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annotate include/SDL_cpuinfo.h @ 2808:368410632f2d

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Whoops, we need this for subrect updates (testsprite)
author Sam Lantinga <slouken@libsdl.org>
date Sat, 29 Nov 2008 15:32:14 +0000
parents c121d94672cb
children 99210400e8b9
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) 1997-2006 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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18
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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 *
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26 * CPU feature detection for SDL
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27 */
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28
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29 #ifndef _SDL_cpuinfo_h
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30 #define _SDL_cpuinfo_h
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31
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32 #include "SDL_stdinc.h"
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33
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34 #include "begin_code.h"
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35 /* Set up for C function definitions, even when using C++ */
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36 #ifdef __cplusplus
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37 /* *INDENT-OFF* */
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38 extern "C" {
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39 /* *INDENT-ON* */
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40 #endif
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41
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42 /* This function returns true if the CPU has the RDTSC instruction
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43 */
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44 extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void);
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45
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46 /* This function returns true if the CPU has MMX features
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47 */
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48 extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void);
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49
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50 /* This function returns true if the CPU has MMX Ext. features
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51 */
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52 extern DECLSPEC SDL_bool SDLCALL SDL_HasMMXExt(void);
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53
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54 /* This function returns true if the CPU has 3DNow features
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55 */
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56 extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void);
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57
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58 /* This function returns true if the CPU has 3DNow! Ext. features
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59 */
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60 extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNowExt(void);
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61
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62 /* This function returns true if the CPU has SSE features
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63 */
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64 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void);
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65
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66 /* This function returns true if the CPU has SSE2 features
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67 */
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68 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void);
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69
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70 /* This function returns true if the CPU has AltiVec features
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71 */
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72 extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void);
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73
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74 /* Ends C function definitions when using C++ */
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75 #ifdef __cplusplus
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76 /* *INDENT-OFF* */
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77 }
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78 /* *INDENT-ON* */
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79 #endif
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80 #include "close_code.h"
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81
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82 #endif /* _SDL_cpuinfo_h */
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84 /* vi: set ts=4 sw=4 expandtab: */