Merge "Reland "Update documentation for DISPLAY_DECORATION""
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
index 4947463..803de06 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
@@ -74,16 +74,17 @@
*/
SIDEBAND = 5,
/**
- * A display decoration layer contains a buffer which is an 8 bit
- * 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
+ * A display decoration layer contains a buffer which is used to provide
* anti-aliasing on the cutout region/rounded corners on the top and
* 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
- * to CLIENT.
+ * to either DEVICE or CLIENT.
*/
DISPLAY_DECORATION = 6,
}