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Revert "Update documentation for DISPLAY_DECORATION"

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Revert "Add/plumb SurfaceControl.DISPLAY_DECORATION"

Revert "Add eLayerIsDisplayDecoration flag"

Revert submission 16511727-wm_DISPLAY_DECORATION

Reason for revert: b/211835607
Reverted Changes:
I1da3199ba:Allow changing composition from DISPLAY_DECORATION...
I1fae74b36:Update documentation for DISPLAY_DECORATION
I1da03a88f:Add eLayerIsDisplayDecoration flag
I7f22dfd03:Add/plumb SurfaceControl.DISPLAY_DECORATION

Change-Id: I7238bcc96325873ec7dbdd42894192c48e7cf92e
This commit is contained in:
Leon Scroggins
2021-12-23 15:28:46 +00:00
parent 64803940e6
commit fa7e058b5e
1 changed files with 6 additions and 10 deletions
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16
graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
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@@ -74,20 +74,16 @@ enum Composition {
*/
SIDEBAND = 5,
/**
* A display decoration layer contains a buffer which is used to provide
* 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
* 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 an alpha of 255 will be rendered in
* black. An alpha in between will show the underlying content blended with
* black.
*
* Some devices may support this flag with a buffer containing an 8 bit
* alpha mask.
*
* Upon validateDisplay, the device may request a change from this type
* to either DEVICE or CLIENT.
* to CLIENT.
*/
DISPLAY_DECORATION = 6,
}