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annotate src/video/SDL_yuvfuncs.h @ 535:917cc5c56176

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Fixed alpha blending bug (thanks Glenn!)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 22 Oct 2002 21:41:21 +0000
parents f6ffac90895c
children b8d311d90021
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, 1998, 1999, 2000, 2001, 2002 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* This is the definition of the YUV video surface function structure */
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29
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30 #include "SDL_video.h"
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31 #include "SDL_sysvideo.h"
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32
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33 #ifndef _THIS
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34 #define _THIS SDL_VideoDevice *_this
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35 #endif
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36 struct private_yuvhwfuncs {
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37 int (*Lock)(_THIS, SDL_Overlay *overlay);
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38 void (*Unlock)(_THIS, SDL_Overlay *overlay);
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39 int (*Display)(_THIS, SDL_Overlay *overlay, SDL_Rect *dstrect);
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40 void (*FreeHW)(_THIS, SDL_Overlay *overlay);
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41 };