Fog Register

This vertex shader output register contains a per-vertex fog color.

Syntax

Fog Register 

Remarks

A register consists of properties that determine how each register behaves.

Property	Description
Name	oFog
Count	One vector, of which only one component can be used and must be specified by the component mask
I/O permissions	Write-only.

The output fog value registers. The value is the fog factor to be interpolated and then routed to the fog table. Only the scalar x-component of the fog is used. Values are clamped between zero and one before passing to the rasterizer.

Instruction Information

Minimum operating system	Windows 98