From c416cbb61dee64d6d4c6cecaf34cd26a9750533c Mon Sep 17 00:00:00 2001
From: "Dr. Chat" <arkolbed@gmail.com>
Date: Sat, 28 Jan 2017 11:42:50 -0600
Subject: [PATCH] Vulkan CP: Specify wait stage for swap sync

---
 src/xenia/gpu/vulkan/vulkan_command_processor.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/xenia/gpu/vulkan/vulkan_command_processor.cc b/src/xenia/gpu/vulkan/vulkan_command_processor.cc
index b6e2398fa..0e87dcfb9 100644
--- a/src/xenia/gpu/vulkan/vulkan_command_processor.cc
+++ b/src/xenia/gpu/vulkan/vulkan_command_processor.cc
@@ -391,8 +391,13 @@ void VulkanCommandProcessor::PerformSwap(uint32_t frontbuffer_ptr,
     submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
     submit_info.commandBufferCount = uint32_t(submit_buffers.size());
     submit_info.pCommandBuffers = submit_buffers.data();
+    
+    VkPipelineStageFlags sem_waits[1];
+    sem_waits[0] = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
     submit_info.waitSemaphoreCount = 1;
     submit_info.pWaitSemaphores = &swap_sem;
+    submit_info.pWaitDstStageMask = sem_waits;
+
     submit_info.signalSemaphoreCount = 1;
     submit_info.pSignalSemaphores = &swap_sem;