Document crop and finalCrop

The difference between crop and finalCrop is not documented anywhere.
"finalCrop" is not a very good name either and it would also be a
good thing to rename it to windowSpaceClip and propagate this to
framework API.

Change-Id: I7542cdb7e2430b873b30e63f06a8d39de3fa2b6d

parent 7c978712

services/surfaceflinger/Layer.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -121,9 +121,11 @@ public:
		int32_t sequence; // changes when visible regions can change
		bool modified;

		// Crop is expressed in layer space coordinate.
		Rect crop;
		Rect requestedCrop;

		// finalCrop is expressed in display space coordinate.
		Rect finalCrop;

		// If set, defers this state update until the Layer identified by handle