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Re: [fltk.general] OpenGL - displayList - gl_draw
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Re: OpenGL - displayList - gl_draw duncan Sep 25, 2020  
 
  static GLuint DisplayList=-1;
  if (DisplayList<0){ glDeleteLists(DisplayList, 1);

 Surely a GLuint is an unsigned int, so assigning -1 will cause rollover and the test can never be satisfied?

D.

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