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Unified Diff: third_party/shaderc/shaderc.h

Issue 1723503002: Revert of Add vulkan files into skia repo. (Closed) Base URL: https://skia.googlesource.com/skia.git@merge
Patch Set: Created 4 years, 10 months ago
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Index: third_party/shaderc/shaderc.h
diff --git a/third_party/shaderc/shaderc.h b/third_party/shaderc/shaderc.h
deleted file mode 100644
index 2d2af14b6be24bc21677689c8798c24f7d648fd8..0000000000000000000000000000000000000000
--- a/third_party/shaderc/shaderc.h
+++ /dev/null
@@ -1,327 +0,0 @@
-// 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_H_
-#define SHADERC_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-
-typedef enum {
- // Forced shader kinds. These shader kinds force the compiler to compile the
- // source code as the specified kind of shader.
- shaderc_glsl_vertex_shader,
- shaderc_glsl_fragment_shader,
- shaderc_glsl_compute_shader,
- shaderc_glsl_geometry_shader,
- shaderc_glsl_tess_control_shader,
- shaderc_glsl_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_shader_kind;
-
-typedef enum {
- shaderc_target_env_vulkan, // create SPIR-V under Vulkan semantics
- shaderc_target_env_opengl, // create SPIR-V under OpenGL semantics
- shaderc_target_env_opengl_compat, // create SPIR-V under OpenGL semantics,
- // including compatibility profile
- // functions
- shaderc_target_env_default = shaderc_target_env_vulkan
-} shaderc_target_env;
-
-typedef enum {
- shaderc_profile_none, // Used if and only if GLSL version did not specify
- // profiles.
- shaderc_profile_core,
- shaderc_profile_compatibility,
- shaderc_profile_es,
-} shaderc_profile;
-
-// Used in the result module (shaderc_spv_module) to indicate the status of an
-// compilation.
-typedef enum {
- shaderc_compilation_status_success = 0,
- shaderc_compilation_status_invalid_stage, // error stage deduction
- shaderc_compilation_status_compilation_error,
- shaderc_compilation_status_internal_error, // unexpected failure
- shaderc_compilation_status_null_result_module,
-} shaderc_compilation_status;
-
-// Usage examples:
-//
-// Aggressively release compiler resources, but spend time in initialization
-// for each new use.
-// shaderc_compiler_t compiler = shaderc_compiler_initialize();
-// shader_spv_module_t module = shaderc_compile_into_spv(compiler,
-// "int main() {}", 13, shaderc_glsl_vertex_shader, "main");
-// // Do stuff with module compilation results.
-// shaderc_module_release(module);
-// 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.
-// shader_spv_module_t module = shaderc_compile_into_spv(compiler,
-// "int main() {}", 13, shaderc_glsl_vertex_shader, "main");
-// // Do stuff with module compilation results.
-// shaderc_module_release(module);
-// // 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_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.
-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_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_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.
-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 effect same 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 null-terminated strings that the name and value parameters point to
-// must remain valid for the duration of the call, but can be modified or
-// deleted after this function has returned.
-void shaderc_compile_options_add_macro_definition(
- shaderc_compile_options_t options, const char* name, const char* value);
-
-// Sets the compiler mode to generate debug information in the output.
-void shaderc_compile_options_set_generate_debug_info(
- shaderc_compile_options_t options);
-
-// Sets the compiler mode to emit a disassembly text instead of a binary. In
-// this mode, the byte array result in the shaderc_spv_module returned
-// from shaderc_compile_into_spv() will consist of SPIR-V assembly text.
-// Note the preprocessing only mode overrides this option, and this option
-// overrides the default mode generating a SPIR-V binary.
-void shaderc_compile_options_set_disassembly_mode(
- shaderc_compile_options_t options);
-
-// 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 shaderc_compile_options_set_forced_version_profile(
- shaderc_compile_options_t options, int version, shaderc_profile profile);
-
-// To support file inclusion, libshaderc invokes a callback into its client to
-// resolve the full path and content of the included file.
-// The client callback should follow the specified function signature below, and
-// it should be passed to libshaderc through the corresponding setter function.
-// When the including of a file is done, libshaderc will call another client
-// callback to clean up the resources used for the including process. The client
-// should implement the clean up method and pass it to libshaderc together with
-// the response method.
-
-// The struct that contains the information to be returned to the libshaderc.
-// The client-side implemented response method should return a pointer of this
-// struct. The underlying data is owned by client code.
-struct shaderc_includer_response {
- const char* path;
- size_t path_length;
- const char* content;
- size_t content_length;
-};
-
-// The function signature of the client-side implemented response method. It
-// returns a pointer to shaderc_includer_response struct.
-typedef shaderc_includer_response* (*shaderc_includer_response_get_fn)(
- void* user_data, const char* filename);
-
-// The function signature of the client-side implemented clean-up method.
-// Includer will call this callback function when the including process is done
-// with the fullpath and content data.
-typedef void (*shaderc_includer_response_release_fn)(
- void* user_data, shaderc_includer_response* data);
-
-// Sets the callback functions for the includer. When the includer queries for
-// the full path and content of a file, client's method will be called to
-// response. And when the query is done, client will be notified to clean up.
-// TODO: File inclusion needs to be context-aware.
-// e.g.
-// In file: /path/to/main_shader.vert:
-// #include "include/a"
-// In file: /path/to/include/a":
-// #include "b"
-// When compiling /path/to/main_shader.vert, the compiler should be able to
-// go to /path/to/include/b to find the file b.
-// This needs context info from compiler to client includer, and may needs
-// interface changes.
-void shaderc_compile_options_set_includer_callbacks(
- shaderc_compile_options_t options, shaderc_includer_response_get_fn getter,
- shaderc_includer_response_release_fn releasor, void* user_data);
-
-// Sets the compiler mode to do only preprocessing. The byte array result in the
-// module returned by the compilation is the text of the preprocessed shader.
-// This option overrides all other compilation modes, such as disassembly mode
-// and the default mode of compilation to SPIR-V binary.
-void shaderc_compile_options_set_preprocessing_only_mode(
- shaderc_compile_options_t options);
-
-// 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.
-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. "0" is the only supported version at this point
-void shaderc_compile_options_set_target_env(shaderc_compile_options_t options,
- shaderc_target_env target,
- uint32_t 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.
-void shaderc_compile_options_set_warnings_as_errors(
- shaderc_compile_options_t options);
-
-// An opaque handle to the results of a call to shaderc_compile_into_spv().
-typedef struct shaderc_spv_module* shaderc_spv_module_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'.
-// By default the source string will be compiled into SPIR-V binary
-// and a shaderc_spv_module will be returned to hold the results of the
-// compilation. When disassembly mode or preprocessing only mode is enabled
-// in the additional_options, the source string will be compiled into char
-// strings and held by the returned shaderc_spv_module. 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_spv_module_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);
-
-// The following functions, operating on shaderc_spv_module_t objects, offer
-// only the basic thread-safety guarantee.
-
-// Releases the resources held by module. It is invalid to use module for any
-// further operations.
-void shaderc_module_release(shaderc_spv_module_t module);
-
-// Returns true if the result in module was a successful compilation.
-bool shaderc_module_get_success(const shaderc_spv_module_t module);
-
-// Returns the number of bytes in a SPIR-V module result string. When the module
-// is compiled with disassembly mode or preprocessing only mode, the result
-// string is a char string. Otherwise, the result string is binary string.
-size_t shaderc_module_get_length(const shaderc_spv_module_t module);
-
-// Returns the number of warnings generated during the compilation.
-size_t shaderc_module_get_num_warnings(const shaderc_spv_module_t module);
-
-// Returns the number of errors generated during the compilation.
-size_t shaderc_module_get_num_errors(const shaderc_spv_module_t module);
-
-// 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 shaderc_module_get_compilation_status(
- const shaderc_spv_module_t);
-
-// Returns a pointer to the start of the SPIR-V 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 source string is compiled in
-// disassembly mode or preprocessing only mode, the pointer will point to the
-// result char string.
-const char* shaderc_module_get_bytes(const shaderc_spv_module_t module);
-
-// Returns a null-terminated string that contains any error messages generated
-// during the compilation.
-const char* shaderc_module_get_error_message(const shaderc_spv_module_t module);
-
-// Provides the version & revision of the SPIR-V which will be produced
-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.
-bool shaderc_parse_version_profile(const char* str, int* version,
- shaderc_profile* profile);
-
-#ifdef __cplusplus
-}
-#endif // __cplusplus
-
-#endif // SHADERC_H_
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