// Compiles the given source GLSL and returns a SPIR-V binary module
// compilation result.
// Like the first 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 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);
}
// 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 {
return SpvCompilationResult(shaderc_assemble_into_spv(
compiler_, source_assembly.data(), source_assembly.size()));
}
// 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.
SpvCompilationResult AssembleToSpv(const char* source_assembly,
size_t source_assembly_size) const {
return SpvCompilationResult(shaderc_assemble_into_spv(
compiler_, source_assembly, source_assembly_size));
}
// 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_));
}