radeon driver: google earth not accelerated

[Alex Deucher]

On Fri, May 16, 2008 at 5:31 PM, Jethro Tull <heavytull at hotmail.com> wrote:
>
>  my Gcard is an ATI Mobility radeon X300; I'm using the Open source radeon
> driver compiled for Xorg 1.4.0.90, module version = 4.3.0.
>
> I don't understand why google earth is still so slow. this driver is claimed
> to provide full 3D acceleration. glxinfo actually confirms that the direct
> rendering is on.
>
> Some 3D screen savers are actually very fast, and do not eat the CPU
> resources. but google earth pushes the CPU to 100% load.

googleearth uses smooth lines extensively what are not accelerated in
the r300 driver at the moment.  You can set the
disable_lowimpact_fallbacks driconf option to disable the fallbacks
which are what are causing the performance issues.

Alex