Jesse Hall | 99c7dbb | 2013-03-14 14:29:29 -0700 | [diff] [blame] | 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_DISPLAY_SURFACE_H |
| 18 | #define ANDROID_SF_DISPLAY_SURFACE_H |
| 19 | |
| 20 | #include <utils/Errors.h> |
| 21 | #include <utils/RefBase.h> |
| 22 | #include <utils/StrongPointer.h> |
| 23 | |
| 24 | // --------------------------------------------------------------------------- |
| 25 | namespace android { |
| 26 | // --------------------------------------------------------------------------- |
| 27 | |
| 28 | class IGraphicBufferProducer; |
| 29 | class String8; |
| 30 | |
| 31 | class DisplaySurface : public virtual RefBase { |
| 32 | public: |
| 33 | virtual sp<IGraphicBufferProducer> getIGraphicBufferProducer() const = 0; |
| 34 | |
| 35 | // Should be called when composition rendering is complete for a frame (but |
| 36 | // eglSwapBuffers hasn't necessarily been called). Required by certain |
| 37 | // older drivers for synchronization. |
| 38 | // TODO: Remove this when we drop support for HWC 1.0. |
| 39 | virtual status_t compositionComplete() = 0; |
| 40 | |
| 41 | // Inform the surface that GLES composition is complete for this frame, and |
| 42 | // the surface should make sure that HWComposer has the correct buffer for |
| 43 | // this frame. Some implementations may only push a new buffer to |
| 44 | // HWComposer if GLES composition took place, others need to push a new |
| 45 | // buffer on every frame. |
Jesse Hall | 7414965 | 2013-03-19 17:18:09 -0700 | [diff] [blame] | 46 | // |
| 47 | // advanceFrame must be followed by a call to onFrameCommitted before |
| 48 | // advanceFrame may be called again. |
Jesse Hall | 99c7dbb | 2013-03-14 14:29:29 -0700 | [diff] [blame] | 49 | virtual status_t advanceFrame() = 0; |
| 50 | |
Jesse Hall | 7414965 | 2013-03-19 17:18:09 -0700 | [diff] [blame] | 51 | // onFrameCommitted is called after the frame has been committed to the |
Jesse Hall | 851cfe8 | 2013-03-20 13:44:00 -0700 | [diff] [blame] | 52 | // hardware composer. The surface collects the release fence for this |
| 53 | // frame's buffer. |
| 54 | virtual void onFrameCommitted() = 0; |
Jesse Hall | 99c7dbb | 2013-03-14 14:29:29 -0700 | [diff] [blame] | 55 | |
| 56 | virtual void dump(String8& result) const = 0; |
| 57 | |
| 58 | protected: |
| 59 | DisplaySurface() {} |
| 60 | virtual ~DisplaySurface() {} |
| 61 | }; |
| 62 | |
| 63 | // --------------------------------------------------------------------------- |
| 64 | } // namespace android |
| 65 | // --------------------------------------------------------------------------- |
| 66 | |
| 67 | #endif // ANDROID_SF_DISPLAY_SURFACE_H |
| 68 | |