DirectX 12 on Sandstorm - potential FPS increase

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peglegswansoon
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DirectX 12 on Sandstorm - potential FPS increase

Post by peglegswansoon » Sun Aug 02, 2020 10:16 pm

I saw this in the Steam guides. Set the launch option "-dx12" for Sandstorm in Steam. It allows you to use DirectX 12 if your graphics hardware supports it. I got a fairly substantial FPS increase of around 25-30%! At first there was some more stuttering than usual, but this went away after a minute or so.

As it mentions in the post, you need to use Fullscreen mode and make sure the Resolution is the same as your Windows desktop setting. This means for example if you have a 4K monitor but play the game in 1080p for better performance, you need to set the game to 4K and reduce the Resolution Scale to compensate.

Texture Streaming Pool - I normally had this set to "Off", but in DX12 the textures wouldn't load at all! I had to set it to "High" instead.

Drop a reply if you try it out, let us know how it goes!

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Re: DirectX 12 on Sandstorm - potential FPS increase

Post by Spawnsy » Mon Aug 03, 2020 9:21 am

Ooh! Good shout! I'll have a look at that.
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Hairy Frog
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Re: DirectX 12 on Sandstorm - potential FPS increase

Post by Hairy Frog » Mon Aug 03, 2020 10:24 am

If the improvement from 11 to 12 is the same as what it was from 10 to 11, it must be something ....
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peglegswansoon
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Re: DirectX 12 on Sandstorm - potential FPS increase

Post by peglegswansoon » Mon Aug 03, 2020 9:48 pm

After trying this for a few rounds tonight, unfortunately I had some issues. At first everything was fine, but when the map changed parts of the HUD started glitching - the ammo counter and tactical minimap became distorted, so did compass indicators. Eventually I started seeing weird texture bugs too. Textures far away from me gained a blue/green tinge. Other textures started flickering black. I restarted the game once I saw more flickering in the skybox... After that it was fine for a map! The FPS improvement was still solid throughout. I'll stick with it for now.

Minimap bug

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Hairy Frog
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Re: DirectX 12 on Sandstorm - potential FPS increase

Post by Hairy Frog » Tue Aug 04, 2020 5:42 am

Game features probably :wink: ..... NWI can do that :mrgreen:

DX12 isn't so old, and converting an older game is probbaly more dificult than building a new one. The devs yet have to master it
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peglegswansoon
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Re: DirectX 12 on Sandstorm - potential FPS increase

Post by peglegswansoon » Sat Aug 29, 2020 10:55 pm

As of the latest patch, can report that I'm still getting the same FPS increase - particularly with Dynamic Shadows enabled, on DX11 these would tank my performance but now they work well. Gives you a little advance warning when someone is trying to sneak around the corner :)
Also the weird graphical glitches that appeared after changing map have now gone away! Would definitely recommend giving this a try now.

As an aside, unfortunately it does not seem to prevent the new stuttering/lag bug that was introduced in the latest patch.

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