strip out update/render/repaint window cruft; promote layer per-tick APIs to base layer

src/base/base_entry_point.c

@@ -102,3 +102,23 @@ supplement_thread_base_entry_point(void (*entry_point)(void *params), void *para
   entry_point(params);
   tctx_release();
 }
+
+internal B32
+update(void)
+{
+  ProfTick(0);
+#if defined(TEXT_CACHE_H)
+  txt_user_clock_tick();
+#endif
+#if defined(DASM_CACHE_H)
+  dasm_user_clock_tick();
+#endif
+#if defined(GEO_CACHE_H)
+  geo_user_clock_tick();
+#endif
+#if defined(TEXTURE_CACHE_H)
+  tex_user_clock_tick();
+#endif
+  B32 result = frame();
+  return result;
+}

src/base/base_entry_point.h

@@ -6,5 +6,6 @@
 
 internal void main_thread_base_entry_point(void (*entry_point)(CmdLine *cmdline), char **arguments, U64 arguments_count);
 internal void supplement_thread_base_entry_point(void (*entry_point)(void *params), void *params);
+internal B32 update(void);
 
 #endif // BASE_ENTRY_POINT_H