PassNode: Fix implicit depth texture creation when `depthBuffer: false` (#33410)

Co-authored-by: Michael Herzog <michael.herzog@human-interactive.org>

src/nodes/display/PassNode.js

@@ -251,14 +251,21 @@ class PassNode extends TempNode {
 		 */
 		this._height = 1;
 
-		const depthTexture = new DepthTexture();
-		depthTexture.isRenderTargetTexture = true;
-		//depthTexture.type = FloatType;
-		depthTexture.name = 'depth';
-
 		const renderTarget = new RenderTarget( this._width * this._pixelRatio, this._height * this._pixelRatio, { type: HalfFloatType, ...options, } );
 		renderTarget.texture.name = 'output';
-		renderTarget.depthTexture = depthTexture;
+
+		let depthTexture = null;
+
+		if ( this.scope === PassNode.DEPTH || options.depthBuffer !== false ) {
+
+			depthTexture = new DepthTexture();
+			depthTexture.isRenderTargetTexture = true;
+			//depthTexture.type = FloatType;
+			depthTexture.name = 'depth';
+
+			renderTarget.depthTexture = depthTexture;
+
+		}
 
 		/**
 		 * The pass's render target.
@@ -310,13 +317,18 @@ class PassNode extends TempNode {
 		 * A dictionary holding the internal result textures.
 		 *
 		 * @private
-		 * @type {Object<string, Texture>}
+		 * @type {{ output: Texture, depth?: DepthTexture }}
 		 */
 		this._textures = {
-			output: renderTarget.texture,
-			depth: depthTexture
+			output: renderTarget.texture
 		};
 
+		if ( depthTexture !== null ) {
+
+			this._textures.depth = depthTexture;
+
+		}
+
 		/**
 		 * A dictionary holding the internal texture nodes.
 		 *
@@ -567,6 +579,12 @@ class PassNode extends TempNode {
 
 		if ( texture === undefined ) {
 
+			if ( name === 'depth' ) {
+
+				throw new Error( 'THREE.PassNode: Depth texture is not available for this pass.' );
+
+			}
+
 			const refTexture = this.renderTarget.texture;
 
 			texture = refTexture.clone();
@@ -757,7 +775,7 @@ class PassNode extends TempNode {
 
 		this.renderTarget.texture.type = renderer.getOutputBufferType();
 
-		if ( renderer.reversedDepthBuffer === true ) {
+		if ( renderer.reversedDepthBuffer === true && this.renderTarget.depthTexture !== null ) {
 
 			this.renderTarget.depthTexture.type = FloatType;