添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/nodes/display/ViewportDepthTextureNode.js

@@ -0,0 +1,31 @@
+import ViewportTextureNode from './ViewportTextureNode.js';
+import { addNodeClass } from '../core/Node.js';
+import { addNodeElement, nodeProxy } from '../shadernode/ShaderNode.js';
+import { viewportTopLeft } from './ViewportNode.js';
+import { DepthTexture } from 'three';
+
+let sharedDepthbuffer = null;
+
+class ViewportDepthTextureNode extends ViewportTextureNode {
+
+	constructor( uvNode = viewportTopLeft, levelNode = null ) {
+
+		if ( sharedDepthbuffer === null ) {
+
+			sharedDepthbuffer = new DepthTexture();
+
+		}
+
+		super( uvNode, levelNode, sharedDepthbuffer );
+
+	}
+
+}
+
+export default ViewportDepthTextureNode;
+
+export const viewportDepthTexture = nodeProxy( ViewportDepthTextureNode );
+
+addNodeElement( 'viewportDepthTexture', viewportDepthTexture );
+
+addNodeClass( 'ViewportDepthTextureNode', ViewportDepthTextureNode );