VideoBackends: Simplify initialization and deinitialization of resources

Approximately three or four times now, the issue of pointers being
in an inconsistent state been an issue in the video backend renderers
with regards to tripping up other developers.

Global (ugh) resources are put into a unique_ptr and will always have a
well-defined state of being - null or not null

1 files changed, 4 insertions, 3 deletions

diff --git a/Source/Core/VideoBackends/Software/SWOGLWindow.cpp b/Source/Core/VideoBackends/Software/SWOGLWindow.cpp
index be4ee68e32..cd411610ed 100644
--- a/Source/Core/VideoBackends/Software/SWOGLWindow.cpp
+++ b/Source/Core/VideoBackends/Software/SWOGLWindow.cpp
@@ -2,6 +2,8 @@
 // Licensed under GPLv2+
 // Refer to the license.txt file included.
 
+#include <memory>
+
 #include "Common/GL/GLInterfaceBase.h"
 #include "Common/GL/GLUtil.h"
 #include "Common/Logging/Log.h"
@@ -25,10 +27,9 @@ void SWOGLWindow::Init(void *window_handle)
 void SWOGLWindow::Shutdown()
 {
 	GLInterface->Shutdown();
-	delete GLInterface;
-	GLInterface = nullptr;
+	GLInterface.reset();
 
-	SWOGLWindow::s_instance.release();
+	s_instance.reset();
 }
 
 void SWOGLWindow::Prepare()