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On Tuesday 23 November 2010, Nikos Chantziaras wrote: |
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> On 11/23/2010 02:20 AM, Robin Atwood wrote: |
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> > On Tuesday 23 November 2010, Nikos Chantziaras wrote: |
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> >> On 11/22/2010 09:40 PM, Robin Atwood wrote: |
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> >>> On Tuesday 23 November 2010, Nikos Chantziaras wrote: |
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> >>>> On 11/22/2010 07:02 PM, Robin Atwood wrote: |
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> >>>>> I have just gone through the steps to use the Radeon KMS driver on my |
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> >>>>> old laptop which has an RV350 [Mobility Radeon 9600 M10]. Everything |
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> >>>>> seems to work all right and I get the right "render string" from |
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> >>>>> glxinfo. However, I thought it might enable compositing to work on |
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> >>>>> the KDE4 desktop but there is no change. What's more, glxgears used |
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> >>>>> to give about 2200 FPS but now it's 50! So have I been wasting my |
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> >>>>> time? |
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> >>>> |
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> >>>> You have to enable compositing yourself in System Settings. |
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> >>> |
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> >>> Of course, but it didn't take. |
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> >>> |
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> >>>> KMS means you're using DRI2 now, which results in a VSync'ed OpenGL |
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> >>>> rendering. Though I'd expect 60FPS because of VSync, not 50 :-P |
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> >>>> |
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> >>>> One other thing you should do is to enable the "gallium" USE flag and |
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> >>>> |
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> >>>> re-emerge Mesa. Then switch to the Gallium driver using: |
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> >>>> eselect mesa r300 gallium |
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> >>>> |
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> >>>> Because that driver is the recommended one for your hardware (R300). |
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> >>>> The classic driver should be avoided. |
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> >>> |
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> >>> Thanks, I would try that, but... |
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> >>> |
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> >>> # emerge -av media-libs/mesa |
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> >>> |
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> >>> These are the packages that would be merged, in order: |
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> >>> |
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> >>> Calculating dependencies... done! |
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> >>> [ebuild U ] x11-libs/libX11-1.4.0 [1.3.6] USE="-doc -ipv6 |
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> >>> -static-libs - test (-xcb%*)" 2,036 kB |
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> >>> [ebuild R ] media-libs/mesa-7.8.2 USE="nptl pic xcb -debug |
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> >>> (-gallium) - motif (-selinux)" VIDEO_CARDS="radeon -intel -mach64 -mga |
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> >>> -nouveau -r128 - savage -sis -svga -tdfx -via" 0 kB |
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> >>> |
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> >>> I set "gallium" in /etc/make.conf but (-gallium) means the flag is |
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> >>> turned off in a profile somewhere? |
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> >> |
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> >> Oh, you're not on ~arch. I assumed to much. I don't know how that |
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> >> works on old versions of the drivers and Mesa, or whether Gallium3D was |
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> >> any good with old versions of Mesa. I can only confirm that it works on |
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> >> recent versions. |
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> >> |
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> >> For your KDE problem, try adding/changing these in your |
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> >> |
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> >> ~/.kde4/share/config/kwinrc: |
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> >> [Compositing] |
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> >> Backend=OpenGL |
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> >> CheckIsSafe=false |
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> >> DisableChecks=true |
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> >> Enabled=true |
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> >> GLDirect=true |
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> >> GLTextureFilter=1 |
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> >> GLVSync=false |
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> >> OpenGLIsUnsafe=false |
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> > |
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> > When I try to enable compositing KDE gives a message that it's not |
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> > possible. Setting "Disable checks" also gives an error message. So I |
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> > cannot see any actual benefit. |
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> |
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> Try the whole thing I posted, because some of the settings do *not* have |
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> a GUI button and can only be enabled/disabled by editing kwinrc. |
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Nah, the desktop failed to load. I am now trying mesa-7.9 from the x11 |
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overlay. |
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|
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-Robin |
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-- |
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---------------------------------------------------------------------- |
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Robin Atwood. |
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|
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"Ship me somewheres east of Suez, where the best is like the worst, |
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Where there ain't no Ten Commandments an' a man can raise a thirst" |
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from "Mandalay" by Rudyard Kipling |
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