diff options
Diffstat (limited to 'include/gui')
| -rw-r--r-- | include/gui/SurfaceTexture.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/gui/SurfaceTexture.h b/include/gui/SurfaceTexture.h index 09cf2a2..002e48b 100644 --- a/include/gui/SurfaceTexture.h +++ b/include/gui/SurfaceTexture.h @@ -26,12 +26,15 @@ #include <ui/GraphicBuffer.h> #include <utils/threads.h> +#include <utils/Vector.h> #define ANDROID_GRAPHICS_SURFACETEXTURE_JNI_ID "mSurfaceTexture" namespace android { // ---------------------------------------------------------------------------- +class IGraphicBufferAlloc; + class SurfaceTexture : public BnSurfaceTexture { public: enum { MIN_BUFFER_SLOTS = 3 }; @@ -140,6 +143,12 @@ private: // reset mCurrentTexture to INVALID_BUFFER_SLOT. int mCurrentTexture; + // mCurrentTextureBuf is the graphic buffer of the current texture. It's + // possible that this buffer is not associated with any buffer slot, so we + // must track it separately in order to properly use + // IGraphicBufferAlloc::freeAllGraphicBuffersExcept. + sp<GraphicBuffer> mCurrentTextureBuf; + // mCurrentCrop is the crop rectangle that applies to the current texture. // It gets set to mLastQueuedCrop each time updateTexImage is called. Rect mCurrentCrop; @@ -176,6 +185,16 @@ private: // changed with a call to setTexName. const GLuint mTexName; + // mGraphicBufferAlloc is the connection to SurfaceFlinger that is used to + // allocate new GraphicBuffer objects. + sp<IGraphicBufferAlloc> mGraphicBufferAlloc; + + // mAllocdBuffers is mirror of the list of buffers that SurfaceFlinger is + // referencing. This is kept so that gralloc implementations do not need to + // properly handle the case where SurfaceFlinger no longer holds a reference + // to a buffer, but other processes do. + Vector<sp<GraphicBuffer> > mAllocdBuffers; + // mMutex is the mutex used to prevent concurrent access to the member // variables of SurfaceTexture objects. It must be locked whenever the // member variables are accessed. |