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annotate include/SDL_cpuinfo.h @ 4491:2cd7bb613a83

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Turn on blending if we're converting from a surface with colorkey enabled
author Sam Lantinga <slouken@libsdl.org>
date Wed, 07 Jul 2010 21:35:44 -0700
parents f7b03b6838cb
children 427998ff3bcf
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) 1997-2010 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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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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97 /* vi: set ts=4 sw=4 expandtab: */