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works in DX9 - not in DX10

D

dmaher

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canada
Some of my DX9-friendly materials look terrible in DX10.
I don’t have DX10 myself, so it’s hard to fix :(
Has anyone had a similar problem and fixed it?
What did you change in the end?

Danny

BTS_RV7_beta3.jpg

DX9

DX10_blocker.jpg

DX10
 
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I would suggest to not use the dx10 mode of FSX. Often it causes more issues, than that it gives improvements.
 
Agreed DX10 shaders are broken in FSX.

The performance gains are IMHO due to reduced graphics filtering settings (I get no improvement)

You can't fix things for DX10 ... you can only dumb them down.

Spec and reflective effects suffer very badly.
 
It would indeed be required to use FSX materials in the object. So the FSX tools have to be used. But even with that the DX10 mode can be a bit buggy.
 
:) I really wish there had been no DX10 preview ...
The materials are proper FSX native - as far as I know (FSX-SDK).

I’d agree the specual and reflection alphas are not working as they did in DX9.
In DX9 I used the same texture map in both the diffuse and specular inputs.
It is a trick, but it works very well in DX9.
You get a good quality high res colour spec for little cost – because you’re reusing an already loaded map.
(Reflective objects generally have tight specular highlights so it's a practical compromise)

This means the alpha in the texture controls both reflection and specular.
So I use "Blend environment by specular map alpha"

This doesn't seem to work in DX10.
I think I'm seeing it default back to "Blend environment by inverse of diffuse alpha"
My alpha is not made to be inverted and looks terrible.

It looks like if I use two separate maps – identical but with opposite alpha channels – the problem goes away.
But I guess I'm now worried there are more subtle differences between the look in DX9 and DX10.
I really can't tune materials by email and screenshots.
I wish I could say STop using DX10! :) it's just that some people insist on it.
If it was the native FSX directX I'd be fine...this Preview is more like an experiment designed to test sanity ;)
Thanks for all the comments on DX10 - I didn't know it already had a reputation for being strange.

Danny
 
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Turns out this problem is related to bloom, and all my comments above are wrong - lol ;)
For now I've turned bloom off (in the material) and everything else appears to work as it should.
I will try to get DX10 bloom working again...eventually.
For now I'm warming to DX10 - a bit.
Danny
 
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