bootmanager: Ensure that we have a context for shader loading.

src/yuzu/bootmanager.cpp

@@ -20,10 +20,7 @@
 EmuThread::EmuThread(GRenderWindow* render_window) : render_window(render_window) {}
 
 void EmuThread::run() {
-    if (!Settings::values.use_multi_core) {
-        // Single core mode must acquire OpenGL context for entire emulation session
-        render_window->MakeCurrent();
-    }
+    render_window->MakeCurrent();
 
     MicroProfileOnThreadCreate("EmuThread");
 
@@ -38,6 +35,11 @@ void EmuThread::run() {
 
     emit LoadProgress(VideoCore::LoadCallbackStage::Complete, 0, 0);
 
+    if (Settings::values.use_asynchronous_gpu_emulation) {
+        // Release OpenGL context for the GPU thread
+        render_window->DoneCurrent();
+    }
+
     // holds whether the cpu was running during the last iteration,
     // so that the DebugModeLeft signal can be emitted before the
     // next execution step