AMD64, NVIDIA & composite
alan at lxorguk.ukuu.org.uk
Thu Sep 9 11:00:16 PDT 2004
On Iau, 2004-09-09 at 18:51, Janne Ojaniemi wrote:
> 2. People have demonstrated how cool it looks to move a transparent windows
> over a video being played back. But that doesn't work on my system. The video
> is not displayed through the transparent window. Also, the topmost window
> casts a _blue_ shadow on the video
Thats "the Xv problem". The video card is hardware mixing the scaled
video and the main frame buffer. As a result of this the compositor ends
up compositing the chroma-key not the video image.
Probably the compositing engine should be smarter and at least not merge
bright blue here.
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