setup() {

		const color = super.getTextureNode( 'output' );
		const depth = super.getTextureNode( 'depth' );
		const normal = super.getTextureNode( 'normal' );

		return pixelation( color, depth, normal, this.pixelSize, this.normalEdgeStrength, this.depthEdgeStrength );

	}
This method is used to setup the effect's TSL code.

@param {NodeBuilder} builder - The current node builder.
@return {PixelationNode}