extern bool double_buffer;
extern bool insideGlBeginEnd;
extern Trace::Parser parser;
-extern glws::WindowSystem *ws;
extern glws::Visual *visual;
extern glws::Drawable *drawable;
extern glws::Context *context;
extern const retrace::Entry wgl_callbacks[];
void snapshot(unsigned call_no);
-void frame_complete(unsigned call_no);
+void frame_complete(Trace::Call &call);
void updateDrawable(int width, int height);