What can NVIDIA's NV40/G70? They can filter FP16 textures. What can't they? MSAA on FP16 render target ("FP16-MSAA").
What can AMD's R520/R580? They can do MSAA on FP16-RT, but they can't filter FP16 textures. That's why we got HDR implementation Nr. 4.
And now look at this...
It's possible since Lost Coast release.
http://developer.valvesoftware.com/wiki/HDR_Lighting_Basics
It's easy, all you need is time.
Problem Nr. 1:
Ergo: We must create a new HDR HL2 mod.
Problem Nr. 2:
Where the hell can we get all HL2 maps? I'm not sure, but I doubt VALVe allow to...
At this moment there are two water bugs in HL2:
The first one is the so called AI bug ("dirty water"), it exists since cat. 5.7; it seems, that ATi's shader compiler has problems with HL2's water shader. Solution: turn off the AI or use catalyst 5.6. This bug may be fixed with cat. 6.1.
The...
If your 6600GT really has 125MB Video-RAM, that could be a problem. :cheers:
Your 6600GT is not "strong" enough for high settings with AA (128bit memory interface).
Since the DoD:S release HL2's got its HDRR, you can turn it on with mat_hdr_enabled 1. ;)
Valve has promised to update HL2 with HDR content.
http://www.bit-tech.net/gaming/2005/06/14/hl2_hdr_overview/4.html
"And will HDR be retrofitted to the full Half Life 2 game? IGN quotes a Valve rep...