| Parameter | Description | 
|---|---|
| activeLightIndex | The index into the active light array. | 
| viewMatrix | The computed view matrix. | 
| projMatrix | The computed projection matrix. | 
| shadowSplitData | The computed split data. | 
bool If false, the shadow map for this light does not need to be rendered this frame.
Calculates the view and projection matrices and shadow split data for a spot light.
Additional resources: ShadowSplitData.