Date: Sun, 19 Oct 2014 20:22:10 +0200 From: Bengt Ahlgren <bengta@sics.se> To: gecko@freebsd.org Subject: Downscaled images broken in Firefox built with OPTIMIZED_CFLAGS Message-ID: <uh738ajvs19.fsf@P142s.sics.se>
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I have started to see this problem (now with FF 33.0) with white stripes in downscaled images: https://bugzilla.mozilla.org/show_bug.cgi?id=810604 That bug report says that the problem appears when compiling with -O3 - -O2 (or -Os) should be ok. My FF indeed seems to be built with -O3 when using standard options. I rebuilt with unchecked option OPTIMIZED_CFLAGS, and the problem disappeared. A workaround is to turn off image.high_quality_downscaling.enabled. (I run 9.3-REL amd64, but build packages on 9.1-REL using poudriere.) Bengt
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