Thank you, ulrich. Now I load texture files in camera callback and solve the problem.
I use ms3d models and render them by OpenGL. So I have to load model and texture files by myself. Thanks for your help. Su Hu 2009/4/16 Ulrich Hertlein <u.hertl...@sandbox.de> > The reason for this is that you don't have a valid OpenGL context. > > But apart from that is there a reason why you're trying to create the > texture yourself? > Instead of using, say, OSG for that? > > /ulrich > > On 16/4/09 6:58 AM, su hu wrote: > >> After glGenTextures, I use glGetError to get the error. The result is : >> GL_INVALID_OPERATION. >> ... >> 2009/4/16 su hu <ttts...@gmail.com <mailto:ttts...@gmail.com>> >> >> Hi all, >> >> When I tried to create a texture by glGenTextures in OSG, I met a >> problem. glGenTextures can not create a texture object. Zero is >> returned and no texture is created. Source codes are as follow: >> ... >> else if(LoadTexture) >> { >> GLuint TexID = 0; >> glGenTextures(1, &TexID ); >> .... >> } >> > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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