VKBuffer.h

// Copyright 2022 ShenMian
// License(Apache-2.0)
 
#pragma once
 
#include "Buffer.h"
#include "VKRenderer.h"
#include <vulkan/vulkan.h>
 
class VKBuffer : public Buffer
{
public:
    VKBuffer(size_t size, Buffer::Type type, Buffer::Usage usage, VkMemoryPropertyFlags properties);
    virtual ~VKBuffer();
 
    void map(size_t size = VK_WHOLE_SIZE, size_t offset = 0) override;
    void unmap() override;
    void flush(size_t size = VK_WHOLE_SIZE, size_t offset = 0) override;
 
    operator VkBuffer() noexcept;
    operator VkBuffer() const noexcept;
 
private:
    uint32_t find_memory_type(uint32_t type, VkMemoryPropertyFlags properties) const;
 
    VkBuffer       handle_;
    VkDeviceMemory memory_;
 
    VKRenderer* renderer_;
};