static size_t
_calcDataSize(DXGI_FORMAT Format, UINT Width, UINT Height, UINT RowPitch, UINT Depth = 1, UINT DepthPitch = 0) {
static size_t
_calcDataSize(DXGI_FORMAT Format, UINT Width, UINT Height, UINT RowPitch, UINT Depth = 1, UINT DepthPitch = 0) {