#pragma once 

#include <cstdint>
#include <memory>
#include <optional>
#include <vk_mem_alloc.h>
#include <vulkan/vulkan_core.h>
namespace iris {

struct BufferDesc {
    uint64_t size;
    std::optional<uint64_t> alignment;
    VkBufferUsageFlags buffer_usage;
    VmaMemoryUsage memory_usage;
};

struct Buffer_tt {
    VkBuffer handle;
    BufferDesc desc;

    // Used during release
    VkDevice device;
    VmaAllocator allocator;
    VmaAllocation allocation;
    void release();

    // Used during map/unmap
    std::optional<void *> mapped_data;
    void *map();
    void unmap();
    
    ~Buffer_tt() { release(); }
};

typedef std::shared_ptr<Buffer_tt> Buffer_s;

} // namespace iris