first commit

public/sdk/three/jsm/renderers/common/SampledTexture.js

@@ -0,0 +1,83 @@
+import Binding from './Binding.js';
+
+let id = 0;
+
+class SampledTexture extends Binding {
+
+	constructor( name, texture ) {
+
+		super( name );
+
+		this.id = id ++;
+
+		this.texture = texture;
+		this.version = texture ? texture.version : 0;
+		this.store = false;
+
+		this.isSampledTexture = true;
+
+	}
+
+	get needsBindingsUpdate() {
+
+		const { texture, version } = this;
+
+		return texture.isVideoTexture ? true : version !== texture.version; // @TODO: version === 0 && texture.version > 0 ( add it just to External Textures like PNG,JPG )
+
+	}
+
+	update() {
+
+		const { texture, version } = this;
+
+		if ( version !== texture.version ) {
+
+			this.version = texture.version;
+
+			return true;
+
+		}
+
+		return false;
+
+	}
+
+}
+
+class SampledArrayTexture extends SampledTexture {
+
+	constructor( name, texture ) {
+
+		super( name, texture );
+
+		this.isSampledArrayTexture = true;
+
+	}
+
+}
+
+class Sampled3DTexture extends SampledTexture {
+
+	constructor( name, texture ) {
+
+		super( name, texture );
+
+		this.isSampled3DTexture = true;
+
+	}
+
+}
+
+class SampledCubeTexture extends SampledTexture {
+
+	constructor( name, texture ) {
+
+		super( name, texture );
+
+		this.isSampledCubeTexture = true;
+
+	}
+
+}
+
+export { SampledTexture, SampledArrayTexture, Sampled3DTexture, SampledCubeTexture };