1 /* 2 * Copyright 2022 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <android-base/expected.h> 20 #include <utils/Errors.h> 21 #include <utils/StrongPointer.h> 22 23 // TODO(b/232535621): Pull this file to <ui/FenceResult.h> so that RenderEngine::drawLayers returns 24 // FenceResult rather than RenderEngineResult. 25 #pragma clang diagnostic push 26 #pragma clang diagnostic ignored "-Wconversion" 27 #include <renderengine/RenderEngine.h> 28 #pragma clang diagnostic pop 29 30 namespace android { 31 32 class Fence; 33 34 using FenceResult = base::expected<sp<Fence>, status_t>; 35 36 // TODO(b/232535621): Prevent base::unexpected(NO_ERROR) from being a valid FenceResult. fenceStatus(const FenceResult & fenceResult)37inline status_t fenceStatus(const FenceResult& fenceResult) { 38 return fenceResult.ok() ? NO_ERROR : fenceResult.error(); 39 } 40 toFenceResult(renderengine::RenderEngineResult && result)41inline FenceResult toFenceResult(renderengine::RenderEngineResult&& result) { 42 if (auto [status, fence] = std::move(result); fence.ok()) { 43 return sp<Fence>::make(std::move(fence)); 44 } else { 45 return base::unexpected(status); 46 } 47 } 48 49 } // namespace android 50