public static IntPtr SelectFBConfig(IntPtr display, FramebufferFormat format)
{
List <int> visualAttribute = FramebufferFormatToVisualAttribute(format);
IntPtr result = IntPtr.Zero;
// TODO: make screen configurable?
int screen = DefaultScreenLocked(display);
int fbcount;
unsafe
{
IntPtr *fbConfigs = GLX.ChooseFBConfig(display, screen, visualAttribute.ToArray(), out fbcount);
if (fbcount > 0 && fbConfigs != null)
{
result = *fbConfigs;
XFree((IntPtr)fbConfigs);
}
}
return(result);
}
protected override void Dispose(bool disposing)
{
if (!IsDisposed)
{
if (disposing)
{
MakeCurrent(null);
GLX.DestroyContext(_display, ContextHandle);
}
IsDisposed = true;
}
}
public override void MakeCurrent(NativeWindowBase window)
{
if (_window != null && window != null && _window.WindowHandle.RawHandle == window.WindowHandle.RawHandle && IsCurrent)
{
return;
}
bool success;
if (window != null)
{
if (!(window is GLXWindow))
{
throw new InvalidOperationException($"MakeCurrent() should be used with a {typeof(GLXWindow).Name}.");
}
if (_display != window.DisplayHandle.RawHandle)
{
throw new InvalidOperationException("MakeCurrent() should be used with a window originated from the same display.");
}
success = GLX.MakeCurrent(_display, window.WindowHandle.RawHandle, ContextHandle);
}
else
{
success = GLX.MakeCurrent(_display, IntPtr.Zero, IntPtr.Zero);
}
if (success)
{
_window = window;
}
else
{
throw new ContextException("MakeCurrent() failed.");
}
}
public override void SwapBuffers()
{
GLX.SwapBuffers(DisplayHandle.RawHandle, WindowHandle.RawHandle);
}