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