/// <summary>
/// Returns an integers representing if an OpenGL state was enabled, disabled or not set. No OpenGL getter function is
/// called to retrieve the actual state of the variables, which means that changes resulting from OpenGL calls done
/// outside this wrapper, will not be considered.
/// </summary>
/// <param name="capability">
/// The OpenGL state's OpenGL enum.
/// </param>
/// <returns>
/// 0 if the requested state has been disabled,
/// 1 if the requested state has been enabled,
/// -1 if the requested state has never been set using this class.
/// </returns>
public int IsStateEnabled(OpenGL.EnableCap /*GLenum*/ capability)
{
if (!d_enabledOpenGLStates.ContainsKey(capability))
{
return(-1);
}
var isEnabled = d_enabledOpenGLStates[capability];
return(isEnabled ? 1 : 0);
}
public void Disable(OpenGL.EnableCap /*GLenum*/ capability)
{
if (d_enabledOpenGLStates.ContainsKey(capability))
{
if (d_enabledOpenGLStates[capability] != false)
{
OpenGL.GL.Disable(capability);
d_enabledOpenGLStates[capability] = false;
}
}
else
{
d_enabledOpenGLStates[capability] = false;
OpenGL.GL.Disable(capability);
}
}
