WebGLRenderer: Added support for half-float textures (OES_texture_half_float).

docs/api/constants/Textures.html

@@ -49,6 +49,7 @@
 		THREE.UnsignedShortType<br />
 		THREE.IntType<br />
 		THREE.UnsignedIntType<br />
+		THREE.HalfFloatType<br />
 		THREE.FloatType
 		</div>
 

docs/api/renderers/WebGLRenderTarget.html

@@ -69,7 +69,7 @@
 
 		<h3>[property:number type]</h3>
 		<div>
-		The default is THREE.UnsignedByteType. Other valid types (as WebGL allows) are THREE.ByteType, THREE.ShortType, THREE.UnsignedShortType, THREE.IntType, THREE.UnsignedIntType, THREE.FloatType, THREE.UnsignedShort4444Type, THREE.UnsignedShort5551Type, and THREE.UnsignedShort565Type.
+		The default is THREE.UnsignedByteType. Other valid types (as WebGL allows) are THREE.ByteType, THREE.ShortType, THREE.UnsignedShortType, THREE.IntType, THREE.UnsignedIntType, THREE.HalfFloatType, THREE.FloatType, THREE.UnsignedShort4444Type, THREE.UnsignedShort5551Type, and THREE.UnsignedShort565Type.
 		</div>
 		
 		<h3>[property:boolean depthBuffer]</h3>

src/Three.js

@@ -149,6 +149,7 @@ THREE.UnsignedShortType = 1012;
 THREE.IntType = 1013;
 THREE.UnsignedIntType = 1014;
 THREE.FloatType = 1015;
+THREE.HalfFloatType = 1025;
 
 // Pixel types
 

src/renderers/WebGLRenderer.js

@@ -244,6 +244,8 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 	extensions.get( 'OES_texture_float' );
 	extensions.get( 'OES_texture_float_linear' );
+	extensions.get( 'OES_texture_half_float' );
+	extensions.get( 'OES_texture_half_float_linear' );
 	extensions.get( 'OES_standard_derivatives' );
 
 	if ( _logarithmicDepthBuffer ) {
@@ -429,6 +431,12 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 	};
 
+	this.supportsHalfFloatTextures = function () {
+
+		return extensions.get( 'OES_texture_half_float' );
+
+	};
+
 	this.supportsStandardDerivatives = function () {
 
 		return extensions.get( 'OES_standard_derivatives' );
@@ -5661,7 +5669,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		extension = extensions.get( 'EXT_texture_filter_anisotropic' );
 
-		if ( extension && texture.type !== THREE.FloatType ) {
+		if ( extension && texture.type !== THREE.FloatType && texture.type !== THREE.HalfFloatType ) {
 
 			if ( texture.anisotropy > 1 || texture.__oldAnisotropy ) {
 
@@ -6246,6 +6254,14 @@ THREE.WebGLRenderer = function ( parameters ) {
 		if ( p === THREE.UnsignedIntType ) return _gl.UNSIGNED_INT;
 		if ( p === THREE.FloatType ) return _gl.FLOAT;
 
+		extension = extensions.get( 'OES_texture_half_float' );
+
+		if ( extension !== null ) {
+
+			if ( p === THREE.HalfFloatType ) return extension.HALF_FLOAT_OES;
+
+		}
+
 		if ( p === THREE.AlphaFormat ) return _gl.ALPHA;
 		if ( p === THREE.RGBFormat ) return _gl.RGB;
 		if ( p === THREE.RGBAFormat ) return _gl.RGBA;