Romain Guy 4941dea00a Do not blend opaque windows.
This change ensures the wallpaper is rendered into an opaque surface
which avoids a glClear() in SurfaceFlinger. This should save quite
a bit of work on every frame when panning the workspace in launcher.

Change-Id: I9c1b8c324edf29826d5dbb1fb39d883e43375310
2011-09-26 16:08:14 -07:00
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