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));
}
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();
}