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annotate src/video/SDL_yuvfuncs.h @ 1627:aee7ea396f59

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Fixed bug #179 SDL_SemValue() always returns 0. That's because the underlying POSIX sem_getvalue() is implemented as a noop in Mac OS X. Apart from that, semaphores do work properly (at least according to test/testsem), so I'm not sure if this is worth fixing at all.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 13 Apr 2006 14:04:13 +0000
parents d910939febfa
children 51038e80ae59
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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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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 /* This is the definition of the YUV video surface function structure */
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25
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26 #include "SDL_video.h"
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27 #include "SDL_sysvideo.h"
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28
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29 #ifndef _THIS
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30 #define _THIS SDL_VideoDevice *_this
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31 #endif
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32 struct private_yuvhwfuncs {
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33 int (*Lock)(_THIS, SDL_Overlay *overlay);
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34 void (*Unlock)(_THIS, SDL_Overlay *overlay);
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35 int (*Display)(_THIS, SDL_Overlay *overlay, SDL_Rect *dstrect);
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36 void (*FreeHW)(_THIS, SDL_Overlay *overlay);
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37 };