annotate src/video/SDL_sysvideo.h @ 3502:98a819296cdc

Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode. If it loses any of those properties the desktop mode will be restored.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 01 Dec 2009 08:56:12 +0000
parents 467e67d301f3
children 42cfa69e351b
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_sysvideo_h
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25 #define _SDL_sysvideo_h
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26
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27 #include "SDL_mouse.h"
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28 #include "SDL_keysym.h"
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29
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30 /* The SDL video driver */
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31
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32 typedef struct SDL_Window SDL_Window;
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33 typedef struct SDL_Texture SDL_Texture;
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34 typedef struct SDL_Renderer SDL_Renderer;
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35 typedef struct SDL_RenderDriver SDL_RenderDriver;
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36 typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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37 typedef struct SDL_VideoDevice SDL_VideoDevice;
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38
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39 /* Define the SDL texture structure */
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40 struct SDL_Texture
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41 {
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42 Uint32 id;
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43
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44 Uint32 format; /**< The pixel format of the texture */
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45 int access; /**< SDL_TextureAccess */
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46 int w; /**< The width of the texture */
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47 int h; /**< The height of the texture */
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48 int modMode; /**< The texture modulation mode */
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49 int blendMode; /**< The texture blend mode */
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50 int scaleMode; /**< The texture scale mode */
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51 Uint8 r, g, b, a; /**< Texture modulation values */
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52
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53 SDL_Renderer *renderer;
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54
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55 void *driverdata; /**< Driver specific texture representation */
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56
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57 SDL_Texture *next;
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58 };
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59
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60 /* Define the SDL renderer structure */
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61 struct SDL_Renderer
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62 {
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63 int (*ActivateRenderer) (SDL_Renderer * renderer);
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64 int (*DisplayModeChanged) (SDL_Renderer * renderer);
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65 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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66 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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67 void **pixels, int *pitch);
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68 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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69 const SDL_Color * colors, int firstcolor,
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70 int ncolors);
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71 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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72 SDL_Color * colors, int firstcolor,
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73 int ncolors);
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74 int (*SetTextureColorMod) (SDL_Renderer * renderer,
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75 SDL_Texture * texture);
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76 int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
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77 SDL_Texture * texture);
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78 int (*SetTextureBlendMode) (SDL_Renderer * renderer,
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79 SDL_Texture * texture);
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80 int (*SetTextureScaleMode) (SDL_Renderer * renderer,
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81 SDL_Texture * texture);
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82 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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83 const SDL_Rect * rect, const void *pixels,
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84 int pitch);
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85 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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86 const SDL_Rect * rect, int markDirty, void **pixels,
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87 int *pitch);
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88 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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89 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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90 int numrects, const SDL_Rect * rects);
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91 int (*SetDrawColor) (SDL_Renderer * renderer);
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92 int (*SetDrawBlendMode) (SDL_Renderer * renderer);
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93 int (*RenderPoint) (SDL_Renderer * renderer, int x, int y);
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94 int (*RenderLine) (SDL_Renderer * renderer, int x1, int y1, int x2,
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95 int y2);
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96 int (*RenderFill) (SDL_Renderer * renderer, const SDL_Rect * rect);
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97 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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98 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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99 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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100 Uint32 format, void * pixels, int pitch);
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101 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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102 Uint32 format, const void * pixels, int pitch);
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103 void (*RenderPresent) (SDL_Renderer * renderer);
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104 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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105
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106 void (*DestroyRenderer) (SDL_Renderer * renderer);
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107
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108 /* The current renderer info */
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109 SDL_RendererInfo info;
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110
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111 /* The window associated with the renderer */
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112 SDL_WindowID window;
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113
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114 Uint8 r, g, b, a; /**< Color for drawing operations values */
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115 int blendMode; /**< The drawing blend mode */
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116
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117 void *driverdata;
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118 };
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119
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120 /* Define the SDL render driver structure */
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121 struct SDL_RenderDriver
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122 {
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123 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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124
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125 /* Info about the renderer capabilities */
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126 SDL_RendererInfo info;
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127 };
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128
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129 /* Define the SDL window structure, corresponding to toplevel windows */
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130 struct SDL_Window
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131 {
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132 Uint32 id;
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133
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134 char *title;
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135 int x, y;
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136 int w, h;
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137 Uint32 flags;
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138
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139 int display;
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140 SDL_Renderer *renderer;
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141
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142 SDL_DisplayMode fullscreen_mode;
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143
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144 void *userdata;
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145 void *driverdata;
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146 };
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147 #define FULLSCREEN_VISIBLE(W) \
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148 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \
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149 ((W)->flags & SDL_WINDOW_SHOWN) && \
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150 ((W)->flags & SDL_WINDOW_INPUT_FOCUS) && \
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151 !((W)->flags & SDL_WINDOW_MINIMIZED))
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152
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153 /*
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154 * Define the SDL display structure This corresponds to physical monitors
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155 * attached to the system.
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156 */
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157 struct SDL_VideoDisplay
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158 {
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159 int max_display_modes;
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160 int num_display_modes;
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161 SDL_DisplayMode *display_modes;
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162 SDL_DisplayMode desktop_mode;
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163 SDL_DisplayMode current_mode;
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164 SDL_bool updating_fullscreen;
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165 SDL_Palette *palette;
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166
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167 Uint16 *gamma;
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168 Uint16 *saved_gamma; /* (just offset into gamma) */
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169
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170 int num_render_drivers;
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171 SDL_RenderDriver *render_drivers;
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172
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173 int num_windows;
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174 SDL_Window *windows;
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175
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176 SDL_Renderer *current_renderer;
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177
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178 /* The hash list of textures */
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179 SDL_Texture *textures[64];
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180
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181 SDL_VideoDevice *device;
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182
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183 void *driverdata;
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184 };
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185
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186 /* Define the SDL video driver structure */
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187 #define _THIS SDL_VideoDevice *_this
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188
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189 struct SDL_VideoDevice
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190 {
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191 /* * * */
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192 /* The name of this video driver */
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193 const char *name;
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194
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195 /* * * */
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196 /* Initialization/Query functions */
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197
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198 /*
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199 * Initialize the native video subsystem, filling in the list of
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200 * displays for this driver, returning 0 or -1 if there's an error.
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201 */
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202 int (*VideoInit) (_THIS);
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203
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204 /*
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205 * Reverse the effects VideoInit() -- called if VideoInit() fails or
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206 * if the application is shutting down the video subsystem.
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207 */
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208 void (*VideoQuit) (_THIS);
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209
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210 /* * * */
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211 /*
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212 * Display functions
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213 */
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214
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215 /*
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216 * Get a list of the available display modes. e.g.
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217 * SDL_AddDisplayMode(_this->current_display, mode)
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218 */
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219 void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display);
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220
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221 /*
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222 * Setting the display mode is independent of creating windows, so
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223 * when the display mode is changed, all existing windows should have
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224 * their data updated accordingly, including the display surfaces
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225 * associated with them.
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226 */
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227 int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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228
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229 /* Set the color entries of the display palette */
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230 int (*SetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette);
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231
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232 /* Get the color entries of the display palette */
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233 int (*GetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette);
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234
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235 /* Set the gamma ramp */
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236 int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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237
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238 /* Get the gamma ramp */
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239 int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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240
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241 /* * * */
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242 /*
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243 * Window functions
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244 */
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245 int (*CreateWindow) (_THIS, SDL_Window * window);
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246 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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247 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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248 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon);
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249 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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250 void (*SetWindowSize) (_THIS, SDL_Window * window);
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251 void (*ShowWindow) (_THIS, SDL_Window * window);
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252 void (*HideWindow) (_THIS, SDL_Window * window);
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253 void (*RaiseWindow) (_THIS, SDL_Window * window);
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254 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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255 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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256 void (*RestoreWindow) (_THIS, SDL_Window * window);
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257 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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258 void (*DestroyWindow) (_THIS, SDL_Window * window);
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259
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260 /* Get some platform dependent window information */
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261 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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262 struct SDL_SysWMinfo * info);
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263
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264 /* * * */
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265 /*
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266 * OpenGL support
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267 */
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268 int (*GL_LoadLibrary) (_THIS, const char *path);
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269 void *(*GL_GetProcAddress) (_THIS, const char *proc);
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270 void (*GL_UnloadLibrary) (_THIS);
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271 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);
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272 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);
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273 int (*GL_SetSwapInterval) (_THIS, int interval);
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274 int (*GL_GetSwapInterval) (_THIS);
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275 void (*GL_SwapWindow) (_THIS, SDL_Window * window);
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276 void (*GL_DeleteContext) (_THIS, SDL_GLContext context);
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277
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278 /* * * */
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279 /*
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280 * Event manager functions
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281 */
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282 void (*PumpEvents) (_THIS);
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283
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284 /* Suspend the screensaver */
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285 void (*SuspendScreenSaver) (_THIS);
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286
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287 /* Text input */
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288 void (*StartTextInput) (_THIS);
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289 void (*StopTextInput) (_THIS);
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290 void (*SetTextInputRect) (_THIS, SDL_Rect *rect);
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291
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292 /* * * */
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293 /* Data common to all drivers */
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294 SDL_bool suspend_screensaver;
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295 int num_displays;
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296 SDL_VideoDisplay *displays;
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297 int current_display;
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298 Uint32 next_object_id;
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299
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300 /* * * */
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301 /* Data used by the GL drivers */
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302 struct
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303 {
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304 int red_size;
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305 int green_size;
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306 int blue_size;
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307 int alpha_size;
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308 int depth_size;
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309 int buffer_size;
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310 int stencil_size;
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311 int double_buffer;
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312 int accum_red_size;
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313 int accum_green_size;
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314 int accum_blue_size;
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315 int accum_alpha_size;
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316 int stereo;
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317 int multisamplebuffers;
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318 int multisamplesamples;
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319 int accelerated;
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320 int major_version;
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321 int minor_version;
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322 int retained_backing;
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323 int driver_loaded;
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324 char driver_path[256];
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325 void *dll_handle;
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326 } gl_config;
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327
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328 /* * * */
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329 /* Data private to this driver */
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330 void *driverdata;
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331 struct SDL_GLDriverData *gl_data;
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332
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333 #if SDL_VIDEO_DRIVER_PANDORA
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334 struct SDL_PrivateGLESData *gles_data;
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335 #endif
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336
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337 /* * * */
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338 /* The function used to dispose of this structure */
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339 void (*free) (_THIS);
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340 };
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341
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342 typedef struct VideoBootStrap
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343 {
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344 const char *name;
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345 const char *desc;
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346 int (*available) (void);
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347 SDL_VideoDevice *(*create) (int devindex);
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348 } VideoBootStrap;
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349
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350 #if SDL_VIDEO_DRIVER_COCOA
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351 extern VideoBootStrap COCOA_bootstrap;
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352 #endif
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353 #if SDL_VIDEO_DRIVER_X11
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354 extern VideoBootStrap X11_bootstrap;
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355 #endif
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356 #if SDL_VIDEO_DRIVER_FBCON
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357 extern VideoBootStrap FBCON_bootstrap;
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358 #endif
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359 #if SDL_VIDEO_DRIVER_DIRECTFB
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360 extern VideoBootStrap DirectFB_bootstrap;
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361 #endif
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362 #if SDL_VIDEO_DRIVER_PS2GS
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363 extern VideoBootStrap PS2GS_bootstrap;
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364 #endif
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365 #if SDL_VIDEO_DRIVER_PS3
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366 extern VideoBootStrap PS3_bootstrap;
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367 #endif
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368 #if SDL_VIDEO_DRIVER_SVGALIB
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369 extern VideoBootStrap SVGALIB_bootstrap;
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370 #endif
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371 #if SDL_VIDEO_DRIVER_GAPI
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372 extern VideoBootStrap GAPI_bootstrap;
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373 #endif
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374 #if SDL_VIDEO_DRIVER_WIN32
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375 extern VideoBootStrap WIN32_bootstrap;
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376 #endif
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377 #if SDL_VIDEO_DRIVER_BWINDOW
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378 extern VideoBootStrap BWINDOW_bootstrap;
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379 #endif
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380 #if SDL_VIDEO_DRIVER_PHOTON
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381 extern VideoBootStrap photon_bootstrap;
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382 #endif
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383 #if SDL_VIDEO_DRIVER_QNXGF
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384 extern VideoBootStrap qnxgf_bootstrap;
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385 #endif
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386 #if SDL_VIDEO_DRIVER_EPOC
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387 extern VideoBootStrap EPOC_bootstrap;
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388 #endif
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389 #if SDL_VIDEO_DRIVER_RISCOS
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390 extern VideoBootStrap RISCOS_bootstrap;
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391 #endif
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392 #if SDL_VIDEO_DRIVER_UIKIT
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393 extern VideoBootStrap UIKIT_bootstrap;
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394 #endif
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395 #if SDL_VIDEO_DRIVER_DUMMY
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396 extern VideoBootStrap DUMMY_bootstrap;
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397 #endif
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398 #if SDL_VIDEO_DRIVER_NDS
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399 extern VideoBootStrap NDS_bootstrap;
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400 #endif
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401 #if SDL_VIDEO_DRIVER_PANDORA
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402 extern VideoBootStrap PND_bootstrap;
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403 #endif
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404
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405 #define SDL_CurrentDisplay (_this->displays[_this->current_display])
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406 #define SDL_CurrentRenderer (SDL_CurrentDisplay.current_renderer)
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407
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408 extern SDL_VideoDevice *SDL_GetVideoDevice();
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409 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
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410 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
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411 extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode);
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412 extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display);
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413 extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode);
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414 extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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415 extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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416 extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
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417 extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode);
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418 extern int SDL_SetPaletteForDisplay(SDL_VideoDisplay * display, const SDL_Color * colors, int firstcolor, int ncolors);
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419 extern int SDL_GetPaletteForDisplay(SDL_VideoDisplay * display, SDL_Color * colors, int firstcolor, int ncolors);
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420 extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue);
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421 extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue);
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422 extern void SDL_AddRenderDriver(SDL_VideoDisplay *display, const SDL_RenderDriver * driver);
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423
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424 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
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425 extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID);
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426 extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window);
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427
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428 extern void SDL_OnWindowShown(SDL_Window * window);
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429 extern void SDL_OnWindowHidden(SDL_Window * window);
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430 extern void SDL_OnWindowResized(SDL_Window * window);
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431 extern void SDL_OnWindowMinimized(SDL_Window * window);
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432 extern void SDL_OnWindowRestored(SDL_Window * window);
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433 extern void SDL_OnWindowFocusGained(SDL_Window * window);
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434 extern void SDL_OnWindowFocusLost(SDL_Window * window);
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435 extern SDL_WindowID SDL_GetFocusWindow(void);
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436
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437 #endif /* _SDL_sysvideo_h */
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438
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439 /* vi: set ts=4 sw=4 expandtab: */