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annotate src/video/directfb/SDL_DirectFB_modes.h @ 3363:90aec03bf9fd

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Fixed bug #627 Increased accuracy of alpha blend calculation
author Sam Lantinga <slouken@libsdl.org>
date Sat, 10 Oct 2009 07:48:57 +0000
parents 99210400e8b9
children 4b594623401b
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 #include "SDL_config.h"
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23
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24 #ifndef _SDL_directfb_modes_h
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25 #define _SDL_directfb_modes_h
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26
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27 #include "SDL_DirectFB_video.h"
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28
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29 #define SDL_DFB_DISPLAYDATA(dev, win) DFB_DisplayData *dispdata = ((win && dev) ? (DFB_DisplayData *) (dev)->displays[(win)->display].driverdata : NULL)
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30
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31 typedef struct _DFB_DisplayData DFB_DisplayData;
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32 struct _DFB_DisplayData
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33 {
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34 IDirectFBDisplayLayer *layer;
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35 DFBSurfacePixelFormat pixelformat;
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36 /* FIXME: support for multiple video layer.
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37 * However, I do not know any card supporting
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38 * more than one
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39 */
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40 DFBDisplayLayerID vidID;
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41 IDirectFBDisplayLayer *vidlayer;
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42
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43 int vidIDinuse;
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44
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45 int cw;
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46 int ch;
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47 };
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48
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49
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50 extern void DirectFB_InitModes(_THIS);
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51 extern void DirectFB_GetDisplayModes(_THIS);
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52 extern int DirectFB_SetDisplayMode(_THIS, SDL_DisplayMode * mode);
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53 extern void DirectFB_QuitModes(_THIS);
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54
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55 #endif /* _SDL_directfb_modes_h */
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56
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57 /* vi: set ts=4 sw=4 expandtab: */