kc3-lang/angle/src/third_party/systeminfo/SystemInfo.cpp

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• Author : Jamie Madill
  Date : 2014-05-26 12:44:54
  Hash : d61e4726
  Message : Fix placement of windows.h include for Win 8.1 SDK. The windows header must be included before versionhelpers.h. BUG=angle:649 Change-Id: Ifee95b2918ea039f9a1c93ad0244bf2d35bd8570 Reviewed-on: https://chromium-review.googlesource.com/201462 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Jamie Madill <jmadill@chromium.org>

• src/third_party/systeminfo/SystemInfo.cpp

• /*
   * Copyright (C) 2009 Apple Inc. All Rights Reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <windows.h>
  
  #if _WIN32_WINNT_WINBLUE
  #include <versionhelpers.h>
  #endif
  
  namespace rx {
  
  #ifndef _WIN32_WINNT_WINBLUE
  static bool IsWindowsVistaOrGreater()
  {
      OSVERSIONINFOEXW osvi = { };
      osvi.dwOSVersionInfoSize = sizeof(osvi);
      osvi.dwMajorVersion = HIBYTE(_WIN32_WINNT_VISTA);
      osvi.dwMinorVersion = LOBYTE(_WIN32_WINNT_VISTA);
      DWORDLONG condition = 0;
      VER_SET_CONDITION(condition, VER_MAJORVERSION, VER_GREATER_EQUAL);
      VER_SET_CONDITION(condition, VER_MINORVERSION, VER_GREATER_EQUAL);
      return !!::VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION, condition);
  }
  #endif
  
  bool isWindowsVistaOrGreater()
  {
      static bool initialized = false;
      static bool cachedIsWindowsVistaOrGreater;
  
      if (!initialized) {
          initialized = true;
          cachedIsWindowsVistaOrGreater = IsWindowsVistaOrGreater();
      }
      return cachedIsWindowsVistaOrGreater;
  }
  
  } // namespace rx