From acb38757cd5be62078676e4dce4dfd390231f7cf Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Wed, 2 Dec 2015 20:40:50 +0100
Subject: [PATCH] Add error if flushing an unmapped region of memory

---
 renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp b/renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp
index ae11bee59..e2fda4c0f 100644
--- a/renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp
+++ b/renderdoc/driver/vulkan/wrappers/vk_resource_funcs.cpp
@@ -531,6 +531,12 @@ VkResult WrappedVulkan::vkFlushMappedMemoryRanges(
 			MemMapState *state = GetRecord(pMemRanges[i].mem)->memMapState;
 			state->mapFlushed = true;
 
+			if(state->mappedPtr == NULL)
+			{
+				RDCERR("Flushing memory that isn't currently mapped");
+				continue;
+			}
+
 			if(capframe)
 			{
 				CACHE_THREAD_SERIALISER();