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Many desktop effects have stopped working.

User avatar drsjlazar
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I have an integrated Intel graphics card (4500M). Some, not all the effects used to work in 4.4... But things like cover switching, shadows, magic lamp, desktop cube all worked perfectly.

However, in 4.5 (I have been using since RC1... none of these work.

Please help. If you need any info I will provide it.
User avatar bcooksley
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Does KWin simply refuse to activate effects? Or are the effects disabled due to "it being too slow"?

If it is too slow, then open System Settings > Desktop Effects > Effects, find "Blur" and disable it.


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User avatar drsjlazar
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KWin simply refuses to activate these effects... If I try I get that notification the dialog " The following desktop effect could not be activated - Cover switch"

I have blur disabled... I don't think my Intel card can handle that.
User avatar bcooksley
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Is there anything in ~/.xsession-errors that hints as to why these effects cannot be activated?


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mgraesslin
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Unfortunately this is a known regression. I investigated it during Akademy. You have to disable the functionality checks in Systemsettings -> Desktop Effects -> Advanced and disable and reenable desktop effects. Suspending compositing seems not to be sufficient.

With your driver the self check at startup fails and KWin falls back to XRender compositing (change compared to 4.5). I will revert this change so that compositing starts suspended instead of falling back to XRender. Interestingly the self check only fails during KWin startup. Later on it is no problem.
User avatar drsjlazar
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I've found this in my ~/.xsession-errors

Code: Select all
systemsettings(6011) SettingsBase::initApplication: Added  "GTK Styles and Fonts"
systemsettings(6011)/kwin KWin::CompositingPrefs::detectDriverAndVersion: GL vendor is "Tungsten Graphics, Inc"
systemsettings(6011)/kwin KWin::CompositingPrefs::detectDriverAndVersion: GL renderer is "Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20100328 2010Q1 "
systemsettings(6011)/kwin KWin::CompositingPrefs::detectDriverAndVersion: GL version is "2.1 Mesa 7.8.2"
systemsettings(6011)/kwin KWin::CompositingPrefs::detectDriverAndVersion: Detected driver "intel" , version "20100328"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_sheet"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_glide"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_mousemark"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_slidingpopups"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_magiclamp"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_blur"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_wobblywindows"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_fade"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_fadedesktop"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_shadow"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_thumbnailaside"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_slide"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_fallapart"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_login"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_explosion"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_taskbarthumbnail"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_logout"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_scalein"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_translucency"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_highlightwindow"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_minimizeanimation"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_invert"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_lookingglass"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_magnifier"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_sharpen"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_snaphelper"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_trackmouse"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_zoom"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_dialogparent"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_diminactive"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_dimscreen"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_slideback"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_boxswitch"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_coverswitch"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_cube"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_cubeslide"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_desktopgrid"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_flipswitch"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_presentwindows"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_resize"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_snow"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  1  offers for  "kwin4_effect_showfps"
systemsettings(6011)/kdecore (KPluginInfo) KPluginInfo::kcmServices: found  0  offers for  "kwin4_effect_showpaint"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL vendor is "Tungsten Graphics, Inc"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL renderer is "Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20100328 2010Q1 "
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL version is "2.1 Mesa 7.8.2"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: Detected driver "intel" , version "20100328"
kwin(4215) KWin::EffectsHandlerImpl::loadEffect: EffectsHandler::loadEffect : Effect  "kwin4_effect_coverswitch"  is not supported
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL vendor is "Tungsten Graphics, Inc"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL renderer is "Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20100328 2010Q1 "
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL version is "2.1 Mesa 7.8.2"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: Detected driver "intel" , version "20100328"
kwin(4215) KWin::EffectsHandlerImpl::loadEffect: EffectsHandler::loadEffect : Effect  "kwin4_effect_coverswitch"  is not supported
systemsettings(6011)/kdeui (KNotification) KNotification::slotReceivedIdError: Error while contacting notify daemon "Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken."
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL vendor is "Tungsten Graphics, Inc"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL renderer is "Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20100328 2010Q1 "
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL version is "2.1 Mesa 7.8.2"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: Detected driver "intel" , version "20100328"
kwin(4215) KWin::EffectsHandlerImpl::loadEffect: EffectsHandler::loadEffect : Effect  "kwin4_effect_coverswitch"  is not supported
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL vendor is "Tungsten Graphics, Inc"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL renderer is "Mesa DRI Mobile Intel® GM45 Express Chipset GEM 20100328 2010Q1 "
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: GL version is "2.1 Mesa 7.8.2"
kwin(4215) KWin::CompositingPrefs::detectDriverAndVersion: Detected driver "intel" , version "20100328"


@mgraesslin Thanks I will try that later on today.
User avatar drsjlazar
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mgraesslin wrote:Unfortunately this is a known regression. I investigated it during Akademy. You have to disable the functionality checks in Systemsettings -> Desktop Effects -> Advanced and disable and reenable desktop effects. Suspending compositing seems not to be sufficient.

With your driver the self check at startup fails and KWin falls back to XRender compositing (change compared to 4.5). I will revert this change so that compositing starts suspended instead of falling back to XRender. Interestingly the self check only fails during KWin startup. Later on it is no problem.


Thank you. This works. Effects not supported by the Intel card do not work (obviously) e.g. invert colors... but cover switch, etc are working as before.

If you need any info to help fix this issue, do not hesitate to ask me.
cschmit
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I hat the same problem one user with destop effects enabled and an another user with desktop effects disabled on the same PC.

To solve the problem I removed the file ".kde/share/config/kwinrc"
After that login/logout and reconfigure the desktop effect and Virtual Desktops and everything works fine.

 
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