1 files changed, 63 insertions, 0 deletions
diff --git a/downloads/ShaderPass.js b/downloads/ShaderPass.js
new file mode 100644
index 0000000..9c508b3
--- /dev/null
+++ b/downloads/ShaderPass.js
@@ -0,0 +1,63 @@
+( function () {
+
+	class ShaderPass extends THREE.Pass {
+
+		constructor( shader, textureID ) {
+
+			super();
+			this.textureID = textureID !== undefined ? textureID : 'tDiffuse';
+
+			if ( shader instanceof THREE.ShaderMaterial ) {
+
+				this.uniforms = shader.uniforms;
+				this.material = shader;
+
+			} else if ( shader ) {
+
+				this.uniforms = THREE.UniformsUtils.clone( shader.uniforms );
+				this.material = new THREE.ShaderMaterial( {
+					defines: Object.assign( {}, shader.defines ),
+					uniforms: this.uniforms,
+					vertexShader: shader.vertexShader,
+					fragmentShader: shader.fragmentShader
+				} );
+
+			}
+
+			this.fsQuad = new THREE.FullScreenQuad( this.material );
+
+		}
+
+		render( renderer, writeBuffer, readBuffer
+			/*, deltaTime, maskActive */
+		) {
+
+			if ( this.uniforms[ this.textureID ] ) {
+
+				this.uniforms[ this.textureID ].value = readBuffer.texture;
+
+			}
+
+			this.fsQuad.material = this.material;
+
+			if ( this.renderToScreen ) {
+
+				renderer.setRenderTarget( null );
+				this.fsQuad.render( renderer );
+
+			} else {
+
+				renderer.setRenderTarget( writeBuffer ); // TODO: Avoid using autoClear properties, see https://github.com/mrdoob/three.js/pull/15571#issuecomment-465669600
+
+				if ( this.clear ) renderer.clear( renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil );
+				this.fsQuad.render( renderer );
+
+			}
+
+		}
+
+	}
+
+	THREE.ShaderPass = ShaderPass;
+
+} )();