From 43a0a815b8146d7ce596e281267ccd6565e9619e Mon Sep 17 00:00:00 2001
From: Corentin Wallez <cwallez@chromium.org>
Date: Mon, 3 Feb 2020 08:56:04 +0000
Subject: [PATCH] Fix examples running with the wire.

The SampleUtils uses CreateSwapChain with a nullptr surface. This is
currently valid with implementation-based swapchains so the argument
should be tagged as optional.

Bug: dawn:269
Change-Id: Ic00d5a67fb038d2771174bb36f99b66b84f1a252
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15680
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
---
 dawn.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dawn.json b/dawn.json
index b849ff8ff3..434ad14d8b 100644
--- a/dawn.json
+++ b/dawn.json
@@ -595,7 +595,7 @@
                 "name": "create swap chain",
                 "returns": "swap chain",
                 "args": [
-                    {"name": "surface", "type": "surface"},
+                    {"name": "surface", "type": "surface", "optional": "true"},
                     {"name": "descriptor", "type": "swap chain descriptor", "annotation": "const*"}
                 ]
             },