Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 1670:eef792d31de8 SDL-1.3
Work in progress. :)
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 07 Jun 2006 16:10:28 +0000 |
parents | 9857d21967bb |
children | 89f7510fe17a |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 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" | |
28 #define SDL_PROTOTYPES_ONLY | |
29 #include "SDL_syswm.h" | |
30 #undef SDL_PROTOTYPES_ONLY | |
31 | |
32 /* This file prototypes the video driver implementation. | |
33 This is designed to be easily converted to C++ in the future. | |
34 */ | |
35 | |
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36 #if SDL_VIDEO_OPENGL |
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37 #include "SDL_opengl.h" |
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38 #endif /* SDL_VIDEO_OPENGL */ |
0 | 39 |
40 /* The SDL video driver */ | |
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41 |
1670 | 42 typedef struct SDL_Window SDL_Window; |
43 typedef struct SDL_Texture SDL_Texture; | |
44 typedef struct SDL_Renderer SDL_Renderer; | |
45 typedef struct SDL_RenderDriver SDL_RenderDriver; | |
46 typedef struct SDL_VideoDisplay SDL_VideoDisplay; | |
47 typedef struct SDL_VideoDevice SDL_VideoDevice; | |
48 | |
49 /* Define the SDL texture structure */ | |
50 struct SDL_Texture | |
51 { | |
52 Uint32 id; | |
53 | |
54 Uint32 format; /**< The pixel format of the texture */ | |
55 int access; /**< SDL_TextureAccess */ | |
56 int w; /**< The width of the texture */ | |
57 int h; /**< The height of the texture */ | |
58 | |
59 SDL_Renderer *renderer; | |
60 | |
61 void *driverdata; /**< Driver specific texture representation */ | |
62 | |
63 SDL_Texture *next; | |
64 }; | |
65 | |
66 /* Define the SDL renderer structure */ | |
67 struct SDL_Renderer | |
68 { | |
69 int (*CreateTexture) (SDL_Texture * texture); | |
70 int (*UpdateTexture) (SDL_Texture * texture, SDL_Rect * rect, | |
71 const void *pixels, int pitch); | |
72 int (*LockTexture) (SDL_Texture * texture, SDL_Rect * rect, int markDirty, | |
73 void **pixels, int *pitch); | |
74 void (*UnlockTexture) (SDL_Texture * texture); | |
75 void (*DirtyTexture) (SDL_Texture * texture, int numrects, | |
76 SDL_Rect * rects); | |
77 void (*SelectRenderTexture) (SDL_Texture * texture); | |
78 void (*RenderFill) (SDL_Rect * rect, Uint32 color); | |
79 int (*RenderCopy) (SDL_Texture * texture, SDL_Rect * srcrect, | |
80 SDL_Rect * dstrect, int blendMode, int scaleMode); | |
81 int (*RenderReadPixels) (SDL_Rect * rect, void *pixels, int pitch); | |
82 int (*RenderWritePixels) (SDL_Rect * rect, const void *pixels, int pitch); | |
83 void (*RenderPresent) (void); | |
84 void (*DestroyTexture) (SDL_Texture * texture); | |
85 | |
86 void (*DestroyRenderer) (SDL_Renderer * renderer); | |
87 | |
88 /* The current renderer info */ | |
89 SDL_RendererInfo info; | |
90 | |
91 /* The window associated with the renderer */ | |
92 SDL_Window *window; | |
93 | |
94 void *driverdata; | |
95 }; | |
96 | |
97 /* Define the SDL render driver structure */ | |
98 struct SDL_RenderDriver | |
99 { | |
100 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags); | |
101 | |
102 /* Info about the renderer capabilities */ | |
103 SDL_RendererInfo info; | |
104 }; | |
105 | |
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106 /* Define the SDL window structure, corresponding to toplevel windows */ |
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107 struct SDL_Window |
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108 { |
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109 Uint32 id; |
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110 |
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111 char *title; |
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112 int x, y; |
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113 int w, h; |
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114 Uint32 flags; |
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115 |
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116 Uint16 *gamma; |
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117 |
1670 | 118 SDL_Renderer *renderer; |
119 | |
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120 void *userdata; |
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121 void *driverdata; |
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122 }; |
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123 |
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124 /* Define the SDL display structure |
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125 This corresponds to physical monitors attached to the system. |
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126 */ |
1670 | 127 struct SDL_VideoDisplay |
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128 { |
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129 int num_display_modes; |
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130 SDL_DisplayMode *display_modes; |
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131 SDL_DisplayMode desktop_mode; |
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132 SDL_DisplayMode current_mode; |
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133 |
1670 | 134 int num_render_drivers; |
135 SDL_RenderDriver *render_drivers; | |
136 | |
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137 int num_windows; |
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138 SDL_Window *windows; |
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139 |
1670 | 140 SDL_Renderer *current_renderer; |
141 | |
142 /* The hash list of textures */ | |
143 SDL_Texture *textures[64]; | |
144 | |
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145 void *driverdata; |
1670 | 146 }; |
0 | 147 |
148 /* Define the SDL video driver structure */ | |
149 #define _THIS SDL_VideoDevice *_this | |
150 | |
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151 struct SDL_VideoDevice |
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152 { |
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153 /* * * */ |
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154 /* The name of this video driver */ |
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155 const char *name; |
0 | 156 |
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157 /* * * */ |
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158 /* Initialization/Query functions */ |
0 | 159 |
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160 /* Initialize the native video subsystem, filling in the list |
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161 of displays for this driver, returning 0 or -1 if there's an error. |
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162 */ |
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163 int (*VideoInit) (_THIS); |
0 | 164 |
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165 /* * * */ |
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166 /* Display functions |
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167 */ |
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168 /* Setting the display mode is independent of creating windows, |
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169 * so when the display mode is changed, all existing windows |
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170 * should have their data updated accordingly, including the |
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171 * display surfaces associated with them. |
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172 */ |
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173 int (*SetDisplayMode) (_THIS, const SDL_DisplayMode * mode); |
0 | 174 |
1670 | 175 /* Sets the color entries { firstcolor .. (firstcolor+ncolors-1) } |
176 of the physical palette to those in 'colors'. The return value | |
177 is 0 if all entries could be set properly or -1 otherwise. | |
178 */ | |
179 int (*SetDisplayColors) (_THIS, int firstcolor, int ncolors, | |
180 SDL_Color * colors); | |
181 | |
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182 /* * * */ |
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183 /* Window functions |
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184 */ |
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185 int (*CreateWindow) (_THIS, SDL_Window * window); |
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186 int (*CreateWindowFrom) (_THIS, SDL_Window * window, void *data); |
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187 void (*SetWindowTitle) (_THIS, SDL_Window * window); |
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188 void (*SetWindowPosition) (_THIS, SDL_Window * window); |
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189 void (*SetWindowSize) (_THIS, SDL_Window * window); |
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190 void (*ShowWindow) (_THIS, SDL_Window * window); |
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191 void (*HideWindow) (_THIS, SDL_Window * window); |
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192 void (*RaiseWindow) (_THIS, SDL_Window * window); |
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193 void (*MaximizeWindow) (_THIS, SDL_Window * window); |
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194 void (*MinimizeWindow) (_THIS, SDL_Window * window); |
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195 void (*RestoreWindow) (_THIS, SDL_Window * window); |
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196 void (*SetWindowGrab) (_THIS, SDL_Window * window); |
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197 void (*DestroyWindow) (_THIS, SDL_Window * window); |
0 | 198 |
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199 /* Get some platform dependent window information */ |
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200 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, |
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201 SDL_SysWMinfo * info); |
0 | 202 |
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203 /* Create a YUV video surface (possibly overlay) of the given |
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204 format. The hardware should be able to perform at least 2x |
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205 scaling on display. |
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206 */ |
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207 SDL_Overlay *(*CreateYUVOverlay) (_THIS, int width, int height, |
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208 Uint32 format, SDL_Surface * display); |
0 | 209 |
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210 /* Reverse the effects VideoInit() -- called if VideoInit() fails |
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211 or if the application is shutting down the video subsystem. |
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212 */ |
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213 void (*VideoQuit) (_THIS); |
0 | 214 |
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215 /* * * */ |
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216 /* Hardware acceleration functions */ |
0 | 217 |
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218 /* The pixel format used when SDL_CreateRGBSurface creates SDL_HWSURFACEs with alpha */ |
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219 SDL_PixelFormat *displayformatalphapixel; |
0 | 220 |
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221 /* Allocates a surface in video memory */ |
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222 int (*AllocHWSurface) (_THIS, SDL_Surface * surface); |
0 | 223 |
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224 /* Sets the hardware accelerated blit function, if any, based |
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225 on the current flags of the surface (colorkey, alpha, etc.) |
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226 */ |
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227 int (*CheckHWBlit) (_THIS, SDL_Surface * src, SDL_Surface * dst); |
0 | 228 |
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229 /* Fills a surface rectangle with the given color */ |
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230 int (*FillHWRect) (_THIS, SDL_Surface * dst, SDL_Rect * rect, |
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231 Uint32 color); |
0 | 232 |
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233 /* Sets video mem colorkey and accelerated blit function */ |
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234 int (*SetHWColorKey) (_THIS, SDL_Surface * surface, Uint32 key); |
0 | 235 |
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236 /* Sets per surface hardware alpha value */ |
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237 int (*SetHWAlpha) (_THIS, SDL_Surface * surface, Uint8 value); |
0 | 238 |
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239 /* Returns a readable/writable surface */ |
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240 int (*LockHWSurface) (_THIS, SDL_Surface * surface); |
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241 void (*UnlockHWSurface) (_THIS, SDL_Surface * surface); |
0 | 242 |
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243 /* Frees a previously allocated video surface */ |
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244 void (*FreeHWSurface) (_THIS, SDL_Surface * surface); |
0 | 245 |
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246 /* * * */ |
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247 /* Gamma support */ |
0 | 248 |
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249 /* Set the gamma correction directly (emulated with gamma ramps) */ |
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250 int (*SetGamma) (_THIS, float red, float green, float blue); |
0 | 251 |
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252 /* Get the gamma correction directly (emulated with gamma ramps) */ |
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253 int (*GetGamma) (_THIS, float *red, float *green, float *blue); |
0 | 254 |
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255 /* Set the gamma ramp */ |
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256 int (*SetGammaRamp) (_THIS, Uint16 * ramp); |
0 | 257 |
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258 /* Get the gamma ramp */ |
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259 int (*GetGammaRamp) (_THIS, Uint16 * ramp); |
0 | 260 |
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261 /* * * */ |
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262 /* OpenGL support */ |
0 | 263 |
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264 /* Sets the dll to use for OpenGL and loads it */ |
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265 int (*GL_LoadLibrary) (_THIS, const char *path); |
0 | 266 |
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267 /* Retrieves the address of a function in the gl library */ |
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268 void *(*GL_GetProcAddress) (_THIS, const char *proc); |
0 | 269 |
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270 /* Get attribute information from the windowing system. */ |
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271 int (*GL_GetAttribute) (_THIS, SDL_GLattr attrib, int *value); |
0 | 272 |
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273 /* Make the context associated with this driver current */ |
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274 int (*GL_MakeCurrent) (_THIS); |
0 | 275 |
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276 /* Swap the current buffers in double buffer mode. */ |
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277 void (*GL_SwapBuffers) (_THIS); |
0 | 278 |
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279 /* OpenGL functions for glSDL */ |
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280 #if SDL_VIDEO_OPENGL |
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281 #if !defined(__WIN32__) |
0 | 282 #define WINAPI |
283 #endif | |
284 #define SDL_PROC(ret,func,params) ret (WINAPI *func) params; | |
285 #include "SDL_glfuncs.h" | |
286 #undef SDL_PROC | |
287 | |
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288 /* Texture id */ |
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289 GLuint texture; |
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290 |
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291 int is_32bit; |
0 | 292 #endif |
293 | |
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294 /* * * */ |
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295 /* Cursor manager functions */ |
0 | 296 |
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297 /* Free a window manager cursor |
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298 This function can be NULL if CreateWMCursor is also NULL. |
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299 */ |
1670 | 300 void (*FreeCursor) (_THIS, SDL_Cursor * cursor); |
0 | 301 |
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302 /* If not NULL, create a black/white window manager cursor */ |
1670 | 303 SDL_Cursor *(*CreateCursor) (_THIS, |
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304 Uint8 * data, Uint8 * mask, int w, int h, |
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305 int hot_x, int hot_y); |
0 | 306 |
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307 /* Show the specified cursor, or hide if cursor is NULL */ |
1670 | 308 int (*ShowCursor) (_THIS, SDL_Cursor * cursor); |
0 | 309 |
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310 /* Warp the window manager cursor to (x,y) |
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311 If NULL, a mouse motion event is posted internally. |
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312 */ |
1670 | 313 void (*WarpCursor) (_THIS, SDL_WindowID windowID, int x, int y); |
0 | 314 |
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315 /* If not NULL, this is called when a mouse motion event occurs */ |
1670 | 316 void (*MoveCursor) (_THIS, int x, int y); |
0 | 317 |
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318 /* Determine whether the mouse should be in relative mode or not. |
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319 This function is called when the input grab state or cursor |
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320 visibility state changes. |
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321 If the cursor is not visible, and the input is grabbed, the |
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322 driver can place the mouse in relative mode, which may result |
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323 in higher accuracy sampling of the pointer motion. |
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324 */ |
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325 void (*CheckMouseMode) (_THIS); |
0 | 326 |
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327 /* * * */ |
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328 /* Event manager functions */ |
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329 |
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330 /* Initialize keyboard mapping for this driver */ |
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331 void (*InitOSKeymap) (_THIS); |
0 | 332 |
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333 /* Handle any queued OS events */ |
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334 void (*PumpEvents) (_THIS); |
0 | 335 |
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336 /* * * */ |
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337 /* Data common to all drivers */ |
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338 int num_displays; |
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339 SDL_VideoDisplay *displays; |
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340 int current_display; |
1670 | 341 Uint32 next_object_id; |
0 | 342 |
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343 /* Driver information flags */ |
0 | 344 |
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345 /* * * */ |
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346 /* Data used by the GL drivers */ |
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347 struct |
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348 { |
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349 int red_size; |
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350 int green_size; |
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351 int blue_size; |
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352 int alpha_size; |
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353 int depth_size; |
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354 int buffer_size; |
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355 int stencil_size; |
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356 int double_buffer; |
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357 int accum_red_size; |
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358 int accum_green_size; |
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359 int accum_blue_size; |
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360 int accum_alpha_size; |
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361 int stereo; |
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362 int multisamplebuffers; |
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363 int multisamplesamples; |
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364 int accelerated; |
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365 int swap_control; |
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366 int driver_loaded; |
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367 char driver_path[256]; |
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368 void *dll_handle; |
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369 } gl_config; |
0 | 370 |
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371 /* * * */ |
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372 /* Data private to this driver */ |
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373 struct SDL_PrivateVideoData *hidden; |
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374 struct SDL_PrivateGLData *gl_data; |
0 | 375 |
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376 /* * * */ |
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377 /* The function used to dispose of this structure */ |
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378 void (*free) (_THIS); |
0 | 379 }; |
380 #undef _THIS | |
381 | |
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382 typedef struct VideoBootStrap |
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383 { |
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384 const char *name; |
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385 const char *desc; |
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386 int (*available) (void); |
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387 SDL_VideoDevice *(*create) (int devindex); |
0 | 388 } VideoBootStrap; |
389 | |
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390 #if SDL_VIDEO_DRIVER_QUARTZ |
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391 extern VideoBootStrap QZ_bootstrap; |
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392 #endif |
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393 #if SDL_VIDEO_DRIVER_X11 |
0 | 394 extern VideoBootStrap X11_bootstrap; |
395 #endif | |
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396 #if SDL_VIDEO_DRIVER_DGA |
0 | 397 extern VideoBootStrap DGA_bootstrap; |
398 #endif | |
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399 #if SDL_VIDEO_DRIVER_NANOX |
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400 extern VideoBootStrap NX_bootstrap; |
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401 #endif |
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402 #if SDL_VIDEO_DRIVER_IPOD |
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403 extern VideoBootStrap iPod_bootstrap; |
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404 #endif |
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405 #if SDL_VIDEO_DRIVER_QTOPIA |
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406 extern VideoBootStrap Qtopia_bootstrap; |
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407 #endif |
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408 #if SDL_VIDEO_DRIVER_WSCONS |
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409 extern VideoBootStrap WSCONS_bootstrap; |
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410 #endif |
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411 #if SDL_VIDEO_DRIVER_FBCON |
0 | 412 extern VideoBootStrap FBCON_bootstrap; |
413 #endif | |
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414 #if SDL_VIDEO_DRIVER_DIRECTFB |
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415 extern VideoBootStrap DirectFB_bootstrap; |
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416 #endif |
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417 #if SDL_VIDEO_DRIVER_PS2GS |
0 | 418 extern VideoBootStrap PS2GS_bootstrap; |
419 #endif | |
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420 #if SDL_VIDEO_DRIVER_GGI |
0 | 421 extern VideoBootStrap GGI_bootstrap; |
422 #endif | |
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423 #if SDL_VIDEO_DRIVER_VGL |
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424 extern VideoBootStrap VGL_bootstrap; |
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425 #endif |
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426 #if SDL_VIDEO_DRIVER_SVGALIB |
0 | 427 extern VideoBootStrap SVGALIB_bootstrap; |
428 #endif | |
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429 #if SDL_VIDEO_DRIVER_GAPI |
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430 extern VideoBootStrap GAPI_bootstrap; |
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431 #endif |
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432 #if SDL_VIDEO_DRIVER_WINDIB |
0 | 433 extern VideoBootStrap WINDIB_bootstrap; |
434 #endif | |
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435 #if SDL_VIDEO_DRIVER_DDRAW |
0 | 436 extern VideoBootStrap DIRECTX_bootstrap; |
437 #endif | |
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438 #if SDL_VIDEO_DRIVER_BWINDOW |
0 | 439 extern VideoBootStrap BWINDOW_bootstrap; |
440 #endif | |
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441 #if SDL_VIDEO_DRIVER_TOOLBOX |
0 | 442 extern VideoBootStrap TOOLBOX_bootstrap; |
443 #endif | |
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444 #if SDL_VIDEO_DRIVER_DRAWSPROCKET |
0 | 445 extern VideoBootStrap DSp_bootstrap; |
446 #endif | |
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447 #if SDL_VIDEO_DRIVER_CYBERGRAPHICS |
0 | 448 extern VideoBootStrap CGX_bootstrap; |
449 #endif | |
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450 #if SDL_VIDEO_DRIVER_PHOTON |
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451 extern VideoBootStrap ph_bootstrap; |
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452 #endif |
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453 #if SDL_VIDEO_DRIVER_EPOC |
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454 extern VideoBootStrap EPOC_bootstrap; |
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455 #endif |
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456 #if SDL_VIDEO_DRIVER_XBIOS |
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457 extern VideoBootStrap XBIOS_bootstrap; |
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458 #endif |
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459 #if SDL_VIDEO_DRIVER_GEM |
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460 extern VideoBootStrap GEM_bootstrap; |
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461 #endif |
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462 #if SDL_VIDEO_DRIVER_PICOGUI |
433
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463 extern VideoBootStrap PG_bootstrap; |
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464 #endif |
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465 #if SDL_VIDEO_DRIVER_DC |
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466 extern VideoBootStrap DC_bootstrap; |
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467 #endif |
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468 #if SDL_VIDEO_DRIVER_RISCOS |
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469 extern VideoBootStrap RISCOS_bootstrap; |
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470 #endif |
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471 #if SDL_VIDEO_DRIVER_OS2FS |
1190 | 472 extern VideoBootStrap OS2FSLib_bootstrap; |
473 #endif | |
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474 #if SDL_VIDEO_DRIVER_AALIB |
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475 extern VideoBootStrap AALIB_bootstrap; |
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476 #endif |
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477 #if SDL_VIDEO_DRIVER_DUMMY |
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478 extern VideoBootStrap DUMMY_bootstrap; |
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479 #endif |
1658 | 480 #if SDL_VIDEO_DRIVER_GLSDL |
481 extern VideoBootStrap glSDL_bootstrap; | |
482 #endif | |
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483 |
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484 #define SDL_CurrentDisplay (_this->displays[_this->current_display]) |
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485 #define SDL_CurrentWindow (SDL_CurrentDisplay.windows[0]) |
0 | 486 |
1668
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487 extern SDL_VideoDevice *SDL_GetVideoDevice(); |
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488 extern void SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
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489 extern void SDL_AddVideoDisplay(const SDL_VideoDisplay * display); |
1670 | 490 extern void SDL_AddDisplayMode(int displayIndex, |
491 const SDL_DisplayMode * mode); | |
492 extern void SDL_AddRenderDriver(int displayIndex, | |
493 const SDL_RenderDriver * driver); | |
0 | 494 |
495 #endif /* _SDL_sysvideo_h */ | |
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496 |
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497 /* vi: set ts=4 sw=4 expandtab: */ |