public static SPBOpenGLContext CreateBackgroundContext(OpenGLContextBase sharedContext)
{
OpenGLContextBase context = PlatformHelper.CreateOpenGLContext(FramebufferFormat.Default, 3, 3, OpenGLContextFlags.Compat, true, sharedContext);
NativeWindowBase window = PlatformHelper.CreateWindow(FramebufferFormat.Default, 0, 0, 100, 100);
context.Initialize(window);
context.MakeCurrent(window);
GL.LoadBindings(new OpenToolkitBindingsContext(context));
context.MakeCurrent(null);
return(new SPBOpenGLContext(context, window));
}
protected override void CreateWindow()
{
var flags = OpenGLContextFlags.Compat;
if (DebugLevel != GraphicsDebugLevel.None)
{
flags |= OpenGLContextFlags.Debug;
}
_gameBackgroundWindow = PlatformHelper.CreateOpenGLWindow(FramebufferFormat.Default, 0, 0, 100, 100);
_gameBackgroundWindow.Hide();
GameContext = PlatformHelper.CreateOpenGLContext(FramebufferFormat.Default, Major, Minor, flags, shareContext: PrimaryContext);
GameContext.Initialize(_gameBackgroundWindow);
}
private void Intialize()
{
NativeWindow = RetrieveNativeWindow();
Window.EnsureNative();
OpenGLContext = PlatformHelper.CreateOpenGLContext(FramebufferFormat, GLVersionMajor, GLVersionMinor, ContextFlags, DirectRendering, SharedContext);
OpenGLContext.Initialize(NativeWindow);
OpenGLContext.MakeCurrent(NativeWindow);
_initialized = true;
Initialized?.Invoke(this, EventArgs.Empty);
}
private void IntializeOpenGL()
{
_nativeWindow = RetrieveNativeWindow();
Window.EnsureNative();
_openGLContext = PlatformHelper.CreateOpenGLContext(GetGraphicsMode(), 3, 3, _glLogLevel == GraphicsDebugLevel.None ? OpenGLContextFlags.Compat : OpenGLContextFlags.Compat | OpenGLContextFlags.Debug);
_openGLContext.Initialize(_nativeWindow);
_openGLContext.MakeCurrent(_nativeWindow);
// Release the GL exclusivity that SPB gave us as we aren't going to use it in GTK Thread.
_openGLContext.MakeCurrent(null);
WaitEvent.Set();
_initializedOpenGL = true;
}
static void Main(string[] args)
{
NativeWindowBase window = PlatformHelper.CreateWindow(FramebufferFormat.Default, 0, 0, 250, 250);
OpenGLContextBase context = PlatformHelper.CreateOpenGLContext(FramebufferFormat.Default, 3, 3, OpenGLContextFlags.Compat);
context.Initialize(window);
context.MakeCurrent(window);
GL.LoadBindings(new OpenToolkitBindingsContext(context));
window.Show();
GL.ClearColor(1.0f, 0.5f, 1.0f, 1.0f);
GL.Clear(ClearBufferMask.ColorBufferBit);
window.SwapBuffers();
Console.WriteLine($"OpenGL vendor: {GL.GetString(StringName.Vendor)}");
Console.WriteLine($"OpenGL version: {GL.GetString(StringName.Version)}");
Console.WriteLine($"OpenGL renderer: {GL.GetString(StringName.Renderer)}");
Console.WriteLine($"OpenGL context profile mask: {GL.GetInteger((GetPName)All.ContextProfileMask)}");
Console.WriteLine($"OpenGL context flags: {GL.GetInteger((GetPName)All.ContextFlags)}");
Thread.Sleep(2000);
window.Dispose();
Console.WriteLine($"Dispose OpenGL context!");
context.Dispose();
string vendor2 = GL.GetString(StringName.Vendor);
Console.WriteLine($"OpenGL vendor: {vendor2}");
window.Dispose();
}