From 175385481e72dc52710d3c605f111b4522debd04 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Thu, 1 Nov 2018 21:48:22 +0100
Subject: [PATCH] [dxvk] Insert barrier before CS image view clear only if
 needed

Removes one unnecessary sync point in Claybook.
---
 src/dxvk/dxvk_context.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/dxvk/dxvk_context.cpp b/src/dxvk/dxvk_context.cpp
index eb0a9a4e9..9b579a95b 100644
--- a/src/dxvk/dxvk_context.cpp
+++ b/src/dxvk/dxvk_context.cpp
@@ -1630,7 +1630,11 @@ namespace dxvk {
     this->spillRenderPass();
     this->unbindComputePipeline();
     
-    m_barriers.recordCommands(m_cmd);
+    if (m_barriers.isImageDirty(
+          imageView->image(),
+          imageView->subresources(),
+          DxvkAccess::Write))
+      m_barriers.recordCommands(m_cmd);
     
     // Query pipeline objects to use for this clear operation
     DxvkMetaClearPipeline pipeInfo = m_metaClear->getClearImagePipeline(