[Bug 27467] VSync not working

wine-bugs at winehq.org wine-bugs at winehq.org
Wed Oct 19 16:37:22 CDT 2011


http://bugs.winehq.org/show_bug.cgi?id=27467

Alexey Loukianov <mooroon2 at mail.ru> changed:

           What    |Removed                     |Added
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                 CC|                            |mooroon2 at mail.ru

--- Comment #8 from Alexey Loukianov <mooroon2 at mail.ru> 2011-10-19 16:37:22 CDT ---
This one should be CLOSED INVALID as it is not a Wine bug.

It is a bug in nVIDIA drivers which had been reported and discussed here:
http://www.nvnews.net/vbulletin/showthread.php?t=163438

Actual problem is that nVIDIA allows to set swap_interval to be 0 no matter the
value of nvcontrol attribute 'SyncToVBlank' and/or the value of
__GL_SYNC_TO_VBLANK variable. 

It seems that currently nVIDIA driver only sets internal default value for
swap_interval to "1" and it resets to "0" as soon as app creates d3d context
with D3DPRESENT_INTERVAL_IMMEDIATE flag.

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