diff options
Diffstat (limited to 'libshaderc/include/shaderc/shaderc.hpp')
| -rw-r--r-- | libshaderc/include/shaderc/shaderc.hpp | 83 |
1 files changed, 73 insertions, 10 deletions
diff --git a/libshaderc/include/shaderc/shaderc.hpp b/libshaderc/include/shaderc/shaderc.hpp index 4e5dfd7..3023ebb 100644 --- a/libshaderc/include/shaderc/shaderc.hpp +++ b/libshaderc/include/shaderc/shaderc.hpp @@ -221,6 +221,11 @@ class CompileOptions { 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 @@ -238,6 +243,11 @@ class CompileOptions { 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); + } + private: CompileOptions& operator=(const CompileOptions& other) = delete; shaderc_compile_options_t options_; @@ -274,6 +284,9 @@ class Compiler { // 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 @@ -285,16 +298,30 @@ class Compiler { 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, - "main", options.options_); + 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 first CompileGlslToSpv method but uses default options. + // 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, @@ -305,10 +332,10 @@ class Compiler { return SpvCompilationResult(compilation_result); } - // Compiles the given source GLSL and returns a SPIR-V binary module + // 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. + // 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, @@ -317,10 +344,23 @@ class Compiler { input_file_name, options); } - // Compiles the given source GLSL and returns a SPIR-V binary module + // 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 also uses default compiler options. + // 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 { @@ -378,23 +418,46 @@ class Compiler { 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 { + 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, "main", options.options_); + 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 CompileOptions& options) const { + 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, options); + 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 |