hir, true); |
| } |
| |
| extern "C" struct gl_shader_program * |
| standalone_compile_shader(const struct standalone_options *_options, |
| unsigned num_files, char* const* files, struct gl_context *ctx) |
| { |
| int status = EXIT_SUCCESS; |
| bool glsl_es = false; |
| |
| options = _options; |
| |
| switch (options->glsl_version) { |
| case 100: |
| case 300: |
| case 310: |
| case 320: |
| glsl_es = true; |
| break; |
| case 110: |
| case 120: |
| case 130: |
| case 140: |
| case 150: |
| case 330: |
| case 400: |
| case 410: |
| case 420: |
| case 430: |
| case 440: |
| case 450: |
| case 460: |
| glsl_es = false; |
| break; |
| default: |
| fprintf(stderr, "Unrecognized GLSL version `%d'\n", options->glsl_version); |
| return NULL; |
| } |
| |
| if (glsl_es) { |
| initialize_context(ctx, API_OPENGLES2); |
| } else { |
| initialize_context(ctx, options->glsl_version > 130 ? API_OPENGL_CORE : API_OPENGL_COMPAT); |
| } |
| |
| if (options->lower_precision) { |
| for (unsigned i = MESA_SHADER_VERTEX; i <= MESA_SHADER_COMPUTE; i++) { |
| struct gl_shader_compiler_options *options = |
| &ctx->Const.ShaderCompilerOptions[i]; |
| options->LowerPrecisionFloat16 = true; |
| options->LowerPrecisionInt16 = true; |
| options->LowerPrecisionDerivatives = true; |
| options->LowerPrecisionConstants = true; |
| options->LowerPrecisionFloat16Uniforms = true; |
| } |
| } |
| |
| struct gl_shader_program *whole_program = standalone_create_shader_program(); |
| |
| for (unsigned i = 0; i < num_files; i++) { |
| const unsigned len = strlen(files[i]); |
| if (len < 6) |
| goto fail; |
| |
| const char *const ext = & files[i][len - 5]; |
| /* TODO add support to read a .shader_test */ |
| GLenum type; |
| if (strncmp(".vert", ext, 5) == 0 || strncmp(".glsl", ext, 5) == 0) |
| type = GL_VERTEX_SHADER; |
| else if (strncmp(".tesc", ext, 5) == 0) |
| type = GL_TESS_CONTROL_SHADER; |
| else if (strncmp(".tese", ext, 5) == 0) |
| type = GL_TESS_EVALUATION_SHADER; |
| else if (strncmp(".geom", ext, 5) == 0) |
| type = GL_GEOMETRY_SHADER; |
| else if (strncmp(".frag", ext, 5) == 0) |
| type = GL_FRAGMENT_SHADER; |
| else if (strncmp(".comp", ext, 5) == 0) |
| type = GL_COMPUTE_SHADER; |
| else |
| goto fail; |
| |
| const char *source = load_text_file(whole_program, files[i]); |
| if (source == NULL) { |
| printf("File \"%s\" does not exist.\n", files[i]); |
| exit(EXIT_FAILURE); |
| } |
| |
| struct gl_shader *shader = standalone_add_shader_source(ctx, whole_program, type, source); |
| |
| compile_shader(ctx, shader); |
| |
| if (strlen(shader->InfoLog) > 0) { |
| if (!options->just_log) |
| printf("Info log for %s:\n", files[i]); |
| |
| printf("%s", shader->InfoLog); |
| if (!options->just_log) |
| printf("\n"); |
| } |
| |
| if (!shader->CompileStatus) { |
| status = EXIT_FAILURE; |
| break; |
| } |
| } |
| |
| if (status == EXIT_SUCCESS && options->do_link) { |
| _mesa_clear_shader_program_data(ctx, whole_program); |
| |
| whole_program->data->LinkStatus = LINKING_SUCCESS; |
| link_shaders_init(ctx, whole_program); |
| gl_nir_link_glsl(ctx, whole_program); |
| |
| status = (whole_program->data->LinkStatus) ? EXIT_SUCCESS : EXIT_FAILURE; |
| |
| if (strlen(whole_program->data->InfoLog) > 0) { |
| printf("\n"); |
| if (!options->just_log) |
| printf("Info log for linking:\n"); |
| printf("%s", whole_program->data->InfoLog); |
| if (!options->just_log) |
| printf("\n"); |
| } |
| } |
| |
| return whole_program; |
| |
| fail: |
| for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) { |
| if (whole_program->_LinkedShaders[i]) |
| _mesa_delete_linked_shader(ctx, whole_program->_LinkedShaders[i]); |
| } |
| |
| ralloc_free(whole_program); |
| return NULL; |
| } |
| |
| extern "C" void |
| standalone_compiler_cleanup(struct gl_shader_program *whole_program) |
| { |
| standalone_destroy_shader_program(whole_program); |
| |
| _mesa_glsl_builtin_functions_decref(); |
| } |