Problems getting Fog to work in performer 2.0.4 IRIX 6.4 (C++ code)

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Hugo Eide Gunnarsen (hugogu++at++hugogu.oslo.sgi.com)
Tue, 25 Nov 1997 10:15:32 +0100

I'm trying to add fog into my scene. I have not tested this in C yet, but
all other suff are working in C++, so I am not sure if this is :
        1) Programming error (from my side)
        2) Bug in the C++ pfFog
        3) Bug in pfFog in general
        4) Bug in my version of performer (2.0.4 IRIX 6.4)

If I try to compile and run the program below, I get an segmentation
fault.
I have also tried to compile mips1 and mips2 with IRISGL/OpenGL.

I can see that perfly uses pfFog, but I'm not able to run
the perfly code that is in the example directory. It also give me an
Bus error (core dumped)

// CC -n32 -mips3 -o p p.c++ -lpf_ogl -lpfdu_ogl -lpfutil_ogl

#include <Performer/pf/pfChannel.h>
#include <Performer/pf/pfLightSource.h>
#include <Performer/pfdu.h>
#include <Performer/pr/pfFog.h>

pfScene *pf_scene;
pfPipe *pf_pipe;
pfPipeWindow *pf_pipewindow;
pfChannel *pf_channel;
pfFog *pf_fog;

main() {
  pfInit();
  pfConfig();

  pfuInitUtil();

  pf_scene=new pfScene();

  // This make my program coredump in the next new/pfMalloc (new
pfPipeWindow)
  pf_fog=new pfFog();

  pf_pipe=pfGetPipe(0);

  pf_pipewindow=new pfPipeWindow(pf_pipe);
  pf_pipewindow->setOriginSize(0,1024,256,256);
  pf_pipewindow->open();

  pf_channel=new pfChannel(pf_pipe);

  while(pfGetTime()<2.0) { pfFrame(); }
}

-- 


Hugo Eide Gunnarsen	Mob:	+47 92887631	If it ain't broke,
hugogu++at++oslo.sgi.com	Work:	+47 67114631	it doesn't have 
Silicon Graphics AS 	Direct:	+47 67114600	enough features yet.


No fortune generated, out of luck.


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