| /* |
| * 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 <cstdint> |
| |
| #include <utils/StrongPointer.h> |
| |
| namespace android { |
| |
| typedef int64_t nsecs_t; |
| |
| namespace compositionengine { |
| |
| class Display; |
| class LayerFE; |
| |
| /** |
| * A layer contains the output-independent composition state for a front-end |
| * Layer |
| */ |
| class Layer { |
| public: |
| virtual ~Layer(); |
| |
| // Gets the front-end interface for this layer. Can return nullptr if the |
| // front-end layer no longer exists. |
| virtual sp<LayerFE> getLayerFE() const = 0; |
| }; |
| |
| } // namespace compositionengine |
| } // namespace android |