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annotate src/video/SDL_sysvideo.h @ 1712:931d111e737a SDL-1.3

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Started framework for Windows video driver
author Sam Lantinga <slouken@libsdl.org>
date Mon, 26 Jun 2006 13:56:56 +0000
parents 1577404809f0
children a1ebb17f9c52
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 #define SDL_PROTOTYPES_ONLY
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29 #include "SDL_syswm.h"
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30 #undef SDL_PROTOTYPES_ONLY
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31
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32 /* The SDL video driver */
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33
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34 typedef struct SDL_Window SDL_Window;
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35 typedef struct SDL_Texture SDL_Texture;
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36 typedef struct SDL_Renderer SDL_Renderer;
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37 typedef struct SDL_RenderDriver SDL_RenderDriver;
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38 typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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39 typedef struct SDL_VideoDevice SDL_VideoDevice;
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40
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41 /* Define the SDL texture structure */
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42 struct SDL_Texture
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43 {
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44 Uint32 id;
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45
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46 Uint32 format; /**< The pixel format of the texture */
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47 int access; /**< SDL_TextureAccess */
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48 int w; /**< The width of the texture */
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49 int h; /**< The height of the texture */
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50
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51 SDL_Renderer *renderer;
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52
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53 void *driverdata; /**< Driver specific texture representation */
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54
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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 (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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62 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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63 void **pixels, int *pitch);
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64 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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65 const SDL_Color * colors, int firstcolor,
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66 int ncolors);
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67 int (*GetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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68 SDL_Color * colors, int firstcolor,
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69 int ncolors);
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70 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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71 const SDL_Rect * rect, const void *pixels,
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72 int pitch);
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73 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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74 const SDL_Rect * rect, int markDirty, void **pixels,
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75 int *pitch);
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76 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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77 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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78 int numrects, const SDL_Rect * rects);
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79 void (*SelectRenderTexture) (SDL_Renderer * renderer,
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80 SDL_Texture * texture);
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81 void (*RenderFill) (SDL_Renderer * renderer, const SDL_Rect * rect,
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82 Uint32 color);
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83 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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84 const SDL_Rect * srcrect, const SDL_Rect * dstrect,
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85 int blendMode, int scaleMode);
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86 int (*RenderReadPixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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87 void *pixels, int pitch);
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88 int (*RenderWritePixels) (SDL_Renderer * renderer, const SDL_Rect * rect,
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89 const void *pixels, int pitch);
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90 void (*RenderPresent) (SDL_Renderer * renderer);
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91 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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92
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93 void (*DestroyRenderer) (SDL_Renderer * renderer);
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94
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95 /* The current renderer info */
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96 SDL_RendererInfo info;
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97
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98 /* The window associated with the renderer */
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99 SDL_WindowID window;
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100
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101 void *driverdata;
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102 };
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103
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104 /* Define the SDL render driver structure */
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105 struct SDL_RenderDriver
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106 {
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107 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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108
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109 /* Info about the renderer capabilities */
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110 SDL_RendererInfo info;
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111 };
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112
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113 /* Define the SDL window structure, corresponding to toplevel windows */
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114 struct SDL_Window
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115 {
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116 Uint32 id;
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117
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118 char *title;
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119 int x, y;
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120 int w, h;
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121 Uint32 flags;
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122
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123 Uint16 *gamma;
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124
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125 int display;
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126 SDL_Renderer *renderer;
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127
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128 void *userdata;
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129 void *driverdata;
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130 };
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131
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132 /* Define the SDL display structure
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133 This corresponds to physical monitors attached to the system.
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134 */
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135 struct SDL_VideoDisplay
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136 {
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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_Palette *palette;
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142
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143 int num_render_drivers;
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144 SDL_RenderDriver *render_drivers;
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145
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146 int num_windows;
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147 SDL_Window *windows;
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148
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149 SDL_Renderer *current_renderer;
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150
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151 /* The hash list of textures */
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152 SDL_Texture *textures[64];
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153
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154 SDL_VideoDevice *device;
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155
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156 void *driverdata;
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157 };
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158
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159 /* Define the SDL video driver structure */
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160 #define _THIS SDL_VideoDevice *_this
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161
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162 struct SDL_VideoDevice
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163 {
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164 /* * * */
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165 /* The name of this video driver */
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166 const char *name;
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167
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168 /* * * */
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169 /* Initialization/Query functions */
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170
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171 /* Initialize the native video subsystem, filling in the list
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172 of displays for this driver, returning 0 or -1 if there's an error.
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173 */
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174 int (*VideoInit) (_THIS);
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175
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176 /* * * */
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177 /* Display functions
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178 */
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179 /* Setting the display mode is independent of creating windows,
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180 * so when the display mode is changed, all existing windows
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181 * should have their data updated accordingly, including the
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182 * display surfaces associated with them.
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183 */
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184 int (*SetDisplayMode) (_THIS, const SDL_DisplayMode * mode);
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185
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186 /* Sets the color entries of the display palette to those in 'colors'.
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187 The return value is 0 if all entries could be set properly or -1
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188 otherwise.
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189 */
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190 int (*SetDisplayPalette) (_THIS, SDL_Palette * palette);
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191
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192 /* * * */
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193 /* Window functions
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194 */
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195 int (*CreateWindow) (_THIS, SDL_Window * window);
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196 int (*CreateWindowFrom) (_THIS, SDL_Window * window, const void *data);
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197 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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198 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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199 void (*SetWindowSize) (_THIS, SDL_Window * window);
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200 void (*ShowWindow) (_THIS, SDL_Window * window);
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201 void (*HideWindow) (_THIS, SDL_Window * window);
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202 void (*RaiseWindow) (_THIS, SDL_Window * window);
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203 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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204 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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205 void (*RestoreWindow) (_THIS, SDL_Window * window);
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206 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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207 void (*DestroyWindow) (_THIS, SDL_Window * window);
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208
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209 /* Get some platform dependent window information */
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210 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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211 SDL_SysWMinfo * info);
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212
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213 /* Reverse the effects VideoInit() -- called if VideoInit() fails
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214 or if the application is shutting down the video subsystem.
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215 */
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216 void (*VideoQuit) (_THIS);
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217
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218 /* * * */
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219 /* Gamma support */
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220
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221 /* Set the gamma correction directly (emulated with gamma ramps) */
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222 int (*SetGamma) (_THIS, float red, float green, float blue);
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223
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224 /* Get the gamma correction directly (emulated with gamma ramps) */
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225 int (*GetGamma) (_THIS, float *red, float *green, float *blue);
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226
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227 /* Set the gamma ramp */
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228 int (*SetGammaRamp) (_THIS, Uint16 * ramp);
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229
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230 /* Get the gamma ramp */
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231 int (*GetGammaRamp) (_THIS, Uint16 * ramp);
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232
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233 /* * * */
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234 /* OpenGL support */
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235
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236 /* Sets the dll to use for OpenGL and loads it */
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237 int (*GL_LoadLibrary) (_THIS, const char *path);
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238
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239 /* Retrieves the address of a function in the gl library */
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240 void *(*GL_GetProcAddress) (_THIS, const char *proc);
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241
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242 /* Get attribute information from the windowing system. */
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243 int (*GL_GetAttribute) (_THIS, SDL_GLattr attrib, int *value);
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244
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245 /* Make the context associated with this driver current */
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246 int (*GL_MakeCurrent) (_THIS);
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247
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248 /* Swap the current buffers in double buffer mode. */
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249 void (*GL_SwapBuffers) (_THIS);
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250
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251 /* Determine whether the mouse should be in relative mode or not.
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252 This function is called when the input grab state or cursor
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253 visibility state changes.
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254 If the cursor is not visible, and the input is grabbed, the
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255 driver can place the mouse in relative mode, which may result
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256 in higher accuracy sampling of the pointer motion.
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257 */
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258 void (*CheckMouseMode) (_THIS);
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259
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260 /* * * */
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261 /* Event manager functions */
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262
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263 /* Handle any queued OS events */
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264 void (*PumpEvents) (_THIS);
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265
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266 /* * * */
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267 /* Data common to all drivers */
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268 int num_displays;
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269 SDL_VideoDisplay *displays;
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270 int current_display;
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271 Uint32 next_object_id;
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272
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273 /* Driver information flags */
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274
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275 /* * * */
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276 /* Data used by the GL drivers */
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277 struct
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278 {
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279 int red_size;
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280 int green_size;
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281 int blue_size;
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282 int alpha_size;
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283 int depth_size;
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284 int buffer_size;
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285 int stencil_size;
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286 int double_buffer;
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287 int accum_red_size;
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288 int accum_green_size;
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289 int accum_blue_size;
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290 int accum_alpha_size;
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291 int stereo;
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292 int multisamplebuffers;
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293 int multisamplesamples;
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294 int accelerated;
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295 int swap_control;
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296 int driver_loaded;
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297 char driver_path[256];
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298 void *dll_handle;
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299 } gl_config;
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300
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301 /* * * */
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302 /* Data private to this driver */
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303 struct SDL_PrivateVideoData *hidden;
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304 struct SDL_PrivateGLData *gl_data;
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305
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306 /* * * */
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307 /* The function used to dispose of this structure */
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308 void (*free) (_THIS);
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309 };
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310
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311 typedef struct VideoBootStrap
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312 {
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313 const char *name;
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314 const char *desc;
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315 int (*available) (void);
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316 SDL_VideoDevice *(*create) (int devindex);
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317 } VideoBootStrap;
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318
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319 #if SDL_VIDEO_DRIVER_QUARTZ
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320 extern VideoBootStrap QZ_bootstrap;
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321 #endif
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322 #if SDL_VIDEO_DRIVER_X11
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323 extern VideoBootStrap X11_bootstrap;
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324 #endif
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325 #if SDL_VIDEO_DRIVER_DGA
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326 extern VideoBootStrap DGA_bootstrap;
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327 #endif
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328 #if SDL_VIDEO_DRIVER_NANOX
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329 extern VideoBootStrap NX_bootstrap;
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330 #endif
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331 #if SDL_VIDEO_DRIVER_IPOD
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332 extern VideoBootStrap iPod_bootstrap;
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333 #endif
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334 #if SDL_VIDEO_DRIVER_QTOPIA
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335 extern VideoBootStrap Qtopia_bootstrap;
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336 #endif
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337 #if SDL_VIDEO_DRIVER_WSCONS
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338 extern VideoBootStrap WSCONS_bootstrap;
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339 #endif
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340 #if SDL_VIDEO_DRIVER_FBCON
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341 extern VideoBootStrap FBCON_bootstrap;
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342 #endif
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343 #if SDL_VIDEO_DRIVER_DIRECTFB
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344 extern VideoBootStrap DirectFB_bootstrap;
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345 #endif
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346 #if SDL_VIDEO_DRIVER_PS2GS
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347 extern VideoBootStrap PS2GS_bootstrap;
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348 #endif
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349 #if SDL_VIDEO_DRIVER_GGI
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350 extern VideoBootStrap GGI_bootstrap;
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351 #endif
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352 #if SDL_VIDEO_DRIVER_VGL
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353 extern VideoBootStrap VGL_bootstrap;
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354 #endif
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355 #if SDL_VIDEO_DRIVER_SVGALIB
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356 extern VideoBootStrap SVGALIB_bootstrap;
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357 #endif
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358 #if SDL_VIDEO_DRIVER_GAPI
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359 extern VideoBootStrap GAPI_bootstrap;
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360 #endif
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361 #if SDL_VIDEO_DRIVER_WIN32
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362 extern VideoBootStrap WIN32_bootstrap;
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363 #endif
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364 #if SDL_VIDEO_DRIVER_BWINDOW
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365 extern VideoBootStrap BWINDOW_bootstrap;
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366 #endif
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367 #if SDL_VIDEO_DRIVER_TOOLBOX
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368 extern VideoBootStrap TOOLBOX_bootstrap;
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369 #endif
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370 #if SDL_VIDEO_DRIVER_DRAWSPROCKET
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371 extern VideoBootStrap DSp_bootstrap;
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372 #endif
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373 #if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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374 extern VideoBootStrap CGX_bootstrap;
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375 #endif
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376 #if SDL_VIDEO_DRIVER_PHOTON
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377 extern VideoBootStrap ph_bootstrap;
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378 #endif
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379 #if SDL_VIDEO_DRIVER_EPOC
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380 extern VideoBootStrap EPOC_bootstrap;
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381 #endif
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382 #if SDL_VIDEO_DRIVER_XBIOS
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383 extern VideoBootStrap XBIOS_bootstrap;
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384 #endif
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385 #if SDL_VIDEO_DRIVER_GEM
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386 extern VideoBootStrap GEM_bootstrap;
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387 #endif
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388 #if SDL_VIDEO_DRIVER_PICOGUI
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389 extern VideoBootStrap PG_bootstrap;
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390 #endif
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391 #if SDL_VIDEO_DRIVER_DC
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392 extern VideoBootStrap DC_bootstrap;
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393 #endif
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394 #if SDL_VIDEO_DRIVER_RISCOS
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395 extern VideoBootStrap RISCOS_bootstrap;
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396 #endif
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397 #if SDL_VIDEO_DRIVER_OS2FS
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398 extern VideoBootStrap OS2FSLib_bootstrap;
173c063d4f55 OS/2 port!
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399 #endif
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400 #if SDL_VIDEO_DRIVER_AALIB
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401 extern VideoBootStrap AALIB_bootstrap;
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402 #endif
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403 #if SDL_VIDEO_DRIVER_DUMMY
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404 extern VideoBootStrap DUMMY_bootstrap;
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Sam Lantinga <slouken@libsdl.org>
parents: 1330
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405 #endif
1658
e49147870aac glSDL support
Sam Lantinga <slouken@libsdl.org>
parents: 1656
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406 #if SDL_VIDEO_DRIVER_GLSDL
e49147870aac glSDL support
Sam Lantinga <slouken@libsdl.org>
parents: 1656
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407 extern VideoBootStrap glSDL_bootstrap;
e49147870aac glSDL support
Sam Lantinga <slouken@libsdl.org>
parents: 1656
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408 #endif
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parents: 1330
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409
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Sam Lantinga <slouken@libsdl.org>
parents: 1658
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410 #define SDL_CurrentDisplay (_this->displays[_this->current_display])
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1658
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411 #define SDL_CurrentWindow (SDL_CurrentDisplay.windows[0])
0
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parents:
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412
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Sam Lantinga <slouken@libsdl.org>
parents: 1666
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413 extern SDL_VideoDevice *SDL_GetVideoDevice();
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Sam Lantinga <slouken@libsdl.org>
parents: 1676
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414 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
5e4c5e095925 Added new style dummy renderer
Sam Lantinga <slouken@libsdl.org>
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415 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
1670
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
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416 extern void SDL_AddDisplayMode(int displayIndex,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
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417 const SDL_DisplayMode * mode);
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
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418 extern void SDL_AddRenderDriver(int displayIndex,
eef792d31de8 Work in progress. :)
Sam Lantinga <slouken@libsdl.org>
parents: 1669
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419 const SDL_RenderDriver * driver);
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parents:
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420
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Sam Lantinga <slouken@libsdl.org>
parents: 1683
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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
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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
0
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parents:
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424 #endif /* _SDL_sysvideo_h */
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Sam Lantinga <slouken@libsdl.org>
parents: 1658
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425
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
426 /* vi: set ts=4 sw=4 expandtab: */