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This is an interesting open source project! vkBasalt is a new Vulkan post processing layer that currently supports Contrast Adaptive Sharpening.

Unlike Radeon Image Sharpening, vkBasalt supports Linux and works with both NVIDIA and AMD. This isn't entirely reinventing the wheel though, as it's partly based upon the ReShade port of AMD's CAS. Still, it's fun to see what hackers are able to do with little layers like this, especially when we don't have official support.

Want to see the difference it makes? The developer included a comparison shot of Skyrim:

See a bigger comparison on this dedicated page.

Seems like a really fun idea, although the result might not be to everyone's tastes it's very much personal preference. It does make it look quite a lot sharper to my eyes.

It's already seeing plenty of activity on GitHub with others helping out, in time this could be quite an interesting Vulkan layer if more options get added in.

You can find it on GitHub.

Hat tip to RTheren.

Article taken from GamingOnLinux.com.
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31 comments
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Dunc 21 October 2019 at 6:09 pm UTC
14I like this example and would totally use it in Skyrim at least. I'd test it on many games.
I think that's wise. I've quickly tested it on a few; in most, the effect seems more subtle than it appears in that Skyrim shot above: it either just made everything look a bit clearer (the best way I can describe it is that it's as if I'm using higher resolution textures; the road surface in the Skyrim shot is a good demonstration of what I mean), or had so little effect that I'm not even sure if it's working at all. But it definitely gives Elite Dangerous that unpleasant artificial over-sharpened look (maybe it already uses a sharpening filter?).

So, yeah: try it out. Even if you don't like it in one game, you might be surprised by others.
Purple Library Guy 21 October 2019 at 6:39 pm UTC
Interesting effect. I get the feeling that it looks better but makes my eyes work harder somehow.
aFoxNamedMorris 21 October 2019 at 6:46 pm UTC
DOOM 2016 totally rocks with this enabled on maxed out settings.
Maath 21 October 2019 at 7:01 pm UTC
So it's aliasing. Seems easier to just turn off anti-aliasing.

I'm waiting for displays with enough pixel density that we don't need any of these post processing features.
stan 21 October 2019 at 7:25 pm UTC
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NeoTheFoxGreat job on that sliding preview, it really works well for side-by-side. You are very good at this Liam.
Eh, without your post I would never have noticed the central bar in the picture could be moved.
sub 21 October 2019 at 8:29 pm UTC
Liam Dawe
NeoTheFoxGreat job on that sliding preview, it really works well for side-by-side. You are very good at this Liam.
Can't take all credit. I implemented it using https://github.com/koenoe/cocoen, no point reinventing the wheel

Nice feature, Liam.

Do you notice a slight misalignment between the two pictures?
I wonder if this is due to the source material slightly shifted,
the post-processing or the implementation of the new feature?
nox 21 October 2019 at 8:40 pm UTC
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This is a really sweet tip, thanks Liam!

Make some of the rather lackluster parts of FFXIV much nicer to look at.
Spoiler, click me
image
Combination of in-game filters and vkbasalt.


Last edited by nox on 21 October 2019 at 8:41 pm UTC
Liam Dawe 21 October 2019 at 8:40 pm UTC
sub
Liam Dawe
NeoTheFoxGreat job on that sliding preview, it really works well for side-by-side. You are very good at this Liam.
Can't take all credit. I implemented it using https://github.com/koenoe/cocoen, no point reinventing the wheel

Nice feature, Liam.

Do you notice a slight misalignment between the two pictures?
I wonder if this is due to the source material slightly shifted,
the post-processing or the implementation of the new feature?
I don't see any misalignment? Can you point it out?
sub 21 October 2019 at 8:51 pm UTC
Liam Dawe
sub
Liam Dawe
NeoTheFoxGreat job on that sliding preview, it really works well for side-by-side. You are very good at this Liam.
Can't take all credit. I implemented it using https://github.com/koenoe/cocoen, no point reinventing the wheel

Nice feature, Liam.

Do you notice a slight misalignment between the two pictures?
I wonder if this is due to the source material slightly shifted,
the post-processing or the implementation of the new feature?
I don't see any misalignment? Can you point it out?

Here it's just a pixel or so.
If I quickly move the slider, so that it's like swapping the images,
it clearly looks like the post-processed image is slightly shifted downwards.

Wait, this is strange.

When I freshly open the page, it looks fine.
Once I go to another comment page this misalignment occurs and stays until I freshly open the article,
say in another tab.

Firefox on Fedora.

Yet, it's really not a big thing.

Can you reproduce that?
nox 21 October 2019 at 9:02 pm UTC
View PC info
  • Supporter
sub
Liam Dawe
sub
Liam Dawe
NeoTheFoxGreat job on that sliding preview, it really works well for side-by-side. You are very good at this Liam.
Can't take all credit. I implemented it using https://github.com/koenoe/cocoen, no point reinventing the wheel

Nice feature, Liam.

Do you notice a slight misalignment between the two pictures?
I wonder if this is due to the source material slightly shifted,
the post-processing or the implementation of the new feature?
I don't see any misalignment? Can you point it out?

Here it's just a pixel or so.
If I quickly move the slider, so that it's like swapping the images,
it clearly looks like the post-processed image is slightly shifted downwards.

Wait, this is strange.

When I freshly open the page, it looks fine.
Once I go to another comment page this misalignment occurs and stays until I freshly open the article,
say in another tab.

Firefox on Fedora.

Yet, it's really not a big thing.

Can you reproduce that?

I'm getting this consistently. Seems like the post-processed image is ~2 pixels further down, but it's barely noticeable.
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