The Tor Browser / file comparison
comparison: widget/gonk/libdisplay/FramebufferSurface.h
widget/gonk/libdisplay/FramebufferSurface.h
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:9f58b9dfa05f |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2007 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_FRAMEBUFFER_SURFACE_H | |
| 18 #define ANDROID_SF_FRAMEBUFFER_SURFACE_H | |
| 19 | |
| 20 #include <stdint.h> | |
| 21 #include <sys/types.h> | |
| 22 | |
| 23 #include <gui/ConsumerBase.h> | |
| 24 | |
| 25 // --------------------------------------------------------------------------- | |
| 26 namespace android { | |
| 27 // --------------------------------------------------------------------------- | |
| 28 | |
| 29 class Rect; | |
| 30 class String8; | |
| 31 class HWComposer; | |
| 32 | |
| 33 // --------------------------------------------------------------------------- | |
| 34 | |
| 35 class FramebufferSurface : public ConsumerBase { | |
| 36 public: | |
| 37 FramebufferSurface(int disp, uint32_t width, uint32_t height, uint32_t format, sp<BufferQueue>& bq); | |
| 38 | |
| 39 bool isUpdateOnDemand() const { return false; } | |
| 40 status_t setUpdateRectangle(const Rect& updateRect); | |
| 41 status_t compositionComplete(); | |
| 42 | |
| 43 virtual void dump(String8& result); | |
| 44 virtual void dump(String8& result, const char* prefix); | |
| 45 | |
| 46 // setReleaseFenceFd stores a fence file descriptor that will signal when the | |
| 47 // current buffer is no longer being read. This fence will be returned to | |
| 48 // the producer when the current buffer is released by updateTexImage(). | |
| 49 // Multiple fences can be set for a given buffer; they will be merged into | |
| 50 // a single union fence. The SurfaceTexture will close the file descriptor | |
| 51 // when finished with it. | |
| 52 status_t setReleaseFenceFd(int fenceFd); | |
| 53 | |
| 54 virtual int GetPrevFBAcquireFd(); | |
| 55 | |
| 56 buffer_handle_t lastHandle; | |
| 57 private: | |
| 58 virtual ~FramebufferSurface() { }; // this class cannot be overloaded | |
| 59 | |
| 60 virtual void onFrameAvailable(); | |
| 61 virtual void freeBufferLocked(int slotIndex); | |
| 62 | |
| 63 // nextBuffer waits for and then latches the next buffer from the | |
| 64 // BufferQueue and releases the previously latched buffer to the | |
| 65 // BufferQueue. The new buffer is returned in the 'buffer' argument. | |
| 66 status_t nextBuffer(sp<GraphicBuffer>& outBuffer, sp<Fence>& outFence); | |
| 67 | |
| 68 // mDisplayType must match one of the HWC display types | |
| 69 int mDisplayType; | |
| 70 | |
| 71 // mCurrentBufferIndex is the slot index of the current buffer or | |
| 72 // INVALID_BUFFER_SLOT to indicate that either there is no current buffer | |
| 73 // or the buffer is not associated with a slot. | |
| 74 int mCurrentBufferSlot; | |
| 75 | |
| 76 // mCurrentBuffer is the current buffer or NULL to indicate that there is | |
| 77 // no current buffer. | |
| 78 sp<GraphicBuffer> mCurrentBuffer; | |
| 79 | |
| 80 android::sp<android::Fence> mPrevFBAcquireFence; | |
| 81 }; | |
| 82 | |
| 83 // --------------------------------------------------------------------------- | |
| 84 }; // namespace android | |
| 85 // --------------------------------------------------------------------------- | |
| 86 | |
| 87 #endif // ANDROID_SF_FRAMEBUFFER_SURFACE_H | |
| 88 |
