Version: (using Devel) Installed from: Compiled sources I try to turn on Desktop Cylinder, but it isn`t work. I tried to do kwin -replace: kwin(6698) KWin::Workspace::slotReconfigure: Workspace::slotReconfigure() kwin(6698) KWin::Extensions::init: Extensions: shape: 0x "11" composite: 0x "4" render: 0x "a" fixes: 0x "40" kwin(6698) KWin::CompositingPrefs::detect: glx version is 1 . 2 kwin(6698) KWin::CompositingPrefs::detectDriverAndVersion: GL vendor is "Tungsten Graphics, Inc" kwin(6698) KWin::CompositingPrefs::detectDriverAndVersion: GL renderer is "Mesa DRI Intel(R) 965GM 20080716" kwin(6698) KWin::CompositingPrefs::detectDriverAndVersion: GL version is "1.4 Mesa 7.2" kwin(6698) KWin::CompositingPrefs::detectDriverAndVersion: XGL: no kwin(6698) KWin::CompositingPrefs::detectDriverAndVersion: Detected driver "intel" , version "965.GM" kwin(6698) KWin::CompositingPrefs::applyDriverSpecificOptions: intel driver, disabling vsync, enabling direct kwin(6698) KDecorationPlugins::loadPlugin: kwin : path "/home/kde-devel/kde/lib64/kde4/kwin3_ozone.so" for "kwin3_ozone" kwin(6698) KWin::EffectsHandlerImpl::unloadEffect: EffectsHandler::unloadEffect : Unloading Effect : "kwin4_effect_cube" kwin(6698) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_sharpen" kwin(6698) KWin::EffectsHandlerImpl::loadEffect: EffectsHandler::loadEffect : Effect "kwin4_effect_sharpen" is not supported kwin(6698) KWin::EffectsHandlerImpl::loadEffect: Trying to load "kwin4_effect_cylinder" kwin(6698) KWin::EffectsHandlerImpl::loadEffect: EffectsHandler::loadEffect : Effect "kwin4_effect_cylinder" is not supported but I have shader support as I understand.
Created attachment 29242 [details] glxinfo results for my system
Although #173556 is mainly about ATI systems I'd say it's the same problem. *** This bug has been marked as a duplicate of bug 173556 ***