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annotate src/video/gem/SDL_gemvideo.h @ 1143:71a2648acc75

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Replaced Mac OS X's C++ cdrom code with almost-direct translation to C. Sam requested this effort on the mailing list, apparently because of binary compatibility issues between 10.4 and earlier systems (or gcc4 and earlier compilers?). Works fine with SDL12/test/testcdrom.c, with this command line: ./testcdrom -status -list -play -sleep 5000 -pause -sleep 3000 -resume \ -sleep 5000 -stop -sleep 3000 -play -sleep 3000 -stop \ -sleep 3000 -eject Unix Makefiles work, XCode project still need updating for new filenames.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 22 Sep 2005 08:48:16 +0000
parents 936da0056ed3
children c9b51268668f
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _SDL_gemvideo_h
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29 #define _SDL_gemvideo_h
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30
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31 #include "SDL_sysvideo.h"
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32 #include "SDL_mutex.h"
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33
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34 /* Hidden "this" pointer for the video functions */
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35 #define _THIS SDL_VideoDevice *this
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36
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37 /* Functions prototypes */
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38 void GEM_wind_redraw(_THIS, int winhandle, short *inside);
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39
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40 /* Private display data */
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41
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42 #define B2S_C2P_1TO2 (1<<0) /* C2P convert buffer 1 to buffer 2 */
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43 #define B2S_C2P_1TOS (1<<1) /* C2P convert buffer 1 to screen */
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44 #define B2S_VROCPYFM_1TOS (1<<2) /* vro_cpyfm() buffer 1 to screen */
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45 #define B2S_VROCPYFM_2TOS (1<<3) /* vro_cpyfm() buffer 2 to screen */
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46
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47 #define SDL_NUMMODES 1 /* Fullscreen */
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48
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49 struct SDL_PrivateVideoData {
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50 Uint16 buf2scr_ops; /* Operations to get buffer to screen */
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51 void *buffer1; /* Our shadow buffers */
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52 void *buffer2;
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53
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54 /* VDI infos */
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55 short vdi_handle; /* VDI handle */
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56 short full_w, full_h; /* Fullscreen size */
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57 short bpp; /* Colour depth */
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58 short pixelsize; /* Bytes per pixel */
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59 short old_numcolors; /* Number of colors in saved palette */
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60 Uint16 pitch; /* Line length */
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61 Uint16 format; /* Screen format */
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62 void *screen; /* Screen address */
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63 Uint32 red, green, blue, alpha; /* Screen components */
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64 Uint32 screensize;
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65 short blit_coords[8]; /* Coordinates for bitblt */
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66 MFDB src_mfdb, dst_mfdb; /* VDI MFDB for bitblt */
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67 Uint16 old_palette[256][3]; /* Saved current palette */
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68 Uint16 cur_palette[256][3]; /* SDL application palette */
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69 /* Function to set/restore palette */
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70 void (*setpalette)(_THIS, Uint16 newpal[256][3]);
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71
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72 /* GEM infos */
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73 short desk_x, desk_y; /* Desktop properties */
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74 short desk_w, desk_h;
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75 short win_handle; /* Our window handle */
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76 int window_type; /* Window type */
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77 const char *title_name; /* Window title */
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78 const char *icon_name; /* Icon title */
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79 short version; /* AES version */
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80 short wfeatures; /* AES window features */
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81 SDL_bool refresh_name; /* Change window title ? */
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82 SDL_bool window_fulled; /* Window maximized ? */
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83 SDL_bool mouse_relative; /* Report relative mouse movement */
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84 SDL_bool locked; /* AES locked for fullscreen ? */
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85 SDL_bool lock_redraw; /* Prevent redraw till buffers are setup */
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86 short message[8]; /* To self-send an AES message */
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87 void *menubar; /* Menu bar save buffer when going fullscreen */
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88
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89 SDL_bool fullscreen; /* Fullscreen or windowed mode ? */
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90 SDL_Rect *SDL_modelist[SDL_NUMMODES+1]; /* Mode list */
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91 SDL_Surface *icon; /* The icon */
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92 };
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93
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94 /* Hidden structure -> variables names */
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95 #define VDI_handle (this->hidden->vdi_handle)
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96 #define VDI_w (this->hidden->full_w)
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97 #define VDI_h (this->hidden->full_h)
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98 #define VDI_bpp (this->hidden->bpp)
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99 #define VDI_pixelsize (this->hidden->pixelsize)
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100 #define VDI_oldnumcolors (this->hidden->old_numcolors)
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101 #define VDI_oldpalette (this->hidden->old_palette)
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102 #define VDI_curpalette (this->hidden->cur_palette)
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103 #define VDI_setpalette (this->hidden->setpalette)
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104 #define VDI_pitch (this->hidden->pitch)
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105 #define VDI_format (this->hidden->format)
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106 #define VDI_screen (this->hidden->screen)
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107 #define VDI_redmask (this->hidden->red)
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108 #define VDI_greenmask (this->hidden->green)
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109 #define VDI_bluemask (this->hidden->blue)
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110 #define VDI_alphamask (this->hidden->alpha)
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111 #define VDI_screensize (this->hidden->screensize)
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112 #define VDI_src_mfdb (this->hidden->src_mfdb)
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113 #define VDI_dst_mfdb (this->hidden->dst_mfdb)
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114 #define VDI_blit_coords (this->hidden->blit_coords)
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115
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116 #define GEM_desk_x (this->hidden->desk_x)
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117 #define GEM_desk_y (this->hidden->desk_y)
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118 #define GEM_desk_w (this->hidden->desk_w)
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119 #define GEM_desk_h (this->hidden->desk_h)
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120 #define GEM_handle (this->hidden->win_handle)
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121 #define GEM_win_type (this->hidden->window_type)
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122 #define GEM_title_name (this->hidden->title_name)
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123 #define GEM_icon_name (this->hidden->icon_name)
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124 #define GEM_refresh_name (this->hidden->refresh_name)
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125 #define GEM_version (this->hidden->version)
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126 #define GEM_wfeatures (this->hidden->wfeatures)
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127 #define GEM_win_fulled (this->hidden->window_fulled)
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128 #define GEM_mouse_relative (this->hidden->mouse_relative)
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129 #define GEM_locked (this->hidden->locked)
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130 #define GEM_lock_redraw (this->hidden->lock_redraw)
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131 #define GEM_message (this->hidden->message)
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132 #define SDL_modelist (this->hidden->SDL_modelist)
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133 #define GEM_icon (this->hidden->icon)
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134 #define GEM_fullscreen (this->hidden->fullscreen)
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135 #define GEM_menubar (this->hidden->menubar)
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136
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137 #define GEM_buffer1 (this->hidden->buffer1)
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138 #define GEM_buffer2 (this->hidden->buffer2)
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139 #define GEM_bufops (this->hidden->buf2scr_ops)
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140
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141 #define VDI_FBMASK(amask, rmask, gmask, bmask) \
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142 VDI_alphamask = (amask); \
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143 VDI_redmask = (rmask); \
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144 VDI_greenmask = (gmask); \
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145 VDI_bluemask = (bmask);
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146
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147 /*
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148 Possible buffer to screen operations:
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149
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150 TC: 8 (chunky),15,16,24,32 bpp
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151 8I: 8 bpp planes
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152 FB: screen framebuffer address available
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153 FS: fullscreen
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154
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155 TC, FB, FS:
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156 - draw to screen
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157 8I, FB, FS:
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158 - draw to buffer 1
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159 - C2P from buffer 1 to screen
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160
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161 TC, !FB, FS:
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162 - draw to buffer 1
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163 - vro_cpyfm() from buffer 1 to screen
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164 8I, !FB, FS:
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165 - draw to buffer 1
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166 - C2P from buffer 1 to buffer 2
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167 - vro_cpyfm() from buffer 2 to screen
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168
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169 TC, FB, !FS:
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170 - draw to buffer 1
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171 - vro_cpyfm() from buffer 1 to screen
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172 8I, FB, !FS:
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173 - draw to buffer 1
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174 - C2P from buffer 1 to buffer 2
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175 - vro_cpyfm() from buffer 2 to screen
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176
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177 TC, !FB, !FS:
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178 - draw to buffer 1
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179 - vro_cpyfm() from buffer 1 to screen
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180 8I, !FB, !FS:
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181 - draw to buffer 1
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182 - C2P from buffer 1 to buffer 2
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183 - vro_cpyfm() from buffer 2 to screen
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184 */
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185
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186 #endif /* _SDL_gemvideo_h */