From ff92cc2ba322362cad3bce1c8da4e223169a8b34 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Fri, 24 Sep 2021 14:04:07 +0100
Subject: [PATCH] Don't flush coherent maps on vulkan when there are no command
 buffers

* Normally this is handled by checking referenced IDs, but we now
  unconditionally flush memory with BDA buffers bound to it.
---
 renderdoc/driver/vulkan/wrappers/vk_queue_funcs.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/renderdoc/driver/vulkan/wrappers/vk_queue_funcs.cpp b/renderdoc/driver/vulkan/wrappers/vk_queue_funcs.cpp
index 0d191aecd..6d9730e09 100644
--- a/renderdoc/driver/vulkan/wrappers/vk_queue_funcs.cpp
+++ b/renderdoc/driver/vulkan/wrappers/vk_queue_funcs.cpp
@@ -998,6 +998,9 @@ void WrappedVulkan::CaptureQueueSubmit(VkQueue queue,
       GetResourceManager()->MarkResourceFrameReferenced(GetResID(fence), eFrameRef_Read);
 
     rdcarray<VkResourceRecord *> maps;
+
+    // don't flush maps when there are no command buffers
+    if(!commandBuffers.empty())
     {
       SCOPED_LOCK(m_CoherentMapsLock);
       maps = m_CoherentMaps;