VirtualDisplaySurface.h revision e737c11cd83a449d9a544c5c6d4e0dfd42250a56 
1/*
2 * Copyright 2013 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#ifndef ANDROID_SF_VIRTUAL_DISPLAY_SURFACE_H
18#define ANDROID_SF_VIRTUAL_DISPLAY_SURFACE_H
19
20#include "DisplaySurface.h"
21
22// ---------------------------------------------------------------------------
23namespace android {
24// ---------------------------------------------------------------------------
25
26class HWComposer;
27
28/* This DisplaySurface implementation is a stub used for developing HWC
29 * virtual display support. It is currently just a passthrough.
30 */
31class VirtualDisplaySurface : public DisplaySurface {
32public:
33    VirtualDisplaySurface(HWComposer& hwc, int32_t dispId,
34            const sp<IGraphicBufferProducer>& sink,
35            const String8& name);
36
37    virtual sp<IGraphicBufferProducer> getIGraphicBufferProducer() const;
38
39    virtual status_t compositionComplete();
40    virtual status_t advanceFrame();
41    virtual void onFrameCommitted();
42    virtual void dump(String8& result) const;
43
44private:
45    virtual ~VirtualDisplaySurface();
46
47    sp<IGraphicBufferProducer> mSink;
48};
49
50// ---------------------------------------------------------------------------
51} // namespace android
52// ---------------------------------------------------------------------------
53
54#endif // ANDROID_SF_VIRTUAL_DISPLAY_SURFACE_H
55
56