public viewwindow(IRenderer render, IRenderOwner renderer, Widget widget, CGRect frame, NSOpenGLContext ctx)
: base(frame)
{
this.mainthread = Thread.CurrentThread;
this.render = render;
this.renderer = renderer;
this.window = widget;
base.WantsBestResolutionOpenGLSurface = true;
this.WantsLayer = true;
this.openglctx = ctx;
Trace.Assert(this.openglctx != null, "no NSOpenGLContext context");
// this.openglctx.CGLContext.Handle
this.openglctx.CGLContext.Lock();
try
{
this.openglctx.MakeCurrentContext();
this._ctx = new _GraphicsContext(); // created from active content
}
catch { throw; }
finally
{
NSOpenGLContext.ClearCurrentContext();
this.openglctx.CGLContext.Unlock();
}
/* var wBackend = Xwt.Toolkit.CurrentEngine.GetSafeBackend(widget.ParentWindow) as Xwt.Backends.IWindowFrameBackend;
* var win = wBackend.Window as NSWindow;
*
* while (win.ParentWindow != null)
* {
* win = win.ParentWindow;
* }
* // win.DidChangeValue+= Win_DidChangeValue;
* win.DidChangeBackingProperties+= Win_DidChangeBackingProperties;
* win.DidChangeScreenProfile+= Win_DidChangeScreenProfile;
* win.DidExpose+= Win_DidExpose;
* win.DidMiniaturize+= Win_DidMiniaturize;
* win.DidChangeScreen+= Win_DidChangeScreen;*/
}
public override NSOpenGLContext GetOpenGLContext(NSOpenGLPixelFormat pixelFormat)
{
this._ctx2?.Dispose();
this._ctx2 = null;
var r = new NSOpenGLContext(pixelFormat /*GetOpenGLPixelFormat(0)*/, this.owner.openglctx);
if (r != null)
{
var error = CGLEnable(r.CGLContext.Handle, 313); //
Trace.Assert(r.CGLContext.Handle != this.owner.openglctx.CGLContext.Handle);
{
r.CGLContext.Lock();
r.MakeCurrentContext();
this._ctx2 = new _GraphicsContext(); // register active context handle
NSOpenGLContext.ClearCurrentContext();
r.CGLContext.Unlock();
}
return(r);
}
return(null);
}
public override void Release(CGLContext glContext)
{
this._ctx2?.Dispose();
this._ctx2 = null;
base.Release(glContext);
}
