ffmpeg/libavutil
wm4 98d73e4174 hwcontext_d3d11va: allocate staging texture lazily
Makes dealing with formats that can not be used for staging textures
easier (DXGI_FORMAT_420_OPAQUE). It also saves memory if the staging
texture is never needed, so this is a good thing.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
2017-06-27 00:23:12 +02:00
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