gaming-core/modules/VulkanWrapper.cppm

export module Core.VulkanWrapper;

export import Core.Vulkan;
export import Core.List;
export import Core.Types;
export import Core.VulkanBase;

import Core.Meta;

export namespace Core::Vulkan {
    bool init();
    void render();
    void destroy();

    template<typename T>
    struct BaseWrapper {
        VkDevice device = VK_NULL_HANDLE;
        T handle = VK_NULL_HANDLE;

        BaseWrapper() noexcept = default;
        BaseWrapper(const BaseWrapper&) = delete;

        BaseWrapper(BaseWrapper&& o) noexcept : BaseWrapper() {
            swap(o);
        }

        BaseWrapper& operator=(const BaseWrapper&) = delete;

        BaseWrapper& operator=(BaseWrapper&& o) noexcept {
            swap(o);
            return *this;
        }

        void swap(BaseWrapper& o) noexcept {
            Core::swap(device, o.device);
            Core::swap(handle, o.handle);
        }

        operator T() noexcept {
            return handle;
        }

        operator T*() noexcept {
            return &handle;
        }

        operator const T*() const noexcept {
            return &handle;
        }
    };

    struct ImageView : public BaseWrapper<VkImageView> {
        ImageView() noexcept = default;
        ImageView(ImageView&&) noexcept = default;
        ImageView& operator=(ImageView&&) noexcept = default;
        ~ImageView();
        bool init(VkDevice d, VkImage image, VkFormat format);
    };

    struct Framebuffer : public BaseWrapper<VkFramebuffer> {
        Framebuffer() noexcept = default;
        Framebuffer(Framebuffer&&) noexcept = default;
        Framebuffer& operator=(Framebuffer&&) noexcept = default;
        ~Framebuffer();
        bool init(const ImageView& iv, VkRenderPass rp, u32 width, u32 height);
    };

    struct Semaphore : public BaseWrapper<VkSemaphore> {
        Semaphore() noexcept = default;
        Semaphore(Semaphore&&) noexcept = default;
        Semaphore& operator=(Semaphore&&) noexcept = default;
        ~Semaphore();
        bool init(VkDevice d);
    };

    struct Fence : public BaseWrapper<VkFence> {
        Fence() = default;
        Fence(Fence&&) = default;
        ~Fence();
        bool init(VkDevice d);
        void reset();
        void waitFor(u64 timeout = 0xFFFF'FFFF'FFFF'FFFF);
    };

    enum class SwapchainResult { SUCCESS, RECREATE, ERROR_RECREATE, ERROR };

    struct Swapchain : public BaseWrapper<VkSwapchainKHR> {
        Swapchain() = default;
        Swapchain(Swapchain&&) = default;
        ~Swapchain();

        struct Data {
            Base& base;
            VkExtent2D size{};
            VkSurfaceFormatKHR surfaceFormat{};
            VkPresentModeKHR presentMode{};
            VkSharingMode sharingMode{};
            List<u32> queueFamilies{};
        };

        bool init(Data& d);
        SwapchainResult nextImage(
            u32& imageIndex, Semaphore& s, u64 timeout = 0xFFFF'FFFF'FFFF'FFFF);
    };

    struct ShaderModule : public BaseWrapper<VkShaderModule> {
        ShaderModule() = default;
        ShaderModule(ShaderModule&&) = default;
        ~ShaderModule();
        bool init(VkDevice d, const char* path);
    };

    struct PipelineLayout : public BaseWrapper<VkPipelineLayout> {
        PipelineLayout() = default;
        PipelineLayout(PipelineLayout&&) = default;
        ~PipelineLayout();
        bool init(VkDevice d);
    };

    struct SwapchainImages {
        List<VkImage> images{};
        List<ImageView> imageViews{};
        List<Semaphore> renderFinishedSemaphore{};

        bool init(const Swapchain& s, VkFormat format);
    };

    struct RenderPass : public BaseWrapper<VkRenderPass> {
        RenderPass() = default;
        RenderPass(RenderPass&&) = default;
        ~RenderPass();
        bool init(VkDevice d, VkFormat format);
    };

    struct Pipeline : public BaseWrapper<VkPipeline> {
        VkViewport viewport;
        VkRect2D scissor;

        Pipeline();
        Pipeline(Pipeline&&) = default;
        ~Pipeline();
        void updateSize(u32 width, u32 height);
        bool init(
            PipelineLayout& pl, RenderPass& rp,
            const List<VkVertexInputBindingDescription>& bd,
            const List<VkVertexInputAttributeDescription>& ad);
    };

    struct CommandPool : public BaseWrapper<VkCommandPool> {
        CommandPool() = default;
        CommandPool(CommandPool&&) = default;
        ~CommandPool();
        bool init(VkDevice d, u32 queueFamily);
    };

    struct CommandBuffer : public BaseWrapper<VkCommandBuffer> {
        CommandBuffer() = default;
        CommandBuffer(CommandBuffer&&) = default;
        bool init(CommandPool& cp);
        void reset();
        void begin();
        void end();
        void beginRenderPass(
            RenderPass& rp, Framebuffer& f, const VkExtent2D& size);
        void endRenderPass();
        void bindPipeline(Pipeline& p);
        void draw(u32 vertices);
    };

    struct Queue : public BaseWrapper<VkQueue> {
        Queue() = default;
        Queue(Queue&&) = default;
        bool init(VkDevice d, u32 queueFamily);
        void submit(
            CommandBuffer& cb, Fence& f, Semaphore& wait, Semaphore& signal,
            VkPipelineStageFlags flags);
        SwapchainResult present(Semaphore& signal, Swapchain& s, u32 index);
    };

    struct VertexBuffer : public BaseWrapper<VkBuffer> {
        VkDeviceMemory memory;

        VertexBuffer();
        VertexBuffer(const VertexBuffer&) = delete;
        VertexBuffer(VertexBuffer&&) = default;
        ~VertexBuffer();
        VertexBuffer& operator=(const VertexBuffer&) = delete;
        bool init(Base& base, size_t size, const void* data);
    };
}