1 files changed, 74 insertions, 0 deletions
diff --git a/downloads/RenderPass.js b/downloads/RenderPass.js
new file mode 100644
index 0000000..b212e77
--- /dev/null
+++ b/downloads/RenderPass.js
@@ -0,0 +1,74 @@
+( function () {
+
+	class RenderPass extends THREE.Pass {
+
+		constructor( scene, camera, overrideMaterial, clearColor, clearAlpha ) {
+
+			super();
+			this.scene = scene;
+			this.camera = camera;
+			this.overrideMaterial = overrideMaterial;
+			this.clearColor = clearColor;
+			this.clearAlpha = clearAlpha !== undefined ? clearAlpha : 0;
+			this.clear = true;
+			this.clearDepth = false;
+			this.needsSwap = false;
+			this._oldClearColor = new THREE.Color();
+
+		}
+
+		render( renderer, writeBuffer, readBuffer
+			/*, deltaTime, maskActive */
+		) {
+
+			const oldAutoClear = renderer.autoClear;
+			renderer.autoClear = false;
+			let oldClearAlpha, oldOverrideMaterial;
+
+			if ( this.overrideMaterial !== undefined ) {
+
+				oldOverrideMaterial = this.scene.overrideMaterial;
+				this.scene.overrideMaterial = this.overrideMaterial;
+
+			}
+
+			if ( this.clearColor ) {
+
+				renderer.getClearColor( this._oldClearColor );
+				oldClearAlpha = renderer.getClearAlpha();
+				renderer.setClearColor( this.clearColor, this.clearAlpha );
+
+			}
+
+			if ( this.clearDepth ) {
+
+				renderer.clearDepth();
+
+			}
+
+			renderer.setRenderTarget( this.renderToScreen ? null : readBuffer ); // 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 );
+			renderer.render( this.scene, this.camera );
+
+			if ( this.clearColor ) {
+
+				renderer.setClearColor( this._oldClearColor, oldClearAlpha );
+
+			}
+
+			if ( this.overrideMaterial !== undefined ) {
+
+				this.scene.overrideMaterial = oldOverrideMaterial;
+
+			}
+
+			renderer.autoClear = oldAutoClear;
+
+		}
+
+	}
+
+	THREE.RenderPass = RenderPass;
+
+} )();