public WinGLContext(GraphicsMode format, WinWindowInfo window)
{
if (window == null)
{
throw new ArgumentNullException("window", "Must point to a valid window.");
}
if (window.handle == IntPtr.Zero)
{
throw new ArgumentException("window", "Must be a valid window.");
}
Debug.Print("OpenGL will be bound to handle: {0}", window.handle);
SelectGraphicsModePFD(format, (WinWindowInfo)window);
Debug.Print("Setting pixel format... ");
SetGraphicsModePFD(format, (WinWindowInfo)window);
ContextHandle = Wgl.wglCreateContext(window.DeviceContext);
if (ContextHandle == IntPtr.Zero)
{
ContextHandle = Wgl.wglCreateContext(window.DeviceContext);
}
if (ContextHandle == IntPtr.Zero)
{
throw new GraphicsContextException(
String.Format("Context creation failed. Wgl.CreateContext() error: {0}.",
Marshal.GetLastWin32Error()));
}
Debug.Print("success! (id: {0})", ContextHandle);
}
public WinGLContext(GraphicsMode format, WinWindow window)
{
Debug.Print("OpenGL will be bound to handle: {0}", window.WinHandle);
SelectGraphicsModePFD(format, window);
Debug.Print("Setting pixel format... ");
SetGraphicsModePFD(format, window);
ContextHandle = Wgl.wglCreateContext(window.DeviceContext);
if (ContextHandle == IntPtr.Zero)
{
ContextHandle = Wgl.wglCreateContext(window.DeviceContext);
}
if (ContextHandle == IntPtr.Zero)
{
throw new GraphicsContextException("Context creation failed. Error: " + Marshal.GetLastWin32Error());
}
if (!Wgl.wglMakeCurrent(window.DeviceContext, ContextHandle))
{
throw new GraphicsContextException("Failed to make context current. " +
"Error: " + Marshal.GetLastWin32Error());
}
dc = Wgl.wglGetCurrentDC();
Wgl.LoadEntryPoints();
vsync_supported = Wgl.wglSwapIntervalEXT != null;
}
