fltk_gl_window_context_valid
fn
int fltk_gl_window_context_valid(FltkGlWindow win)Checks if the OpenGL context is valid for rendering.
Parameters
win | The window |
Returns
Non-zero if context is valid
int fltk_gl_window_context_valid(FltkGlWindow win)Checks if the OpenGL context is valid for rendering.
win | The window |