#pragma once

#include "graphics/Volatile.h"
#include "modules/graphics/StreamBuffer.h"
#include "graphics/Graphics.h"

#include "VulkanWrapper.h"

namespace love
{
namespace graphics
{
namespace vulkan
{

class Graphics;

class StreamBuffer
	: public love::graphics::StreamBuffer
	, public graphics::Volatile
{
public:
	StreamBuffer(graphics::Graphics *gfx, BufferUsage mode, size_t size);
	virtual ~StreamBuffer();

	virtual bool loadVolatile() override;

	virtual void unloadVolatile() override;

	MapInfo map(size_t minsize) override;
	size_t unmap(size_t usedSize) override;
	void markUsed(size_t usedSize) override;

	void nextFrame() override;

	ptrdiff_t getHandle() const override;

private:
	Graphics *vgfx = nullptr;
	VmaAllocator allocator;
	VmaAllocation allocation;
	VmaAllocationInfo allocInfo;
	VkBuffer buffer = VK_NULL_HANDLE;
	size_t usedGPUMemory;

};

} // vulkan
} // graphics
} // love