From f1da3ec584e5956c8090ac9a958447e4f5e78da2 Mon Sep 17 00:00:00 2001
From: James Rowe <jroweboy@gmail.com>
Date: Mon, 30 Mar 2020 14:52:46 -0600
Subject: Frontend: Don't call DoneCurrent if the context isnt already current

---
 src/yuzu/bootmanager.cpp                       |  5 ++++-
 src/yuzu_cmd/emu_window/emu_window_sdl2_gl.cpp | 10 +++++++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/yuzu/bootmanager.cpp b/src/yuzu/bootmanager.cpp
index 4e9ced8ba..eaded2640 100644
--- a/src/yuzu/bootmanager.cpp
+++ b/src/yuzu/bootmanager.cpp
@@ -141,7 +141,7 @@ public:
     }
 
     ~OpenGLSharedContext() {
-        context->doneCurrent();
+        DoneCurrent();
     }
 
     void SwapBuffers() override {
@@ -156,6 +156,9 @@ public:
     }
 
     void DoneCurrent() override {
+        if (!is_current) {
+            return;
+        }
         context->doneCurrent();
         is_current = false;
     }
diff --git a/src/yuzu_cmd/emu_window/emu_window_sdl2_gl.cpp b/src/yuzu_cmd/emu_window/emu_window_sdl2_gl.cpp
index ee61179a0..3522dcf6d 100644
--- a/src/yuzu_cmd/emu_window/emu_window_sdl2_gl.cpp
+++ b/src/yuzu_cmd/emu_window/emu_window_sdl2_gl.cpp
@@ -37,16 +37,24 @@ public:
     }
 
     void MakeCurrent() override {
-        SDL_GL_MakeCurrent(window, context);
+        if (is_current) {
+            return;
+        }
+        is_current = SDL_GL_MakeCurrent(window, context) == 0;
     }
 
     void DoneCurrent() override {
+        if (!is_current) {
+            return;
+        }
         SDL_GL_MakeCurrent(window, nullptr);
+        is_current = false;
     }
 
 private:
     SDL_Window* window;
     SDL_GLContext context;
+    bool is_current = false;
 };
 
 bool EmuWindow_SDL2_GL::SupportsRequiredGLExtensions() {
-- 
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