Gabriel Knight 3 -- green tint \ VOGONS

Gabriel Knight 3 -- green tint

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First post, by feda

Posted on 2024-12-16, 05:14

feda Offline

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Posts: 386
Joined: 2010-07-04, 02:20

Playing GK3 with DGV (2.83.2) gives the game a green/yellow tint. See screenshot.
Colors appear normal without DGV.
This game has a bunch of other bugs which DGV fixes, so I would prefer it if not for the tint.

Left: DGV.
Right: Default rendering.
I hope you can see the difference. It might appear subtle, but I notice and it's annoying.

What I've tried: changing the color space and messing with the color adjustment had no desired effect.
Could it have something to do with color management profiles in Windows?

Also note the heavy color banding on the door and Gabriel's pants.
What's going on there? Is it trying to convert 16-bit graphics to 32-bit and messing it up somehow?

Reply 1 of 2, by Dege

Posted on 2024-12-16, 17:28

Dege Offline

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Actually the 'greenish' version is how the game is supposed to look. I tried it on Win7 and it looked the same as with dgVoodoo, but even a bit darker (on the same monitor). There is a lighted lamp at the door.

Win10+ does not support changing the gamma ramp, it silently fails, that's why it does not work through native DDraw.
See https://learn.microsoft.com/en-us/windows/win … devicegammaramp

Reply 2 of 2, by feda

Posted on 2024-12-16, 19:38

feda Offline

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Rank: Member
Posts: 386
Joined: 2010-07-04, 02:20

You're right. I should've done more testing.

I didn't feel like hooking up a real rig, so I've just now emulated it under PCem with a Voodoo3 2000 and it looked like the greenish screenshot.
Only difference was almost no color banding thanks to dithering.

But I figured out how to set Ordered 4x4 dither under DirectXExt and that solved the banding issue😁
And the game even supports true widescreen.

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