Michel Dänzer <mic...@daenzer.net> writes: > From: Michel Dänzer <michel.daen...@amd.com> > > Always use 3 buffers when flipping. With only 2 buffers, we have to wait > for a flip to complete (which takes non-0 time even with asynchronous > flips) before we can start working on the next frame. We were previously > only using 2 buffers for flipping if the X server supports asynchronous > flips, even when we're not using asynchronous flips. This could result > in bad performance (the referenced bug report is an extreme case, where > the inter-frame stalls were preventing the GPU from reaching its maximum > clocks).
Makes sense to me. -- -keith
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