annotate src/video/SDL_sysvideo.h @ 3697:f7b03b6838cb

Fixed bug #926 Updated copyright to LGPL version 2.1 and year 2010
author Sam Lantinga <slouken@libsdl.org>
date Sun, 24 Jan 2010 21:10:53 +0000
parents f6a8be3fefa0
children fb905d5674cc
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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 #include "SDL_keysym.h"
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29
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30 /* The SDL video driver */
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31
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32 typedef struct SDL_Renderer SDL_Renderer;
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33 typedef struct SDL_RenderDriver SDL_RenderDriver;
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34 typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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35 typedef struct SDL_VideoDevice SDL_VideoDevice;
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36
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37 /* Define the SDL texture structure */
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38 struct SDL_Texture
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39 {
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40 const void *magic;
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41 Uint32 format; /**< The pixel format of the texture */
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42 int access; /**< SDL_TextureAccess */
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43 int w; /**< The width of the texture */
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44 int h; /**< The height of the texture */
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45 int modMode; /**< The texture modulation mode */
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46 int blendMode; /**< The texture blend mode */
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47 int scaleMode; /**< The texture scale mode */
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48 Uint8 r, g, b, a; /**< Texture modulation values */
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49
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50 SDL_Renderer *renderer;
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51
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52 void *driverdata; /**< Driver specific texture representation */
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53
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54 SDL_Texture *prev;
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55 SDL_Texture *next;
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56 };
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57
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58 /* Define the SDL renderer structure */
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59 struct SDL_Renderer
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60 {
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61 int (*ActivateRenderer) (SDL_Renderer * renderer);
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62 int (*DisplayModeChanged) (SDL_Renderer * renderer);
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63 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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64 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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65 void **pixels, int *pitch);
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66 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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67 const SDL_Color * colors, int firstcolor,
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68 int ncolors);
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69 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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70 SDL_Color * colors, int firstcolor,
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71 int ncolors);
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72 int (*SetTextureColorMod) (SDL_Renderer * renderer,
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73 SDL_Texture * texture);
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74 int (*SetTextureAlphaMod) (SDL_Renderer * renderer,
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75 SDL_Texture * texture);
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76 int (*SetTextureBlendMode) (SDL_Renderer * renderer,
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77 SDL_Texture * texture);
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78 int (*SetTextureScaleMode) (SDL_Renderer * renderer,
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79 SDL_Texture * texture);
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80 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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81 const SDL_Rect * rect, const void *pixels,
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82 int pitch);
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83 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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84 const SDL_Rect * rect, int markDirty, void **pixels,
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85 int *pitch);
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86 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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87 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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88 int numrects, const SDL_Rect * rects);
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89 int (*SetDrawColor) (SDL_Renderer * renderer);
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90 int (*SetDrawBlendMode) (SDL_Renderer * renderer);
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91 int (*RenderClear) (SDL_Renderer * renderer);
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92 int (*RenderDrawPoints) (SDL_Renderer * renderer, const SDL_Point * points,
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93 int count);
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94 int (*RenderDrawLines) (SDL_Renderer * renderer, const SDL_Point * points,
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95 int count);
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96 int (*RenderDrawRects) (SDL_Renderer * renderer, const SDL_Rect ** rects,
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97 int count);
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98 int (*RenderFillRects) (SDL_Renderer * renderer, const SDL_Rect ** rects,
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99 int count);
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100 int (*RenderDrawEllipse) (SDL_Renderer * renderer, int x, int y,
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101 int w, int h);
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102 int (*RenderFillEllipse) (SDL_Renderer * renderer, int x, int y,
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103 int w, int h);
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104 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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105 const SDL_Rect * srcrect, const SDL_Rect * dstrect);
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106 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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107 Uint32 format, void * pixels, int pitch);
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108 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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109 Uint32 format, const void * pixels, int pitch);
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110 void (*RenderPresent) (SDL_Renderer * renderer);
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111 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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112
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113 void (*DestroyRenderer) (SDL_Renderer * renderer);
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114
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115 /* The current renderer info */
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116 SDL_RendererInfo info;
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117
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118 /* The window associated with the renderer */
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119 SDL_Window *window;
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121 /* The list of textures */
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122 SDL_Texture *textures;
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123
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124 Uint8 r, g, b, a; /**< Color for drawing operations values */
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125 int blendMode; /**< The drawing blend mode */
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126
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127 void *driverdata;
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128 };
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129
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130 /* Define the SDL render driver structure */
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131 struct SDL_RenderDriver
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132 {
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133 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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134
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135 /* Info about the renderer capabilities */
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136 SDL_RendererInfo info;
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137 };
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138
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139 /* Define the SDL window structure, corresponding to toplevel windows */
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140 struct SDL_Window
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141 {
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142 const void *magic;
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143 Uint32 id;
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144 char *title;
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145 int x, y;
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146 int w, h;
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147 Uint32 flags;
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148
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149 SDL_VideoDisplay *display;
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150 SDL_Renderer *renderer;
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151
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152 SDL_DisplayMode fullscreen_mode;
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153
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154 void *userdata;
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155 void *driverdata;
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156
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157 SDL_Window *prev;
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158 SDL_Window *next;
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159 };
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160 #define FULLSCREEN_VISIBLE(W) \
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161 (((W)->flags & SDL_WINDOW_FULLSCREEN) && \
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162 ((W)->flags & SDL_WINDOW_SHOWN) && \
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163 !((W)->flags & SDL_WINDOW_MINIMIZED))
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164
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165 /*
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166 * Define the SDL display structure This corresponds to physical monitors
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167 * attached to the system.
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168 */
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169 struct SDL_VideoDisplay
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170 {
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171 int max_display_modes;
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172 int num_display_modes;
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173 SDL_DisplayMode *display_modes;
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174 SDL_DisplayMode desktop_mode;
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175 SDL_DisplayMode current_mode;
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176 SDL_bool updating_fullscreen;
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177 SDL_Palette *palette;
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178
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179 Uint16 *gamma;
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180 Uint16 *saved_gamma; /* (just offset into gamma) */
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181
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182 int num_render_drivers;
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183 SDL_RenderDriver *render_drivers;
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184
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185 int num_windows;
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186 SDL_Window *windows;
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187 SDL_Window *fullscreen_window;
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188
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189 SDL_Renderer *current_renderer;
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190
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191 SDL_VideoDevice *device;
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192
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193 void *driverdata;
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194 };
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195
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196 /* Define the SDL video driver structure */
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197 #define _THIS SDL_VideoDevice *_this
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198
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199 struct SDL_VideoDevice
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200 {
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201 /* * * */
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202 /* The name of this video driver */
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203 const char *name;
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204
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205 /* * * */
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206 /* Initialization/Query functions */
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207
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208 /*
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209 * Initialize the native video subsystem, filling in the list of
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210 * displays for this driver, returning 0 or -1 if there's an error.
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211 */
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212 int (*VideoInit) (_THIS);
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213
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214 /*
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215 * Reverse the effects VideoInit() -- called if VideoInit() fails or
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216 * if the application is shutting down the video subsystem.
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217 */
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218 void (*VideoQuit) (_THIS);
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219
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220 /* * * */
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221 /*
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222 * Display functions
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223 */
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224
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225 /*
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226 * Get the bounds of a display
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227 */
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228 int (*GetDisplayBounds) (_THIS, SDL_VideoDisplay * display, SDL_Rect * rect);
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229
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230 /*
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231 * Get a list of the available display modes. e.g.
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232 * SDL_AddDisplayMode(_this->current_display, mode)
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233 */
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234 void (*GetDisplayModes) (_THIS, SDL_VideoDisplay * display);
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235
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236 /*
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237 * Setting the display mode is independent of creating windows, so
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238 * when the display mode is changed, all existing windows should have
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239 * their data updated accordingly, including the display surfaces
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240 * associated with them.
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241 */
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242 int (*SetDisplayMode) (_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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243
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244 /* Set the color entries of the display palette */
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245 int (*SetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette);
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246
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247 /* Get the color entries of the display palette */
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248 int (*GetDisplayPalette) (_THIS, SDL_VideoDisplay * display, SDL_Palette * palette);
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249
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250 /* Set the gamma ramp */
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251 int (*SetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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252
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253 /* Get the gamma ramp */
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254 int (*GetDisplayGammaRamp) (_THIS, SDL_VideoDisplay * display, Uint16 * ramp);
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255
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256 /* * * */
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257 /*
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258 * Window functions
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259 */
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260 int (*CreateWindow) (_THIS, SDL_Window * window);
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261 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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262 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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263 void (*SetWindowIcon) (_THIS, SDL_Window * window, SDL_Surface * icon);
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264 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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265 void (*SetWindowSize) (_THIS, SDL_Window * window);
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266 void (*ShowWindow) (_THIS, SDL_Window * window);
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267 void (*HideWindow) (_THIS, SDL_Window * window);
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268 void (*RaiseWindow) (_THIS, SDL_Window * window);
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269 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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270 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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271 void (*RestoreWindow) (_THIS, SDL_Window * window);
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272 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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273 void (*DestroyWindow) (_THIS, SDL_Window * window);
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274
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275 /* Get some platform dependent window information */
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276 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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277 struct SDL_SysWMinfo * info);
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278
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279 /* * * */
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280 /*
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281 * OpenGL support
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282 */
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283 int (*GL_LoadLibrary) (_THIS, const char *path);
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284 void *(*GL_GetProcAddress) (_THIS, const char *proc);
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285 void (*GL_UnloadLibrary) (_THIS);
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286 SDL_GLContext(*GL_CreateContext) (_THIS, SDL_Window * window);
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287 int (*GL_MakeCurrent) (_THIS, SDL_Window * window, SDL_GLContext context);
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288 int (*GL_SetSwapInterval) (_THIS, int interval);
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289 int (*GL_GetSwapInterval) (_THIS);
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290 void (*GL_SwapWindow) (_THIS, SDL_Window * window);
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291 void (*GL_DeleteContext) (_THIS, SDL_GLContext context);
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292
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293 /* * * */
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294 /*
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295 * Event manager functions
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296 */
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297 void (*PumpEvents) (_THIS);
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298
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299 /* Suspend the screensaver */
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300 void (*SuspendScreenSaver) (_THIS);
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301
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302 /* Text input */
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303 void (*StartTextInput) (_THIS);
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304 void (*StopTextInput) (_THIS);
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305 void (*SetTextInputRect) (_THIS, SDL_Rect *rect);
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306
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307 /* * * */
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308 /* Data common to all drivers */
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309 SDL_bool suspend_screensaver;
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310 int num_displays;
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311 SDL_VideoDisplay *displays;
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312 int current_display;
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313 Uint8 window_magic;
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314 Uint8 texture_magic;
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315 Uint32 next_object_id;
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316
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317 /* * * */
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318 /* Data used by the GL drivers */
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319 struct
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320 {
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321 int red_size;
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322 int green_size;
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323 int blue_size;
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324 int alpha_size;
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325 int depth_size;
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326 int buffer_size;
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327 int stencil_size;
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328 int double_buffer;
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329 int accum_red_size;
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330 int accum_green_size;
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331 int accum_blue_size;
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332 int accum_alpha_size;
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333 int stereo;
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334 int multisamplebuffers;
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335 int multisamplesamples;
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336 int accelerated;
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337 int major_version;
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338 int minor_version;
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339 int retained_backing;
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340 int driver_loaded;
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341 char driver_path[256];
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342 void *dll_handle;
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343 } gl_config;
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344
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345 /* * * */
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346 /* Data private to this driver */
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347 void *driverdata;
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348 struct SDL_GLDriverData *gl_data;
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349
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350 #if SDL_VIDEO_DRIVER_PANDORA
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351 struct SDL_PrivateGLESData *gles_data;
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352 #endif
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353
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354 /* * * */
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355 /* The function used to dispose of this structure */
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356 void (*free) (_THIS);
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357 };
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358
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359 typedef struct VideoBootStrap
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360 {
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361 const char *name;
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362 const char *desc;
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363 int (*available) (void);
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364 SDL_VideoDevice *(*create) (int devindex);
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365 } VideoBootStrap;
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366
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367 #if SDL_VIDEO_DRIVER_COCOA
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368 extern VideoBootStrap COCOA_bootstrap;
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369 #endif
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370 #if SDL_VIDEO_DRIVER_X11
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371 extern VideoBootStrap X11_bootstrap;
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372 #endif
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373 #if SDL_VIDEO_DRIVER_FBCON
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374 extern VideoBootStrap FBCON_bootstrap;
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375 #endif
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376 #if SDL_VIDEO_DRIVER_DIRECTFB
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377 extern VideoBootStrap DirectFB_bootstrap;
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378 #endif
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379 #if SDL_VIDEO_DRIVER_PS3
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380 extern VideoBootStrap PS3_bootstrap;
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381 #endif
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382 #if SDL_VIDEO_DRIVER_SVGALIB
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383 extern VideoBootStrap SVGALIB_bootstrap;
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384 #endif
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385 #if SDL_VIDEO_DRIVER_GAPI
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386 extern VideoBootStrap GAPI_bootstrap;
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387 #endif
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388 #if SDL_VIDEO_DRIVER_WIN32
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389 extern VideoBootStrap WIN32_bootstrap;
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390 #endif
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391 #if SDL_VIDEO_DRIVER_BWINDOW
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392 extern VideoBootStrap BWINDOW_bootstrap;
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393 #endif
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394 #if SDL_VIDEO_DRIVER_PHOTON
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395 extern VideoBootStrap photon_bootstrap;
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396 #endif
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397 #if SDL_VIDEO_DRIVER_QNXGF
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398 extern VideoBootStrap qnxgf_bootstrap;
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399 #endif
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400 #if SDL_VIDEO_DRIVER_EPOC
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401 extern VideoBootStrap EPOC_bootstrap;
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402 #endif
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403 #if SDL_VIDEO_DRIVER_RISCOS
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404 extern VideoBootStrap RISCOS_bootstrap;
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405 #endif
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406 #if SDL_VIDEO_DRIVER_UIKIT
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407 extern VideoBootStrap UIKIT_bootstrap;
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408 #endif
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409 #if SDL_VIDEO_DRIVER_DUMMY
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410 extern VideoBootStrap DUMMY_bootstrap;
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411 #endif
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412 #if SDL_VIDEO_DRIVER_NDS
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413 extern VideoBootStrap NDS_bootstrap;
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414 #endif
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415 #if SDL_VIDEO_DRIVER_PANDORA
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416 extern VideoBootStrap PND_bootstrap;
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417 #endif
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418
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419 #define SDL_CurrentDisplay (&_this->displays[_this->current_display])
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420 #define SDL_CurrentRenderer (SDL_CurrentDisplay->current_renderer)
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421
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422 extern SDL_VideoDevice *SDL_GetVideoDevice();
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423 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
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424 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
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425 extern SDL_bool SDL_AddDisplayMode(SDL_VideoDisplay *display, const SDL_DisplayMode * mode);
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426 extern int SDL_GetNumDisplayModesForDisplay(SDL_VideoDisplay * display);
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427 extern int SDL_GetDisplayModeForDisplay(SDL_VideoDisplay * display, int index, SDL_DisplayMode * mode);
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428 extern int SDL_GetDesktopDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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429 extern int SDL_GetCurrentDisplayModeForDisplay(SDL_VideoDisplay * display, SDL_DisplayMode * mode);
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430 extern SDL_DisplayMode * SDL_GetClosestDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode, SDL_DisplayMode * closest);
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431 extern int SDL_SetDisplayModeForDisplay(SDL_VideoDisplay * display, const SDL_DisplayMode * mode);
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432 extern int SDL_SetPaletteForDisplay(SDL_VideoDisplay * display, const SDL_Color * colors, int firstcolor, int ncolors);
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433 extern int SDL_GetPaletteForDisplay(SDL_VideoDisplay * display, SDL_Color * colors, int firstcolor, int ncolors);
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434 extern int SDL_SetGammaRampForDisplay(SDL_VideoDisplay * display, const Uint16 * red, const Uint16 * green, const Uint16 * blue);
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435 extern int SDL_GetGammaRampForDisplay(SDL_VideoDisplay * display, Uint16 * red, Uint16 * green, Uint16 * blue);
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436 extern void SDL_AddRenderDriver(SDL_VideoDisplay *display, const SDL_RenderDriver * driver);
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437
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438 extern int SDL_RecreateWindow(SDL_Window * window, Uint32 flags);
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439
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440 extern void SDL_OnWindowShown(SDL_Window * window);
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441 extern void SDL_OnWindowHidden(SDL_Window * window);
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442 extern void SDL_OnWindowResized(SDL_Window * window);
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443 extern void SDL_OnWindowMinimized(SDL_Window * window);
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444 extern void SDL_OnWindowRestored(SDL_Window * window);
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445 extern void SDL_OnWindowFocusGained(SDL_Window * window);
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446 extern void SDL_OnWindowFocusLost(SDL_Window * window);
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447 extern SDL_Window * SDL_GetFocusWindow(void);
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448
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449 #endif /* _SDL_sysvideo_h */
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450
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diff changeset
451 /* vi: set ts=4 sw=4 expandtab: */