Mercurial > sdl-ios-xcode
annotate include/SDL_cpuinfo.h @ 4446:8b03a20b320f
Much improved multi-display support for iPad.
Fixes most issues and limitations, I think.
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Sun, 02 May 2010 05:08:12 -0400 |
parents | f7b03b6838cb |
children | 427998ff3bcf |
rev | line source |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
3697 | 3 Copyright (C) 1997-2010 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 /** |
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43 * This function returns the number of CPU cores available. |
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44 */ |
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45 extern DECLSPEC int SDLCALL SDL_GetCPUCount(void); |
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46 |
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47 /** |
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48 * This function returns true if the CPU has the RDTSC instruction. |
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49 */ |
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50 extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void); |
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51 |
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52 /** |
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53 * This function returns true if the CPU has MMX features. |
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54 */ |
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55 extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void); |
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56 |
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57 /** |
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58 * This function returns true if the CPU has MMX Ext.\ features. |
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59 */ |
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60 extern DECLSPEC SDL_bool SDLCALL SDL_HasMMXExt(void); |
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61 |
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62 /** |
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63 * This function returns true if the CPU has 3DNow!\ features. |
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64 */ |
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65 extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void); |
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66 |
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67 /** |
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68 * This function returns true if the CPU has 3DNow!\ Ext.\ features. |
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69 */ |
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70 extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNowExt(void); |
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71 |
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72 /** |
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73 * This function returns true if the CPU has SSE features. |
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74 */ |
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75 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void); |
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76 |
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77 /** |
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78 * This function returns true if the CPU has SSE2 features. |
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79 */ |
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80 extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void); |
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81 |
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82 /** |
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83 * This function returns true if the CPU has AltiVec features. |
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84 */ |
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85 extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void); |
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86 |
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87 /* Ends C function definitions when using C++ */ |
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88 #ifdef __cplusplus |
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89 /* *INDENT-OFF* */ |
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90 } |
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91 /* *INDENT-ON* */ |
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92 #endif |
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93 #include "close_code.h" |
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94 |
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95 #endif /* _SDL_cpuinfo_h */ |
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96 |
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97 /* vi: set ts=4 sw=4 expandtab: */ |