[Paraview] PV3 pvserver OSX Offscreen

clinton at elemtech.com clinton at elemtech.com
Fri Oct 5 18:13:15 EDT 2007

How about turning off VTK_USE_CARBON?
The Carbon render window uses AGL, which requires access to the display.
With OSMesa, you can try using vtkOSOpenGLRenderWindow instead.


On Friday 05 October 2007 3:54:55 pm Kevin H. Hobbs wrote:
> I've been trying to build ParaView3 pvserver on an Apple cluster for the
> past few days.
> As I understand it I have no access to the display hardware on the
> compute nodes which is fine since I'm only interested in off screen
> rendering anyway.
> I've tried to link against both Mesa with OSMesa and the system
> libraries.
> When I link against Mesa 7.0.1 with OSMesa by running cmake with "-D
> OPENGL_INCLUDE_DIR:PATH=/home/ohu0210/Mesa-7.0.1/include" and such, I
> get link errors:
> 	Linking CXX shared library ../../bin/libvtkRendering.dylib
> 	ld: Undefined symbols:
> 	_aglChoosePixelFormat
> 	_aglCreateContext
> What needs these? Are these defined in AGL?
> When I instead let cmake find the system libraries:
> 	OPENGL_INCLUDE_DIR	/System/Library/Frameworks/OpenGL.framework
> 	OPENGL_gl_LIBRARY	/System/Library/Frameworks/OpenGL.framework
> 	OPENGL_glu_LIBRARY	/System/Library/Frameworks/AGL.framework
> ParaView builds fine but crashes when I try to render something large
> enough to require rendering on the server (Remote Render Threshold). I
> get the error message:
> 	INIT_Processeses(), could not establish the default connection to the
> WindowServer.Signal:6 info.si_errno:0(Unknown error: 0) si_code:0()
> I ran pvserver with --use-offscreen-rendering but the comment in
> ParaView3/Servers/ServerManager/vtkSMRenderViewProxy.cxx line 1032:
> 	// Offscreen rendering is not functioning properly on the mac.
>   	// Do not use it.
> gives me little hope.

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