_p_s5_2_ak_platform_funcs_8h

Wwise SDK 2023.1.3

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 The content of this file includes portions of the AUDIOKINETIC Wwise Technology
 released in source code form as part of the SDK installer package.
  
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 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology
 may use this file in accordance with the end user license agreement provided 
 with the software or, alternatively, in accordance with the terms contained in a
 written agreement between you and Audiokinetic Inc.
  
 Apache License Usage
  
 Alternatively, this file may be used under the Apache License, Version 2.0 (the 
 "Apache License"); you may not use this file except in compliance with the 
 Apache License. You may obtain a copy of the Apache License at 
 http://www.apache.org/licenses/LICENSE-2.0.
  
 Unless required by applicable law or agreed to in writing, software distributed
 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
 OR CONDITIONS OF ANY KIND, either express or implied. See the Apache License for
 the specific language governing permissions and limitations under the License.
  
   Copyright (c) 2024 Audiokinetic Inc.
 *******************************************************************************/
  
 #ifndef _AK_PLATFORM_FUNCS_H_
 #define _AK_PLATFORM_FUNCS_H_
  
 #include <AK/Tools/Common/AkAssert.h>
 #include <sce_atomic.h>
 #include <sceerror.h>
 #include <wchar.h>
 #include <string.h>
 #include <stdio.h>
 #include <time.h>
 #include <kernel/eventflag.h>
 #include <unistd.h>
 #include <sys/time.h>
 #include <stdlib.h>
 #include <cpuid.h>
 #include <ajm.h>
 #include <x86intrin.h>
  
 //-----------------------------------------------------------------------------
 // Platform-specific thread properties definition.
 //-----------------------------------------------------------------------------
 struct AkThreadProperties
 {
     int                     nPriority;      ///< Thread priority
     SceKernelCpumask        dwAffinityMask; ///< Affinity mask
     size_t                  uStackSize;     ///< Thread stack size
     int                     uSchedPolicy;   ///< Thread scheduling policy
 };
  
 //-----------------------------------------------------------------------------
 // External variables.
 //-----------------------------------------------------------------------------
 // These variables are declared and updated by the sound engine.
 namespace AK
 {
     // used by time helpers to return time values in milliseconds.
     extern AkReal32 g_fFreqRatio;
 }
  
 //-----------------------------------------------------------------------------
 // Defines for PS5.
 //-----------------------------------------------------------------------------
 #define AK_DECLARE_THREAD_ROUTINE( FuncName )   void* FuncName(void* lpParameter)
 #define AK_THREAD_RETURN( _param_ )             return (_param_);
 #define AK_THREAD_ROUTINE_PARAMETER             lpParameter
 #define AK_GET_THREAD_ROUTINE_PARAMETER_PTR(type) reinterpret_cast<type*>( AK_THREAD_ROUTINE_PARAMETER )
  
 #define AK_RETURN_THREAD_OK                     0x00000000
 #define AK_RETURN_THREAD_ERROR                  0x00000001
 #define AK_DEFAULT_STACK_SIZE                   (128*1024)
 #define AK_THREAD_DEFAULT_SCHED_POLICY          SCE_KERNEL_SCHED_FIFO
 #define AK_THREAD_PRIORITY_NORMAL               SCE_KERNEL_PRIO_FIFO_DEFAULT
 #define AK_THREAD_PRIORITY_ABOVE_NORMAL         SCE_KERNEL_PRIO_FIFO_HIGHEST
 #define AK_THREAD_PRIORITY_BELOW_NORMAL         SCE_KERNEL_PRIO_FIFO_LOWEST
  
 #define AK_THREAD_AFFINITY_ALL                  8191 // from 0b1'1111'1111'1111 -- 13 cores available
 #define AK_THREAD_AFFINITY_DEFAULT              4095 // from 0b0'1111'1111'1111 -- Default to only the 12 fully-available cores. 13th core is half-available.
  
 // NULL objects
 #define AK_NULL_THREAD                          NULL
  
 #define AK_INFINITE                             (AK_UINT_MAX)
  
 #define AkMax(x1, x2)   (((x1) > (x2))? (x1): (x2))
 #define AkMin(x1, x2)   (((x1) < (x2))? (x1): (x2))
 #define AkClamp(x, min, max)  ((x) < (min)) ? (min) : (((x) > (max) ? (max) : (x)))
  
 namespace AKPLATFORM
 {
 #ifndef AK_OPTIMIZED
     /// Output a debug message on the console (Ansi string)
     AkForceInline void OutputDebugMsg( const char* in_pszMsg )
     {
         fputs( in_pszMsg, stderr );
     }
     /// Output a debug message on the console (Unicode string)
     AkForceInline void OutputDebugMsg( const wchar_t* in_pszMsg )
     {
         fputws( in_pszMsg, stderr );
     }
  
     /// Output a debug message on the console (Unicode string) (variadic function)
     template <int MaxSize = 0> // Unused
     AkForceInline void OutputDebugMsgV( const wchar_t* in_pszFmt, ... )
     {
         va_list args;
         va_start(args, in_pszFmt);
         vfwprintf(stderr, in_pszFmt, args);
         va_end(args);
     }
  
     /// Output a debug message on the console (Ansi string) (variadic function)
     template <int MaxSize = 0> // Unused
     AkForceInline void OutputDebugMsgV( const char* in_pszFmt, ... )
     {
         va_list args;
         va_start(args, in_pszFmt);
         vfprintf(stderr, in_pszFmt, args);
         va_end(args);
     }
 #else
     inline void OutputDebugMsg( const wchar_t* ){}
     inline void OutputDebugMsg( const char* ){}
  
     template <int MaxSize = 0> // Unused
     inline void OutputDebugMsgV( const wchar_t*, ... ){}
  
     template <int MaxSize = 0> // Unused
     inline void OutputDebugMsgV( const char*, ... ){}
 #endif
  
  
     // Simple automatic event API
     // ------------------------------------------------------------------
     
     /// Platform Independent Helper
     AkForceInline void AkClearEvent( AkEvent & out_event )
     {       
         out_event = NULL;
     }
  
     AkForceInline AKRESULT AkCreateNamedEvent( AkEvent & out_event, const char* in_szName )
     {
         // NOTE: AkWaitForEvent uses the SCE_KERNEL_EVF_WAITMODE_CLEAR_PAT flag
         // to get the same behavior as an auto-reset Win32 event
         int ret = sceKernelCreateEventFlag(
             &out_event,
             in_szName,
             SCE_KERNEL_EVF_ATTR_MULTI,
             0 /* not signalled by default */,
             NULL /* No optional params */ );
  
         if( ret == SCE_OK )
             return AK_Success;
  
         AkClearEvent( out_event );
         return AK_Fail;
     }
  
     /// Platform Independent Helper
     AkForceInline AKRESULT AkCreateEvent( AkEvent & out_event )
     {
         return AkCreateNamedEvent( out_event, "AkEvent" );
     }
  
     /// Platform Independent Helper
     AkForceInline void AkDestroyEvent( AkEvent & io_event )
     {
         sceKernelDeleteEventFlag(io_event);
         AkClearEvent( io_event );
     }
  
     /// Platform Independent Helper
     AkForceInline void AkWaitForEvent( AkEvent & in_event )
     {
         AKVERIFY( sceKernelWaitEventFlag(
             in_event,
             1,
             SCE_KERNEL_EVF_WAITMODE_OR | SCE_KERNEL_EVF_WAITMODE_CLEAR_ALL,
             SCE_NULL,
             SCE_NULL) == 0 );
     }
  
     /// Platform Independent Helper
     AkForceInline void AkSignalEvent( const AkEvent & in_event )
     {
         AKVERIFY( sceKernelSetEventFlag( in_event, 1 ) == 0 );
     }
  
     /// Platform Independent Helper
     AkForceInline void AkClearSemaphore(AkSemaphore& io_semaphore)
     {
         io_semaphore = NULL;
     }
  
     /// Platform Independent Helper
     inline AKRESULT AkCreateSemaphore( AkSemaphore& out_semaphore, AkUInt32 in_initialCount )
     {
         int ret = sceKernelCreateSema(  
                             &out_semaphore,
                             "AkSemaphore",
                             0,
                             in_initialCount,
                             INT_MAX,
                             NULL );
         
         return ( ret == SCE_OK ) ? AK_Success : AK_Fail;
     }
  
     /// Platform Independent Helper
     inline void AkDestroySemaphore(AkSemaphore& io_semaphore)
     {
         AKVERIFY(sceKernelDeleteSema(io_semaphore) == SCE_OK);
     }
  
     /// Platform Independent Helper - Semaphore wait, aka Operation P. Decrements value of semaphore, and, if the semaphore would be less than 0, waits for the semaphore to be released.
     inline void AkWaitForSemaphore(AkSemaphore& in_semaphore)
     {
         AKVERIFY(sceKernelWaitSema(in_semaphore, 1, NULL) == SCE_OK);
     }
  
     /// Platform Independent Helper - Semaphore signal, aka Operation V. Increments value of semaphore by an arbitrary count.
     inline void AkReleaseSemaphore(AkSemaphore& in_semaphore, AkUInt32 in_count)
     {
         AKVERIFY(sceKernelSignalSema(in_semaphore, in_count) == SCE_OK);
     }
  
  
     // Threads
     // ------------------------------------------------------------------
  
     /// Platform Independent Helper
     AkForceInline bool AkIsValidThread( AkThread * in_pThread )
     {
         return ( *in_pThread != AK_NULL_THREAD );
     }
  
     /// Platform Independent Helper
     AkForceInline void AkClearThread( AkThread * in_pThread )
     {
         *in_pThread = AK_NULL_THREAD;
     }
  
     /// Platform Independent Helper
     AkForceInline void AkCloseThread( AkThread * in_pThread )
     {
         AKASSERT( in_pThread );
         AKASSERT( *in_pThread );
  
         // #define KILL_THREAD(t) do { void *ret; scePthreadJoin(t,&ret); } while(false)
         // AKVERIFY( SCE_OK == sceKernelDeleteThread( *in_pThread ) );
         AkClearThread( in_pThread );
     }
  
     #define AkExitThread( _result ) return _result; // ?????
  
     /// Platform Independent Helper
     AkForceInline void AkGetDefaultThreadProperties( AkThreadProperties & out_threadProperties )
     {
         out_threadProperties.uStackSize     = AK_DEFAULT_STACK_SIZE;
         out_threadProperties.uSchedPolicy   = AK_THREAD_DEFAULT_SCHED_POLICY;
         out_threadProperties.nPriority      = AK_THREAD_PRIORITY_NORMAL;
         out_threadProperties.dwAffinityMask = AK_THREAD_AFFINITY_DEFAULT;
     }
  
     /// Platform Independent Helper
     inline void AkCreateThread( 
         AkThreadRoutine pStartRoutine,                  // Thread routine.
         void * pParams,                                 // Routine params.
         const AkThreadProperties & in_threadProperties, // Properties. NULL for default.
         AkThread * out_pThread,                         // Returned thread handle.
         const char * in_szThreadName )              // Opt thread name.
     {
         AKASSERT( out_pThread != NULL );
         
         ScePthreadAttr  attr;
         
         // Create the attr
         AKVERIFY(!scePthreadAttrInit(&attr));
         // Set the stack size
         AKVERIFY(!scePthreadAttrSetstacksize(&attr,in_threadProperties.uStackSize));
         AKVERIFY(!scePthreadAttrSetdetachstate(&attr, SCE_PTHREAD_CREATE_JOINABLE));
         AKVERIFY(!scePthreadAttrSetinheritsched(&attr, SCE_PTHREAD_EXPLICIT_SCHED));
         AKVERIFY(!scePthreadAttrSetaffinity(&attr,in_threadProperties.dwAffinityMask)); 
         
         // Try to set the thread policy
         int sched_policy = in_threadProperties.uSchedPolicy;
         if( scePthreadAttrSetschedpolicy( &attr, sched_policy )  )
         {
             AKASSERT( !"AKCreateThread invalid sched policy, will automatically set it to FIFO scheduling" );
             sched_policy = AK_THREAD_DEFAULT_SCHED_POLICY;
             AKVERIFY( !scePthreadAttrSetschedpolicy( &attr, sched_policy ));
         }
  
         int minPriority, maxPriority;
         minPriority = SCE_KERNEL_PRIO_FIFO_HIGHEST;
         maxPriority = SCE_KERNEL_PRIO_FIFO_LOWEST;
         
         // Set the thread priority if valid
         AKASSERT( in_threadProperties.nPriority >= minPriority && in_threadProperties.nPriority <= maxPriority );
         if(  in_threadProperties.nPriority >= minPriority && in_threadProperties.nPriority <= maxPriority )
         {
             SceKernelSchedParam schedParam;
             AKVERIFY( scePthreadAttrGetschedparam(&attr, &schedParam) == 0 );
             schedParam.sched_priority = in_threadProperties.nPriority;
             AKVERIFY( scePthreadAttrSetschedparam(&attr, &schedParam) == 0 );
         }
  
         // Create the tread
         int threadError = scePthreadCreate(out_pThread, &attr, pStartRoutine, pParams, in_szThreadName);
         AKASSERT( threadError == 0 );
         AKVERIFY(!scePthreadAttrDestroy(&attr));
         
         if( threadError != 0 )
         {
             AkClearThread( out_pThread );
             return;
         }
         
         // ::CreateThread() return NULL if it fails.
         if ( !*out_pThread )
         {
             AkClearThread( out_pThread );
             return;
         }       
     }
  
     /// Platform Independent Helper
     AkForceInline void AkWaitForSingleThread( AkThread * in_pThread )
     {
         AKASSERT( in_pThread );
         AKASSERT( *in_pThread );
         AKVERIFY(!scePthreadJoin( *in_pThread, NULL ));
     }
  
     inline AkThreadID CurrentThread()
     {
         return scePthreadSelf();
     }
  
     /// Platform Independent Helper
     AkForceInline void AkSleep( AkUInt32 in_ulMilliseconds )
     {
         usleep( in_ulMilliseconds * 1000 );
     }
  
     // Optimized memory functions
     // --------------------------------------------------------------------
  
     /// Platform Independent Helper
     AkForceInline void AkMemCpy( void * pDest, const void * pSrc, AkUInt32 uSize )
     {
         memcpy( pDest, pSrc, uSize );
     }
  
     /// Platform Independent Helper
     inline void AkMemMove( void* pDest, const void* pSrc, AkUInt32 uSize )
     {
         memmove( pDest, pSrc, uSize );
     }   
  
     /// Platform Independent Helper
     AkForceInline void AkMemSet( void * pDest, AkInt32 iVal, AkUInt32 uSize )
     {
         memset( pDest, iVal, uSize );
     }
  
     // Time functions
     // ------------------------------------------------------------------
  
     /// Platform Independent Helper
     AkForceInline void PerformanceCounter( AkInt64 * out_piLastTime )
     {
         uint64_t uTime = sceKernelGetProcessTimeCounter();
         *out_piLastTime = (AkInt64)uTime;
     }
  
     /// Frequency of the PerformanceCounter() (ticks per second)
     AkForceInline void PerformanceFrequency( AkInt64 * out_piFreq )
     {
         *out_piFreq = (AkInt64)sceKernelGetProcessTimeCounterFrequency();
     }
  
     /// Platform Independent Helper
     AkForceInline void UpdatePerformanceFrequency()
     {
         AkInt64 iFreq;
         PerformanceFrequency( &iFreq );
         AK::g_fFreqRatio = (AkReal32)((AkReal64)iFreq / 1000);
     }
  
     // Waits for a limited amount of time for in_pVal to hit zero (without yielding the thread)
     inline void AkLimitedSpinForZero(AkAtomic32* in_pVal)
     {
         // monitorx and waitx are available on certain AMD CPUs, so we can have a custom impl of AkLimitedSpinForZero
         AkInt64 endSpinTime = 0;
         AkInt64 currentTime = 0;
         PerformanceCounter(&endSpinTime);
         endSpinTime += AkInt64(AK::g_fFreqRatio * 0.01); // only spin for about 10us
         while (true)
         {
             // set up monitorx on pVal
             _mm_monitorx((void*)in_pVal, 0U, 0U);
             // if pval is zero, skip out
             if (AkAtomicLoad32(in_pVal) == 0)
             {
                 break;
             }
             // wait until a store to pVal occurs (or ~1us passes)
             _mm_mwaitx(2U, 0U, 1000U);
  
             // Check if we've hit the deadline for the timeout
             PerformanceCounter(&currentTime);
             if (currentTime > endSpinTime)
             {
                 break;
             }
         }
     }
  
     // Waits for a limited amount of time for in_pVal to get atomically shift from the expected value to the proposed one
     // returns true if acquisition succeeded
     inline bool AkLimitedSpinToAcquire(AkAtomic32* in_pVal, AkInt32 in_proposed, AkInt32 in_expected)
     {
         if (AkAtomicCas32(in_pVal, in_proposed, in_expected))
         {
             return true;
         }
  
         // Cas failed, start the slower evaluation
         
         // monitorx and waitx are available on certain AMD CPUs, so we can use monitorx/waitx
         AkInt64 endSpinTime = 0;
         AkInt64 currentTime = 0;
         PerformanceCounter(&endSpinTime);
         endSpinTime += AkInt64(AK::g_fFreqRatio * 0.01); // only spin for about 10us
         while (true)
         {
             // set up monitorx on pVal
             _mm_monitorx((void*)in_pVal, 0U, 0U);
             // attempt cas to acquire and if successful, skip out
             if (AkAtomicCas32(in_pVal, in_proposed, in_expected))
             {
                 return true;
             }
             // wait until a store to pVal occurs (or ~1us passes)
             _mm_mwaitx(2U, 0U, 1000U);
  
             // Check if we've hit the deadline for the timeout
             PerformanceCounter(&currentTime);
             if (currentTime > endSpinTime)
             {
                 return false;
             }
         }
     }
  
 #define AK_LIMITEDSPINFORZERO // mark AkLimitedSpinForZero as defined to avoid duplicate definitions
  
     /// Returns a time range in milliseconds, using the sound engine's updated count->milliseconds ratio.
     AkForceInline AkReal32 Elapsed( const AkInt64 & in_iNow, const AkInt64 & in_iStart )
     {
         return ( in_iNow - in_iStart ) / AK::g_fFreqRatio;
     }
  
     /// String conversion helper
     AkForceInline AkInt32 AkWideCharToChar( const wchar_t*  in_pszUnicodeString,
                                             AkUInt32        in_uiOutBufferSize,
                                             char*       io_pszAnsiString )
     {
         AKASSERT( io_pszAnsiString != NULL );
  
         mbstate_t state;
         memset (&state, '\0', sizeof (state));
  
         return (AkInt32)wcsrtombs(io_pszAnsiString,     // destination
                             &in_pszUnicodeString,   // source
                             in_uiOutBufferSize,     // destination length
                             &state);                // 
  
     }
     
     /// String conversion helper
     AkForceInline AkInt32 AkCharToWideChar( const char* in_pszAnsiString,
                                             AkUInt32            in_uiOutBufferSize,
                                             void*           io_pvUnicodeStringBuffer )
     {
         AKASSERT( io_pvUnicodeStringBuffer != NULL );
  
         mbstate_t state;
         memset (&state, '\0', sizeof (state));
  
         return (AkInt32)mbsrtowcs((wchar_t*)io_pvUnicodeStringBuffer,   // destination
                                     &in_pszAnsiString,                  // source
                                     in_uiOutBufferSize,                 // destination length
                                     &state);                            // 
     }
  
     AkForceInline AkInt32 AkUtf8ToWideChar( const char* in_pszUtf8String,
                                      AkUInt32       in_uiOutBufferSize,
                                      void*          io_pvUnicodeStringBuffer )
     {
         return AkCharToWideChar( in_pszUtf8String, in_uiOutBufferSize, (wchar_t*)io_pvUnicodeStringBuffer );
     }
  
     /// Safe unicode string copy.
     AkForceInline void SafeStrCpy( wchar_t * in_pDest, const wchar_t* in_pSrc, size_t in_uDestMaxNumChars )
     {
         size_t uSizeCopy = AkMin( in_uDestMaxNumChars - 1, wcslen( in_pSrc ) + 1 );
         wcsncpy( in_pDest, in_pSrc, uSizeCopy );
         in_pDest[uSizeCopy] = '\0';
     }
  
     /// Safe ansi string copy.
     AkForceInline void SafeStrCpy( char * in_pDest, const char* in_pSrc, size_t in_uDestMaxNumChars )
     {
         size_t uSizeCopy = AkMin( in_uDestMaxNumChars - 1, strlen( in_pSrc ) + 1 );
         strncpy( in_pDest, in_pSrc, uSizeCopy );
         in_pDest[uSizeCopy] = '\0';
     }
  
     /// Safe unicode string concatenation.
     AkForceInline void SafeStrCat( wchar_t * in_pDest, const wchar_t* in_pSrc, size_t in_uDestMaxNumChars )
     {
         size_t uAvailableSize = ( in_uDestMaxNumChars - wcslen( in_pDest ) - 1 );
         wcsncat( in_pDest, in_pSrc, AkMin( uAvailableSize, wcslen( in_pSrc ) ) );
     }
  
     /// Safe ansi string concatenation.
     AkForceInline void SafeStrCat( char * in_pDest, const char* in_pSrc, size_t in_uDestMaxNumChars )
     {
         size_t uAvailableSize = ( in_uDestMaxNumChars - strlen( in_pDest ) - 1 );
         strncat( in_pDest, in_pSrc, AkMin( uAvailableSize, strlen( in_pSrc ) ) );
     }
  
     inline int SafeStrFormat(wchar_t * in_pDest, size_t in_uDestMaxNumChars, const wchar_t* in_pszFmt, ...)
     {
         va_list args;
         va_start(args, in_pszFmt);
         int r = vswprintf(in_pDest, in_uDestMaxNumChars, in_pszFmt, args);
         va_end(args);
         return r;
     }
  
     inline int SafeStrFormat(char * in_pDest, size_t in_uDestMaxNumChars, const char* in_pszFmt, ...)
     {
         va_list args;
         va_start(args, in_pszFmt);
         int r = vsnprintf(in_pDest, in_uDestMaxNumChars, in_pszFmt, args);
         va_end(args);
         return r;
     }
  
     /// Stack allocations.
     #define AkAlloca( _size_ ) alloca( _size_ ) 
  
     
  
     /// Converts a wchar_t string to an AkOSChar string.
     /// \remark On some platforms the AkOSChar string simply points to the same string,
     /// on others a new buffer is allocated on the stack using AkAlloca. This means
     /// you must make sure that:
     /// - The source string stays valid and unmodified for as long as you need the
     ///   AkOSChar string (for cases where they point to the same string)
     /// - The AkOSChar string is used within this scope only -- for example, do NOT
     ///   return that string from a function (for cases where it is allocated on the stack)
     #define CONVERT_WIDE_TO_OSCHAR( _wstring_, _oscharstring_ ) \
            _oscharstring_ = (AkOSChar*)AkAlloca( (1 + wcslen( _wstring_ )) * sizeof(AkOSChar) ); \
            AKPLATFORM::AkWideCharToChar( _wstring_ , (AkUInt32)(1 + wcslen( _wstring_ )), (AkOSChar*)( _oscharstring_ ) )
  
  
     /// Converts a char string to an AkOSChar string.
     /// \remark On some platforms the AkOSChar string simply points to the same string,
     /// on others a new buffer is allocated on the stack using AkAlloca. This means
     /// you must make sure that:
     /// - The source string stays valid and unmodified for as long as you need the
     ///   AkOSChar string (for cases where they point to the same string)
     /// - The AkOSChar string is used within this scope only -- for example, do NOT
     ///   return that string from a function (for cases where it is allocated on the stack)
     #define CONVERT_CHAR_TO_OSCHAR( _astring_, _oscharstring_ ) ( _oscharstring_ ) = (AkOSChar*)( _astring_ )
  
     /// Converts a AkOSChar string into wide char string.
     /// \remark On some platforms the AkOSChar string simply points to the same string,
     /// on others a new buffer is allocated on the stack using AkAlloca. This means
     /// you must make sure that:
     /// - The source string stays valid and unmodified for as long as you need the
     ///   AkOSChar string (for cases where they point to the same string)
     /// - The AkOSChar string is used within this scope only -- for example, do NOT
     ///   return that string from a function (for cases where it is allocated on the stack)
     #define CONVERT_OSCHAR_TO_WIDE( _osstring_, _wstring_ ) \
         _wstring_ = (wchar_t*)AkAlloca((1+strlen(_osstring_)) * sizeof(wchar_t)); \
         AKPLATFORM::AkCharToWideChar( _osstring_, (AkUInt32)(1 + strlen(_osstring_ )), _wstring_ )
  
     /// Converts a AkOSChar string into char string.
     /// \remark On some platforms the AkOSChar string simply points to the same string,
     /// on others a new buffer is allocated on the stack using AkAlloca. This means
     /// you must make sure that:
     /// - The source string stays valid and unmodified for as long as you need the
     ///   AkOSChar string (for cases where they point to the same string)
     /// - The AkOSChar string is used within this scope only -- for example, do NOT
     ///   return that string from a function (for cases where it is allocated on the stack)
     #define CONVERT_OSCHAR_TO_CHAR( _osstring_, _astring_ ) _astring_ = (char*)_osstring_
  
     /// Get the length, in characters, of a NULL-terminated AkUtf16 string
     /// \return The length, in characters, of the specified string (excluding terminating NULL)
     AkForceInline size_t AkUtf16StrLen( const AkUtf16* in_pStr )
     {
         return ( wcslen( in_pStr ) );
     }
  
     /// Get the length, in characters, of a NULL-terminated AkOSChar string
     /// \return The length, in characters, of the specified string (excluding terminating NULL)
     AkForceInline size_t OsStrLen( const AkOSChar* in_pszString )
     {
         return ( strlen( in_pszString ) );
     }
  
     /// AkOSChar version of sprintf().
     #define AK_OSPRINTF snprintf
  
     /// Compare two NULL-terminated AkOSChar strings
     /// \return
     /// - < 0 if in_pszString1 < in_pszString2
     /// -    0 if the two strings are identical
     /// - > 0 if in_pszString1 > in_pszString2
     /// \remark The comparison is case-sensitive
     AkForceInline int OsStrCmp( const AkOSChar* in_pszString1, const AkOSChar* in_pszString2 )
     {
         return ( strcmp( in_pszString1,  in_pszString2 ) );
     }
  
     /// Compare two NULL-terminated AkOSChar strings up to the specified count of characters.
     /// \return
     /// - < 0 if in_pszString1 < in_pszString2
     /// -    0 if the two strings are identical
     /// - > 0 if in_pszString1 > in_pszString2
     /// \remark The comparison is case-sensitive
     inline int OsStrNCmp( const AkOSChar* in_pszString1, const AkOSChar* in_pszString2, size_t in_MaxCountSize )
     {
         return ( strncmp(in_pszString1, in_pszString2, in_MaxCountSize) );
     }
     
     /// Detects whether the string represents an absolute path to a file
     inline bool IsAbsolutePath(const AkOSChar* in_pszPath, size_t in_pathLen)
     {
         return in_pathLen >= 1 && in_pszPath[0] == '/';
     }
  
     #define AK_UTF16_TO_WCHAR(  in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::SafeStrCpy(     in_pdDest, in_pSrc, in_MaxSize )
     #define AK_WCHAR_TO_UTF16(  in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::SafeStrCpy(     in_pdDest, in_pSrc, in_MaxSize )
     #define AK_UTF8_TO_OSCHAR(  in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::SafeStrCpy(     in_pdDest, in_pSrc, in_MaxSize )
     #define AK_UTF16_TO_OSCHAR( in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkWideCharToChar( in_pSrc, in_MaxSize, in_pdDest )
     #define AK_UTF16_TO_CHAR(   in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkWideCharToChar( in_pSrc, in_MaxSize, in_pdDest )
     #define AK_CHAR_TO_UTF16(   in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkCharToWideChar( in_pSrc, in_MaxSize, in_pdDest )      
     #define AK_OSCHAR_TO_UTF16( in_pdDest, in_pSrc, in_MaxSize )    AKPLATFORM::AkCharToWideChar( in_pSrc, in_MaxSize, in_pdDest )  
  
     // Use with AkOSChar.
     #define AK_PATH_SEPARATOR   "/"
     #define AK_LIBRARY_PREFIX   ""
     #define AK_DYNAMIC_LIBRARY_EXTENSION    ".prx"
  
     #define AK_FILEHANDLE_TO_UINTPTR(_h) ((AkUIntPtr)_h)
     #define AK_SET_FILEHANDLE_TO_UINTPTR(_h,_u) _h = (AkFileHandle)_u
  
     /// Support to fetch the CPUID for the platform. Only valid for X86 targets
     /// \remark Note that IAkProcessorFeatures should be preferred to fetch this data
     /// as it will have already translated the feature bits into AK-relevant enums
     inline void CPUID(AkUInt32 in_uLeafOpcode, AkUInt32 in_uSubLeafOpcode, unsigned int out_uCPUFeatures[4])
     {
         __get_cpuid_count( in_uLeafOpcode, in_uSubLeafOpcode, 
             &out_uCPUFeatures[0],
             &out_uCPUFeatures[1],
             &out_uCPUFeatures[2],
             &out_uCPUFeatures[3]);
     }
 }
  
 #endif  // _AK_PLATFORM_FUNCS_H_

AKPLATFORM::AkCreateSemaphore

AKRESULT AkCreateSemaphore(AkSemaphore &out_semaphore, AkUInt32 in_initialCount)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:101

AKPLATFORM::AkUtf16StrLen

size_t AkUtf16StrLen(const AkUtf16 *in_pStr)

Definition: AkPlatformFuncs.h:548

Audiokinetic namespace.

Definition: AkWwiseSDKVersion.cs:31

AK_Fail

@ AK_Fail

The operation failed.

Definition: AkTypes.h:216

AkThreadProperties

Definition: AkPlatformFuncs.h:47

AkEvent

semaphore_t AkEvent

Definition: AkTypes.h:84

AK_THREAD_DEFAULT_SCHED_POLICY

#define AK_THREAD_DEFAULT_SCHED_POLICY

Definition: AkPlatformFuncs.h:77

AkThreadProperties::nPriority

int nPriority

Thread priority.

Definition: AkPlatformFuncs.h:48

AKPLATFORM::AkClearEvent

void AkClearEvent(AkEvent &out_event)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:53

AKPLATFORM::AkClearSemaphore

AkForceInline void AkClearSemaphore(AkSemaphore &io_semaphore)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:95

AKPLATFORM

Platform-dependent helpers.

Definition: AkBitFuncs.h:43

AKPLATFORM::AkWaitForEvent

void AkWaitForEvent(AkEvent &in_event)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:81

AKPLATFORM::UpdatePerformanceFrequency

AkForceInline void UpdatePerformanceFrequency()

Platform Independent Helper.

Definition: AkPlatformFuncs.h:395

AkThreadID

int AkThreadID

Definition: AkTypes.h:69

AKRESULT

Standard function call result.

Definition: AkTypes.h:213

AKPLATFORM::OutputDebugMsg

void OutputDebugMsg(const char *in_pszMsg)

Output a debug message on the console (Ansi string)

Definition: AkPlatformFuncs.h:76

AkAtomicCas32

__forceinline int AkAtomicCas32(AkAtomic32 *pDest, long proposed, long expected)

Definition: AkAtomic.h:68

AKPLATFORM::CPUID

void CPUID(AkUInt32 in_uLeafOpcode, AkUInt32 in_uSubLeafOpcode, unsigned int out_uCPUFeatures[4])

Definition: AkPlatformFuncs.h:238

AK_NULL_THREAD

#define AK_NULL_THREAD

Definition: AkPlatformFuncs.h:86

AkOSChar

char AkOSChar

Generic character string.

Definition: AkTypes.h:60

AKPLATFORM::SafeStrFormat

int SafeStrFormat(wchar_t *in_pDest, size_t in_uDestMaxNumChars, const wchar_t *in_pszFmt,...)

Definition: AkPlatformFuncs.h:478

NULL

#define NULL

Definition: AkTypes.h:46

AK_THREAD_AFFINITY_DEFAULT

#define AK_THREAD_AFFINITY_DEFAULT

Definition: AkPlatformFuncs.h:83

AKPLATFORM::CurrentThread

AkThreadID CurrentThread()

Returns the calling thread's ID.

Definition: AkPlatformFuncs.h:346

AKPLATFORM::IsAbsolutePath

bool IsAbsolutePath(const AkOSChar *in_pszPath, size_t in_pathLen)

Detects whether the string represents an absolute path to a file.

Definition: AkPlatformFuncs.h:586

AkReal32

float AkReal32

32-bit floating point

Definition: AkNumeralTypes.h:46

AK_Success

@ AK_Success

The operation was successful.

Definition: AkTypes.h:215

AkInt32

int32_t AkInt32

Signed 32-bit integer.

Definition: AkNumeralTypes.h:43

AKPLATFORM::AkCreateThread

void AkCreateThread(AkThreadRoutine pStartRoutine, void *pParams, const AkThreadProperties &in_threadProperties, AkThread *out_pThread, const char *)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:125

AkUtf16

AkUInt16 AkUtf16

Definition: AkTypes.h:61

AK_THREAD_PRIORITY_NORMAL

#define AK_THREAD_PRIORITY_NORMAL

Definition: AkPlatformFuncs.h:78

AKPLATFORM::OutputDebugMsgV

void OutputDebugMsgV(const char *in_pszFmt,...)

Output a debug message on the console (variadic function).

Definition: AkPlatformFuncs.h:85

AKPLATFORM::PerformanceCounter

void PerformanceCounter(AkInt64 *out_piLastTime)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:45

AkAtomic32

volatile uint32_t AkAtomic32

Definition: AkAtomic.h:45

AKPLATFORM::AkDestroySemaphore

void AkDestroySemaphore(AkSemaphore &io_semaphore)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:113

AKPLATFORM::AkDestroyEvent

void AkDestroyEvent(AkEvent &io_event)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:71

AkThreadRoutine

nn::os::ThreadFunction AkThreadRoutine

Thread routine.

Definition: AkTypes.h:87

AKPLATFORM::AkIsValidThread

AkForceInline bool AkIsValidThread(AkThread *in_pThread)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:243

AkMin

#define AkMin(x1, x2)

Definition: AkPlatformFuncs.h:91

AKPLATFORM::AkMemCpy

AkForceInline void AkMemCpy(void *pDest, const void *pSrc, AkUInt32 uSize)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:361

AKASSERT

#define AKASSERT(Condition)

Definition: AkAssert.h:67

AKVERIFY

#define AKVERIFY(x)

Definition: AkAssert.h:69

AKPLATFORM::AkSleep

AkForceInline void AkSleep(AkUInt32 in_ulMilliseconds)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:352

AKPLATFORM::AkClearThread

AkForceInline void AkClearThread(AkThread *in_pThread)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:249

AKPLATFORM::AkGetDefaultThreadProperties

AkForceInline void AkGetDefaultThreadProperties(AkThreadProperties &out_threadProperties)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:268

AKPLATFORM::OsStrNCmp

int OsStrNCmp(const AkOSChar *in_pszString1, const AkOSChar *in_pszString2, size_t in_MaxCountSize)

Definition: AkPlatformFuncs.h:580

AKPLATFORM::AkLimitedSpinForZero

void AkLimitedSpinForZero(AkAtomic32 *in_pVal)

Definition: AkPlatformFuncs.h:125

AKPLATFORM::AkLimitedSpinToAcquire

bool AkLimitedSpinToAcquire(AkAtomic32 *in_pVal, AkInt32 in_proposed, AkInt32 in_expected)

Definition: AkPlatformFuncs.h:151

AKPLATFORM::AkMemSet

AkForceInline void AkMemSet(void *pDest, AkInt32 iVal, AkUInt32 uSize)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:373

AKPLATFORM::AkMemMove

void AkMemMove(void *pDest, const void *pSrc, AkUInt32 uSize)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:367

AkThreadProperties::dwAffinityMask

SceKernelCpumask dwAffinityMask

Affinity mask.

Definition: AkPlatformFuncs.h:49

AK::g_fFreqRatio

AkReal32 g_fFreqRatio

Definition: AkPlatformFuncs.h:63

AkReal64

double AkReal64

64-bit floating point

Definition: AkNumeralTypes.h:47

AKPLATFORM::AkCreateEvent

AKRESULT AkCreateEvent(AkEvent &out_event)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:59

AKPLATFORM::SafeStrCpy

AkForceInline void SafeStrCpy(wchar_t *in_pDest, const wchar_t *in_pSrc, size_t in_uDestMaxNumChars)

Safe unicode string copy.

Definition: AkPlatformFuncs.h:449

AkInt64

int64_t AkInt64

Signed 64-bit integer.

Definition: AkNumeralTypes.h:44

AKPLATFORM::AkWaitForSemaphore

void AkWaitForSemaphore(AkSemaphore &in_semaphore)

Platform Independent Helper - Semaphore wait, aka Operation P. Decrements value of semaphore,...

Definition: AkPlatformFuncs.h:119

AkThreadProperties::uStackSize

size_t uStackSize

Thread stack size.

Definition: AkPlatformFuncs.h:50

AKPLATFORM::PerformanceFrequency

void PerformanceFrequency(AkInt64 *out_piFreq)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:54

AK_DEFAULT_STACK_SIZE

#define AK_DEFAULT_STACK_SIZE

Definition: AkPlatformFuncs.h:76

AkThreadProperties::uSchedPolicy

int uSchedPolicy

Thread scheduling policy.

Definition: AkPlatformFuncs.h:51

AKPLATFORM::AkCharToWideChar

AkForceInline AkInt32 AkCharToWideChar(const char *in_pszAnsiString, AkUInt32 in_uiOutBufferSize, void *io_pvUnicodeStringBuffer)

String conversion helper.

Definition: AkPlatformFuncs.h:426

AkUInt32

uint32_t AkUInt32

Unsigned 32-bit integer.

Definition: AkNumeralTypes.h:38

AKPLATFORM::AkReleaseSemaphore

void AkReleaseSemaphore(AkSemaphore &in_semaphore, AkUInt32 in_count)

Platform Independent Helper - Semaphore signal, aka Operation V. Increments value of semaphore by an ...

Definition: AkPlatformFuncs.h:125

AKPLATFORM::SafeStrCat

AkForceInline void SafeStrCat(wchar_t *in_pDest, const wchar_t *in_pSrc, size_t in_uDestMaxNumChars)

Safe unicode string concatenation.

Definition: AkPlatformFuncs.h:465

AKPLATFORM::AkCreateNamedEvent

AkForceInline AKRESULT AkCreateNamedEvent(AkEvent &out_event, const char *in_szName)

Definition: AkPlatformFuncs.h:153

AKPLATFORM::AkWideCharToChar

AkForceInline AkInt32 AkWideCharToChar(const wchar_t *in_pszUnicodeString, AkUInt32 in_uiOutBufferSize, char *io_pszAnsiString)

String conversion helper.

Definition: AkPlatformFuncs.h:409

AKPLATFORM::AkWaitForSingleThread

AkForceInline void AkWaitForSingleThread(AkThread *in_pThread)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:339

AkAssert.h

AKPLATFORM::AkSignalEvent

void AkSignalEvent(const AkEvent &in_event)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:88

AkThread

Definition: AkTypes.h:92

AKPLATFORM::AkUtf8ToWideChar

AkForceInline AkInt32 AkUtf8ToWideChar(const char *in_pszUtf8String, AkUInt32 in_uiOutBufferSize, void *io_pvUnicodeStringBuffer)

String conversion helper.

Definition: AkPlatformFuncs.h:441

AkSemaphore

semaphore_t AkSemaphore

Definition: AkTypes.h:85

AKPLATFORM::AkCloseThread

AkForceInline void AkCloseThread(AkThread *in_pThread)

Platform Independent Helper.

Definition: AkPlatformFuncs.h:255

AKPLATFORM::OsStrCmp

AkForceInline int OsStrCmp(const AkOSChar *in_pszString1, const AkOSChar *in_pszString2)

Definition: AkPlatformFuncs.h:569

AkForceInline

#define AkForceInline

Definition: AkTypes.h:63

AkAtomicLoad32

__forceinline long AkAtomicLoad32(AkAtomic32 *pSrc)

Definition: AkAtomic.h:58

AKPLATFORM::OsStrLen

AkForceInline size_t OsStrLen(const AkOSChar *in_pszString)

Definition: AkPlatformFuncs.h:555

AKPLATFORM::Elapsed

AkForceInline AkReal32 Elapsed(const AkInt64 &in_iNow, const AkInt64 &in_iStart)

Returns a time range in milliseconds, using the sound engine's updated count->milliseconds ratio.

Definition: AkPlatformFuncs.h:403

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