demos: Wait for fences before destroying swapchain

Addresses  GH #1048

Change-Id: Ie94796bcd13dc506e1b97c483763df9023567ac6

1 files changed, 3 insertions, 0 deletions

diff --git a/demos/cube.cpp b/demos/cube.cpp
index 082ab4d0..588d1cd9 100644
--- a/demos/cube.cpp
+++ b/demos/cube.cpp
@@ -1339,6 +1339,9 @@ struct Demo {
         // Note: destroying the swapchain also cleans up all its associated
         // presentable images once the platform is done with them.
         if (oldSwapchain) {
+            // AMD driver times out waiting on fences used in AcquireNextImage on
+            // a swapchain that is subsequently destroyed before the wait.
+            device.waitForFences(FRAME_LAG, fences, VK_TRUE, UINT64_MAX);
             device.destroySwapchainKHR(oldSwapchain, nullptr);
         }