protected override void Dispose(bool disposing)
{
if (IsDisposed)
{
return;
}
if (disposing)
{
if (MakeCurrent())
{
GLStop?.Invoke(this, EventArgs.Empty);
}
if (HGLRC != IntPtr.Zero)
{
wgl.MakeCurrent(HDC, IntPtr.Zero);
wgl.DeleteContext(HGLRC);
HGLRC = IntPtr.Zero;
}
if (HDC != IntPtr.Zero)
{
gdi.ReleaseDC(Handle, HDC);
HDC = IntPtr.Zero;
}
}
base.Dispose(disposing);
}
protected override void OnHandleDestroyed(EventArgs e)
{
if (!IsDisposed)
{
if (MakeCurrent())
{
GLStop?.Invoke(this, EventArgs.Empty);
}
if (HGLRC != IntPtr.Zero)
{
wgl.MakeCurrent(HDC, IntPtr.Zero);
wgl.DeleteContext(HGLRC);
HGLRC = IntPtr.Zero;
}
if (HDC != IntPtr.Zero)
{
gdi.ReleaseDC(Handle, HDC);
HDC = IntPtr.Zero;
}
}
base.OnHandleDestroyed(e);
}
private void Worker(object args)
{
var Args = (ThreadArgs)args;
var HWND = Args.HWND;
var HDC = IntPtr.Zero;
var HGLRC = IntPtr.Zero;
try
{
GLInit(HWND, out HDC, out HGLRC);
gl.Enable(GL.BLEND);
gl.BlendFunc(GL.SRC_ALPHA, GL.ONE_MINUS_SRC_ALPHA);
gl.DepthMask(GL.FALSE);
gl.MatrixMode(GL.PROJECTION);
gl.Viewport(0, 0, ClientSize.Width, ClientSize.Height);
gl.LoadIdentity();
gl.Ortho(-SurfaceSize.Width / 2f, SurfaceSize.Width / 2f,
-SurfaceSize.Height / 2f, SurfaceSize.Height / 2f, 0f, 1f);
GLStart?.Invoke(this, EventArgs.Empty);
var FrameTimer = new Stopwatch();
while (RendererRunning)
{
if (FPS <= 0)
{
Thread.Sleep(100);
}
else
{
var delay = 1000 / FPS - (int)FrameTimer.ElapsedMilliseconds;
if (delay > 0)
{
Thread.Sleep(delay);
}
FrameTimer.Restart();
lock (ActionRequests)
while (ActionRequests.Count > 0)
{
ActionRequests.Dequeue().Invoke();
}
if (!NoClear)
{
gl.ClearColor(BackColor.R / 256f, BackColor.G / 256f,
BackColor.B / 256f, BackColor.A / 256f);
gl.Clear(GL.COLOR_BUFFER_BIT | GL.DEPTH_BUFFER_BIT);
}
GLPaint?.Invoke(this, EventArgs.Empty);
gdi.SwapBuffers(HDC);
}
}
}
finally
{
GLStop?.Invoke(this, EventArgs.Empty);
GLDispose(HWND, HDC, HGLRC);
}
}
