private void BindCullMode(bool force)
{
if (force || cullMode != boundCullMode)
{
var enabled = boundCullMode != CullMode.None;
var required = cullMode != CullMode.None;
if (force || required != enabled)
{
if (required)
{
GL.Enable(EnableCap.CullFace);
GLHelper.CheckGLErrors();
}
else
{
GL.Disable(EnableCap.CullFace);
GLHelper.CheckGLErrors();
}
}
if (required)
{
GL.CullFace((CullFaceMode)GLHelper.GetGLCullFaceMode(cullMode));
GLHelper.CheckGLErrors();
}
boundCullMode = cullMode;
}
}