Added WebGLIndexedBufferRenderer

src/renderers/webgl/WebGLIndexedBufferRenderer.js

@@ -0,0 +1,77 @@
+/**
+* @author mrdoob / http://mrdoob.com/
+*/
+
+THREE.WebGLIndexedBufferRenderer = function ( _gl, extensions, _infoRender ) {
+
+	var mode;
+
+	function setMode( value ) {
+
+		mode = value;
+
+	}
+
+	var type, size;
+
+	function setIndex( index ) {
+
+		if ( index.array instanceof Uint32Array && extensions.get( 'OES_element_index_uint' ) ) {
+
+			type = _gl.UNSIGNED_INT;
+			size = 4;
+
+		} else {
+
+			type = _gl.UNSIGNED_SHORT;
+			size = 2;
+
+		}
+
+	}
+
+	function render( start, count ) {
+
+		_gl.drawElements( mode, count, type, start * size );
+
+		_infoRender.calls ++;
+		_infoRender.vertices += count;
+		if ( mode === _gl.TRIANGLES ) _infoRender.faces += count / 3;
+
+	}
+
+	function renderGroups( groups ) {
+
+		for ( var i = 0, il = groups.length; i < il; i ++ ) {
+
+			var group = groups[ i ];
+			render( group.start, group.count );
+
+		}
+
+	}
+
+	function renderInstances( geometry ) {
+
+		var extension = extensions.get( 'ANGLE_instanced_arrays' );
+
+		if ( extension === null ) {
+
+			console.error( 'THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.' );
+			return;
+
+		}
+
+		var index = geometry.attributes.index;
+
+		extension.drawElementsInstancedANGLE( mode, index.array.length, type, 0, geometry.maxInstancedCount );
+
+	}
+
+	this.setMode = setMode;
+	this.setIndex = setIndex;
+	this.render = render;
+	this.renderGroups = renderGroups;
+	this.renderInstances = renderInstances;
+
+};

utils/build/includes/common.json

@@ -158,6 +158,7 @@
 	"src/renderers/WebGLRenderTarget.js",
 	"src/renderers/WebGLRenderTargetCube.js",
 	"src/renderers/webgl/WebGLBufferRenderer.js",
+	"src/renderers/webgl/WebGLIndexedBufferRenderer.js",
 	"src/renderers/webgl/WebGLExtensions.js",
 	"src/renderers/webgl/WebGLGeometries.js",
 	"src/renderers/webgl/WebGLObjects.js",