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annotate src/video/SDL_sysvideo.h @ 1970:db3ba6c0d0df

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Allow the render context to do necessary work when the video mode changes.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 06 Aug 2006 04:39:13 +0000
parents 3182150b470f
children 754847f19490
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 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_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
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29 /* The SDL video driver */
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30
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31 typedef struct SDL_Window SDL_Window;
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32 typedef struct SDL_Texture SDL_Texture;
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33 typedef struct SDL_Renderer SDL_Renderer;
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34 typedef struct SDL_RenderDriver SDL_RenderDriver;
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35 typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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36 typedef struct SDL_VideoDevice SDL_VideoDevice;
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37
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38 /* Define the SDL texture structure */
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39 struct SDL_Texture
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40 {
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41 Uint32 id;
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42
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43 Uint32 format; /**< The pixel format of the texture */
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44 int access; /**< SDL_TextureAccess */
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45 int w; /**< The width of the texture */
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46 int h; /**< The height of the texture */
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47
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48 SDL_Renderer *renderer;
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49
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50 void *driverdata; /**< Driver specific texture representation */
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51
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52 SDL_Texture *next;
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53 };
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54
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55 /* Define the SDL renderer structure */
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56 struct SDL_Renderer
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57 {
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58 int (*ActivateRenderer) (SDL_Renderer * renderer);
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59 int (*DisplayModeChanged) (SDL_Renderer * renderer);
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60 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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61 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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62 void **pixels, int *pitch);
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63 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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64 const SDL_Color * colors, int firstcolor,
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65 int ncolors);
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66 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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67 SDL_Color * colors, int firstcolor,
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68 int ncolors);
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69 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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70 const SDL_Rect * rect, const void *pixels,
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71 int pitch);
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72 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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73 const SDL_Rect * rect, int markDirty, void **pixels,
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74 int *pitch);
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75 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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76 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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77 int numrects, const SDL_Rect * rects);
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78 int (*RenderFill) (SDL_Renderer * renderer, const SDL_Rect * rect,
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79 Uint32 color);
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80 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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81 const SDL_Rect * srcrect, const SDL_Rect * dstrect,
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82 int blendMode, int scaleMode);
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83 void (*RenderPresent) (SDL_Renderer * renderer);
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84 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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85
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86 void (*DestroyRenderer) (SDL_Renderer * renderer);
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87
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88 /* The current renderer info */
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89 SDL_RendererInfo info;
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90
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91 /* The window associated with the renderer */
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92 SDL_WindowID window;
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93
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94 void *driverdata;
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95 };
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96
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97 /* Define the SDL render driver structure */
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98 struct SDL_RenderDriver
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99 {
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100 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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101
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102 /* Info about the renderer capabilities */
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103 SDL_RendererInfo info;
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104 };
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105
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106 /* Define the SDL window structure, corresponding to toplevel windows */
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107 struct SDL_Window
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108 {
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109 Uint32 id;
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110
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111 char *title;
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112 int x, y;
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113 int w, h;
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114 Uint32 flags;
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115
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116 int display;
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117 SDL_Renderer *renderer;
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118
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119 void *userdata;
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120 void *driverdata;
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121 };
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122 #define FULLSCREEN_VISIBLE(W) \
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123 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \
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124 ((W)->flags & SDL_WINDOW_SHOWN) && \
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125 !((W)->flags & SDL_WINDOW_MINIMIZED))
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126
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127 /* Define the SDL display structure
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128 This corresponds to physical monitors attached to the system.
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129 */
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130 struct SDL_VideoDisplay
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131 {
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132 int max_display_modes;
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133 int num_display_modes;
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134 SDL_DisplayMode *display_modes;
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135 SDL_DisplayMode desktop_mode;
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136 SDL_DisplayMode current_mode;
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137 SDL_DisplayMode fullscreen_mode;
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138 SDL_Palette *palette;
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139
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140 Uint16 *gamma;
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141 Uint16 *saved_gamma; /* (just offset into gamma) */
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142
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143 int num_render_drivers;
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144 SDL_RenderDriver *render_drivers;
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145
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146 int num_windows;
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147 SDL_Window *windows;
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148
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149 SDL_Renderer *current_renderer;
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150
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151 /* The hash list of textures */
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152 SDL_Texture *textures[64];
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153
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154 SDL_VideoDevice *device;
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155
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156 void *driverdata;
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157 };
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158
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159 /* Define the SDL video driver structure */
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160 #define _THIS SDL_VideoDevice *_this
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161
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162 struct SDL_VideoDevice
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163 {
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164 /* * * */
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165 /* The name of this video driver */
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166 const char *name;
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167
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168 /* * * */
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169 /* Initialization/Query functions */
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170
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171 /* Initialize the native video subsystem, filling in the list
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172 of displays for this driver, returning 0 or -1 if there's an error.
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173 */
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174 int (*VideoInit) (_THIS);
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175
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176 /* Reverse the effects VideoInit() -- called if VideoInit() fails
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177 or if the application is shutting down the video subsystem.
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178 */
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179 void (*VideoQuit) (_THIS);
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180
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181 /* * * */
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182 /* Display functions
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183 */
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184
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185 /* Get a list of the available display modes.
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186 * e.g. SDL_AddDisplayMode(_this->current_display, mode)
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187 */
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188 void (*GetDisplayModes) (_THIS);
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189
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190 /* Setting the display mode is independent of creating windows,
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191 * so when the display mode is changed, all existing windows
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192 * should have their data updated accordingly, including the
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193 * display surfaces associated with them.
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194 */
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195 int (*SetDisplayMode) (_THIS, SDL_DisplayMode * mode);
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196
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197 /* Set the color entries of the display palette */
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198 int (*SetDisplayPalette) (_THIS, SDL_Palette * palette);
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199
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200 /* Get the color entries of the display palette */
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201 int (*GetDisplayPalette) (_THIS, SDL_Palette * palette);
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202
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203 /* Set the gamma ramp */
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204 int (*SetDisplayGammaRamp) (_THIS, Uint16 * ramp);
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205
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206 /* Get the gamma ramp */
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207 int (*GetDisplayGammaRamp) (_THIS, Uint16 * ramp);
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208
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209 /* * * */
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210 /* Window functions
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211 */
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212 int (*CreateWindow) (_THIS, SDL_Window * window);
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213 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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214 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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215 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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216 void (*SetWindowSize) (_THIS, SDL_Window * window);
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217 void (*ShowWindow) (_THIS, SDL_Window * window);
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218 void (*HideWindow) (_THIS, SDL_Window * window);
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219 void (*RaiseWindow) (_THIS, SDL_Window * window);
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220 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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221 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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222 void (*RestoreWindow) (_THIS, SDL_Window * window);
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223 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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224 void (*DestroyWindow) (_THIS, SDL_Window * window);
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225
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226 /* Get some platform dependent window information */
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227 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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228 struct SDL_SysWMinfo * info);
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229
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230 /* * * */
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231 /* OpenGL support
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232 */
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233 int (*GL_LoadLibrary) (_THIS, const char *path);
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234 void *(*GL_GetProcAddress) (_THIS, const char *proc);
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235 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);
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236 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);
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237 int (*GL_SetSwapInterval) (_THIS, int interval);
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238 int (*GL_GetSwapInterval) (_THIS);
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239 void (*GL_SwapWindow) (_THIS, SDL_Window * window);
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240 void (*GL_DeleteContext) (_THIS, SDL_GLContext context);
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241
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242 /* * * */
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243 /* Event manager functions
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244 */
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245 void (*PumpEvents) (_THIS);
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246
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247 /* * * */
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248 /* Data common to all drivers */
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249 int num_displays;
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250 SDL_VideoDisplay *displays;
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251 int current_display;
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252 Uint32 next_object_id;
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253
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254 /* * * */
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255 /* Data used by the GL drivers */
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256 struct
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257 {
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258 int red_size;
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259 int green_size;
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260 int blue_size;
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261 int alpha_size;
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262 int depth_size;
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263 int buffer_size;
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264 int stencil_size;
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265 int double_buffer;
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266 int accum_red_size;
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267 int accum_green_size;
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268 int accum_blue_size;
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269 int accum_alpha_size;
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270 int stereo;
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271 int multisamplebuffers;
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272 int multisamplesamples;
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273 int accelerated;
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274 int driver_loaded;
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275 char driver_path[256];
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276 void *dll_handle;
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277 } gl_config;
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278
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279 /* * * */
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280 /* Data private to this driver */
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281 void *driverdata;
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282 struct SDL_GLDriverData *gl_data;
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283
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284 /* * * */
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285 /* The function used to dispose of this structure */
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286 void (*free) (_THIS);
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287 };
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288
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289 typedef struct VideoBootStrap
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290 {
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291 const char *name;
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292 const char *desc;
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293 int (*available) (void);
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294 SDL_VideoDevice *(*create) (int devindex);
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295 } VideoBootStrap;
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296
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297 #if SDL_VIDEO_DRIVER_COCOA
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298 extern VideoBootStrap COCOA_bootstrap;
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299 #endif
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300 #if SDL_VIDEO_DRIVER_X11
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301 extern VideoBootStrap X11_bootstrap;
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302 #endif
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303 #if SDL_VIDEO_DRIVER_NANOX
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304 extern VideoBootStrap NX_bootstrap;
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305 #endif
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306 #if SDL_VIDEO_DRIVER_IPOD
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307 extern VideoBootStrap iPod_bootstrap;
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308 #endif
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309 #if SDL_VIDEO_DRIVER_QTOPIA
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310 extern VideoBootStrap Qtopia_bootstrap;
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311 #endif
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312 #if SDL_VIDEO_DRIVER_WSCONS
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313 extern VideoBootStrap WSCONS_bootstrap;
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314 #endif
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315 #if SDL_VIDEO_DRIVER_FBCON
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316 extern VideoBootStrap FBCON_bootstrap;
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317 #endif
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318 #if SDL_VIDEO_DRIVER_DIRECTFB
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319 extern VideoBootStrap DirectFB_bootstrap;
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320 #endif
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321 #if SDL_VIDEO_DRIVER_PS2GS
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322 extern VideoBootStrap PS2GS_bootstrap;
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323 #endif
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324 #if SDL_VIDEO_DRIVER_GGI
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325 extern VideoBootStrap GGI_bootstrap;
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326 #endif
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327 #if SDL_VIDEO_DRIVER_VGL
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328 extern VideoBootStrap VGL_bootstrap;
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329 #endif
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330 #if SDL_VIDEO_DRIVER_SVGALIB
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331 extern VideoBootStrap SVGALIB_bootstrap;
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332 #endif
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333 #if SDL_VIDEO_DRIVER_GAPI
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334 extern VideoBootStrap GAPI_bootstrap;
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335 #endif
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336 #if SDL_VIDEO_DRIVER_WIN32
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337 extern VideoBootStrap WIN32_bootstrap;
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338 #endif
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339 #if SDL_VIDEO_DRIVER_BWINDOW
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340 extern VideoBootStrap BWINDOW_bootstrap;
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341 #endif
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342 #if SDL_VIDEO_DRIVER_TOOLBOX
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343 extern VideoBootStrap TOOLBOX_bootstrap;
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344 #endif
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345 #if SDL_VIDEO_DRIVER_DRAWSPROCKET
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346 extern VideoBootStrap DSp_bootstrap;
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347 #endif
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348 #if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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349 extern VideoBootStrap CGX_bootstrap;
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350 #endif
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351 #if SDL_VIDEO_DRIVER_PHOTON
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352 extern VideoBootStrap ph_bootstrap;
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353 #endif
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354 #if SDL_VIDEO_DRIVER_EPOC
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355 extern VideoBootStrap EPOC_bootstrap;
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356 #endif
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357 #if SDL_VIDEO_DRIVER_XBIOS
281
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358 extern VideoBootStrap XBIOS_bootstrap;
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359 #endif
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360 #if SDL_VIDEO_DRIVER_GEM
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361 extern VideoBootStrap GEM_bootstrap;
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362 #endif
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363 #if SDL_VIDEO_DRIVER_DC
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364 extern VideoBootStrap DC_bootstrap;
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365 #endif
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366 #if SDL_VIDEO_DRIVER_RISCOS
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367 extern VideoBootStrap RISCOS_bootstrap;
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368 #endif
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369 #if SDL_VIDEO_DRIVER_OS2FS
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370 extern VideoBootStrap OS2FSLib_bootstrap;
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371 #endif
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372 #if SDL_VIDEO_DRIVER_DUMMY
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373 extern VideoBootStrap DUMMY_bootstrap;
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374 #endif
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375
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376 #define SDL_CurrentDisplay (_this->displays[_this->current_display])
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377
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378 extern SDL_VideoDevice *SDL_GetVideoDevice();
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379 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
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380 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
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381 extern SDL_bool SDL_AddDisplayMode(int displayIndex,
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382 const SDL_DisplayMode * mode);
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383 extern void SDL_AddRenderDriver(int displayIndex,
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384 const SDL_RenderDriver * driver);
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385
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386 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
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387 extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID);
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388 extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window);
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389
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390 extern void SDL_OnWindowShown(SDL_Window * window);
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391 extern void SDL_OnWindowHidden(SDL_Window * window);
1970
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392 extern void SDL_OnWindowResized(SDL_Window * window);
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Sam Lantinga <slouken@libsdl.org>
parents: 1737
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393 extern void SDL_OnWindowFocusGained(SDL_Window * window);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1737
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394 extern void SDL_OnWindowFocusLost(SDL_Window * window);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1737
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395 extern SDL_WindowID SDL_GetFocusWindow(void);
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74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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396
74212992fb08 Initial revision
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parents:
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397 #endif /* _SDL_sysvideo_h */
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1737
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398
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1737
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399 /* vi: set ts=4 sw=4 expandtab: */