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annotate src/video/SDL_sysvideo.h @ 1680:9488fca10677 SDL-1.3

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Dummy video driver works again in high color video modes. Yay!
author Sam Lantinga <slouken@libsdl.org>
date Wed, 14 Jun 2006 08:41:13 +0000
parents 90bf530ced8e
children 80a5e6a4e1e2
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 /* This file prototypes the video driver implementation.
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33 This is designed to be easily converted to C++ in the future.
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34 */
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35
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36 #if SDL_VIDEO_OPENGL
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37 #include "SDL_opengl.h"
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38 #endif /* SDL_VIDEO_OPENGL */
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39
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40 /* The SDL video driver */
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41
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42 typedef struct SDL_Window SDL_Window;
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43 typedef struct SDL_Texture SDL_Texture;
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44 typedef struct SDL_Renderer SDL_Renderer;
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45 typedef struct SDL_RenderDriver SDL_RenderDriver;
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46 typedef struct SDL_VideoDisplay SDL_VideoDisplay;
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47 typedef struct SDL_VideoDevice SDL_VideoDevice;
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48
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49 /* Define the SDL texture structure */
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50 struct SDL_Texture
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51 {
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52 Uint32 id;
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53
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54 Uint32 format; /**< The pixel format of the texture */
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55 int access; /**< SDL_TextureAccess */
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56 int w; /**< The width of the texture */
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57 int h; /**< The height of the texture */
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58
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59 SDL_Renderer *renderer;
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60
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61 void *driverdata; /**< Driver specific texture representation */
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62
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63 SDL_Texture *next;
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64 };
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65
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66 /* Define the SDL renderer structure */
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67 struct SDL_Renderer
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68 {
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69 int (*CreateTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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70 int (*QueryTexturePixels) (SDL_Renderer * renderer, SDL_Texture * texture,
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71 void **pixels, int *pitch);
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72 int (*SetTexturePalette) (SDL_Renderer * renderer, SDL_Texture * texture,
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73 SDL_Color * colors, int firstcolor,
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74 int ncolors);
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75 int (*UpdateTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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76 SDL_Rect * rect, const void *pixels, int pitch);
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77 int (*LockTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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78 SDL_Rect * rect, int markDirty, void **pixels,
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79 int *pitch);
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80 void (*UnlockTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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81 void (*DirtyTexture) (SDL_Renderer * renderer, SDL_Texture * texture,
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82 int numrects, SDL_Rect * rects);
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83 void (*SelectRenderTexture) (SDL_Renderer * renderer,
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84 SDL_Texture * texture);
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85 void (*RenderFill) (SDL_Renderer * renderer, SDL_Rect * rect,
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86 Uint32 color);
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87 int (*RenderCopy) (SDL_Renderer * renderer, SDL_Texture * texture,
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88 SDL_Rect * srcrect, SDL_Rect * dstrect, int blendMode,
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89 int scaleMode);
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90 int (*RenderReadPixels) (SDL_Renderer * renderer, SDL_Rect * rect,
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91 void *pixels, int pitch);
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92 int (*RenderWritePixels) (SDL_Renderer * renderer, SDL_Rect * rect,
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93 const void *pixels, int pitch);
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94 void (*RenderPresent) (SDL_Renderer * renderer);
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95 void (*DestroyTexture) (SDL_Renderer * renderer, SDL_Texture * texture);
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96
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97 void (*DestroyRenderer) (SDL_Renderer * renderer);
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98
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99 /* The current renderer info */
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100 SDL_RendererInfo info;
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101
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102 /* The window associated with the renderer */
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103 SDL_Window *window;
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104
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105 void *driverdata;
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106 };
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107
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108 /* Define the SDL render driver structure */
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109 struct SDL_RenderDriver
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110 {
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111 SDL_Renderer *(*CreateRenderer) (SDL_Window * window, Uint32 flags);
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112
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113 /* Info about the renderer capabilities */
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114 SDL_RendererInfo info;
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115 };
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116
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117 /* Define the SDL window structure, corresponding to toplevel windows */
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118 struct SDL_Window
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119 {
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120 Uint32 id;
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121
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122 char *title;
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123 int x, y;
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124 int w, h;
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125 Uint32 flags;
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126
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127 Uint16 *gamma;
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128
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129 SDL_VideoDisplay *display;
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130 SDL_Renderer *renderer;
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131
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132 void *userdata;
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133 void *driverdata;
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134 };
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135
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136 /* Define the SDL display structure
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137 This corresponds to physical monitors attached to the system.
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138 */
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139 struct SDL_VideoDisplay
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140 {
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141 int num_display_modes;
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142 SDL_DisplayMode *display_modes;
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143 SDL_DisplayMode desktop_mode;
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144 SDL_DisplayMode current_mode;
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145
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146 int num_render_drivers;
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147 SDL_RenderDriver *render_drivers;
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148
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149 int num_windows;
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150 SDL_Window *windows;
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151
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152 SDL_Renderer *current_renderer;
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153
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154 /* The hash list of textures */
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155 SDL_Texture *textures[64];
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156
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157 void *driverdata;
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158 };
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159
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160 /* Define the SDL video driver structure */
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161 #define _THIS SDL_VideoDevice *_this
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162
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163 struct SDL_VideoDevice
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164 {
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165 /* * * */
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166 /* The name of this video driver */
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167 const char *name;
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168
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169 /* * * */
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170 /* Initialization/Query functions */
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171
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172 /* Initialize the native video subsystem, filling in the list
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173 of displays for this driver, returning 0 or -1 if there's an error.
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174 */
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175 int (*VideoInit) (_THIS);
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176
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177 /* * * */
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178 /* Display functions
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179 */
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180 /* Setting the display mode is independent of creating windows,
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181 * so when the display mode is changed, all existing windows
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182 * should have their data updated accordingly, including the
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183 * display surfaces associated with them.
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184 */
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185 int (*SetDisplayMode) (_THIS, const SDL_DisplayMode * mode);
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186
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187 /* Sets the color entries { firstcolor .. (firstcolor+ncolors-1) }
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188 of the physical palette to those in 'colors'. The return value
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189 is 0 if all entries could be set properly or -1 otherwise.
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190 */
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191 int (*SetDisplayColors) (_THIS, int firstcolor, int ncolors,
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192 SDL_Color * colors);
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193
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194 /* * * */
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195 /* Window functions
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196 */
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197 int (*CreateWindow) (_THIS, SDL_Window * window);
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198 int (*CreateWindowFrom) (_THIS, SDL_Window * window, void *data);
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199 void (*SetWindowTitle) (_THIS, SDL_Window * window);
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200 void (*SetWindowPosition) (_THIS, SDL_Window * window);
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201 void (*SetWindowSize) (_THIS, SDL_Window * window);
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202 void (*ShowWindow) (_THIS, SDL_Window * window);
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203 void (*HideWindow) (_THIS, SDL_Window * window);
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204 void (*RaiseWindow) (_THIS, SDL_Window * window);
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205 void (*MaximizeWindow) (_THIS, SDL_Window * window);
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206 void (*MinimizeWindow) (_THIS, SDL_Window * window);
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207 void (*RestoreWindow) (_THIS, SDL_Window * window);
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208 void (*SetWindowGrab) (_THIS, SDL_Window * window);
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209 void (*DestroyWindow) (_THIS, SDL_Window * window);
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210
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211 /* Get some platform dependent window information */
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212 SDL_bool(*GetWindowWMInfo) (_THIS, SDL_Window * window,
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213 SDL_SysWMinfo * info);
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214
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215 /* Reverse the effects VideoInit() -- called if VideoInit() fails
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216 or 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 /* Gamma support */
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222
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223 /* Set the gamma correction directly (emulated with gamma ramps) */
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224 int (*SetGamma) (_THIS, float red, float green, float blue);
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225
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226 /* Get the gamma correction directly (emulated with gamma ramps) */
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227 int (*GetGamma) (_THIS, float *red, float *green, float *blue);
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228
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229 /* Set the gamma ramp */
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230 int (*SetGammaRamp) (_THIS, Uint16 * ramp);
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231
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232 /* Get the gamma ramp */
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233 int (*GetGammaRamp) (_THIS, Uint16 * ramp);
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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 /* OpenGL functions for glSDL */
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254 #if SDL_VIDEO_OPENGL
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255 #if !defined(__WIN32__)
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256 #define WINAPI
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257 #endif
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258 #define SDL_PROC(ret,func,params) ret (WINAPI *func) params;
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259 #include "SDL_glfuncs.h"
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260 #undef SDL_PROC
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261
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262 /* Texture id */
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263 GLuint texture;
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264
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265 int is_32bit;
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266 #endif
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267
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268 /* Determine whether the mouse should be in relative mode or not.
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269 This function is called when the input grab state or cursor
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270 visibility state changes.
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271 If the cursor is not visible, and the input is grabbed, the
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272 driver can place the mouse in relative mode, which may result
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273 in higher accuracy sampling of the pointer motion.
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274 */
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275 void (*CheckMouseMode) (_THIS);
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276
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277 /* * * */
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278 /* Event manager functions */
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279
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280 /* Handle any queued OS events */
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281 void (*PumpEvents) (_THIS);
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282
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283 /* * * */
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284 /* Data common to all drivers */
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285 int num_displays;
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286 SDL_VideoDisplay *displays;
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287 int current_display;
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288 Uint32 next_object_id;
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289
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290 /* Driver information flags */
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291
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292 /* * * */
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293 /* Data used by the GL drivers */
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294 struct
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295 {
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296 int red_size;
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297 int green_size;
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298 int blue_size;
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299 int alpha_size;
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300 int depth_size;
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301 int buffer_size;
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302 int stencil_size;
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303 int double_buffer;
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304 int accum_red_size;
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305 int accum_green_size;
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306 int accum_blue_size;
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307 int accum_alpha_size;
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308 int stereo;
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309 int multisamplebuffers;
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310 int multisamplesamples;
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311 int accelerated;
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312 int swap_control;
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313 int driver_loaded;
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314 char driver_path[256];
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315 void *dll_handle;
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316 } gl_config;
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317
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318 /* * * */
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319 /* Data private to this driver */
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320 struct SDL_PrivateVideoData *hidden;
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321 struct SDL_PrivateGLData *gl_data;
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322
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323 /* * * */
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324 /* The function used to dispose of this structure */
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325 void (*free) (_THIS);
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326 };
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327 #undef _THIS
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328
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329 typedef struct VideoBootStrap
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330 {
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331 const char *name;
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332 const char *desc;
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333 int (*available) (void);
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334 SDL_VideoDevice *(*create) (int devindex);
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335 } VideoBootStrap;
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336
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337 #if SDL_VIDEO_DRIVER_QUARTZ
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338 extern VideoBootStrap QZ_bootstrap;
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339 #endif
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340 #if SDL_VIDEO_DRIVER_X11
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341 extern VideoBootStrap X11_bootstrap;
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342 #endif
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343 #if SDL_VIDEO_DRIVER_DGA
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344 extern VideoBootStrap DGA_bootstrap;
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345 #endif
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346 #if SDL_VIDEO_DRIVER_NANOX
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347 extern VideoBootStrap NX_bootstrap;
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348 #endif
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349 #if SDL_VIDEO_DRIVER_IPOD
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350 extern VideoBootStrap iPod_bootstrap;
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351 #endif
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352 #if SDL_VIDEO_DRIVER_QTOPIA
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353 extern VideoBootStrap Qtopia_bootstrap;
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354 #endif
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355 #if SDL_VIDEO_DRIVER_WSCONS
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356 extern VideoBootStrap WSCONS_bootstrap;
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357 #endif
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358 #if SDL_VIDEO_DRIVER_FBCON
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359 extern VideoBootStrap FBCON_bootstrap;
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360 #endif
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361 #if SDL_VIDEO_DRIVER_DIRECTFB
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362 extern VideoBootStrap DirectFB_bootstrap;
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363 #endif
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364 #if SDL_VIDEO_DRIVER_PS2GS
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365 extern VideoBootStrap PS2GS_bootstrap;
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366 #endif
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367 #if SDL_VIDEO_DRIVER_GGI
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368 extern VideoBootStrap GGI_bootstrap;
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369 #endif
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370 #if SDL_VIDEO_DRIVER_VGL
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371 extern VideoBootStrap VGL_bootstrap;
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372 #endif
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373 #if SDL_VIDEO_DRIVER_SVGALIB
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374 extern VideoBootStrap SVGALIB_bootstrap;
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375 #endif
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376 #if SDL_VIDEO_DRIVER_GAPI
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377 extern VideoBootStrap GAPI_bootstrap;
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378 #endif
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379 #if SDL_VIDEO_DRIVER_WINDIB
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380 extern VideoBootStrap WINDIB_bootstrap;
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381 #endif
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382 #if SDL_VIDEO_DRIVER_DDRAW
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383 extern VideoBootStrap DIRECTX_bootstrap;
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384 #endif
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385 #if SDL_VIDEO_DRIVER_BWINDOW
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386 extern VideoBootStrap BWINDOW_bootstrap;
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387 #endif
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388 #if SDL_VIDEO_DRIVER_TOOLBOX
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389 extern VideoBootStrap TOOLBOX_bootstrap;
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390 #endif
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391 #if SDL_VIDEO_DRIVER_DRAWSPROCKET
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392 extern VideoBootStrap DSp_bootstrap;
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393 #endif
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394 #if SDL_VIDEO_DRIVER_CYBERGRAPHICS
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395 extern VideoBootStrap CGX_bootstrap;
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396 #endif
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397 #if SDL_VIDEO_DRIVER_PHOTON
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398 extern VideoBootStrap ph_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_XBIOS
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404 extern VideoBootStrap XBIOS_bootstrap;
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405 #endif
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406 #if SDL_VIDEO_DRIVER_GEM
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407 extern VideoBootStrap GEM_bootstrap;
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408 #endif
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409 #if SDL_VIDEO_DRIVER_PICOGUI
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410 extern VideoBootStrap PG_bootstrap;
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411 #endif
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412 #if SDL_VIDEO_DRIVER_DC
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413 extern VideoBootStrap DC_bootstrap;
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414 #endif
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415 #if SDL_VIDEO_DRIVER_RISCOS
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416 extern VideoBootStrap RISCOS_bootstrap;
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417 #endif
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418 #if SDL_VIDEO_DRIVER_OS2FS
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419 extern VideoBootStrap OS2FSLib_bootstrap;
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420 #endif
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421 #if SDL_VIDEO_DRIVER_AALIB
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422 extern VideoBootStrap AALIB_bootstrap;
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423 #endif
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424 #if SDL_VIDEO_DRIVER_DUMMY
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425 extern VideoBootStrap DUMMY_bootstrap;
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426 #endif
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427 #if SDL_VIDEO_DRIVER_GLSDL
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428 extern VideoBootStrap glSDL_bootstrap;
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429 #endif
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430
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431 #define SDL_CurrentDisplay (_this->displays[_this->current_display])
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432 #define SDL_CurrentWindow (SDL_CurrentDisplay.windows[0])
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433
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434 extern SDL_VideoDevice *SDL_GetVideoDevice();
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435 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);
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436 extern int SDL_AddVideoDisplay(const SDL_VideoDisplay * display);
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437 extern void SDL_AddDisplayMode(int displayIndex,
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438 const SDL_DisplayMode * mode);
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439 extern void SDL_AddRenderDriver(int displayIndex,
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440 const SDL_RenderDriver * driver);
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441
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442 #endif /* _SDL_sysvideo_h */
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443
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444 /* vi: set ts=4 sw=4 expandtab: */