Move canvas resource formats to renderer gl

docs/modernization/roadmap.md

@@ -753,6 +753,11 @@ Results:
   viewport/clear/blend/depth/scissor state, color clears, active texture units,
   fallback 2D texture unbinds, copy targets, and RGBA8 render-target formats
   through the renderer GL backend mapping.
+- Canvas resource setup now routes stroke-buffer RGBA8/RGBA16F/RGBA32F
+  formats, flood-fill texture upload format/type, brush/stencil/mix sampler
+  filters and wraps, and cube-strip import channel formats through the renderer
+  GL backend mapping. The clamp-to-border sampler wrap is now cataloged and
+  tested in `pp_renderer_gl`.
 - Known remaining warnings: legacy project/vendor diagnostics, Visual Studio
   vcpkg-manifest warning, `LNK4099` missing libyuv PDBs, and `LNK4098` runtime
   library conflict from retained vendor binaries.