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Commit d2cf8c2f authored by Jesse Hall's avatar Jesse Hall Committed by Android (Google) Code Review
Browse files

Merge "Provide HWC prepare with a valid output buffer" into klp-dev

parents 7127d17d 028dc8f2

services/surfaceflinger/DisplayDevice.cpp

+4 −0
Original line number Diff line number Diff line
@@ -198,6 +198,10 @@ void DisplayDevice::flip(const Region& dirty) const 
    mPageFlipCount++;

}



status_t DisplayDevice::beginFrame() const {

    return mDisplaySurface->beginFrame();

}



status_t DisplayDevice::prepareFrame(const HWComposer& hwc) const {

    DisplaySurface::CompositionType compositionType;

    bool haveGles = hwc.hasGlesComposition(mHwcDisplayId);

services/surfaceflinger/DisplayDevice.h

+1 −0
Original line number Diff line number Diff line
@@ -122,6 +122,7 @@ public: 
    int32_t                 getHwcDisplayId() const { return mHwcDisplayId; }

    const wp<IBinder>&      getDisplayToken() const { return mDisplayToken; }



    status_t beginFrame() const;

    status_t prepareFrame(const HWComposer& hwc) const;



    void swapBuffers(HWComposer& hwc) const;

services/surfaceflinger/DisplayHardware/DisplaySurface.h

+5 −0
Original line number Diff line number Diff line
@@ -30,6 +30,11 @@ class String8; 


class DisplaySurface : public virtual RefBase {

public:

    // beginFrame is called at the beginning of the composition loop, before

    // the configuration is known. The DisplaySurface should do anything it

    // needs to do to enable HWComposer to decide how to compose the frame.

    virtual status_t beginFrame() = 0;



    // prepareFrame is called after the composition configuration is known but

    // before composition takes place. The DisplaySurface can use the

    // composition type to decide how to manage the flow of buffers between

services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp

+4 −0
Original line number Diff line number Diff line
@@ -68,6 +68,10 @@ FramebufferSurface::FramebufferSurface(HWComposer& hwc, int disp, 
    mConsumer->setDefaultMaxBufferCount(NUM_FRAMEBUFFER_SURFACE_BUFFERS);

}



status_t FramebufferSurface::beginFrame() {

    return NO_ERROR;

}



status_t FramebufferSurface::prepareFrame(CompositionType compositionType) {

    return NO_ERROR;

}

services/surfaceflinger/DisplayHardware/FramebufferSurface.h

+1 −0
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ class FramebufferSurface : public ConsumerBase, 
public:

    FramebufferSurface(HWComposer& hwc, int disp, const sp<IGraphicBufferConsumer>& consumer);



    virtual status_t beginFrame();

    virtual status_t prepareFrame(CompositionType compositionType);

    virtual status_t compositionComplete();

    virtual status_t advanceFrame();