upload_buffer.h

#pragma once

#include "renderer/d3d12_includes.h"
#include "renderer/device.h"
#include "renderer/buffers/gpu_buffer.h"
#include "renderer/buffers/byte_address_buffer.h"

#include "util/string.h"

namespace blowbox
{
    class UploadBuffer : public GpuBuffer
    {
    public:
        void Create(const WString& name, UINT num_elements, UINT element_size, void* initial_data = nullptr);

        virtual void CreateDerivedViews() override;

        virtual void Destroy() override;

        void Map(); 
        void Unmap(); 

        void InsertDataByElement(UINT element_id, void* data);

        void InsertDataByElement(UINT element_id, const void* data);

        void ClearDataByElement(UINT element_id);

        void InsertDataByBuffer(void* data, UINT size_of_data_in_bytes);

        void ClearDataByBuffer();

        D3D12_GPU_VIRTUAL_ADDRESS GetAddressByElement(UINT element_id);

        BYTE* GetMappedData();
    private:
        bool is_mapped_ = false;        
        BYTE* mapped_data_ = nullptr;   
    };
}