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annotate src/video/gem/SDL_gemvideo.h @ 886:05c551e5bc64

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Date: Sat, 24 Apr 2004 15:13:32 +0300 From: "Mike Gorchak" Subject: SDL updates for the QNX6 1. Updated the README.QNX 2. Updated libtool scripts, which are shipped with SDL for QNX6 support. 3. Added some code to support the new QNX 6.3.0, which is in beta now. 4. Added code to detect the hw features, which driver supports. 5. Added hw alpha blits code. 6. Fixed bug when application switches to fullscreen more the 2 times. (afte\ r that window becames always stay on top). 7. Updated a bit README for the tests. 8. Added information about acceleration show in the testalpha.c test. 9. Added small fixes to the testoverlay2.c test. 10. Added alpha and cc+alpha blits benchmarks to the testvidinfo.c test.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 06 May 2004 15:55:06 +0000
parents b8d311d90021
children 83db694556eb
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
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69 /* GEM infos */
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70 short desk_x, desk_y; /* Desktop properties */
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71 short desk_w, desk_h;
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72 short win_handle; /* Our window handle */
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73 int window_type; /* Window type */
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74 const char *title_name; /* Window title */
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75 const char *icon_name; /* Icon title */
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76 short version; /* AES version */
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77 short wfeatures; /* AES window features */
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78 SDL_bool refresh_name; /* Change window title ? */
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79 SDL_bool window_fulled; /* Window maximized ? */
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80 SDL_bool mouse_relative; /* Report relative mouse movement */
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81 SDL_bool locked; /* AES locked for fullscreen ? */
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82 short message[8]; /* To self-send an AES message */
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83 SDL_Rect *SDL_modelist[SDL_NUMMODES+1]; /* Mode list */
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84 SDL_Surface *icon; /* The icon */
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85 };
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86
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87 /* Hidden structure -> variables names */
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88 #define VDI_handle (this->hidden->vdi_handle)
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89 #define VDI_w (this->hidden->full_w)
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90 #define VDI_h (this->hidden->full_h)
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91 #define VDI_bpp (this->hidden->bpp)
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92 #define VDI_pixelsize (this->hidden->pixelsize)
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93 #define VDI_oldnumcolors (this->hidden->old_numcolors)
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94 #define VDI_oldpalette (this->hidden->old_palette)
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95 #define VDI_pitch (this->hidden->pitch)
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96 #define VDI_format (this->hidden->format)
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97 #define VDI_screen (this->hidden->screen)
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98 #define VDI_redmask (this->hidden->red)
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99 #define VDI_greenmask (this->hidden->green)
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100 #define VDI_bluemask (this->hidden->blue)
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101 #define VDI_alphamask (this->hidden->alpha)
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102 #define VDI_screensize (this->hidden->screensize)
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103 #define VDI_src_mfdb (this->hidden->src_mfdb)
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104 #define VDI_dst_mfdb (this->hidden->dst_mfdb)
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105 #define VDI_blit_coords (this->hidden->blit_coords)
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107 #define GEM_desk_x (this->hidden->desk_x)
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108 #define GEM_desk_y (this->hidden->desk_y)
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109 #define GEM_desk_w (this->hidden->desk_w)
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110 #define GEM_desk_h (this->hidden->desk_h)
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111 #define GEM_handle (this->hidden->win_handle)
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112 #define GEM_win_type (this->hidden->window_type)
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113 #define GEM_title_name (this->hidden->title_name)
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114 #define GEM_icon_name (this->hidden->icon_name)
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115 #define GEM_refresh_name (this->hidden->refresh_name)
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116 #define GEM_version (this->hidden->version)
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117 #define GEM_wfeatures (this->hidden->wfeatures)
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118 #define GEM_win_fulled (this->hidden->window_fulled)
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119 #define GEM_mouse_relative (this->hidden->mouse_relative)
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120 #define GEM_locked (this->hidden->locked)
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121 #define GEM_message (this->hidden->message)
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122 #define SDL_modelist (this->hidden->SDL_modelist)
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123 #define GEM_icon (this->hidden->icon)
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124
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125 #define GEM_buffer1 (this->hidden->buffer1)
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126 #define GEM_buffer2 (this->hidden->buffer2)
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127 #define GEM_bufops (this->hidden->buf2scr_ops)
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128
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129 #define VDI_FBMASK(amask, rmask, gmask, bmask) \
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130 VDI_alphamask = (amask); \
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131 VDI_redmask = (rmask); \
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132 VDI_greenmask = (gmask); \
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133 VDI_bluemask = (bmask);
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134
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135 /*
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136 Possible buffer to screen operations:
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Patrice Mandin <patmandin@gmail.com>
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137
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parents: 557
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138 TC: 8 (chunky),15,16,24,32 bpp
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139 8I: 8 bpp planes
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140 FB: screen framebuffer address available
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141 FS: fullscreen
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142
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143 TC, FB, FS:
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144 - draw to screen
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Patrice Mandin <patmandin@gmail.com>
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145 8I, FB, FS:
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Patrice Mandin <patmandin@gmail.com>
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146 - draw to buffer 1
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147 - C2P from buffer 1 to screen
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148
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149 TC, !FB, FS:
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150 - draw to buffer 1
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Patrice Mandin <patmandin@gmail.com>
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151 - vro_cpyfm() from buffer 1 to screen
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Patrice Mandin <patmandin@gmail.com>
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152 8I, !FB, FS:
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Patrice Mandin <patmandin@gmail.com>
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153 - draw to buffer 1
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154 - C2P from buffer 1 to buffer 2
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parents: 557
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155 - vro_cpyfm() from buffer 2 to screen
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156
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157 TC, FB, !FS:
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158 - draw to buffer 1
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159 - vro_cpyfm() from buffer 1 to screen
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160 8I, FB, !FS:
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161 - draw to buffer 1
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162 - C2P from buffer 1 to buffer 2
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163 - vro_cpyfm() from buffer 2 to screen
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164
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165 TC, !FB, !FS:
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166 - draw to buffer 1
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167 - vro_cpyfm() from buffer 1 to screen
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Patrice Mandin <patmandin@gmail.com>
parents: 557
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168 8I, !FB, !FS:
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169 - draw to buffer 1
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170 - C2P from buffer 1 to buffer 2
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171 - vro_cpyfm() from buffer 2 to screen
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172 */
281
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
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173
c5010ab8ba35 Added initial support for Atari (thanks Patrice!)
Sam Lantinga <slouken@libsdl.org>
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174 #endif /* _SDL_gemvideo_h */