video_core: Rewrite vulkan and videoout

src/sdl_window.h

@@ -0,0 +1,77 @@
+// SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/types.h"
+
+struct SDL_Window;
+union SDL_Event;
+
+namespace Input {
+class GameController;
+}
+
+namespace Frontend {
+
+enum class WindowSystemType : u8 {
+    Headless,
+    Windows,
+    X11,
+    Wayland,
+};
+
+struct WindowSystemInfo {
+    // Window system type. Determines which GL context or Vulkan WSI is used.
+    WindowSystemType type = WindowSystemType::Headless;
+
+    // Connection to a display server. This is used on X11 and Wayland platforms.
+    void* display_connection = nullptr;
+
+    // Render surface. This is a pointer to the native window handle, which depends
+    // on the platform. e.g. HWND for Windows, Window for X11. If the surface is
+    // set to nullptr, the video backend will run in headless mode.
+    void* render_surface = nullptr;
+
+    // Scale of the render surface. For hidpi systems, this will be >1.
+    float render_surface_scale = 1.0f;
+};
+
+class WindowSDL {
+public:
+    explicit WindowSDL(s32 width, s32 height, Input::GameController* controller);
+    ~WindowSDL();
+
+    s32 getWidth() const {
+        return width;
+    }
+
+    s32 getHeight() const {
+        return height;
+    }
+
+    bool isOpen() const {
+        return is_open;
+    }
+
+    WindowSystemInfo getWindowInfo() const {
+        return window_info;
+    }
+
+    void waitEvent();
+
+private:
+    void onResize();
+    void onKeyPress(const SDL_Event* event);
+
+private:
+    s32 width;
+    s32 height;
+    Input::GameController* controller;
+    WindowSystemInfo window_info{};
+    SDL_Window* window{};
+    bool is_shown{};
+    bool is_open{true};
+};
+
+} // namespace Frontend