Move app render state mapping to renderer gl

docs/modernization/build-inventory.md

@@ -158,7 +158,9 @@ Known local toolchain state:
   check. App OpenGL initialization debug severity, debug output, GL info string,
   default depth/program-point/line-smooth state, blend factor/equation, and UI
   render-target RGBA8 format tokens are cataloged and tested here too, including
-  the legacy convert command and resize path.
+  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.
 - `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

@@ -423,7 +423,9 @@ directly. App OpenGL initialization debug severity, debug output, GL info
 string, default depth/program-point/line-smooth state, blend factor/equation,
 and UI render-target RGBA8 format tokens are now also cataloged and tested in
 `pp_renderer_gl`; the legacy convert command and resize path consume the same
-backend-owned mapping. The existing renderer classes are not yet fully
+backend-owned mapping. App clear color-buffer masks, default framebuffer
+binding, scissor state, and sampler filter/wrap tokens now share that backend
+mapping too. The existing renderer classes are not yet fully
 behind the renderer interfaces.
 
 Implementation tasks: