mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 12:44:46 +00:00
62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
//-----------------------------------------------------------------------------
|
|
// Copyright (c) 2012 GarageGames, LLC
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
// IN THE SOFTWARE.
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef _TORQUE_PLATFORM_PLATFORMINTRINSICS_VISUALC_H_
|
|
#define _TORQUE_PLATFORM_PLATFORMINTRINSICS_VISUALC_H_
|
|
|
|
/// @file
|
|
/// Compiler intrinsics for Visual C++.
|
|
|
|
#include <intrin.h>
|
|
|
|
// Fetch-And-Add
|
|
//
|
|
// NOTE: These do not return the pre-add value because
|
|
// not all platforms (damn you OSX) can do that.
|
|
//
|
|
inline void dFetchAndAdd( volatile U32& ref, U32 val )
|
|
{
|
|
_InterlockedExchangeAdd( ( volatile long* ) &ref, val );
|
|
}
|
|
inline void dFetchAndAdd( volatile S32& ref, S32 val )
|
|
{
|
|
_InterlockedExchangeAdd( ( volatile long* ) &ref, val );
|
|
}
|
|
|
|
// Compare-And-Swap
|
|
inline bool dCompareAndSwap( volatile U32& ref, U32 oldVal, U32 newVal )
|
|
{
|
|
return ( _InterlockedCompareExchange( ( volatile long* ) &ref, newVal, oldVal ) == oldVal );
|
|
}
|
|
inline bool dCompareAndSwap( volatile U64& ref, U64 oldVal, U64 newVal )
|
|
{
|
|
return ( _InterlockedCompareExchange64( ( volatile __int64* ) &ref, newVal, oldVal ) == oldVal );
|
|
}
|
|
|
|
/// Performs an atomic read operation.
|
|
inline U32 dAtomicRead( volatile U32 &ref )
|
|
{
|
|
return _InterlockedExchangeAdd( ( volatile long* )&ref, 0 );
|
|
}
|
|
|
|
#endif // _TORQUE_PLATFORM_PLATFORMINTRINSICS_VISUALC_H_
|