Merge "Reland "Update documentation for DISPLAY_DECORATION""

     */

     */

    SIDEBAND = 5,

    SIDEBAND = 5,

    /**

    /**

     * A display decoration layer contains a buffer which is an 8 bit

     * A display decoration layer contains a buffer which is used to provide

     * alpha mask. Pixels in the mask with an alpha of 0 (transparent) will

     * show the content underneath, and pixels with an alpha of 255 will be

     * be rendered in black. An alpha in between will show the content

     * blended with black. This is useful, for example, to provide

     * anti-aliasing on the cutout region/rounded corners on the top and

     * anti-aliasing on the cutout region/rounded corners on the top and

     * bottom of a display.

     * bottom of a display.

     *

     *

     * Pixels in the buffer with an alpha of 0 (transparent) will show the

     * content underneath, and pixels with a max alpha value will be rendered in

     * black. An alpha in between will show the underlying content blended with

     * black.

     *

     * Upon validateDisplay, the device may request a change from this type

     * Upon validateDisplay, the device may request a change from this type

     * to CLIENT.

     * to either DEVICE or CLIENT.

     */

     */

    DISPLAY_DECORATION = 6,

    DISPLAY_DECORATION = 6,

}

}