mirror of
https://github.com/hajimehoshi/ebiten.git
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88 lines
3.2 KiB
Go
88 lines
3.2 KiB
Go
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// Copyright 2023 The Ebitengine Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package winver
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import (
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"unsafe"
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)
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func isWindowsVersionOrGreater(major, minor, sp uint16) bool {
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osvi := _OSVERSIONINFOEXW{
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dwMajorVersion: uint32(major),
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dwMinorVersion: uint32(minor),
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wServicePackMajor: sp,
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}
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osvi.dwOSVersionInfoSize = uint32(unsafe.Sizeof(osvi))
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var mask uint32 = _VER_MAJORVERSION | _VER_MINORVERSION | _VER_SERVICEPACKMAJOR
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cond := _VerSetConditionMask(0, _VER_MAJORVERSION, _VER_GREATER_EQUAL)
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cond = _VerSetConditionMask(cond, _VER_MINORVERSION, _VER_GREATER_EQUAL)
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cond = _VerSetConditionMask(cond, _VER_SERVICEPACKMAJOR, _VER_GREATER_EQUAL)
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// HACK: Use RtlVerifyVersionInfo instead of VerifyVersionInfoW as the
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// latter lies unless the user knew to embed a non-default manifest
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// announcing support for Windows 10 via supportedOS GUID
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return _RtlVerifyVersionInfo(&osvi, mask, cond) == 0
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}
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func isWindows10BuildOrGreater(build uint16) bool {
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osvi := _OSVERSIONINFOEXW{
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dwMajorVersion: 10,
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dwMinorVersion: 0,
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dwBuildNumber: uint32(build),
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}
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osvi.dwOSVersionInfoSize = uint32(unsafe.Sizeof(osvi))
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var mask uint32 = _VER_MAJORVERSION | _VER_MINORVERSION | _VER_BUILDNUMBER
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cond := _VerSetConditionMask(0, _VER_MAJORVERSION, _VER_GREATER_EQUAL)
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cond = _VerSetConditionMask(cond, _VER_MINORVERSION, _VER_GREATER_EQUAL)
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cond = _VerSetConditionMask(cond, _VER_BUILDNUMBER, _VER_GREATER_EQUAL)
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// HACK: Use RtlVerifyVersionInfo instead of VerifyVersionInfoW as the
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// latter lies unless the user knew to embed a non-default manifest
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// announcing support for Windows 10 via supportedOS GUID
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return _RtlVerifyVersionInfo(&osvi, mask, cond) == 0
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}
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func IsWindowsXPOrGreater() bool {
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return isWindowsVersionOrGreater(uint16(_HIBYTE(_WIN32_WINNT_WINXP)), uint16(_LOBYTE(_WIN32_WINNT_WINXP)), 0)
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}
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func IsWindowsVistaOrGreater() bool {
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return isWindowsVersionOrGreater(uint16(_HIBYTE(_WIN32_WINNT_VISTA)), uint16(_LOBYTE(_WIN32_WINNT_VISTA)), 0)
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}
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func IsWindows7OrGreater() bool {
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return isWindowsVersionOrGreater(uint16(_HIBYTE(_WIN32_WINNT_WIN7)), uint16(_LOBYTE(_WIN32_WINNT_WIN7)), 0)
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}
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func IsWindows8OrGreater() bool {
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return isWindowsVersionOrGreater(uint16(_HIBYTE(_WIN32_WINNT_WIN8)), uint16(_LOBYTE(_WIN32_WINNT_WIN8)), 0)
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}
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func IsWindows8Point1OrGreater() bool {
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return isWindowsVersionOrGreater(uint16(_HIBYTE(_WIN32_WINNT_WINBLUE)), uint16(_LOBYTE(_WIN32_WINNT_WINBLUE)), 0)
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}
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func IsWindows10OrGreater() bool {
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return isWindows10BuildOrGreater(0)
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}
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func IsWindows10AnniversaryUpdateOrGreater() bool {
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return isWindows10BuildOrGreater(14393)
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}
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func IsWindows10CreatorsUpdateOrGreater() bool {
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return isWindows10BuildOrGreater(15063)
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}
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