El Lunes, 4 de Agosto de 2008, Christoph Burgmer escribió: > Am Monday, 4. August 2008 schrieb Raúl Sánchez Siles: > > El Sábado, 2 de Agosto de 2008, Christoph Burgmer escribió: > > > Am Saturday, 2. August 2008 schrieb Christoph Burgmer: > > > > - Are the nice app switching effects implemented in 4.1? It doesn't > > > > look like the screenshots I've seen. > > > > > > To answer myself: I found the feature in system settings. All the > > > animations work decently, the only problem ist that scrolling through > > > webpages is massively slower even if all single animations are switched > > > off thus rendering it unusable for me on a ThinkPad with i810. > > > > > > Does anybody have a good reason why scrolling is so slow and if I can > > > somehow work around it? I consider posting a bug at bugs.kde.org > > > > I suppose that you are using the latest intel driver, currently i810 > > package just links to the real intel driver (as opposed to old i810 > > driver). I've starting to investigate this issue but I don't have a > > conclusion yet. Even more I own a 955GM card so YMMV. > > > > So far you need to take into account several things. First of all is > > that using composite effects may have a major impact on the graphics > > performance, it's not the same to accelerate mixed 3D/2D than just 2D. > > You also need to take into account the hardware performance, that's > > something you can't change unless you buy a newer card, yet more > > difficult with intel (usually integrated). > > > > Take a look at the xorg driver version you are using, 2.4.0 is the > > latest intel driver version, where 2.4.1 may come. Also you may be > > interested in trying with some other more up-to-date stuff, and provided > > you are using experimental, you can try linux 2.6.26 and mesa 7.1 rc3 > > (packages libgl1-mesa-glx and libgl1-mesa-dri). > > > > Do not use packages from experimental if you don't know what you are > > doing. > > I was using the version from unstable but tried to switch to the > experimental one, which needed some further upgrades. After that kdm would > freeze and no input was accepted so I reverted back to the lenny version. > Btw. I have on- board graphics on a IBM Thinkpad. > > > Also acceleration method is important, looks like mature xaa is still > > better performant on some cases than newer exa, you can specify which one > > to use adding the line: > > Option "AccelMethod" "xaa" > > in the Device section of xorg.conf > > I'll try that. > > > There is also some important development being carried out in either > > the xorg server and the driver for improving things, but don't expect it > > for Lenny. > > > > Last but not least, I've heard that there are some major Qt4 > > regressions affecting text rendering performance, but this is almost > > gossip. > > > > If someone from XSF or any other concerned about this field may have > > something more to add/correct. > > Many thanks for your precise post. Thanks also to Ferdinand. > I believe that some of the composite things are not only eye candy but > usability improvements so I'll further play around with KDE settings and > meanwhile continue to post bug reports on other glitches. > > Chris
I forgot to mention that may be interested in trying both acceleration methods kwin can use: xrender and opengl. You can find that in the desktop settings, desktop effects, advance configuration. I've found that xrender performs better in my case. HTH, -- Raúl Sánchez Siles ----->Proud Debian user<----- Linux registered user #416098
signature.asc
Description: This is a digitally signed message part.