http://bugs.freedesktop.org/show_bug.cgi?id=22123
Summary: Disable SGI_swap_control extension for DRI2
Product: Mesa
Version: CVS
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: GLX
AssignedTo: [email protected]
ReportedBy: [email protected]
While there are plans to support VBlank sync in DRI2, for the
moment, for a direct context SGI_swap_control is reported,
glXSwapIntervalSGI() appears to succeed, but does nothing.
Disabling reporting the extension allows apps to fall back to:
A) SGI_video_sync which still basically works (it's just the
old DRI1 method of blocking in the kernel until vblank)
B) Time-based frame-rate limiting mechanisms
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