添加关照、全局等高线、修改图层问题

static/sdk/three/jsm/renderers/common/Textures.js

@@ -0,0 +1,344 @@
+import DataMap from './DataMap.js';
+
+import { Vector3, DepthTexture, DepthStencilFormat, DepthFormat, UnsignedIntType, UnsignedInt248Type, LinearFilter, NearestFilter, EquirectangularReflectionMapping, EquirectangularRefractionMapping, CubeReflectionMapping, CubeRefractionMapping, UnsignedByteType } from 'three';
+
+const _size = new Vector3();
+
+class Textures extends DataMap {
+
+	constructor( renderer, backend, info ) {
+
+		super();
+
+		this.renderer = renderer;
+		this.backend = backend;
+		this.info = info;
+
+	}
+
+	updateRenderTarget( renderTarget, activeMipmapLevel = 0 ) {
+
+		const renderTargetData = this.get( renderTarget );
+
+		const sampleCount = renderTarget.samples === 0 ? 1 : renderTarget.samples;
+		const depthTextureMips = renderTargetData.depthTextureMips || ( renderTargetData.depthTextureMips = {} );
+
+		const texture = renderTarget.texture;
+		const textures = renderTarget.textures;
+
+		const size = this.getSize( texture );
+
+		const mipWidth = size.width >> activeMipmapLevel;
+		const mipHeight = size.height >> activeMipmapLevel;
+
+		let depthTexture = renderTarget.depthTexture || depthTextureMips[ activeMipmapLevel ];
+		let textureNeedsUpdate = false;
+
+		if ( depthTexture === undefined ) {
+
+			depthTexture = new DepthTexture();
+			depthTexture.format = renderTarget.stencilBuffer ? DepthStencilFormat : DepthFormat;
+			depthTexture.type = renderTarget.stencilBuffer ? UnsignedInt248Type : UnsignedIntType; // FloatType
+			depthTexture.image.width = mipWidth;
+			depthTexture.image.height = mipHeight;
+
+			depthTextureMips[ activeMipmapLevel ] = depthTexture;
+
+		}
+
+		if ( renderTargetData.width !== size.width || size.height !== renderTargetData.height ) {
+
+			textureNeedsUpdate = true;
+			depthTexture.needsUpdate = true;
+
+			depthTexture.image.width = mipWidth;
+			depthTexture.image.height = mipHeight;
+
+		}
+
+		renderTargetData.width = size.width;
+		renderTargetData.height = size.height;
+		renderTargetData.textures = textures;
+		renderTargetData.depthTexture = depthTexture;
+		renderTargetData.depth = renderTarget.depthBuffer;
+		renderTargetData.stencil = renderTarget.stencilBuffer;
+		renderTargetData.renderTarget = renderTarget;
+
+		if ( renderTargetData.sampleCount !== sampleCount ) {
+
+			textureNeedsUpdate = true;
+			depthTexture.needsUpdate = true;
+
+			renderTargetData.sampleCount = sampleCount;
+
+		}
+
+		//
+
+		const options = { sampleCount };
+
+		for ( let i = 0; i < textures.length; i ++ ) {
+
+			const texture = textures[ i ];
+
+			if ( textureNeedsUpdate ) texture.needsUpdate = true;
+
+			this.updateTexture( texture, options );
+
+		}
+
+		this.updateTexture( depthTexture, options );
+
+		// dispose handler
+
+		if ( renderTargetData.initialized !== true ) {
+
+			renderTargetData.initialized = true;
+
+			// dispose
+
+			const onDispose = () => {
+
+				renderTarget.removeEventListener( 'dispose', onDispose );
+
+				if ( textures !== undefined ) {
+
+					for ( let i = 0; i < textures.length; i ++ ) {
+
+						this._destroyTexture( textures[ i ] );
+
+					}
+
+				} else {
+
+					this._destroyTexture( texture );
+
+				}
+
+				this._destroyTexture( depthTexture );
+
+			};
+
+			renderTarget.addEventListener( 'dispose', onDispose );
+
+		}
+
+	}
+
+	updateTexture( texture, options = {} ) {
+
+		const textureData = this.get( texture );
+		if ( textureData.initialized === true && textureData.version === texture.version ) return;
+
+		const isRenderTarget = texture.isRenderTargetTexture || texture.isDepthTexture || texture.isFramebufferTexture;
+		const backend = this.backend;
+
+		if ( isRenderTarget && textureData.initialized === true ) {
+
+			// it's an update
+
+			backend.destroySampler( texture );
+			backend.destroyTexture( texture );
+
+		}
+
+		//
+
+		if ( texture.isFramebufferTexture ) {
+
+			const renderer = this.renderer;
+			const renderTarget = renderer.getRenderTarget();
+
+			if ( renderTarget ) {
+
+				texture.type = renderTarget.texture.type;
+
+			} else {
+
+				texture.type = UnsignedByteType;
+
+			}
+
+		}
+
+		//
+
+		const { width, height, depth } = this.getSize( texture );
+
+		options.width = width;
+		options.height = height;
+		options.depth = depth;
+		options.needsMipmaps = this.needsMipmaps( texture );
+		options.levels = options.needsMipmaps ? this.getMipLevels( texture, width, height ) : 1;
+
+		//
+
+		if ( isRenderTarget || texture.isStorageTexture === true ) {
+
+			backend.createSampler( texture );
+			backend.createTexture( texture, options );
+
+		} else {
+
+			const needsCreate = textureData.initialized !== true;
+
+			if ( needsCreate ) backend.createSampler( texture );
+
+			if ( texture.version > 0 ) {
+
+				const image = texture.image;
+
+				if ( image === undefined ) {
+
+					console.warn( 'THREE.Renderer: Texture marked for update but image is undefined.' );
+
+				} else if ( image.complete === false ) {
+
+					console.warn( 'THREE.Renderer: Texture marked for update but image is incomplete.' );
+
+				} else {
+
+					if ( texture.images ) {
+
+						const images = [];
+
+						for ( const image of texture.images ) {
+
+							images.push( image );
+
+						}
+
+						options.images = images;
+
+					} else {
+
+						options.image = image;
+
+					}
+
+					if ( textureData.isDefaultTexture === undefined || textureData.isDefaultTexture === true ) {
+
+						backend.createTexture( texture, options );
+
+						textureData.isDefaultTexture = false;
+
+					}
+
+					if ( texture.source.dataReady === true ) backend.updateTexture( texture, options );
+
+					if ( options.needsMipmaps && texture.mipmaps.length === 0 ) backend.generateMipmaps( texture );
+
+				}
+
+			} else {
+
+				// async update
+
+				backend.createDefaultTexture( texture );
+
+				textureData.isDefaultTexture = true;
+
+			}
+
+		}
+
+		// dispose handler
+
+		if ( textureData.initialized !== true ) {
+
+			textureData.initialized = true;
+
+			//
+
+			this.info.memory.textures ++;
+
+			// dispose
+
+			const onDispose = () => {
+
+				texture.removeEventListener( 'dispose', onDispose );
+
+				this._destroyTexture( texture );
+
+				this.info.memory.textures --;
+
+			};
+
+			texture.addEventListener( 'dispose', onDispose );
+
+		}
+
+		//
+
+		textureData.version = texture.version;
+
+	}
+
+	getSize( texture, target = _size ) {
+
+		let image = texture.images ? texture.images[ 0 ] : texture.image;
+
+		if ( image ) {
+
+			if ( image.image !== undefined ) image = image.image;
+
+			target.width = image.width;
+			target.height = image.height;
+			target.depth = texture.isCubeTexture ? 6 : ( image.depth || 1 );
+
+		} else {
+
+			target.width = target.height = target.depth = 1;
+
+		}
+
+		return target;
+
+	}
+
+	getMipLevels( texture, width, height ) {
+
+		let mipLevelCount;
+
+		if ( texture.isCompressedTexture ) {
+
+			mipLevelCount = texture.mipmaps.length;
+
+		} else {
+
+			mipLevelCount = Math.floor( Math.log2( Math.max( width, height ) ) ) + 1;
+
+		}
+
+		return mipLevelCount;
+
+	}
+
+	needsMipmaps( texture ) {
+
+		if ( this.isEnvironmentTexture( texture ) ) return true;
+
+		return ( texture.isCompressedTexture === true ) || ( ( texture.minFilter !== NearestFilter ) && ( texture.minFilter !== LinearFilter ) );
+
+	}
+
+	isEnvironmentTexture( texture ) {
+
+		const mapping = texture.mapping;
+
+		return ( mapping === EquirectangularReflectionMapping || mapping === EquirectangularRefractionMapping ) || ( mapping === CubeReflectionMapping || mapping === CubeRefractionMapping );
+
+	}
+
+	_destroyTexture( texture ) {
+
+		this.backend.destroySampler( texture );
+		this.backend.destroyTexture( texture );
+
+		this.delete( texture );
+
+	}
+
+}
+
+export default Textures;