KSG-Framework/DX12Buffer.h

#pragma once
#include <d3d12.h>

#include "DXBuffer.h"

namespace Framework
{
    class DX12CommandQueue;

    //! A buffer with data in graphics memory
    class DX12Buffer : public DXBuffer
    {
    protected:
        D3D12_RESOURCE_DESC* description;
        ID3D12Resource* buffer;
        ID3D12Device5* zDevice;
        DX12CommandQueue* queue;
        D3D12_RESOURCE_STATES currentState;

    public:
        //! Constructor
        //! eSize: The length of an element in bytes
        DLLEXPORT DX12Buffer(int eSize,
            ID3D12Device5* zDevice,
            DX12CommandQueue* queue,
            int bindFlags);
        //! Destructor
        DLLEXPORT virtual ~DX12Buffer();
        //! Copies the data into the buffer if it has changed
        DLLEXPORT virtual void copyToGPU(__int64 byteCount = -1) override;
        DLLEXPORT void createBufferWithoutData(D3D12_RESOURCE_STATES states,
            D3D12_HEAP_TYPE heapType = D3D12_HEAP_TYPE_DEFAULT);
        DLLEXPORT void transformState(D3D12_RESOURCE_STATES newState);
        //! Returns the buffer
        DLLEXPORT ID3D12Resource* zBuffer() const;
    };
} // namespace Framework