CompileToSPV()

void Spices::ShaderCompiler::CompileToSPV ( const std::string & data, const ShaderStage & stage, const std::string & name, std::vector< uint8_t > & spirv )

static

Compile glsl to spv.

Parameters

[in]	data	glsl data.
[in]	stage	ShaderStage.
[in]	name	Shader Name.
[in,out]	spirv	spv data.

Instance Compiler.

Shader Header Search folder and processer.

Compile Settings.

Runtime Compile.

Get Compiled spirv code.

Instance Compiler.

Shader Header Search folder and processer.

Compile Settings.

Runtime Compile.

Get Compiled spirv code.

Definition at line 16 of file ShaderCompiler.cpp.

    {
        SPICES_PROFILE_ZONE;
 
        shaderc::Compiler compiler;
        shaderc::CompileOptions options;
 
        shaderc_util::FileFinder fileFinder;
        fileFinder.search_path().push_back(SPICES_ENGINE_ASSETS_PATH + "Shaders/src");
 
#ifdef SPICES_DEBUG
 
        options.SetGenerateDebugInfo();                                                           // -g
 
#endif
 
        options.SetOptimizationLevel(shaderc_optimization_level_performance);                     // -o                                                
        options.SetTargetSpirv(shaderc_spirv_version_1_6);                                        // --target-env=spv1.6
        options.SetTargetEnvironment(shaderc_target_env_vulkan, shaderc_env_version_vulkan_1_3);  // --target-env=vulkan1.3
        options.SetIncluder(std::make_unique<glslc::FileIncluder>(&fileFinder));
 
        shaderc::SpvCompilationResult module = compiler.CompileGlslToSpv(data, ShaderHelper::ToShaderCKind(stage), name.c_str(), options);
        if (module.GetCompilationStatus() != shaderc_compilation_status_success) 
        {
            std::stringstream ss;
            ss << "Error compiling module: " << module.GetErrorMessage();
 
            SPICES_CORE_ERROR(ss.str())
        }
        
        std::vector<uint32_t> code32 = { module.cbegin(), module.cend() };
        spirv.resize(code32.size() * 4);
        memcpy(spirv.data(), code32.data(), spirv.size());
    }