不支持直接贴图渲染效果了？怎么办？

[stonny]

装好了nvidia的驱动， 显卡： Geforce 6100的. 装好了nvidia驱动，也能正常运行了。
开机能看到nvidia的logo了
但用glxinfo |grep rendering还是NO.

$ nvidia-settings

ERROR: NV-CONTROL extension not found on this Display.

ERROR: Unable to determine number of NVIDIA GPUs on ':0.0'.

ERROR: Unable to determine number of NVIDIA Frame Lock Devices on ':0.0'.

ERROR: Unable to determine number of NVIDIA VCSCs on ':0.0'.

/usr/share/themes/LegacyHuman/gtk-2.0/gtkrc:55: Clearlooks configuration option "sunkenmenu" is not supported and will be ignored.
/usr/share/themes/LegacyHuman/gtk-2.0/gtkrc:56: Clearlooks configuration option "menuitemstyle" is not supported and will be ignored.
/usr/share/themes/LegacyHuman/gtk-2.0/gtkrc:57: Clearlooks configuration option "listviewitemstyle" is not supported and will be ignored.

怎么解决呢?