Performance improvements on X600

[Michel Dänzer]

On Sat, 2007-06-23 at 13:53 +1000, Marek Wawrzyczny wrote:
> 
> As of 22/06/2007 21:00 AEST, compiz desktop seems to have received a 
> significant performance boost. For example, the cube effect which usually 
> taxed the CPU at nearly 90% (in performance mode) is now almost insignificant 
> (8%-15% with CPU utilization in the powersave mode!) which leads me to 
> believe that something must have changed in the radeon driver or drm in the 
> last 48 hours to offset most of the work onto the GPU. Impressive.

You probably received the zero-copy GLX_EXT_texture_from_pixmap bits.

> I also have a quetion about the OpenGL depth feature for the r300 chipset. At 
> present it's not supported. This causes any OpenGL window Is there anything 
> users can do to help bring this feature for the r300 chipset?

The problem is that 3D rendering isn't handled properly for redirected
windows yet but always goes to the screen directly, see
http://dri.freedesktop.org/wiki/DirectRenderingToRedirectedWindows for a
rough plan how to fix this.


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer