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alogim
Tux's lil' helper
Tux's lil' helper


Joined: 21 Aug 2015
Posts: 112

PostPosted: Tue Sep 18, 2018 7:27 am    Post subject: Firefox vsync problems while scrolling Reply with quote

I recently noticed that I have some vsync problems with www-client/firefox-60.2.0::gentoo. While scrolling, there are some non-synchronized lines in the middle of the screen.

Package settings:
Code:

www-client/firefox-62.0-r1::gentoo was built with the following:
USE="dbus gmp-autoupdate hwaccel pulseaudio screenshot startup-notification wifi -bindist -custom-cflags -custom-optimization -debug -eme-free -hardened -jack (-neon) (-selinux) -system-harfbuzz -system-icu -system-jpeg -system-libevent -system-libvpx -system-sqlite -test" ABI_X86="(64)" L10N="en-GB -ach -af -an -ar -as -ast -az -bg -bn-BD -bn-IN -br -bs -ca -cak -cs -cy -da -de -dsb -el -en-ZA -eo -es-AR -es-CL -es-ES -es-MX -et -eu -fa -ff -fi -fr -fy -ga -gd -gl -gn -gu -he -hi -hr -hsb -hu -hy -id -is -it -ja -ka -kab -kk -km -kn -ko -lij -lt -lv -mai -mk -ml -mr -ms -nb -nl -nn -or -pa -pl -pt-BR -pt-PT -rm -ro -ru -si -sk -sl -son -sq -sr -sv -ta -te -th -tr -uk -uz -vi -xh -zh-CN -zh-TW"
CFLAGS="-march=native -pipe"
CXXFLAGS="-march=native -pipe -fno-delete-null-pointer-checks -fno-lifetime-dse -fno-schedule-insns -fno-schedule-insns2"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,-rpath=/usr/lib64/firefox,--enable-new-dtags"


I notice this problem only in Firefox, regardless whether it is the built in version or the binary one.
_________________
Desktop: i5-3570k - 2x4 GB - Sapphire HD 7950 Dual-X - 500 GB WD Caviar Black - Dell SE2717H 27"
Laptop: HP EliteBook 850 G5 - i7-8550U - 1x16GB - Intel UHD 620 - 512 GB Samsung NVMe SSD
Phone: OnePlus 5T - SD835 - 8 GB - Adreno 540 - 128 GB


Last edited by alogim on Tue Sep 18, 2018 10:31 am; edited 1 time in total
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tholin
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Joined: 04 Oct 2008
Posts: 165

PostPosted: Tue Sep 18, 2018 8:14 am    Post subject: Reply with quote

I'm guessing that one version defaults to hwaccel off and the other version on. Check "about:support" under Graphics -> Decision Log and compare that between the versions.
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alogim
Tux's lil' helper
Tux's lil' helper


Joined: 21 Aug 2015
Posts: 112

PostPosted: Tue Sep 18, 2018 10:32 am    Post subject: Reply with quote

tholin wrote:
I'm guessing that one version defaults to hwaccel off and the other version on. Check "about:support" under Graphics -> Decision Log and compare that between the versions.

Well, I do not know why, but I am noticing this problem in the binary one as well now. By the way, the Decision Log is exactly the same in both versions.
_________________
Desktop: i5-3570k - 2x4 GB - Sapphire HD 7950 Dual-X - 500 GB WD Caviar Black - Dell SE2717H 27"
Laptop: HP EliteBook 850 G5 - i7-8550U - 1x16GB - Intel UHD 620 - 512 GB Samsung NVMe SSD
Phone: OnePlus 5T - SD835 - 8 GB - Adreno 540 - 128 GB
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ChrisJumper
Advocate
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Joined: 12 Mar 2005
Posts: 2207
Location: Germany

PostPosted: Tue Sep 18, 2018 11:12 pm    Post subject: Reply with quote

And you have no issue with your hardware acceleration? Check when the issue arrived and your last updates. Try if other Browsers have the same issue. Or if it got solved with 52.9.0.
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