Hi Leo,
Thanks for the reference patch.
There are only a number of output surfaces taking turns as the
mixer render targets, so we probably can use the same pixmap
corresponding to each of output surface texture.
The mixer renders to a VdpOutputSurface which is provided to it by the
application, so we can't make any assumptions on the surface that will
be provided it may or may not be the same. Instead we could have
additional fields in vlVdpOutputSurface which stores the handle and
pixamp of the texture.
Regards,
Nayan
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