blender/intern/cycles/util/util_windows.cpp
2019-06-22 10:11:15 +10:00

55 lines
1.4 KiB
C++

/*
* Copyright 2019-2019 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef _WIN32
# include <windows.h>
#endif
#include "util_windows.h"
CCL_NAMESPACE_BEGIN
bool system_windows_version_at_least(int major, int build)
{
#ifdef _WIN32
HMODULE hMod = ::GetModuleHandleW(L"ntdll.dll");
if (hMod == 0) {
return false;
}
typedef NTSTATUS(WINAPI * RtlGetVersionPtr)(PRTL_OSVERSIONINFOW);
RtlGetVersionPtr rtl_get_version = (RtlGetVersionPtr)::GetProcAddress(hMod, "RtlGetVersion");
if (rtl_get_version == NULL) {
return false;
}
RTL_OSVERSIONINFOW rovi = {0};
rovi.dwOSVersionInfoSize = sizeof(rovi);
if (rtl_get_version(&rovi) != 0) {
return false;
}
return (rovi.dwMajorVersion > major ||
(rovi.dwMajorVersion == major && rovi.dwBuildNumber >= build));
#else
(void)major;
(void)build;
return false;
#endif
}
CCL_NAMESPACE_END