public void CreateGraphicsContext(int deviceWidth, int deviceHeight)
{
GraphicsDeviceManager m_Manager = new GraphicsDeviceManager(game);
m_Manager.PreferredBackBufferWidth = deviceWidth;
m_Manager.PreferredBackBufferHeight = deviceHeight;
if (m_XNA_GraphicsDevice != null)
{
return(false);
}
//create an XNA graphics device
m_XNA_GraphicsDevice = m_Manager.GraphicsDevice();
//check if graphics device was created
Debug.Assert(m_XNA_GraphicsDevice != null, "XNA Graphics Device did not Initialize");
m_EffectPool = new EffectPool();
m_BasicEffect = new BasicEffect(m_XNA_GraphicsDevice, m_EffectPool);
//set the model matrix to identity
m_BasicEffect.World = Matrix.Identity;
m_BasicEffect.View = Matrix.Identity;
m_BasicEffect.Projection = Matrix.Identity;
m_XNA_GraphicsDevice.RenderState.DepthBufferEnable = true;
m_XNA_GraphicsDevice.RenderState.DepthBufferWriteEnable = true;
return(true);
}