Share retained GL runtime dispatch adapters

docs/modernization/build-inventory.md

@@ -698,7 +698,11 @@ powershell -ExecutionPolicy Bypass -File scripts\automation\apple-remote-build.p
   with app startup, app clear, app UI viewport/scissor, and command-convert
   renderer state callbacks, so those files no longer duplicate local raw GL
   adapter clusters for capability, blend, clear, viewport, scissor, active
-  texture, or 2D texture-unbind execution.
+  texture, or 2D texture-unbind execution. Retained HMD viewport setup, text
+  atlas texture-unit activation, Windows/legacy default framebuffer binding,
+  platform render-hint enable callbacks, the global OpenGL error drain, and
+  Windows debug message callback installation also now reuse the shared retained
+  dispatch headers instead of file-local raw entrypoint adapters.
   Canvas mode overlay, mask, and transform paths also consume backend-owned
   blend/depth state execution, active texture unit dispatch, transform/cut
   viewport execution, 2D texture copy targets, and RGBA8 readback format tokens;