annotate src/video/SDL_sysvideo.h @ 4495:dbbfdb9ea716

Simplified clipboard API for sanity's sake. A complete clipboard implementation would support multiple formats that could be queried at runtime, events for when the clipboard contents changed, support for HTML, images, etc. We're not going that crazy, at least for now. :)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 07 Jul 2010 23:54:03 -0700
parents 791b3256fb22
children e1664f94f026 436183eb30c8
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_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_Renderer SDL_Renderer;
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33 typedef struct SDL_RenderDriver SDL_RenderDriver;
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34 typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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35 typedef struct SDL_VideoDevice SDL_VideoDevice;
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36
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37 /* Define the SDL texture structure */
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38 struct SDL_Texture
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39 {
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40 const void *magic;
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41 Uint32 format; /**< The pixel format of the texture */
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42 int access; /**< SDL_TextureAccess */
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43 int w; /**< The width of the texture */
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44 int h; /**< The height of the texture */
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45 int modMode; /**< The texture modulation mode */
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46 int blendMode; /**< The texture blend mode */
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47 int scaleMode; /**< The texture scale mode */
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48 Uint8 r, g, b, a; /**< Texture modulation values */
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49
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50 SDL_Renderer *renderer;
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51
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52 void *driverdata; /**< Driver specific texture representation */
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53
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54 SDL_Texture *prev;
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55 SDL_Texture *next;
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56 };
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57
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58 /* Define the SDL renderer structure */
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59 struct SDL_Renderer
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60 {
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61 int (*ActivateRenderer) (SDL_Renderer * renderer);
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62 int (*DisplayModeChanged) (SDL_Renderer * renderer);
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63 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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64 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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65 void **pixels, int *pitch);
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66 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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67 const SDL_Color * colors, int firstcolor,
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68 int ncolors);
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69 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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70 SDL_Color * colors, int firstcolor,
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71 int ncolors);
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72 int (*SetTextureColorMod) (SDL_Renderer * renderer,
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73 SDL_Texture * texture);
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74 int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
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75 SDL_Texture * texture);
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76 int (*SetTextureBlendMode) (SDL_Renderer * renderer,
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77 SDL_Texture * texture);
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78 int (*SetTextureScaleMode) (SDL_Renderer * renderer,
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79 SDL_Texture * texture);
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80 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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81 const SDL_Rect * rect, const void *pixels,
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82 int pitch);
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83 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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84 const SDL_Rect * rect, int markDirty, void **pixels,
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85 int *pitch);
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86 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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87 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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88 int numrects, const SDL_Rect * rects);
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89 int (*SetDrawColor) (SDL_Renderer * renderer);
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90 int (*SetDrawBlendMode) (SDL_Renderer * renderer);
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91 int (*RenderClear) (SDL_Renderer * renderer);
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92 int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_Point * points,
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93 int count);
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94 int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_Point * points,
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95 int count);
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96 int (*RenderDrawRects) (SDL_Renderer * renderer, const SDL_Rect ** rects,
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97 int count);
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98 int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_Rect ** rects,
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99 int count);
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100 int (*RenderDrawEllipse) (SDL_Renderer * renderer, int x, int y,
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101 int w, int h);
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102 int (*RenderFillEllipse) (SDL_Renderer * renderer, int x, int y,
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103 int w, int h);
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104 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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105 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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106 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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107 Uint32 format, void * pixels, int pitch);
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108 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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109 Uint32 format, const void * pixels, int pitch);
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110 void (*RenderPresent) (SDL_Renderer * renderer);
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111 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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112
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113 void (*DestroyRenderer) (SDL_Renderer * renderer);
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114
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115 /* The current renderer info */
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116 SDL_RendererInfo info;
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117
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118 /* The window associated with the renderer */
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119 SDL_Window *window;
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121 /* The list of textures */
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122 SDL_Texture *textures;
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123
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124 Uint8 r, g, b, a; /**< Color for drawing operations values */
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125 int blendMode; /**< The drawing blend mode */
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126
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127 void *driverdata;
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128 };
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129
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130 /* Define the SDL render driver structure */
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131 struct SDL_RenderDriver
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132 {
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133 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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134
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135 /* Info about the renderer capabilities */
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136 SDL_RendererInfo info;
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137 };
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138
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139 /* Define the SDL window structure, corresponding to toplevel windows */
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140 struct SDL_Window
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141 {
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142 const void *magic;
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143 Uint32 id;
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144 char *title;
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145 int x, y;
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146 int w, h;
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147 Uint32 flags;
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148
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149 SDL_VideoDisplay *display;
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150 SDL_Renderer *renderer;
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151
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152 SDL_DisplayMode fullscreen_mode;
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153
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154 void *userdata;
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155 void *driverdata;
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156
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157 SDL_Window *prev;
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158 SDL_Window *next;
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159 };
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160 #define FULLSCREEN_VISIBLE(W) \
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161 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \
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162 ((W)->flags & SDL_WINDOW_SHOWN) && \
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163 !((W)->flags & SDL_WINDOW_MINIMIZED))
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164
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165 /*
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166 * Define the SDL display structure This corresponds to physical monitors
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167 * attached to the system.
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168 */
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169 struct SDL_VideoDisplay
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170 {
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171 int max_display_modes;
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172 int num_display_modes;
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173 SDL_DisplayMode *display_modes;
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174 SDL_DisplayMode desktop_mode;
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175 SDL_DisplayMode current_mode;
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176 SDL_bool updating_fullscreen;
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177 SDL_Palette *palette;
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178
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179 Uint16 *gamma;
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180 Uint16 *saved_gamma; /* (just offset into gamma) */
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181
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182 int num_render_drivers;
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183 SDL_RenderDriver *render_drivers;
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184
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185 SDL_Window *windows;
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186 SDL_Window *fullscreen_window;
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187
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188 SDL_Renderer *current_renderer;
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189
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190 SDL_VideoDevice *device;
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191
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192 void *driverdata;
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193 };
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194
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195 /* Define the SDL video driver structure */
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196 #define _THIS SDL_VideoDevice *_this
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197
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198 struct SDL_VideoDevice
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199 {
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200 /* * * */
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201 /* The name of this video driver */
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202 const char *name;
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203
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204 /* * * */
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205 /* Initialization/Query functions */
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206
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207 /*
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208 * Initialize the native video subsystem, filling in the list of
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209 * displays for this driver, returning 0 or -1 if there's an error.
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210 */
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211 int (*VideoInit) (_THIS);
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212
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213 /*
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214 * Reverse the effects VideoInit() -- called if VideoInit() fails or
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215 * if the application is shutting down the video subsystem.
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216 */
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217 void (*VideoQuit) (_THIS);
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218
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219 /* * * */
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220 /*
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221 * Display functions
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222 */
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223
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224 /*
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225 * Get the bounds of a display
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226 */
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227 int (*GetDisplayBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect);
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228
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229 /*
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230 * Get a list of the available display modes. e.g.
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231 * SDL_AddDisplayMode(_this->current_display, mode)
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232 */
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233 void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display);
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234
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235 /*
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236 * Setting the display mode is independent of creating windows, so
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237 * when the display mode is changed, all existing windows should have
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238 * their data updated accordingly, including the display surfaces
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239 * associated with them.
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240 */
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241 int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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242
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243 /* Set the color entries of the display palette */
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244 int (*SetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette);
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245
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246 /* Get the color entries of the display palette */
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247 int (*GetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette);
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248
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249 /* Set the gamma ramp */
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250 int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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251
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252 /* Get the gamma ramp */
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253 int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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254
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255 /* * * */
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256 /*
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257 * Window functions
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258 */
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259 int (*CreateWindow) (_THIS, SDL_Window * window);
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260 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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261 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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262 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon);
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263 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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264 void (*SetWindowSize) (_THIS, SDL_Window * window);
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265 void (*ShowWindow) (_THIS, SDL_Window * window);
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266 void (*HideWindow) (_THIS, SDL_Window * window);
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267 void (*RaiseWindow) (_THIS, SDL_Window * window);
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268 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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269 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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270 void (*RestoreWindow) (_THIS, SDL_Window * window);
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271 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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272 void (*DestroyWindow) (_THIS, SDL_Window * window);
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273
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274 /* Get some platform dependent window information */
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275 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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276 struct SDL_SysWMinfo * info);
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277
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278 /* * * */
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279 /*
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280 * OpenGL support
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281 */
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282 int (*GL_LoadLibrary) (_THIS, const char *path);
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283 void *(*GL_GetProcAddress) (_THIS, const char *proc);
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284 void (*GL_UnloadLibrary) (_THIS);
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285 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);
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286 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);
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287 int (*GL_SetSwapInterval) (_THIS, int interval);
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288 int (*GL_GetSwapInterval) (_THIS);
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289 void (*GL_SwapWindow) (_THIS, SDL_Window * window);
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290 void (*GL_DeleteContext) (_THIS, SDL_GLContext context);
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291
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292 /* * * */
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293 /*
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294 * Event manager functions
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295 */
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296 void (*PumpEvents) (_THIS);
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297
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298 /* Suspend the screensaver */
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299 void (*SuspendScreenSaver) (_THIS);
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300
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301 /* Text input */
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302 void (*StartTextInput) (_THIS);
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303 void (*StopTextInput) (_THIS);
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304 void (*SetTextInputRect) (_THIS, SDL_Rect *rect);
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305
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306 /* Clipboard */
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307 int (*SetClipboardText) (_THIS, const char *text);
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308 char * (*GetClipboardText) (_THIS);
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309 SDL_bool (*HasClipboardText) (_THIS);
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310
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311 /* * * */
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312 /* Data common to all drivers */
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313 SDL_bool suspend_screensaver;
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314 int num_displays;
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315 SDL_VideoDisplay *displays;
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316 int current_display;
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317 Uint8 window_magic;
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318 Uint8 texture_magic;
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319 Uint32 next_object_id;
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320 char * clipboard_text;
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321
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322 /* * * */
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323 /* Data used by the GL drivers */
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324 struct
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325 {
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326 int red_size;
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327 int green_size;
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328 int blue_size;
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329 int alpha_size;
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330 int depth_size;
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331 int buffer_size;
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332 int stencil_size;
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333 int double_buffer;
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334 int accum_red_size;
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335 int accum_green_size;
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336 int accum_blue_size;
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337 int accum_alpha_size;
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338 int stereo;
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339 int multisamplebuffers;
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340 int multisamplesamples;
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341 int accelerated;
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342 int major_version;
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343 int minor_version;
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344 int retained_backing;
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345 int driver_loaded;
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346 char driver_path[256];
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347 void *dll_handle;
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348 } gl_config;
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349
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350 /* * * */
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351 /* Data private to this driver */
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352 void *driverdata;
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353 struct SDL_GLDriverData *gl_data;
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354
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355 #if SDL_VIDEO_DRIVER_PANDORA
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356 struct SDL_PrivateGLESData *gles_data;
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357 #endif
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358
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359 /* * * */
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360 /* The function used to dispose of this structure */
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361 void (*free) (_THIS);
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362 };
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363
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364 typedef struct VideoBootStrap
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365 {
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366 const char *name;
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367 const char *desc;
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368 int (*available) (void);
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369 SDL_VideoDevice *(*create) (int devindex);
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370 } VideoBootStrap;
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371
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372 #if SDL_VIDEO_DRIVER_COCOA
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373 extern VideoBootStrap COCOA_bootstrap;
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374 #endif
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375 #if SDL_VIDEO_DRIVER_X11
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376 extern VideoBootStrap X11_bootstrap;
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377 #endif
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378 #if SDL_VIDEO_DRIVER_FBCON
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379 extern VideoBootStrap FBCON_bootstrap;
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380 #endif
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381 #if SDL_VIDEO_DRIVER_DIRECTFB
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382 extern VideoBootStrap DirectFB_bootstrap;
cb384ef627f6 Added support for DirectFB video on Linux (thanks Denis!)
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383 #endif
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384 #if SDL_VIDEO_DRIVER_PS3
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385 extern VideoBootStrap PS3_bootstrap;
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386 #endif
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387 #if SDL_VIDEO_DRIVER_SVGALIB
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388 extern VideoBootStrap SVGALIB_bootstrap;
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389 #endif
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390 #if SDL_VIDEO_DRIVER_GAPI
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391 extern VideoBootStrap GAPI_bootstrap;
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392 #endif
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393 #if SDL_VIDEO_DRIVER_WIN32
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394 extern VideoBootStrap WIN32_bootstrap;
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395 #endif
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396 #if SDL_VIDEO_DRIVER_BWINDOW
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397 extern VideoBootStrap BWINDOW_bootstrap;
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398 #endif
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399 #if SDL_VIDEO_DRIVER_PHOTON
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400 extern VideoBootStrap photon_bootstrap;
0bc41e0361d3 Date: Mon, 2 Mar 2009 16:27:42 +0200
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401 #endif
0bc41e0361d3 Date: Mon, 2 Mar 2009 16:27:42 +0200
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402 #if SDL_VIDEO_DRIVER_QNXGF
0bc41e0361d3 Date: Mon, 2 Mar 2009 16:27:42 +0200
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403 extern VideoBootStrap qnxgf_bootstrap;
173
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
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diff changeset
404 #endif
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405 #if SDL_VIDEO_DRIVER_EPOC
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406 extern VideoBootStrap EPOC_bootstrap;
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
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diff changeset
407 #endif
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diff changeset
408 #if SDL_VIDEO_DRIVER_RISCOS
630
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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409 extern VideoBootStrap RISCOS_bootstrap;
550bccdf04bd Added initial support for RISC OS (thanks Peter Naulls!)
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diff changeset
410 #endif
2742
b86247d21929 Added retained backing attribute, reference to UIKit renderer
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diff changeset
411 #if SDL_VIDEO_DRIVER_UIKIT
b86247d21929 Added retained backing attribute, reference to UIKit renderer
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412 extern VideoBootStrap UIKIT_bootstrap;
b86247d21929 Added retained backing attribute, reference to UIKit renderer
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parents: 2735
diff changeset
413 #endif
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diff changeset
414 #if SDL_VIDEO_DRIVER_DUMMY
19418e4422cb New configure-based build system. Still work in progress, but much improved
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415 extern VideoBootStrap DUMMY_bootstrap;
19418e4422cb New configure-based build system. Still work in progress, but much improved
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diff changeset
416 #endif
2735
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417 #if SDL_VIDEO_DRIVER_NDS
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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418 extern VideoBootStrap NDS_bootstrap;
204be4fc2726 Final merge of Google Summer of Code 2008 work...
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diff changeset
419 #endif
3161
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diff changeset
420 #if SDL_VIDEO_DRIVER_PANDORA
494559cc723b OpenPandora support added by David Carré
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diff changeset
421 extern VideoBootStrap PND_bootstrap;
494559cc723b OpenPandora support added by David Carré
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parents: 3100
diff changeset
422 #endif
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diff changeset
423
3685
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diff changeset
424 #define SDL_CurrentDisplay (&_this->displays[_this->current_display])
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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diff changeset
425 #define SDL_CurrentRenderer (SDL_CurrentDisplay->current_renderer)
0
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diff changeset
426
4472
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diff changeset
427 extern SDL_VideoDevice *SDL_GetVideoDevice(void);
2753
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diff changeset
428 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
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diff changeset
429 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
3500
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diff changeset
430 extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode);
4b594623401b Work in progress on multi-display support:
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parents: 3435
diff changeset
431 extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display);
4b594623401b Work in progress on multi-display support:
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parents: 3435
diff changeset
432 extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode);
4b594623401b Work in progress on multi-display support:
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parents: 3435
diff changeset
433 extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
4b594623401b Work in progress on multi-display support:
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diff changeset
434 extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
4b594623401b Work in progress on multi-display support:
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diff changeset
435 extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
4b594623401b Work in progress on multi-display support:
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diff changeset
436 extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode);
3501
467e67d301f3 Removed a little redundancy in the naming
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diff changeset
437 extern int SDL_SetPaletteForDisplay(SDL_VideoDisplay * display, const SDL_Color * colors, int firstcolor, int ncolors);
467e67d301f3 Removed a little redundancy in the naming
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parents: 3500
diff changeset
438 extern int SDL_GetPaletteForDisplay(SDL_VideoDisplay * display, SDL_Color * colors, int firstcolor, int ncolors);
3500
4b594623401b Work in progress on multi-display support:
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parents: 3435
diff changeset
439 extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue);
4b594623401b Work in progress on multi-display support:
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diff changeset
440 extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue);
3501
467e67d301f3 Removed a little redundancy in the naming
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parents: 3500
diff changeset
441 extern void SDL_AddRenderDriver(SDL_VideoDisplay *display, const SDL_RenderDriver * driver);
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diff changeset
442
2753
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diff changeset
443 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
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444
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diff changeset
445 extern void SDL_OnWindowShown(SDL_Window * window);
Sam Lantinga <slouken@libsdl.org>
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diff changeset
446 extern void SDL_OnWindowHidden(SDL_Window * window);
Sam Lantinga <slouken@libsdl.org>
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diff changeset
447 extern void SDL_OnWindowResized(SDL_Window * window);
3502
98a819296cdc Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode.
Sam Lantinga <slouken@libsdl.org>
parents: 3501
diff changeset
448 extern void SDL_OnWindowMinimized(SDL_Window * window);
98a819296cdc Whenever a window becomes fullscreen, shown, unminimized, and has input focus it will change the display to the corresponding fullscreen video mode.
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parents: 3501
diff changeset
449 extern void SDL_OnWindowRestored(SDL_Window * window);
2753
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diff changeset
450 extern void SDL_OnWindowFocusGained(SDL_Window * window);
Sam Lantinga <slouken@libsdl.org>
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diff changeset
451 extern void SDL_OnWindowFocusLost(SDL_Window * window);
3685
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diff changeset
452 extern SDL_Window * SDL_GetFocusWindow(void);
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diff changeset
453
2753
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diff changeset
454 #endif /* _SDL_sysvideo_h */
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diff changeset
455
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
456 /* vi: set ts=4 sw=4 expandtab: */