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additional lib for vulkan

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CatChow0
2025-03-22 14:52:39 +01:00
parent 648fc887d6
commit e991d069fe
1067 changed files with 654174 additions and 144384 deletions
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enginecustom/include/Vulkan/Include/shaderc/env.h Normal file
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// Copyright 2018 The Shaderc Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SHADERC_ENV_H_
#define SHADERC_ENV_H_
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
shaderc_target_env_vulkan, // SPIR-V under Vulkan semantics
shaderc_target_env_opengl, // SPIR-V under OpenGL semantics
// NOTE: SPIR-V code generation is not supported for shaders under OpenGL
// compatibility profile.
shaderc_target_env_opengl_compat, // SPIR-V under OpenGL semantics,
// including compatibility profile
// functions
shaderc_target_env_webgpu, // Deprecated, SPIR-V under WebGPU
// semantics
shaderc_target_env_default = shaderc_target_env_vulkan
} shaderc_target_env;
typedef enum {
// For Vulkan, use Vulkan's mapping of version numbers to integers.
// See vulkan.h
shaderc_env_version_vulkan_1_0 = ((1u << 22)),
shaderc_env_version_vulkan_1_1 = ((1u << 22) | (1 << 12)),
shaderc_env_version_vulkan_1_2 = ((1u << 22) | (2 << 12)),
shaderc_env_version_vulkan_1_3 = ((1u << 22) | (3 << 12)),
shaderc_env_version_vulkan_1_4 = ((1u << 22) | (4 << 12)),
// For OpenGL, use the number from #version in shaders.
// TODO(dneto): Currently no difference between OpenGL 4.5 and 4.6.
// See glslang/Standalone/Standalone.cpp
// TODO(dneto): Glslang doesn't accept a OpenGL client version of 460.
shaderc_env_version_opengl_4_5 = 450,
shaderc_env_version_webgpu, // Deprecated, WebGPU env never defined versions
} shaderc_env_version;
// The known versions of SPIR-V.
typedef enum {
// Use the values used for word 1 of a SPIR-V binary:
// - bits 24 to 31: zero
// - bits 16 to 23: major version number
// - bits 8 to 15: minor version number
// - bits 0 to 7: zero
shaderc_spirv_version_1_0 = 0x010000u,
shaderc_spirv_version_1_1 = 0x010100u,
shaderc_spirv_version_1_2 = 0x010200u,
shaderc_spirv_version_1_3 = 0x010300u,
shaderc_spirv_version_1_4 = 0x010400u,
shaderc_spirv_version_1_5 = 0x010500u,
shaderc_spirv_version_1_6 = 0x010600u
} shaderc_spirv_version;
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // SHADERC_ENV_H_

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enginecustom/include/Vulkan/Include/shaderc/shaderc.h Normal file
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// Copyright 2015 The Shaderc Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SHADERC_SHADERC_H_
#define SHADERC_SHADERC_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "shaderc/env.h"
#include "shaderc/status.h"
#include "shaderc/visibility.h"
// Source language kind.
typedef enum {
shaderc_source_language_glsl,
shaderc_source_language_hlsl,
} shaderc_source_language;
typedef enum {
// Forced shader kinds. These shader kinds force the compiler to compile the
// source code as the specified kind of shader.
shaderc_vertex_shader,
shaderc_fragment_shader,
shaderc_compute_shader,
shaderc_geometry_shader,
shaderc_tess_control_shader,
shaderc_tess_evaluation_shader,
shaderc_glsl_vertex_shader = shaderc_vertex_shader,
shaderc_glsl_fragment_shader = shaderc_fragment_shader,
shaderc_glsl_compute_shader = shaderc_compute_shader,
shaderc_glsl_geometry_shader = shaderc_geometry_shader,
shaderc_glsl_tess_control_shader = shaderc_tess_control_shader,
shaderc_glsl_tess_evaluation_shader = shaderc_tess_evaluation_shader,
// Deduce the shader kind from #pragma annotation in the source code. Compiler
// will emit error if #pragma annotation is not found.
shaderc_glsl_infer_from_source,
// Default shader kinds. Compiler will fall back to compile the source code as
// the specified kind of shader when #pragma annotation is not found in the
// source code.
shaderc_glsl_default_vertex_shader,
shaderc_glsl_default_fragment_shader,
shaderc_glsl_default_compute_shader,
shaderc_glsl_default_geometry_shader,
shaderc_glsl_default_tess_control_shader,
shaderc_glsl_default_tess_evaluation_shader,
shaderc_spirv_assembly,
shaderc_raygen_shader,
shaderc_anyhit_shader,
shaderc_closesthit_shader,
shaderc_miss_shader,
shaderc_intersection_shader,
shaderc_callable_shader,
shaderc_glsl_raygen_shader = shaderc_raygen_shader,
shaderc_glsl_anyhit_shader = shaderc_anyhit_shader,
shaderc_glsl_closesthit_shader = shaderc_closesthit_shader,
shaderc_glsl_miss_shader = shaderc_miss_shader,
shaderc_glsl_intersection_shader = shaderc_intersection_shader,
shaderc_glsl_callable_shader = shaderc_callable_shader,
shaderc_glsl_default_raygen_shader,
shaderc_glsl_default_anyhit_shader,
shaderc_glsl_default_closesthit_shader,
shaderc_glsl_default_miss_shader,
shaderc_glsl_default_intersection_shader,
shaderc_glsl_default_callable_shader,
shaderc_task_shader,
shaderc_mesh_shader,
shaderc_glsl_task_shader = shaderc_task_shader,
shaderc_glsl_mesh_shader = shaderc_mesh_shader,
shaderc_glsl_default_task_shader,
shaderc_glsl_default_mesh_shader,
} shaderc_shader_kind;
typedef enum {
shaderc_profile_none, // Used if and only if GLSL version did not specify
// profiles.
shaderc_profile_core,
shaderc_profile_compatibility, // Disabled. This generates an error
shaderc_profile_es,
} shaderc_profile;
// Optimization level.
typedef enum {
shaderc_optimization_level_zero, // no optimization
shaderc_optimization_level_size, // optimize towards reducing code size
shaderc_optimization_level_performance, // optimize towards performance
} shaderc_optimization_level;
// Resource limits.
typedef enum {
shaderc_limit_max_lights,
shaderc_limit_max_clip_planes,
shaderc_limit_max_texture_units,
shaderc_limit_max_texture_coords,
shaderc_limit_max_vertex_attribs,
shaderc_limit_max_vertex_uniform_components,
shaderc_limit_max_varying_floats,
shaderc_limit_max_vertex_texture_image_units,
shaderc_limit_max_combined_texture_image_units,
shaderc_limit_max_texture_image_units,
shaderc_limit_max_fragment_uniform_components,
shaderc_limit_max_draw_buffers,
shaderc_limit_max_vertex_uniform_vectors,
shaderc_limit_max_varying_vectors,
shaderc_limit_max_fragment_uniform_vectors,
shaderc_limit_max_vertex_output_vectors,
shaderc_limit_max_fragment_input_vectors,
shaderc_limit_min_program_texel_offset,
shaderc_limit_max_program_texel_offset,
shaderc_limit_max_clip_distances,
shaderc_limit_max_compute_work_group_count_x,
shaderc_limit_max_compute_work_group_count_y,
shaderc_limit_max_compute_work_group_count_z,
shaderc_limit_max_compute_work_group_size_x,
shaderc_limit_max_compute_work_group_size_y,
shaderc_limit_max_compute_work_group_size_z,
shaderc_limit_max_compute_uniform_components,
shaderc_limit_max_compute_texture_image_units,
shaderc_limit_max_compute_image_uniforms,
shaderc_limit_max_compute_atomic_counters,
shaderc_limit_max_compute_atomic_counter_buffers,
shaderc_limit_max_varying_components,
shaderc_limit_max_vertex_output_components,
shaderc_limit_max_geometry_input_components,
shaderc_limit_max_geometry_output_components,
shaderc_limit_max_fragment_input_components,
shaderc_limit_max_image_units,
shaderc_limit_max_combined_image_units_and_fragment_outputs,
shaderc_limit_max_combined_shader_output_resources,
shaderc_limit_max_image_samples,
shaderc_limit_max_vertex_image_uniforms,
shaderc_limit_max_tess_control_image_uniforms,
shaderc_limit_max_tess_evaluation_image_uniforms,
shaderc_limit_max_geometry_image_uniforms,
shaderc_limit_max_fragment_image_uniforms,
shaderc_limit_max_combined_image_uniforms,
shaderc_limit_max_geometry_texture_image_units,
shaderc_limit_max_geometry_output_vertices,
shaderc_limit_max_geometry_total_output_components,
shaderc_limit_max_geometry_uniform_components,
shaderc_limit_max_geometry_varying_components,
shaderc_limit_max_tess_control_input_components,
shaderc_limit_max_tess_control_output_components,
shaderc_limit_max_tess_control_texture_image_units,
shaderc_limit_max_tess_control_uniform_components,
shaderc_limit_max_tess_control_total_output_components,
shaderc_limit_max_tess_evaluation_input_components,
shaderc_limit_max_tess_evaluation_output_components,
shaderc_limit_max_tess_evaluation_texture_image_units,
shaderc_limit_max_tess_evaluation_uniform_components,
shaderc_limit_max_tess_patch_components,
shaderc_limit_max_patch_vertices,
shaderc_limit_max_tess_gen_level,
shaderc_limit_max_viewports,
shaderc_limit_max_vertex_atomic_counters,
shaderc_limit_max_tess_control_atomic_counters,
shaderc_limit_max_tess_evaluation_atomic_counters,
shaderc_limit_max_geometry_atomic_counters,
shaderc_limit_max_fragment_atomic_counters,
shaderc_limit_max_combined_atomic_counters,
shaderc_limit_max_atomic_counter_bindings,
shaderc_limit_max_vertex_atomic_counter_buffers,
shaderc_limit_max_tess_control_atomic_counter_buffers,
shaderc_limit_max_tess_evaluation_atomic_counter_buffers,
shaderc_limit_max_geometry_atomic_counter_buffers,
shaderc_limit_max_fragment_atomic_counter_buffers,
shaderc_limit_max_combined_atomic_counter_buffers,
shaderc_limit_max_atomic_counter_buffer_size,
shaderc_limit_max_transform_feedback_buffers,
shaderc_limit_max_transform_feedback_interleaved_components,
shaderc_limit_max_cull_distances,
shaderc_limit_max_combined_clip_and_cull_distances,
shaderc_limit_max_samples,
shaderc_limit_max_mesh_output_vertices_nv,
shaderc_limit_max_mesh_output_primitives_nv,
shaderc_limit_max_mesh_work_group_size_x_nv,
shaderc_limit_max_mesh_work_group_size_y_nv,
shaderc_limit_max_mesh_work_group_size_z_nv,
shaderc_limit_max_task_work_group_size_x_nv,
shaderc_limit_max_task_work_group_size_y_nv,
shaderc_limit_max_task_work_group_size_z_nv,
shaderc_limit_max_mesh_view_count_nv,
shaderc_limit_max_mesh_output_vertices_ext,
shaderc_limit_max_mesh_output_primitives_ext,
shaderc_limit_max_mesh_work_group_size_x_ext,
shaderc_limit_max_mesh_work_group_size_y_ext,
shaderc_limit_max_mesh_work_group_size_z_ext,
shaderc_limit_max_task_work_group_size_x_ext,
shaderc_limit_max_task_work_group_size_y_ext,
shaderc_limit_max_task_work_group_size_z_ext,
shaderc_limit_max_mesh_view_count_ext,
shaderc_limit_max_dual_source_draw_buffers_ext,
} shaderc_limit;
// Uniform resource kinds.
// In Vulkan, uniform resources are bound to the pipeline via descriptors
// with numbered bindings and sets.
typedef enum {
// Image and image buffer.
shaderc_uniform_kind_image,
// Pure sampler.
shaderc_uniform_kind_sampler,
// Sampled texture in GLSL, and Shader Resource View in HLSL.
shaderc_uniform_kind_texture,
// Uniform Buffer Object (UBO) in GLSL. Cbuffer in HLSL.
shaderc_uniform_kind_buffer,
// Shader Storage Buffer Object (SSBO) in GLSL.
shaderc_uniform_kind_storage_buffer,
// Unordered Access View, in HLSL. (Writable storage image or storage
// buffer.)
shaderc_uniform_kind_unordered_access_view,
} shaderc_uniform_kind;
// Usage examples:
//
// Aggressively release compiler resources, but spend time in initialization
// for each new use.
// shaderc_compiler_t compiler = shaderc_compiler_initialize();
// shaderc_compilation_result_t result = shaderc_compile_into_spv(
// compiler, "#version 450\nvoid main() {}", 27,
// shaderc_glsl_vertex_shader, "main.vert", "main", nullptr);
// // Do stuff with compilation results.
// shaderc_result_release(result);
// shaderc_compiler_release(compiler);
//
// Keep the compiler object around for a long time, but pay for extra space
// occupied.
// shaderc_compiler_t compiler = shaderc_compiler_initialize();
// // On the same, other or multiple simultaneous threads.
// shaderc_compilation_result_t result = shaderc_compile_into_spv(
// compiler, "#version 450\nvoid main() {}", 27,
// shaderc_glsl_vertex_shader, "main.vert", "main", nullptr);
// // Do stuff with compilation results.
// shaderc_result_release(result);
// // Once no more compilations are to happen.
// shaderc_compiler_release(compiler);
// An opaque handle to an object that manages all compiler state.
typedef struct shaderc_compiler* shaderc_compiler_t;
// Returns a shaderc_compiler_t that can be used to compile modules.
// A return of NULL indicates that there was an error initializing the compiler.
// Any function operating on shaderc_compiler_t must offer the basic
// thread-safety guarantee.
// [http://herbsutter.com/2014/01/13/gotw-95-solution-thread-safety-and-synchronization/]
// That is: concurrent invocation of these functions on DIFFERENT objects needs
// no synchronization; concurrent invocation of these functions on the SAME
// object requires synchronization IF AND ONLY IF some of them take a non-const
// argument.
SHADERC_EXPORT shaderc_compiler_t shaderc_compiler_initialize(void);
// Releases the resources held by the shaderc_compiler_t.
// After this call it is invalid to make any future calls to functions
// involving this shaderc_compiler_t.
SHADERC_EXPORT void shaderc_compiler_release(shaderc_compiler_t);
// An opaque handle to an object that manages options to a single compilation
// result.
typedef struct shaderc_compile_options* shaderc_compile_options_t;
// Returns a default-initialized shaderc_compile_options_t that can be used
// to modify the functionality of a compiled module.
// A return of NULL indicates that there was an error initializing the options.
// Any function operating on shaderc_compile_options_t must offer the
// basic thread-safety guarantee.
SHADERC_EXPORT shaderc_compile_options_t
shaderc_compile_options_initialize(void);
// Returns a copy of the given shaderc_compile_options_t.
// If NULL is passed as the parameter the call is the same as
// shaderc_compile_options_init.
SHADERC_EXPORT shaderc_compile_options_t shaderc_compile_options_clone(
const shaderc_compile_options_t options);
// Releases the compilation options. It is invalid to use the given
// shaderc_compile_options_t object in any future calls. It is safe to pass
// NULL to this function, and doing such will have no effect.
SHADERC_EXPORT void shaderc_compile_options_release(
shaderc_compile_options_t options);
// Adds a predefined macro to the compilation options. This has the same
// effect as passing -Dname=value to the command-line compiler. If value
// is NULL, it has the same effect as passing -Dname to the command-line
// compiler. If a macro definition with the same name has previously been
// added, the value is replaced with the new value. The macro name and
// value are passed in with char pointers, which point to their data, and
// the lengths of their data. The strings that the name and value pointers
// point to must remain valid for the duration of the call, but can be
// modified or deleted after this function has returned. In case of adding
// a valueless macro, the value argument should be a null pointer or the
// value_length should be 0u.
SHADERC_EXPORT void shaderc_compile_options_add_macro_definition(
shaderc_compile_options_t options, const char* name, size_t name_length,
const char* value, size_t value_length);
// Sets the source language. The default is GLSL.
SHADERC_EXPORT void shaderc_compile_options_set_source_language(
shaderc_compile_options_t options, shaderc_source_language lang);
// Sets the compiler mode to generate debug information in the output.
SHADERC_EXPORT void shaderc_compile_options_set_generate_debug_info(
shaderc_compile_options_t options);
// Sets the compiler optimization level to the given level. Only the last one
// takes effect if multiple calls of this function exist.
SHADERC_EXPORT void shaderc_compile_options_set_optimization_level(
shaderc_compile_options_t options, shaderc_optimization_level level);
// Forces the GLSL language version and profile to a given pair. The version
// number is the same as would appear in the #version annotation in the source.
// Version and profile specified here overrides the #version annotation in the
// source. Use profile: 'shaderc_profile_none' for GLSL versions that do not
// define profiles, e.g. versions below 150.
SHADERC_EXPORT void shaderc_compile_options_set_forced_version_profile(
shaderc_compile_options_t options, int version, shaderc_profile profile);
// Source text inclusion via #include is supported with a pair of callbacks
// to an "includer" on the client side. The first callback processes an
// inclusion request, and returns an include result. The includer owns
// the contents of the result, and those contents must remain valid until the
// second callback is invoked to release the result. Both callbacks take a
// user_data argument to specify the client context.
// To return an error, set the source_name to an empty string and put your
// error message in content.
// An include result.
typedef struct shaderc_include_result {
// The name of the source file. The name should be fully resolved
// in the sense that it should be a unique name in the context of the
// includer. For example, if the includer maps source names to files in
// a filesystem, then this name should be the absolute path of the file.
// For a failed inclusion, this string is empty.
const char* source_name;
size_t source_name_length;
// The text contents of the source file in the normal case.
// For a failed inclusion, this contains the error message.
const char* content;
size_t content_length;
// User data to be passed along with this request.
void* user_data;
} shaderc_include_result;
// The kinds of include requests.
enum shaderc_include_type {
shaderc_include_type_relative, // E.g. #include "source"
shaderc_include_type_standard // E.g. #include <source>
};
// An includer callback type for mapping an #include request to an include
// result. The user_data parameter specifies the client context. The
// requested_source parameter specifies the name of the source being requested.
// The type parameter specifies the kind of inclusion request being made.
// The requesting_source parameter specifies the name of the source containing
// the #include request. The includer owns the result object and its contents,
// and both must remain valid until the release callback is called on the result
// object.
typedef shaderc_include_result* (*shaderc_include_resolve_fn)(
void* user_data, const char* requested_source, int type,
const char* requesting_source, size_t include_depth);
// An includer callback type for destroying an include result.
typedef void (*shaderc_include_result_release_fn)(
void* user_data, shaderc_include_result* include_result);
// Sets includer callback functions.
SHADERC_EXPORT void shaderc_compile_options_set_include_callbacks(
shaderc_compile_options_t options, shaderc_include_resolve_fn resolver,
shaderc_include_result_release_fn result_releaser, void* user_data);
// Sets the compiler mode to suppress warnings, overriding warnings-as-errors
// mode. When both suppress-warnings and warnings-as-errors modes are
// turned on, warning messages will be inhibited, and will not be emitted
// as error messages.
SHADERC_EXPORT void shaderc_compile_options_set_suppress_warnings(
shaderc_compile_options_t options);
// Sets the target shader environment, affecting which warnings or errors will
// be issued. The version will be for distinguishing between different versions
// of the target environment. The version value should be either 0 or
// a value listed in shaderc_env_version. The 0 value maps to Vulkan 1.0 if
// |target| is Vulkan, and it maps to OpenGL 4.5 if |target| is OpenGL.
SHADERC_EXPORT void shaderc_compile_options_set_target_env(
shaderc_compile_options_t options,
shaderc_target_env target,
uint32_t version);
// Sets the target SPIR-V version. The generated module will use this version
// of SPIR-V. Each target environment determines what versions of SPIR-V
// it can consume. Defaults to the highest version of SPIR-V 1.0 which is
// required to be supported by the target environment. E.g. Default to SPIR-V
// 1.0 for Vulkan 1.0 and SPIR-V 1.3 for Vulkan 1.1.
SHADERC_EXPORT void shaderc_compile_options_set_target_spirv(
shaderc_compile_options_t options, shaderc_spirv_version version);
// Sets the compiler mode to treat all warnings as errors. Note the
// suppress-warnings mode overrides this option, i.e. if both
// warning-as-errors and suppress-warnings modes are set, warnings will not
// be emitted as error messages.
SHADERC_EXPORT void shaderc_compile_options_set_warnings_as_errors(
shaderc_compile_options_t options);
// Sets a resource limit.
SHADERC_EXPORT void shaderc_compile_options_set_limit(
shaderc_compile_options_t options, shaderc_limit limit, int value);
// Sets whether the compiler should automatically assign bindings to uniforms
// that aren't already explicitly bound in the shader source.
SHADERC_EXPORT void shaderc_compile_options_set_auto_bind_uniforms(
shaderc_compile_options_t options, bool auto_bind);
// Sets whether the compiler should automatically remove sampler variables
// and convert image variables to combined image-sampler variables.
SHADERC_EXPORT void shaderc_compile_options_set_auto_combined_image_sampler(
shaderc_compile_options_t options, bool upgrade);
// Sets whether the compiler should use HLSL IO mapping rules for bindings.
// Defaults to false.
SHADERC_EXPORT void shaderc_compile_options_set_hlsl_io_mapping(
shaderc_compile_options_t options, bool hlsl_iomap);
// Sets whether the compiler should determine block member offsets using HLSL
// packing rules instead of standard GLSL rules. Defaults to false. Only
// affects GLSL compilation. HLSL rules are always used when compiling HLSL.
SHADERC_EXPORT void shaderc_compile_options_set_hlsl_offsets(
shaderc_compile_options_t options, bool hlsl_offsets);
// Sets the base binding number used for for a uniform resource type when
// automatically assigning bindings. For GLSL compilation, sets the lowest
// automatically assigned number. For HLSL compilation, the regsiter number
// assigned to the resource is added to this specified base.
SHADERC_EXPORT void shaderc_compile_options_set_binding_base(
shaderc_compile_options_t options,
shaderc_uniform_kind kind,
uint32_t base);
// Like shaderc_compile_options_set_binding_base, but only takes effect when
// compiling a given shader stage. The stage is assumed to be one of vertex,
// fragment, tessellation evaluation, tesselation control, geometry, or compute.
SHADERC_EXPORT void shaderc_compile_options_set_binding_base_for_stage(
shaderc_compile_options_t options, shaderc_shader_kind shader_kind,
shaderc_uniform_kind kind, uint32_t base);
// Sets whether the compiler should preserve all bindings, even when those
// bindings are not used.
SHADERC_EXPORT void shaderc_compile_options_set_preserve_bindings(
shaderc_compile_options_t options, bool preserve_bindings);
// Sets whether the compiler should automatically assign locations to
// uniform variables that don't have explicit locations in the shader source.
SHADERC_EXPORT void shaderc_compile_options_set_auto_map_locations(
shaderc_compile_options_t options, bool auto_map);
// Sets a descriptor set and binding for an HLSL register in the given stage.
// This method keeps a copy of the string data.
SHADERC_EXPORT void shaderc_compile_options_set_hlsl_register_set_and_binding_for_stage(
shaderc_compile_options_t options, shaderc_shader_kind shader_kind,
const char* reg, const char* set, const char* binding);
// Like shaderc_compile_options_set_hlsl_register_set_and_binding_for_stage,
// but affects all shader stages.
SHADERC_EXPORT void shaderc_compile_options_set_hlsl_register_set_and_binding(
shaderc_compile_options_t options, const char* reg, const char* set,
const char* binding);
// Sets whether the compiler should enable extension
// SPV_GOOGLE_hlsl_functionality1.
SHADERC_EXPORT void shaderc_compile_options_set_hlsl_functionality1(
shaderc_compile_options_t options, bool enable);
// Sets whether 16-bit types are supported in HLSL or not.
SHADERC_EXPORT void shaderc_compile_options_set_hlsl_16bit_types(
shaderc_compile_options_t options, bool enable);
// Enables or disables relaxed Vulkan rules.
//
// This allows most OpenGL shaders to compile under Vulkan semantics.
SHADERC_EXPORT void shaderc_compile_options_set_vulkan_rules_relaxed(
shaderc_compile_options_t options, bool enable);
// Sets whether the compiler should invert position.Y output in vertex shader.
SHADERC_EXPORT void shaderc_compile_options_set_invert_y(
shaderc_compile_options_t options, bool enable);
// Sets whether the compiler generates code for max and min builtins which,
// if given a NaN operand, will return the other operand. Similarly, the clamp
// builtin will favour the non-NaN operands, as if clamp were implemented
// as a composition of max and min.
SHADERC_EXPORT void shaderc_compile_options_set_nan_clamp(
shaderc_compile_options_t options, bool enable);
// An opaque handle to the results of a call to any shaderc_compile_into_*()
// function.
typedef struct shaderc_compilation_result* shaderc_compilation_result_t;
// Takes a GLSL source string and the associated shader kind, input file
// name, compiles it according to the given additional_options. If the shader
// kind is not set to a specified kind, but shaderc_glslc_infer_from_source,
// the compiler will try to deduce the shader kind from the source
// string and a failure in deducing will generate an error. Currently only
// #pragma annotation is supported. If the shader kind is set to one of the
// default shader kinds, the compiler will fall back to the default shader
// kind in case it failed to deduce the shader kind from source string.
// The input_file_name is a null-termintated string. It is used as a tag to
// identify the source string in cases like emitting error messages. It
// doesn't have to be a 'file name'.
// The source string will be compiled into SPIR-V binary and a
// shaderc_compilation_result will be returned to hold the results.
// The entry_point_name null-terminated string defines the name of the entry
// point to associate with this GLSL source. If the additional_options
// parameter is not null, then the compilation is modified by any options
// present. May be safely called from multiple threads without explicit
// synchronization. If there was failure in allocating the compiler object,
// null will be returned.
SHADERC_EXPORT shaderc_compilation_result_t shaderc_compile_into_spv(
const shaderc_compiler_t compiler, const char* source_text,
size_t source_text_size, shaderc_shader_kind shader_kind,
const char* input_file_name, const char* entry_point_name,
const shaderc_compile_options_t additional_options);
// Like shaderc_compile_into_spv, but the result contains SPIR-V assembly text
// instead of a SPIR-V binary module. The SPIR-V assembly syntax is as defined
// by the SPIRV-Tools open source project.
SHADERC_EXPORT shaderc_compilation_result_t shaderc_compile_into_spv_assembly(
const shaderc_compiler_t compiler, const char* source_text,
size_t source_text_size, shaderc_shader_kind shader_kind,
const char* input_file_name, const char* entry_point_name,
const shaderc_compile_options_t additional_options);
// Like shaderc_compile_into_spv, but the result contains preprocessed source
// code instead of a SPIR-V binary module
SHADERC_EXPORT shaderc_compilation_result_t shaderc_compile_into_preprocessed_text(
const shaderc_compiler_t compiler, const char* source_text,
size_t source_text_size, shaderc_shader_kind shader_kind,
const char* input_file_name, const char* entry_point_name,
const shaderc_compile_options_t additional_options);
// Takes an assembly string of the format defined in the SPIRV-Tools project
// (https://github.com/KhronosGroup/SPIRV-Tools/blob/master/syntax.md),
// assembles it into SPIR-V binary and a shaderc_compilation_result will be
// returned to hold the results.
// The assembling will pick options suitable for assembling specified in the
// additional_options parameter.
// May be safely called from multiple threads without explicit synchronization.
// If there was failure in allocating the compiler object, null will be
// returned.
SHADERC_EXPORT shaderc_compilation_result_t shaderc_assemble_into_spv(
const shaderc_compiler_t compiler, const char* source_assembly,
size_t source_assembly_size,
const shaderc_compile_options_t additional_options);
// The following functions, operating on shaderc_compilation_result_t objects,
// offer only the basic thread-safety guarantee.
// Releases the resources held by the result object. It is invalid to use the
// result object for any further operations.
SHADERC_EXPORT void shaderc_result_release(shaderc_compilation_result_t result);
// Returns the number of bytes of the compilation output data in a result
// object.
SHADERC_EXPORT size_t shaderc_result_get_length(const shaderc_compilation_result_t result);
// Returns the number of warnings generated during the compilation.
SHADERC_EXPORT size_t shaderc_result_get_num_warnings(
const shaderc_compilation_result_t result);
// Returns the number of errors generated during the compilation.
SHADERC_EXPORT size_t shaderc_result_get_num_errors(const shaderc_compilation_result_t result);
// Returns the compilation status, indicating whether the compilation succeeded,
// or failed due to some reasons, like invalid shader stage or compilation
// errors.
SHADERC_EXPORT shaderc_compilation_status shaderc_result_get_compilation_status(
const shaderc_compilation_result_t);
// Returns a pointer to the start of the compilation output data bytes, either
// SPIR-V binary or char string. When the source string is compiled into SPIR-V
// binary, this is guaranteed to be castable to a uint32_t*. If the result
// contains assembly text or preprocessed source text, the pointer will point to
// the resulting array of characters.
SHADERC_EXPORT const char* shaderc_result_get_bytes(const shaderc_compilation_result_t result);
// Returns a null-terminated string that contains any error messages generated
// during the compilation.
SHADERC_EXPORT const char* shaderc_result_get_error_message(
const shaderc_compilation_result_t result);
// Provides the version & revision of the SPIR-V which will be produced
SHADERC_EXPORT void shaderc_get_spv_version(unsigned int* version, unsigned int* revision);
// Parses the version and profile from a given null-terminated string
// containing both version and profile, like: '450core'. Returns false if
// the string can not be parsed. Returns true when the parsing succeeds. The
// parsed version and profile are returned through arguments.
SHADERC_EXPORT bool shaderc_parse_version_profile(const char* str, int* version,
shaderc_profile* profile);
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // SHADERC_SHADERC_H_

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// Copyright 2015 The Shaderc Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SHADERC_SHADERC_HPP_
#define SHADERC_SHADERC_HPP_
#include <memory>
#include <string>
#include <vector>
#include "shaderc.h"
namespace shaderc {
// A CompilationResult contains the compiler output, compilation status,
// and messages.
//
// The compiler output is stored as an array of elements and accessed
// via random access iterators provided by cbegin() and cend(). The iterators
// are contiguous in the sense of "Contiguous Iterators: A Refinement of
// Random Access Iterators", Nevin Liber, C++ Library Evolution Working
// Group Working Paper N3884.
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3884.pdf
//
// Methods begin() and end() are also provided to enable range-based for.
// They are synonyms to cbegin() and cend(), respectively.
template <typename OutputElementType>
class CompilationResult {
public:
typedef OutputElementType element_type;
// The type used to describe the begin and end iterators on the
// compiler output.
typedef const OutputElementType* const_iterator;
// Upon creation, the CompilationResult takes ownership of the
// shaderc_compilation_result instance. During destruction of the
// CompilationResult, the shaderc_compilation_result will be released.
explicit CompilationResult(shaderc_compilation_result_t compilation_result)
: compilation_result_(compilation_result) {}
CompilationResult() : compilation_result_(nullptr) {}
~CompilationResult() { shaderc_result_release(compilation_result_); }
CompilationResult(CompilationResult&& other) : compilation_result_(nullptr) {
*this = std::move(other);
}
CompilationResult& operator=(CompilationResult&& other) {
if (compilation_result_) {
shaderc_result_release(compilation_result_);
}
compilation_result_ = other.compilation_result_;
other.compilation_result_ = nullptr;
return *this;
}
// Returns any error message found during compilation.
std::string GetErrorMessage() const {
if (!compilation_result_) {
return "";
}
return shaderc_result_get_error_message(compilation_result_);
}
// Returns the compilation status, indicating whether the compilation
// succeeded, or failed due to some reasons, like invalid shader stage or
// compilation errors.
shaderc_compilation_status GetCompilationStatus() const {
if (!compilation_result_) {
return shaderc_compilation_status_null_result_object;
}
return shaderc_result_get_compilation_status(compilation_result_);
}
// Returns a random access (contiguous) iterator pointing to the start
// of the compilation output. It is valid for the lifetime of this object.
// If there is no compilation result, then returns nullptr.
const_iterator cbegin() const {
if (!compilation_result_) return nullptr;
return reinterpret_cast<const_iterator>(
shaderc_result_get_bytes(compilation_result_));
}
// Returns a random access (contiguous) iterator pointing to the end of
// the compilation output. It is valid for the lifetime of this object.
// If there is no compilation result, then returns nullptr.
const_iterator cend() const {
if (!compilation_result_) return nullptr;
return cbegin() +
shaderc_result_get_length(compilation_result_) /
sizeof(OutputElementType);
}
// Returns the same iterator as cbegin().
const_iterator begin() const { return cbegin(); }
// Returns the same iterator as cend().
const_iterator end() const { return cend(); }
// Returns the number of warnings generated during the compilation.
size_t GetNumWarnings() const {
if (!compilation_result_) {
return 0;
}
return shaderc_result_get_num_warnings(compilation_result_);
}
// Returns the number of errors generated during the compilation.
size_t GetNumErrors() const {
if (!compilation_result_) {
return 0;
}
return shaderc_result_get_num_errors(compilation_result_);
}
private:
CompilationResult(const CompilationResult& other) = delete;
CompilationResult& operator=(const CompilationResult& other) = delete;
shaderc_compilation_result_t compilation_result_;
};
// A compilation result for a SPIR-V binary module, which is an array
// of uint32_t words.
using SpvCompilationResult = CompilationResult<uint32_t>;
// A compilation result in SPIR-V assembly syntax.
using AssemblyCompilationResult = CompilationResult<char>;
// Preprocessed source text.
using PreprocessedSourceCompilationResult = CompilationResult<char>;
// Contains any options that can have default values for a compilation.
class CompileOptions {
public:
CompileOptions() { options_ = shaderc_compile_options_initialize(); }
~CompileOptions() { shaderc_compile_options_release(options_); }
CompileOptions(const CompileOptions& other) {
options_ = shaderc_compile_options_clone(other.options_);
}
CompileOptions(CompileOptions&& other) {
options_ = other.options_;
other.options_ = nullptr;
}
// Adds a predefined macro to the compilation options. It behaves the same as
// shaderc_compile_options_add_macro_definition in shaderc.h.
void AddMacroDefinition(const char* name, size_t name_length,
const char* value, size_t value_length) {
shaderc_compile_options_add_macro_definition(options_, name, name_length,
value, value_length);
}
// Adds a valueless predefined macro to the compilation options.
void AddMacroDefinition(const std::string& name) {
AddMacroDefinition(name.c_str(), name.size(), nullptr, 0u);
}
// Adds a predefined macro to the compilation options.
void AddMacroDefinition(const std::string& name, const std::string& value) {
AddMacroDefinition(name.c_str(), name.size(), value.c_str(), value.size());
}
// Sets the compiler mode to generate debug information in the output.
void SetGenerateDebugInfo() {
shaderc_compile_options_set_generate_debug_info(options_);
}
// Sets the compiler optimization level to the given level. Only the last one
// takes effect if multiple calls of this function exist.
void SetOptimizationLevel(shaderc_optimization_level level) {
shaderc_compile_options_set_optimization_level(options_, level);
}
// A C++ version of the libshaderc includer interface.
class IncluderInterface {
public:
// Handles shaderc_include_resolver_fn callbacks.
virtual shaderc_include_result* GetInclude(const char* requested_source,
shaderc_include_type type,
const char* requesting_source,
size_t include_depth) = 0;
// Handles shaderc_include_result_release_fn callbacks.
virtual void ReleaseInclude(shaderc_include_result* data) = 0;
virtual ~IncluderInterface() = default;
};
// Sets the includer instance for libshaderc to call during compilation, as
// described in shaderc_compile_options_set_include_callbacks(). Callbacks
// are routed to this includer's methods.
void SetIncluder(std::unique_ptr<IncluderInterface>&& includer) {
includer_ = std::move(includer);
shaderc_compile_options_set_include_callbacks(
options_,
[](void* user_data, const char* requested_source, int type,
const char* requesting_source, size_t include_depth) {
auto* sub_includer = static_cast<IncluderInterface*>(user_data);
return sub_includer->GetInclude(
requested_source, static_cast<shaderc_include_type>(type),
requesting_source, include_depth);
},
[](void* user_data, shaderc_include_result* include_result) {
auto* sub_includer = static_cast<IncluderInterface*>(user_data);
return sub_includer->ReleaseInclude(include_result);
},
includer_.get());
}
// Forces the GLSL language version and profile to a given pair. The version
// number is the same as would appear in the #version annotation in the
// source. Version and profile specified here overrides the #version
// annotation in the source. Use profile: 'shaderc_profile_none' for GLSL
// versions that do not define profiles, e.g. versions below 150.
void SetForcedVersionProfile(int version, shaderc_profile profile) {
shaderc_compile_options_set_forced_version_profile(options_, version,
profile);
}
// Sets the compiler mode to suppress warnings. Note this option overrides
// warnings-as-errors mode. When both suppress-warnings and warnings-as-errors
// modes are turned on, warning messages will be inhibited, and will not be
// emitted as error message.
void SetSuppressWarnings() {
shaderc_compile_options_set_suppress_warnings(options_);
}
// Sets the source language. The default is GLSL.
void SetSourceLanguage(shaderc_source_language lang) {
shaderc_compile_options_set_source_language(options_, lang);
}
// Sets the target shader environment, affecting which warnings or errors will
// be issued. The version will be for distinguishing between different
// versions of the target environment. The version value should be either 0
// or a value listed in shaderc_env_version. The 0 value maps to Vulkan 1.0
// if |target| is Vulkan, and it maps to OpenGL 4.5 if |target| is OpenGL.
void SetTargetEnvironment(shaderc_target_env target, uint32_t version) {
shaderc_compile_options_set_target_env(options_, target, version);
}
// Sets the target SPIR-V version. The generated module will use this version
// of SPIR-V. Each target environment determines what versions of SPIR-V
// it can consume. Defaults to the highest version of SPIR-V 1.0 which is
// required to be supported by the target environment. E.g. Default to SPIR-V
// 1.0 for Vulkan 1.0 and SPIR-V 1.3 for Vulkan 1.1.
void SetTargetSpirv(shaderc_spirv_version version) {
shaderc_compile_options_set_target_spirv(options_, version);
}
// Sets the compiler mode to make all warnings into errors. Note the
// suppress-warnings mode overrides this option, i.e. if both
// warning-as-errors and suppress-warnings modes are set on, warnings will not
// be emitted as error message.
void SetWarningsAsErrors() {
shaderc_compile_options_set_warnings_as_errors(options_);
}
// Sets a resource limit.
void SetLimit(shaderc_limit limit, int value) {
shaderc_compile_options_set_limit(options_, limit, value);
}
// Sets whether the compiler should automatically assign bindings to uniforms
// that aren't already explicitly bound in the shader source.
void SetAutoBindUniforms(bool auto_bind) {
shaderc_compile_options_set_auto_bind_uniforms(options_, auto_bind);
}
// Sets whether the compiler should automatically remove sampler variables
// and convert image variables to combined image sampler variables.
void SetAutoSampledTextures(bool auto_sampled) {
shaderc_compile_options_set_auto_combined_image_sampler(options_,
auto_sampled);
}
// Sets whether the compiler should use HLSL IO mapping rules for bindings.
// Defaults to false.
void SetHlslIoMapping(bool hlsl_iomap) {
shaderc_compile_options_set_hlsl_io_mapping(options_, hlsl_iomap);
}
// Sets whether the compiler should determine block member offsets using HLSL
// packing rules instead of standard GLSL rules. Defaults to false. Only
// affects GLSL compilation. HLSL rules are always used when compiling HLSL.
void SetHlslOffsets(bool hlsl_offsets) {
shaderc_compile_options_set_hlsl_offsets(options_, hlsl_offsets);
}
// Sets the base binding number used for for a uniform resource type when
// automatically assigning bindings. For GLSL compilation, sets the lowest
// automatically assigned number. For HLSL compilation, the regsiter number
// assigned to the resource is added to this specified base.
void SetBindingBase(shaderc_uniform_kind kind, uint32_t base) {
shaderc_compile_options_set_binding_base(options_, kind, base);
}
// Like SetBindingBase, but only takes effect when compiling a given shader
// stage. The stage is assumed to be one of vertex, fragment, tessellation
// evaluation, tesselation control, geometry, or compute.
void SetBindingBaseForStage(shaderc_shader_kind shader_kind,
shaderc_uniform_kind kind, uint32_t base) {
shaderc_compile_options_set_binding_base_for_stage(options_, shader_kind,
kind, base);
}
// Sets whether the compiler should preserve all bindings, even when those
// bindings are not used.
void SetPreserveBindings(bool preserve_bindings) {
shaderc_compile_options_set_preserve_bindings(options_, preserve_bindings);
}
// Sets whether the compiler automatically assigns locations to
// uniform variables that don't have explicit locations.
void SetAutoMapLocations(bool auto_map) {
shaderc_compile_options_set_auto_map_locations(options_, auto_map);
}
// Sets a descriptor set and binding for an HLSL register in the given stage.
// Copies the parameter strings.
void SetHlslRegisterSetAndBindingForStage(shaderc_shader_kind shader_kind,
const std::string& reg,
const std::string& set,
const std::string& binding) {
shaderc_compile_options_set_hlsl_register_set_and_binding_for_stage(
options_, shader_kind, reg.c_str(), set.c_str(), binding.c_str());
}
// Sets a descriptor set and binding for an HLSL register in any stage.
// Copies the parameter strings.
void SetHlslRegisterSetAndBinding(const std::string& reg,
const std::string& set,
const std::string& binding) {
shaderc_compile_options_set_hlsl_register_set_and_binding(
options_, reg.c_str(), set.c_str(), binding.c_str());
}
// Sets whether the compiler should enable extension
// SPV_GOOGLE_hlsl_functionality1.
void SetHlslFunctionality1(bool enable) {
shaderc_compile_options_set_hlsl_functionality1(options_, enable);
}
// Sets whether 16-bit types are supported in HLSL or not.
void SetHlsl16BitTypes(bool enable) {
shaderc_compile_options_set_hlsl_16bit_types(options_, enable);
}
// Enables or disables relaxed Vulkan rules.
//
// This allows most OpenGL shaders to compile under Vulkan semantics.
void SetVulkanRulesRelaxed(bool enable) {
shaderc_compile_options_set_vulkan_rules_relaxed(options_, enable);
}
// Sets whether the compiler should invert position.Y output in vertex shader.
void SetInvertY(bool enable) {
shaderc_compile_options_set_invert_y(options_, enable);
}
// Sets whether the compiler should generate code for max and min which,
// if given a NaN operand, will return the other operand. Similarly, the
// clamp builtin will favour the non-NaN operands, as if clamp were
// implemented as a composition of max and min.
void SetNanClamp(bool enable) {
shaderc_compile_options_set_nan_clamp(options_, enable);
}
private:
CompileOptions& operator=(const CompileOptions& other) = delete;
shaderc_compile_options_t options_;
std::unique_ptr<IncluderInterface> includer_;
friend class Compiler;
};
// The compilation context for compiling source to SPIR-V.
class Compiler {
public:
Compiler() : compiler_(shaderc_compiler_initialize()) {}
~Compiler() { shaderc_compiler_release(compiler_); }
Compiler(Compiler&& other) {
compiler_ = other.compiler_;
other.compiler_ = nullptr;
}
bool IsValid() const { return compiler_ != nullptr; }
// Compiles the given source GLSL and returns a SPIR-V binary module
// compilation result.
// The source_text parameter must be a valid pointer.
// The source_text_size parameter must be the length of the source text.
// The shader_kind parameter either forces the compilation to be done with a
// specified shader kind, or hint the compiler how to determine the exact
// shader kind. If the shader kind is set to shaderc_glslc_infer_from_source,
// the compiler will try to deduce the shader kind from the source string and
// a failure in this proess will generate an error. Currently only #pragma
// annotation is supported. If the shader kind is set to one of the default
// shader kinds, the compiler will fall back to the specified default shader
// kind in case it failed to deduce the shader kind from the source string.
// The input_file_name is a null-termintated string. It is used as a tag to
// identify the source string in cases like emitting error messages. It
// doesn't have to be a 'file name'.
// The entry_point_name parameter is a null-terminated string specifying
// the entry point name for HLSL compilation. For GLSL compilation, the
// entry point name is assumed to be "main".
// The compilation is passed any options specified in the CompileOptions
// parameter.
// It is valid for the returned CompilationResult object to outlive this
// compiler object.
// Note when the options_ has disassembly mode or preprocessing only mode set
// on, the returned CompilationResult will hold a text string, instead of a
// SPIR-V binary generated with default options.
SpvCompilationResult CompileGlslToSpv(const char* source_text,
size_t source_text_size,
shaderc_shader_kind shader_kind,
const char* input_file_name,
const char* entry_point_name,
const CompileOptions& options) const {
shaderc_compilation_result_t compilation_result = shaderc_compile_into_spv(
compiler_, source_text, source_text_size, shader_kind, input_file_name,
entry_point_name, options.options_);
return SpvCompilationResult(compilation_result);
}
// Compiles the given source shader and returns a SPIR-V binary module
// compilation result.
// Like the first CompileGlslToSpv method but assumes the entry point name
// is "main".
SpvCompilationResult CompileGlslToSpv(const char* source_text,
size_t source_text_size,
shaderc_shader_kind shader_kind,
const char* input_file_name,
const CompileOptions& options) const {
return CompileGlslToSpv(source_text, source_text_size, shader_kind,
input_file_name, "main", options);
}
// Compiles the given source GLSL and returns a SPIR-V binary module
// compilation result.
// Like the previous CompileGlslToSpv method but uses default options.
SpvCompilationResult CompileGlslToSpv(const char* source_text,
size_t source_text_size,
shaderc_shader_kind shader_kind,
const char* input_file_name) const {
shaderc_compilation_result_t compilation_result =
shaderc_compile_into_spv(compiler_, source_text, source_text_size,
shader_kind, input_file_name, "main", nullptr);
return SpvCompilationResult(compilation_result);
}
// Compiles the given source shader and returns a SPIR-V binary module
// compilation result.
// Like the first CompileGlslToSpv method but the source is provided as
// a std::string, and we assume the entry point is "main".
SpvCompilationResult CompileGlslToSpv(const std::string& source_text,
shaderc_shader_kind shader_kind,
const char* input_file_name,
const CompileOptions& options) const {
return CompileGlslToSpv(source_text.data(), source_text.size(), shader_kind,
input_file_name, options);
}
// Compiles the given source shader and returns a SPIR-V binary module
// compilation result.
// Like the first CompileGlslToSpv method but the source is provided as
// a std::string.
SpvCompilationResult CompileGlslToSpv(const std::string& source_text,
shaderc_shader_kind shader_kind,
const char* input_file_name,
const char* entry_point_name,
const CompileOptions& options) const {
return CompileGlslToSpv(source_text.data(), source_text.size(), shader_kind,
input_file_name, entry_point_name, options);
}
// Compiles the given source GLSL and returns a SPIR-V binary module
// compilation result.
// Like the previous CompileGlslToSpv method but assumes the entry point
// name is "main".
SpvCompilationResult CompileGlslToSpv(const std::string& source_text,
shaderc_shader_kind shader_kind,
const char* input_file_name) const {
return CompileGlslToSpv(source_text.data(), source_text.size(), shader_kind,
input_file_name);
}
// Assembles the given SPIR-V assembly and returns a SPIR-V binary module
// compilation result.
// The assembly should follow the syntax defined in the SPIRV-Tools project
// (https://github.com/KhronosGroup/SPIRV-Tools/blob/master/syntax.md).
// It is valid for the returned CompilationResult object to outlive this
// compiler object.
// The assembling will pick options suitable for assembling specified in the
// CompileOptions parameter.
SpvCompilationResult AssembleToSpv(const char* source_assembly,
size_t source_assembly_size,
const CompileOptions& options) const {
return SpvCompilationResult(shaderc_assemble_into_spv(
compiler_, source_assembly, source_assembly_size, options.options_));
}
// Assembles the given SPIR-V assembly and returns a SPIR-V binary module
// compilation result.
// Like the first AssembleToSpv method but uses the default compiler options.
SpvCompilationResult AssembleToSpv(const char* source_assembly,
size_t source_assembly_size) const {
return SpvCompilationResult(shaderc_assemble_into_spv(
compiler_, source_assembly, source_assembly_size, nullptr));
}
// Assembles the given SPIR-V assembly and returns a SPIR-V binary module
// compilation result.
// Like the first AssembleToSpv method but the source is provided as a
// std::string.
SpvCompilationResult AssembleToSpv(const std::string& source_assembly,
const CompileOptions& options) const {
return SpvCompilationResult(
shaderc_assemble_into_spv(compiler_, source_assembly.data(),
source_assembly.size(), options.options_));
}
// Assembles the given SPIR-V assembly and returns a SPIR-V binary module
// compilation result.
// Like the first AssembleToSpv method but the source is provided as a
// std::string and also uses default compiler options.
SpvCompilationResult AssembleToSpv(const std::string& source_assembly) const {
return SpvCompilationResult(shaderc_assemble_into_spv(
compiler_, source_assembly.data(), source_assembly.size(), nullptr));
}
// Compiles the given source GLSL and returns the SPIR-V assembly text
// compilation result.
// Options are similar to the first CompileToSpv method.
AssemblyCompilationResult CompileGlslToSpvAssembly(
const char* source_text, size_t source_text_size,
shaderc_shader_kind shader_kind, const char* input_file_name,
const char* entry_point_name, const CompileOptions& options) const {
shaderc_compilation_result_t compilation_result =
shaderc_compile_into_spv_assembly(
compiler_, source_text, source_text_size, shader_kind,
input_file_name, entry_point_name, options.options_);
return AssemblyCompilationResult(compilation_result);
}
// Compiles the given source GLSL and returns the SPIR-V assembly text
// compilation result.
// Similare to the previous method, but assumes entry point name is "main".
AssemblyCompilationResult CompileGlslToSpvAssembly(
const char* source_text, size_t source_text_size,
shaderc_shader_kind shader_kind, const char* input_file_name,
const CompileOptions& options) const {
return CompileGlslToSpvAssembly(source_text, source_text_size, shader_kind,
input_file_name, "main", options);
}
// Compiles the given source GLSL and returns the SPIR-V assembly text
// result. Like the first CompileGlslToSpvAssembly method but the source
// is provided as a std::string. Options are otherwise similar to
// the first CompileToSpv method.
AssemblyCompilationResult CompileGlslToSpvAssembly(
const std::string& source_text, shaderc_shader_kind shader_kind,
const char* input_file_name, const char* entry_point_name,
const CompileOptions& options) const {
return CompileGlslToSpvAssembly(source_text.data(), source_text.size(),
shader_kind, input_file_name,
entry_point_name, options);
}
// Compiles the given source GLSL and returns the SPIR-V assembly text
// result. Like the previous CompileGlslToSpvAssembly method but assumes
// the entry point name is "main".
AssemblyCompilationResult CompileGlslToSpvAssembly(
const std::string& source_text, shaderc_shader_kind shader_kind,
const char* input_file_name, const CompileOptions& options) const {
return CompileGlslToSpvAssembly(source_text, shader_kind, input_file_name,
"main", options);
}
// Preprocesses the given source GLSL and returns the preprocessed
// source text as a compilation result.
// Options are similar to the first CompileToSpv method.
PreprocessedSourceCompilationResult PreprocessGlsl(
const char* source_text, size_t source_text_size,
shaderc_shader_kind shader_kind, const char* input_file_name,
const CompileOptions& options) const {
shaderc_compilation_result_t compilation_result =
shaderc_compile_into_preprocessed_text(
compiler_, source_text, source_text_size, shader_kind,
input_file_name, "main", options.options_);
return PreprocessedSourceCompilationResult(compilation_result);
}
// Preprocesses the given source GLSL and returns text result. Like the first
// PreprocessGlsl method but the source is provided as a std::string.
// Options are otherwise similar to the first CompileToSpv method.
PreprocessedSourceCompilationResult PreprocessGlsl(
const std::string& source_text, shaderc_shader_kind shader_kind,
const char* input_file_name, const CompileOptions& options) const {
return PreprocessGlsl(source_text.data(), source_text.size(), shader_kind,
input_file_name, options);
}
private:
Compiler(const Compiler&) = delete;
Compiler& operator=(const Compiler& other) = delete;
shaderc_compiler_t compiler_;
};
} // namespace shaderc
#endif // SHADERC_SHADERC_HPP_

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// Copyright 2018 The Shaderc Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SHADERC_STATUS_H_
#define SHADERC_STATUS_H_
#ifdef __cplusplus
extern "C" {
#endif
// Indicate the status of a compilation.
typedef enum {
shaderc_compilation_status_success = 0,
shaderc_compilation_status_invalid_stage = 1, // error stage deduction
shaderc_compilation_status_compilation_error = 2,
shaderc_compilation_status_internal_error = 3, // unexpected failure
shaderc_compilation_status_null_result_object = 4,
shaderc_compilation_status_invalid_assembly = 5,
shaderc_compilation_status_validation_error = 6,
shaderc_compilation_status_transformation_error = 7,
shaderc_compilation_status_configuration_error = 8,
} shaderc_compilation_status;
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // SHADERC_STATUS_H_

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// Copyright 2018 The Shaderc Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SHADERC_VISIBILITY_H_
#define SHADERC_VISIBILITY_H_
// SHADERC_EXPORT tags symbol that will be exposed by the shared libraries.
#if defined(SHADERC_SHAREDLIB)
#if defined(_WIN32)
#if defined(SHADERC_IMPLEMENTATION)
#define SHADERC_EXPORT __declspec(dllexport)
#else
#define SHADERC_EXPORT __declspec(dllimport)
#endif
#else
#if defined(SHADERC_IMPLEMENTATION)
#define SHADERC_EXPORT __attribute__((visibility("default")))
#else
#define SHADERC_EXPORT
#endif
#endif
#else
#define SHADERC_EXPORT
#endif
#endif // SHADERC_VISIBILITY_H_