Hi all,
I try to combine some OpenGL functionality with OpenSG. After some time, I
found out that glGetError didn't return "no_error". A slight modification of
the sample 01hello.cpp (in Examples/Simple)
[SNIP]
int main(int argc, char **argv)
{
// OSG init
OSG::osgInit(argc,argv);
// GLUT init
int winid = setupGLUT(&argc, argv);
// open a new scope, because the pointers gwin and scene below should
// go out of scope before entering glutMainLoop.
// Otherwise OpenSG will complain about objects being alive after shutdown.
{
// the connection between GLUT and OpenSG
OSG::GLUTWindowRefPtr gwin = OSG::GLUTWindow::create();
gwin->setGlutId(winid);
GLenum err;
err= glGetError();
std::cout << gluErrorString(err) << std::endl;
gwin->init();
err = glGetError();
std::cout << gluErrorString(err) << std::endl;
// create the scene
OSG::NodeRefPtr scene = OSG::makeTorus(.5, 2, 16, 16);
OSG::commitChanges();
[SNAP]
leads to the output:
no error
invalid operation
I started debugging GLUTWindow, but I got lost. Anyone an idea?
Regards,
Daniel
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