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Commit 238ec985 authored by Dan Stoza's avatar Dan Stoza
Browse files

Add NATIVE_WINDOW_SET_SURFACE_DAMAGE 

Adds a new perform action: NATIVE_SET_WINDOW_SURFACE_DAMAGE, which
allows the producer to describe the region of the surface that has
changed since the previous frame.

Bug: 11239309

Change-Id: Ie645e6a52b37b5c1b3be19481e8348570d1aa62c
parent 56c6575d

include/system/window.h

+30 −24
Original line number Diff line number Diff line
@@ -300,7 +300,8 @@ enum { 
    NATIVE_WINDOW_SET_POST_TRANSFORM_CROP   = 16,   /* private */

    NATIVE_WINDOW_SET_BUFFERS_STICKY_TRANSFORM = 17,/* private */

    NATIVE_WINDOW_SET_SIDEBAND_STREAM       = 18,

    NATIVE_WINDOW_SET_BUFFERS_DATASPACE     = 19

    NATIVE_WINDOW_SET_BUFFERS_DATASPACE     = 19,

    NATIVE_WINDOW_SET_SURFACE_DAMAGE        = 20,   /* private */

};



/* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@@ -496,28 +497,9 @@ struct ANativeWindow 
     * (*perform)() returns -ENOENT if the 'what' parameter is not supported

     * by the surface's implementation.

     *

     * The valid operations are:

     *     NATIVE_WINDOW_SET_USAGE

     *     NATIVE_WINDOW_CONNECT               (deprecated)

     *     NATIVE_WINDOW_DISCONNECT            (deprecated)

     *     NATIVE_WINDOW_SET_CROP              (private)

     *     NATIVE_WINDOW_SET_BUFFER_COUNT

     *     NATIVE_WINDOW_SET_BUFFERS_GEOMETRY  (deprecated)

     *     NATIVE_WINDOW_SET_BUFFERS_TRANSFORM

     *     NATIVE_WINDOW_SET_BUFFERS_TIMESTAMP

     *     NATIVE_WINDOW_SET_BUFFERS_DATASPACE

     *     NATIVE_WINDOW_SET_BUFFERS_DIMENSIONS

     *     NATIVE_WINDOW_SET_BUFFERS_FORMAT

     *     NATIVE_WINDOW_SET_SCALING_MODE       (private)

     *     NATIVE_WINDOW_LOCK                   (private)

     *     NATIVE_WINDOW_UNLOCK_AND_POST        (private)

     *     NATIVE_WINDOW_API_CONNECT            (private)

     *     NATIVE_WINDOW_API_DISCONNECT         (private)

     *     NATIVE_WINDOW_SET_BUFFERS_USER_DIMENSIONS (private)

     *     NATIVE_WINDOW_SET_POST_TRANSFORM_CROP (private)

     *

     * See above for a list of valid operations, such as

     * NATIVE_WINDOW_SET_USAGE or NATIVE_WINDOW_CONNECT

     */



    int     (*perform)(struct ANativeWindow* window,

                int operation, ... );
@@ -934,6 +916,30 @@ static inline int native_window_set_sideband_stream( 
            sidebandHandle);

}



/*

 * native_window_set_surface_damage(..., android_native_rect_t* rects, int numRects)

 * Set the surface damage (i.e., the region of the surface that has changed

 * since the previous frame). The damage set by this call will be reset (to the

 * default of full-surface damage) after calling queue, so this must be called

 * prior to every frame with damage that does not cover the whole surface if the

 * caller desires downstream consumers to use this optimization.

 *

 * The damage region is specified as an array of rectangles, with the important

 * caveat that the origin of the surface is considered to be the bottom-left

 * corner, as in OpenGL ES.

 *

 * If numRects is set to 0, rects may be NULL, and the surface damage will be

 * set to the full surface (the same as if this function had not been called for

 * this frame).

 */

static inline int native_window_set_surface_damage(

        struct ANativeWindow* window,

        const android_native_rect_t* rects, size_t numRects)

{

    return window->perform(window, NATIVE_WINDOW_SET_SURFACE_DAMAGE,

            rects, numRects);

}



__END_DECLS



#endif /* SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H */