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At peresent, we don't have a control for Compositing and Blend. All drivers are just doing copies while actually many hardwares supports more functions. So Adding V4L2 controls for Compositing and Blend, used for for composting streams. (am from https://patchwork.linuxtv.org/patch/42848/) The values are based on porter duff operations. Defined in below links. https://developer.xamarin.com/api/type/Android.Graphics.PorterDuff+Mode/ Change-Id: I16245fc8389a433ebdcb228081a80daa48e8c539 Suggested-by: Nicolas Dufresne <nicolas@ndufresne.ca> Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com> Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com> |
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