set correct error code for invalid linewidth

jingchan · Mar 14, 2016 · adf132f · adf132f
1 parent 097367e
commit adf132f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/webgl.js b/webgl.js
@@ -2728,6 +2728,10 @@ gl.isEnabled = function isEnabled (cap) {
 
 var _lineWidth = gl.lineWidth
 gl.lineWidth = function lineWidth (width) {
+  if (isNaN(width)) {
+    setError(this, gl.INVALID_VALUE)
+    return
+  }
   return _lineWidth.call(this, +width)
 }