[info-performer] Texture Capacity With Geforce 4

From: David Lyne (davidl++at++equipe.ltd.uk)
Date: 05/20/2002 01:37:47

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Hello,

We have recently bought a GeForce 4 TI 4600 with 128 MB of memory.

We are using the pfQuerySys function with PFQSYS_TEXTURE_MEMORY_BYTES to
get the
amount of texture memory, and it seems to be returning only 32 MB!

Disabling the texture memory check enables our software to run, but the
performance seems to
be hampered due to the lack of texture memory.

We have tested on a Geforce 3 Ti 500 with 64MB of memory. The correct
amount of texture memory is available on this card.
We have also tested on a TNT2 with 32 MB of memory. With this card no
texture memory is available!

I have looked at the /var/log/XFree86.0.log file to varify the texture
memory. The following line is present:

(--) NVIDIA(0): VideoRAM: 131072 kBytes

This seems to indicate the correct amount of memory on the GeForce 4.

Thanks in advance,

David Lyne
Equipe Electronics

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