Fixed a lot of bugs with render surfaces and bitmaps.

samples/o3d-webgl/primitive.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 106 matching lines @@
 
 
 
 /**
  * Binds the vertex and index streams required to draw the shape.
  */
 o3d.Primitive.prototype.render = function() {
   var streamBank = this.streamBank;
   var indexBuffer = this.indexBuffer;
 
+  var enabled_attribs = [];
+
   for (var semantic = 0;
        semantic < streamBank.vertexStreams.length;
        ++semantic) {
     var streams = streamBank.vertexStreams[semantic];
     if (streams && streams.length) {
       for (var semantic_index = 0;
            semantic_index < streams.length;
            ++semantic_index) {
         var gl_index = semantic + semantic_index - 1;
         var stream = streams[semantic_index];
         var field = stream.field;
         var buffer = field.buffer;
 
         this.gl.bindBuffer(this.gl.ARRAY_BUFFER, buffer.gl_buffer_);
         this.gl.enableVertexAttribArray(gl_index);
+        enabled_attribs.push(gl_index);
 
         // TODO(petersont): Change that hard-coded 4 down there.
         this.gl.vertexAttribPointer(
             gl_index, field.numComponents, this.gl.FLOAT, false,
             buffer.totalComponents * 4, field.offset_ * 4);
       }
     }
   }
 
   // TODO(petersont): Change the hard-coded 3 and triangles too.
   this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER, indexBuffer.gl_buffer_);
   this.gl.drawElements(this.gl.TRIANGLES,
                        this.numberPrimitives * 3,
                        this.gl.UNSIGNED_SHORT,
                        0);
+
+  for (var i = 0; i < enabled_attribs.length; ++i) {
+    this.gl.disableVertexAttribArray(enabled_attribs[i]);
+  }
 };