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Commit 7a776ec3 authored by Robert Carr's avatar Robert Carr Committed by android-build-merger
Browse files

Add setOverrideScalingMode to SurfaceControl 

am: c3574f7b

* commit 'c3574f7b':
  Add setOverrideScalingMode to SurfaceControl

Change-Id: I8752f95ed3d596c8648e5d527aae4cae00e171b9
parents 0cbee9f0 c3574f7b

include/gui/SurfaceComposerClient.h

+2 −0
Original line number Diff line number Diff line
@@ -138,6 +138,8 @@ public: 
    status_t    setLayerStack(const sp<IBinder>& id, uint32_t layerStack);

    status_t    deferTransactionUntil(const sp<IBinder>& id,

            const sp<IBinder>& handle, uint64_t frameNumber);

    status_t    setOverrideScalingMode(const sp<IBinder>& id,

            int32_t overrideScalingMode);

    status_t    destroySurface(const sp<IBinder>& id);



    status_t clearLayerFrameStats(const sp<IBinder>& token) const;

include/gui/SurfaceControl.h

+5 −0
Original line number Diff line number Diff line
@@ -77,6 +77,11 @@ public: 
    // identified by handle reaches the given frameNumber

    status_t deferTransactionUntil(sp<IBinder> handle, uint64_t frameNumber);



    // Set an override scaling mode as documented in <system/window.h>

    // the override scaling mode will take precedence over any client

    // specified scaling mode. -1 will clear the override scaling mode.

    status_t setOverrideScalingMode(int32_t overrideScalingMode);



    static status_t writeSurfaceToParcel(

            const sp<SurfaceControl>& control, Parcel* parcel);

include/private/gui/LayerState.h

+5 −2
Original line number Diff line number Diff line
@@ -53,7 +53,8 @@ struct layer_state_t { 
        eLayerStackChanged          = 0x00000080,

        eCropChanged                = 0x00000100,

        eDeferTransaction           = 0x00000200,

        eFinalCropChanged           = 0x00000400

        eFinalCropChanged           = 0x00000400,

        eOverrideScalingModeChanged = 0x00000800

    };



    layer_state_t()
@@ -61,7 +62,8 @@ struct layer_state_t { 
            x(0), y(0), z(0), w(0), h(0), layerStack(0),

            alpha(0), flags(0), mask(0),

            reserved(0), crop(Rect::INVALID_RECT),

            finalCrop(Rect::INVALID_RECT), frameNumber(0)

            finalCrop(Rect::INVALID_RECT), frameNumber(0),

            overrideScalingMode(-1)

    {

        matrix.dsdx = matrix.dtdy = 1.0f;

        matrix.dsdy = matrix.dtdx = 0.0f;
@@ -93,6 +95,7 @@ struct layer_state_t { 
            Rect            finalCrop;

            sp<IBinder>     handle;

            uint64_t        frameNumber;

            int32_t         overrideScalingMode;

            // non POD must be last. see write/read

            Region          transparentRegion;

};

libs/gui/LayerState.cpp

+2 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ status_t layer_state_t::write(Parcel& output) const 
    output.write(finalCrop);

    output.writeStrongBinder(handle);

    output.writeUint64(frameNumber);

    output.writeInt32(overrideScalingMode);

    output.write(transparentRegion);

    return NO_ERROR;

}
@@ -68,6 +69,7 @@ status_t layer_state_t::read(const Parcel& input) 
    input.read(finalCrop);

    handle = input.readStrongBinder();

    frameNumber = input.readUint64();

    overrideScalingMode = input.readInt32();

    input.read(transparentRegion);

    return NO_ERROR;

}

libs/gui/SurfaceComposerClient.cpp

+35 −0
Original line number Diff line number Diff line
@@ -163,6 +163,8 @@ public: 
    status_t deferTransactionUntil(const sp<SurfaceComposerClient>& client,

            const sp<IBinder>& id, const sp<IBinder>& handle,

            uint64_t frameNumber);

    status_t setOverrideScalingMode(const sp<SurfaceComposerClient>& client,

            const sp<IBinder>& id, int32_t overrideScalingMode);



    void setDisplaySurface(const sp<IBinder>& token,

            const sp<IGraphicBufferProducer>& bufferProducer);
@@ -414,6 +416,33 @@ status_t Composer::deferTransactionUntil( 
    return NO_ERROR;

}



status_t Composer::setOverrideScalingMode(

        const sp<SurfaceComposerClient>& client,

        const sp<IBinder>& id, int32_t overrideScalingMode) {

    Mutex::Autolock lock(mLock);

    layer_state_t* s = getLayerStateLocked(client, id);

    if (!s) {

        return BAD_INDEX;

    }



    switch (overrideScalingMode) {

        case NATIVE_WINDOW_SCALING_MODE_FREEZE:

        case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:

        case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP:

        case NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP:

        case -1:

            break;

        default:

            ALOGE("unknown scaling mode: %d",

                    overrideScalingMode);

            return BAD_VALUE;

    }



    s->what |= layer_state_t::eOverrideScalingModeChanged;

    s->overrideScalingMode = overrideScalingMode;

    return NO_ERROR;

}



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



DisplayState& Composer::getDisplayStateLocked(const sp<IBinder>& token) {
@@ -650,6 +679,12 @@ status_t SurfaceComposerClient::deferTransactionUntil(const sp<IBinder>& id, 
    return getComposer().deferTransactionUntil(this, id, handle, frameNumber);

}



status_t SurfaceComposerClient::setOverrideScalingMode(

        const sp<IBinder>& id, int32_t overrideScalingMode) {

    return getComposer().setOverrideScalingMode(

            this, id, overrideScalingMode);

}



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



void SurfaceComposerClient::setDisplaySurface(const sp<IBinder>& token,