Theme Park World / Sim Theme Park 3dfx graphics issue

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Theme Park World / Sim Theme Park 3dfx graphics issue

Postby heretic » 2016-2-23 @ 07:22

Hi!
So i've just assembled my legacy gaming pc (PIII 650, 3x 128mb ram, 3dfx voodoo 3 3000, win98se) and started testing it with one of my favorites: Theme Park World and already there seems to be some problem with graphics quality. When game is played with software renderer in 800x600 textures look very sharp, but fps is poor, after switching to hardware renderer game runs smoothly but textures are very blurry and look like its set to lowest quality. Could this be issue with voodoo 3? I know it supports textures only up to 256x256 but as i recall from the past 3dfx was one of officialy supported cards for this game.

My drivers version is 1.07, haven't tried with older drivers yet, running with Directx 7.0

If anyone could point me on how to fix this it'd be very appreciated!
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Re: Theme Park World / Sim Theme Park 3dfx graphics issue

Postby DracoNihil » 2016-2-23 @ 19:32

Are you sure you're not confusing the quality difference between point-sampled filtering (software modes do this) and bilinear filtering (which what all 3D accelerators do at some level)?

Some screenshots would be nice to determine what the quality loss really is.
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Re: Theme Park World / Sim Theme Park 3dfx graphics issue

Postby heretic » 2016-2-23 @ 21:34

I might confuse things since it's been a long time when i played this game last time.

Here's screenshot with software renderer
Image

and with hardware renderer
Image
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Re: Theme Park World / Sim Theme Park 3dfx graphics issue

Postby notindeed » 2016-2-23 @ 22:34

Wow that's definitely lower resolution textures, yes.

No experience with the game though, sorry :$

I do remember games used to have different patches for mods for textures to make them work for voodoo cards due to their texture limitations so maybe it is something to do with that?
I only know this due to seeing voodoo specific versions of grand prix legends mods etc.
So i'm probably talking crap haha

Sorry i can't be of more help
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Re: Theme Park World / Sim Theme Park 3dfx graphics issue

Postby DracoNihil » 2016-2-24 @ 01:34

That almost looks like it's trying to compensate for low VRAM... Kinda reminds me of what I'76 looks like if you use Direct3D, compared to 3DFX Glide. (Infact alot of early Direct3D games did that.. Very low res assets for D3D but not for Glide)

I'd have to look at this games textures directly to judge properly but I'm finding it hard to believe the texture quality being bad on HW mode. That doesn't look like 256x256 at all.
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Re: Theme Park World / Sim Theme Park 3dfx graphics issue

Postby heretic » 2016-2-24 @ 07:38

Checked it with directx 8 and latest AmigaMerlin drivers for 9x and no change at all, also messed with 3dfx tools for direct3d, no matter what i changed they had literrally no effect on graphics quality. I'll swap this voodoo3 for savage4 later today and will post a screenshot just to compare differences between these two.

EDIT

Tested it with drivers version 1.03 and it looked much better, textures were still blurried but it could just be bilinear filtering. Pixelation added to image was gone, i suppose it caused that ugly look in hardware mode. Tho the 1.03 driver gives me problems with other games like Croc so i suppose there's no compromise to have everything working as it should at a time. Tested also x3dfx and 1.05-1.06 drivers, they all add pixelation to image, any tweaking with 3dfx Tools or V.Control makes no difference at all.

EDIT 2

It seems best option to play Direct3D games is to use 1.03.05 driver. No issues with other games so far.
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