Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 5141:da10636e5eca
Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 31 Jan 2011 22:44:43 -0800 |
| parents | 797b37c0c046 |
| children | 31e7f523ab3d |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3697 | 3 Copyright (C) 1997-2010 Sam Lantinga |
| 0 | 4 |
| 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 |
| 0 | 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. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 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 |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 #ifndef _SDL_sysvideo_h | |
| 25 #define _SDL_sysvideo_h | |
| 26 | |
| 27 #include "SDL_mouse.h" | |
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28 #include "SDL_keysym.h" |
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29 #include "SDL_shape.h" |
| 0 | 30 |
| 31 /* The SDL video driver */ | |
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32 |
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33 typedef struct SDL_Renderer SDL_Renderer; |
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34 typedef struct SDL_RenderDriver SDL_RenderDriver; |
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35 typedef struct SDL_WindowShaper SDL_WindowShaper; |
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36 typedef struct SDL_ShapeDriver SDL_ShapeDriver; |
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37 typedef struct SDL_VideoDisplay SDL_VideoDisplay; |
| 0 | 38 typedef struct SDL_VideoDevice SDL_VideoDevice; |
| 39 | |
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40 /* Define the SDL texture structure */ |
| 2753 | 41 struct SDL_Texture |
| 42 { | |
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43 const void *magic; |
| 2753 | 44 Uint32 format; /**< The pixel format of the texture */ |
| 45 int access; /**< SDL_TextureAccess */ | |
| 46 int w; /**< The width of the texture */ | |
| 47 int h; /**< The height of the texture */ | |
| 48 int modMode; /**< The texture modulation mode */ | |
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49 SDL_BlendMode blendMode; /**< The texture blend mode */ |
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50 Uint8 r, g, b, a; /**< Texture modulation values */ |
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51 |
| 2753 | 52 SDL_Renderer *renderer; |
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53 |
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54 void *driverdata; /**< Driver specific texture representation */ |
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55 |
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56 SDL_Texture *prev; |
| 2753 | 57 SDL_Texture *next; |
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58 }; |
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59 |
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60 /* Define the SDL renderer structure */ |
| 2753 | 61 struct SDL_Renderer |
| 62 { | |
| 63 int (*ActivateRenderer) (SDL_Renderer * renderer); | |
| 64 int (*DisplayModeChanged) (SDL_Renderer * renderer); | |
| 65 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
| 66 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 67 void **pixels, int *pitch); | |
| 68 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 69 const SDL_Color * colors, int firstcolor, | |
| 70 int ncolors); | |
| 71 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 72 SDL_Color * colors, int firstcolor, | |
| 73 int ncolors); | |
| 74 int (*SetTextureColorMod) (SDL_Renderer * renderer, | |
| 75 SDL_Texture * texture); | |
| 76 int (*SetTextureAlphaMod) (SDL_Renderer * renderer, | |
| 77 SDL_Texture * texture); | |
| 78 int (*SetTextureBlendMode) (SDL_Renderer * renderer, | |
| 79 SDL_Texture * texture); | |
| 80 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 81 const SDL_Rect * rect, const void *pixels, | |
| 82 int pitch); | |
| 83 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 84 const SDL_Rect * rect, int markDirty, void **pixels, | |
| 85 int *pitch); | |
| 86 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
| 87 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture, | |
| 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); |
| 2753 | 100 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture, |
| 101 const SDL_Rect * srcrect, const SDL_Rect * dstrect); | |
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102 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect, |
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103 Uint32 format, void * pixels, int pitch); |
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104 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect, |
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105 Uint32 format, const void * pixels, int pitch); |
| 2753 | 106 void (*RenderPresent) (SDL_Renderer * renderer); |
| 107 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture); | |
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108 |
| 2753 | 109 void (*DestroyRenderer) (SDL_Renderer * renderer); |
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110 |
| 2753 | 111 /* The current renderer info */ |
| 112 SDL_RendererInfo info; | |
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113 |
| 2753 | 114 /* The window associated with the renderer */ |
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115 SDL_Window *window; |
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116 |
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117 /* The list of textures */ |
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118 SDL_Texture *textures; |
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119 |
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120 Uint8 r, g, b, a; /**< Color for drawing operations values */ |
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121 SDL_BlendMode blendMode; /**< The drawing blend mode */ |
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122 |
| 2753 | 123 void *driverdata; |
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124 }; |
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125 |
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126 /* Define the SDL render driver structure */ |
| 2753 | 127 struct SDL_RenderDriver |
| 128 { | |
| 129 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags); | |
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130 |
| 2753 | 131 /* Info about the renderer capabilities */ |
| 132 SDL_RendererInfo info; | |
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133 }; |
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134 |
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135 /* Define the SDL window-shaper structure */ |
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136 struct SDL_WindowShaper |
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137 { |
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138 /* The window associated with the shaper */ |
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139 SDL_Window *window; |
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140 |
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141 /* The user's specified coordinates for the window, for once we give it a shape. */ |
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142 Uint32 userx,usery; |
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143 |
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144 /* The parameters for shape calculation. */ |
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145 SDL_WindowShapeMode mode; |
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146 |
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147 /* Has this window been assigned a shape? */ |
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148 SDL_bool hasshape; |
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149 |
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150 void *driverdata; |
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151 }; |
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152 |
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153 /* Define the SDL shape driver structure */ |
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154 struct SDL_ShapeDriver |
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155 { |
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156 SDL_WindowShaper *(*CreateShaper)(SDL_Window * window); |
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157 int (*SetWindowShape)(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shape_mode); |
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158 int (*ResizeWindowShape)(SDL_Window *window); |
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159 }; |
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160 |
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161 /* Define the SDL window structure, corresponding to toplevel windows */ |
| 2753 | 162 struct SDL_Window |
| 163 { | |
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164 const void *magic; |
| 2753 | 165 Uint32 id; |
| 166 char *title; | |
| 167 int x, y; | |
| 168 int w, h; | |
| 169 Uint32 flags; | |
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170 |
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171 SDL_VideoDisplay *display; |
| 2753 | 172 SDL_Renderer *renderer; |
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173 |
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174 SDL_DisplayMode fullscreen_mode; |
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175 |
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176 SDL_WindowShaper *shaper; |
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177 |
| 2753 | 178 void *userdata; |
| 179 void *driverdata; | |
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180 |
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181 SDL_Window *prev; |
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182 SDL_Window *next; |
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183 }; |
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184 #define FULLSCREEN_VISIBLE(W) \ |
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185 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \ |
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186 ((W)->flags & SDL_WINDOW_SHOWN) && \ |
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187 !((W)->flags & SDL_WINDOW_MINIMIZED)) |
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188 |
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189 /* |
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190 * Define the SDL display structure This corresponds to physical monitors |
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191 * attached to the system. |
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192 */ |
| 2753 | 193 struct SDL_VideoDisplay |
| 194 { | |
| 195 int max_display_modes; | |
| 196 int num_display_modes; | |
| 197 SDL_DisplayMode *display_modes; | |
| 198 SDL_DisplayMode desktop_mode; | |
| 199 SDL_DisplayMode current_mode; | |
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200 SDL_bool updating_fullscreen; |
| 2753 | 201 SDL_Palette *palette; |
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202 |
| 2753 | 203 Uint16 *gamma; |
| 204 Uint16 *saved_gamma; /* (just offset into gamma) */ | |
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205 |
| 2753 | 206 int num_render_drivers; |
| 207 SDL_RenderDriver *render_drivers; | |
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208 |
| 2753 | 209 SDL_Window *windows; |
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210 SDL_Window *fullscreen_window; |
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211 |
| 2753 | 212 SDL_Renderer *current_renderer; |
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213 |
| 2753 | 214 SDL_VideoDevice *device; |
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215 |
| 2753 | 216 void *driverdata; |
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217 }; |
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218 |
| 0 | 219 /* Define the SDL video driver structure */ |
| 220 #define _THIS SDL_VideoDevice *_this | |
| 221 | |
| 2753 | 222 struct SDL_VideoDevice |
| 223 { | |
| 224 /* * * */ | |
| 225 /* The name of this video driver */ | |
| 226 const char *name; | |
| 0 | 227 |
| 2753 | 228 /* * * */ |
| 229 /* Initialization/Query functions */ | |
| 0 | 230 |
| 2753 | 231 /* |
| 232 * Initialize the native video subsystem, filling in the list of | |
| 233 * displays for this driver, returning 0 or -1 if there's an error. | |
| 234 */ | |
| 235 int (*VideoInit) (_THIS); | |
| 0 | 236 |
| 2753 | 237 /* |
| 238 * Reverse the effects VideoInit() -- called if VideoInit() fails or | |
| 239 * if the application is shutting down the video subsystem. | |
| 240 */ | |
| 241 void (*VideoQuit) (_THIS); | |
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242 |
| 2753 | 243 /* * * */ |
| 244 /* | |
| 245 * Display functions | |
| 246 */ | |
| 0 | 247 |
| 2753 | 248 /* |
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249 * Get the bounds of a display |
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250 */ |
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251 int (*GetDisplayBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect); |
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252 |
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253 /* |
| 2753 | 254 * Get a list of the available display modes. e.g. |
| 255 * SDL_AddDisplayMode(_this->current_display, mode) | |
| 256 */ | |
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257 void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display); |
| 0 | 258 |
| 2753 | 259 /* |
| 260 * Setting the display mode is independent of creating windows, so | |
| 261 * when the display mode is changed, all existing windows should have | |
| 262 * their data updated accordingly, including the display surfaces | |
| 263 * associated with them. | |
| 264 */ | |
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265 int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
| 0 | 266 |
| 2753 | 267 /* Set the color entries of the display palette */ |
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268 int (*SetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette); |
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269 |
| 2753 | 270 /* Get the color entries of the display palette */ |
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271 int (*GetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette); |
| 0 | 272 |
| 2753 | 273 /* Set the gamma ramp */ |
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274 int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp); |
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275 |
| 2753 | 276 /* Get the gamma ramp */ |
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277 int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp); |
| 0 | 278 |
| 2753 | 279 /* * * */ |
| 280 /* | |
| 281 * Window functions | |
| 282 */ | |
| 283 int (*CreateWindow) (_THIS, SDL_Window * window); | |
| 284 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data); | |
| 285 void (*SetWindowTitle) (_THIS, SDL_Window * window); | |
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286 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon); |
| 2753 | 287 void (*SetWindowPosition) (_THIS, SDL_Window * window); |
| 288 void (*SetWindowSize) (_THIS, SDL_Window * window); | |
| 289 void (*ShowWindow) (_THIS, SDL_Window * window); | |
| 290 void (*HideWindow) (_THIS, SDL_Window * window); | |
| 291 void (*RaiseWindow) (_THIS, SDL_Window * window); | |
| 292 void (*MaximizeWindow) (_THIS, SDL_Window * window); | |
| 293 void (*MinimizeWindow) (_THIS, SDL_Window * window); | |
| 294 void (*RestoreWindow) (_THIS, SDL_Window * window); | |
| 295 void (*SetWindowGrab) (_THIS, SDL_Window * window); | |
| 296 void (*DestroyWindow) (_THIS, SDL_Window * window); | |
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297 |
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298 /* * * */ |
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299 /* |
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300 * Shaped-window functions |
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301 */ |
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302 SDL_ShapeDriver shape_driver; |
| 0 | 303 |
| 2753 | 304 /* Get some platform dependent window information */ |
| 305 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, | |
| 306 struct SDL_SysWMinfo * info); | |
| 0 | 307 |
| 2753 | 308 /* * * */ |
| 309 /* | |
| 310 * OpenGL support | |
| 311 */ | |
| 312 int (*GL_LoadLibrary) (_THIS, const char *path); | |
| 313 void *(*GL_GetProcAddress) (_THIS, const char *proc); | |
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314 void (*GL_UnloadLibrary) (_THIS); |
| 2753 | 315 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window); |
| 316 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context); | |
| 317 int (*GL_SetSwapInterval) (_THIS, int interval); | |
| 318 int (*GL_GetSwapInterval) (_THIS); | |
| 319 void (*GL_SwapWindow) (_THIS, SDL_Window * window); | |
| 320 void (*GL_DeleteContext) (_THIS, SDL_GLContext context); | |
| 0 | 321 |
| 2753 | 322 /* * * */ |
| 323 /* | |
| 324 * Event manager functions | |
| 325 */ | |
| 326 void (*PumpEvents) (_THIS); | |
| 0 | 327 |
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328 /* Suspend the screensaver */ |
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329 void (*SuspendScreenSaver) (_THIS); |
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330 |
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331 /* Text input */ |
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332 void (*StartTextInput) (_THIS); |
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333 void (*StopTextInput) (_THIS); |
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334 void (*SetTextInputRect) (_THIS, SDL_Rect *rect); |
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335 |
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336 /* Clipboard */ |
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337 int (*SetClipboardText) (_THIS, const char *text); |
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338 char * (*GetClipboardText) (_THIS); |
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339 SDL_bool (*HasClipboardText) (_THIS); |
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340 |
| 2753 | 341 /* * * */ |
| 342 /* Data common to all drivers */ | |
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343 SDL_bool suspend_screensaver; |
| 2753 | 344 int num_displays; |
| 345 SDL_VideoDisplay *displays; | |
| 346 int current_display; | |
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347 Uint8 window_magic; |
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348 Uint8 texture_magic; |
| 2753 | 349 Uint32 next_object_id; |
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350 char * clipboard_text; |
| 0 | 351 |
| 2753 | 352 /* * * */ |
| 353 /* Data used by the GL drivers */ | |
| 354 struct | |
| 355 { | |
| 356 int red_size; | |
| 357 int green_size; | |
| 358 int blue_size; | |
| 359 int alpha_size; | |
| 360 int depth_size; | |
| 361 int buffer_size; | |
| 362 int stencil_size; | |
| 363 int double_buffer; | |
| 364 int accum_red_size; | |
| 365 int accum_green_size; | |
| 366 int accum_blue_size; | |
| 367 int accum_alpha_size; | |
| 368 int stereo; | |
| 369 int multisamplebuffers; | |
| 370 int multisamplesamples; | |
| 371 int accelerated; | |
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372 int major_version; |
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373 int minor_version; |
| 2753 | 374 int retained_backing; |
| 375 int driver_loaded; | |
| 376 char driver_path[256]; | |
| 377 void *dll_handle; | |
| 378 } gl_config; | |
| 0 | 379 |
| 2753 | 380 /* * * */ |
| 381 /* Data private to this driver */ | |
| 382 void *driverdata; | |
| 383 struct SDL_GLDriverData *gl_data; | |
| 0 | 384 |
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385 #if SDL_VIDEO_DRIVER_PANDORA |
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386 struct SDL_PrivateGLESData *gles_data; |
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387 #endif |
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388 |
| 2753 | 389 /* * * */ |
| 390 /* The function used to dispose of this structure */ | |
| 391 void (*free) (_THIS); | |
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392 }; |
| 0 | 393 |
| 2753 | 394 typedef struct VideoBootStrap |
| 395 { | |
| 396 const char *name; | |
| 397 const char *desc; | |
| 398 int (*available) (void); | |
| 399 SDL_VideoDevice *(*create) (int devindex); | |
| 400 } VideoBootStrap; | |
| 0 | 401 |
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402 #if SDL_VIDEO_DRIVER_COCOA |
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403 extern VideoBootStrap COCOA_bootstrap; |
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404 #endif |
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405 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 406 extern VideoBootStrap X11_bootstrap; |
| 407 #endif | |
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408 #if SDL_VIDEO_DRIVER_DIRECTFB |
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409 extern VideoBootStrap DirectFB_bootstrap; |
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410 #endif |
| 5062 | 411 #if SDL_VIDEO_DRIVER_WINDOWS |
| 412 extern VideoBootStrap WINDOWS_bootstrap; | |
| 0 | 413 #endif |
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414 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 415 extern VideoBootStrap BWINDOW_bootstrap; |
| 416 #endif | |
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417 #if SDL_VIDEO_DRIVER_PHOTON |
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418 extern VideoBootStrap photon_bootstrap; |
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419 #endif |
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420 #if SDL_VIDEO_DRIVER_QNXGF |
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421 extern VideoBootStrap qnxgf_bootstrap; |
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422 #endif |
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423 #if SDL_VIDEO_DRIVER_EPOC |
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424 extern VideoBootStrap EPOC_bootstrap; |
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425 #endif |
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426 #if SDL_VIDEO_DRIVER_UIKIT |
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427 extern VideoBootStrap UIKIT_bootstrap; |
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428 #endif |
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429 #if SDL_VIDEO_DRIVER_DUMMY |
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430 extern VideoBootStrap DUMMY_bootstrap; |
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431 #endif |
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432 #if SDL_VIDEO_DRIVER_NDS |
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433 extern VideoBootStrap NDS_bootstrap; |
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434 #endif |
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435 #if SDL_VIDEO_DRIVER_PANDORA |
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436 extern VideoBootStrap PND_bootstrap; |
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437 #endif |
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438 #if SDL_VIDEO_DRIVER_ANDROID |
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439 extern VideoBootStrap Android_bootstrap; |
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440 #endif |
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441 |
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442 #define SDL_CurrentDisplay (&_this->displays[_this->current_display]) |
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443 #define SDL_CurrentRenderer (SDL_CurrentDisplay->current_renderer) |
| 0 | 444 |
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445 extern SDL_VideoDevice *SDL_GetVideoDevice(void); |
| 2753 | 446 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
| 447 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display); | |
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448 extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode); |
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449 extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display); |
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450 extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode); |
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451 extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
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452 extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode); |
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453 extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest); |
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454 extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode); |
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455 extern int SDL_SetPaletteForDisplay(SDL_VideoDisplay * display, const SDL_Color * colors, int firstcolor, int ncolors); |
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456 extern int SDL_GetPaletteForDisplay(SDL_VideoDisplay * display, SDL_Color * colors, int firstcolor, int ncolors); |
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457 extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue); |
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458 extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue); |
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459 extern void SDL_AddRenderDriver(SDL_VideoDisplay *display, const SDL_RenderDriver * driver); |
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460 |
| 2753 | 461 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags); |
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462 |
| 2753 | 463 extern void SDL_OnWindowShown(SDL_Window * window); |
| 464 extern void SDL_OnWindowHidden(SDL_Window * window); | |
| 465 extern void SDL_OnWindowResized(SDL_Window * window); | |
|
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466 extern void SDL_OnWindowMinimized(SDL_Window * window); |
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467 extern void SDL_OnWindowRestored(SDL_Window * window); |
| 2753 | 468 extern void SDL_OnWindowFocusGained(SDL_Window * window); |
| 469 extern void SDL_OnWindowFocusLost(SDL_Window * window); | |
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470 extern SDL_Window * SDL_GetFocusWindow(void); |
| 0 | 471 |
| 2753 | 472 #endif /* _SDL_sysvideo_h */ |
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473 |
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474 /* vi: set ts=4 sw=4 expandtab: */ |