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annotate src/video/directfb/SDL_DirectFB_video.h @ 2683:e858ac8868b6 gsoc2008_nds

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Ongoing video render work; initial work on NDS Timers.
author Darren Alton <dalton@stevens.edu>
date Fri, 08 Aug 2008 08:22:08 +0000
parents 0e70b4b8cf84
children e82a0e3e9b0e
rev   line source
167
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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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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_video_h
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25 #define _SDL_DirectFB_video_h
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26
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27 #include <directfb.h>
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28 #include <directfb_version.h>
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29
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30 #define LOG_CHANNEL stdout
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31
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32 #if (DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23)
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33 #error "SDL_DIRECTFB: Please compile against libdirectfb version >=0.9.24"
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34 #endif
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35
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36 #if (DIRECTFB_MAJOR_VERSION >= 1) && (DIRECTFB_MINOR_VERSION >= 0) && (DIRECTFB_MICRO_VERSION >= 0 )
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37 #define SDL_DIRECTFB_OPENGL 1
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38 #include <directfbgl.h>
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39 #endif
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40
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41 #if SDL_DIRECTFB_OPENGL
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42 #include "SDL_loadso.h"
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43 #endif
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44
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45 #include "SDL_mouse.h"
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46 #include "../SDL_sysvideo.h"
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47
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48 #define DEBUG 1
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49
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50 #define SDL_DFB_RELEASE(x) do { if ( x ) { x->Release(x); x = NULL; } } while (0)
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51 #define SDL_DFB_FREE(x) do { if ( x ) { SDL_free(x); x = NULL; } } while (0)
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52 #define SDL_DFB_UNLOCK(x) do { if ( x ) { x->Unlock(x); } } while (0)
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53
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54 #if DEBUG
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55 #define SDL_DFB_DEBUG(x...) do { fprintf(LOG_CHANNEL, "%s:", __FUNCTION__); fprintf(LOG_CHANNEL, x); } while (0)
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56 #define SDL_DFB_DEBUGC(x...) do { fprintf(LOG_CHANNEL, x); } while (0)
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57 #else
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58 #define SDL_DFB_DEBUG(x...) do { } while (0)
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59 #define SDL_DFB_DEBUGC(x...) do { } while (0)
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60 #endif
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61
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62 #define SDL_DFB_CONTEXT "SDL_DirectFB"
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63
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64 #define SDL_DFB_ERR(x...) \
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65 do { \
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66 fprintf(LOG_CHANNEL, "%s: %s <%d>:\n\t", \
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67 SDL_DFB_CONTEXT, __FILE__, __LINE__ ); \
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68 fprintf(LOG_CHANNEL, x ); \
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69 } while (0)
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70
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71 #define SDL_DFB_CHECK(x...) \
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72 do { \
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73 ret = x; \
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74 if (ret != DFB_OK) { \
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75 fprintf(LOG_CHANNEL, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
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76 SDL_SetError( #x, DirectFBErrorString (ret) ); \
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77 } \
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78 } while (0)
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79
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80 #define SDL_DFB_CHECKERR(x...) \
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81 do { \
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82 ret = x; \
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83 if (ret != DFB_OK) { \
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84 fprintf(LOG_CHANNEL, "%s <%d>:\n", __FILE__, __LINE__ ); \
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85 fprintf(LOG_CHANNEL, "\t%s\n", #x ); \
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86 fprintf(LOG_CHANNEL, "\t%s\n", DirectFBErrorString (ret) ); \
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87 SDL_SetError( #x, DirectFBErrorString (ret) ); \
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88 goto error; \
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89 } \
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90 } while (0)
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91
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92 #define SDL_DFB_CALLOC(r, n, s) \
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93 do { \
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94 r = SDL_calloc (n, s); \
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95 if (!(r)) { \
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96 fprintf( LOG_CHANNEL, "%s <%d>:\n\t", __FILE__, __LINE__ ); \
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97 SDL_OutOfMemory(); \
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98 goto error; \
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99 } \
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100 } while (0)
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101
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102 /* Private display data */
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103
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104 #define SDL_DFB_DEVICEDATA(dev) DFB_DeviceData *devdata = (DFB_DeviceData *) ((dev)->driverdata)
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105 #define SDL_DFB_WINDOWDATA(win) DFB_WindowData *windata = ((win) ? (DFB_WindowData *) ((win)->driverdata) : NULL)
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106 #define SDL_DFB_DISPLAYDATA(dev, win) DFB_DisplayData *dispdata = ((win && dev) ? (DFB_DisplayData *) (dev)->displays[(win)->display].driverdata : NULL)
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107
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108 typedef struct _DFB_DisplayData DFB_DisplayData;
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109
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110 #define DFB_MAX_SCREENS 10
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111 #define DFB_MAX_MODES 50
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112
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113 struct _DFB_DisplayData
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114 {
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115 IDirectFBDisplayLayer *layer;
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116 DFBSurfacePixelFormat pixelformat;
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117 DFBDisplayLayerID vidID;
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118
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119 int cw;
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120 int ch;
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121
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122 int nummodes;
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123 SDL_DisplayMode *modelist;
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124
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125 #if 0
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126 WMcursor *last_cursor;
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127 WMcursor *blank_cursor;
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128 WMcursor *default_cursor;
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129 #endif
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130 };
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131
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132
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133 typedef struct _DFB_WindowData DFB_WindowData;
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134 struct _DFB_WindowData
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135 {
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136 IDirectFBSurface *surface;
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137 IDirectFBPalette *palette;
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138 IDirectFBWindow *window;
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139 IDirectFBGL *gl_context;
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140 IDirectFBEventBuffer *eventbuffer;
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141 DFBWindowID windowID;
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142 int id; // SDL window id
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143 DFB_WindowData *next;
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144 u8 opacity;
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145 };
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146
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147 typedef struct _DFB_DeviceData DFB_DeviceData;
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148 struct _DFB_DeviceData
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149 {
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150 int initialized;
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151
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152 IDirectFB *dfb;
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153 int mouse;
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154 int keyboard;
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155 DFB_WindowData *firstwin;
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156
2226
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157 int numscreens;
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158 DFBScreenID screenid[DFB_MAX_SCREENS];
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159 DFBDisplayLayerID gralayer[DFB_MAX_SCREENS];
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160 DFBDisplayLayerID vidlayer[DFB_MAX_SCREENS];
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161
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162 // auxiliary integer for callbacks
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163 int aux;
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164
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165 // OpenGL
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166 void (*glFinish) (void);
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167 void (*glFlush) (void);
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168 };
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169
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170 struct SDL_GLDriverData
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171 {
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172 int gl_active; /* to stop switching drivers while we have a valid context */
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173
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174 #if SDL_DIRECTFB_OPENGL
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175 IDirectFBGL *gl_context;
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176 #endif /* SDL_DIRECTFB_OPENGL */
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177 };
478
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178
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179 #endif /* _SDL_DirectFB_video_h */