Move font render mapping to renderer gl

docs/modernization/build-inventory.md

@@ -161,7 +161,10 @@ Known local toolchain state:
   the legacy convert command and resize path. App clear color-buffer masks,
   default framebuffer binding, scissor state, and sampler filter/wrap tokens
   also consume the backend mapping. OpenGL extension enumeration query tokens
-  used before runtime capability detection are cataloged here.
+  used before runtime capability detection are cataloged here. Legacy font
+  atlas texture formats, text mesh buffer targets, attribute component and
+  normalization tokens, draw primitive/index type, upload usage, and active
+  texture unit selection also consume the backend mapping.
 - `windows-msvc-vcpkg-headless` validates manifest install/configure/build/test
   for the current headless component matrix; see DEBT-0007 for remaining app
   and platform triplet migration.

docs/modernization/roadmap.md

@@ -426,7 +426,11 @@ and UI render-target RGBA8 format tokens are now also cataloged and tested in
 backend-owned mapping. App clear color-buffer masks, default framebuffer
 binding, scissor state, and sampler filter/wrap tokens now share that backend
 mapping too. OpenGL extension enumeration query tokens used before runtime
-capability detection also live in `pp_renderer_gl`. The existing renderer classes are not yet fully
+capability detection also live in `pp_renderer_gl`. Legacy font atlas texture
+formats, text mesh buffer targets, attribute component/normalization, draw
+primitive/index type, upload usage, and active texture unit selection also
+delegate to `pp_renderer_gl`; `Font` no longer spells GL enum names directly.
+The existing renderer classes are not yet fully
 behind the renderer interfaces.
 
 Implementation tasks: