Fixed a lot of bugs with render surfaces and bitmaps.

samples/o3d-webgl/client.js

 /*
  * Copyright 2010, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 461 matching lines @@
 
 /**
  * Whether content is displayed in full-screen mode or in a plugin window.  The
  * default is false [not full-screen].
  * @type {boolean}
  */
 o3d.Client.prototype.fullscreen = false;
 
 
 /**
+ * Whether content is displayed in full-screen mode or in a plugin window.  The
+ * default is false [not full-screen].
+ * @type {!Array<function(!o3d.Event): void>}
+ */
+o3d.Client.prototype.event_callbacks_ = [];
+
+
+/**
  * Returns the width of the current drawing area [plugin or full-screen] in
  * pixels.
  */
 o3d.Client.prototype.__defineGetter__('width',
     function() {
       return this.gl.canvas.width;
     }
 );
 
 o3d.Client.prototype.__defineSetter__('width',
@@ skipping 19 matching lines @@
     }
 );
 
 
 /**
  * Initializes this client using the canvas.
  * @param {Canvas}
  */
 o3d.Client.prototype.initWithCanvas = function(canvas) {
   var gl;
-  try {gl = canvas.getContext("experimental-webgl") } catch(e) { }
+
+  var standard_attributes = {
+    alpha : true,
+    depth : true,
+    stencil : true,
+    antialias : true,
+    premultipliedAlpha : true
+  };
+
+  try {gl = canvas.getContext("experimental-webgl", standard_attributes) } catch(e) { }
   if (!gl)
       try {gl = canvas.getContext("moz-webgl") } catch(e) { }
   if (!gl) {
       alert("No WebGL context found");
       return null;
   }
 
-  canvas.client.gl = gl;
+  this.gl = gl;
+
   gl.client = this;
   gl.displayInfo = {width: canvas.width,
                     height: canvas.height};
 };
 
 
 /**
  * Sets the per frame render callback.
  * 
  * Note: The callback will not be called recursively. When your callback is
@@ skipping 93 matching lines @@
  * Sets a callback for a given event type.
  * types.
  * There can be only one callback for a given event type at a time; setting a
  * new one deletes the old one.
  * 
  * @param {string} type Type of event to set callback for.
  * @param {!o3d.EventCallback} handler Function to call on event.
  */
 o3d.Client.prototype.setEventCallback =
     function(type, handler) {
-  this.eventCallbacks[type] = handler;
+  this.event_callbacks_[type] = handler;
 };
 
 
 /**
  * Removes the previously-registered callback for an event of the given type.
  * @param {string} type Type of event to clear callback for.
  */
 o3d.Client.prototype.clearEventCallback =
     function(type) {
-  this.eventCallbacks[type] = null;
+  this.event_callbacks_[type] = null;
 };
 
 
 /**
  * Sets the texture to use when a Texture or Sampler is missing while
  * rendering. The default is a red texture with a yellow no symbol.
  * <span style="color:yellow; background-color: red;">&Oslash;.
  * If you set it to null you'll get an error if you try to render something
  * that is missing a needed Texture, Sampler or ParamSampler.
  * 
@@ skipping 196 matching lines @@
 
 
 
 /**
  * The canvas associated with this client.
  * @type {Element}
  */
 o3d.Client.prototype.canvas = null;