Date: Thu, 10 Jan 2019 15:58:54 -0000 (UTC) From: Christian Weisgerber <naddy@mips.inka.de> To: freebsd-x11@freebsd.org Subject: Intel modesetting and tearing Message-ID: <slrnq3eqtu.m3o.naddy@lorvorc.mips.inka.de>
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I recently switched from an obsolescent Radeon card to the built-in Intel HD Graphics P4600 with i915kms.ko and the modesetting driver. That works fine, but there is very noticeable tearing whenever something moves on-screen. If you google for it, you'll find plenty of complaints on Linux, so this is not a FreeBSD issue. For MPlayer, replacing the default Xvideo with GL video output (-vo gl) eliminates tearing. And as I found out just today and quite by accident, in Firefox toggling layers.acceleration.force-enabled to true will also eliminate all tearing, whether from soft-scrolling or when playing YouTube videos. Hallelujah! -- Christian "naddy" Weisgerber naddy@mips.inka.de
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