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* Copyright © 2011 Intel Corporation
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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/* This file declares stripped-down versions of functions that
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* normally exist outside of the glsl folder, so that they can be used
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* when running the GLSL compiler standalone (for unit testing or
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* compiling builtins).
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#include "standalone_scaffolding.h"
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#include "util/ralloc.h"
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#include "util/strtod.h"
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#include "main/mtypes.h"
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_mesa_warning(struct gl_context *ctx, const char *fmt, ...)
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/* This output is not thread-safe, but that's good enough for the
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* standalone compiler.
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fprintf(stderr, "Mesa warning: ");
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vfprintf(stderr, fmt, vargs);
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fprintf(stderr, "\n");
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_mesa_problem(struct gl_context *ctx, const char *fmt, ...)
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/* This output is not thread-safe, but that's good enough for the
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* standalone compiler.
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fprintf(stderr, "Mesa problem: ");
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vfprintf(stderr, fmt, vargs);
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fprintf(stderr, "\n");
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_mesa_reference_shader_program_data(struct gl_context *ctx,
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struct gl_shader_program_data **ptr,
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struct gl_shader_program_data *data)
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_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
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_mesa_reference_program_(struct gl_context *ctx, struct gl_program **ptr,
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struct gl_program *prog)
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_mesa_shader_debug(struct gl_context *, GLenum, GLuint *,
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_mesa_new_shader(GLuint name, gl_shader_stage stage)
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struct gl_shader *shader;
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assert(stage == MESA_SHADER_FRAGMENT || stage == MESA_SHADER_VERTEX);
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shader = rzalloc(NULL, struct gl_shader);
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shader->Stage = stage;
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shader->RefCount = 1;
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_mesa_program_state_flags(UNUSED const gl_state_index16 state[STATE_LENGTH])
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_mesa_program_state_string(UNUSED const gl_state_index16 state[STATE_LENGTH])
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_mesa_delete_shader(struct gl_context *, struct gl_shader *sh)
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free((void *)sh->Source);
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_mesa_delete_linked_shader(struct gl_context *,
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struct gl_linked_shader *sh)
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ralloc_free(sh->Program);
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_mesa_clear_shader_program_data(struct gl_context *ctx,
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struct gl_shader_program *shProg)
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for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
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if (shProg->_LinkedShaders[i] != NULL) {
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_mesa_delete_linked_shader(ctx, shProg->_LinkedShaders[i]);
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shProg->_LinkedShaders[i] = NULL;
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shProg->data->NumUniformStorage = 0;
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shProg->data->UniformStorage = NULL;
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shProg->NumUniformRemapTable = 0;
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shProg->UniformRemapTable = NULL;
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shProg->UniformHash = NULL;
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ralloc_free(shProg->data->InfoLog);
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shProg->data->InfoLog = ralloc_strdup(shProg->data, "");
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ralloc_free(shProg->data->UniformBlocks);
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shProg->data->UniformBlocks = NULL;
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shProg->data->NumUniformBlocks = 0;
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ralloc_free(shProg->data->ShaderStorageBlocks);
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shProg->data->ShaderStorageBlocks = NULL;
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shProg->data->NumShaderStorageBlocks = 0;
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ralloc_free(shProg->data->AtomicBuffers);
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shProg->data->AtomicBuffers = NULL;
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shProg->data->NumAtomicBuffers = 0;
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void initialize_context_to_defaults(struct gl_context *ctx, gl_api api)
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memset(ctx, 0, sizeof(*ctx));
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ctx->Extensions.dummy_true = true;
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ctx->Extensions.ARB_compute_shader = true;
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ctx->Extensions.ARB_compute_variable_group_size = true;
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ctx->Extensions.ARB_conservative_depth = true;
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ctx->Extensions.ARB_draw_instanced = true;
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ctx->Extensions.ARB_ES2_compatibility = true;
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ctx->Extensions.ARB_ES3_compatibility = true;
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ctx->Extensions.ARB_explicit_attrib_location = true;
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ctx->Extensions.ARB_fragment_coord_conventions = true;
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ctx->Extensions.ARB_fragment_layer_viewport = true;
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ctx->Extensions.ARB_gpu_shader5 = true;
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ctx->Extensions.ARB_gpu_shader_fp64 = true;
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ctx->Extensions.ARB_gpu_shader_int64 = true;
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ctx->Extensions.ARB_sample_shading = true;
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ctx->Extensions.ARB_shader_bit_encoding = true;
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ctx->Extensions.ARB_shader_draw_parameters = true;
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ctx->Extensions.ARB_shader_stencil_export = true;
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ctx->Extensions.ARB_shader_texture_lod = true;
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ctx->Extensions.ARB_shading_language_420pack = true;
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ctx->Extensions.ARB_shading_language_packing = true;
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ctx->Extensions.ARB_tessellation_shader = true;
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ctx->Extensions.ARB_texture_cube_map_array = true;
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ctx->Extensions.ARB_texture_gather = true;
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ctx->Extensions.ARB_texture_multisample = true;
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ctx->Extensions.ARB_texture_query_levels = true;
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ctx->Extensions.ARB_texture_query_lod = true;
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ctx->Extensions.ARB_uniform_buffer_object = true;
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ctx->Extensions.ARB_viewport_array = true;
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ctx->Extensions.ARB_cull_distance = true;
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ctx->Extensions.ARB_bindless_texture = true;
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ctx->Extensions.OES_EGL_image_external = true;
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ctx->Extensions.OES_standard_derivatives = true;
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ctx->Extensions.EXT_gpu_shader4 = true;
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ctx->Extensions.EXT_shader_integer_mix = true;
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ctx->Extensions.EXT_texture_array = true;
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ctx->Extensions.MESA_shader_integer_functions = true;
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ctx->Extensions.NV_texture_rectangle = true;
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ctx->Const.GLSLVersion = 120;
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ctx->Const.MaxLights = 8;
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ctx->Const.MaxClipPlanes = 6;
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ctx->Const.MaxTextureUnits = 2;
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ctx->Const.MaxTextureCoordUnits = 2;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxAttribs = 16;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxUniformComponents = 512;
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxOutputComponents = 32;
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ctx->Const.MaxVarying = 8; /* == gl_MaxVaryingFloats / 4 */
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ctx->Const.Program[MESA_SHADER_VERTEX].MaxTextureImageUnits = 0;
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ctx->Const.MaxCombinedTextureImageUnits = 2;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits = 2;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxUniformComponents = 64;
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ctx->Const.Program[MESA_SHADER_FRAGMENT].MaxInputComponents = 32;
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ctx->Const.MaxDrawBuffers = 1;
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ctx->Const.MaxComputeWorkGroupCount[0] = 65535;
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ctx->Const.MaxComputeWorkGroupCount[1] = 65535;
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ctx->Const.MaxComputeWorkGroupCount[2] = 65535;
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ctx->Const.MaxComputeWorkGroupSize[0] = 1024;
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ctx->Const.MaxComputeWorkGroupSize[1] = 1024;
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ctx->Const.MaxComputeWorkGroupSize[2] = 64;
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ctx->Const.MaxComputeWorkGroupInvocations = 1024;
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ctx->Const.MaxComputeVariableGroupSize[0] = 512;
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ctx->Const.MaxComputeVariableGroupSize[1] = 512;
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ctx->Const.MaxComputeVariableGroupSize[2] = 64;
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ctx->Const.MaxComputeVariableGroupInvocations = 512;
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ctx->Const.Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits = 16;
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ctx->Const.Program[MESA_SHADER_COMPUTE].MaxUniformComponents = 1024;
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ctx->Const.Program[MESA_SHADER_COMPUTE].MaxInputComponents = 0; /* not used */
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ctx->Const.Program[MESA_SHADER_COMPUTE].MaxOutputComponents = 0; /* not used */
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/* Set up default shader compiler options. */
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struct gl_shader_compiler_options options;
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memset(&options, 0, sizeof(options));
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options.MaxUnrollIterations = 32;
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options.MaxIfDepth = UINT_MAX;
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for (int sh = 0; sh < MESA_SHADER_STAGES; ++sh)
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memcpy(&ctx->Const.ShaderCompilerOptions[sh], &options, sizeof(options));