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Bug#455065: libgl1-mesa-glx and fglrx-driver (proprietary) share /usr/lib/libGL.so.1.2



reassign 455065 fglrx-driver
retitle 455065 performace drop and broken fgl_glxgears when using
debian-packages kthxbye

Again: *PLEASE* keep the BTS cc:ed, even Mutt knows "reply-all"

On Sun, 9 Dec 2007 01:36:38 +0100 Gerard Robin wrote:

> >So 8.43.2-2 is working fine together with libgl1-mesa-glx?
> yes.

Fine, so at least our packages are not completelly broken.

> >What do you mean by "fgl_glxgears didn't work"? Does the normal
> >glxgears work? Or other 3D-apps?
> 
> fgl_glxgears gives:
> Using GLX_SGIX_pbuffer
> X Error of failed request:  GLXUnsupportedPrivateRequest
>    Major opcode of failed request:  143 (GLX)
>    Minor opcode of failed request:  16 (X_GLXVendorPrivate)
>    Serial number of failed request:  28
>    Current serial number in output stream:  30

I wonder if fgl_glxgears is still usefull, as we don't have an own
libGL anymore, however, could you show glxinfo?

> glxgears gives:
> 2668 frames in 5.2 seconds = 513.488 FPS
> 2760 frames in 5.1 seconds = 540.326 FPS
> 2760 frames in 5.1 seconds = 536.650 FPS
> 2760 frames in 5.0 seconds = 547.812 FPS
> ......
> ========================================
> with the ati drivers 8.433 (proprio):
> glxgears:
> 8883 frames in 5.2 seconds = 1776 FPS

glxgears is not a benchmark, but it should give similiar results when
run with the same driver on the same hardware, so we fail here?
Could you try some "real" benchmark? Like playing Quake and look there
at the FPS counter?

> .....
> fgl_glxgears:
> 1767 frames in 5.2 seconds = 353 FPS

I really would love to know what difference is in that binary.
However, it seems we do something wrong, maybe Romain has time to look
at that.

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