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annotate src/video/SDL_sysvideo.h @ 5157:fb424691cfc7

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Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 02 Feb 2011 14:34:54 -0800
parents 1435f8a6425c
children 2b1989f59674
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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_shape.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_WindowShaper SDL_WindowShaper;
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32 typedef struct SDL_ShapeDriver SDL_ShapeDriver;
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33 typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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34 typedef struct SDL_VideoDevice SDL_VideoDevice;
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35
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36 /* Define the SDL window-shaper structure */
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37 struct SDL_WindowShaper
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38 {
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39 /* The window associated with the shaper */
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40 SDL_Window *window;
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41
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42 /* The user's specified coordinates for the window, for once we give it a shape. */
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43 Uint32 userx,usery;
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44
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45 /* The parameters for shape calculation. */
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46 SDL_WindowShapeMode mode;
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47
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48 /* Has this window been assigned a shape? */
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49 SDL_bool hasshape;
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50
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51 void *driverdata;
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52 };
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53
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54 /* Define the SDL shape driver structure */
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55 struct SDL_ShapeDriver
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56 {
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57 SDL_WindowShaper *(*CreateShaper)(SDL_Window * window);
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58 int (*SetWindowShape)(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode);
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59 int (*ResizeWindowShape)(SDL_Window *window);
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60 };
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61
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62 /* Define the SDL window structure, corresponding to toplevel windows */
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63 struct SDL_Window
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64 {
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65 const void *magic;
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66 Uint32 id;
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67 char *title;
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68 int x, y;
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69 int w, h;
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70 Uint32 flags;
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71
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72 SDL_VideoDisplay *display;
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73
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74 SDL_DisplayMode fullscreen_mode;
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75
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76 SDL_WindowShaper *shaper;
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77
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78 void *userdata;
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79 void *driverdata;
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81 SDL_Window *prev;
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82 SDL_Window *next;
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83 };
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84 #define FULLSCREEN_VISIBLE(W) \
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85 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \
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86 ((W)->flags & SDL_WINDOW_SHOWN) && \
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87 !((W)->flags & SDL_WINDOW_MINIMIZED))
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88
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89 /*
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90 * Define the SDL display structure This corresponds to physical monitors
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91 * attached to the system.
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92 */
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93 struct SDL_VideoDisplay
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94 {
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95 int max_display_modes;
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96 int num_display_modes;
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97 SDL_DisplayMode *display_modes;
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98 SDL_DisplayMode desktop_mode;
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99 SDL_DisplayMode current_mode;
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100 SDL_bool updating_fullscreen;
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101
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102 Uint16 *gamma;
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103 Uint16 *saved_gamma; /* (just offset into gamma) */
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104
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105 SDL_Window *windows;
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106 SDL_Window *fullscreen_window;
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107
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108 SDL_VideoDevice *device;
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109
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110 void *driverdata;
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111 };
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112
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113 /* Define the SDL video driver structure */
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114 #define _THIS SDL_VideoDevice *_this
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115
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116 struct SDL_VideoDevice
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117 {
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118 /* * * */
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119 /* The name of this video driver */
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120 const char *name;
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121
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122 /* * * */
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123 /* Initialization/Query functions */
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124
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125 /*
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126 * Initialize the native video subsystem, filling in the list of
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127 * displays for this driver, returning 0 or -1 if there's an error.
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128 */
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129 int (*VideoInit) (_THIS);
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130
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131 /*
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132 * Reverse the effects VideoInit() -- called if VideoInit() fails or
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133 * if the application is shutting down the video subsystem.
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134 */
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135 void (*VideoQuit) (_THIS);
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136
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137 /* * * */
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138 /*
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139 * Display functions
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140 */
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141
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142 /*
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143 * Get the bounds of a display
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144 */
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145 int (*GetDisplayBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect);
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146
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147 /*
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148 * Get a list of the available display modes. e.g.
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149 * SDL_AddDisplayMode(_this->current_display, mode)
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150 */
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151 void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display);
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152
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153 /*
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154 * Setting the display mode is independent of creating windows, so
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155 * when the display mode is changed, all existing windows should have
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156 * their data updated accordingly, including the display surfaces
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157 * associated with them.
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158 */
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159 int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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160
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161 /* Set the gamma ramp */
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162 int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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163
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164 /* Get the gamma ramp */
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165 int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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166
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167 /* * * */
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168 /*
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169 * Window functions
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170 */
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171 int (*CreateWindow) (_THIS, SDL_Window * window);
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172 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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173 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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174 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon);
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175 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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176 void (*SetWindowSize) (_THIS, SDL_Window * window);
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177 void (*ShowWindow) (_THIS, SDL_Window * window);
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178 void (*HideWindow) (_THIS, SDL_Window * window);
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179 void (*RaiseWindow) (_THIS, SDL_Window * window);
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180 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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181 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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182 void (*RestoreWindow) (_THIS, SDL_Window * window);
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183 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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184 void (*DestroyWindow) (_THIS, SDL_Window * window);
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185
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186 /* * * */
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187 /*
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188 * Shaped-window functions
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189 */
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190 SDL_ShapeDriver shape_driver;
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191
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192 /* Get some platform dependent window information */
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193 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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194 struct SDL_SysWMinfo * info);
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195
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196 /* * * */
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197 /*
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198 * OpenGL support
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199 */
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200 int (*GL_LoadLibrary) (_THIS, const char *path);
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201 void *(*GL_GetProcAddress) (_THIS, const char *proc);
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202 void (*GL_UnloadLibrary) (_THIS);
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203 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);
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204 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);
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205 int (*GL_SetSwapInterval) (_THIS, int interval);
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206 int (*GL_GetSwapInterval) (_THIS);
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207 void (*GL_SwapWindow) (_THIS, SDL_Window * window);
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208 void (*GL_DeleteContext) (_THIS, SDL_GLContext context);
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209
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210 /* * * */
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211 /*
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212 * Event manager functions
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213 */
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214 void (*PumpEvents) (_THIS);
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215
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216 /* Suspend the screensaver */
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217 void (*SuspendScreenSaver) (_THIS);
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218
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219 /* Text input */
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220 void (*StartTextInput) (_THIS);
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221 void (*StopTextInput) (_THIS);
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222 void (*SetTextInputRect) (_THIS, SDL_Rect *rect);
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223
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224 /* Clipboard */
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225 int (*SetClipboardText) (_THIS, const char *text);
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226 char * (*GetClipboardText) (_THIS);
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227 SDL_bool (*HasClipboardText) (_THIS);
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228
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229 /* * * */
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230 /* Data common to all drivers */
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231 SDL_bool suspend_screensaver;
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232 int num_displays;
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233 SDL_VideoDisplay *displays;
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234 int current_display;
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235 Uint8 window_magic;
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236 Uint32 next_object_id;
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237 char * clipboard_text;
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238
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239 /* * * */
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240 /* Data used by the GL drivers */
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241 struct
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242 {
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243 int red_size;
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244 int green_size;
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245 int blue_size;
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246 int alpha_size;
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247 int depth_size;
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248 int buffer_size;
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249 int stencil_size;
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250 int double_buffer;
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251 int accum_red_size;
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252 int accum_green_size;
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253 int accum_blue_size;
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254 int accum_alpha_size;
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255 int stereo;
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256 int multisamplebuffers;
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257 int multisamplesamples;
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258 int accelerated;
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259 int major_version;
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260 int minor_version;
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261 int retained_backing;
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262 int driver_loaded;
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263 char driver_path[256];
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264 void *dll_handle;
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265 } gl_config;
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266
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267 /* * * */
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268 /* Data private to this driver */
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269 void *driverdata;
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270 struct SDL_GLDriverData *gl_data;
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271
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272 #if SDL_VIDEO_DRIVER_PANDORA
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273 struct SDL_PrivateGLESData *gles_data;
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274 #endif
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275
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276 /* * * */
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277 /* The function used to dispose of this structure */
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278 void (*free) (_THIS);
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279 };
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280
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281 typedef struct VideoBootStrap
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282 {
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283 const char *name;
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284 const char *desc;
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285 int (*available) (void);
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286 SDL_VideoDevice *(*create) (int devindex);
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287 } VideoBootStrap;
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288
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289 #if SDL_VIDEO_DRIVER_COCOA
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290 extern VideoBootStrap COCOA_bootstrap;
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291 #endif
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292 #if SDL_VIDEO_DRIVER_X11
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293 extern VideoBootStrap X11_bootstrap;
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294 #endif
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295 #if SDL_VIDEO_DRIVER_DIRECTFB
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296 extern VideoBootStrap DirectFB_bootstrap;
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297 #endif
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298 #if SDL_VIDEO_DRIVER_WINDOWS
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299 extern VideoBootStrap WINDOWS_bootstrap;
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300 #endif
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301 #if SDL_VIDEO_DRIVER_BWINDOW
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302 extern VideoBootStrap BWINDOW_bootstrap;
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303 #endif
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304 #if SDL_VIDEO_DRIVER_PANDORA
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305 extern VideoBootStrap PND_bootstrap;
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306 #endif
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307 #if SDL_VIDEO_DRIVER_NDS
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308 extern VideoBootStrap NDS_bootstrap;
173
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309 #endif
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310 #if SDL_VIDEO_DRIVER_UIKIT
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311 extern VideoBootStrap UIKIT_bootstrap;
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312 #endif
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313 #if SDL_VIDEO_DRIVER_ANDROID
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314 extern VideoBootStrap Android_bootstrap;
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315 #endif
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316 #if SDL_VIDEO_DRIVER_DUMMY
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317 extern VideoBootStrap DUMMY_bootstrap;
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318 #endif
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319
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320 #define SDL_CurrentDisplay (&_this->displays[_this->current_display])
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321
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322 extern SDL_VideoDevice *SDL_GetVideoDevice(void);
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323 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
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324 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
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325 extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode);
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326 extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display);
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327 extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode);
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328 extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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329 extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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330 extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
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331 extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode);
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332 extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue);
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333 extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue);
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334
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335 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
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336
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337 extern void SDL_OnWindowShown(SDL_Window * window);
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338 extern void SDL_OnWindowHidden(SDL_Window * window);
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339 extern void SDL_OnWindowMinimized(SDL_Window * window);
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340 extern void SDL_OnWindowRestored(SDL_Window * window);
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341 extern void SDL_OnWindowFocusGained(SDL_Window * window);
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342 extern void SDL_OnWindowFocusLost(SDL_Window * window);
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343 extern SDL_Window * SDL_GetFocusWindow(void);
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344
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345 #endif /* _SDL_sysvideo_h */
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347 /* vi: set ts=4 sw=4 expandtab: */