Compiz slow, no effects (Gutsy with ATI X1400)

[Michael Bach (gmx)]

Dotan Cohen wrote:
> I have a Dell Inspiron 6400 / E1505 with the ATI X1400 video card and
> 1680x1050 resolution widescreen LCD. With the ATI driver I was able to
> run Beryl at the native resolution with Kubuntu 7.04 (KDE desktop).
> Now that I have upgraded to Gutsy, Compiz is very slow and has no
> graphical effects.

With the update you have performed, did you carry over your xorg.conf 
from the previous kubuntu to gutsy, or did you have gutsy automatically 
generate a new xorg.conf?

Mike

> 
> Here is my xorg.conf:
> # Xorg configuration created by system-config-display
> 
> Section "ServerLayout"
>         Identifier     "single head configuration"
>         Screen      0  "Screen0" 0 0
>         InputDevice    "Keyboard0" "CoreKeyboard"
>         InputDevice    "Synaptics" "CorePointer"
> EndSection
> 
> Section "InputDevice"
>         Identifier  "Keyboard0"
>         Driver      "kbd"
>         Option      "XkbModel" "pc105"
>         Option      "XkbLayout" "us"
> EndSection
> 
> Section "InputDevice"
>         Identifier  "Synaptics"
>         Driver      "synaptics"
>         Option      "Device" "/dev/input/mice"
>         Option      "Protocol" "auto-dev"
>         Option      "Emulate3Buttons" "yes"
>         Option      "SHMConfig" "on"
> EndSection
> 
> Section "Monitor"
> 
>  ### Comment all HorizSync and VertSync values to use DDC:
>  ### Comment all HorizSync and VertSync values to use DDC:
>         Identifier   "Monitor0"
>         ModelName    "LCD Panel 1680x1050"
>  ### Comment all HorizSync and VertSync values to use DDC:
>         HorizSync    31.5 - 90.0
>         VertRefresh  59.9 - 60.1
>         Option      "dpms"
> EndSection
> 
> Section "Device"
>         Identifier  "Videocard0"
>         Driver      "fglrx"
> EndSection
> 
> Section "Module"
>        load "GLcore"
>        load "glx"
>        load "dri"
> EndSection
> 
> Section "DRI"
>        Group 0
>        Mode 0666
> EndSection
> 
> Section "Extensions"
>        Option "Composite" "Disable"  # this makes DRI work with fglrx
> EndSection
> 
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>                 Monitor    "Monitor0"
>         DefaultDepth     24
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     24
>                 Modes    "1680x1050"
>         EndSubSection
> EndSection
> 
> 
> 
> This is the same xorg.conf as I had in Kubuntu 7.04. I'm glad that I
> saved it as without it I could not enable the native 1680x1050
> resolution.
> 
> This is the output of compiz in Konsole:
> gutsy at gutsy-laptop:~$ compiz
> Checking for Xgl: present.
> Checking for nVidia: not present.
> Checking for Xgl: present.
> Starting kde-window-decorator
> /usr/bin/compiz.real (core) - Fatal: GLX_EXT_texture_from_pixmap is missing
> /usr/bin/compiz.real (core) - Error: Failed to manage screen: 0
> /usr/bin/compiz.real (core) - Fatal: No manageable screens found on display :1.0
> 
> I see that it's looking for nVidia specific configuration. I have an
> ATI X1400. What must I configure?
> 
> Thanks in advance.
> 
> Dotan Cohen
> 
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