From 2aeef063c110f4aa870e1534038184c77b15e442 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 22 Jan 2019 15:57:57 +0100
Subject: [PATCH] [dxvk] Properly support TOP_OF_PIPE and BOTTOM_OF_PIPE for
 barriers

---
 src/dxvk/dxvk_barrier.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/dxvk/dxvk_barrier.cpp b/src/dxvk/dxvk_barrier.cpp
index 34734e3a..0ad2a649 100644
--- a/src/dxvk/dxvk_barrier.cpp
+++ b/src/dxvk/dxvk_barrier.cpp
@@ -16,6 +16,10 @@ namespace dxvk {
     m_srcStages |= srcStages;
     m_dstStages |= dstStages;
     
+    if (srcStages == VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT
+     || dstStages == VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT)
+      access.set(DxvkAccess::Write);
+    
     if (access.test(DxvkAccess::Write)) {
       VkBufferMemoryBarrier barrier;
       barrier.sType               = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER;
@@ -48,7 +52,9 @@ namespace dxvk {
     m_srcStages |= srcStages;
     m_dstStages |= dstStages;
     
-    if (srcLayout != dstLayout)
+    if (srcStages == VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT
+     || dstStages == VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT
+     || srcLayout != dstLayout)
       access.set(DxvkAccess::Write);
     
     if (access.test(DxvkAccess::Write)) {