[PD] chroma_key to alpha with Gem?
claudiusmaximus at goto10.org
Mon Apr 20 21:55:02 CEST 2009
Hans-Christoph Steiner wrote:
> I was wondering whether it is possible convert a specific color, like
> green-screen chroma key, to alpha information using Gem. They idea is
> to overlap many green-screen videos. I can see the pieces, but I can't
> see the whole.
Maybe use a GLSL fragment shader to do the colour to alpha mangling?
Should be superfast on a recent GPU with supporting drivers...
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