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include/AK/SoundEngine/Common/IAkProcessorFeatures.h

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00003 released in source code form as part of the SDK installer package.
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00012 Apache License Usage
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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 
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00027 
00028 /// \file 
00029 /// Runtime processor supported features detection interface.
00030 
00031 #pragma once
00032 
00033 #include <AK/SoundEngine/Common/AkTypes.h>
00034 
00035 namespace AK
00036 {   
00037     /// SIMD instruction sets.
00038     enum AkSIMDProcessorSupport
00039     {
00040         AK_SIMD_SSE = 1<<0,     ///< SSE support.   
00041         AK_SIMD_SSE2 = 1<<1,    ///< SSE2 support.
00042         AK_SIMD_SSE3 = 1<<2,    ///< SSE3 support.
00043         AK_SIMD_SSSE3 = 1<<3    ///< SSSE3 support.
00044     };
00045 
00046     /// Runtime processor supported features detection interface. Allows to query specific processor features
00047     /// to chose optimal implementation.
00048     /// \warning The functions in this interface are not thread-safe, unless stated otherwise.
00049     class IAkProcessorFeatures
00050     {
00051     protected:
00052         /// Virtual destructor on interface to avoid warnings.
00053         virtual ~IAkProcessorFeatures(){}
00054 
00055     public:
00056         /// Query for specific SIMD instruction set support. See AkSIMDProcessorSupport for options.
00057         virtual bool GetSIMDSupport(AkSIMDProcessorSupport in_eSIMD) = 0;
00058         /// Query L2 cache size to optimize prefetching techniques where necessary.
00059         virtual AkUInt32 GetCacheSize() = 0;
00060         /// Query cache line size to optimize prefetching techniques where necessary.
00061         virtual AkUInt32 GetCacheLineSize() = 0;
00062     };
00063 }