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annotate src/video/SDL_sysvideo.h @ 1734:f7c667ded87d SDL-1.3

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The general code handles restoring video mode/gamma/etc. when the window loses focus. Support for changing fullscreen/windowed mode in progress.
author Sam Lantinga <slouken@libsdl.org>
date Sun, 09 Jul 2006 18:09:16 +0000
parents 0b1070f2f94d
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifndef _SDL_sysvideo_h
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25 #define _SDL_sysvideo_h
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26
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27 #include "SDL_mouse.h"
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28
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29 /* The SDL video driver */
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30
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31 typedef struct SDL_Window SDL_Window;
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32 typedef struct SDL_Texture SDL_Texture;
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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_VideoDisplay SDL_VideoDisplay;
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36 typedef struct SDL_VideoDevice SDL_VideoDevice;
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37
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38 /* Define the SDL texture structure */
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39 struct SDL_Texture
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40 {
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41 Uint32 id;
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42
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43 Uint32 format; /**< The pixel format of the texture */
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44 int access; /**< SDL_TextureAccess */
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45 int w; /**< The width of the texture */
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46 int h; /**< The height of the texture */
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47
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48 SDL_Renderer *renderer;
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49
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50 void *driverdata; /**< Driver specific texture representation */
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51
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52 SDL_Texture *next;
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53 };
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54
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55 /* Define the SDL renderer structure */
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56 struct SDL_Renderer
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57 {
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58 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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59 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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60 void **pixels, int *pitch);
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61 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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62 const SDL_Color * colors, int firstcolor,
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63 int ncolors);
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64 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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65 SDL_Color * colors, int firstcolor,
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66 int ncolors);
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67 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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68 const SDL_Rect * rect, const void *pixels,
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69 int pitch);
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70 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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71 const SDL_Rect * rect, int markDirty, void **pixels,
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72 int *pitch);
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73 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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74 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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75 int numrects, const SDL_Rect * rects);
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76 void (*SelectRenderTexture) (SDL_Renderer * renderer,
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77 SDL_Texture * texture);
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78 int (*RenderFill) (SDL_Renderer * renderer, const SDL_Rect * rect,
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79 Uint32 color);
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80 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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81 const SDL_Rect * srcrect, const SDL_Rect * dstrect,
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82 int blendMode, int scaleMode);
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83 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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84 void *pixels, int pitch);
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85 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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86 const void *pixels, int pitch);
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87 void (*RenderPresent) (SDL_Renderer * renderer);
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88 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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89
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90 void (*DestroyRenderer) (SDL_Renderer * renderer);
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91
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92 /* The current renderer info */
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93 SDL_RendererInfo info;
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94
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95 /* The window associated with the renderer */
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96 SDL_WindowID window;
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97
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98 void *driverdata;
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99 };
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100
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101 /* Define the SDL render driver structure */
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102 struct SDL_RenderDriver
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103 {
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104 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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105
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106 /* Info about the renderer capabilities */
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107 SDL_RendererInfo info;
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108 };
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109
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110 /* Define the SDL window structure, corresponding to toplevel windows */
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111 struct SDL_Window
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112 {
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113 Uint32 id;
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114
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115 char *title;
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116 int x, y;
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117 int w, h;
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118 Uint32 flags;
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119
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120 int display;
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121 SDL_Renderer *renderer;
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122
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123 void *userdata;
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124 void *driverdata;
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125 };
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126 #define FULLSCREEN_VISIBLE(W) \
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127 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \
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128 ((W)->flags & SDL_WINDOW_SHOWN) && \
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129 !((W)->flags & SDL_WINDOW_MINIMIZED))
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130
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131 /* Define the SDL display structure
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132 This corresponds to physical monitors attached to the system.
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133 */
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134 struct SDL_VideoDisplay
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135 {
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136 int max_display_modes;
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137 int num_display_modes;
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138 SDL_DisplayMode *display_modes;
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139 SDL_DisplayMode desktop_mode;
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140 SDL_DisplayMode current_mode;
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141 SDL_DisplayMode desired_mode;
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142 SDL_DisplayMode *fullscreen_mode;
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143 SDL_Palette *palette;
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144
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145 Uint16 *gamma;
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146 Uint16 *saved_gamma; /* (just offset into gamma) */
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147
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148 int num_render_drivers;
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149 SDL_RenderDriver *render_drivers;
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150
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151 int num_windows;
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152 SDL_Window *windows;
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153
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154 SDL_Renderer *current_renderer;
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155
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156 /* The hash list of textures */
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157 SDL_Texture *textures[64];
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158
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159 SDL_VideoDevice *device;
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160
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161 void *driverdata;
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162 };
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163
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164 /* Define the SDL video driver structure */
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165 #define _THIS SDL_VideoDevice *_this
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166
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167 struct SDL_VideoDevice
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168 {
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169 /* * * */
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170 /* The name of this video driver */
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171 const char *name;
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172
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173 /* * * */
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174 /* Initialization/Query functions */
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175
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176 /* Initialize the native video subsystem, filling in the list
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177 of displays for this driver, returning 0 or -1 if there's an error.
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178 */
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179 int (*VideoInit) (_THIS);
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180
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181 /* * * */
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182 /* Display functions
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183 */
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184
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185 /* Get a list of the available display modes.
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186 * e.g. SDL_AddDisplayMode(_this->current_display, mode)
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187 */
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188 void (*GetDisplayModes) (_THIS);
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189
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190 /* Setting the display mode is independent of creating windows,
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191 * so when the display mode is changed, all existing windows
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192 * should have their data updated accordingly, including the
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193 * display surfaces associated with them.
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194 */
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195 int (*SetDisplayMode) (_THIS, SDL_DisplayMode * mode);
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196
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197 /* Set the color entries of the display palette */
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198 int (*SetDisplayPalette) (_THIS, SDL_Palette * palette);
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199
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200 /* Get the color entries of the display palette */
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201 int (*GetDisplayPalette) (_THIS, SDL_Palette * palette);
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202
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203 /* Set the gamma ramp */
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204 int (*SetDisplayGammaRamp) (_THIS, Uint16 * ramp);
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205
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206 /* Get the gamma ramp */
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207 int (*GetDisplayGammaRamp) (_THIS, Uint16 * ramp);
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208
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209 /* * * */
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210 /* Window functions
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211 */
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212 int (*CreateWindow) (_THIS, SDL_Window * window);
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213 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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214 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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215 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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216 void (*SetWindowSize) (_THIS, SDL_Window * window);
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217 void (*ShowWindow) (_THIS, SDL_Window * window);
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218 void (*HideWindow) (_THIS, SDL_Window * window);
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219 void (*RaiseWindow) (_THIS, SDL_Window * window);
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220 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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221 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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222 void (*RestoreWindow) (_THIS, SDL_Window * window);
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223 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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224 void (*DestroyWindow) (_THIS, SDL_Window * window);
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225
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226 /* Get some platform dependent window information */
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227 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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228 struct SDL_SysWMinfo * info);
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229
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230 /* Reverse the effects VideoInit() -- called if VideoInit() fails
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231 or if the application is shutting down the video subsystem.
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232 */
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233 void (*VideoQuit) (_THIS);
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234
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235 /* * * */
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236 /* OpenGL support */
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237
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238 /* Sets the dll to use for OpenGL and loads it */
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239 int (*GL_LoadLibrary) (_THIS, const char *path);
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240
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241 /* Retrieves the address of a function in the gl library */
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242 void *(*GL_GetProcAddress) (_THIS, const char *proc);
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243
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244 /* Get attribute information from the windowing system. */
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245 int (*GL_GetAttribute) (_THIS, SDL_GLattr attrib, int *value);
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246
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247 /* Make the context associated with this driver current */
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248 int (*GL_MakeCurrent) (_THIS);
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249
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250 /* Swap the current buffers in double buffer mode. */
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251 void (*GL_SwapBuffers) (_THIS);
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252
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253 /* Determine whether the mouse should be in relative mode or not.
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254 This function is called when the input grab state or cursor
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255 visibility state changes.
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256 If the cursor is not visible, and the input is grabbed, the
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257 driver can place the mouse in relative mode, which may result
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258 in higher accuracy sampling of the pointer motion.
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259 */
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260 void (*CheckMouseMode) (_THIS);
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261
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262 /* * * */
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263 /* Event manager functions */
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264
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265 /* Handle any queued OS events */
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266 void (*PumpEvents) (_THIS);
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267
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268 /* * * */
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269 /* Data common to all drivers */
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270 int num_displays;
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271 SDL_VideoDisplay *displays;
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272 int current_display;
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273 Uint32 next_object_id;
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274
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275 /* Driver information flags */
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276
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277 /* * * */
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278 /* Data used by the GL drivers */
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279 struct
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280 {
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281 int red_size;
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282 int green_size;
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283 int blue_size;
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284 int alpha_size;
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285 int depth_size;
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286 int buffer_size;
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287 int stencil_size;
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288 int double_buffer;
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289 int accum_red_size;
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290 int accum_green_size;
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291 int accum_blue_size;
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292 int accum_alpha_size;
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293 int stereo;
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294 int multisamplebuffers;
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295 int multisamplesamples;
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296 int accelerated;
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297 int driver_loaded;
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298 char driver_path[256];
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299 void *dll_handle;
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300 } gl_config;
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301
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302 /* * * */
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303 /* Data private to this driver */
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304 void *driverdata;
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305 struct SDL_PrivateGLData *gl_data;
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306
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307 /* * * */
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308 /* The function used to dispose of this structure */
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309 void (*free) (_THIS);
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310 };
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311
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312 typedef struct VideoBootStrap
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313 {
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314 const char *name;
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315 const char *desc;
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316 int (*available) (void);
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317 SDL_VideoDevice *(*create) (int devindex);
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318 } VideoBootStrap;
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319
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320 #if SDL_VIDEO_DRIVER_QUARTZ
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321 extern VideoBootStrap QZ_bootstrap;
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322 #endif
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323 #if SDL_VIDEO_DRIVER_X11
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324 extern VideoBootStrap X11_bootstrap;
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325 #endif
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326 #if SDL_VIDEO_DRIVER_DGA
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327 extern VideoBootStrap DGA_bootstrap;
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328 #endif
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329 #if SDL_VIDEO_DRIVER_NANOX
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330 extern VideoBootStrap NX_bootstrap;
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331 #endif
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332 #if SDL_VIDEO_DRIVER_IPOD
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333 extern VideoBootStrap iPod_bootstrap;
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334 #endif
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335 #if SDL_VIDEO_DRIVER_QTOPIA
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336 extern VideoBootStrap Qtopia_bootstrap;
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337 #endif
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338 #if SDL_VIDEO_DRIVER_WSCONS
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339 extern VideoBootStrap WSCONS_bootstrap;
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340 #endif
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341 #if SDL_VIDEO_DRIVER_FBCON
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342 extern VideoBootStrap FBCON_bootstrap;
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343 #endif
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344 #if SDL_VIDEO_DRIVER_DIRECTFB
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345 extern VideoBootStrap DirectFB_bootstrap;
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346 #endif
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347 #if SDL_VIDEO_DRIVER_PS2GS
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348 extern VideoBootStrap PS2GS_bootstrap;
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349 #endif
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350 #if SDL_VIDEO_DRIVER_GGI
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351 extern VideoBootStrap GGI_bootstrap;
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352 #endif
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353 #if SDL_VIDEO_DRIVER_VGL
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354 extern VideoBootStrap VGL_bootstrap;
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355 #endif
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356 #if SDL_VIDEO_DRIVER_SVGALIB
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357 extern VideoBootStrap SVGALIB_bootstrap;
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358 #endif
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359 #if SDL_VIDEO_DRIVER_GAPI
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360 extern VideoBootStrap GAPI_bootstrap;
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361 #endif
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362 #if SDL_VIDEO_DRIVER_WIN32
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363 extern VideoBootStrap WIN32_bootstrap;
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364 #endif
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365 #if SDL_VIDEO_DRIVER_BWINDOW
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366 extern VideoBootStrap BWINDOW_bootstrap;
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367 #endif
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368 #if SDL_VIDEO_DRIVER_TOOLBOX
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369 extern VideoBootStrap TOOLBOX_bootstrap;
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370 #endif
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371 #if SDL_VIDEO_DRIVER_DRAWSPROCKET
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372 extern VideoBootStrap DSp_bootstrap;
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373 #endif
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374 #if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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375 extern VideoBootStrap CGX_bootstrap;
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376 #endif
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377 #if SDL_VIDEO_DRIVER_PHOTON
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378 extern VideoBootStrap ph_bootstrap;
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379 #endif
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380 #if SDL_VIDEO_DRIVER_EPOC
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381 extern VideoBootStrap EPOC_bootstrap;
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382 #endif
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383 #if SDL_VIDEO_DRIVER_XBIOS
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384 extern VideoBootStrap XBIOS_bootstrap;
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385 #endif
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386 #if SDL_VIDEO_DRIVER_GEM
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387 extern VideoBootStrap GEM_bootstrap;
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388 #endif
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389 #if SDL_VIDEO_DRIVER_PICOGUI
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390 extern VideoBootStrap PG_bootstrap;
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391 #endif
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392 #if SDL_VIDEO_DRIVER_DC
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393 extern VideoBootStrap DC_bootstrap;
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394 #endif
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395 #if SDL_VIDEO_DRIVER_RISCOS
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396 extern VideoBootStrap RISCOS_bootstrap;
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397 #endif
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398 #if SDL_VIDEO_DRIVER_OS2FS
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399 extern VideoBootStrap OS2FSLib_bootstrap;
173c063d4f55 OS/2 port!
Ryan C. Gordon <icculus@icculus.org>
parents: 1187
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400 #endif
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
401 #if SDL_VIDEO_DRIVER_AALIB
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1330
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402 extern VideoBootStrap AALIB_bootstrap;
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
403 #endif
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
404 #if SDL_VIDEO_DRIVER_DUMMY
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1330
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405 extern VideoBootStrap DUMMY_bootstrap;
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
406 #endif
1658
e49147870aac glSDL support
Sam Lantinga <slouken@libsdl.org>
parents: 1656
diff changeset
407 #if SDL_VIDEO_DRIVER_GLSDL
e49147870aac glSDL support
Sam Lantinga <slouken@libsdl.org>
parents: 1656
diff changeset
408 extern VideoBootStrap glSDL_bootstrap;
e49147870aac glSDL support
Sam Lantinga <slouken@libsdl.org>
parents: 1656
diff changeset
409 #endif
1361
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Sam Lantinga <slouken@libsdl.org>
parents: 1330
diff changeset
410
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1658
diff changeset
411 #define SDL_CurrentDisplay (_this->displays[_this->current_display])
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
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412
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1666
diff changeset
413 extern SDL_VideoDevice *SDL_GetVideoDevice();
1677
5e4c5e095925 Added new style dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
414 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
5e4c5e095925 Added new style dummy renderer
Sam Lantinga <slouken@libsdl.org>
parents: 1676
diff changeset
415 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
1725
98a3207ddde8 Implemented Win32 video mode support
Sam Lantinga <slouken@libsdl.org>
parents: 1720
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416 extern SDL_bool SDL_AddDisplayMode(int displayIndex,
98a3207ddde8 Implemented Win32 video mode support
Sam Lantinga <slouken@libsdl.org>
parents: 1720
diff changeset
417 const SDL_DisplayMode * mode);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
418 extern void SDL_AddRenderDriver(int displayIndex,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
diff changeset
419 const SDL_RenderDriver * driver);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
420
1706
1577404809f0 Added a multi-window version of testsprite using the new API.
Sam Lantinga <slouken@libsdl.org>
parents: 1683
diff changeset
421 extern SDL_Window *SDL_GetWindowFromID(SDL_WindowID windowID);
1577404809f0 Added a multi-window version of testsprite using the new API.
Sam Lantinga <slouken@libsdl.org>
parents: 1683
diff changeset
422 extern SDL_VideoDisplay *SDL_GetDisplayFromWindow(SDL_Window * window);
1577404809f0 Added a multi-window version of testsprite using the new API.
Sam Lantinga <slouken@libsdl.org>
parents: 1683
diff changeset
423
1733
0b1070f2f94d Implemented gamma correction on Windows.
Sam Lantinga <slouken@libsdl.org>
parents: 1729
diff changeset
424 extern void SDL_OnWindowShown(SDL_Window * window);
0b1070f2f94d Implemented gamma correction on Windows.
Sam Lantinga <slouken@libsdl.org>
parents: 1729
diff changeset
425 extern void SDL_OnWindowHidden(SDL_Window * window);
0b1070f2f94d Implemented gamma correction on Windows.
Sam Lantinga <slouken@libsdl.org>
parents: 1729
diff changeset
426 extern void SDL_OnWindowFocusGained(SDL_Window * window);
0b1070f2f94d Implemented gamma correction on Windows.
Sam Lantinga <slouken@libsdl.org>
parents: 1729
diff changeset
427 extern void SDL_OnWindowFocusLost(SDL_Window * window);
1734
f7c667ded87d The general code handles restoring video mode/gamma/etc. when the window loses focus.
Sam Lantinga <slouken@libsdl.org>
parents: 1733
diff changeset
428 extern SDL_WindowID SDL_GetFocusWindow(void);
1733
0b1070f2f94d Implemented gamma correction on Windows.
Sam Lantinga <slouken@libsdl.org>
parents: 1729
diff changeset
429
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430 #endif /* _SDL_sysvideo_h */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1658
diff changeset
431
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1658
diff changeset
432 /* vi: set ts=4 sw=4 expandtab: */