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Old 09-03-04, 01:49 PM   #25
Rollo
 
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Default Re: GeForce FX 5950 and Source DX 9 performance...

I could swear the reason for this is that when forced to run DX9 PS2 the nV3Xs have to use 32bit precision because they don't have 24 bit, and the app has to specifically call for 16 bit?

Could someone with a better memory or more knowledge of this verify or shoot me down?
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Old 09-03-04, 03:54 PM   #26
Arraso
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Default Re: GeForce FX 5950 and Source DX 9 performance...

Quote:
Originally Posted by Demirug
I am not want to be "green" or "red". As I am not working for one of the two sides in this war I have the right to make what ever I want.
Just kidding

Rollo: Yes, VST and CS:S in DX9 mode force full-precision in all cards - 24-bit or 32-bit. Demirug says in some posts ago that enabling FP16 caps even than FP32, the performance can grow up to 50%.
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Old 09-04-04, 01:46 AM   #27
Edge
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Default Re: GeForce FX 5950 and Source DX 9 performance...

I'd like to see what kind of a difference forcing all the shaders into 16-bit would make, both to performance and to image quality. Too bad there's no more Mixed Mode, I doubt it would really be hard for them to change a few shader calls into 16-bit while leaving ones that have a noticable visual difference at 32-bit.
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Old 12-08-04, 04:46 AM   #28
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Default Re: GeForce FX 5950 and Source DX 9 performance...

THE SOLUTION:
http://forums.guru3d.com/showthread.php?threadid=117117
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