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// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#pragma once

#include <memory>

#include "common/common_types.h"
#include "video_core/buffer_cache/buffer_cache.h"
#include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
#include "video_core/renderer_vulkan/vk_stream_buffer.h"
#include "video_core/vulkan_common/vulkan_memory_allocator.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"

namespace Vulkan {

class Device;
class VKScheduler;

class Buffer final : public VideoCommon::BufferBlock {
public:
    explicit Buffer(const Device& device, MemoryAllocator& memory_allocator, VKScheduler& scheduler,
                    StagingBufferPool& staging_pool, VAddr cpu_addr_, std::size_t size_);
    ~Buffer();

    void Upload(std::size_t offset, std::size_t data_size, const u8* data);

    void Download(std::size_t offset, std::size_t data_size, u8* data);

    void CopyFrom(const Buffer& src, std::size_t src_offset, std::size_t dst_offset,
                  std::size_t copy_size);

    VkBuffer Handle() const {
        return *buffer;
    }

    u64 Address() const {
        return 0;
    }

private:
    const Device& device;
    VKScheduler& scheduler;
    StagingBufferPool& staging_pool;

    vk::Buffer buffer;
    MemoryCommit commit;
};

class VKBufferCache final : public VideoCommon::BufferCache<Buffer, VkBuffer, VKStreamBuffer> {
public:
    explicit VKBufferCache(VideoCore::RasterizerInterface& rasterizer,
                           Tegra::MemoryManager& gpu_memory, Core::Memory::Memory& cpu_memory,
                           const Device& device, MemoryAllocator& memory_allocator,
                           VKScheduler& scheduler, VKStreamBuffer& stream_buffer,
                           StagingBufferPool& staging_pool);
    ~VKBufferCache();

    BufferInfo GetEmptyBuffer(std::size_t size) override;

protected:
    std::shared_ptr<Buffer> CreateBlock(VAddr cpu_addr, std::size_t size) override;

private:
    const Device& device;
    MemoryAllocator& memory_allocator;
    VKScheduler& scheduler;
    StagingBufferPool& staging_pool;
};

} // namespace Vulkan