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00001 /******************************************************************************* 00002 The content of this file includes portions of the AUDIOKINETIC Wwise Technology 00003 released in source code form as part of the SDK installer package. 00004 00005 Commercial License Usage 00006 00007 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology 00008 may use this file in accordance with the end user license agreement provided 00009 with the software or, alternatively, in accordance with the terms contained in a 00010 written agreement between you and Audiokinetic Inc. 00011 00012 Apache License Usage 00013 00014 Alternatively, this file may be used under the Apache License, Version 2.0 (the 00015 "Apache License"); you may not use this file except in compliance with the 00016 Apache License. You may obtain a copy of the Apache License at 00017 http://www.apache.org/licenses/LICENSE-2.0. 00018 00019 Unless required by applicable law or agreed to in writing, software distributed 00020 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES 00021 OR CONDITIONS OF ANY KIND, either express or implied. See the Apache License for 00022 the specific language governing permissions and limitations under the License. 00023 00024 Version: <VERSION> Build: <BUILDNUMBER> 00025 Copyright (c) <COPYRIGHTYEAR> Audiokinetic Inc. 00026 *******************************************************************************/ 00027 00028 #pragma once 00029 00030 #include <AK/Tools/Common/AkAssert.h> 00031 #include <AK/SoundEngine/Common/AkTypes.h> 00032 00033 //#include <sys/atomics.h> 00034 #include <time.h> 00035 #include <stdlib.h> 00036 #include <stdio.h> 00037 00038 namespace AKPLATFORM 00039 { 00040 // Atomic Operations 00041 // ------------------------------------------------------------------ 00042 00043 /// Platform Independent Helper 00044 inline AkInt32 AkInterlockedIncrement(AkAtomic32 * pValue) 00045 { 00046 return __sync_add_and_fetch(pValue,1); 00047 } 00048 00049 /// Platform Independent Helper 00050 inline AkInt32 AkInterlockedDecrement(AkAtomic32 * pValue) 00051 { 00052 return __sync_sub_and_fetch(pValue,1); 00053 } 00054 00055 AkForceInline bool AkInterlockedCompareExchange(volatile AkAtomic32* io_pDest, AkInt32 in_newValue, AkInt32 in_expectedOldVal) 00056 { 00057 return __sync_bool_compare_and_swap(io_pDest, in_expectedOldVal, in_newValue); 00058 } 00059 00060 AkForceInline bool AkInterlockedCompareExchange(volatile AkAtomic64* io_pDest, AkInt64 in_newValue, AkInt64 in_expectedOldVal) 00061 { 00062 return __sync_bool_compare_and_swap(io_pDest, in_expectedOldVal, in_newValue); 00063 } 00064 00065 inline void AkMemoryBarrier() 00066 { 00067 __sync_synchronize(); 00068 } 00069 00070 // Time functions 00071 // ------------------------------------------------------------------ 00072 00073 /// Platform Independent Helper 00074 inline void PerformanceCounter( AkInt64 * out_piLastTime ) 00075 { 00076 struct timespec clockNow; 00077 clock_gettime(CLOCK_MONOTONIC, &clockNow); 00078 *out_piLastTime = ((clockNow.tv_sec + clockNow.tv_nsec/ 1000000000.0) * CLOCKS_PER_SEC); 00079 } 00080 00081 /// Platform Independent Helper 00082 inline void PerformanceFrequency( AkInt64 * out_piFreq ) 00083 { 00084 // TO DO ANDROID ... is there something better 00085 *out_piFreq = CLOCKS_PER_SEC; 00086 } 00087 00088 template<class destType, class srcType> 00089 inline size_t AkSimpleConvertString( destType* in_pdDest, const srcType* in_pSrc, size_t in_MaxSize, size_t destStrLen(const destType *), size_t srcStrLen(const srcType *) ) 00090 { 00091 size_t i; 00092 size_t lenToCopy = srcStrLen(in_pSrc); 00093 00094 lenToCopy = (lenToCopy > in_MaxSize-1) ? in_MaxSize-1 : lenToCopy; 00095 for(i = 0; i < lenToCopy; i++) 00096 { 00097 in_pdDest[i] = (destType) in_pSrc[i]; 00098 } 00099 in_pdDest[lenToCopy] = (destType)0; 00100 00101 return lenToCopy; 00102 } 00103 00104 #define CONVERT_UTF16_TO_CHAR( _astring_, _charstring_ ) \ 00105 _charstring_ = (char*)AkAlloca( (1 + AKPLATFORM::AkUtf16StrLen((const AkUtf16*)_astring_)) * sizeof(char) ); \ 00106 AK_UTF16_TO_CHAR( _charstring_, (const AkUtf16*)_astring_, AKPLATFORM::AkUtf16StrLen((const AkUtf16*)_astring_)+1 ) 00107 00108 #define AK_UTF16_TO_CHAR( in_pdDest, in_pSrc, in_MaxSize ) AKPLATFORM::AkSimpleConvertString( in_pdDest, in_pSrc, in_MaxSize, strlen, AKPLATFORM::AkUtf16StrLen ) 00109 #define AK_UTF16_TO_OSCHAR( in_pdDest, in_pSrc, in_MaxSize ) AKPLATFORM::AkSimpleConvertString( in_pdDest, in_pSrc, in_MaxSize, strlen, AKPLATFORM::AkUtf16StrLen ) 00110 #define AK_UTF16_TO_WCHAR( in_pdDest, in_pSrc, in_MaxSize ) AKPLATFORM::AkSimpleConvertString( in_pdDest, in_pSrc, in_MaxSize, wcslen, AKPLATFORM::AkUtf16StrLen ) 00111 #define AK_CHAR_TO_UTF16( in_pdDest, in_pSrc, in_MaxSize ) AKPLATFORM::AkSimpleConvertString( in_pdDest, in_pSrc, in_MaxSize, AKPLATFORM::AkUtf16StrLen, strlen ) 00112 #define AK_OSCHAR_TO_UTF16( in_pdDest, in_pSrc, in_MaxSize ) AKPLATFORM::AkSimpleConvertString( in_pdDest, in_pSrc, in_MaxSize, AKPLATFORM::AkUtf16StrLen, strlen ) 00113 #define AK_WCHAR_TO_UTF16( in_pdDest, in_pSrc, in_MaxSize ) AKPLATFORM::AkSimpleConvertString( in_pdDest, in_pSrc, in_MaxSize, AKPLATFORM::AkUtf16StrLen, wcslen ) 00114 00115 /// Stack allocations. 00116 #define AkAlloca( _size_ ) __builtin_alloca( _size_ ) 00117 }
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