Kai Ninomiya ec5aa6e5df Only default to vulkan loader in standalone
The default dawn_vulkan_loader_dir path is only guaranteed to exist in
standalone builds.

Should fix roll into Skia, which doesn't override dawn_vulkan_loader_dir
in its BUILD.gn files. Build fix confirmed locally. Sample roll failure:
https://skia-review.googlesource.com/c/skia/+/477896/

Bug: dawn:1191
Change-Id: Iea56475504afbe8926557371be9af5d345010b38
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/71443
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Loko Kung <lokokung@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
2021-12-02 01:05:41 +00:00
..