public X11GLContext(GraphicsMode mode, X11Window window)
{
Debug.Print("Creating X11GLContext context: ");
cur = window;
XVisualInfo info = cur.VisualInfo;
// Cannot pass a Property by reference.
IntPtr display = API.DefaultDisplay;
ContextHandle = Glx.glXCreateContext(display, ref info, IntPtr.Zero, true);
if (ContextHandle == IntPtr.Zero)
{
Debug.Print("failed. Trying indirect... ");
ContextHandle = Glx.glXCreateContext(display, ref info, IntPtr.Zero, false);
}
if (ContextHandle != IntPtr.Zero)
{
Debug.Print("Context created (id: {0}).", ContextHandle);
}
else
{
throw new GraphicsContextException("Context creation failed. Error: NULL returned");
}
if (!Glx.glXIsDirect(display, ContextHandle))
{
Debug.Print("Warning: Context is not direct.");
}
if (!Glx.glXMakeCurrent(API.DefaultDisplay, window.WinHandle, ContextHandle))
{
throw new GraphicsContextException("Failed to make context current.");
}
Glx.LoadEntryPoints();
vsync_supported = Glx.glXSwapIntervalSGI != null;
}