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annotate include/SDL_cpuinfo.h @ 4402:ed7b8e3520b5 SDL-1.2

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Fixed channel swizzling for ALSA target with 6-channel output. Fixes Bugzilla #942.
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 12 Feb 2010 16:59:34 +0000
parents 4c4113c2162c
children
rev   line source
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22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /**
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24 * @file SDL_cpuinfo.h
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25 * CPU feature detection for SDL
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26 */
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28 #ifndef _SDL_cpuinfo_h
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29 #define _SDL_cpuinfo_h
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30
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31 #include "SDL_stdinc.h"
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32
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33 #include "begin_code.h"
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34 /* Set up for C function definitions, even when using C++ */
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35 #ifdef __cplusplus
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36 extern "C" {
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37 #endif
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38
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39 /** This function returns true if the CPU has the RDTSC instruction */
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40 extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void);
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41
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42 /** This function returns true if the CPU has MMX features */
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43 extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void);
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44
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45 /** This function returns true if the CPU has MMX Ext. features */
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46 extern DECLSPEC SDL_bool SDLCALL SDL_HasMMXExt(void);
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47
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48 /** This function returns true if the CPU has 3DNow features */
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49 extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void);
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51 /** This function returns true if the CPU has 3DNow! Ext. features */
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52 extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNowExt(void);
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53
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54 /** This function returns true if the CPU has SSE features */
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55 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void);
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56
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57 /** This function returns true if the CPU has SSE2 features */
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58 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void);
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59
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60 /** This function returns true if the CPU has AltiVec features */
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61 extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void);
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62
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63 /* Ends C function definitions when using C++ */
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64 #ifdef __cplusplus
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65 }
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66 #endif
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67 #include "close_code.h"
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68
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69 #endif /* _SDL_cpuinfo_h */