[vtkusers] VTK Carbon AGLContext

[Stephen Furlani]

Hello,

I have a noob question regarding the use of OpenGL/VTK, and there wasn't
much on the list about Carbon.

I already have an AGLContext, Window, and ContentView in my software.  I've
set the RootWindow and WindowID to the appropriate values, but when I call
"renwin->Render()" it tries to create a GLContext

Program received signal:  “EXC_BAD_ACCESS”.
(gdb)  bt
#0  0x00000000 in ?? ()
#1  0x005c631d in vtkOpenGLRenderWindow::OpenGLInit ()
#2  0x0060c95b in vtkCarbonRenderWindow::CreateAWindow ()
#3  0x0060a3aa in vtkCarbonRenderWindow::WindowInitialize ()
#4  0x0060bfa5 in vtkCarbonRenderWindow::Initialize ()
#5  0x00608d00 in vtkCarbonRenderWindow::Start ()
#6  0x00571b70 in vtkRenderWindow::DoStereoRender ()
#7  0x005721a5 in vtkRenderWindow::DoFDRender ()
#8  0x005728fe in vtkRenderWindow::DoAARender ()
#9  0x00572feb in vtkRenderWindow::Render ()

When I ask for the pointers I get the following:

vtkCarbonRenderWindow *renWin = vtkCarbonRenderWindow::New();
renWin->SetRootWindow(winref);
renWin->SetWindowId(HIViewGetRoot(winref));

SFLog(@"Window: 0x%x == 0x%x", renWin->GetRootWindow(), winref);
SFLog(@"HiView: 0x%x == 0x%x", renWin->GetWindowId(),
HIViewGetRoot(winref));
SFLog(@"AGLContext: 0x%x == 0x%x", renWin->GetContextId(),
eqWindow->getAGLContext());

 SFLOG: void Channel::drawVTK() [Line 142] Window: 0x1c505e0 == 0x1c505e0
 SFLOG: void Channel::drawVTK() [Line 143] HiView: 0x1c4ed40 == 0x1c4ed40
 SFLOG: void Channel::drawVTK() [Line 144] AGLContext: 0x0 == 0x1f107200

How can I use an already-created AGLContext?  I could only find a getter for
it.

I'm using the Equalizer API for cluster graphics, so it already creates the
windows, contexts, etc.

Is what I want to do possible?  Is there a different way to go about doing
it? Will I need to write another subclass of vtkOpenGLRenderWindow to work
with Equalizer instead of the default Carbon one?

Thanks,

-Stephen Furlani
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