void CompressMorphTargets ( [FMorphTargetVertexInfoBuffers](API\Runtime\Engine\Rendering\FMorphTargetVertexInfoBuffers) & OutMorphBuffers, const [TArray](API\Runtime\Core\Containers\TArray)< [UMorphTarget](API\Runtime\Engine\Animation\UMorphTarget) * > & MorphTargets, int32 LOD, float MorphErrorTolerance )