Merge "Use a status_t return type for GL functors"

    float dirtyTop;

    float dirtyRight;

    float dirtyBottom;

    /**

     * Values used by OpenGL functors to tell the framework

     * what to do next.

     */

    enum Status {

        // The functor is done

        kStatusDone,

        // The functor is requesting a redraw (the clip rect

        // used by the redraw is specified by DrawGlInfo.)

        // The rest of the UI might redraw too.

        kStatusDraw,

        // The functor needs to be invoked again but will

        // not redraw. Only the functor is invoked again

        // (unless another functor requests a redraw.)

        kStatusInvoke

    };

}; // struct DrawGlInfo

}; // namespace uirenderer