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| | | /* |
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| | | Simple DirectMedia Layer |
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| | | Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> |
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| | | Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> |
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| | | |
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| | | This software is provided 'as-is', without any express or implied |
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| | | warranty. In no event will the authors be held liable for any damages |
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| | |
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| | | * CPU feature detection for SDL. |
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| | | */ |
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| | | |
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| | | #ifndef _SDL_cpuinfo_h |
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| | | #define _SDL_cpuinfo_h |
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| | | #ifndef SDL_cpuinfo_h_ |
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| | | #define SDL_cpuinfo_h_ |
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| | | |
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| | | #include "SDL_stdinc.h" |
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| | | |
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| | | /* Need to do this here because intrin.h has C++ code in it */ |
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| | | /* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */ |
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| | | #if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64)) |
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| | | #ifdef __clang__ |
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| | | /* Many of the intrinsics SDL uses are not implemented by clang with Visual Studio */ |
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| | | #undef __MMX__ |
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| | | #undef __SSE__ |
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| | | #undef __SSE2__ |
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| | | #else |
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| | | #include <intrin.h> |
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| | | #ifndef _WIN64 |
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| | | #define __MMX__ |
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| | |
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| | | #endif |
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| | | #define __SSE__ |
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| | | #define __SSE2__ |
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| | | #endif /* __clang__ */ |
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| | | #elif defined(__MINGW64_VERSION_MAJOR) |
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| | | #include <intrin.h> |
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| | | #else |
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| | | #ifdef __ALTIVEC__ |
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| | | #if HAVE_ALTIVEC_H && !defined(__APPLE_ALTIVEC__) |
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| | | #if HAVE_ALTIVEC_H && !defined(__APPLE_ALTIVEC__) && !defined(SDL_DISABLE_ALTIVEC_H) |
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| | | #include <altivec.h> |
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| | | #undef pixel |
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| | | #undef bool |
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| | | #endif |
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| | | #endif |
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| | | #ifdef __MMX__ |
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| | | #include <mmintrin.h> |
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| | | #endif |
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| | | #ifdef __3dNOW__ |
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| | | #if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H) |
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| | | #include <mm3dnow.h> |
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| | | #endif |
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| | | #ifdef __SSE__ |
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| | | #if HAVE_IMMINTRIN_H && !defined(SDL_DISABLE_IMMINTRIN_H) |
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| | | #include <immintrin.h> |
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| | | #else |
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| | | #if defined(__MMX__) && !defined(SDL_DISABLE_MMINTRIN_H) |
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| | | #include <mmintrin.h> |
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| | | #endif |
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| | | #if defined(__SSE__) && !defined(SDL_DISABLE_XMMINTRIN_H) |
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| | | #include <xmmintrin.h> |
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| | | #endif |
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| | | #ifdef __SSE2__ |
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| | | #if defined(__SSE2__) && !defined(SDL_DISABLE_EMMINTRIN_H) |
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| | | #include <emmintrin.h> |
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| | | #endif |
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| | | #if defined(__SSE3__) && !defined(SDL_DISABLE_PMMINTRIN_H) |
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| | | #include <pmmintrin.h> |
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| | | #endif |
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| | | #endif /* HAVE_IMMINTRIN_H */ |
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| | | #endif /* compiler version */ |
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| | | |
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| | | #include "begin_code.h" |
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| | | /* Set up for C function definitions, even when using C++ */ |
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| | |
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| | | extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX2(void); |
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| | | |
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| | | /** |
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| | | * This function returns true if the CPU has NEON (ARM SIMD) features. |
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| | | */ |
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| | | extern DECLSPEC SDL_bool SDLCALL SDL_HasNEON(void); |
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| | | |
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| | | /** |
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| | | * This function returns the amount of RAM configured in the system, in MB. |
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| | | */ |
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| | | extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void); |
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| | |
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| | | #endif |
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| | | #include "close_code.h" |
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| | | |
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| | | #endif /* _SDL_cpuinfo_h */ |
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| | | #endif /* SDL_cpuinfo_h_ */ |
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| | | |
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| | | /* vi: set ts=4 sw=4 expandtab: */ |
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