C++ (Cpp) LPDIRECT3DVOLUME9::GetDesc示例

示例#1

文件： dxtexdoc.cpp 项目： Axitonium/SourceEngine2007

HRESULT CDxtexDoc::LoadSurfaceFromVolumeSlice(LPDIRECT3DVOLUME9 pVolume, UINT iSlice, LPDIRECT3DSURFACE9 psurf)
{
    HRESULT hr;
    D3DVOLUME_DESC vd;
    D3DLOCKED_BOX lb;
    D3DBOX box;
    RECT rc;

    pVolume->GetDesc(&vd);

    box.Left = 0;
    box.Right = vd.Width;
    box.Top = 0;
    box.Bottom = vd.Height;
    box.Front = iSlice;
    box.Back = iSlice + 1;

    rc.left = 0;
    rc.right = vd.Width;
    rc.top = 0;
    rc.bottom = vd.Height;

    hr = pVolume->LockBox(&lb, &box, 0);
    if (FAILED(hr))
        return hr;

    hr = D3DXLoadSurfaceFromMemory(psurf, NULL, NULL, lb.pBits, vd.Format, lb.RowPitch, 
        NULL, &rc, D3DX_DEFAULT, 0);

    pVolume->UnlockBox();

    return hr;
}

示例#2

文件： dxtexdoc.cpp 项目： Axitonium/SourceEngine2007

HRESULT CDxtexDoc::LoadVolumeSliceFromSurface(LPDIRECT3DVOLUME9 pVolume, UINT iSlice, LPDIRECT3DSURFACE9 psurf)
{
    HRESULT hr;
    D3DSURFACE_DESC sd;
    D3DVOLUME_DESC vd;
    D3DLOCKED_RECT lr;
    D3DBOX boxSrc;
    D3DBOX boxDest;

    psurf->GetDesc(&sd);
    pVolume->GetDesc(&vd);

    boxSrc.Left = 0;
    boxSrc.Right = sd.Width;
    boxSrc.Top = 0;
    boxSrc.Bottom = sd.Height;
    boxSrc.Front = 0;
    boxSrc.Back = 1;

    boxDest.Left = 0;
    boxDest.Right = vd.Width;
    boxDest.Top = 0;
    boxDest.Bottom = vd.Height;
    boxDest.Front = iSlice;
    boxDest.Back = iSlice + 1;

    hr = psurf->LockRect(&lr, NULL, 0);
    if (FAILED(hr))
        return hr;

    hr = D3DXLoadVolumeFromMemory(pVolume, NULL, &boxDest, lr.pBits, sd.Format, lr.Pitch, 
        0, NULL, &boxSrc, D3DX_DEFAULT, 0);

    psurf->UnlockRect();

    return hr;
}