/*
 * 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.
 */

#include "BackendClient.h"

#include "BackendManager.h"
#include "hwc/HwcDisplay.h"

namespace android::drm_hwcomposer {

auto BackendClient::ValidateDisplay(const HwcDisplay* display) const
    -> ValidatedComposition {
  return GetFlattenedComposition(display->GetOrderLayersByZPos(),
                                 FlattenReason::kNone);
}

class ClientBackendPipelineCreator : public BackendManager::PipelineCreator {
 public:
  ClientBackendPipelineCreator() : BackendManager::PipelineCreator("client") {
  }
  std::unique_ptr<DrmDisplayPipeline> CreatePipeline(
      DrmConnector& connector) override {
    auto pipeline = DrmDisplayPipeline::CreatePipeline(connector);
    if (pipeline) {
      pipeline->backend = std::make_unique<BackendClient>();
    }
    return pipeline;
  }
};

// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables, cert-err58-cpp)
static ClientBackendPipelineCreator client_backend;

}  // namespace android::drm_hwcomposer