public void Init(IntPtr windowHandle, Size size)
{
//CreateOpenGLContext((IntPtr)windowHandle);//done in Xamarin.Android
//InitGLEW();//done in Xamarin.Android
this.shapeMaterial.Init();
this.imageMaterial.Init();
this.glyphMaterial.Init();
// Other state
GL.Disable(GL.GL_CULL_FACE);
GL.Disable(GL.GL_DEPTH_TEST);
GL.DepthFunc(GL.GL_NEVER);
GL.Enable(GL.GL_SCISSOR_TEST);
Utility.CheckGLESError();
}
