Move shape buffer mapping to renderer gl

docs/modernization/build-inventory.md

@@ -144,9 +144,10 @@ Known local toolchain state:
   status used by `RTT::create` and framebuffer bind/restore paths, plus RTT
   clear color/depth masks and color-write-mask query tokens. `RTT` no longer
   spells GL enum names directly. It also
-  validates Shape index-type and fill/stroke primitive-mode mapping used by the
-  legacy mesh draw path, plus the PanoPainter cube-face to OpenGL texture-target
-  mapping used by `TextureCube`.
+  validates Shape index-type, fill/stroke primitive-mode, buffer target, static
+  upload usage, and vertex attribute component/normalization mapping used by
+  the legacy mesh draw path, plus the PanoPainter cube-face to OpenGL
+  texture-target mapping used by `TextureCube`.
   It also owns and validates sampler wrap S/T/R, min/mag filter, and desktop
   border-color parameter mapping used by legacy `Sampler`. The PanoPainter
   shader attribute binding catalog used by legacy `Shader` creation also lives

docs/modernization/roadmap.md

@@ -405,8 +405,10 @@ used by `RTT::create` and framebuffer bind/restore paths, also live in
 `pp_renderer_gl`. RTT clear color/depth masks and color-write-mask query tokens
 also live in `pp_renderer_gl`. `RTT` no longer spells GL enum names directly.
 Mesh index-type and primitive-mode
-decisions used by legacy `Shape` drawing and the PanoPainter cube-face to
-OpenGL texture-target mapping used by `TextureCube` also live in
+decisions used by legacy `Shape` drawing, plus Shape buffer targets, static
+upload usage, and vertex attribute component/normalization tokens, also live
+in `pp_renderer_gl`. The PanoPainter cube-face to
+OpenGL texture-target mapping used by `TextureCube` also lives in
 `pp_renderer_gl`. The legacy app delegates extension, upload-format,
 framebuffer diagnostic, framebuffer blit, render-target setup, clear-state,
 2D/cube texture setup, mesh draw-mode, and cube-face texture-target