From 36d8bb77a596c42c44d0b4f6782d72209e1d5c31 Mon Sep 17 00:00:00 2001
From: Robin Kertels <robin.kertels@gmail.com>
Date: Mon, 8 Aug 2022 23:46:10 +0200
Subject: [PATCH] [d3d9] Fix synchronization in UpdateTextureFromBuffer

---
 src/d3d9/d3d9_device.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/d3d9/d3d9_device.cpp b/src/d3d9/d3d9_device.cpp
index b078f660..4d445514 100644
--- a/src/d3d9/d3d9_device.cpp
+++ b/src/d3d9/d3d9_device.cpp
@@ -4427,6 +4427,12 @@ namespace dxvk {
 
     auto convertFormat = pDestTexture->GetFormatMapping().ConversionFormatInfo;
 
+    if (unlikely(pSrcTexture->NeedsReadback(SrcSubresource))) {
+      const Rc<DxvkBuffer>& buffer = pSrcTexture->GetBuffer(SrcSubresource, false);
+      WaitForResource(buffer, pSrcTexture->GetMappingBufferSequenceNumber(SrcSubresource), 0);
+      pSrcTexture->SetNeedsReadback(SrcSubresource, false);
+    }
+
     if (likely(convertFormat.FormatType == D3D9ConversionFormat_None)) {
       VkOffset3D alignedDestOffset = {
         int32_t(alignDown(DestOffset.x, formatInfo->blockSize.width)),