public void Blur()
{
GL.Disable(EnableCap.Blend);
GL.Viewport(0, 0, size, size);
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, this.tempRenderTarget);
blurHSurface.Render();
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, this.renderTarget);
blurVSurface.Render();
}
private void compositeTo(RenderTarget target)
{
renderTo(target, new ScreenCoords(viewport.Width, viewport.Height));
compositeSurface.Render();
}