wayland: Move wayland files into common folder

src/common/wayland/window_info.h

@@ -0,0 +1,33 @@
+#pragma once
+#include "common/common_types.h"
+
+// Contains the information required to create a graphics context in a window.
+struct WindowInfo {
+    enum class Type {
+        Surfaceless,
+        Win32,
+        X11,
+        Wayland,
+        MacOS,
+        Android,
+        Display,
+    };
+
+    enum class SurfaceFormat { None, Auto, RGB8, RGBA8, RGB565, Count };
+
+    Type type = Type::Surfaceless;
+    void* display_connection = nullptr;
+    void* window_handle = nullptr;
+    citra::u32 surface_width = 0;
+    citra::u32 surface_height = 0;
+    float surface_refresh_rate = 0.0f;
+    float surface_scale = 1.0f;
+    SurfaceFormat surface_format = SurfaceFormat::RGB8;
+
+    // Needed for macOS.
+#ifdef __APPLE__
+    void* surface_handle = nullptr;
+#endif
+
+    static bool QueryRefreshRateForWindow(const WindowInfo& wi, float* refresh_rate);
+};