alpha bleng isuue
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- C
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Description
I want to merge two surfaces with picture data to a single surface with alpha blend,but I find that older libva edition has no such examples to do that,I kown that vaCreateSubpicture and vaAssociateSubpicture API will be needed,but I test a lot of times,finially it does not work.Maybe the driver does not complete the API or I use it in a wrong way.
So my question is how I can find examples about alpha blending in older edition such as libva-1.6.0.
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