From 146fbd492f57fccdfc0659be2a96bdb60f0102cb Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Fri, 18 Feb 2022 18:13:28 +0100
Subject: [PATCH] [dxvk] Free existing staging buffer before creating a new one

---
 src/dxvk/dxvk_staging.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/dxvk/dxvk_staging.cpp b/src/dxvk/dxvk_staging.cpp
index ecade411..0daa725c 100644
--- a/src/dxvk/dxvk_staging.cpp
+++ b/src/dxvk/dxvk_staging.cpp
@@ -39,6 +39,9 @@ namespace dxvk {
     if (alignedOffset + alignedSize > m_size || m_buffer == nullptr) {
       info.size = m_size;
 
+      // Free resources first if possible, in some rare
+      // situations this may help avoid a memory allocation.
+      m_buffer = nullptr;
       m_buffer = m_device->createBuffer(info,
         VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT);
       alignedOffset = 0;