https://github.com/WWBN/AVideo/issues/8713

node_modules/three/examples/js/shaders/PixelShader.js

@@ -0,0 +1,45 @@
+/**
+ * Pixelation shader
+ */
+
+THREE.PixelShader = {
+
+	uniforms: {
+
+		'tDiffuse': { value: null },
+		'resolution': { value: null },
+		'pixelSize': { value: 1. },
+
+	},
+
+	vertexShader: [
+
+		'varying highp vec2 vUv;',
+
+		'void main() {',
+
+		'vUv = uv;',
+		'gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
+
+		'}'
+
+	].join( '\n' ),
+
+	fragmentShader: [
+
+		'uniform sampler2D tDiffuse;',
+		'uniform float pixelSize;',
+		'uniform vec2 resolution;',
+
+		'varying highp vec2 vUv;',
+
+		'void main(){',
+
+		'vec2 dxy = pixelSize / resolution;',
+		'vec2 coord = dxy * floor( vUv / dxy );',
+		'gl_FragColor = texture2D(tDiffuse, coord);',
+
+		'}'
+
+	].join( '\n' )
+};