VulkanWindow.h

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* ngscopeclient                                                                                                        *
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* Copyright (c) 2012-2024 Andrew D. Zonenberg                                                                          *
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#ifndef VulkanWindow_h
#define VulkanWindow_h
 
class Texture;
 
class VulkanWindow
{
public:
    VulkanWindow(const std::string& title, std::shared_ptr<QueueHandle> queue);
    virtual ~VulkanWindow();
 
    GLFWwindow* GetWindow()
    { return m_window; }
 
    // Return a DPI 'scale' value where 1 ~= 96DPI
    // Akin to uses of `get_pango_context()->get_resolution() / 96` in glscopeclient
    float GetContentScale();
 
    virtual void Render();
 
    std::shared_ptr<QueueHandle> GetRenderQueue()
    { return m_renderQueue; }
 
    void AddTextureUsedThisFrame(std::shared_ptr<Texture> tex)
    { m_texturesUsedThisFrame[m_frameIndex].emplace(tex); }
 
    bool IsFullscreen()
    { return m_fullscreen; }
 
protected:
    bool UpdateFramebuffer();
    void SetFullscreen(bool fullscreen);
 
    virtual void DoRender(vk::raii::CommandBuffer& cmdBuf);
    virtual void RenderUI();
 
    GLFWwindow* m_window;
 
    ImGuiContext* m_context;
 
    std::shared_ptr<vk::raii::SurfaceKHR> m_surface;
 
    std::shared_ptr<vk::raii::DescriptorPool> m_imguiDescriptorPool;
 
    std::shared_ptr<QueueHandle> m_renderQueue;
 
    bool m_resizeEventPending;
 
    bool m_softwareResizeRequested;
 
    int m_pendingWidth;
 
    int m_pendingHeight;
 
    std::unique_ptr<vk::raii::CommandPool> m_cmdPool;
 
    std::vector<std::unique_ptr<vk::raii::CommandBuffer> > m_cmdBuffers;
 
    std::vector<std::unique_ptr<vk::raii::Semaphore> > m_imageAcquiredSemaphores;
 
    std::vector<std::unique_ptr<vk::raii::Semaphore> > m_renderCompleteSemaphores;
 
    uint32_t m_semaphoreIndex;
 
    uint32_t m_frameIndex;
 
    uint32_t m_lastFrameIndex;
 
    std::vector<std::unique_ptr<vk::raii::Fence> > m_fences;
 
    std::vector<std::unique_ptr<vk::raii::ImageView> > m_backBufferViews;
 
    std::vector<std::unique_ptr<vk::raii::Framebuffer> > m_framebuffers;
 
    std::unique_ptr<vk::raii::RenderPass> m_renderPass;
 
    std::unique_ptr<vk::raii::SwapchainKHR> m_swapchain;
 
    #if VK_HEADER_VERSION >= 229
        std::vector<vk::Image> m_backBuffers;
    #else
        std::vector<VkImage> m_backBuffers;
    #endif
 
    int m_minImageCount;
 
    int m_width;
 
    int m_height;
 
    bool m_fullscreen;
 
    int m_windowedX;
 
    int m_windowedY;
 
    int m_windowedWidth;
 
    int m_windowedHeight;
 
    std::vector< std::set<std::shared_ptr<Texture> > > m_texturesUsedThisFrame;
 
};
 
#endif