glslang create shader

glslang.cpp

auto static create_shader(vk::raii::Device const& device, vk::ArrayProxy<char const* const> shader_source, vk::ShaderStageFlagBits const& shader_stage) -> vk::raii::ShaderModule {
            auto const& stage = [&shader_stage]() {
                switch (shader_stage) {
                    default: throw std::runtime_error("Unknown shader stage");
                    case vk::ShaderStageFlagBits::eVertex: return EShLangVertex;
                    case vk::ShaderStageFlagBits::eCompute: return EShLangCompute;
                    case vk::ShaderStageFlagBits::eFragment: return EShLangFragment;
                }
            }();

            auto constexpr messages = static_cast<EShMessages>(EShMsgSpvRules | EShMsgVulkanRules);

            auto constexpr limits = TBuiltInResource{
                32, 6, 32, 32, 64, 4096, 64, 32, 80, 32, 4096, 32, 128, 8, 16, 16, 15, -8, 7, 8, 65535, 65535, 65535,
                1024, 1024, 64, 1024, 16, 8, 8, 1, 60, 64, 64, 128, 128, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 16, 256, 1024,
                1024, 64, 128, 128, 16, 1024, 4096, 128, 128, 16, 1024, 120, 32, 64, 16, 0, 0, 0, 0, 8, 8, 1, 0, 0, 0,
                0, 1, 1, 16384, 4, 64, 8, 8, 4, 256, 512, 32, 1, 1, 32, 1, 1, 4, 1,
                {true, true, true, true, true, true, true, true, true}
            };

            auto shader = glslang::TShader{stage};
            shader.setStrings(shader_source.data(), static_cast<int>(shader_source.size()));
            if (!shader.parse(&limits, 110, false, messages))
                throw std::runtime_error(std::string{shader.getInfoLog()} + std::string{shader.getInfoDebugLog()});

            auto program = glslang::TProgram{};
            program.addShader(&shader);

            if (!program.link(messages))
                throw std::runtime_error(std::string{shader.getInfoLog()} + std::string{shader.getInfoDebugLog()});

            auto spv = std::vector<unsigned int>{};
            glslang::GlslangToSpv(*program.getIntermediate(stage), spv);

            return {device, {{}, spv}};
        }