Radeon and OpenGL version

Andrea Venturoli ml at netfence.it
Sat Dec 29 20:56:47 UTC 2012

Just a curiosity...

On a 9.0/i386 box I have:

> #pciconf -lv
> ...
> vgapci0 at pci0:1:5:0:     class=0x030000 card=0x17041565 chip=0x97101002 rev=0x00 hdr=0x00
>     vendor     = 'ATI Technologies Inc'
>     device     = 'RS880 [Radeon HD 4200]'
>     class      = display
>     subclass   = VGA

> %glxinfo |grep -i render
> IRQ's not enabled, falling back to busy waits: 2 0
> direct rendering: Yes
> OpenGL renderer string: Mesa DRI R600 (RS880 9710) 20090101 x86/MMX+/3DNow!+/SSE2 TCL

Some 3D programs work, others are too slow.
Recently I got:
>Your system supports OpenGL version "1.2 Mesa 7.6.1..."

AFAICT my card should provide a much higher OpenGL version and the 
radeon driver should cope.
Why this 1.2?

I tried looking around, but I tend to get completely lost in the maze 
when I get to investigate the X.org driver and the ATI chipsets...

  bye & Thanks

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