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TOPIC: MXAO Blurry?

MXAO Blurry? 1 month 1 week ago #1

when i enable or mess with any of the settings on mxao (regular and quint) it just stays low quality/blurry. what can i do to fix? :( and yes aa is off

with mxao: prntscr.com/ocudkw

without mxao: prntscr.com/ocudtz
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MXAO Blurry? 1 month 1 week ago #2

Is this an online Game?
Depth based Shaders are turned off in MP Games.
Why it is blurry idk. Looks like Gaussian blur to me, nothing like mxao.
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MXAO Blurry? 1 month 1 week ago #3

yah it's call of duty 4 but i dont go online, i use it for mvm and its worked the whole time up until updating it :( just now i got the mxao to show shading but still stays blurry. mxao is the only effect i have on:

w: prntscr.com/ocus43
w/o: prntscr.com/ocuso8
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MXAO Blurry? 1 month 1 week ago #4

That looks to me as if ReShade or something else forces a LoD bias. See, textures can have mipmaps, lower resolution versions of the original,with indices 0 1 2 3,where 0 is full resolution and each following index as half width half height of the index before.
The LoD bias is an offset applied on this value so with a a LoD bias of 1 and want to read miplevel 2, the game gives me miplevel 3 instead.

Not only textures on 3D models can have mipmaps, but also the full screen textures like the color buffer you essentially captured there. Now MXAO utilizes those mipmaps for depth and color buffer to speed up the sampling where quality doesn't matter much. I presume some weird LoD bias applied by something forces MXAO to use a mipmap instead of the full resolution backbuffer when combining AO. and the game image.

How to solve this, no idea, since it's technically not even a problem caused by the shader.
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MXAO Blurry? 1 month 1 week ago #5

It's not ReShade, since ReShade sets the LOD bias to whatever you specify in the sampler settings in the shader. But that can be overwritten via the driver control panel in some APIs.
Cheers, crosire =)
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