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/*
 * Copyright (C) 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ANDROID_BACKEND_H
#define ANDROID_BACKEND_H

#include "DrmHwcTwo.h"

namespace android {

class Backend {
 public:
  virtual ~Backend() = default;
  virtual HWC2::Error ValidateDisplay(DrmHwcTwo::HwcDisplay *display,
                                      uint32_t *num_types,
                                      uint32_t *num_requests);
  virtual std::tuple<int, int> GetClientLayers(
      DrmHwcTwo::HwcDisplay *display,
      const std::map<uint32_t, DrmHwcTwo::HwcLayer *> &z_map);
  virtual bool IsClientLayer(DrmHwcTwo::HwcDisplay *display,
                             DrmHwcTwo::HwcLayer *layer);
};
}  // namespace android

#endif