public static bool ActivateGlContext()
{
if (OpenGL.wglGetCurrentContext() != IntPtr.Zero)
{
return(true);
}
if (IntPtr.Zero == _hglrc)
{
return(false);
}
RhinoView view = RhinoView.FromRuntimeSerialNumber(_viewSerialNumber);
if (null == view)
{
_hglrc = IntPtr.Zero;
_viewSerialNumber = 0;
return(false);
}
var hwnd = view.Handle;
var hdc = OpenGL.GetDC(hwnd);
OpenGL.wglMakeCurrent(hdc, _hglrc);
return(true);
}
public static bool ActivateGlContext()
{
if (!OpenGL.IsAvailable)
{
return(false);
}
// just assume GL context is active for now
if (Rhino.Runtime.HostUtils.RunningOnOSX)
{
return(true);
}
if (OpenGL.wglGetCurrentContext() != IntPtr.Zero)
{
return(true);
}
if (IntPtr.Zero == _hglrc)
{
return(false);
}
RhinoView view = RhinoView.FromRuntimeSerialNumber(_viewSerialNumber);
if (null == view)
{
_hglrc = IntPtr.Zero;
_viewSerialNumber = 0;
return(false);
}
var hwnd = view.Handle;
var hdc = OpenGL.GetDC(hwnd);
OpenGL.wglMakeCurrent(hdc, _hglrc);
return(true);
}
