WGSLNodeBuilder: Improve `StorageTexture3D` support (#32150)

* Examples: Fix compute_texture_pingpong example

* WGSLNodeBuilder: Improve StorageTexture3D support

src/renderers/webgpu/nodes/WGSLNodeBuilder.js

@@ -286,7 +286,7 @@ class WGSLNodeBuilder extends NodeBuilder {
 	 */
 	generateWrapFunction( texture ) {
 
-		const functionName = `tsl_coord_${ wrapNames[ texture.wrapS ] }S_${ wrapNames[ texture.wrapT ] }_${ texture.isData3DTexture ? '3d' : '2d' }T`;
+		const functionName = `tsl_coord_${ wrapNames[ texture.wrapS ] }S_${ wrapNames[ texture.wrapT ] }_${ texture.is3DTexture || texture.isData3DTexture ? '3d' : '2d' }T`;
 
 		let nodeCode = wgslCodeCache[ functionName ];
 
@@ -295,7 +295,7 @@ class WGSLNodeBuilder extends NodeBuilder {
 			const includes = [];
 
 			// For 3D textures, use vec3f; for texture arrays, keep vec2f since array index is separate
-			const coordType = texture.isData3DTexture ? 'vec3f' : 'vec2f';
+			const coordType = texture.is3DTexture || texture.isData3DTexture ? 'vec3f' : 'vec2f';
 			let code = `fn ${ functionName }( coord : ${ coordType } ) -> ${ coordType } {\n\n\treturn ${ coordType }(\n`;
 
 			const addWrapSnippet = ( wrap, axis ) => {
@@ -334,7 +334,7 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 			addWrapSnippet( texture.wrapT, 'y' );
 
-			if ( texture.isData3DTexture ) {
+			if ( texture.is3DTexture || texture.isData3DTexture ) {
 
 				code += ',\n';
 				addWrapSnippet( texture.wrapR, 'z' );
@@ -392,7 +392,7 @@ class WGSLNodeBuilder extends NodeBuilder {
 			const { primarySamples } = this.renderer.backend.utils.getTextureSampleData( texture );
 			const isMultisampled = primarySamples > 1;
 
-			if ( texture.isData3DTexture ) {
+			if ( texture.is3DTexture || texture.isData3DTexture ) {
 
 				dimensionType = 'vec3<u32>';
 
@@ -418,7 +418,7 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 			textureData.dimensionsSnippet[ levelSnippet ] = textureDimensionNode;
 
-			if ( texture.isArrayTexture || texture.isDataArrayTexture || texture.isData3DTexture ) {
+			if ( texture.isArrayTexture || texture.isDataArrayTexture || texture.is3DTexture || texture.isData3DTexture ) {
 
 				textureData.arrayLayerCount = new VarNode(
 					new ExpressionNode(
@@ -488,7 +488,7 @@ class WGSLNodeBuilder extends NodeBuilder {
 		const wrapFunction = this.generateWrapFunction( texture );
 		const textureDimension = this.generateTextureDimension( texture, textureProperty, levelSnippet );
 
-		const vecType = texture.isData3DTexture ? 'vec3' : 'vec2';
+		const vecType = texture.is3DTexture || texture.isData3DTexture ? 'vec3' : 'vec2';
 
 		if ( offsetSnippet ) {