Function compileShader

shared/UtilsVulkan.cpp:159–226

static_assert(sizeof(TBuiltInResource) == sizeof(glslang_resource_t));

static size_t compileShader(glslang_stage_t stage, const char* shaderSource, ShaderModule& shaderModule)
{
	const glslang_input_t input =
	{
		.language = GLSLANG_SOURCE_GLSL,
		.stage = stage,
		.client = GLSLANG_CLIENT_VULKAN,
		.client_version = GLSLANG_TARGET_VULKAN_1_1,
		.target_language = GLSLANG_TARGET_SPV,
		.target_language_version = GLSLANG_TARGET_SPV_1_3,
		.code = shaderSource,
		.default_version = 100,
		.default_profile = GLSLANG_NO_PROFILE,
		.force_default_version_and_profile = false,
		.forward_compatible = false,
		.messages = GLSLANG_MSG_DEFAULT_BIT,
		.resource = (const glslang_resource_t*)&glslang::DefaultTBuiltInResource,
	};

	glslang_shader_t* shader = glslang_shader_create(&input);

	if (!glslang_shader_preprocess(shader, &input))
	{
		fprintf(stderr, "GLSL preprocessing failed\n");
		fprintf(stderr, "\n%s", glslang_shader_get_info_log(shader));
		fprintf(stderr, "\n%s", glslang_shader_get_info_debug_log(shader));
		printShaderSource(input.code);
		return 0;
	}

	if (!glslang_shader_parse(shader, &input))
	{
		fprintf(stderr, "GLSL parsing failed\n");
		fprintf(stderr, "\n%s", glslang_shader_get_info_log(shader));
		fprintf(stderr, "\n%s", glslang_shader_get_info_debug_log(shader));
		printShaderSource(glslang_shader_get_preprocessed_code(shader));
		return 0;
	}

	glslang_program_t* program = glslang_program_create();
	glslang_program_add_shader(program, shader);

	if (!glslang_program_link(program, GLSLANG_MSG_SPV_RULES_BIT | GLSLANG_MSG_VULKAN_RULES_BIT))
	{
		fprintf(stderr, "GLSL linking failed\n");
		fprintf(stderr, "\n%s", glslang_program_get_info_log(program));
		fprintf(stderr, "\n%s", glslang_program_get_info_debug_log(program));
		return 0;
	}

	glslang_program_SPIRV_generate(program, stage);

	shaderModule.SPIRV.resize(glslang_program_SPIRV_get_size(program));
	glslang_program_SPIRV_get(program, shaderModule.SPIRV.data());

	{
		const char* spirv_messages =
			glslang_program_SPIRV_get_messages(program);