Merge pull request #20116 from WestLangley/dev_examples_alpha

Examples: Disable alpha buffer when not required

examples/webgl_fire.html

@@ -72,7 +72,7 @@
 				fire.position.z = - 2;
 				scene.add( fire );
 
-				renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
+				renderer = new THREE.WebGLRenderer( { antialias: true } );
 				renderer.setPixelRatio( window.devicePixelRatio );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 				renderer.autoClear = false;

examples/webgl_gpgpu_birds_gltf.html

@@ -374,7 +374,7 @@
 				dirLight.position.multiplyScalar( 30 );
 				scene.add( dirLight );
 
-				renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
+				renderer = new THREE.WebGLRenderer( { antialias: true } );
 				renderer.setPixelRatio( window.devicePixelRatio );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 				container.appendChild( renderer.domElement );

examples/webgl_lensflares.html

@@ -112,7 +112,7 @@
 
 				// renderer
 
-				renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
+				renderer = new THREE.WebGLRenderer( { antialias: true } );
 				renderer.setPixelRatio( window.devicePixelRatio );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 				renderer.outputEncoding = THREE.sRGBEncoding;

examples/webgl_loader_lwo.html

@@ -81,7 +81,7 @@
 
 				} );
 
-				renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
+				renderer = new THREE.WebGLRenderer( { antialias: true } );
 				renderer.setPixelRatio( window.devicePixelRatio );
 				renderer.setSize( window.innerWidth, window.innerHeight );
 				renderer.shadowMap.enabled = true;

examples/webgl_loader_nrrd.html

@@ -164,7 +164,7 @@
 				} );
 				// renderer
 
-				renderer = new THREE.WebGLRenderer( { alpha: true } );
+				renderer = new THREE.WebGLRenderer();
 				renderer.setPixelRatio( window.devicePixelRatio );
 				renderer.setSize( window.innerWidth, window.innerHeight );