Updated builds.

build/three.js

@@ -9315,6 +9315,9 @@ THREE.BufferGeometry.prototype = {
 
 				box.center( center );
 
+				// hoping to find a boundingSphere with a radius smaller than the
+				// boundingSphere of the boundingBox:  sqrt(3) smaller in the best case
+
 				var maxRadiusSq = 0;
 
 				for ( var i = 0, il = positions.length; i < il; i += 3 ) {
@@ -16886,7 +16889,13 @@ THREE.CanvasRenderer = function ( parameters ) {
 
 	this.setViewport = function ( x, y, width, height ) {
 
-		_context.setTransform( width / _canvasWidth, 0, 0, - height / _canvasHeight, x, _canvasHeight - y );
+		var viewportX = x * this.devicePixelRatio;
+		var viewportY = y * this.devicePixelRatio;
+
+		var viewportWidth = width * this.devicePixelRatio;
+		var viewportHeight = height * this.devicePixelRatio;
+
+		_context.setTransform( viewportWidth / _canvasWidth, 0, 0, - viewportHeight / _canvasHeight, viewportX, _canvasHeight - viewportY );
 		_context.translate( _canvasWidthHalf, _canvasHeightHalf );
 
 	};
@@ -31017,6 +31026,7 @@ THREE.Shape.Utils = {
 
 			}
 
+			var minShapeIndex = 0;
 			var counter = indepHoles.length * 2;
 			while ( indepHoles.length > 0 ) {
 				counter --;
@@ -31027,7 +31037,7 @@ THREE.Shape.Utils = {
 
 				// search for shape-vertex and hole-vertex,
 				// which can be connected without intersections
-				for ( shapeIndex = 0; shapeIndex < shape.length; shapeIndex++ ) {
+				for ( shapeIndex = minShapeIndex; shapeIndex < shape.length; shapeIndex++ ) {
 
 					shapePt = shape[ shapeIndex ];
 					holeIndex	= -1;
@@ -31057,6 +31067,8 @@ THREE.Shape.Utils = {
 
 							shape = tmpShape1.concat( tmpHole1 ).concat( tmpHole2 ).concat( tmpShape2 );
 
+							minShapeIndex = shapeIndex;
+
 							// Debug only, to show the selected cuts
 							// glob_CutLines.push( [ shapePt, holePt ] );