On Wed, Aug 14, 2013 at 2:13 AM, Jeff Muizelaar <jmuizel...@mozilla.com>wrote:
> On 2013-08-12, at 11:05 PM, Robert O'Callahan wrote: > > > Tell me what you think. > > https://wiki.mozilla.org/User:Roc/VsyncProposal > > A couple things that are not clear to me from this proposal: > - when the vsync event is sent? > Depends on the platform. I believe on Windows we can call DwmFlush on a helper thread and fire it when that returns. - how does it deal with a blocking swapbuffers()? > Blocking swapbuffers isn't really compatible with having multiple windows on one compositor thread. If we want to move each window compositor to its own thread and keep blocking on swapbuffers, then we'll have to revise this proposal. Do we need to do that? > - what happens in the case where we can't quite paint at vsync? > requestAnimationFrame frequency drops to half the vsync rate. I'll add a note about how to fix that if we want to. Rob -- Jtehsauts tshaei dS,o n" Wohfy Mdaon yhoaus eanuttehrotraiitny eovni le atrhtohu gthot sf oirng iyvoeu rs ihnesa.r"t sS?o Whhei csha iids teoa stiheer :p atroa lsyazye,d 'mYaonu,r "sGients uapr,e tfaokreg iyvoeunr, 'm aotr atnod sgaoy ,h o'mGee.t" uTph eann dt hwea lmka'n? gBoutt uIp waanndt wyeonut thoo mken.o w * * _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
