Method compileWithDebugInfo

gtests/SpvDebugInfoTest.cpp:49–79

Compile a GLSL compute shader with NonSemantic debug info enabled, targeting Vulkan 1.1 / SPIR-V 1.3, and return the disassembly.

    // Compile a GLSL compute shader with NonSemantic debug info enabled, targeting
    // Vulkan 1.1 / SPIR-V 1.3, and return the disassembly.
    std::string compileWithDebugInfo(const std::string& source)
    {
        glslang::TShader shader(EShLangCompute);
        const char* str = source.c_str();
        shader.setStrings(&str, 1);
        shader.setEnvInput(glslang::EShSourceGlsl, EShLangCompute,
                           glslang::EShClientVulkan, 110);
        shader.setEnvClient(glslang::EShClientVulkan, glslang::EShTargetVulkan_1_1);
        shader.setEnvTarget(glslang::EShTargetSpv, glslang::EShTargetSpv_1_3);

        EShMessages messages = static_cast<EShMessages>(EShMsgDefault | EShMsgDebugInfo);
        if (!shader.parse(GetDefaultResources(), 450, false, messages))
            return "COMPILATION_FAILED: " + std::string(shader.getInfoLog());

        glslang::TProgram program;
        program.addShader(&shader);
        if (!program.link(messages))
            return "LINKING_FAILED: " + std::string(program.getInfoLog());

        glslang::SpvOptions opts;
        opts.generateDebugInfo = true;
        opts.emitNonSemanticShaderDebugInfo = true;
        opts.disableOptimizer = true;

        std::vector<uint32_t> spirv;
        glslang::GlslangToSpv(*program.getIntermediate(EShLangCompute), spirv, &opts);

        std::ostringstream out;
        spv::Disassemble(out, spirv);
        return out.str();
    }
};

// DebugTypeVectorIdEXT (opcode 109) must be emitted for OpTypeCooperativeVectorNV