commit 027a8f6464c56c7294a622118d5c1f0fbf9cf58f
author Li Hao <hao.x.li@intel.com> Mon May 20 02:35:24 2019 +0000
committer Commit Bot service account <commit-bot@chromium.org> Mon May 20 02:35:24 2019 +0000
tree 702fa4bee6ed552c71940bc0e7454a7608683884
parent 1458dbf51865bd6d92def7d505a3b79f5b2f56db

Enable Metal validation layers

BUG=dawn:150

Change-Id: Id3e9dd7a99e8a195fddb98026ddf256d82a4b1ba
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7300
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Hao Li <hao.x.li@intel.com>

src/dawn_native/metal/BackendMTL.mm

diff --git a/src/dawn_native/metal/BackendMTL.mm b/src/dawn_native/metal/BackendMTL.mm
index a605b1d..7e1be79 100644
--- a/src/dawn_native/metal/BackendMTL.mm
+++ b/src/dawn_native/metal/BackendMTL.mm
@@ -14,6 +14,7 @@
 
 #include "dawn_native/metal/BackendMTL.h"
 
+#include "dawn_native/Instance.h"
 #include "dawn_native/MetalBackend.h"
 #include "dawn_native/metal/DeviceMTL.h"
 
@@ -152,6 +153,9 @@
     // Implementation of the Metal backend's BackendConnection
 
     Backend::Backend(InstanceBase* instance) : BackendConnection(instance, BackendType::Metal) {
+        if (GetInstance()->IsBackendValidationEnabled()) {
+            setenv("METAL_DEVICE_WRAPPER_TYPE", "1", 1);
+        }
     }
 
     std::vector<std::unique_ptr<AdapterBase>> Backend::DiscoverDefaultAdapters() {