Fog Register

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

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

CountOne vector, of which only one component can be used and must be specified by the component mask
I/O permissionsWrite-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.

Related topics

Vertex Shader Registers