Re: DX9 Fixed Function Fog
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Re: DX9 Fixed Function Fog         

Group: microsoft.public.win32.programmer.directx.graphics · Group Profile
Author: Noley Edge
Date: Jun 10, 2008 13:59

On Jun 10, 3:14 pm, legalize+jee...@mail.xmission.com (Richard
[Microsoft Direct3D MVP]) wrote:
> [Please do not mail me a copy of your followup]
>
> Noley Edge gmail.com> spake the secret code
> <49bebd17-2fa7-4c48-8c82-d4d3a36dd...@m44g2000hsc.googlegroups.com> thusly:
>
>
>
>>On Jun 6, 6:40 pm, legalize+jee...@mail.xmission.com (Richard
>>[Microsoft Direct3D MVP]) wrote:
>>> IIRC, fixed-function pixel fog can be used with a vertex shader,
>>> providing you're not also using a pixel shader.
>
>>Section 6.8 of your draft states that pixel fog cannot be used with
>>programmable vertex shaders.
>
> Go with what the book says then. When I write stuff for the book, its
> because I've researched it and identified the corner cases. When I
> post to the net, its usually just form memory, which is subject to
> corruption :-)
> --
> "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download
> <http://www.xmission.com/~legalize/book/download/index.html>
>
> Legalize Adulthood! <http://blogs.xmission.com/legalize/>

But even if that is true, then the first pass through the vertex and
pixel shaders above would not work.

By the way, your draft rocksa.
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