Commit 46f68dba5ff91671eba76c4611da54acc738ea15
2023-02-06T15:22:31
Metal: Support LibraryCache below c++20. Usage of generic lookup with is_transparent is supported in c++20 or any recent absl version. Add macros to feature test c++ and fall back to copying the keys if generic lookup is not supported. Bug: chromium:1385510 Change-Id: I4017890e2cc664afe127defd63b8dd50fb6f4163 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4224874 Commit-Queue: Kenneth Russell <kbr@chromium.org> Reviewed-by: Kenneth Russell <kbr@chromium.org> Commit-Queue: Jonah Ryan-Davis <jonahr@google.com> Auto-Submit: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>