How Can I Force AA in GTA IV?

Question

I'm a newbie of GTA IV.

My GTA IV version is 1.0.7.0.

But there is no AA setting.

The image looks fine but if you save the image and see it bigger size, you can see clear aliasing. it looks very dirty.

so i'm trying to accept AA by NVIDIA control panel(I'm using GTX560ti), but it's not effect.

How can I accept AA?

Asked by ks0830

Answer

AFAIK, the driver software for both Nvidia and AMD/ATI can't force AA in GTA IV due to how GTA IV's graphics engine was made (or rather, how it was ported to the PC from the console platform).

You can however, force SMAA on it by using injectSMAA:

Description:

• adds "Subpixel Morphological Antialiasing" to an application
• is based on "injectFXAA" (written by "some dude")
• is supposed to work only with directx 9, directx 10, directx 11, x86 applications
• may be incompatible with any other form of antialiasing
• may be incompatible with overlays (Steam Overlay, MSI Afterburner, Fraps, ...)

SMAA is a very efficient GPU-based MLAA implementation, capable of handling subpixel features seamlessly, and featuring an advanced pattern detection & handling mechanism.

http://www.iryoku.com/smaa/

Screenshots (from http://mrhaandi.blogspot.com/p/injectsmaa.html - click to enlarge):

No AA:

With SMAA:

Answered by galacticninja

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