From 7d56022a6445afa2fffe17d3cb390fd29dc49adb Mon Sep 17 00:00:00 2001
From: Mark Henderson <mehe@google.com>
Date: Wed, 29 Jan 2020 23:11:17 +0000
Subject: [PATCH] Make Vulkan's surface config available before the swap chain
 is actually created/

Change-Id: I9da1c9f513d26aa95b40f97908bfc3a54c843053
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15541
Commit-Queue: Mark Henderson <mehe@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>
---
 src/dawn_native/vulkan/NativeSwapChainImplVk.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/dawn_native/vulkan/NativeSwapChainImplVk.cpp b/src/dawn_native/vulkan/NativeSwapChainImplVk.cpp
index e359d7033f..a330d71165 100644
--- a/src/dawn_native/vulkan/NativeSwapChainImplVk.cpp
+++ b/src/dawn_native/vulkan/NativeSwapChainImplVk.cpp
@@ -66,6 +66,9 @@ namespace dawn_native { namespace vulkan {
 
     NativeSwapChainImpl::NativeSwapChainImpl(Device* device, VkSurfaceKHR surface)
         : mSurface(surface), mDevice(device) {
+        // Call this immediately, so that BackendBinding::GetPreferredSwapChainTextureFormat
+        // will return a correct result before a SwapChain is created.
+        UpdateSurfaceConfig();
     }
 
     NativeSwapChainImpl::~NativeSwapChainImpl() {