On 28.02.2012 00:53, Andy Furniss wrote:
Christian König wrote:
Hi everyone,
the following patchset adds most of the still missing functionality
to the VDPAU state tracker, including the support for bitmap surfaces
so Alpha Substation Subtitles in mplayer now seems to work fine.
It also improves the general video playback functionality to use page
flipping instead of copying the frame content around. So we now get
fullscreen tear free video playback even on a secondary output.
This is nice vsync - I can finally really use vdpau on my TV now
rather than gl. Is there a way to turn it off for benchmarking?
Not really, since we now use page flipping (at least when the video is
fullscreen) the hardware just automatically uses the new frame content
after the next vsync, there isn't even code involved - it's a pure
hardware feature!
xvmc is much better now its' buffers don't get mixed up, I saw it tear
once but couldn't repeat.
What could happen is that we draw to the back buffer while that is still
being displayed, but that can happen only once after switching from
fullscreen to windowed or resizing the window and in that case you have
other problems.
Please be aware that some patches are only compile tested, since I
couldn't find a good test case for the function being implemented.
Are the kernel bugs mentioned rejected CS when resizing?
Nope, that one is new to me, thanks. I've just noticed that there seems
to be a frame of garbage when resizing the window.
But that looks like a bug in the DDX instead of mesa, going to ping the
other devs where to start digging for it.
Christian.
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