1 /*
2  * Copyright 2018 The Android Open Source Project
3  *
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
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
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.
15  */
16 
17 #pragma once
18 
19 #include <compositionengine/CompositionEngine.h>
20 
21 namespace android::compositionengine::impl {
22 
23 class CompositionEngine : public compositionengine::CompositionEngine {
24 public:
25     CompositionEngine();
26     ~CompositionEngine() override;
27 
28     std::shared_ptr<compositionengine::Display> createDisplay(
29             const compositionengine::DisplayCreationArgs&) override;
30     std::unique_ptr<compositionengine::LayerFECompositionState> createLayerFECompositionState()
31             override;
32 
33     HWComposer& getHwComposer() const override;
34     void setHwComposer(std::unique_ptr<HWComposer>) override;
35 
36     renderengine::RenderEngine& getRenderEngine() const override;
37     void setRenderEngine(renderengine::RenderEngine*) override;
38 
39     TimeStats* getTimeStats() const override;
40     void setTimeStats(const std::shared_ptr<TimeStats>&) override;
41 
42     bool needsAnotherUpdate() const override;
43     nsecs_t getLastFrameRefreshTimestamp() const override;
44 
45     void present(CompositionRefreshArgs&) override;
46 
47     void updateCursorAsync(CompositionRefreshArgs&) override;
48 
49     void preComposition(CompositionRefreshArgs&) override;
50 
51     void postComposition(CompositionRefreshArgs&) override;
52 
53     FeatureFlags getFeatureFlags() const override;
54 
55     // Debugging
56     void dump(std::string&) const override;
57 
58     // Testing
59     void setNeedsAnotherUpdateForTest(bool);
60 
61 private:
62     std::unique_ptr<HWComposer> mHwComposer;
63     renderengine::RenderEngine* mRenderEngine;
64     std::shared_ptr<TimeStats> mTimeStats;
65     bool mNeedsAnotherUpdate = false;
66     nsecs_t mRefreshStartTime = 0;
67 };
68 
69 std::unique_ptr<compositionengine::CompositionEngine> createCompositionEngine();
70 
71 } // namespace android::compositionengine::impl
72