X-Git-Url: http://47.100.26.94:8080/?a=blobdiff_plain;ds=sidebyside;f=third_party%2Fsdl%2Finclude%2FSDL2%2FSDL_cpuinfo.h;fp=third_party%2Fsdl%2Finclude%2FSDL2%2FSDL_cpuinfo.h;h=0812705309637b52df9ffe09d371ad5045185793;hb=7de7c3da29277838e63b63ffd2512b4014b90fa7;hp=0000000000000000000000000000000000000000;hpb=6f9d61a8fc090e669369ec1279818e0c3543313d;p=yuv-player.git diff --git a/third_party/sdl/include/SDL2/SDL_cpuinfo.h b/third_party/sdl/include/SDL2/SDL_cpuinfo.h new file mode 100644 index 0000000..0812705 --- /dev/null +++ b/third_party/sdl/include/SDL2/SDL_cpuinfo.h @@ -0,0 +1,181 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +/** + * \file SDL_cpuinfo.h + * + * CPU feature detection for SDL. + */ + +#ifndef SDL_cpuinfo_h_ +#define SDL_cpuinfo_h_ + +#include "SDL_stdinc.h" + +/* Need to do this here because intrin.h has C++ code in it */ +/* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */ +#if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64)) +#ifdef __clang__ +/* Many of the intrinsics SDL uses are not implemented by clang with Visual Studio */ +#undef __MMX__ +#undef __SSE__ +#undef __SSE2__ +#else +#include +#ifndef _WIN64 +#define __MMX__ +#define __3dNOW__ +#endif +#define __SSE__ +#define __SSE2__ +#endif /* __clang__ */ +#elif defined(__MINGW64_VERSION_MAJOR) +#include +#else +#ifdef __ALTIVEC__ +#if HAVE_ALTIVEC_H && !defined(__APPLE_ALTIVEC__) && !defined(SDL_DISABLE_ALTIVEC_H) +#include +#undef pixel +#undef bool +#endif +#endif +#if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H) +#include +#endif +#if HAVE_IMMINTRIN_H && !defined(SDL_DISABLE_IMMINTRIN_H) +#include +#else +#if defined(__MMX__) && !defined(SDL_DISABLE_MMINTRIN_H) +#include +#endif +#if defined(__SSE__) && !defined(SDL_DISABLE_XMMINTRIN_H) +#include +#endif +#if defined(__SSE2__) && !defined(SDL_DISABLE_EMMINTRIN_H) +#include +#endif +#if defined(__SSE3__) && !defined(SDL_DISABLE_PMMINTRIN_H) +#include +#endif +#endif /* HAVE_IMMINTRIN_H */ +#endif /* compiler version */ + +#include "begin_code.h" +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +extern "C" { +#endif + +/* This is a guess for the cacheline size used for padding. + * Most x86 processors have a 64 byte cache line. + * The 64-bit PowerPC processors have a 128 byte cache line. + * We'll use the larger value to be generally safe. + */ +#define SDL_CACHELINE_SIZE 128 + +/** + * This function returns the number of CPU cores available. + */ +extern DECLSPEC int SDLCALL SDL_GetCPUCount(void); + +/** + * This function returns the L1 cache line size of the CPU + * + * This is useful for determining multi-threaded structure padding + * or SIMD prefetch sizes. + */ +extern DECLSPEC int SDLCALL SDL_GetCPUCacheLineSize(void); + +/** + * This function returns true if the CPU has the RDTSC instruction. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void); + +/** + * This function returns true if the CPU has AltiVec features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void); + +/** + * This function returns true if the CPU has MMX features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void); + +/** + * This function returns true if the CPU has 3DNow! features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void); + +/** + * This function returns true if the CPU has SSE features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void); + +/** + * This function returns true if the CPU has SSE2 features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void); + +/** + * This function returns true if the CPU has SSE3 features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE3(void); + +/** + * This function returns true if the CPU has SSE4.1 features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE41(void); + +/** + * This function returns true if the CPU has SSE4.2 features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE42(void); + +/** + * This function returns true if the CPU has AVX features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX(void); + +/** + * This function returns true if the CPU has AVX2 features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX2(void); + +/** + * This function returns true if the CPU has NEON (ARM SIMD) features. + */ +extern DECLSPEC SDL_bool SDLCALL SDL_HasNEON(void); + +/** + * This function returns the amount of RAM configured in the system, in MB. + */ +extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void); + + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +} +#endif +#include "close_code.h" + +#endif /* SDL_cpuinfo_h_ */ + +/* vi: set ts=4 sw=4 expandtab: */