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- // Copyright 2023 The Ebitengine Authors
- //
- // 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.
- package winver
- import (
- "fmt"
- "runtime"
- "unsafe"
- "golang.org/x/sys/windows"
- )
- const (
- _VER_BUILDNUMBER = 0x00000004
- _VER_GREATER_EQUAL = 3
- _VER_MAJORVERSION = 0x00000002
- _VER_MINORVERSION = 0x00000001
- _VER_SERVICEPACKMAJOR = 0x00000020
- _WIN32_WINNT_VISTA = 0x0600
- _WIN32_WINNT_WIN7 = 0x0601
- _WIN32_WINNT_WIN8 = 0x0602
- _WIN32_WINNT_WINBLUE = 0x0603
- _WIN32_WINNT_WINXP = 0x0501
- )
- type _OSVERSIONINFOEXW struct {
- dwOSVersionInfoSize uint32
- dwMajorVersion uint32
- dwMinorVersion uint32
- dwBuildNumber uint32
- dwPlatformId uint32
- szCSDVersion [128]uint16
- wServicePackMajor uint16
- wServicePackMinor uint16
- wSuiteMask uint16
- wProductType byte
- wReserved byte
- }
- func _HIBYTE(wValue uint16) byte {
- return byte(wValue >> 8)
- }
- func _LOBYTE(wValue uint16) byte {
- return byte(wValue)
- }
- var (
- kernel32 = windows.NewLazySystemDLL("kernel32.dll")
- ntdll = windows.NewLazySystemDLL("ntdll.dll")
- procVerSetConditionMask = kernel32.NewProc("VerSetConditionMask")
- procRtlVerifyVersionInfo = ntdll.NewProc("RtlVerifyVersionInfo")
- )
- func _RtlVerifyVersionInfo(versionInfo *_OSVERSIONINFOEXW, typeMask uint32, conditionMask uint64) int32 {
- var r uintptr
- if unsafe.Sizeof(uintptr(0)) == unsafe.Sizeof(uint64(0)) {
- r, _, _ = procRtlVerifyVersionInfo.Call(uintptr(unsafe.Pointer(versionInfo)), uintptr(typeMask), uintptr(conditionMask))
- } else {
- switch runtime.GOARCH {
- case "386":
- r, _, _ = procRtlVerifyVersionInfo.Call(uintptr(unsafe.Pointer(versionInfo)), uintptr(typeMask), uintptr(conditionMask), uintptr(conditionMask>>32))
- case "arm":
- // Adjust the alignment for ARM.
- r, _, _ = procRtlVerifyVersionInfo.Call(uintptr(unsafe.Pointer(versionInfo)), uintptr(typeMask), 0, uintptr(conditionMask), uintptr(conditionMask>>32))
- default:
- panic(fmt.Sprintf("winver: GOARCH=%s is not supported", runtime.GOARCH))
- }
- }
- return int32(r)
- }
- func _VerSetConditionMask(conditionMask uint64, typeMask uint32, condition byte) uint64 {
- if unsafe.Sizeof(uintptr(0)) == unsafe.Sizeof(uint64(0)) {
- r, _, _ := procVerSetConditionMask.Call(uintptr(conditionMask), uintptr(typeMask), uintptr(condition))
- return uint64(r)
- } else {
- r1, r2, _ := procVerSetConditionMask.Call(uintptr(conditionMask), uintptr(conditionMask>>32), uintptr(typeMask), uintptr(condition))
- return uint64(r1) | (uint64(r2) << 32)
- }
- }
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