diff --git a/demo/src/demos/ColorGradingDemo.js b/demo/src/demos/ColorGradingDemo.js
index 5109292c8..a9db5b26c 100644
--- a/demo/src/demos/ColorGradingDemo.js
+++ b/demo/src/demos/ColorGradingDemo.js
@@ -332,7 +332,9 @@ export class ColorGradingDemo extends PostProcessingDemo {
 
 	registerOptions(menu) {
 
-		const capabilities = this.composer.getRenderer().capabilities;
+		const renderer = this.composer.getRenderer();
+		const context = renderer.getContext();
+		const capabilities = renderer.capabilities;
 		const assets = this.assets;
 		const luts = this.luts;
 
@@ -446,6 +448,13 @@ export class ColorGradingDemo extends PostProcessingDemo {
 
 				if(capabilities.isWebGL2) {
 
+					if(context.getExtension("OES_texture_float_linear") === null) {
+
+						console.log("Linear float filtering not supported, converting to Uint8");
+						lut.convertToUint8();
+
+					}
+
 					lutEffect.setLUT(params.lut["3D texture"] ? lut : lut.toDataTexture());
 
 				} else {
diff --git a/demo/src/demos/PostProcessingDemo.js b/demo/src/demos/PostProcessingDemo.js
index ad017cc82..e5c0dc74a 100644
--- a/demo/src/demos/PostProcessingDemo.js
+++ b/demo/src/demos/PostProcessingDemo.js
@@ -19,7 +19,7 @@ export class PostProcessingDemo extends Demo {
 		super(id);
 
 		/**
-		 * Spatial controls
+		 * Spatial controls.
 		 *
 		 * @type {SpatialControls}
 		 * @protected
diff --git a/demo/src/index.js b/demo/src/index.js
index 2063157a0..37a4960ea 100644
--- a/demo/src/index.js
+++ b/demo/src/index.js
@@ -76,7 +76,7 @@ function render(timestamp) {
 
 window.addEventListener("load", (event) => {
 
-	const debug = (window.location.href.indexOf("localhost") !== -1);
+	const debug = (window.location.hostname === "localhost");
 	const viewport = document.getElementById("viewport");
 	const demoCache = new WeakSet();
 
diff --git a/demo/static/styles.css b/demo/static/styles.css
index 0d9f590e2..c71b1fc12 100644
--- a/demo/static/styles.css
+++ b/demo/static/styles.css
@@ -148,7 +148,7 @@ p {
 }
 
 .dg ul {
-	max-height: 80vh;
+	max-height: calc(100vh - 20px);
 	overflow: auto;
 	scrollbar-width: thin;
 }
diff --git a/esbuild.mjs b/esbuild.mjs
index 095275484..9a60545c4 100644
--- a/esbuild.mjs
+++ b/esbuild.mjs
@@ -23,6 +23,7 @@ await esbuild.build({
 	],
 	outExtension: { ".js": ".txt" },
 	outdir: "tmp",
+	logLevel: "info",
 	format: "iife",
 	bundle: true,
 	minify,
@@ -32,6 +33,7 @@ await esbuild.build({
 await esbuild.build({
 	entryPoints: ["demo/src/index.js"],
 	outdir: "public/demo",
+	logLevel: "info",
 	format: "iife",
 	bundle: true,
 	plugins,
@@ -43,6 +45,7 @@ await esbuild.build({
 	entryPoints: ["src/index.js"],
 	outfile: `build/${pkg.name}.esm.js`,
 	banner: { js: banner },
+	logLevel: "info",
 	format: "esm",
 	bundle: true,
 	external,
@@ -59,6 +62,7 @@ await esbuild.build({
 	outfile: `build/${pkg.name}.js`,
 	banner: { js: `${banner}\n${requireShim}` },
 	footer: { js: footer },
+	logLevel: "info",
 	format: "iife",
 	bundle: true,
 	globalName,
@@ -71,6 +75,7 @@ await esbuild.build({
 	outfile: `build/${pkg.name}.min.js`,
 	banner: { js: `${banner}\n${requireShim}` },
 	footer: { js: footer },
+	logLevel: "info",
 	format: "iife",
 	bundle: true,
 	globalName,
diff --git a/package.json b/package.json
index 908926fd0..f20459040 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "postprocessing",
-	"version": "6.21.5",
+	"version": "6.22.0",
 	"description": "A post processing library that provides the means to implement image filter effects for three.js.",
 	"homepage": "https://github.com/vanruesc/postprocessing",
 	"main": "build/postprocessing.js",
@@ -70,7 +70,7 @@
 		"extends": "aether"
 	},
 	"peerDependencies": {
-		"three": ">= 0.102.0 < 0.129.0"
+		"three": ">= 0.102.0 < 0.130.0"
 	},
 	"devDependencies": {
 		"@types/three": "0.x.x",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f5731f839..b652d48aa 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -24,27 +24,27 @@ specifiers:
   typescript: 4.x.x
 
 devDependencies:
-  '@types/three': 0.127.1
+  '@types/three': 0.128.0
   ava: 3.15.0
   cpy-cli: 3.1.1
   dat.gui: 0.7.7
   del-cli: 3.0.1
-  esbuild: 0.11.20
-  esbuild-plugin-glsl: 1.0.3_esbuild@0.11.20
+  esbuild: 0.12.5
+  esbuild-plugin-glsl: 1.0.3_esbuild@0.12.5
   esdoc: 1.1.0
   esdoc-importpath-plugin: 1.0.2
   esdoc-standard-plugin: 1.0.0
-  eslint: 7.26.0
-  eslint-config-aether: 1.1.3
-  eslint-watch: 7.0.0_eslint@7.26.0
+  eslint: 7.27.0
+  eslint-config-aether: 1.1.5
+  eslint-watch: 7.0.0_eslint@7.27.0
   esm: 3.2.25
   http-server: 0.12.3
   npm-run-all: 4.1.5
-  spatial-controls: 4.0.2_three@0.128.0
-  three: 0.128.0
-  three-demo: 5.0.4_dat.gui@0.7.7+three@0.128.0
+  spatial-controls: 4.1.0_three@0.129.0
+  three: 0.129.0
+  three-demo: 5.0.5_dat.gui@0.7.7+three@0.129.0
   tslib: 2.2.0
-  typescript: 4.2.4
+  typescript: 4.3.2
 
 packages:
 
@@ -146,7 +146,7 @@ packages:
     resolution: {integrity: sha512-SEYeGAIQIQX8NN6LDKprLjbrd5dARM5EXsd8GI/A5l0apYI1fGMWgPHSe4ZKL4eozlAyI+doUE9XbYS4xCkQ1w==}
     dependencies:
       '@types/minimatch': 3.0.4
-      '@types/node': 15.0.2
+      '@types/node': 15.6.1
     dev: true
 
   /@types/minimatch/3.0.4:
@@ -157,16 +157,16 @@ packages:
     resolution: {integrity: sha512-fZQQafSREFyuZcdWFAExYjBiCL7AUCdgsk80iO0q4yihYYdcIiH28CcuPTGFgLOCC8RlW49GSQxdHwZP+I7CNg==}
     dev: true
 
-  /@types/node/15.0.2:
-    resolution: {integrity: sha512-p68+a+KoxpoB47015IeYZYRrdqMUcpbK8re/zpFB8Ld46LHC1lPEbp3EXgkEhAYEcPvjJF6ZO+869SQ0aH1dcA==}
+  /@types/node/15.6.1:
+    resolution: {integrity: sha512-7EIraBEyRHEe7CH+Fm1XvgqU6uwZN8Q7jppJGcqjROMT29qhAuuOxYB1uEY5UMYQKEmA5D+5tBnhdaPXSsLONA==}
     dev: true
 
   /@types/normalize-package-data/2.4.0:
     resolution: {integrity: sha512-f5j5b/Gf71L+dbqxIpQ4Z2WlmI/mPJ0fOkGGmFgtb6sAu97EPczzbS3/tJKxmcYDj55OX6ssqwDAWOHIYDRDGA==}
     dev: true
 
-  /@types/three/0.127.1:
-    resolution: {integrity: sha512-e90iYq3zde3axANg7BPZY0fKrez1AzveamIIFk23PMh9WtCx91geokDy+yEAIymdIldgUpvezAP6+zCV3oekXw==}
+  /@types/three/0.128.0:
+    resolution: {integrity: sha512-Jwq5XYUkzAcPTo34hlGAQGUyAI0b2F3aCCFWG/v7ZhJBEG5HGcusMSr70GhDlT8Gs0f02QnSPZ2RCA1MrCOa/w==}
     dev: true
 
   /abab/1.0.4:
@@ -230,8 +230,8 @@ packages:
       uri-js: 4.4.1
     dev: true
 
-  /ajv/8.3.0:
-    resolution: {integrity: sha512-RYE7B5An83d7eWnDR8kbdaIFqmKCNsP16ay1hDbJEU+sa0e3H9SebskCt0Uufem6cfAVu7Col6ubcn/W+Sm8/Q==}
+  /ajv/8.5.0:
+    resolution: {integrity: sha512-Y2l399Tt1AguU3BPRP9Fn4eN+Or+StUGWCUpbnFyXSo8NZ9S4uj+AG2pjs5apK+ZMOwYOz1+a+VKvKH7CudXgQ==}
     dependencies:
       fast-deep-equal: 3.1.3
       json-schema-traverse: 1.0.0
@@ -294,7 +294,7 @@ packages:
     engines: {node: '>= 8'}
     dependencies:
       normalize-path: 3.0.0
-      picomatch: 2.2.3
+      picomatch: 2.3.0
     dev: true
 
   /argparse/1.0.10:
@@ -445,7 +445,7 @@ packages:
       ora: 5.4.0
       p-event: 4.2.0
       p-map: 4.0.0
-      picomatch: 2.2.3
+      picomatch: 2.3.0
       pkg-conf: 3.1.0
       plur: 4.0.0
       pretty-ms: 7.0.1
@@ -681,7 +681,7 @@ packages:
       http-cache-semantics: 4.1.0
       keyv: 3.1.0
       lowercase-keys: 2.0.0
-      normalize-url: 4.5.0
+      normalize-url: 4.5.1
       responselike: 1.0.2
     dev: true
 
@@ -1008,8 +1008,8 @@ packages:
     requiresBuild: true
     dev: true
 
-  /core-js/3.12.1:
-    resolution: {integrity: sha512-Ne9DKPHTObRuB09Dru5AjwKjY4cJHVGu+y5f7coGn1E9Grkc3p2iBwE9AI/nJzsE29mQF7oq+mhYYRqOMFN1Bw==}
+  /core-js/3.13.1:
+    resolution: {integrity: sha512-JqveUc4igkqwStL2RTRn/EPFGBOfEZHxJl/8ej1mXJR75V3go2mFF4bmUYkEIT1rveHKnkUlcJX/c+f1TyIovQ==}
     requiresBuild: true
     dev: true
 
@@ -1421,8 +1421,8 @@ packages:
       is-arrayish: 0.2.1
     dev: true
 
-  /es-abstract/1.18.0:
-    resolution: {integrity: sha512-LJzK7MrQa8TS0ja2w3YNLzUgJCGPdPOV1yVvezjNnS89D+VR08+Szt2mz3YB2Dck/+w5tfIq/RoUAFqJJGM2yw==}
+  /es-abstract/1.18.3:
+    resolution: {integrity: sha512-nQIr12dxV7SSxE6r6f1l3DtAeEYdsGpps13dR0TwJg1S8gyp4ZPgy3FZcHBgbiQqnoqSTb+oC+kO4UQ0C/J8vw==}
     engines: {node: '>= 0.4'}
     dependencies:
       call-bind: 1.0.2
@@ -1452,17 +1452,17 @@ packages:
       is-symbol: 1.0.4
     dev: true
 
-  /esbuild-plugin-glsl/1.0.3_esbuild@0.11.20:
+  /esbuild-plugin-glsl/1.0.3_esbuild@0.12.5:
     resolution: {integrity: sha512-wkoCLCnjoDn8QkClWJK9XnX3VDfId+clqlQ4tkKS32pGzAroAGnmnIpdID5jIDkHsjvHXRK76/1hhUrtLLnCsQ==}
     engines: {node: '>= 0.10.18'}
     peerDependencies:
       esbuild: 0.x.x
     dependencies:
-      esbuild: 0.11.20
+      esbuild: 0.12.5
     dev: true
 
-  /esbuild/0.11.20:
-    resolution: {integrity: sha512-QOZrVpN/Yz74xfat0H6euSgn3RnwLevY1mJTEXneukz1ln9qB+ieaerRMzSeETpz/UJWsBMzRVR/andBht5WKw==}
+  /esbuild/0.12.5:
+    resolution: {integrity: sha512-vcuP53pA5XiwUU4FnlXM+2PnVjTfHGthM7uP1gtp+9yfheGvFFbq/KyuESThmtoHPUrfZH5JpxGVJIFDVD1Egw==}
     hasBin: true
     requiresBuild: true
     dev: true
@@ -1617,8 +1617,8 @@ packages:
       taffydb: 2.7.3
     dev: true
 
-  /eslint-config-aether/1.1.3:
-    resolution: {integrity: sha512-c/BEDMd8tDmbSPVuAu6BvT8BRD5c2DjuFxWaQtgcBi5tc9RrFgap1iObiUqPVVcZjW+6VtZhfouls6qtSdJq7A==}
+  /eslint-config-aether/1.1.5:
+    resolution: {integrity: sha512-oPriD6NzLlVIaUGAbkYPgHZ9D0LWzfOoWnK8QwaTOH22Vlf5R9xtOxytLUnzUdnD/J7ZxZEjI0jn1SOWcWCFcg==}
     dev: true
 
   /eslint-scope/5.1.1:
@@ -1646,7 +1646,7 @@ packages:
     engines: {node: '>=10'}
     dev: true
 
-  /eslint-watch/7.0.0_eslint@7.26.0:
+  /eslint-watch/7.0.0_eslint@7.27.0:
     resolution: {integrity: sha512-xwEm3blWQbBoYI1eZTfpPAXfqkCteQPgMa28u8k/J97tFwtffSgDc7hCOoR1vxsSzmRLtEthxB0a6pwimPTgLQ==}
     engines: {node: '>=10'}
     hasBin: true
@@ -1654,9 +1654,9 @@ packages:
       eslint: '>=7 <8.0.0'
     dependencies:
       chokidar: 3.5.1
-      core-js: 3.12.1
+      core-js: 3.13.1
       debug: 4.3.1
-      eslint: 7.26.0
+      eslint: 7.27.0
       execa: 4.1.0
       keypress: 0.2.1
       lodash.debounce: 4.0.8
@@ -1670,8 +1670,8 @@ packages:
       - supports-color
     dev: true
 
-  /eslint/7.26.0:
-    resolution: {integrity: sha512-4R1ieRf52/izcZE7AlLy56uIHHDLT74Yzz2Iv2l6kDaYvEu9x+wMB5dZArVL8SYGXSYV2YAg70FcW5Y5nGGNIg==}
+  /eslint/7.27.0:
+    resolution: {integrity: sha512-JZuR6La2ZF0UD384lcbnd0Cgg6QJjiCwhMD6eU4h/VGPcVGwawNNzKU41tgokGXnfjOOyI6QIffthhJTPzzuRA==}
     engines: {node: ^10.12.0 || >=12.0.0}
     hasBin: true
     dependencies:
@@ -1683,16 +1683,18 @@ packages:
       debug: 4.3.1
       doctrine: 3.0.0
       enquirer: 2.3.6
+      escape-string-regexp: 4.0.0
       eslint-scope: 5.1.1
       eslint-utils: 2.1.0
       eslint-visitor-keys: 2.1.0
       espree: 7.3.1
       esquery: 1.4.0
       esutils: 2.0.3
+      fast-deep-equal: 3.1.3
       file-entry-cache: 6.0.1
       functional-red-black-tree: 1.0.1
       glob-parent: 5.1.2
-      globals: 13.8.0
+      globals: 13.9.0
       ignore: 4.0.6
       import-fresh: 3.3.0
       imurmurhash: 0.1.4
@@ -1700,7 +1702,7 @@ packages:
       js-yaml: 3.14.1
       json-stable-stringify-without-jsonify: 1.0.1
       levn: 0.4.1
-      lodash: 4.17.21
+      lodash.merge: 4.6.2
       minimatch: 3.0.4
       natural-compare: 1.4.0
       optionator: 0.9.1
@@ -1709,7 +1711,7 @@ packages:
       semver: 7.3.5
       strip-ansi: 6.0.0
       strip-json-comments: 3.1.1
-      table: 6.7.0
+      table: 6.7.1
       text-table: 0.2.0
       v8-compile-cache: 2.3.0
     transitivePeerDependencies:
@@ -1866,7 +1868,7 @@ packages:
       glob-parent: 5.1.2
       merge2: 1.4.1
       micromatch: 4.0.4
-      picomatch: 2.2.3
+      picomatch: 2.3.0
     dev: true
 
   /fast-json-stable-stringify/2.1.0:
@@ -2100,8 +2102,8 @@ packages:
       type-fest: 0.8.1
     dev: true
 
-  /globals/13.8.0:
-    resolution: {integrity: sha512-rHtdA6+PDBIjeEvA91rpqzEvk/k3/i7EeNQiryiWuJH0Hw9cpyJMAt2jtbAwUaRdhD+573X4vWw6IcjKPasi9Q==}
+  /globals/13.9.0:
+    resolution: {integrity: sha512-74/FduwI/JaIrr1H8e71UbDE+5x7pIPs1C2rrwC52SszOo043CsWOZEMW7o2Y58xwm9b+0RBKDxY5n2sUpEFxA==}
     engines: {node: '>=8'}
     dependencies:
       type-fest: 0.20.2
@@ -2490,8 +2492,8 @@ packages:
       ci-info: 2.0.0
     dev: true
 
-  /is-core-module/2.3.0:
-    resolution: {integrity: sha512-xSphU2KG9867tsYdLD4RWQ1VqdFl4HTO9Thf3I/3dLEfr0dbPTWKsuCKrgqMljg4nPE+Gq0VCnzT3gr0CyBmsw==}
+  /is-core-module/2.4.0:
+    resolution: {integrity: sha512-6A2fkfq1rfeQZjxrZJGerpLCTHRNEBiSgnu0+obeJpEPZRUooHgsizvzv0ZjJwOz3iWIHdJtVWJ/tmPr3D21/A==}
     dependencies:
       has: 1.0.3
     dev: true
@@ -3142,7 +3144,7 @@ packages:
       normalize-package-data: 2.5.0
       read-pkg-up: 7.0.1
       redent: 3.0.0
-      trim-newlines: 3.0.0
+      trim-newlines: 3.0.1
       type-fest: 0.13.1
       yargs-parser: 18.1.3
     dev: true
@@ -3180,7 +3182,7 @@ packages:
     engines: {node: '>=8.6'}
     dependencies:
       braces: 3.0.2
-      picomatch: 2.2.3
+      picomatch: 2.3.0
     dev: true
 
   /mime-db/1.47.0:
@@ -3316,8 +3318,8 @@ packages:
     engines: {node: '>=0.10.0'}
     dev: true
 
-  /normalize-url/4.5.0:
-    resolution: {integrity: sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==}
+  /normalize-url/4.5.1:
+    resolution: {integrity: sha512-9UZCFRHQdNrfTpGg8+1INIg93B6zE0aXMVFkw1WFwvO4SlZywU6aLg5Of0Ap/PgcbSw4LNxvMWXMeugwMCX0AA==}
     engines: {node: '>=8'}
     dev: true
 
@@ -3596,7 +3598,7 @@ packages:
   /parse5/3.0.3:
     resolution: {integrity: sha512-rgO9Zg5LLLkfJF9E6CCmXlSE4UVceloys8JrFqCcHloC3usd/kJCyPDwH2SOlzix2j3xaP9sUX3e8+kvkuleAA==}
     dependencies:
-      '@types/node': 15.0.2
+      '@types/node': 15.6.1
     dev: true
 
   /pascalcase/0.1.1:
@@ -3633,8 +3635,8 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
-  /path-parse/1.0.6:
-    resolution: {integrity: sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==}
+  /path-parse/1.0.7:
+    resolution: {integrity: sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==}
     dev: true
 
   /path-type/3.0.0:
@@ -3654,8 +3656,8 @@ packages:
     dev: true
     optional: true
 
-  /picomatch/2.2.3:
-    resolution: {integrity: sha512-KpELjfwcCDUb9PeigTs2mBJzXUPzAuP2oPcA989He8Rte0+YUAjw1JVedDhuTKPkHjSYzMN3npC9luThGYEKdg==}
+  /picomatch/2.3.0:
+    resolution: {integrity: sha512-lY1Q/PiJGC2zOv/z391WOTD+Z02bCgsFfvxoXXf6h7kv9o+WmsmzYqrAwY63sNgOxE4xEdq0WyUnXfKeBrSvYw==}
     engines: {node: '>=8.6'}
     dev: true
 
@@ -3845,7 +3847,7 @@ packages:
     resolution: {integrity: sha512-cMhu7c/8rdhkHXWsY+osBhfSy0JikwpHK/5+imo+LpeasTF8ouErHrlYkwT0++njiyuDvc7OFY5T3ukvZ8qmFQ==}
     engines: {node: '>=8.10.0'}
     dependencies:
-      picomatch: 2.2.3
+      picomatch: 2.3.0
     dev: true
 
   /redent/3.0.0:
@@ -3979,8 +3981,8 @@ packages:
   /resolve/1.20.0:
     resolution: {integrity: sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==}
     dependencies:
-      is-core-module: 2.3.0
-      path-parse: 1.0.6
+      is-core-module: 2.4.0
+      path-parse: 1.0.7
     dev: true
 
   /responselike/1.0.2:
@@ -4219,20 +4221,20 @@ packages:
     engines: {node: '>=0.10.0'}
     dev: true
 
-  /spatial-controls/4.0.2_three@0.128.0:
-    resolution: {integrity: sha512-LPkv4ZubxL81ToeJSfMKbmhuSaN2pWftl64jjNfmHS6tbCt3yq8A8jvscls6xFNLEbMcWNRmqGAVysKS9M86hw==}
+  /spatial-controls/4.1.0_three@0.129.0:
+    resolution: {integrity: sha512-PGmMbl9se4bsbU5Id2G2ouZeAfmJK6dTBlTdSybQTeiImOLC5nXixn6ewjIlCVMK9/3OSdgN09/ZQudjwhx2xQ==}
     engines: {node: '>= 0.14.0'}
     peerDependencies:
-      three: '>= 0.126.0 < 0.129.0'
+      three: '>= 0.126.0 < 0.130.0'
     dependencies:
-      three: 0.128.0
+      three: 0.129.0
     dev: true
 
   /spdx-correct/3.1.1:
     resolution: {integrity: sha512-cOYcUWwhCuHCXi49RhFRCyJEK3iPj1Ziz9DpViV3tbZOwXD49QzIN3MpOLJNxh2qwq2lJJZaKMVw9qNi4jTC0w==}
     dependencies:
       spdx-expression-parse: 3.0.1
-      spdx-license-ids: 3.0.7
+      spdx-license-ids: 3.0.9
     dev: true
 
   /spdx-exceptions/2.3.0:
@@ -4243,11 +4245,11 @@ packages:
     resolution: {integrity: sha512-cbqHunsQWnJNE6KhVSMsMeH5H/L9EpymbzqTQ3uLwNCLZ1Q481oWaofqH7nO6V07xlXwY6PhQdQ2IedWx/ZK4Q==}
     dependencies:
       spdx-exceptions: 2.3.0
-      spdx-license-ids: 3.0.7
+      spdx-license-ids: 3.0.9
     dev: true
 
-  /spdx-license-ids/3.0.7:
-    resolution: {integrity: sha512-U+MTEOO0AiDzxwFvoa4JVnMV6mZlJKk2sBLt90s7G0Gd0Mlknc7kxEn3nuDPNZRta7O2uy8oLcZLVT+4sqNZHQ==}
+  /spdx-license-ids/3.0.9:
+    resolution: {integrity: sha512-Ki212dKK4ogX+xDo4CtOZBVIwhsKBEfsEEcwmJfLQzirgc2jIWdzg40Unxz/HzEUqM1WFzVlQSMF9kZZ2HboLQ==}
     dev: true
 
   /split-string/3.1.0:
@@ -4317,7 +4319,7 @@ packages:
     dependencies:
       call-bind: 1.0.2
       define-properties: 1.1.3
-      es-abstract: 1.18.0
+      es-abstract: 1.18.3
     dev: true
 
   /string.prototype.trimend/1.0.4:
@@ -4427,11 +4429,11 @@ packages:
     dev: true
     optional: true
 
-  /table/6.7.0:
-    resolution: {integrity: sha512-SAM+5p6V99gYiiy2gT5ArdzgM1dLDed0nkrWmG6Fry/bUS/m9x83BwpJUOf1Qj/x2qJd+thL6IkIx7qPGRxqBw==}
+  /table/6.7.1:
+    resolution: {integrity: sha512-ZGum47Yi6KOOFDE8m223td53ath2enHcYLgOCjGr5ngu8bdIARQk6mN/wRMv4yMRcHnCSnHbCEha4sobQx5yWg==}
     engines: {node: '>=10.0.0'}
     dependencies:
-      ajv: 8.3.0
+      ajv: 8.5.0
       lodash.clonedeep: 4.5.0
       lodash.truncate: 4.4.2
       slice-ansi: 4.0.0
@@ -4456,19 +4458,19 @@ packages:
     resolution: {integrity: sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=}
     dev: true
 
-  /three-demo/5.0.4_dat.gui@0.7.7+three@0.128.0:
-    resolution: {integrity: sha512-cVSvByeIpaMEEpbsTvPI57+mz3Aphv5mnNawMXNcXqUasPhv1UKfCcyq7TcpsSIqEvB3JTFtOcjfvoAj99MJug==}
+  /three-demo/5.0.5_dat.gui@0.7.7+three@0.129.0:
+    resolution: {integrity: sha512-awYDbEKyOglPjTSl+GwvFBcYP5VZoIg2P67Y6RqtNNOd7y8eNmJScySCoyjkLtjkgl5w0S+BsFDQaC0Fmb+Q6g==}
     engines: {node: '>= 0.14.0'}
     peerDependencies:
       dat.gui: '>= 0.0.0 < 1.0.0'
-      three: '>= 0.126.0 < 0.129.0'
+      three: '>= 0.126.0 < 0.130.0'
     dependencies:
       dat.gui: 0.7.7
-      three: 0.128.0
+      three: 0.129.0
     dev: true
 
-  /three/0.128.0:
-    resolution: {integrity: sha512-i0ap/E+OaSfzw7bD1TtYnPo3VEplkl70WX5fZqZnfZsE3k3aSFudqrrC9ldFZfYFkn1zwDmBcdGfiIm/hnbyZA==}
+  /three/0.129.0:
+    resolution: {integrity: sha512-wiWio1yVRg2Oj6WEWsTHQo5eSzYpEwSBtPSi3OofNpvFbf26HFfb9kw4FZJNjII4qxzp0b1xLB11+tKkBGB1ZA==}
     dev: true
 
   /time-zone/1.0.0:
@@ -4532,8 +4534,8 @@ packages:
     dev: true
     optional: true
 
-  /trim-newlines/3.0.0:
-    resolution: {integrity: sha512-C4+gOpvmxaSMKuEf9Qc134F1ZuOHVXKRbtEflf4NTtuuJDEIJ9p5PXsalL8SkeRw+qit1Mo+yuvMPAKwWg/1hA==}
+  /trim-newlines/3.0.1:
+    resolution: {integrity: sha512-c1PTsA3tYrIsLGkJkzHF+w9F2EyxfXGo4UyJc4pFL++FMjnq0HJS69T3M7d//gKrFKwy429bouPescbjecU+Zw==}
     engines: {node: '>=8'}
     dev: true
 
@@ -4609,8 +4611,8 @@ packages:
       is-typedarray: 1.0.0
     dev: true
 
-  /typescript/4.2.4:
-    resolution: {integrity: sha512-V+evlYHZnQkaz8TRBuxTA92yZBPotr5H+WhQ7bD3hZUndx5tGOa1fuCgeSjxAzM1RiN5IzvadIXTVefuuwZCRg==}
+  /typescript/4.3.2:
+    resolution: {integrity: sha512-zZ4hShnmnoVnAHpVHWpTcxdv7dWP60S2FsydQLV8V5PbS3FifjWFFRiHSWpDJahly88PRyV5teTSLoq4eG7mKw==}
     engines: {node: '>=4.2.0'}
     hasBin: true
     dev: true
@@ -4714,6 +4716,7 @@ packages:
 
   /uuid/3.4.0:
     resolution: {integrity: sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==}
+    deprecated: Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.
     hasBin: true
     dev: true
     optional: true
diff --git a/src/core/Selection.js b/src/core/Selection.js
index 492193e3f..f3e6f67c5 100644
--- a/src/core/Selection.js
+++ b/src/core/Selection.js
@@ -27,6 +27,15 @@ export class Selection extends Set {
 
 		this.currentLayer = layer;
 
+		/**
+		 * Controls whether objects that are added to this selection should be
+		 * removed from all other layers.
+		 *
+		 * @type {Boolean}
+		 */
+
+		this.exclusive = false;
+
 		if(iterable !== undefined) {
 
 			this.set(iterable);
@@ -119,7 +128,7 @@ export class Selection extends Set {
 	 *
 	 * @param {Object3D} object - An object.
 	 * @return {Number} Returns 0 if the given object is currently selected, or -1 otherwise.
-	 * @deprecated Added for backward compatibility. Use has instead.
+	 * @deprecated Added for backward compatibility. Use `has` instead.
 	 */
 
 	indexOf(object) {
@@ -131,16 +140,26 @@ export class Selection extends Set {
 	/**
 	 * Adds an object to this selection.
 	 *
+	 * If {@link exclusive} is set to `true`, the object will also be removed from
+	 * all other layers.
+	 *
 	 * @param {Object3D} object - The object that should be selected.
 	 * @return {Selection} This selection.
 	 */
 
 	add(object) {
 
-		object.layers.enable(this.layer);
-		super.add(object);
+		if(this.exclusive) {
 
-		return this;
+			object.layers.set(this.layer);
+
+		} else {
+
+			object.layers.enable(this.layer);
+
+		}
+
+		return super.add(object);
 
 	}
 
diff --git a/src/materials/glsl/mask/shader.frag b/src/materials/glsl/mask/shader.frag
index 616851eef..3645e4e0e 100644
--- a/src/materials/glsl/mask/shader.frag
+++ b/src/materials/glsl/mask/shader.frag
@@ -50,19 +50,13 @@ void main() {
 
 		#ifdef INVERTED
 
-			if(mask > 0.0) {
-
-				discard;
-
-			}
+			// (mask > 0.0) ? 0.0 : 1.0;
+			mask = step(mask, 0.0);
 
 		#else
 
-			if(mask == 0.0) {
-
-				discard;
-
-			}
+			// (mask > 0.0) ? 1.0 : 0.0;
+			mask = 1.0 - step(mask, 0.0);
 
 		#endif
 
@@ -76,15 +70,17 @@ void main() {
 
 		#endif
 
-		#if MASK_FUNCTION == 1
+	#endif
 
-			gl_FragColor = mask * texture2D(inputBuffer, vUv);
+	#if MASK_FUNCTION == 2
 
-		#else
+		// MULTIPLY_RGB_SET_ALPHA
+		gl_FragColor = vec4(mask * texture2D(inputBuffer, vUv).rgb, mask);
 
-			gl_FragColor = vec4(mask * texture2D(inputBuffer, vUv).rgb, mask);
+	#else
 
-		#endif
+		// DISCARD / MULTIPLY
+		gl_FragColor = mask * texture2D(inputBuffer, vUv);
 
 	#endif