Re: Bad performance with i915 DRI

I have a problem with i915 and OpenGL acceleration  
but works well with SDL ... but pure openGL drive no. 

for example cold_war demo have several problems 
On FC5 


On Sun, 2006-10-15 at 19:10 +0300, Joonas Saarinen wrote:
> I have a machine with the Intel GMA950 on the 945GM chipset and I'm 
> trying to get DRI functional using the i915 driver on Linux with Xorg 
> 7.1.
> 
> Everything looks fine; direct rendering is enabled, glxinfo looks good, 
> no errors anywhere... Yet the graphics performance is exactly the same 
> if I had DRI disabled. With glxgears I get the usual 1000fps but games 
> like Nexuiz and Bzflag are completely unplayable.
> 
> I can even see interrupts being sent to the chip if I 
> monitor /proc/interrupts while using 3D, so one could think that the 
> hardware would really be in use.
> 
> How can this be possible? Could it be that there is some problem and 
> Mesa/DRI/whatever just silently uses software rendering?
> 
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