Anisotropic filtering

[greybeard1]

I see that a "built-in" anisotropic filtering is internal to IL-2, set by Video Tab of its Setup utility.

So I wonder: does this mean that adding a further AF by vidcard control panel is useless? Or does it sum its effects to IL-2 internal one?

Thank you,
GB

[EJGr.Ost_Caspar]

It is suggested, that you use the internal AF only and set the AF in the driver panel to 'off' or 'managed by application'. This was said by Oleg back then, if I remember correctly.

I can - however -imagine, that additional driver AF is changing the effect in any way, but I don't know how. Much probably its just increasing framerate drop. This needs to be tested.

[greybeard1]

Thanks a lot for your fast reply.

Actually, if I set an "external" AF, I can measure an in-game fps drop, so that's sure, while I'm unsure about any visual improvement: edges and images in general look to me somewhat more "blurred", but "saw-toothing" of far edges is still there...

Regards,
GB

[Fafnir_6]

Originally Posted by greybeard1

Thanks a lot for your fast reply.

Actually, if I set an "external" AF, I can measure an in-game fps drop, so that's sure, while I'm unsure about any visual improvement: edges and images in general look to me somewhat more "blurred", but "saw-toothing" of far edges is still there...

Regards,
GB

Isn't the "sawtooth" due to lack of anti-aliasing rather than anistropic filtering? I use force anti-aliasing using the ATI control panel when running IL-2 with no problems (HD5870 GFX card).

I hope this helps,

Fafnir_6

[EJGr.Ost_Caspar]

And with 'far edges' you don't mean the river edges perhaps? It very hard to get rid of them in fact, even if everything else is smooth.

[greybeard1]

Originally Posted by EJGr.Ost_Caspar

And with 'far edges' you don't mean the river edges perhaps?

Yes, indeed.

Meanwhile, I tried to do the inverse of what previously suggested, removing IL-2 anisotropic filtering, setting "bilinear", since there's no "none" option. Of course, I removed related extensions as well.

Surprisingly, I got an awesome increase both in framerate and image quality. I was allowed to following improvements:

res. from 1152x864 to 1280x1024
AA from 4x to 16Q
AF from 4x to 16x
Forest from 1 to 3

only water=4 could hit framerate. Curiously, fps measurement in-game (shift+TAB - fps START SHOW) gives lower values while they actually are better (visual improvement is so evident that I can't believe to those numbers!). Also, some minor artifact I saw mainly on canopy frame in internal view disppeared.

I think instruction for current IL-2 should be updated: old Oleg's dicta seem no more suited.

Best regards,
GB

[greybeard1]

Originally Posted by Fafnir_6

Isn't the "sawtooth" due to lack of anti-aliasing rather than anistropic filtering?

Sorry, I got confused. You're right.

GB