anchor.diff:  
   				_gl.bindBuffer( _gl.ARRAY_BUFFER, geometryGroup.__webglLineDistanceBuffer );
   				enableAttribute( attributes["lineDistance"] );
  -				_gl.vertexAttribPointer( attributes.lineDistance, 1, _gl.FLOAT, false, 0, 0 );
  +				_gl.vertexAttribPointer( attributes.lineDistance, 1, gl.FLOAT, false, 0, 0 );
   
   			}
   		}
  
positive.code: 
  		if ( cullFace == CullFaceNone ) {
  
  			_gl.disable( _gl.CULL_FACE );
  
  		} else {
  
  			if ( frontFaceDirection == FrontFaceDirectionCW ) {
  
  				_gl.frontFace( _gl.CW );
  
  			} else {
  
  				_gl.frontFace( _gl.CCW );
  
  			}
  
  			if ( cullFace == CullFaceBack ) {
  
  				_gl.cullFace( _gl.BACK );
  
  			} else if ( cullFace == CullFaceFront ) {
  
  				_gl.cullFace( _gl.FRONT );
  
  			} else {
  
  				_gl.cullFace( _gl.FRONT_AND_BACK );
  
  			}
  
  			_gl.enable( _gl.CULL_FACE );
  
  		}
  
  
negative.code: 
  					if ( renderTarget.depthBuffer && ! renderTarget.stencilBuffer ) {
  
  						_gl.framebufferRenderbuffer( gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.RENDERBUFFER, renderTarget.__webglRenderbuffer );
  
  					} else if ( renderTarget.depthBuffer && renderTarget.stencilBuffer ) {
  
  						_gl.framebufferRenderbuffer( gl.FRAMEBUFFER, gl.DEPTH_STENCIL_ATTACHMENT, gl.RENDERBUFFER, renderTarget.__webglRenderbuffer );
  
  					}
  
  