添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/postprocessing/TAARenderPass.js

@@ -0,0 +1,188 @@
+import {
+	HalfFloatType,
+	WebGLRenderTarget
+} from 'three';
+import { SSAARenderPass } from './SSAARenderPass.js';
+
+/**
+ *
+ * Temporal Anti-Aliasing Render Pass
+ *
+ * When there is no motion in the scene, the TAA render pass accumulates jittered camera samples across frames to create a high quality anti-aliased result.
+ *
+ * References:
+ *
+ * TODO: Add support for motion vector pas so that accumulation of samples across frames can occur on dynamics scenes.
+ *
+ */
+
+class TAARenderPass extends SSAARenderPass {
+
+	constructor( scene, camera, clearColor, clearAlpha ) {
+
+		super( scene, camera, clearColor, clearAlpha );
+
+		this.sampleLevel = 0;
+		this.accumulate = false;
+		this.accumulateIndex = - 1;
+
+	}
+
+	render( renderer, writeBuffer, readBuffer, deltaTime ) {
+
+		if ( this.accumulate === false ) {
+
+			super.render( renderer, writeBuffer, readBuffer, deltaTime );
+
+			this.accumulateIndex = - 1;
+			return;
+
+		}
+
+		const jitterOffsets = _JitterVectors[ 5 ];
+
+		if ( this.sampleRenderTarget === undefined ) {
+
+			this.sampleRenderTarget = new WebGLRenderTarget( readBuffer.width, readBuffer.height, { type: HalfFloatType } );
+			this.sampleRenderTarget.texture.name = 'TAARenderPass.sample';
+
+		}
+
+		if ( this.holdRenderTarget === undefined ) {
+
+			this.holdRenderTarget = new WebGLRenderTarget( readBuffer.width, readBuffer.height, { type: HalfFloatType } );
+			this.holdRenderTarget.texture.name = 'TAARenderPass.hold';
+
+		}
+
+		if ( this.accumulateIndex === - 1 ) {
+
+			super.render( renderer, this.holdRenderTarget, readBuffer, deltaTime );
+
+			this.accumulateIndex = 0;
+
+		}
+
+		const autoClear = renderer.autoClear;
+		renderer.autoClear = false;
+
+		renderer.getClearColor( this._oldClearColor );
+		const oldClearAlpha = renderer.getClearAlpha();
+
+		const sampleWeight = 1.0 / ( jitterOffsets.length );
+
+		if ( this.accumulateIndex >= 0 && this.accumulateIndex < jitterOffsets.length ) {
+
+			this.copyUniforms[ 'opacity' ].value = sampleWeight;
+			this.copyUniforms[ 'tDiffuse' ].value = writeBuffer.texture;
+
+			// render the scene multiple times, each slightly jitter offset from the last and accumulate the results.
+			const numSamplesPerFrame = Math.pow( 2, this.sampleLevel );
+			for ( let i = 0; i < numSamplesPerFrame; i ++ ) {
+
+				const j = this.accumulateIndex;
+				const jitterOffset = jitterOffsets[ j ];
+
+				if ( this.camera.setViewOffset ) {
+
+					this.camera.setViewOffset( readBuffer.width, readBuffer.height,
+						jitterOffset[ 0 ] * 0.0625, jitterOffset[ 1 ] * 0.0625, // 0.0625 = 1 / 16
+						readBuffer.width, readBuffer.height );
+
+				}
+
+				renderer.setRenderTarget( writeBuffer );
+				renderer.setClearColor( this.clearColor, this.clearAlpha );
+				renderer.clear();
+				renderer.render( this.scene, this.camera );
+
+				renderer.setRenderTarget( this.sampleRenderTarget );
+				if ( this.accumulateIndex === 0 ) {
+
+					renderer.setClearColor( 0x000000, 0.0 );
+					renderer.clear();
+
+				}
+
+				this.fsQuad.render( renderer );
+
+				this.accumulateIndex ++;
+
+				if ( this.accumulateIndex >= jitterOffsets.length ) break;
+
+			}
+
+			if ( this.camera.clearViewOffset ) this.camera.clearViewOffset();
+
+		}
+
+		renderer.setClearColor( this.clearColor, this.clearAlpha );
+		const accumulationWeight = this.accumulateIndex * sampleWeight;
+
+		if ( accumulationWeight > 0 ) {
+
+			this.copyUniforms[ 'opacity' ].value = 1.0;
+			this.copyUniforms[ 'tDiffuse' ].value = this.sampleRenderTarget.texture;
+			renderer.setRenderTarget( writeBuffer );
+			renderer.clear();
+			this.fsQuad.render( renderer );
+
+		}
+
+		if ( accumulationWeight < 1.0 ) {
+
+			this.copyUniforms[ 'opacity' ].value = 1.0 - accumulationWeight;
+			this.copyUniforms[ 'tDiffuse' ].value = this.holdRenderTarget.texture;
+			renderer.setRenderTarget( writeBuffer );
+			this.fsQuad.render( renderer );
+
+		}
+
+		renderer.autoClear = autoClear;
+		renderer.setClearColor( this._oldClearColor, oldClearAlpha );
+
+	}
+
+	dispose() {
+
+		super.dispose();
+
+		if ( this.holdRenderTarget ) this.holdRenderTarget.dispose();
+
+	}
+
+}
+
+const _JitterVectors = [
+	[
+		[ 0, 0 ]
+	],
+	[
+		[ 4, 4 ], [ - 4, - 4 ]
+	],
+	[
+		[ - 2, - 6 ], [ 6, - 2 ], [ - 6, 2 ], [ 2, 6 ]
+	],
+	[
+		[ 1, - 3 ], [ - 1, 3 ], [ 5, 1 ], [ - 3, - 5 ],
+		[ - 5, 5 ], [ - 7, - 1 ], [ 3, 7 ], [ 7, - 7 ]
+	],
+	[
+		[ 1, 1 ], [ - 1, - 3 ], [ - 3, 2 ], [ 4, - 1 ],
+		[ - 5, - 2 ], [ 2, 5 ], [ 5, 3 ], [ 3, - 5 ],
+		[ - 2, 6 ], [ 0, - 7 ], [ - 4, - 6 ], [ - 6, 4 ],
+		[ - 8, 0 ], [ 7, - 4 ], [ 6, 7 ], [ - 7, - 8 ]
+	],
+	[
+		[ - 4, - 7 ], [ - 7, - 5 ], [ - 3, - 5 ], [ - 5, - 4 ],
+		[ - 1, - 4 ], [ - 2, - 2 ], [ - 6, - 1 ], [ - 4, 0 ],
+		[ - 7, 1 ], [ - 1, 2 ], [ - 6, 3 ], [ - 3, 3 ],
+		[ - 7, 6 ], [ - 3, 6 ], [ - 5, 7 ], [ - 1, 7 ],
+		[ 5, - 7 ], [ 1, - 6 ], [ 6, - 5 ], [ 4, - 4 ],
+		[ 2, - 3 ], [ 7, - 2 ], [ 1, - 1 ], [ 4, - 1 ],
+		[ 2, 1 ], [ 6, 2 ], [ 0, 4 ], [ 4, 4 ],
+		[ 2, 5 ], [ 7, 5 ], [ 5, 6 ], [ 3, 7 ]
+	]
+];
+
+export { TAARenderPass };