2008-11-03, 19:59
Finally we're on to something!
I've just activated "Let the Driver Choose" and I can sense an improvement. I will test this further in the following days, there still is a slight judder, but this might very well be the "normal" upconvertion to 60Hz one...
For ATI Users, after you've activated "Let the Driver Choose", make sure, that your Display Resolution and your Video Resolution are both set to the Displays default one, then rightclick on your desktop and bring up the Catalyst Controll Center, navigate to 3D, select "all settings", and change "Wait for vertical refesh" to "On, unless the application states otherwise" (<- rough translation, may be named different.. ) to geht vsynch enebled in XBMC. If you don't you'll have strong tearing and won't be able to tell, if there is any improvement/less judder.
For the XBMC team: Could you look into the forced vsync code and try to resolve if it is indeed responsible for the jerkiness, and for a short fix, could you tweak XBMC so it would be sufficient to set the ATI driver to "No, unless the application states otherwise", because I don't wan't to have vsync enabled for all my apps, all the time - so now I've to change the setting in the control panel every time before running XBMC.
I've just activated "Let the Driver Choose" and I can sense an improvement. I will test this further in the following days, there still is a slight judder, but this might very well be the "normal" upconvertion to 60Hz one...
For ATI Users, after you've activated "Let the Driver Choose", make sure, that your Display Resolution and your Video Resolution are both set to the Displays default one, then rightclick on your desktop and bring up the Catalyst Controll Center, navigate to 3D, select "all settings", and change "Wait for vertical refesh" to "On, unless the application states otherwise" (<- rough translation, may be named different.. ) to geht vsynch enebled in XBMC. If you don't you'll have strong tearing and won't be able to tell, if there is any improvement/less judder.
For the XBMC team: Could you look into the forced vsync code and try to resolve if it is indeed responsible for the jerkiness, and for a short fix, could you tweak XBMC so it would be sufficient to set the ATI driver to "No, unless the application states otherwise", because I don't wan't to have vsync enabled for all my apps, all the time - so now I've to change the setting in the control panel every time before running XBMC.