Update WebGLRenderer.html

docs/api/renderers/WebGLRenderer.html

@@ -310,27 +310,27 @@
 		todo
 		</div>
 
-		<h3>.getPrecision() [page:todo]</h3>
+		<h3>.getPrecision() [page:string]</h3>
 		<div>
-		todo
+		This gets the precision used by the shaders. It returns "highp","mediump" or "lowp".
 		</div>
 
-		<h3>.setMaterialFaces([page:todo material]) [page:todo]</h3>
+		<h3>.setMaterialFaces([page:Material material])</h3>
 		<div>
-		material -- todo
+		material -- The [page:Material material] with side that shouldn't be culled.  
 		</div>
 		<div>
-		todo
+		This sets which side needs to be culled in the webgl renderer.
 		</div>
 
-		<h3>.supportsStandardDerivatives() [page:todo]</h3>
+		<h3>.supportsStandardDerivatives() [page:boolean]</h3>
 		<div>
-		todo
+		This method returns true if the webgl implementation supports standard derivatives.
 		</div>
 
 		<h3>.supportsFloatTextures() [page:boolean]</h3>
 		<div>
-		todo
+		This method returns true if the webgl implementation supports float textures.
 		</div>
 
 		<h3>.clearTarget([page:WebGLRenderTarget renderTarget], [page:boolean color], [page:boolean depth], [page:boolean stencil]) </h3>