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annotate src/timer/SDL_timer_c.h @ 4593:3892fe2f6537

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Fixed so many things. See the changelog listed below. 1. Use SDL_X11_HAVE_XRENDER to check for RENDER at runtime. 2. Added lots of comments. 3. Added checks and lots of calls to SDL_SetError(). 4. Fixed X11_CreateTexture() so that the pixmap and image created are for the format specified by the user and not the window format. This is only for the RENDER case. 5. The above change required that functions to convert SDL pixel format enums to Visuals and XRenderPictFormats be added. 6. Fixed lots of 'style' issues.
author Sunny Sachanandani <sunnysachanandani@gmail.com>
date Sat, 17 Jul 2010 15:38:24 +0530
parents f7b03b6838cb
children 481dabb098ef
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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 #include "SDL_config.h"
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23
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24 /* Useful functions and variables from SDL_timer.c */
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25 #include "SDL_timer.h"
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26
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27 #define ROUND_RESOLUTION(X) \
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28 (((X+TIMER_RESOLUTION-1)/TIMER_RESOLUTION)*TIMER_RESOLUTION)
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29
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30 extern int SDL_timer_started;
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31 extern int SDL_timer_running;
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32
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33 /* Data to handle a single periodic alarm */
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34 extern Uint32 SDL_alarm_interval;
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35 extern SDL_TimerCallback SDL_alarm_callback;
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36
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37 /* Set whether or not the timer should use a thread.
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38 This should be called while the timer subsystem is running.
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39 */
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40 extern int SDL_SetTimerThreaded(int value);
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41
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42 extern int SDL_TimerInit(void);
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43 extern void SDL_TimerQuit(void);
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44
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45 /* This function is called from the SDL event thread if it is available */
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46 extern void SDL_ThreadedTimerCheck(void);
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47 /* vi: set ts=4 sw=4 expandtab: */