void GetChannel ( int32 buffer, int32 channel, [MESH_BUFFER_SEMANTIC](API\Plugins\MutableRuntime\MuR\mu__MESH_BUFFER_SEMANTIC) * pSemantic, int32 * pSemanticIndex, [MESH_BUFFER_FORMAT](API\Plugins\MutableRuntime\MuR\mu__MESH_BUFFER_FORMAT) * pFormat, int32 * pComponentCount, int32 * pOffset ) const