Add scope acquire context to simplify MakeCurrent and DoneCurrent calls

src/core/CMakeLists.txt

@@ -106,6 +106,8 @@ add_library(core STATIC
     frontend/input.h
     frontend/mic.h
     frontend/mic.cpp
+    frontend/scope_acquire_context.cpp
+    frontend/scope_acquire_context.h
     gdbstub/gdbstub.cpp
     gdbstub/gdbstub.h
     hle/applets/applet.cpp

src/core/frontend/scope_acquire_context.cpp

@@ -0,0 +1,17 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/frontend/emu_window.h"
+#include "core/frontend/scope_acquire_context.h"
+
+namespace Frontend {
+
+ScopeAcquireContext::ScopeAcquireContext(Frontend::GraphicsContext& context) : context{context} {
+    context.MakeCurrent();
+}
+ScopeAcquireContext::~ScopeAcquireContext() {
+    context.DoneCurrent();
+}
+
+} // namespace Frontend

src/core/frontend/scope_acquire_context.h

@@ -0,0 +1,23 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Frontend {
+
+class GraphicsContext;
+
+/// Helper class to acquire/release window context within a given scope
+class ScopeAcquireContext : NonCopyable {
+public:
+    explicit ScopeAcquireContext(Frontend::GraphicsContext& context);
+    ~ScopeAcquireContext();
+
+private:
+    Frontend::GraphicsContext& context;
+};
+
+} // namespace Frontend