00001 
00002 //
00003 // Copyright (c) 2006 Audiokinetic Inc. / All Rights Reserved
00004 //
00006 
00007 // AkSpeakerVolumes.h
00008 
00011 
00012 #ifndef _AKSPEAKERVOLUMES_GENERIC_H_
00013 #define _AKSPEAKERVOLUMES_GENERIC_H_
00014 
00015 #include <AK/SoundEngine/Common/AkTypes.h>
00016 
00017 #if defined( AK_CPU_ARM_NEON ) || ( ( defined( AK_CPU_X86 ) || defined( AK_CPU_X86_64 ) ) && !defined(AK_IOS) && !defined(AK_ANDROID)) || defined( AK_WIIU )
00018 
00019     #define AKSIMD_SPEAKER_VOLUME
00020 
00021 #endif
00022 
00023 #ifdef AKSIMD_SPEAKER_VOLUME
00024 
00025 #include <AK/SoundEngine/Common/AkSimd.h>
00026     
00027 // Extend AK::SpeakerVolumes. AKSIMD implementation
00028 namespace AK
00029 {
00030 namespace SpeakerVolumes
00031 {
00032     namespace Vector
00033     {
00034 #ifdef AKSIMD_V4F32_SUPPORTED
00035 
00037         AkForceInline AkUInt32 GetNumV4F32( AkUInt32 in_uNumChannels )
00038         {
00039             return ( in_uNumChannels + ( sizeof( AKSIMD_V4F32 ) / 4 ) - 1 ) >> 2;
00040         }
00041 
00043         AkForceInline AkUInt32 GetNumElements( AkUInt32 in_uNumChannels ) 
00044         {
00045             return GetNumV4F32( in_uNumChannels ) * 4;
00046         }
00047 
00049         AkForceInline AkUInt32 GetRequiredSize( AkUInt32 in_uNumChannels ) 
00050         {
00051             return GetNumV4F32( in_uNumChannels ) * sizeof( AKSIMD_V4F32 );
00052         }
00053 
00054 #elif defined (AKSIMD_V2F32_SUPPORTED)
00055 
00057         AkForceInline AkUInt32 GetNumV2F32( AkUInt32 in_uNumChannels )
00058         {
00059             return ( in_uNumChannels + ( sizeof( AKSIMD_V2F32 ) / 2 ) - 1 ) >> 1;
00060         }
00061 
00063         AkForceInline AkUInt32 GetNumElements( AkUInt32 in_uNumChannels ) 
00064         {
00065             return GetNumV2F32( in_uNumChannels ) * 2;
00066         }
00067 
00069         AkForceInline AkUInt32 GetRequiredSize( AkUInt32 in_uNumChannels ) 
00070         {
00071             return GetNumV2F32( in_uNumChannels ) * sizeof( AKSIMD_V2F32 );
00072         }
00073 
00074 #else
00075 #error Should use scalar implementation.
00076 #endif
00077     }
00078 }
00079 }
00080 
00081 #else
00082 
00083 // Extend AK::SpeakerVolumes. Scalar implementation.
00084 namespace AK
00085 {
00086 namespace SpeakerVolumes
00087 {
00088     namespace Vector
00089     {
00091         AkForceInline AkUInt32 GetRequiredSize( AkUInt32 in_uNumChannels ) 
00092         {
00093             return in_uNumChannels * sizeof( AkReal32 );
00094         }
00095 
00096         AkForceInline AkUInt32 GetNumElements( AkUInt32 in_uNumChannels ) 
00097         {
00098             return in_uNumChannels;
00099         }
00100     }
00101 }
00102 }
00103 
00104 #endif // AKSIMD_SPEAKER_VOLUME
00105 
00106 #endif //_AKSPEAKERVOLUMES_GENERIC_H_
00107 
00108 
00109