1 /* 2 * Copyright (C) 2020 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 #ifndef ANDROID_BACKEND_H 18 #define ANDROID_BACKEND_H 19 20 #include "DrmHwcTwo.h" 21 22 namespace android { 23 24 class Backend { 25 public: 26 virtual ~Backend() = default; 27 virtual HWC2::Error ValidateDisplay(DrmHwcTwo::HwcDisplay *display, 28 uint32_t *num_types, 29 uint32_t *num_requests); 30 virtual std::tuple<int, int> GetClientLayers( 31 DrmHwcTwo::HwcDisplay *display, 32 const std::map<uint32_t, DrmHwcTwo::HwcLayer *> &z_map); 33 virtual bool IsClientLayer(DrmHwcTwo::HwcDisplay *display, 34 DrmHwcTwo::HwcLayer *layer); 35 }; 36 } // namespace android 37 38 #endif 39