[Bug 60409] mfplat: dxgi_surface_buffer_Lock always does a GPU readback (ReadWrite), stalling decoder output ~29 ms per frame

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=60409

--- Comment #1 from Nikolay Sivov <[e-mail]> ---
There is a lot of noise here, e.g. I don't quite get what the proposed
workaround is, hopefully somebody does. I think ultimately hw decoding that
avoids sysmem copies is the solution.

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