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.
