Description of problem: 3D Acceleration Doesn't work like it works on F13 (ATI). On F13, glxgears show 400~500FPs, but it run only 40~50FPs. Version-Release number of selected component (if applicable): 2.6.35.6-48.fc14.i686 How reproducible: On F14, glxgear Actual results: 40~50FPS Expected results: 400~500FPS on F13 Additional info: I can see lots of bugs about the same problem for different drives with F14.
A very old laptop with ATI Radeon XPRESS 200M, it works like a jet with F13... Now it doesn't work quit well with F14, 50 Fps with glxgears, and no KDE Desktop Effects at all. # glxinfo | egrep -i opengl OpenGL vendor string: X.Org R300 Project OpenGL renderer string: Gallium 0.4 on RS480 OpenGL version string: 2.1 Mesa 7.9 OpenGL shading language version string: 1.20 OpenGL extensions: # uname 2.6.35.6-48.fc14.i686 # rpm -qi kdebase Name : kdebase Relocations: (not relocatable) Version : 4.5.2 Vendor: Fedora Project
F13 # cat glxinfo.f13.txt | egrep -i opengl OpenGL vendor string: DRI R300 Project OpenGL renderer string: Mesa DRI R300 (RS400 5955) 20090101 NO-TCL DRI2 OpenGL version string: 1.5 Mesa 7.8.1 OpenGL extensions: # egrep -i mesa rpm.qa.f13.txt mesa-dri-drivers-7.8.1-9.fc13.i686 mesa-libGLU-7.8.1-9.fc13.i686 mesa-libGL-7.8.1-9.fc13.i686 # egrep kdebase rpm.qa.f13.txt kdebase-runtime-flags-4.5.3-3.fc13.noarch kdebase-libs-4.5.3-1.fc13.i686 kdebase-runtime-libs-4.5.3-3.fc13.i686 kdebase-4.5.3-1.fc13.i686 kdebase-workspace-4.5.3-3.fc13.i686 kdebase-runtime-4.5.3-3.fc13.i686 kdebase-workspace-libs-4.5.3-3.fc13.i686 kdebase-workspace-python-applet-4.5.3-3.fc13.i686
Any one has account on freedesktop, please kindly help file this bug to MESA. Thanks!!!
does vblank_mode=0 glxgears make them any faster?
I'll try to get the result for you as soon as possible. Can you tell me how to disable vsync for X, or is there any utility like dirconf? Thanks for your time!
well vblank_mode=0 should disable it for the 3D app you run, as a good test, I also suspect KDE is doing some thing it didn't use to by default, can you disable Blur if you can find it.
hopefully Blur isn't the problem. And it might not be. Because the content of glxgears windows totally crapped with the Gallium driver, whether I enable desktop effect or not. And BTW, the result of glxgears if under exception whether I enable desktop effect or not, on F14.
1. vblank_mod=0 glxgears: not faster 2. KDE desktop effect with OPENGL, enable or not Vsync, no effect with glxgears 3. Disable Blur double the glxgears result, to around 60 fps.
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