Am 18.01.2017 um 09:25 schrieb Michel Dänzer:
On 17/01/17 09:55 PM, Christian König wrote:
Module: Mesa
Branch: master
Commit: 15bfdea99c7b487d2c38d6dd7b88fb44810ef75a
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=15bfdea99c7b487d2c38d6dd7b88fb44810ef75a
Author: Nayan Deshmukh <[email protected]>
Date: Wed Jan 11 22:45:14 2017 +0530
st/vdpau: use dri3 to directly send the buffer to X(v2)
Unfortunately, this broke VLC, resulting in incorrect colours in videos.
The problem is that VDP_RGBA_FORMAT_R10G10B10A2 is passed to
vlVdpOutputSurfaceCreate. This can't work directly for presentation,
because the Present extension request PresentPixmap only works if the
pixmap depth matches the window depth, otherwise it returns a BadMatch
protocol error.
Price question: Is that a general limitation or just something not
implemented?
Would be bad if we force the application to use a certain format for the
backing buffer just because X can't handle it.
vlVdpOutputSurfaceCreate needs to check that the format passed in
matches the window (surface?) format, and fall back to the old method
otherwise.
If this takes significant effort, maybe just revert the commit for now.
Thanks for the heads up.
If Nayan can't fix this in a proper time frame I will just revert the
patches for now.
Christian.
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