Added "generateMipmaps" flag to Texture and RenderTarget.

Plus added "onUpdate" callback handling also for cube textures.

build/custom/ThreeCanvas.js

@@ -116,8 +116,8 @@ THREE.MeshPhongMaterial.prototype.constructor=THREE.MeshPhongMaterial;THREE.Mesh
 THREE.MeshNormalMaterial=function(a){THREE.Material.call(this,a);a=a||{};this.shading=a.shading?a.shading:THREE.FlatShading;this.wireframe=a.wireframe?a.wireframe:!1;this.wireframeLinewidth=a.wireframeLinewidth?a.wireframeLinewidth:1};THREE.MeshNormalMaterial.prototype=new THREE.Material;THREE.MeshNormalMaterial.prototype.constructor=THREE.MeshNormalMaterial;THREE.MeshFaceMaterial=function(){};
 THREE.ParticleBasicMaterial=function(a){THREE.Material.call(this,a);a=a||{};this.color=void 0!==a.color?new THREE.Color(a.color):new THREE.Color(16777215);this.map=void 0!==a.map?a.map:null;this.size=void 0!==a.size?a.size:1;this.sizeAttenuation=void 0!==a.sizeAttenuation?a.sizeAttenuation:!0;this.vertexColors=void 0!==a.vertexColors?a.vertexColors:!1;this.fog=void 0!==a.fog?a.fog:!0};THREE.ParticleBasicMaterial.prototype=new THREE.Material;THREE.ParticleBasicMaterial.prototype.constructor=THREE.ParticleBasicMaterial;
 THREE.ParticleCanvasMaterial=function(a){THREE.Material.call(this,a);a=a||{};this.color=void 0!==a.color?new THREE.Color(a.color):new THREE.Color(16777215);this.program=void 0!==a.program?a.program:function(){}};THREE.ParticleCanvasMaterial.prototype=new THREE.Material;THREE.ParticleCanvasMaterial.prototype.constructor=THREE.ParticleCanvasMaterial;
-THREE.Texture=function(a,b,c,d,e,f,g,i){this.id=THREE.TextureCount++;this.image=a;this.mapping=void 0!==b?b:new THREE.UVMapping;this.wrapS=void 0!==c?c:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==d?d:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==e?e:THREE.LinearFilter;this.minFilter=void 0!==f?f:THREE.LinearMipMapLinearFilter;this.format=void 0!==g?g:THREE.RGBAFormat;this.type=void 0!==i?i:THREE.UnsignedByteType;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.needsUpdate=
-!1;this.onUpdate=null};THREE.Texture.prototype={constructor:THREE.Texture,clone:function(){var a=new THREE.Texture(this.image,this.mapping,this.wrapS,this.wrapT,this.magFilter,this.minFilter,this.format,this.type);a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a}};THREE.TextureCount=0;THREE.MultiplyOperation=0;THREE.MixOperation=1;THREE.CubeReflectionMapping=function(){};THREE.CubeRefractionMapping=function(){};THREE.LatitudeReflectionMapping=function(){};
+THREE.Texture=function(a,b,c,d,e,f,g,i){this.id=THREE.TextureCount++;this.image=a;this.mapping=void 0!==b?b:new THREE.UVMapping;this.wrapS=void 0!==c?c:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==d?d:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==e?e:THREE.LinearFilter;this.minFilter=void 0!==f?f:THREE.LinearMipMapLinearFilter;this.format=void 0!==g?g:THREE.RGBAFormat;this.type=void 0!==i?i:THREE.UnsignedByteType;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.generateMipmaps=
+!0;this.needsUpdate=!1;this.onUpdate=null};THREE.Texture.prototype={constructor:THREE.Texture,clone:function(){var a=new THREE.Texture(this.image,this.mapping,this.wrapS,this.wrapT,this.magFilter,this.minFilter,this.format,this.type);a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a}};THREE.TextureCount=0;THREE.MultiplyOperation=0;THREE.MixOperation=1;THREE.CubeReflectionMapping=function(){};THREE.CubeRefractionMapping=function(){};THREE.LatitudeReflectionMapping=function(){};
 THREE.LatitudeRefractionMapping=function(){};THREE.SphericalReflectionMapping=function(){};THREE.SphericalRefractionMapping=function(){};THREE.UVMapping=function(){};THREE.RepeatWrapping=0;THREE.ClampToEdgeWrapping=1;THREE.MirroredRepeatWrapping=2;THREE.NearestFilter=3;THREE.NearestMipMapNearestFilter=4;THREE.NearestMipMapLinearFilter=5;THREE.LinearFilter=6;THREE.LinearMipMapNearestFilter=7;THREE.LinearMipMapLinearFilter=8;THREE.ByteType=9;THREE.UnsignedByteType=10;THREE.ShortType=11;
 THREE.UnsignedShortType=12;THREE.IntType=13;THREE.UnsignedIntType=14;THREE.FloatType=15;THREE.AlphaFormat=16;THREE.RGBFormat=17;THREE.RGBAFormat=18;THREE.LuminanceFormat=19;THREE.LuminanceAlphaFormat=20;THREE.Particle=function(a){THREE.Object3D.call(this);this.material=a};THREE.Particle.prototype=new THREE.Object3D;THREE.Particle.prototype.constructor=THREE.Particle;
 THREE.Line=function(a,b,c){THREE.Object3D.call(this);this.geometry=a;this.material=b;this.type=void 0!==c?c:THREE.LineStrip;this.geometry&&(this.geometry.boundingSphere||this.geometry.computeBoundingSphere())};THREE.LineStrip=0;THREE.LinePieces=1;THREE.Line.prototype=new THREE.Object3D;THREE.Line.prototype.constructor=THREE.Line;

build/custom/ThreeDOM.js

@@ -90,8 +90,8 @@ this.far)};THREE.Light=function(a){THREE.Object3D.call(this);this.color=new THRE
 THREE.Material=function(a){a=a||{};this.name="";this.id=THREE.MaterialCount++;this.opacity=void 0!==a.opacity?a.opacity:1;this.transparent=void 0!==a.transparent?a.transparent:!1;this.blending=void 0!==a.blending?a.blending:THREE.NormalBlending;this.depthTest=void 0!==a.depthTest?a.depthTest:!0;this.depthWrite=void 0!==a.depthWrite?a.depthWrite:!0;this.polygonOffset=void 0!==a.polygonOffset?a.polygonOffset:!1;this.polygonOffsetFactor=void 0!==a.polygonOffsetFactor?a.polygonOffsetFactor:0;this.polygonOffsetUnits=
 void 0!==a.polygonOffsetUnits?a.polygonOffsetUnits:0;this.alphaTest=void 0!==a.alphaTest?a.alphaTest:0;this.overdraw=void 0!==a.overdraw?a.overdraw:!1};THREE.MaterialCount=0;THREE.NoShading=0;THREE.FlatShading=1;THREE.SmoothShading=2;THREE.NoColors=0;THREE.FaceColors=1;THREE.VertexColors=2;THREE.NormalBlending=0;THREE.AdditiveBlending=1;THREE.SubtractiveBlending=2;THREE.MultiplyBlending=3;THREE.AdditiveAlphaBlending=4;
 THREE.ParticleDOMMaterial=function(a){THREE.Material.call(this);this.domElement=a};
-THREE.Texture=function(a,b,c,d,e,f,g,h){this.id=THREE.TextureCount++;this.image=a;this.mapping=void 0!==b?b:new THREE.UVMapping;this.wrapS=void 0!==c?c:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==d?d:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==e?e:THREE.LinearFilter;this.minFilter=void 0!==f?f:THREE.LinearMipMapLinearFilter;this.format=void 0!==g?g:THREE.RGBAFormat;this.type=void 0!==h?h:THREE.UnsignedByteType;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.needsUpdate=
-!1;this.onUpdate=null};THREE.Texture.prototype={constructor:THREE.Texture,clone:function(){var a=new THREE.Texture(this.image,this.mapping,this.wrapS,this.wrapT,this.magFilter,this.minFilter,this.format,this.type);a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a}};THREE.TextureCount=0;THREE.MultiplyOperation=0;THREE.MixOperation=1;THREE.CubeReflectionMapping=function(){};THREE.CubeRefractionMapping=function(){};THREE.LatitudeReflectionMapping=function(){};
+THREE.Texture=function(a,b,c,d,e,f,g,h){this.id=THREE.TextureCount++;this.image=a;this.mapping=void 0!==b?b:new THREE.UVMapping;this.wrapS=void 0!==c?c:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==d?d:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==e?e:THREE.LinearFilter;this.minFilter=void 0!==f?f:THREE.LinearMipMapLinearFilter;this.format=void 0!==g?g:THREE.RGBAFormat;this.type=void 0!==h?h:THREE.UnsignedByteType;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.generateMipmaps=
+!0;this.needsUpdate=!1;this.onUpdate=null};THREE.Texture.prototype={constructor:THREE.Texture,clone:function(){var a=new THREE.Texture(this.image,this.mapping,this.wrapS,this.wrapT,this.magFilter,this.minFilter,this.format,this.type);a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a}};THREE.TextureCount=0;THREE.MultiplyOperation=0;THREE.MixOperation=1;THREE.CubeReflectionMapping=function(){};THREE.CubeRefractionMapping=function(){};THREE.LatitudeReflectionMapping=function(){};
 THREE.LatitudeRefractionMapping=function(){};THREE.SphericalReflectionMapping=function(){};THREE.SphericalRefractionMapping=function(){};THREE.UVMapping=function(){};THREE.RepeatWrapping=0;THREE.ClampToEdgeWrapping=1;THREE.MirroredRepeatWrapping=2;THREE.NearestFilter=3;THREE.NearestMipMapNearestFilter=4;THREE.NearestMipMapLinearFilter=5;THREE.LinearFilter=6;THREE.LinearMipMapNearestFilter=7;THREE.LinearMipMapLinearFilter=8;THREE.ByteType=9;THREE.UnsignedByteType=10;THREE.ShortType=11;
 THREE.UnsignedShortType=12;THREE.IntType=13;THREE.UnsignedIntType=14;THREE.FloatType=15;THREE.AlphaFormat=16;THREE.RGBFormat=17;THREE.RGBAFormat=18;THREE.LuminanceFormat=19;THREE.LuminanceAlphaFormat=20;THREE.Particle=function(a){THREE.Object3D.call(this);this.material=a};THREE.Particle.prototype=new THREE.Object3D;THREE.Particle.prototype.constructor=THREE.Particle;
 THREE.Mesh=function(a,b){THREE.Object3D.call(this);this.geometry=a;this.material=b;if(b instanceof Array)console.warn("DEPRECATED: Mesh material can no longer be an Array. Using material at index 0..."),this.material=b[0];if(this.geometry&&(this.geometry.boundingSphere||this.geometry.computeBoundingSphere(),this.boundRadius=a.boundingSphere.radius,this.geometry.morphTargets.length)){this.morphTargetBase=-1;this.morphTargetForcedOrder=[];this.morphTargetInfluences=[];this.morphTargetDictionary={};

build/custom/ThreeSVG.js

@@ -115,8 +115,8 @@ THREE.MeshPhongMaterial=function(a){THREE.Material.call(this,a);a=a||{};this.col
 THREE.MeshPhongMaterial.prototype.constructor=THREE.MeshPhongMaterial;THREE.MeshDepthMaterial=function(a){THREE.Material.call(this,a);a=a||{};this.shading=void 0!==a.shading?a.shading:THREE.SmoothShading;this.wireframe=void 0!==a.wireframe?a.wireframe:!1;this.wireframeLinewidth=void 0!==a.wireframeLinewidth?a.wireframeLinewidth:1};THREE.MeshDepthMaterial.prototype=new THREE.Material;THREE.MeshDepthMaterial.prototype.constructor=THREE.MeshDepthMaterial;
 THREE.MeshNormalMaterial=function(a){THREE.Material.call(this,a);a=a||{};this.shading=a.shading?a.shading:THREE.FlatShading;this.wireframe=a.wireframe?a.wireframe:!1;this.wireframeLinewidth=a.wireframeLinewidth?a.wireframeLinewidth:1};THREE.MeshNormalMaterial.prototype=new THREE.Material;THREE.MeshNormalMaterial.prototype.constructor=THREE.MeshNormalMaterial;THREE.MeshFaceMaterial=function(){};
 THREE.ParticleBasicMaterial=function(a){THREE.Material.call(this,a);a=a||{};this.color=void 0!==a.color?new THREE.Color(a.color):new THREE.Color(16777215);this.map=void 0!==a.map?a.map:null;this.size=void 0!==a.size?a.size:1;this.sizeAttenuation=void 0!==a.sizeAttenuation?a.sizeAttenuation:!0;this.vertexColors=void 0!==a.vertexColors?a.vertexColors:!1;this.fog=void 0!==a.fog?a.fog:!0};THREE.ParticleBasicMaterial.prototype=new THREE.Material;THREE.ParticleBasicMaterial.prototype.constructor=THREE.ParticleBasicMaterial;
-THREE.Texture=function(a,b,c,d,e,f,g,h){this.id=THREE.TextureCount++;this.image=a;this.mapping=void 0!==b?b:new THREE.UVMapping;this.wrapS=void 0!==c?c:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==d?d:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==e?e:THREE.LinearFilter;this.minFilter=void 0!==f?f:THREE.LinearMipMapLinearFilter;this.format=void 0!==g?g:THREE.RGBAFormat;this.type=void 0!==h?h:THREE.UnsignedByteType;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.needsUpdate=
-!1;this.onUpdate=null};THREE.Texture.prototype={constructor:THREE.Texture,clone:function(){var a=new THREE.Texture(this.image,this.mapping,this.wrapS,this.wrapT,this.magFilter,this.minFilter,this.format,this.type);a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a}};THREE.TextureCount=0;THREE.MultiplyOperation=0;THREE.MixOperation=1;THREE.CubeReflectionMapping=function(){};THREE.CubeRefractionMapping=function(){};THREE.LatitudeReflectionMapping=function(){};
+THREE.Texture=function(a,b,c,d,e,f,g,h){this.id=THREE.TextureCount++;this.image=a;this.mapping=void 0!==b?b:new THREE.UVMapping;this.wrapS=void 0!==c?c:THREE.ClampToEdgeWrapping;this.wrapT=void 0!==d?d:THREE.ClampToEdgeWrapping;this.magFilter=void 0!==e?e:THREE.LinearFilter;this.minFilter=void 0!==f?f:THREE.LinearMipMapLinearFilter;this.format=void 0!==g?g:THREE.RGBAFormat;this.type=void 0!==h?h:THREE.UnsignedByteType;this.offset=new THREE.Vector2(0,0);this.repeat=new THREE.Vector2(1,1);this.generateMipmaps=
+!0;this.needsUpdate=!1;this.onUpdate=null};THREE.Texture.prototype={constructor:THREE.Texture,clone:function(){var a=new THREE.Texture(this.image,this.mapping,this.wrapS,this.wrapT,this.magFilter,this.minFilter,this.format,this.type);a.offset.copy(this.offset);a.repeat.copy(this.repeat);return a}};THREE.TextureCount=0;THREE.MultiplyOperation=0;THREE.MixOperation=1;THREE.CubeReflectionMapping=function(){};THREE.CubeRefractionMapping=function(){};THREE.LatitudeReflectionMapping=function(){};
 THREE.LatitudeRefractionMapping=function(){};THREE.SphericalReflectionMapping=function(){};THREE.SphericalRefractionMapping=function(){};THREE.UVMapping=function(){};THREE.RepeatWrapping=0;THREE.ClampToEdgeWrapping=1;THREE.MirroredRepeatWrapping=2;THREE.NearestFilter=3;THREE.NearestMipMapNearestFilter=4;THREE.NearestMipMapLinearFilter=5;THREE.LinearFilter=6;THREE.LinearMipMapNearestFilter=7;THREE.LinearMipMapLinearFilter=8;THREE.ByteType=9;THREE.UnsignedByteType=10;THREE.ShortType=11;
 THREE.UnsignedShortType=12;THREE.IntType=13;THREE.UnsignedIntType=14;THREE.FloatType=15;THREE.AlphaFormat=16;THREE.RGBFormat=17;THREE.RGBAFormat=18;THREE.LuminanceFormat=19;THREE.LuminanceAlphaFormat=20;THREE.Particle=function(a){THREE.Object3D.call(this);this.material=a};THREE.Particle.prototype=new THREE.Object3D;THREE.Particle.prototype.constructor=THREE.Particle;
 THREE.Line=function(a,b,c){THREE.Object3D.call(this);this.geometry=a;this.material=b;this.type=void 0!==c?c:THREE.LineStrip;this.geometry&&(this.geometry.boundingSphere||this.geometry.computeBoundingSphere())};THREE.LineStrip=0;THREE.LinePieces=1;THREE.Line.prototype=new THREE.Object3D;THREE.Line.prototype.constructor=THREE.Line;

src/renderers/WebGLRenderTarget.js

@@ -24,6 +24,8 @@ THREE.WebGLRenderTarget = function ( width, height, options ) {
 	this.depthBuffer = options.depthBuffer !== undefined ? options.depthBuffer : true;
 	this.stencilBuffer = options.stencilBuffer !== undefined ? options.stencilBuffer : true;
 
+	this.generateMipmaps = true;
+
 };
 
 THREE.WebGLRenderTarget.prototype.clone = function() {

src/renderers/WebGLRenderer.js

@@ -3272,7 +3272,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 		// Generate mipmap if we're using any kind of mipmap filtering
 
-		if ( renderTarget && renderTarget.minFilter !== THREE.NearestFilter && renderTarget.minFilter !== THREE.LinearFilter ) {
+		if ( renderTarget && renderTarget.generateMipmaps && renderTarget.minFilter !== THREE.NearestFilter && renderTarget.minFilter !== THREE.LinearFilter ) {
 
 			updateRenderTargetMipmap( renderTarget );
 
@@ -5299,9 +5299,9 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 	};
 
-	function setTextureParameters ( textureType, texture, image ) {
+	function setTextureParameters ( textureType, texture, isImagePowerOfTwo ) {
 
-		if ( isPowerOfTwo( image.width ) && isPowerOfTwo( image.height ) ) {
+		if ( isImagePowerOfTwo ) {
 
 			_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, paramThreeToGL( texture.wrapS ) );
 			_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_T, paramThreeToGL( texture.wrapT ) );
@@ -5309,8 +5309,6 @@ THREE.WebGLRenderer = function ( parameters ) {
 			_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, paramThreeToGL( texture.magFilter ) );
 			_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, paramThreeToGL( texture.minFilter ) );
 
-			return true;
-
 		} else {
 
 			_gl.texParameteri( textureType, _gl.TEXTURE_WRAP_S, _gl.CLAMP_TO_EDGE );
@@ -5319,8 +5317,6 @@ THREE.WebGLRenderer = function ( parameters ) {
 			_gl.texParameteri( textureType, _gl.TEXTURE_MAG_FILTER, filterFallback( texture.magFilter ) );
 			_gl.texParameteri( textureType, _gl.TEXTURE_MIN_FILTER, filterFallback( texture.minFilter ) );
 
-			return false;
-
 		}
 
 	};
@@ -5341,13 +5337,16 @@ THREE.WebGLRenderer = function ( parameters ) {
 			_gl.activeTexture( _gl.TEXTURE0 + slot );
 			_gl.bindTexture( _gl.TEXTURE_2D, texture.__webglTexture );
 
-			var needsMipMaps = setTextureParameters( _gl.TEXTURE_2D, texture, texture.image ),
+			var image = texture.image,
+			isImagePowerOfTwo = isPowerOfTwo( image.width ) && isPowerOfTwo( image.height ),
 			glFormat = paramThreeToGL( texture.format ),
 			glType = paramThreeToGL( texture.type );
 
+			setTextureParameters( _gl.TEXTURE_2D, texture, isImagePowerOfTwo );
+
 			if ( texture instanceof THREE.DataTexture ) {
 
-				_gl.texImage2D( _gl.TEXTURE_2D, 0, glFormat, texture.image.width, texture.image.height, 0, glFormat, glType, texture.image.data );
+				_gl.texImage2D( _gl.TEXTURE_2D, 0, glFormat, image.width, image.height, 0, glFormat, glType, image.data );
 
 			} else {
 
@@ -5355,11 +5354,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 			}
 
-			if ( needsMipMaps ) {
-
-				_gl.generateMipmap( _gl.TEXTURE_2D );
-
-			}
+			if ( texture.generateMipmaps && isImagePowerOfTwo ) _gl.generateMipmap( _gl.TEXTURE_2D );
 
 			texture.needsUpdate = false;
 
@@ -5431,24 +5426,25 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 				}
 
-				var needsMipMaps = setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, cubeImage[ 0 ] ),
+				var image = cubeImage[ 0 ],
+				isImagePowerOfTwo = isPowerOfTwo( image.width ) && isPowerOfTwo( image.height ),
 				glFormat = paramThreeToGL( texture.format ),
 				glType = paramThreeToGL( texture.type );
 
+				setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture, isImagePowerOfTwo );
+
 				for ( var i = 0; i < 6; i ++ ) {
 
 					_gl.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glFormat, glFormat, glType, cubeImage[ i ] );
 
 				}
 
-				if ( needsMipMaps ) {
-
-					_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );
-
-				}
+				if ( texture.generateMipmaps && isImagePowerOfTwo )	_gl.generateMipmap( _gl.TEXTURE_CUBE_MAP );
 
 				texture.needsUpdate = false;
 
+				if ( texture.onUpdated ) texture.onUpdated();
+
 			} else {
 
 				_gl.activeTexture( _gl.TEXTURE0 + slot );
@@ -5517,7 +5513,8 @@ THREE.WebGLRenderer = function ( parameters ) {
 
 			// Setup texture, create render and frame buffers
 
-			var glFormat = paramThreeToGL( renderTarget.format ),
+			var isTargetPowerOfTwo = isPowerOfTwo( renderTarget.width ) && isPowerOfTwo( renderTarget.height ),
+				glFormat = paramThreeToGL( renderTarget.format ),
 				glType = paramThreeToGL( renderTarget.type );
 
 			if ( isCube ) {
@@ -5526,7 +5523,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 				renderTarget.__webglRenderbuffer = [];
 
 				_gl.bindTexture( _gl.TEXTURE_CUBE_MAP, renderTarget.__webglTexture );
-				setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget, renderTarget );
+				setTextureParameters( _gl.TEXTURE_CUBE_MAP, renderTarget, isTargetPowerOfTwo );
 
 				for ( var i = 0; i < 6; i ++ ) {
 
@@ -5546,7 +5543,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 				renderTarget.__webglRenderbuffer = _gl.createRenderbuffer();
 
 				_gl.bindTexture( _gl.TEXTURE_2D, renderTarget.__webglTexture );
-				setTextureParameters( _gl.TEXTURE_2D, renderTarget, renderTarget );
+				setTextureParameters( _gl.TEXTURE_2D, renderTarget, isTargetPowerOfTwo );
 
 				_gl.texImage2D( _gl.TEXTURE_2D, 0, glFormat, renderTarget.width, renderTarget.height, 0, glFormat, glType, null );
 

src/textures/Texture.js

@@ -24,6 +24,8 @@ THREE.Texture = function ( image, mapping, wrapS, wrapT, magFilter, minFilter, f
 	this.offset = new THREE.Vector2( 0, 0 );
 	this.repeat = new THREE.Vector2( 1, 1 );
 
+	this.generateMipmaps = true;
+
 	this.needsUpdate = false;
 	this.onUpdate = null;