[WINED3D 3/3] Fix fog in the case of vertex shaders

H. Verbeet hverbeet at gmail.com
Tue Jun 20 08:23:56 CDT 2006

On 20/06/06, Ivan Gyurdiev <ivg231 at gmail.com> wrote:
> Is it really necessary to keep track of whether the shader uses fog or not?
> What happens if you disable this post-processing for a shader that doesn't
> write to the fog register?
Not "really necessary", but it does save a couple of GL state changes
if fog isn't used in the shader, and it's pretty easy to keep track

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