| /* |
| * Copyright 2019 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. |
| */ |
| |
| #pragma once |
| |
| #include <utils/RefBase.h> |
| |
| namespace android { |
| |
| class Fence; |
| |
| namespace compositionengine { |
| |
| struct LayerFECompositionState; |
| |
| // Defines the interface used by the CompositionEngine to make requests |
| // of the front-end layer |
| class LayerFE : public virtual RefBase { |
| public: |
| // Latches the output-independent state. If includeGeometry is false, the |
| // geometry state can be skipped. |
| virtual void latchCompositionState(LayerFECompositionState&, bool includeGeometry) const = 0; |
| |
| // Called after the layer is displayed to update the presentation fence |
| virtual void onLayerDisplayed(const sp<Fence>&) = 0; |
| |
| // Gets some kind of identifier for the layer for debug purposes. |
| virtual const char* getDebugName() const = 0; |
| }; |
| |
| } // namespace compositionengine |
| } // namespace android |