Fix OpenGL ImGui shutdown. Fix config folder on Windows.

qt/src/EmuCanvasOpenGL.cpp

@@ -332,6 +332,12 @@ void EmuCanvasOpenGL::paintEvent(QPaintEvent *event)
 void EmuCanvasOpenGL::deinit()
 {
     shader_parameters_dialog.reset();
+    if (ImGui::GetCurrentContext())
+    {
+        ImGui_ImplOpenGL3_Shutdown();
+        ImGui::DestroyContext();
+    }
+
     context.reset();
 }
 

qt/src/EmuConfig.cpp

@@ -144,6 +144,7 @@ std::string EmuConfig::findConfigDir()
     char *dir;
     fs::path path;
 
+#ifndef _WIN32
     if ((dir = getenv("XDG_CONFIG_HOME")))
     {
         path = dir;
@@ -158,9 +159,23 @@ std::string EmuConfig::findConfigDir()
     {
         path = "./.snes9x";
     }
+#else
+    if ((dir = getenv("LOCALAPPDATA")))
+    {
+        path = dir;
+        path /= "Snes9x";
+    }
+    else if ((dir = getenv("APPDATA")))
+    {
+        path = dir;
+        path /= "Snes9x";
+    }
+    else
+        path = "snes9x";
+#endif
 
     if (!fs::exists(path))
-        fs::create_directory(path);
+        fs::create_directories(path);
 
     return path.string();
 }

qt/src/Snes9xController.cpp

@@ -408,7 +408,7 @@ std::string S9xGetDirectory(s9x_getdirtype dirtype)
 
         if (!fs::exists(path))
         {
-            fs::create_directory(path);
+            fs::create_directories(path);
         }
         else if ((fs::status(path).permissions() & fs::perms::owner_write) == fs::perms::none)
         {