- SupportedBrowser(SupportedBrowser.CHROME)
 - SupportedBrowser(SupportedBrowser.FIREFOX)
 - Experimental()
 
Returns a new Web GL context for this canvas.
Other resources
- 
WebGL fundamentals from HTML5Rocks.
 - WebGL homepage.
 
Source
@SupportedBrowser(SupportedBrowser.CHROME)
@SupportedBrowser(SupportedBrowser.FIREFOX)
@Experimental()
gl.RenderingContext getContext3d({alpha: true, depth: true, stencil: false,
  antialias: true, premultipliedAlpha: true, preserveDrawingBuffer: false}) {
  var options = {
    'alpha': alpha,
    'depth': depth,
    'stencil': stencil,
    'antialias': antialias,
    'premultipliedAlpha': premultipliedAlpha,
    'preserveDrawingBuffer': preserveDrawingBuffer,
  };
  var context = getContext('webgl', options);
  if (context == null) {
    context = getContext('experimental-webgl', options);
  }
  return context;
}