From 0a61d13d64f5901514d2dca4b9894c895053d8c0 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Thu, 4 Jun 2015 22:29:07 +0200
Subject: [PATCH] Make sure we don't get wrapped DXGI objects created with NULL
 inner ptrs

---
 renderdoc/driver/dxgi/dxgi_wrapped.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/renderdoc/driver/dxgi/dxgi_wrapped.cpp b/renderdoc/driver/dxgi/dxgi_wrapped.cpp
index 54dac7607..37ad5418e 100644
--- a/renderdoc/driver/dxgi/dxgi_wrapped.cpp
+++ b/renderdoc/driver/dxgi/dxgi_wrapped.cpp
@@ -473,6 +473,12 @@ HRESULT WrappedIDXGISwapChain2::Present1(UINT SyncInterval, UINT Flags, const DX
 
 bool RefCountDXGIObject::HandleWrap(REFIID riid, void **ppvObject)
 {
+	if(ppvObject == NULL || *ppvObject == NULL)
+	{
+		RDCWARN("HandleWrap called with NULL ppvObject");
+		return false;
+	}
+
 	if(riid == __uuidof(IDXGIDevice))
 	{
 		// should have been handled elsewhere, so we can properly create this device