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annotate include/SDL_power.h @ 3469:8c5fb2a3b11d

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RenderReadPixels and RenderWritePixels functions work with back buffer now and all asynchronous operations are flushed before reading or writing to backbuffer. Thanks Sam for clarification of this.
author Mike Gorchak <lestat@i.com.ua>
date Sat, 21 Nov 2009 06:17:50 +0000
parents 78475292e059
children f7b03b6838cb
rev   line source
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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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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 #ifndef _SDL_power_h
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24 #define _SDL_power_h
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25
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26 /**
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27 * \file SDL_power.h
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28 *
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29 * Header for the SDL power management routines.
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30 */
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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 * \brief The basic state for the system's power supply.
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44 */
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45 typedef enum
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46 {
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47 SDL_POWERSTATE_UNKNOWN, /**< cannot determine power status */
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48 SDL_POWERSTATE_ON_BATTERY, /**< Not plugged in, running on the battery */
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49 SDL_POWERSTATE_NO_BATTERY, /**< Plugged in, no battery available */
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50 SDL_POWERSTATE_CHARGING, /**< Plugged in, charging battery */
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51 SDL_POWERSTATE_CHARGED /**< Plugged in, battery charged */
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52 } SDL_PowerState;
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53
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54
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55 /**
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56 * \brief Get the current power supply details.
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57 *
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58 * \param secs Seconds of battery life left. You can pass a NULL here if
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59 * you don't care. Will return -1 if we can't determine a
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60 * value, or we're not running on a battery.
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61 *
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62 * \param pct Percentage of battery life left, between 0 and 100. You can
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63 * pass a NULL here if you don't care. Will return -1 if we
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64 * can't determine a value, or we're not running on a battery.
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65 *
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66 * \return The state of the battery (if any).
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67 */
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68 extern DECLSPEC SDL_PowerState SDLCALL SDL_GetPowerInfo(int *secs, int *pct);
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69
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70 /* Ends C function definitions when using C++ */
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71 #ifdef __cplusplus
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72 /* *INDENT-OFF* */
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73 }
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74 /* *INDENT-ON* */
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75 #endif
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76 #include "close_code.h"
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77
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78 #endif /* _SDL_power_h */
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79
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80 /* vi: set ts=4 sw=4 expandtab: */