Mercurial > sdl-ios-xcode
annotate src/video/SDL_sysvideo.h @ 1669:9857d21967bb SDL-1.3
The test programs compile again.
The dummy video driver is partially functional now.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 29 May 2006 05:08:33 +0000 |
| parents | 4da1ee79c9af |
| children | eef792d31de8 |
| rev | line source |
|---|---|
| 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 |
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42 /* Define the SDL window structure, corresponding to toplevel windows */ |
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43 typedef struct SDL_Window SDL_Window; |
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44 |
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45 struct SDL_Window |
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46 { |
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47 Uint32 id; |
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48 |
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49 char *title; |
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50 int x, y; |
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51 int w, h; |
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52 Uint32 flags; |
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53 |
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54 SDL_Surface *surface; |
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55 SDL_Surface *shadow; |
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56 Uint16 *gamma; |
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57 |
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58 void *userdata; |
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59 void *driverdata; |
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60 }; |
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61 |
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62 /* Define the SDL display structure |
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63 This corresponds to physical monitors attached to the system. |
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64 */ |
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65 typedef struct SDL_VideoDisplay |
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66 { |
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67 int num_display_modes; |
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68 SDL_DisplayMode *display_modes; |
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69 SDL_DisplayMode desktop_mode; |
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70 SDL_DisplayMode current_mode; |
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71 |
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72 int max_windows; |
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73 int num_windows; |
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74 SDL_Window *windows; |
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75 |
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76 void *driverdata; |
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77 } SDL_VideoDisplay; |
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78 |
| 0 | 79 typedef struct SDL_VideoDevice SDL_VideoDevice; |
| 80 | |
| 81 /* Define the SDL video driver structure */ | |
| 82 #define _THIS SDL_VideoDevice *_this | |
| 83 | |
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84 struct SDL_VideoDevice |
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85 { |
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86 /* * * */ |
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87 /* The name of this video driver */ |
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88 const char *name; |
| 0 | 89 |
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90 /* * * */ |
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91 /* Initialization/Query functions */ |
| 0 | 92 |
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93 /* Initialize the native video subsystem, filling in the list |
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94 of displays for this driver, returning 0 or -1 if there's an error. |
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95 */ |
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96 int (*VideoInit) (_THIS); |
| 0 | 97 |
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98 /* * * */ |
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99 /* Display functions |
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100 */ |
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101 /* Setting the display mode is independent of creating windows, |
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102 * so when the display mode is changed, all existing windows |
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103 * should have their data updated accordingly, including the |
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104 * display surfaces associated with them. |
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105 */ |
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106 int (*SetDisplayMode) (_THIS, const SDL_DisplayMode * mode); |
| 0 | 107 |
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108 /* * * */ |
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109 /* Window functions |
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110 */ |
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111 int (*CreateWindow) (_THIS, SDL_Window * window); |
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112 int (*CreateWindowFrom) (_THIS, SDL_Window * window, void *data); |
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113 void (*SetWindowTitle) (_THIS, SDL_Window * window); |
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114 void (*SetWindowPosition) (_THIS, SDL_Window * window); |
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115 void (*SetWindowSize) (_THIS, SDL_Window * window); |
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116 void (*ShowWindow) (_THIS, SDL_Window * window); |
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117 void (*HideWindow) (_THIS, SDL_Window * window); |
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118 void (*RaiseWindow) (_THIS, SDL_Window * window); |
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119 void (*MaximizeWindow) (_THIS, SDL_Window * window); |
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120 void (*MinimizeWindow) (_THIS, SDL_Window * window); |
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121 void (*RestoreWindow) (_THIS, SDL_Window * window); |
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122 void (*SetWindowGrab) (_THIS, SDL_Window * window); |
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123 void (*DestroyWindow) (_THIS, SDL_Window * window); |
| 0 | 124 |
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125 void (*CreateWindowSurface) (_THIS, SDL_Window * window, Uint32 flags); |
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126 void (*UpdateWindowSurface) (_THIS, SDL_Window * window, int numrects, |
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127 SDL_Rect * rects); |
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128 void (*FlipWindowSurface) (_THIS, SDL_Window * window); |
| 0 | 129 |
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130 /* Sets the color entries { firstcolor .. (firstcolor+ncolors-1) } |
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131 of the physical palette to those in 'colors'. If the device is |
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132 using a software palette (SDL_HWPALETTE not set), then the |
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133 changes are reflected in the logical palette of the screen |
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134 as well. |
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135 The return value is 1 if all entries could be set properly |
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136 or 0 otherwise. |
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137 */ |
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138 int (*SetWindowColors) (_THIS, SDL_Window * window, |
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139 int firstcolor, int ncolors, SDL_Color * colors); |
| 0 | 140 |
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141 /* Get some platform dependent window information */ |
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142 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window, |
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143 SDL_SysWMinfo * info); |
| 0 | 144 |
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145 /* Create a YUV video surface (possibly overlay) of the given |
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146 format. The hardware should be able to perform at least 2x |
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147 scaling on display. |
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148 */ |
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149 SDL_Overlay *(*CreateYUVOverlay) (_THIS, int width, int height, |
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150 Uint32 format, SDL_Surface * display); |
| 0 | 151 |
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152 /* Reverse the effects VideoInit() -- called if VideoInit() fails |
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153 or if the application is shutting down the video subsystem. |
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154 */ |
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155 void (*VideoQuit) (_THIS); |
| 0 | 156 |
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157 /* * * */ |
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158 /* Hardware acceleration functions */ |
| 0 | 159 |
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160 /* Information about the video hardware */ |
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161 SDL_VideoInfo info; |
| 1658 | 162 |
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163 /* The pixel format used when SDL_CreateRGBSurface creates SDL_HWSURFACEs with alpha */ |
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164 SDL_PixelFormat *displayformatalphapixel; |
| 0 | 165 |
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166 /* Allocates a surface in video memory */ |
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167 int (*AllocHWSurface) (_THIS, SDL_Surface * surface); |
| 0 | 168 |
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169 /* Sets the hardware accelerated blit function, if any, based |
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170 on the current flags of the surface (colorkey, alpha, etc.) |
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171 */ |
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172 int (*CheckHWBlit) (_THIS, SDL_Surface * src, SDL_Surface * dst); |
| 0 | 173 |
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174 /* Fills a surface rectangle with the given color */ |
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175 int (*FillHWRect) (_THIS, SDL_Surface * dst, SDL_Rect * rect, |
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176 Uint32 color); |
| 0 | 177 |
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178 /* Sets video mem colorkey and accelerated blit function */ |
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179 int (*SetHWColorKey) (_THIS, SDL_Surface * surface, Uint32 key); |
| 0 | 180 |
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181 /* Sets per surface hardware alpha value */ |
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182 int (*SetHWAlpha) (_THIS, SDL_Surface * surface, Uint8 value); |
| 0 | 183 |
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184 /* Returns a readable/writable surface */ |
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185 int (*LockHWSurface) (_THIS, SDL_Surface * surface); |
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186 void (*UnlockHWSurface) (_THIS, SDL_Surface * surface); |
| 0 | 187 |
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188 /* Frees a previously allocated video surface */ |
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189 void (*FreeHWSurface) (_THIS, SDL_Surface * surface); |
| 0 | 190 |
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191 /* * * */ |
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192 /* Gamma support */ |
| 0 | 193 |
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194 /* Set the gamma correction directly (emulated with gamma ramps) */ |
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195 int (*SetGamma) (_THIS, float red, float green, float blue); |
| 0 | 196 |
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197 /* Get the gamma correction directly (emulated with gamma ramps) */ |
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198 int (*GetGamma) (_THIS, float *red, float *green, float *blue); |
| 0 | 199 |
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200 /* Set the gamma ramp */ |
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201 int (*SetGammaRamp) (_THIS, Uint16 * ramp); |
| 0 | 202 |
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203 /* Get the gamma ramp */ |
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204 int (*GetGammaRamp) (_THIS, Uint16 * ramp); |
| 0 | 205 |
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206 /* * * */ |
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207 /* OpenGL support */ |
| 0 | 208 |
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209 /* Sets the dll to use for OpenGL and loads it */ |
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210 int (*GL_LoadLibrary) (_THIS, const char *path); |
| 0 | 211 |
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212 /* Retrieves the address of a function in the gl library */ |
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213 void *(*GL_GetProcAddress) (_THIS, const char *proc); |
| 0 | 214 |
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215 /* Get attribute information from the windowing system. */ |
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216 int (*GL_GetAttribute) (_THIS, SDL_GLattr attrib, int *value); |
| 0 | 217 |
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218 /* Make the context associated with this driver current */ |
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219 int (*GL_MakeCurrent) (_THIS); |
| 0 | 220 |
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221 /* Swap the current buffers in double buffer mode. */ |
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222 void (*GL_SwapBuffers) (_THIS); |
| 0 | 223 |
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224 /* OpenGL functions for glSDL */ |
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225 #if SDL_VIDEO_OPENGL |
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226 #if !defined(__WIN32__) |
| 0 | 227 #define WINAPI |
| 228 #endif | |
| 229 #define SDL_PROC(ret,func,params) ret (WINAPI *func) params; | |
| 230 #include "SDL_glfuncs.h" | |
| 231 #undef SDL_PROC | |
| 232 | |
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233 /* Texture id */ |
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234 GLuint texture; |
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235 |
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236 int is_32bit; |
| 0 | 237 #endif |
| 238 | |
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239 /* * * */ |
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240 /* Cursor manager functions */ |
| 0 | 241 |
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242 /* Free a window manager cursor |
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243 This function can be NULL if CreateWMCursor is also NULL. |
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244 */ |
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245 void (*FreeWMCursor) (_THIS, WMcursor * cursor); |
| 0 | 246 |
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247 /* If not NULL, create a black/white window manager cursor */ |
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248 WMcursor *(*CreateWMCursor) (_THIS, |
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249 Uint8 * data, Uint8 * mask, int w, int h, |
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250 int hot_x, int hot_y); |
| 0 | 251 |
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252 /* Show the specified cursor, or hide if cursor is NULL */ |
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253 int (*ShowWMCursor) (_THIS, WMcursor * cursor); |
| 0 | 254 |
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255 /* Warp the window manager cursor to (x,y) |
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256 If NULL, a mouse motion event is posted internally. |
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257 */ |
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258 void (*WarpWMCursor) (_THIS, Uint16 x, Uint16 y); |
| 0 | 259 |
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260 /* If not NULL, this is called when a mouse motion event occurs */ |
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261 void (*MoveWMCursor) (_THIS, int x, int y); |
| 0 | 262 |
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263 /* Determine whether the mouse should be in relative mode or not. |
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264 This function is called when the input grab state or cursor |
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265 visibility state changes. |
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266 If the cursor is not visible, and the input is grabbed, the |
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267 driver can place the mouse in relative mode, which may result |
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268 in higher accuracy sampling of the pointer motion. |
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269 */ |
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270 void (*CheckMouseMode) (_THIS); |
| 0 | 271 |
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272 /* * * */ |
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273 /* Event manager functions */ |
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274 |
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275 /* Initialize keyboard mapping for this driver */ |
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276 void (*InitOSKeymap) (_THIS); |
| 0 | 277 |
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278 /* Handle any queued OS events */ |
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279 void (*PumpEvents) (_THIS); |
| 0 | 280 |
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281 /* * * */ |
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282 /* Data common to all drivers */ |
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283 int num_displays; |
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284 SDL_VideoDisplay *displays; |
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285 int current_display; |
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286 Uint32 next_window_id; |
| 0 | 287 |
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288 /* Driver information flags */ |
| 0 | 289 |
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290 /* * * */ |
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291 /* Data used by the GL drivers */ |
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292 struct |
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293 { |
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294 int red_size; |
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295 int green_size; |
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296 int blue_size; |
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297 int alpha_size; |
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298 int depth_size; |
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299 int buffer_size; |
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300 int stencil_size; |
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301 int double_buffer; |
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302 int accum_red_size; |
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303 int accum_green_size; |
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304 int accum_blue_size; |
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305 int accum_alpha_size; |
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306 int stereo; |
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307 int multisamplebuffers; |
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308 int multisamplesamples; |
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309 int accelerated; |
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310 int swap_control; |
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311 int driver_loaded; |
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312 char driver_path[256]; |
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313 void *dll_handle; |
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314 } gl_config; |
| 0 | 315 |
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316 /* * * */ |
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317 /* Data private to this driver */ |
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318 struct SDL_PrivateVideoData *hidden; |
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319 struct SDL_PrivateGLData *gl_data; |
| 0 | 320 |
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321 /* * * */ |
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322 /* The function used to dispose of this structure */ |
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323 void (*free) (_THIS); |
| 0 | 324 }; |
| 325 #undef _THIS | |
| 326 | |
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327 typedef struct VideoBootStrap |
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328 { |
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329 const char *name; |
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330 const char *desc; |
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331 int (*available) (void); |
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332 SDL_VideoDevice *(*create) (int devindex); |
| 0 | 333 } VideoBootStrap; |
| 334 | |
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335 #if SDL_VIDEO_DRIVER_QUARTZ |
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336 extern VideoBootStrap QZ_bootstrap; |
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337 #endif |
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338 #if SDL_VIDEO_DRIVER_X11 |
| 0 | 339 extern VideoBootStrap X11_bootstrap; |
| 340 #endif | |
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341 #if SDL_VIDEO_DRIVER_DGA |
| 0 | 342 extern VideoBootStrap DGA_bootstrap; |
| 343 #endif | |
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344 #if SDL_VIDEO_DRIVER_NANOX |
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345 extern VideoBootStrap NX_bootstrap; |
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346 #endif |
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347 #if SDL_VIDEO_DRIVER_IPOD |
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348 extern VideoBootStrap iPod_bootstrap; |
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349 #endif |
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350 #if SDL_VIDEO_DRIVER_QTOPIA |
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351 extern VideoBootStrap Qtopia_bootstrap; |
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352 #endif |
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353 #if SDL_VIDEO_DRIVER_WSCONS |
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354 extern VideoBootStrap WSCONS_bootstrap; |
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355 #endif |
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356 #if SDL_VIDEO_DRIVER_FBCON |
| 0 | 357 extern VideoBootStrap FBCON_bootstrap; |
| 358 #endif | |
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359 #if SDL_VIDEO_DRIVER_DIRECTFB |
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360 extern VideoBootStrap DirectFB_bootstrap; |
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361 #endif |
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362 #if SDL_VIDEO_DRIVER_PS2GS |
| 0 | 363 extern VideoBootStrap PS2GS_bootstrap; |
| 364 #endif | |
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365 #if SDL_VIDEO_DRIVER_GGI |
| 0 | 366 extern VideoBootStrap GGI_bootstrap; |
| 367 #endif | |
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368 #if SDL_VIDEO_DRIVER_VGL |
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369 extern VideoBootStrap VGL_bootstrap; |
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370 #endif |
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371 #if SDL_VIDEO_DRIVER_SVGALIB |
| 0 | 372 extern VideoBootStrap SVGALIB_bootstrap; |
| 373 #endif | |
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374 #if SDL_VIDEO_DRIVER_GAPI |
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375 extern VideoBootStrap GAPI_bootstrap; |
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376 #endif |
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377 #if SDL_VIDEO_DRIVER_WINDIB |
| 0 | 378 extern VideoBootStrap WINDIB_bootstrap; |
| 379 #endif | |
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380 #if SDL_VIDEO_DRIVER_DDRAW |
| 0 | 381 extern VideoBootStrap DIRECTX_bootstrap; |
| 382 #endif | |
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383 #if SDL_VIDEO_DRIVER_BWINDOW |
| 0 | 384 extern VideoBootStrap BWINDOW_bootstrap; |
| 385 #endif | |
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386 #if SDL_VIDEO_DRIVER_TOOLBOX |
| 0 | 387 extern VideoBootStrap TOOLBOX_bootstrap; |
| 388 #endif | |
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389 #if SDL_VIDEO_DRIVER_DRAWSPROCKET |
| 0 | 390 extern VideoBootStrap DSp_bootstrap; |
| 391 #endif | |
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392 #if SDL_VIDEO_DRIVER_CYBERGRAPHICS |
| 0 | 393 extern VideoBootStrap CGX_bootstrap; |
| 394 #endif | |
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395 #if SDL_VIDEO_DRIVER_PHOTON |
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396 extern VideoBootStrap ph_bootstrap; |
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397 #endif |
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398 #if SDL_VIDEO_DRIVER_EPOC |
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399 extern VideoBootStrap EPOC_bootstrap; |
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400 #endif |
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401 #if SDL_VIDEO_DRIVER_XBIOS |
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402 extern VideoBootStrap XBIOS_bootstrap; |
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403 #endif |
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404 #if SDL_VIDEO_DRIVER_GEM |
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405 extern VideoBootStrap GEM_bootstrap; |
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406 #endif |
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407 #if SDL_VIDEO_DRIVER_PICOGUI |
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408 extern VideoBootStrap PG_bootstrap; |
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409 #endif |
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410 #if SDL_VIDEO_DRIVER_DC |
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411 extern VideoBootStrap DC_bootstrap; |
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412 #endif |
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413 #if SDL_VIDEO_DRIVER_RISCOS |
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414 extern VideoBootStrap RISCOS_bootstrap; |
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415 #endif |
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416 #if SDL_VIDEO_DRIVER_OS2FS |
| 1190 | 417 extern VideoBootStrap OS2FSLib_bootstrap; |
| 418 #endif | |
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419 #if SDL_VIDEO_DRIVER_AALIB |
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420 extern VideoBootStrap AALIB_bootstrap; |
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421 #endif |
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422 #if SDL_VIDEO_DRIVER_DUMMY |
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423 extern VideoBootStrap DUMMY_bootstrap; |
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424 #endif |
| 1658 | 425 #if SDL_VIDEO_DRIVER_GLSDL |
| 426 extern VideoBootStrap glSDL_bootstrap; | |
| 427 #endif | |
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428 |
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429 #define SDL_CurrentDisplay (_this->displays[_this->current_display]) |
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430 #define SDL_CurrentWindow (SDL_CurrentDisplay.windows[0]) |
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431 #define SDL_VideoSurface ((_this && SDL_CurrentDisplay.num_windows > 0) ? SDL_CurrentWindow.surface : NULL) |
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432 #define SDL_ShadowSurface ((_this && SDL_CurrentDisplay.num_windows > 0) ? SDL_CurrentWindow.shadow : NULL) |
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433 #define SDL_PublicSurface (SDL_ShadowSurface ? SDL_ShadowSurface : SDL_VideoSurface) |
| 0 | 434 |
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435 extern SDL_VideoDevice *SDL_GetVideoDevice(); |
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436 extern void SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode); |
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437 extern void SDL_AddVideoDisplay(const SDL_VideoDisplay * display); |
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438 extern void SDL_AddDisplayMode(int display, const SDL_DisplayMode * mode); |
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439 extern SDL_Window *SDL_GetWindowFromSurface(SDL_Surface * surface); |
| 0 | 440 |
| 441 #endif /* _SDL_sysvideo_h */ | |
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442 |
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443 /* vi: set ts=4 sw=4 expandtab: */ |