protected override void DrawEffect(Texture2D tex, SpriteBatch spriteBatch, GraphicsDevice device)
{
RenderTarget2D curTarget = device.GetCurrentRenderTarget();
//device.SetRenderTarget(target);
effect.Parameters["ScreenSize"].SetValue(new Vector2(tex.Width, tex.Height));
spriteBatch.Begin( SpriteSortMode.Immediate, BlendState.NonPremultiplied,null,null,null,effect);
spriteBatch.Draw(tex, Vector2.Zero, Color.White);
spriteBatch.End();
//device.SetRenderTarget(curTarget);
//spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.NonPremultiplied);
//spriteBatch.Draw(target, Vector2.Zero, Color.White);
//spriteBatch.End();
}
