2 * Copyright (C) 2020 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef ANDROID_BACKEND_H
18 #define ANDROID_BACKEND_H
20 #include "DrmHwcTwo.h"
26 virtual ~Backend() = default;
27 virtual HWC2::Error ValidateDisplay(DrmHwcTwo::HwcDisplay *display,
29 uint32_t *num_requests);
30 virtual std::tuple<int, size_t> 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);
36 } // namespace android