WebGLRenderer: deprecated renderTarget and forceClear from render()

docs/api/en/renderers/WebGLRenderer.html

@@ -368,17 +368,15 @@ <h3>[method:null readRenderTargetPixels]( [param:WebGLRenderTarget renderTarget]
 		See the [example:webgl_interactive_cubes_gpu interactive / cubes / gpu] example.
 		</p>
 
-		<h3>[method:null render]( [param:Scene scene], [param:Camera camera], [param:WebGLRenderTarget renderTarget], [param:Boolean forceClear] )</h3>
+		<h3>[method:null render]( [param:Scene scene], [param:Camera camera] )</h3>
 		<p>
 			Render a [page:Scene scene] using a [page:Camera camera].<br />
 
-			The render is done to the [page:WebGLRenderTarget renderTarget] (if specified) or to the canvas as usual.<br />
+			The render is done to a previously specified [page:WebGLRenderTarget renderTarget] set by calling [page:WebGLRenderer.setRenderTarget .setRenderTarget] or to the canvas as usual.<br />
 
-			If [page:Boolean forceClear] is *true*, the depth, stencil and color buffers will be cleared
-			before rendering even if the renderer's [page:WebGLRenderer.autoClear autoClear] property is false.<br />
-
-			Even with forceClear set to true you can prevent certain buffers being cleared by setting
-			either the [page:WebGLRenderer.autoClearColor autoClearColor], [page:WebGLRenderer.autoClearStencil autoClearStencil] or [page:WebGLRenderer.autoClearDepth autoClearDepth] properties to false.
+			By default render buffers are cleared before rendering but you can prevent this by setting the property [page:WebGLRenderer.autoClear autoClear] to false.
+			If you want to prevent only certain buffers being cleared you can set either the [page:WebGLRenderer.autoClearColor autoClearColor], [page:WebGLRenderer.autoClearStencil autoClearStencil] or
+			[page:WebGLRenderer.autoClearDepth autoClearDepth] properties to false. To forcibly clear one ore more buffers call [page:WebGLRenderer.clear .clear].
 		</p>
 
 		<h3>[method:null renderBufferDirect]( [param:Camera camera], [param:Fog fog], [param:Geometry geometry], [param:Material material], [param:Object3D object], [param:Object group] )</h3>

examples/js/GPUComputationRenderer.js

@@ -277,7 +277,9 @@ function GPUComputationRenderer( sizeX, sizeY, renderer ) {
 		addResolutionDefine( material );
 
 		return material;
+
 	}
+
 	this.createShaderMaterial = createShaderMaterial;
 
 	this.createRenderTarget = function( sizeXTexture, sizeYTexture, wrapS, wrapT, minFilter, magFilter ) {
@@ -316,7 +318,6 @@ function GPUComputationRenderer( sizeX, sizeY, renderer ) {
 
 	};
 
-
 	this.renderTexture = function( input, output ) {
 
 		// Takes a texture, and render out in rendertarget
@@ -333,10 +334,15 @@ function GPUComputationRenderer( sizeX, sizeY, renderer ) {
 
 	this.doRenderTarget = function( material, output ) {
 
+		var currentRenderTarget = renderer.getRenderTarget();
+
 		mesh.material = material;
-		renderer.render( scene, camera, output );
+		renderer.setRenderTarget( output );
+		renderer.render( scene, camera );
 		mesh.material = passThruShader;
 
+		renderer.setRenderTarget( currentRenderTarget );
+
 	};
 
 	// Shaders

examples/js/Ocean.js

@@ -256,7 +256,10 @@ THREE.Ocean.prototype.renderInitialSpectrum = function () {
 	this.scene.overrideMaterial = this.materialInitialSpectrum;
 	this.materialInitialSpectrum.uniforms.u_wind.value.set( this.windX, this.windY );
 	this.materialInitialSpectrum.uniforms.u_size.value = this.size;
-	this.renderer.render( this.scene, this.oceanCamera, this.initialSpectrumFramebuffer, true );
+
+	this.renderer.setRenderTarget( this.initialSpectrumFramebuffer );
+	this.renderer.clear();
+	this.renderer.render( this.scene, this.oceanCamera );
 
 };
 
@@ -269,14 +272,15 @@ THREE.Ocean.prototype.renderWavePhase = function () {
 		this.materialPhase.uniforms.u_phases.value = this.pingPhaseTexture;
 		this.initial = false;
 
-	}else {
+	} else {
 
 		this.materialPhase.uniforms.u_phases.value = this.pingPhase ? this.pingPhaseFramebuffer.texture : this.pongPhaseFramebuffer.texture;
 
 	}
 	this.materialPhase.uniforms.u_deltaTime.value = this.deltaTime;
 	this.materialPhase.uniforms.u_size.value = this.size;
-	this.renderer.render( this.scene, this.oceanCamera, this.pingPhase ? this.pongPhaseFramebuffer : this.pingPhaseFramebuffer );
+	this.renderer.setRenderTarget( this.pingPhase ? this.pongPhaseFramebuffer : this.pingPhaseFramebuffer );
+	this.renderer.render( this.scene, this.oceanCamera );
 	this.pingPhase = ! this.pingPhase;
 
 };
@@ -288,7 +292,9 @@ THREE.Ocean.prototype.renderSpectrum = function () {
 	this.materialSpectrum.uniforms.u_phases.value = this.pingPhase ? this.pingPhaseFramebuffer.texture : this.pongPhaseFramebuffer.texture;
 	this.materialSpectrum.uniforms.u_choppiness.value = this.choppiness;
 	this.materialSpectrum.uniforms.u_size.value = this.size;
-	this.renderer.render( this.scene, this.oceanCamera, this.spectrumFramebuffer );
+
+	this.renderer.setRenderTarget( this.spectrumFramebuffer );
+	this.renderer.render( this.scene, this.oceanCamera );
 
 };
 
@@ -305,19 +311,25 @@ THREE.Ocean.prototype.renderSpectrumFFT = function() {
 
 			this.materialOceanHorizontal.uniforms.u_input.value = this.spectrumFramebuffer.texture;
 			this.materialOceanHorizontal.uniforms.u_subtransformSize.value = Math.pow( 2, ( i % ( iterations ) ) + 1 );
-			this.renderer.render( this.scene, this.oceanCamera, this.pingTransformFramebuffer );
+
+			this.renderer.setRenderTarget( this.pingTransformFramebuffer );
+			this.renderer.render( this.scene, this.oceanCamera );
 
 		} else if ( i % 2 === 1 ) {
 
 			this.materialOceanHorizontal.uniforms.u_input.value = this.pingTransformFramebuffer.texture;
 			this.materialOceanHorizontal.uniforms.u_subtransformSize.value = Math.pow( 2, ( i % ( iterations ) ) + 1 );
-			this.renderer.render( this.scene, this.oceanCamera, this.pongTransformFramebuffer );
+
+			this.renderer.setRenderTarget( this.pongTransformFramebuffer );
+			this.renderer.render( this.scene, this.oceanCamera );
 
 		} else {
 
 			this.materialOceanHorizontal.uniforms.u_input.value = this.pongTransformFramebuffer.texture;
 			this.materialOceanHorizontal.uniforms.u_subtransformSize.value = Math.pow( 2, ( i % ( iterations ) ) + 1 );
-			this.renderer.render( this.scene, this.oceanCamera, this.pingTransformFramebuffer );
+
+			this.renderer.setRenderTarget( this.pingTransformFramebuffer );
+			this.renderer.render( this.scene, this.oceanCamera );
 
 		}
 
@@ -329,19 +341,25 @@ THREE.Ocean.prototype.renderSpectrumFFT = function() {
 
 			this.materialOceanVertical.uniforms.u_input.value = ( iterations % 2 === 0 ) ? this.pingTransformFramebuffer.texture : this.pongTransformFramebuffer.texture;
 			this.materialOceanVertical.uniforms.u_subtransformSize.value = Math.pow( 2, ( i % ( iterations ) ) + 1 );
-			this.renderer.render( this.scene, this.oceanCamera, this.displacementMapFramebuffer );
+
+			this.renderer.setRenderTarget( this.displacementMapFramebuffer );
+			this.renderer.render( this.scene, this.oceanCamera );
 
 		} else if ( i % 2 === 1 ) {
 
 			this.materialOceanVertical.uniforms.u_input.value = this.pingTransformFramebuffer.texture;
 			this.materialOceanVertical.uniforms.u_subtransformSize.value = Math.pow( 2, ( i % ( iterations ) ) + 1 );
-			this.renderer.render( this.scene, this.oceanCamera, this.pongTransformFramebuffer );
+
+			this.renderer.setRenderTarget( this.pongTransformFramebuffer );
+			this.renderer.render( this.scene, this.oceanCamera );
 
 		} else {
 
 			this.materialOceanVertical.uniforms.u_input.value = this.pongTransformFramebuffer.texture;
 			this.materialOceanVertical.uniforms.u_subtransformSize.value = Math.pow( 2, ( i % ( iterations ) ) + 1 );
-			this.renderer.render( this.scene, this.oceanCamera, this.pingTransformFramebuffer );
+
+			this.renderer.setRenderTarget( this.pingTransformFramebuffer );
+			this.renderer.render( this.scene, this.oceanCamera );
 
 		}
 
@@ -354,6 +372,9 @@ THREE.Ocean.prototype.renderNormalMap = function () {
 	this.scene.overrideMaterial = this.materialNormal;
 	if ( this.changed ) this.materialNormal.uniforms.u_size.value = this.size;
 	this.materialNormal.uniforms.u_displacementMap.value = this.displacementMapFramebuffer.texture;
-	this.renderer.render( this.scene, this.oceanCamera, this.normalMapFramebuffer, true );
+
+	this.renderer.setRenderTarget( this.normalMapFramebuffer );
+	this.renderer.clear();
+	this.renderer.render( this.scene, this.oceanCamera );
 
 };

examples/js/cameras/CinematicCamera.js

@@ -177,22 +177,31 @@ THREE.CinematicCamera.prototype.renderCinematic = function ( scene, renderer ) {
 
 	if ( this.postprocessing.enabled ) {
 
+		var currentRenderTarget = renderer.getRenderTarget();
+
 		renderer.clear();
 
 		// Render scene into texture
 
 		scene.overrideMaterial = null;
-		renderer.render( scene, camera, this.postprocessing.rtTextureColor, true );
+		renderer.setRenderTarget( this.postprocessing.rtTextureColor );
+		renderer.clear();
+		renderer.render( scene, camera );
 
 		// Render depth into texture
 
 		scene.overrideMaterial = this.materialDepth;
-		renderer.render( scene, camera, this.postprocessing.rtTextureDepth, true );
+		renderer.setRenderTarget( this.postprocessing.rtTextureDepth );
+		renderer.clear();
+		renderer.render( scene, camera, this.postprocessing.rtTextureDepth );
 
 		// Render bokeh composite
 
+		renderer.setRenderTarget( null );
 		renderer.render( this.postprocessing.scene, this.postprocessing.camera );
 
+		renderer.setRenderTarget( currentRenderTarget );
+
 	}
 
 };

examples/js/crossfade/scenes.js

@@ -101,11 +101,19 @@ function Scene( type, numObjects, cameraZ, fov, rotationSpeed, clearColor ) {
 
 		renderer.setClearColor( this.clearColor );
 
-		if ( rtt )
-			renderer.render( this.scene, this.camera, this.fbo, true );
-		else
+		if ( rtt ) {
+
+			renderer.setRenderTarget( this.fbo );
+			renderer.clear();
+			renderer.render( this.scene, this.camera );
+
+		} else {
+
+			renderer.setRenderTarget( null );
 			renderer.render( this.scene, this.camera );
 
+		}
+
 	};
 
 }

examples/js/crossfade/transition.js

@@ -1,4 +1,4 @@
-function Transition ( sceneA, sceneB ) {
+function Transition( sceneA, sceneB ) {
 
 	this.scene = new THREE.Scene();
 
@@ -157,7 +157,9 @@ function Transition ( sceneA, sceneB ) {
 
 			this.sceneA.render( delta, true );
 			this.sceneB.render( delta, true );
-			renderer.render( this.scene, this.cameraOrtho, null, true );
+			renderer.setRenderTarget( null );
+			renderer.clear();
+			renderer.render( this.scene, this.cameraOrtho );
 
 		}
 

examples/js/effects/AnaglyphEffect.js

@@ -130,16 +130,25 @@ THREE.AnaglyphEffect = function ( renderer, width, height ) {
 
 	this.render = function ( scene, camera ) {
 
+		var currentRenderTarget = renderer.getRenderTarget();
+
 		scene.updateMatrixWorld();
 
 		if ( camera.parent === null ) camera.updateMatrixWorld();
 
 		_stereo.update( camera );
 
-		renderer.render( scene, _stereo.cameraL, _renderTargetL, true );
-		renderer.render( scene, _stereo.cameraR, _renderTargetR, true );
+		renderer.setRenderTarget( _renderTargetL );
+		renderer.clear();
+		renderer.render( scene, _stereo.cameraL );
+
+		renderer.setRenderTarget( _renderTargetR );
+		renderer.clear();
+		renderer.render( scene, _stereo.cameraR );
 		renderer.render( _scene, _camera );
 
+		renderer.setRenderTarget( currentRenderTarget );
+
 	};
 
 	this.dispose = function () {

examples/js/effects/OutlineEffect.js

@@ -402,11 +402,31 @@ THREE.OutlineEffect = function ( renderer, parameters ) {
 
 	}
 
-	this.render = function ( scene, camera, renderTarget, forceClear ) {
+	this.render = function ( scene, camera ) {
+
+		var renderTarget;
+		var forceClear;
+
+		if ( arguments[ 2 ] !== undefined ) {
+
+			console.warn( 'THREE.OutlineEffect.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead.' );
+			renderTarget = arguments[ 2 ];
+
+		}
+
+		if ( arguments[ 3 ] !== undefined ) {
+
+			console.warn( 'THREE.OutlineEffect.render(): the forceClear argument has been removed. Use .clear() instead.' );
+			forceClear = arguments[ 3 ];
+
+		}
+
+		renderer.setRenderTarget( renderTarget );
+		if ( forceClear ) renderer.clear();
 
 		if ( this.enabled === false ) {
 
-			renderer.render( scene, camera, renderTarget, forceClear );
+			renderer.render( scene, camera );
 			return;
 
 		}
@@ -415,7 +435,7 @@ THREE.OutlineEffect = function ( renderer, parameters ) {
 		renderer.autoClear = this.autoClear;
 
 		// 1. render normally
-		renderer.render( scene, camera, renderTarget, forceClear );
+		renderer.render( scene, camera );
 
 		// 2. render outline
 		var currentSceneAutoUpdate = scene.autoUpdate;
@@ -429,7 +449,7 @@ THREE.OutlineEffect = function ( renderer, parameters ) {
 
 		scene.traverse( setOutlineMaterial );
 
-		renderer.render( scene, camera, renderTarget );
+		renderer.render( scene, camera );
 
 		scene.traverse( restoreOriginalMaterial );
 

examples/js/effects/ParallaxBarrierEffect.js

@@ -87,8 +87,15 @@ THREE.ParallaxBarrierEffect = function ( renderer ) {
 
 		_stereo.update( camera );
 
-		renderer.render( scene, _stereo.cameraL, _renderTargetL, true );
+		renderer.setRenderTarget( _renderTargetL );
+		renderer.clear();
+		renderer.render( scene, _stereo.cameraL );
+
+		renderer.setRenderTarget( _renderTargetR );
+		renderer.clear();
 		renderer.render( scene, _stereo.cameraR, _renderTargetR, true );
+
+		renderer.setRenderTarget( null );
 		renderer.render( _scene, _camera );
 
 	};

examples/js/loaders/EquirectangularToCubeGenerator.js

@@ -152,6 +152,8 @@ THREE.EquirectangularToCubeGenerator = ( function () {
 
 		update: function ( renderer ) {
 
+			var currentRenderTarget = renderer.getRenderTarget();
+
 			boxMesh.material.uniforms.equirectangularMap.value = this.sourceTexture;
 
 			for ( var i = 0; i < 6; i ++ ) {
@@ -164,10 +166,14 @@ THREE.EquirectangularToCubeGenerator = ( function () {
 				camera.up.set( v.u[ 0 ], v.u[ 1 ], v.u[ 2 ] );
 				camera.lookAt( v.t[ 0 ], v.t[ 1 ], v.t[ 2 ] );
 
-				renderer.render( scene, camera, this.renderTarget, true );
+				renderer.setRenderTarget( this.renderTarget );
+				renderer.clear();
+				renderer.render( scene, camera );
 
 			}
 
+			renderer.setRenderTarget( currentRenderTarget );
+
 			return this.renderTarget.texture;
 
 		},

examples/js/nodes/inputs/RTTNode.js

@@ -72,7 +72,9 @@ RTTNode.prototype.updateFramesaveTo = function ( frame ) {
 
 	this.saveToCurrent = this.saveTo;
 
-	frame.renderer.render( this.saveToScene, this.camera, this.saveTo.renderTarget, this.saveTo.clear );
+	frame.renderer.setRenderTarget( this.saveTo.renderTarget );
+	if ( this.saveTo.clear ) frame.renderer.clear();
+	frame.renderer.render( this.saveToScene, this.camera );
 
 };
 
@@ -96,7 +98,9 @@ RTTNode.prototype.updateFrame = function ( frame ) {
 
 			}
 
-			frame.renderer.render( this.scene, this.camera, this.renderTarget, this.clear );
+			frame.renderer.setRenderTarget( this.renderTarget );
+			if ( this.clear ) frame.renderer.clear();
+			frame.renderer.render( this.scene, this.camera );
 
 		}
 

examples/js/nodes/postprocessing/NodePostProcessing.js

@@ -64,10 +64,12 @@ NodePostProcessing.prototype = {
 		frame.setRenderer( this.renderer )
 			.setRenderTexture( this.renderTarget.texture );
 
-		this.renderer.render( scene, camera, this.renderTarget );
+		this.renderer.setRenderTarget( this.renderTarget );
+		this.renderer.render( scene, camera );
 
 		frame.updateNode( this.material );
 
+		this.renderer.setRenderTarget( null );
 		this.renderer.render( this.scene, this.camera );
 
 	},