HRESULT LoadEffect(LPCWSTR pFileName, ID3D10Effect **ppEffect) {
  UINT HLSLFlags = D3D10_SHADER_ENABLE_STRICTNESS;
#if defined(DEBUG) | defined(_DEBUG)
  HLSLFlags |= D3D10_SHADER_DEBUG;
  HLSLFlags |= D3D10_SHADER_SKIP_OPTIMIZATION;
#endif
  *ppEffect = NULL;
  ID3D10Blob *pErrors = NULL;
  HRESULT hr;

  D3DX10CreateEffectFromFile(pFileName,
                             NULL, // pDefines
                             NULL, // pInclude
                             "fx_4_0",
                             HLSLFlags,
                             0, // FXFlags
                             DXUTGetD3D10Device(),
                             NULL, // pEffectPool
                             NULL, // pPump
                             ppEffect,
                             &pErrors,
                             &hr);

  if (FAILED(hr)) {
    std::wstringstream wss;
    if (pErrors == NULL) {
      wss << L"Unknown error loading shader: \"" << pFileName << "\".";
    } else {
      wss << L"Errors loading shader: \"" << pFileName << "\":\n";
      wss << (CHAR *)pErrors->GetBufferPointer();
    }
    OutputDebugString(wss.str().c_str());
    MessageBox(NULL, wss.str().c_str(), L"Shader Load Error", MB_ICONERROR | MB_OK);
  } else if (pErrors != NULL) {
    std::wstringstream wss;
    wss << L"Warnings loading shader: \"" << pFileName << "\":\n";
    wss << (CHAR *)pErrors->GetBufferPointer();
    OutputDebugString(wss.str().c_str());
    MessageBox(NULL, wss.str().c_str(), L"Shader Load Warning", MB_ICONEXCLAMATION | MB_OK);
  }

  return hr;
}