dxvk/src/d3d8/d3d8_volume.h

#pragma once

#include "d3d8_subresource.h"
#include "d3d8_d3d9_util.h"

namespace dxvk {
  
  using D3D8VolumeBase = D3D8Subresource<d3d9::IDirect3DVolume9, IDirect3DVolume8>;
  class D3D8Volume final : public D3D8VolumeBase {

  public:

    D3D8Volume(
          D3D8Device*                   pDevice,
          IDirect3DVolumeTexture8*      pTexture,
          Com<d3d9::IDirect3DVolume9>&& pVolume)
      : D3D8VolumeBase(pDevice, std::move(pVolume), pTexture) {}

    HRESULT STDMETHODCALLTYPE GetDesc(D3DVOLUME_DESC* pDesc) {
      if (unlikely(pDesc == nullptr))
        return D3DERR_INVALIDCALL;

      d3d9::D3DVOLUME_DESC desc;
      HRESULT res = GetD3D9()->GetDesc(&desc);

      if (likely(SUCCEEDED(res)))
        ConvertVolumeDesc8(&desc, pDesc);

      return res;
    }

    HRESULT STDMETHODCALLTYPE LockBox(D3DLOCKED_BOX* pLockedBox, CONST D3DBOX* pBox, DWORD Flags) final {
      return GetD3D9()->LockBox(
        reinterpret_cast<d3d9::D3DLOCKED_BOX*>(pLockedBox),
        reinterpret_cast<const d3d9::D3DBOX*>(pBox),
        Flags
      );
    }

    HRESULT STDMETHODCALLTYPE UnlockBox() final {
      return GetD3D9()->UnlockBox();
    }

  };

}