From 9ba018fe4da328fb8b018682e6340fc9d85e480e Mon Sep 17 00:00:00 2001
From: David Humphrey <david.humphrey@senecac.on.ca>
Date: Tue, 8 Mar 2011 23:23:29 -0500
Subject: [PATCH 1/2] Improve minification of global Math.

---
 webgl-2d.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/webgl-2d.js b/webgl-2d.js
index e922821..48122b8 100644
--- a/webgl-2d.js
+++ b/webgl-2d.js
@@ -42,7 +42,7 @@
  *
  */
 
-(function(undefined) {
+(function(Math, undefined) {
 
   // Vector & Matrix libraries from CubicVR.js
   var M_PI = 3.1415926535897932384626433832795028841968;
@@ -757,4 +757,4 @@
     };
   };
 
-}());
+}(Math));

From e09ef5099cbbd3f0e32b8555c398001c5d6c6e24 Mon Sep 17 00:00:00 2001
From: David Humphrey <david.humphrey@senecac.on.ca>
Date: Tue, 8 Mar 2011 23:54:15 -0500
Subject: [PATCH 2/2] Deal with canvas width=height=0 and webgl failure.

---
 webgl-2d.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/webgl-2d.js b/webgl-2d.js
index 48122b8..5f13c40 100644
--- a/webgl-2d.js
+++ b/webgl-2d.js
@@ -245,7 +245,8 @@
     // Override getContext function with "webgl-2d" enabled version
     canvas.getContext = (function(gl2d) { 
       return function(context) {
-        if (gl2d.options.force || context === "webgl-2d") {
+        if (gl2d.options.force || context === "webgl-2d" &&
+            !(canvas.width === 0 || canvas.height ===0) ) {
           if (gl2d.gl) { return gl2d.gl; };
 
           var gl = gl2d.gl = gl2d.canvas.$getContext("experimental-webgl");