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Commit af92c01e authored by Ramkumar Radhakrishnan's avatar Ramkumar Radhakrishnan Committed by Linux Build Service Account
Browse files

libgui: Add support to update buffer geometry. 

Add native window properties NATIVE_WINDOW_UPDATE_BUFFERS_GEOMETRY
to the perform function of SurfaceTextureClient and SurfaceTexture
to update the width, height and format of the buffer dynamically
from the client before queue buffer call.

Change-Id: Ie2dde2f1c96496c9834494f3bda93aa7f1b4f8b6
parent b834da26

include/gui/BufferQueue.h

+22 −0
Original line number Diff line number Diff line
@@ -32,6 +32,20 @@ 


namespace android {

// ----------------------------------------------------------------------------

/*

 * Structure to hold the buffer geometry

 */

struct BufGeometry {

    int mWidth;

    int mHeight;

    int mFormat;

    BufGeometry(): mWidth(0), mHeight(0), mFormat(0) {}

    void set(int w, int h, int f) {

        mWidth = w;

        mHeight = h;

        mFormat = f;

    }

};



class BufferQueue : public BnGraphicBufferProducer {

public:
@@ -239,6 +253,11 @@ public: 
    // dequeue buffer.

    virtual status_t setBuffersSize(int size);



    // update buffer width, height and format for a native buffer

    // dynamically from the client which will take effect in the next

    // queue buffer.

    virtual status_t updateBuffersGeometry(int w, int h, int f);



    // public facing structure for BufferSlot

    struct BufferItem {
@@ -638,6 +657,9 @@ private: 


    // mTransformHint is used to optimize for screen rotations

    uint32_t mTransformHint;



   // holds the updated buffer geometry info of the new video resolution.

   BufGeometry mNextBufferInfo;

};



// ----------------------------------------------------------------------------

include/gui/IGraphicBufferProducer.h

+3 −0
Original line number Diff line number Diff line
@@ -208,6 +208,9 @@ public: 
    // dequeue buffer.

    virtual status_t setBuffersSize(int size) = 0;



    // update buffer width, height and format information from the client

    // which will take effect in the next queue buffer.

    virtual status_t updateBuffersGeometry(int w, int h, int f) = 0;

};



// ----------------------------------------------------------------------------

include/gui/Surface.h

+2 −0
Original line number Diff line number Diff line
@@ -120,6 +120,7 @@ private: 
    int dispatchSetBuffersSize(va_list args);

    int dispatchLock(va_list args);

    int dispatchUnlockAndPost(va_list args);

    int dispatchUpdateBuffersGeometry(va_list args);



protected:

    virtual int dequeueBuffer(ANativeWindowBuffer** buffer, int* fenceFd);
@@ -143,6 +144,7 @@ protected: 
    virtual int setCrop(Rect const* rect);

    virtual int setUsage(uint32_t reqUsage);

    virtual int setBuffersSize(int size);

    virtual int updateBuffersGeometry(int w, int h, int f);



public:

    virtual int lock(ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds);

include/ui/GraphicBuffer.h

+3 −0
Original line number Diff line number Diff line
@@ -101,6 +101,9 @@ public: 
    status_t lockYCbCr(uint32_t usage, const Rect& rect, android_ycbcr *ycbcr);

    status_t unlock();



    status_t perform(buffer_handle_t handle, int operation,

                     uint32_t w, uint32_t h, PixelFormat format);



    ANativeWindowBuffer* getNativeBuffer() const;



    void setIndex(int index);

include/ui/GraphicBufferMapper.h

+3 −0
Original line number Diff line number Diff line
@@ -50,6 +50,9 @@ public: 


    status_t unlock(buffer_handle_t handle);

    

    status_t perform(buffer_handle_t handle, int operation,

                     uint32_t w, uint32_t h, uint32_t format);



    // dumps information about the mapping of this handle

    void dump(buffer_handle_t handle);