xf86-videdo-intel branch intel-batchbuffer

[Michel Dänzer]

On Mon, 2008-01-21 at 16:25 +0100, Johannes Engel wrote:
> 
> I just tested the intel-batchbuffer branch with my 945GM to get rid of
> those performance problems using EXA and a composite manager.
> As a result I can confirm, that I do not see any performance issue using
> this branch. Instead I nearly see nothing.  ;)  In the attachment you can
> find a screenshot of my desktop using compiz.
> Without using compiz or kwin4 everything seems to be ok. Even a pure
> composite manager as xcompmgr works as expected.
> 
> Disabling FramebufferCompression, Tiling and enabling ExaNoComposite did
> not help.
> 
> Any suggestions?

Maybe the batchbuffer branch doesn't properly support zero-copy
GLX_EXT_texture_from_pixmap yet, try commenting out the

	 pDRIInfo->texOffsetStart = I830TexOffsetStart;

assignment in src/i830_dri.c.


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