Merge "Modify the GL renderer's functor to pass the clip to WebView" into honeycomb-mr1

public:

    Functor() {}

    virtual ~Functor() {}

    virtual status_t operator ()() { return true; }

    virtual status_t operator ()(float* data, uint32_t len) { return true; }

    virtual status_t operator ()(int what, void* data) { return NO_ERROR; }

};

}; // namespace android

        setScissorFromClip();

    }

    Rect clip(*mSnapshot->clipRect);

    clip.snapToPixelBoundaries();

#if RENDER_LAYERS_AS_REGIONS

    // Since we don't know what the functor will draw, let's dirty

    // tne entire clip region

    if (hasLayer()) {

        Rect clip(*mSnapshot->clipRect);

        clip.snapToPixelBoundaries();

        dirtyLayerUnchecked(clip, getRegion());

    }

#endif

    float bounds[4];

    status_t result = (*functor)(&bounds[0], 4);

    struct {

        // Input: current clip rect

        int clipLeft;

        int clipTop;

        int clipRight;

        int clipBottom;

        // Output: dirty region to redraw

        float dirtyLeft;

        float dirtyTop;

        float dirtyRight;

        float dirtyBottom;

    } constraints;

    constraints.clipLeft = clip.left;

    constraints.clipTop = clip.top;

    constraints.clipRight = clip.right;

    constraints.clipBottom = clip.bottom;

    status_t result = (*functor)(0, &constraints);

    if (result != 0) {

        Rect localDirty(bounds[0], bounds[1], bounds[2], bounds[3]);

        Rect localDirty(constraints.dirtyLeft, constraints.dirtyTop,

                constraints.dirtyRight, constraints.dirtyBottom);

        dirty.unionWith(localDirty);

    }