public override void Initialize(NativeWindowBase window = null)
{
IntPtr windowHandle = IntPtr.Zero;
if (window != null)
{
windowHandle = window.WindowHandle.RawHandle;
}
IntPtr sharedContextHandle = IntPtr.Zero;
if (ShareContext != null)
{
sharedContextHandle = ShareContext.ContextHandle;
}
IntPtr context = WGLHelper.CreateContext(ref windowHandle, FramebufferFormat, Major, Minor, Flags, DirectRendering, sharedContextHandle);
ContextHandle = context;
if (ContextHandle != IntPtr.Zero)
{
// If there is no window provided, keep the temporary window around to free it later.
if (window == null)
{
_windowHandle = windowHandle;
_deviceContext = Win32.Win32.GetDC(windowHandle);
}
else
{
_window = window;
_deviceContext = _window.DisplayHandle.RawHandle;
}
}
if (ContextHandle == IntPtr.Zero)
{
throw new ContextException("CreateContext() failed.");
}
}
public override IntPtr GetProcAddress(string procName)
{
return(WGLHelper.GetProcAddress(procName));
}