[pull] dev from mrdoob:dev

.gitignore

@@ -1,7 +1,6 @@
 .claude/
 .DS_Store
 .idea/
-.jshintrc
 .project
 .puppeteer_profile/
 .vs/

examples/files.json

@@ -416,6 +416,7 @@
 		"webgpu_postprocessing_dof",
 		"webgpu_postprocessing_dof_basic",
 		"webgpu_postprocessing_fxaa",
+		"webgpu_postprocessing_godrays",
 		"webgpu_postprocessing_lensflare",
 		"webgpu_postprocessing_masking",
 		"webgpu_postprocessing_ca",

examples/jsm/tsl/display/BilateralBlurNode.js

@@ -0,0 +1,364 @@
+import { RenderTarget, Vector2, NodeMaterial, RendererUtils, QuadMesh, TempNode, NodeUpdateType } from 'three/webgpu';
+import { nodeObject, Fn, float, uv, uniform, convertToTexture, vec2, vec4, passTexture, luminance, abs, exp, max } from 'three/tsl';
+
+const _quadMesh = /*@__PURE__*/ new QuadMesh();
+
+let _rendererState;
+
+/**
+ * Post processing node for creating a bilateral blur effect.
+ *
+ * Bilateral blur smooths an image while preserving sharp edges. Unlike a
+ * standard Gaussian blur which blurs everything equally, bilateral blur
+ * analyzes the intensity/color of neighboring pixels. If a neighbor is too
+ * different from the center pixel (indicating an edge), it is excluded
+ * from the blurring process.
+ *
+ * Reference: {@link https://en.wikipedia.org/wiki/Bilateral_filter}
+ *
+ * @augments TempNode
+ * @three_import import { bilateralBlur } from 'three/addons/tsl/display/BilateralBlurNode.js';
+ */
+class BilateralBlurNode extends TempNode {
+
+	static get type() {
+
+		return 'BilateralBlurNode';
+
+	}
+
+	/**
+	 * Constructs a new bilateral blur node.
+	 *
+	 * @param {TextureNode} textureNode - The texture node that represents the input of the effect.
+	 * @param {Node<vec2|float>} directionNode - Defines the direction and radius of the blur.
+	 * @param {number} sigma - Controls the spatial kernel of the blur filter. Higher values mean a wider blur radius.
+	 * @param {number} sigmaColor - Controls the intensity kernel. Higher values allow more color difference to be blurred together.
+	 */
+	constructor( textureNode, directionNode = null, sigma = 4, sigmaColor = 0.1 ) {
+
+		super( 'vec4' );
+
+		/**
+		 * The texture node that represents the input of the effect.
+		 *
+		 * @type {TextureNode}
+		 */
+		this.textureNode = textureNode;
+
+		/**
+		 * Defines the direction and radius of the blur.
+		 *
+		 * @type {Node<vec2|float>}
+		 */
+		this.directionNode = directionNode;
+
+		/**
+		 * Controls the spatial kernel of the blur filter. Higher values mean a wider blur radius.
+		 *
+		 * @type {number}
+		 */
+		this.sigma = sigma;
+
+		/**
+		 * Controls the color/intensity kernel. Higher values allow more color difference
+		 * to be blurred together. Lower values preserve edges more strictly.
+		 *
+		 * @type {number}
+		 */
+		this.sigmaColor = sigmaColor;
+
+		/**
+		 * A uniform node holding the inverse resolution value.
+		 *
+		 * @private
+		 * @type {UniformNode<vec2>}
+		 */
+		this._invSize = uniform( new Vector2() );
+
+		/**
+		 * Bilateral blur is applied in two passes (horizontal, vertical).
+		 * This node controls the direction of each pass.
+		 *
+		 * @private
+		 * @type {UniformNode<vec2>}
+		 */
+		this._passDirection = uniform( new Vector2() );
+
+		/**
+		 * The render target used for the horizontal pass.
+		 *
+		 * @private
+		 * @type {RenderTarget}
+		 */
+		this._horizontalRT = new RenderTarget( 1, 1, { depthBuffer: false } );
+		this._horizontalRT.texture.name = 'BilateralBlurNode.horizontal';
+
+		/**
+		 * The render target used for the vertical pass.
+		 *
+		 * @private
+		 * @type {RenderTarget}
+		 */
+		this._verticalRT = new RenderTarget( 1, 1, { depthBuffer: false } );
+		this._verticalRT.texture.name = 'BilateralBlurNode.vertical';
+
+		/**
+		 * The result of the effect is represented as a separate texture node.
+		 *
+		 * @private
+		 * @type {PassTextureNode}
+		 */
+		this._textureNode = passTexture( this, this._verticalRT.texture );
+		this._textureNode.uvNode = textureNode.uvNode;
+
+		/**
+		 * The `updateBeforeType` is set to `NodeUpdateType.FRAME` since the node renders
+		 * its effect once per frame in `updateBefore()`.
+		 *
+		 * @type {string}
+		 * @default 'frame'
+		 */
+		this.updateBeforeType = NodeUpdateType.FRAME;
+
+		/**
+		 * The resolution scale.
+		 *
+		 * @type {number}
+		 * @default 1
+		 */
+		this.resolutionScale = 1;
+
+	}
+
+	/**
+	 * Sets the size of the effect.
+	 *
+	 * @param {number} width - The width of the effect.
+	 * @param {number} height - The height of the effect.
+	 */
+	setSize( width, height ) {
+
+		width = Math.max( Math.round( width * this.resolutionScale ), 1 );
+		height = Math.max( Math.round( height * this.resolutionScale ), 1 );
+
+		this._invSize.value.set( 1 / width, 1 / height );
+		this._horizontalRT.setSize( width, height );
+		this._verticalRT.setSize( width, height );
+
+	}
+
+	/**
+	 * This method is used to render the effect once per frame.
+	 *
+	 * @param {NodeFrame} frame - The current node frame.
+	 */
+	updateBefore( frame ) {
+
+		const { renderer } = frame;
+
+		_rendererState = RendererUtils.resetRendererState( renderer, _rendererState );
+
+		//
+
+		const textureNode = this.textureNode;
+		const map = textureNode.value;
+
+		const currentTexture = textureNode.value;
+
+		_quadMesh.material = this._material;
+
+		this.setSize( map.image.width, map.image.height );
+
+		const textureType = map.type;
+
+		this._horizontalRT.texture.type = textureType;
+		this._verticalRT.texture.type = textureType;
+
+		// horizontal
+
+		renderer.setRenderTarget( this._horizontalRT );
+
+		this._passDirection.value.set( 1, 0 );
+
+		_quadMesh.name = 'Bilateral Blur [ Horizontal Pass ]';
+		_quadMesh.render( renderer );
+
+		// vertical
+
+		textureNode.value = this._horizontalRT.texture;
+		renderer.setRenderTarget( this._verticalRT );
+
+		this._passDirection.value.set( 0, 1 );
+
+		_quadMesh.name = 'Bilateral Blur [ Vertical Pass ]';
+		_quadMesh.render( renderer );
+
+		// restore
+
+		textureNode.value = currentTexture;
+
+		RendererUtils.restoreRendererState( renderer, _rendererState );
+
+	}
+
+	/**
+	 * Returns the result of the effect as a texture node.
+	 *
+	 * @return {PassTextureNode} A texture node that represents the result of the effect.
+	 */
+	getTextureNode() {
+
+		return this._textureNode;
+
+	}
+
+	/**
+	 * This method is used to setup the effect's TSL code.
+	 *
+	 * @param {NodeBuilder} builder - The current node builder.
+	 * @return {PassTextureNode}
+	 */
+	setup( builder ) {
+
+		const textureNode = this.textureNode;
+
+		//
+
+		const uvNode = uv();
+		const directionNode = vec2( this.directionNode || 1 );
+
+		const sampleTexture = ( uv ) => textureNode.sample( uv );
+
+		const blur = Fn( () => {
+
+			const kernelSize = this.sigma * 2 + 3;
+			const spatialCoefficients = this._getSpatialCoefficients( kernelSize );
+
+			const invSize = this._invSize;
+			const direction = directionNode.mul( this._passDirection );
+
+			// Sample center pixel
+			const centerColor = sampleTexture( uvNode ).toVar();
+			const centerLuminance = luminance( centerColor.rgb ).toVar();
+
+			// Accumulate weighted samples
+			const weightSum = float( spatialCoefficients[ 0 ] ).toVar();
+			const colorSum = vec4( centerColor.mul( spatialCoefficients[ 0 ] ) ).toVar();
+
+			// Precompute color sigma factor: -0.5 / (sigmaColor^2)
+			const colorSigmaFactor = float( - 0.5 ).div( float( this.sigmaColor * this.sigmaColor ) ).toConst();
+
+			for ( let i = 1; i < kernelSize; i ++ ) {
+
+				const x = float( i );
+				const spatialWeight = float( spatialCoefficients[ i ] );
+
+				const uvOffset = vec2( direction.mul( invSize.mul( x ) ) ).toVar();
+
+				// Sample in both directions (+/-)
+				const sampleUv1 = uvNode.add( uvOffset );
+				const sampleUv2 = uvNode.sub( uvOffset );
+
+				const sample1 = sampleTexture( sampleUv1 );
+				const sample2 = sampleTexture( sampleUv2 );
+
+				// Compute luminance difference for edge detection
+				const lum1 = luminance( sample1.rgb );
+				const lum2 = luminance( sample2.rgb );
+
+				const diff1 = abs( lum1.sub( centerLuminance ) );
+				const diff2 = abs( lum2.sub( centerLuminance ) );
+
+				// Compute color-based weights using Gaussian function
+				const colorWeight1 = exp( diff1.mul( diff1 ).mul( colorSigmaFactor ) ).toVar();
+				const colorWeight2 = exp( diff2.mul( diff2 ).mul( colorSigmaFactor ) ).toVar();
+
+				// Combined bilateral weight = spatial weight * color weight
+				const bilateralWeight1 = spatialWeight.mul( colorWeight1 );
+				const bilateralWeight2 = spatialWeight.mul( colorWeight2 );
+
+				colorSum.addAssign( sample1.mul( bilateralWeight1 ) );
+				colorSum.addAssign( sample2.mul( bilateralWeight2 ) );
+
+				weightSum.addAssign( bilateralWeight1 );
+				weightSum.addAssign( bilateralWeight2 );
+
+			}
+
+			// Normalize by the total weight
+			return colorSum.div( max( weightSum, 0.0001 ) );
+
+		} );
+
+		//
+
+		const material = this._material || ( this._material = new NodeMaterial() );
+		material.fragmentNode = blur().context( builder.getSharedContext() );
+		material.name = 'Bilateral_blur';
+		material.needsUpdate = true;
+
+		//
+
+		const properties = builder.getNodeProperties( this );
+		properties.textureNode = textureNode;
+
+		//
+
+		return this._textureNode;
+
+	}
+
+	/**
+	 * Frees internal resources. This method should be called
+	 * when the effect is no longer required.
+	 */
+	dispose() {
+
+		this._horizontalRT.dispose();
+		this._verticalRT.dispose();
+
+	}
+
+	/**
+	 * Computes spatial (Gaussian) coefficients depending on the given kernel radius.
+	 * These coefficients are used for the spatial component of the bilateral filter.
+	 *
+	 * @private
+	 * @param {number} kernelRadius - The kernel radius.
+	 * @return {Array<number>}
+	 */
+	_getSpatialCoefficients( kernelRadius ) {
+
+		const coefficients = [];
+		const sigma = kernelRadius / 3;
+
+		for ( let i = 0; i < kernelRadius; i ++ ) {
+
+			coefficients.push( 0.39894 * Math.exp( - 0.5 * i * i / ( sigma * sigma ) ) / sigma );
+
+		}
+
+		return coefficients;
+
+	}
+
+}
+
+export default BilateralBlurNode;
+
+/**
+ * TSL function for creating a bilateral blur node for post processing.
+ *
+ * Bilateral blur smooths an image while preserving sharp edges by considering
+ * both spatial distance and color/intensity differences between pixels.
+ *
+ * @tsl
+ * @function
+ * @param {Node<vec4>} node - The node that represents the input of the effect.
+ * @param {Node<vec2|float>} directionNode - Defines the direction and radius of the blur.
+ * @param {number} sigma - Controls the spatial kernel of the blur filter. Higher values mean a wider blur radius.
+ * @param {number} sigmaColor - Controls the intensity kernel. Higher values allow more color difference to be blurred together.
+ * @returns {BilateralBlurNode}
+ */
+export const bilateralBlur = ( node, directionNode, sigma, sigmaColor ) => nodeObject( new BilateralBlurNode( convertToTexture( node ), directionNode, sigma, sigmaColor ) );