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annotate src/video/SDL_sysvideo.h @ 5153:1435f8a6425c

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Nobody is currently maintaining the QNX code, so removing it for now.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 01 Feb 2011 21:40:03 -0800
parents be02be2ea897
children fb424691cfc7
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_events.h"
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28 #include "SDL_mouse.h"
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29 #include "SDL_keysym.h"
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30 #include "SDL_render.h"
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31 #include "SDL_shape.h"
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32
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33 /* The SDL video driver */
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34
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35 typedef struct SDL_RenderDriver SDL_RenderDriver;
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36 typedef struct SDL_WindowShaper SDL_WindowShaper;
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37 typedef struct SDL_ShapeDriver SDL_ShapeDriver;
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38 typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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39 typedef struct SDL_VideoDevice SDL_VideoDevice;
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40
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41 /* Define the SDL texture structure */
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42 struct SDL_Texture
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43 {
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44 const void *magic;
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45 Uint32 format; /**< The pixel format of the texture */
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46 int access; /**< SDL_TextureAccess */
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47 int w; /**< The width of the texture */
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48 int h; /**< The height of the texture */
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49 int modMode; /**< The texture modulation mode */
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50 SDL_BlendMode blendMode; /**< The texture blend mode */
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51 Uint8 r, g, b, a; /**< Texture modulation values */
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52
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53 SDL_Renderer *renderer;
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54
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55 void *driverdata; /**< Driver specific texture representation */
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56
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57 SDL_Texture *prev;
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58 SDL_Texture *next;
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59 };
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60
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61 /* Define the SDL renderer structure */
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62 struct SDL_Renderer
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63 {
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64 const void *magic;
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66 void (*WindowEvent) (SDL_Renderer * renderer, const SDL_WindowEvent *event);
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67 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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68 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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69 void **pixels, int *pitch);
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70 int (*SetTextureColorMod) (SDL_Renderer * renderer,
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71 SDL_Texture * texture);
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72 int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
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73 SDL_Texture * texture);
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74 int (*SetTextureBlendMode) (SDL_Renderer * renderer,
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75 SDL_Texture * texture);
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76 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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77 const SDL_Rect * rect, const void *pixels,
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78 int pitch);
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79 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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80 const SDL_Rect * rect, int markDirty, void **pixels,
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81 int *pitch);
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82 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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83 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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84 int numrects, const SDL_Rect * rects);
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85 int (*RenderClear) (SDL_Renderer * renderer);
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86 int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_Point * points,
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87 int count);
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88 int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_Point * points,
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89 int count);
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90 int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_Rect ** rects,
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91 int count);
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92 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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93 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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94 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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95 Uint32 format, void * pixels, int pitch);
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96 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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97 Uint32 format, const void * pixels, int pitch);
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98 void (*RenderPresent) (SDL_Renderer * renderer);
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99 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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100
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101 void (*DestroyRenderer) (SDL_Renderer * renderer);
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102
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103 /* The current renderer info */
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104 SDL_RendererInfo info;
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105
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106 /* The window associated with the renderer */
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107 SDL_Window *window;
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108
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109 /* The list of textures */
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110 SDL_Texture *textures;
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111
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112 Uint8 r, g, b, a; /**< Color for drawing operations values */
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113 SDL_BlendMode blendMode; /**< The drawing blend mode */
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114
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115 void *driverdata;
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116 };
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117
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118 /* Define the SDL render driver structure */
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119 struct SDL_RenderDriver
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120 {
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121 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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122
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123 /* Info about the renderer capabilities */
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124 SDL_RendererInfo info;
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125 };
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126
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127 /* Define the SDL window-shaper structure */
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128 struct SDL_WindowShaper
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129 {
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130 /* The window associated with the shaper */
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131 SDL_Window *window;
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132
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133 /* The user's specified coordinates for the window, for once we give it a shape. */
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134 Uint32 userx,usery;
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135
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136 /* The parameters for shape calculation. */
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137 SDL_WindowShapeMode mode;
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138
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139 /* Has this window been assigned a shape? */
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140 SDL_bool hasshape;
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141
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142 void *driverdata;
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143 };
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144
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145 /* Define the SDL shape driver structure */
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146 struct SDL_ShapeDriver
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147 {
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148 SDL_WindowShaper *(*CreateShaper)(SDL_Window * window);
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149 int (*SetWindowShape)(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode);
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150 int (*ResizeWindowShape)(SDL_Window *window);
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151 };
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152
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153 /* Define the SDL window structure, corresponding to toplevel windows */
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154 struct SDL_Window
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155 {
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156 const void *magic;
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157 Uint32 id;
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158 char *title;
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159 int x, y;
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160 int w, h;
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161 Uint32 flags;
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162
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163 SDL_VideoDisplay *display;
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164
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165 SDL_DisplayMode fullscreen_mode;
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166
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167 SDL_WindowShaper *shaper;
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168
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169 void *userdata;
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170 void *driverdata;
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171
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172 SDL_Window *prev;
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173 SDL_Window *next;
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174 };
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175 #define FULLSCREEN_VISIBLE(W) \
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176 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \
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177 ((W)->flags & SDL_WINDOW_SHOWN) && \
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178 !((W)->flags & SDL_WINDOW_MINIMIZED))
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179
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180 /*
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181 * Define the SDL display structure This corresponds to physical monitors
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182 * attached to the system.
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183 */
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184 struct SDL_VideoDisplay
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185 {
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186 int max_display_modes;
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187 int num_display_modes;
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188 SDL_DisplayMode *display_modes;
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189 SDL_DisplayMode desktop_mode;
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190 SDL_DisplayMode current_mode;
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191 SDL_bool updating_fullscreen;
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192
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193 Uint16 *gamma;
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194 Uint16 *saved_gamma; /* (just offset into gamma) */
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195
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196 int num_render_drivers;
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197 SDL_RenderDriver *render_drivers;
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198
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199 SDL_Window *windows;
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200 SDL_Window *fullscreen_window;
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201
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202 SDL_VideoDevice *device;
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203
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204 void *driverdata;
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205 };
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206
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207 /* Define the SDL video driver structure */
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208 #define _THIS SDL_VideoDevice *_this
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209
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210 struct SDL_VideoDevice
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211 {
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212 /* * * */
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213 /* The name of this video driver */
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214 const char *name;
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215
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216 /* * * */
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217 /* Initialization/Query functions */
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218
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219 /*
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220 * Initialize the native video subsystem, filling in the list of
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221 * displays for this driver, returning 0 or -1 if there's an error.
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222 */
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223 int (*VideoInit) (_THIS);
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224
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225 /*
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226 * Reverse the effects VideoInit() -- called if VideoInit() fails or
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227 * if the application is shutting down the video subsystem.
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228 */
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229 void (*VideoQuit) (_THIS);
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230
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231 /* * * */
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232 /*
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233 * Display functions
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234 */
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235
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236 /*
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237 * Get the bounds of a display
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238 */
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239 int (*GetDisplayBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect);
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240
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241 /*
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242 * Get a list of the available display modes. e.g.
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243 * SDL_AddDisplayMode(_this->current_display, mode)
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244 */
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245 void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display);
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246
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247 /*
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248 * Setting the display mode is independent of creating windows, so
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249 * when the display mode is changed, all existing windows should have
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250 * their data updated accordingly, including the display surfaces
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251 * associated with them.
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252 */
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253 int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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254
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255 /* Set the gamma ramp */
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256 int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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257
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258 /* Get the gamma ramp */
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259 int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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260
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261 /* * * */
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262 /*
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263 * Window functions
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264 */
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265 int (*CreateWindow) (_THIS, SDL_Window * window);
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266 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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267 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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268 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon);
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269 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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270 void (*SetWindowSize) (_THIS, SDL_Window * window);
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271 void (*ShowWindow) (_THIS, SDL_Window * window);
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272 void (*HideWindow) (_THIS, SDL_Window * window);
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273 void (*RaiseWindow) (_THIS, SDL_Window * window);
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274 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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275 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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276 void (*RestoreWindow) (_THIS, SDL_Window * window);
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277 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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278 void (*DestroyWindow) (_THIS, SDL_Window * window);
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279
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280 /* * * */
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281 /*
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282 * Shaped-window functions
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283 */
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284 SDL_ShapeDriver shape_driver;
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285
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286 /* Get some platform dependent window information */
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287 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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288 struct SDL_SysWMinfo * info);
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289
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290 /* * * */
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291 /*
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292 * OpenGL support
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293 */
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294 int (*GL_LoadLibrary) (_THIS, const char *path);
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295 void *(*GL_GetProcAddress) (_THIS, const char *proc);
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296 void (*GL_UnloadLibrary) (_THIS);
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297 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);
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298 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);
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299 int (*GL_SetSwapInterval) (_THIS, int interval);
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300 int (*GL_GetSwapInterval) (_THIS);
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301 void (*GL_SwapWindow) (_THIS, SDL_Window * window);
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302 void (*GL_DeleteContext) (_THIS, SDL_GLContext context);
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303
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304 /* * * */
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305 /*
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306 * Event manager functions
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307 */
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308 void (*PumpEvents) (_THIS);
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309
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310 /* Suspend the screensaver */
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311 void (*SuspendScreenSaver) (_THIS);
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312
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313 /* Text input */
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diff changeset
314 void (*StartTextInput) (_THIS);
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315 void (*StopTextInput) (_THIS);
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316 void (*SetTextInputRect) (_THIS, SDL_Rect *rect);
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317
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318 /* Clipboard */
dbbfdb9ea716 Simplified clipboard API for sanity's sake.
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319 int (*SetClipboardText) (_THIS, const char *text);
dbbfdb9ea716 Simplified clipboard API for sanity's sake.
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320 char * (*GetClipboardText) (_THIS);
dbbfdb9ea716 Simplified clipboard API for sanity's sake.
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321 SDL_bool (*HasClipboardText) (_THIS);
dbbfdb9ea716 Simplified clipboard API for sanity's sake.
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322
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323 /* * * */
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324 /* Data common to all drivers */
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325 SDL_bool suspend_screensaver;
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326 int num_displays;
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327 SDL_VideoDisplay *displays;
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328 int current_display;
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f6a8be3fefa0 Added magic to detect already freed or otherwise invalid windows and textures.
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329 Uint8 window_magic;
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ad50b3db78bd The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
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330 Uint8 renderer_magic;
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331 Uint8 texture_magic;
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332 Uint32 next_object_id;
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333 char * clipboard_text;
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334
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335 /* * * */
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336 /* Data used by the GL drivers */
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337 struct
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338 {
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339 int red_size;
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340 int green_size;
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341 int blue_size;
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342 int alpha_size;
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343 int depth_size;
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344 int buffer_size;
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345 int stencil_size;
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346 int double_buffer;
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347 int accum_red_size;
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348 int accum_green_size;
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349 int accum_blue_size;
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350 int accum_alpha_size;
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351 int stereo;
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352 int multisamplebuffers;
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353 int multisamplesamples;
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354 int accelerated;
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355 int major_version;
7dc982143c06 Date: Sun, 22 Mar 2009 12:52:29 +0000
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356 int minor_version;
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357 int retained_backing;
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358 int driver_loaded;
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359 char driver_path[256];
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360 void *dll_handle;
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361 } gl_config;
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362
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363 /* * * */
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diff changeset
364 /* Data private to this driver */
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365 void *driverdata;
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366 struct SDL_GLDriverData *gl_data;
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367
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368 #if SDL_VIDEO_DRIVER_PANDORA
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369 struct SDL_PrivateGLESData *gles_data;
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370 #endif
494559cc723b OpenPandora support added by David Carré
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371
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372 /* * * */
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diff changeset
373 /* The function used to dispose of this structure */
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374 void (*free) (_THIS);
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375 };
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376
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377 typedef struct VideoBootStrap
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378 {
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379 const char *name;
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380 const char *desc;
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381 int (*available) (void);
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diff changeset
382 SDL_VideoDevice *(*create) (int devindex);
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383 } VideoBootStrap;
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384
1931
103c6fec2a60 The Mac OS X Cocoa video driver is under construction...
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diff changeset
385 #if SDL_VIDEO_DRIVER_COCOA
103c6fec2a60 The Mac OS X Cocoa video driver is under construction...
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386 extern VideoBootStrap COCOA_bootstrap;
1361
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diff changeset
387 #endif
19418e4422cb New configure-based build system. Still work in progress, but much improved
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diff changeset
388 #if SDL_VIDEO_DRIVER_X11
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389 extern VideoBootStrap X11_bootstrap;
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diff changeset
390 #endif
1361
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diff changeset
391 #if SDL_VIDEO_DRIVER_DIRECTFB
167
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diff changeset
392 extern VideoBootStrap DirectFB_bootstrap;
cb384ef627f6 Added support for DirectFB video on Linux (thanks Denis!)
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diff changeset
393 #endif
5062
e8916fe9cfc8 Fixed bug #925
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diff changeset
394 #if SDL_VIDEO_DRIVER_WINDOWS
e8916fe9cfc8 Fixed bug #925
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395 extern VideoBootStrap WINDOWS_bootstrap;
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396 #endif
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diff changeset
397 #if SDL_VIDEO_DRIVER_BWINDOW
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398 extern VideoBootStrap BWINDOW_bootstrap;
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diff changeset
399 #endif
5153
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diff changeset
400 #if SDL_VIDEO_DRIVER_PANDORA
1435f8a6425c Nobody is currently maintaining the QNX code, so removing it for now.
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parents: 5152
diff changeset
401 extern VideoBootStrap PND_bootstrap;
3083
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parents: 3057
diff changeset
402 #endif
5153
1435f8a6425c Nobody is currently maintaining the QNX code, so removing it for now.
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parents: 5152
diff changeset
403 #if SDL_VIDEO_DRIVER_NDS
1435f8a6425c Nobody is currently maintaining the QNX code, so removing it for now.
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parents: 5152
diff changeset
404 extern VideoBootStrap NDS_bootstrap;
173
83018110dce8 Added initial support for EPOC/Symbian OS (thanks Hannu!)
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parents: 167
diff changeset
405 #endif
2742
b86247d21929 Added retained backing attribute, reference to UIKit renderer
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2735
diff changeset
406 #if SDL_VIDEO_DRIVER_UIKIT
b86247d21929 Added retained backing attribute, reference to UIKit renderer
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2735
diff changeset
407 extern VideoBootStrap UIKIT_bootstrap;
b86247d21929 Added retained backing attribute, reference to UIKit renderer
Holmes Futrell <hfutrell@umail.ucsb.edu>
parents: 2735
diff changeset
408 #endif
5153
1435f8a6425c Nobody is currently maintaining the QNX code, so removing it for now.
Sam Lantinga <slouken@libsdl.org>
parents: 5152
diff changeset
409 #if SDL_VIDEO_DRIVER_ANDROID
1435f8a6425c Nobody is currently maintaining the QNX code, so removing it for now.
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parents: 5152
diff changeset
410 extern VideoBootStrap Android_bootstrap;
1435f8a6425c Nobody is currently maintaining the QNX code, so removing it for now.
Sam Lantinga <slouken@libsdl.org>
parents: 5152
diff changeset
411 #endif
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parents: 1330
diff changeset
412 #if SDL_VIDEO_DRIVER_DUMMY
19418e4422cb New configure-based build system. Still work in progress, but much improved
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diff changeset
413 extern VideoBootStrap DUMMY_bootstrap;
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
414 #endif
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
415
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64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
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parents: 3678
diff changeset
416 #define SDL_CurrentDisplay (&_this->displays[_this->current_display])
0
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parents:
diff changeset
417
4472
791b3256fb22 Mostly cleaned up warnings with -Wmissing-prototypes
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parents: 3701
diff changeset
418 extern SDL_VideoDevice *SDL_GetVideoDevice(void);
2753
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diff changeset
419 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
Sam Lantinga <slouken@libsdl.org>
parents: 2742
diff changeset
420 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
3500
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Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
421 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
422 extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display);
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
423 extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode);
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
424 extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
425 extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
426 extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
427 extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode);
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
428 extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue);
4b594623401b Work in progress on multi-display support:
Sam Lantinga <slouken@libsdl.org>
parents: 3435
diff changeset
429 extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue);
3501
467e67d301f3 Removed a little redundancy in the naming
Sam Lantinga <slouken@libsdl.org>
parents: 3500
diff changeset
430 extern void SDL_AddRenderDriver(SDL_VideoDisplay *display, const SDL_RenderDriver * driver);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1737
diff changeset
431
2753
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diff changeset
432 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1737
diff changeset
433
2753
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parents: 2742
diff changeset
434 extern void SDL_OnWindowShown(SDL_Window * window);
Sam Lantinga <slouken@libsdl.org>
parents: 2742
diff changeset
435 extern void SDL_OnWindowHidden(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
436 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.
Sam Lantinga <slouken@libsdl.org>
parents: 3501
diff changeset
437 extern void SDL_OnWindowRestored(SDL_Window * window);
2753
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diff changeset
438 extern void SDL_OnWindowFocusGained(SDL_Window * window);
Sam Lantinga <slouken@libsdl.org>
parents: 2742
diff changeset
439 extern void SDL_OnWindowFocusLost(SDL_Window * window);
3685
64ce267332c6 Switched from SDL_WindowID and SDL_TextureID to SDL_Window* and SDL_Texture* for code simplicity and improved performance.
Sam Lantinga <slouken@libsdl.org>
parents: 3678
diff changeset
440 extern SDL_Window * SDL_GetFocusWindow(void);
0
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parents:
diff changeset
441
2753
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diff changeset
442 #endif /* _SDL_sysvideo_h */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1737
diff changeset
443
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
444 /* vi: set ts=4 sw=4 expandtab: */