# 3.9.7 Reflection Mapping

## Utility Functions

guLookAtReflect and guLookAtReflectF - Calculate the 'lookat' viewing matrix, and set up the 'lookat' structure for the reflection mapping.

## GBI Commands

gSPSetGeometryMode - Set the geometry pipeline mode.
gSPClearGeometryMode - Clear the geometry pipeline mode.
gSPLookAt, gSPLookAtX, and gSPLookAtY - Load the 'lookat' structure to the RSP for the specular highlight or reflection mapping.

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Last Updated March, 1999