Re: [PATCH/RFC 1/4] drm: Add colorkey properties

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On 17.12.2017 03:17, Laurent Pinchart wrote:
> Color keying is the action of replacing pixels matching a given color
> (or range of colors) with transparent pixels in an overlay when
> performing blitting. Depending on the hardware capabilities, the
> matching pixel can either become fully transparent, or gain a
> programmable alpha value.
> 
> Color keying is found in a large number of devices whose capabilities
> often differ, but they still have enough common features in range to
> standardize color key properties. This commit adds four properties
> related to color keying named colorkey.min, colorkey.max, colorkey.alpha
> and colorkey.mode. Additional properties can be defined by drivers to
> expose device-specific features.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

Reviewed-by: Dmitry Osipenko <digetx@xxxxxxxxx>
Tested-by: Dmitry Osipenko <digetx@xxxxxxxxx>

Note that this patch needs to be rebased now.



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