Merge "Fix disappearing edges in lists/scrollviews/etc. Bug #4093871" into honeycomb-mr1

        mSnapshot->transform->mapRect(bounds);

        // Layers only make sense if they are in the framebuffer's bounds

        bounds.intersect(*snapshot->clipRect);

        if (bounds.intersect(*snapshot->clipRect)) {

            // We cannot work with sub-pixels in this case

            bounds.snapToPixelBoundaries();

            // When the layer is not an FBO, we may use glCopyTexImage so we

            // need to make sure the layer does not extend outside the bounds

            // of the framebuffer

        bounds.intersect(snapshot->previous->viewport);

            if (!bounds.intersect(snapshot->previous->viewport)) {

                bounds.setEmpty();

            }

        } else {

            bounds.setEmpty();

        }

    }

    if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize ||