// Forces the GLSL language version and profile to a given pair. The version // number is the same as would appear in the #version annotation in the // source. Version and profile specified here overrides the #version // annotation in the source. Use profile: 'shaderc_profile_none' for GLSL // versions that do not define profiles, e.g. versions below 150. void SetForcedVersionProfile(int version, shaderc_profile profile) { shaderc_compile_options_set_forced_version_profile(options_, version, profile); }
bool GrVkProgramBuilder::CreateVkShaderModule(const GrVkGpu* gpu, VkShaderStageFlagBits stage, const GrGLSLShaderBuilder& builder, VkShaderModule* shaderModule, VkPipelineShaderStageCreateInfo* stageInfo) { SkString shaderString; for (int i = 0; i < builder.fCompilerStrings.count(); ++i) { if (builder.fCompilerStrings[i]) { shaderString.append(builder.fCompilerStrings[i]); shaderString.append("\n"); } } shaderc_compiler_t compiler = gpu->shadercCompiler(); shaderc_compile_options_t options = shaderc_compile_options_initialize(); shaderc_compile_options_set_forced_version_profile(options, 140, shaderc_profile_none); shaderc_shader_kind shadercStage = vk_shader_stage_to_shaderc_kind(stage); shaderc_compilation_result_t result = shaderc_compile_into_spv(compiler, shaderString.c_str(), strlen(shaderString.c_str()), shadercStage, "shader", "main", options); shaderc_compile_options_release(options); #ifdef SK_DEBUG if (shaderc_result_get_num_errors(result)) { SkDebugf("%s\n", shaderString.c_str()); SkDebugf("%s\n", shaderc_result_get_error_message(result)); return false; } #endif VkShaderModuleCreateInfo moduleCreateInfo; memset(&moduleCreateInfo, 0, sizeof(VkShaderModuleCreateInfo)); moduleCreateInfo.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO; moduleCreateInfo.pNext = nullptr; moduleCreateInfo.flags = 0; moduleCreateInfo.codeSize = shaderc_result_get_length(result); moduleCreateInfo.pCode = (const uint32_t*)shaderc_result_get_bytes(result); VkResult err = GR_VK_CALL(gpu->vkInterface(), CreateShaderModule(gpu->device(), &moduleCreateInfo, nullptr, shaderModule)); shaderc_result_release(result); if (err) { return false; } memset(stageInfo, 0, sizeof(VkPipelineShaderStageCreateInfo)); stageInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO; stageInfo->pNext = nullptr; stageInfo->flags = 0; stageInfo->stage = stage; stageInfo->module = *shaderModule; stageInfo->pName = "main"; stageInfo->pSpecializationInfo = nullptr; return true; }