c_gtk_widget_set_gl_capability

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
int function(GtkWidget* widget, GdkGLConfig* glconfig, GdkGLContext* shareList, int direct, int renderType) c_gtk_widget_set_gl_capability;

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