annotate src/video/svga/SDL_svgavideo.c @ 4050:ef815c44c662 SDL-1.2

Warn Visual C++ users if they have a stale configure generated SDL_config.h
author Sam Lantinga <slouken@libsdl.org>
date Thu, 12 Jul 2007 02:51:58 +0000
parents 011b633fa0c9
children 782fd950bd46 c121d94672cb a1b03ba2fcd0
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 /* SVGAlib based SDL video driver implementation.
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25 */
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26
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27 #include <unistd.h>
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28 #include <sys/stat.h>
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29 #include <sys/types.h>
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30 #include <sys/ioctl.h>
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31 #include <fcntl.h>
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32
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33 #if defined(__LINUX__)
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34 #include <linux/vt.h>
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35 #elif defined(__FREEBSD__)
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36 #include <sys/consio.h>
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37 #else
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38 #error You must choose your operating system here
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39 #endif
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40 #include <vga.h>
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41 #include <vgamouse.h>
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42 #include <vgakeyboard.h>
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43
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44 #include "SDL_video.h"
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45 #include "SDL_mouse.h"
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46 #include "../SDL_sysvideo.h"
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47 #include "../SDL_pixels_c.h"
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48 #include "../../events/SDL_events_c.h"
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49 #include "SDL_svgavideo.h"
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50 #include "SDL_svgaevents_c.h"
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51 #include "SDL_svgamouse_c.h"
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52
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53 /* Initialization/Query functions */
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54 static int SVGA_VideoInit(_THIS, SDL_PixelFormat *vformat);
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55 static SDL_Rect **SVGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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56 static SDL_Surface *SVGA_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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57 static int SVGA_SetColors(_THIS, int firstcolor, int ncolors,
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58 SDL_Color *colors);
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59 static void SVGA_VideoQuit(_THIS);
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60
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61 /* Hardware surface functions */
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62 static int SVGA_AllocHWSurface(_THIS, SDL_Surface *surface);
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63 static int SVGA_LockHWSurface(_THIS, SDL_Surface *surface);
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64 static int SVGA_FlipHWSurface(_THIS, SDL_Surface *surface);
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65 static void SVGA_UnlockHWSurface(_THIS, SDL_Surface *surface);
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66 static void SVGA_FreeHWSurface(_THIS, SDL_Surface *surface);
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67
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68 /* SVGAlib driver bootstrap functions */
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69
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70 static int SVGA_Available(void)
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71 {
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72 /* Check to see if we are root and stdin is a virtual console */
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73 int console;
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74
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75 /* SVGALib 1.9.x+ doesn't require root (via /dev/svga) */
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76 int svgalib2 = -1;
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77
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78 /* See if we are connected to a virtual terminal */
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79 console = STDIN_FILENO;
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80 #if 0 /* This is no longer needed, SVGAlib can switch consoles for us */
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81 if ( console >= 0 ) {
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82 struct stat sb;
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83 struct vt_mode dummy;
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84
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85 if ( (fstat(console, &sb) < 0) ||
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86 (ioctl(console, VT_GETMODE, &dummy) < 0) ) {
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87 console = -1;
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88 }
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89 }
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90 #endif /* 0 */
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91
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92 /* See if SVGAlib 2.0 is available */
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93 svgalib2 = open("/dev/svga", O_RDONLY);
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94 if (svgalib2 != -1) {
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95 close(svgalib2);
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96 }
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97
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98 return(((svgalib2 != -1) || (geteuid() == 0)) && (console >= 0));
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99 }
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100
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101 static void SVGA_DeleteDevice(SDL_VideoDevice *device)
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102 {
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103 SDL_free(device->hidden);
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104 SDL_free(device);
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105 }
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106
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107 static SDL_VideoDevice *SVGA_CreateDevice(int devindex)
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108 {
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109 SDL_VideoDevice *device;
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110
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111 /* Initialize all variables that we clean on shutdown */
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112 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice));
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113 if ( device ) {
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114 SDL_memset(device, 0, (sizeof *device));
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115 device->hidden = (struct SDL_PrivateVideoData *)
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116 SDL_malloc((sizeof *device->hidden));
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117 }
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118 if ( (device == NULL) || (device->hidden == NULL) ) {
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119 SDL_OutOfMemory();
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120 if ( device ) {
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121 SDL_free(device);
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122 }
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123 return(0);
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124 }
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125 SDL_memset(device->hidden, 0, (sizeof *device->hidden));
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126
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127 /* Set the function pointers */
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128 device->VideoInit = SVGA_VideoInit;
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129 device->ListModes = SVGA_ListModes;
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130 device->SetVideoMode = SVGA_SetVideoMode;
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131 device->SetColors = SVGA_SetColors;
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132 device->UpdateRects = NULL;
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133 device->VideoQuit = SVGA_VideoQuit;
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134 device->AllocHWSurface = SVGA_AllocHWSurface;
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135 device->CheckHWBlit = NULL;
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136 device->FillHWRect = NULL;
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137 device->SetHWColorKey = NULL;
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138 device->SetHWAlpha = NULL;
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139 device->LockHWSurface = SVGA_LockHWSurface;
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140 device->UnlockHWSurface = SVGA_UnlockHWSurface;
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141 device->FlipHWSurface = SVGA_FlipHWSurface;
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142 device->FreeHWSurface = SVGA_FreeHWSurface;
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143 device->SetCaption = NULL;
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144 device->SetIcon = NULL;
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145 device->IconifyWindow = NULL;
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146 device->GrabInput = NULL;
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147 device->GetWMInfo = NULL;
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148 device->InitOSKeymap = SVGA_InitOSKeymap;
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149 device->PumpEvents = SVGA_PumpEvents;
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150
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151 device->free = SVGA_DeleteDevice;
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152
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153 return device;
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154 }
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155
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156 VideoBootStrap SVGALIB_bootstrap = {
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157 "svgalib", "SVGAlib",
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158 SVGA_Available, SVGA_CreateDevice
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159 };
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160
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161 static int SVGA_AddMode(_THIS, int mode, int actually_add)
0
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162 {
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163 int i, j;
0
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164 vga_modeinfo *modeinfo;
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165
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166 modeinfo = vga_getmodeinfo(mode);
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167
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168 i = modeinfo->bytesperpixel-1;
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169 if ( i < 0 ) {
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170 return 0;
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171 }
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172 if ( actually_add ) {
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173 SDL_Rect saved_rect[2];
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174 int saved_mode[2];
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175 int b;
0
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176
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177 /* Add the mode, sorted largest to smallest */
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178 b = 0;
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179 j = 0;
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180 while ( (SDL_modelist[i][j]->w > modeinfo->width) ||
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181 (SDL_modelist[i][j]->h > modeinfo->height) ) {
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182 ++j;
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183 }
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184 /* Skip modes that are already in our list */
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185 if ( (SDL_modelist[i][j]->w == modeinfo->width) &&
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186 (SDL_modelist[i][j]->h == modeinfo->height) ) {
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187 return(0);
0
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188 }
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189 /* Insert the new mode */
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190 saved_rect[b] = *SDL_modelist[i][j];
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191 saved_mode[b] = SDL_vgamode[i][j];
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192 SDL_modelist[i][j]->w = modeinfo->width;
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193 SDL_modelist[i][j]->h = modeinfo->height;
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194 SDL_vgamode[i][j] = mode;
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195 /* Everybody scoot down! */
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196 if ( saved_rect[b].w && saved_rect[b].h ) {
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197 for ( ++j; SDL_modelist[i][j]->w; ++j ) {
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198 saved_rect[!b] = *SDL_modelist[i][j];
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199 saved_mode[!b] = SDL_vgamode[i][j];
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200 *SDL_modelist[i][j] = saved_rect[b];
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201 SDL_vgamode[i][j] = saved_mode[b];
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202 b = !b;
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203 }
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204 *SDL_modelist[i][j] = saved_rect[b];
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205 SDL_vgamode[i][j] = saved_mode[b];
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206 }
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207 } else {
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208 ++SDL_nummodes[i];
0
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209 }
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210 return(1);
0
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211 }
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212
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213 static void SVGA_UpdateVideoInfo(_THIS)
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214 {
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215 vga_modeinfo *modeinfo;
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216
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217 this->info.wm_available = 0;
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218 this->info.hw_available = (banked ? 0 : 1);
0
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219 modeinfo = vga_getmodeinfo(vga_getcurrentmode());
205
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
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parents: 67
diff changeset
220 this->info.video_mem = modeinfo->memory;
0
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221 /* FIXME: Add hardware accelerated blit information */
226
bb72c418a1f9 Disabled virtual terminal check for SVGAlib video
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parents: 205
diff changeset
222 #ifdef SVGALIB_DEBUG
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parents: 205
diff changeset
223 printf("Hardware accelerated blit: %savailable\n", modeinfo->haveblit ? "" : "not ");
0
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224 #endif
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225 }
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226
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227 int SVGA_VideoInit(_THIS, SDL_PixelFormat *vformat)
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228 {
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229 int keyboard;
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230 int i, j;
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diff changeset
231 int mode, total_modes;
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diff changeset
232
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233 /* Initialize all variables that we clean on shutdown */
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diff changeset
234 for ( i=0; i<NUM_MODELISTS; ++i ) {
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235 SDL_nummodes[i] = 0;
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236 SDL_modelist[i] = NULL;
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237 SDL_vgamode[i] = NULL;
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238 }
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diff changeset
239
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240 /* Initialize the library */
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diff changeset
241 vga_disabledriverreport();
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diff changeset
242 if ( vga_init() < 0 ) {
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diff changeset
243 SDL_SetError("Unable to initialize SVGAlib");
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244 return(-1);
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diff changeset
245 }
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246 vga_setmode(TEXT);
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diff changeset
247
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diff changeset
248 /* Enable mouse and keyboard support */
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diff changeset
249 vga_setmousesupport(1);
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diff changeset
250 keyboard = keyboard_init_return_fd();
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diff changeset
251 if ( keyboard < 0 ) {
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diff changeset
252 SDL_SetError("Unable to initialize keyboard");
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diff changeset
253 return(-1);
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diff changeset
254 }
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diff changeset
255 if ( SVGA_initkeymaps(keyboard) < 0 ) {
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diff changeset
256 return(-1);
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parents:
diff changeset
257 }
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diff changeset
258 keyboard_seteventhandler(SVGA_keyboardcallback);
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diff changeset
259
1545
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
260 /* Determine the current screen size */
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
261 this->info.current_w = 0;
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
262 this->info.current_h = 0;
8d9bb0cf2c2a Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
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parents: 1402
diff changeset
263
0
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diff changeset
264 /* Determine the screen depth (use default 8-bit depth) */
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diff changeset
265 vformat->BitsPerPixel = 8;
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diff changeset
266
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diff changeset
267 /* Enumerate the available fullscreen modes */
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diff changeset
268 total_modes = 0;
74212992fb08 Initial revision
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parents:
diff changeset
269 for ( mode=vga_lastmodenumber(); mode; --mode ) {
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parents:
diff changeset
270 if ( vga_hasmode(mode) ) {
1556
011b633fa0c9 Fixed bug #84
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parents: 1554
diff changeset
271 if ( SVGA_AddMode(this, mode, 0) ) {
0
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parents:
diff changeset
272 ++total_modes;
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parents:
diff changeset
273 }
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diff changeset
274 }
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diff changeset
275 }
1556
011b633fa0c9 Fixed bug #84
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parents: 1554
diff changeset
276 if ( SVGA_AddMode(this, G320x200x256, 0) ) ++total_modes;
0
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parents:
diff changeset
277 if ( total_modes == 0 ) {
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parents:
diff changeset
278 SDL_SetError("No linear video modes available");
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diff changeset
279 return(-1);
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parents:
diff changeset
280 }
74212992fb08 Initial revision
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diff changeset
281 for ( i=0; i<NUM_MODELISTS; ++i ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
282 SDL_vgamode[i] = (int *)SDL_malloc(SDL_nummodes[i]*sizeof(int));
0
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parents:
diff changeset
283 if ( SDL_vgamode[i] == NULL ) {
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parents:
diff changeset
284 SDL_OutOfMemory();
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parents:
diff changeset
285 return(-1);
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parents:
diff changeset
286 }
74212992fb08 Initial revision
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parents:
diff changeset
287 SDL_modelist[i] = (SDL_Rect **)
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
288 SDL_malloc((SDL_nummodes[i]+1)*sizeof(SDL_Rect *));
0
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parents:
diff changeset
289 if ( SDL_modelist[i] == NULL ) {
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parents:
diff changeset
290 SDL_OutOfMemory();
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parents:
diff changeset
291 return(-1);
74212992fb08 Initial revision
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parents:
diff changeset
292 }
74212992fb08 Initial revision
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diff changeset
293 for ( j=0; j<SDL_nummodes[i]; ++j ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
294 SDL_modelist[i][j]=(SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
0
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parents:
diff changeset
295 if ( SDL_modelist[i][j] == NULL ) {
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parents:
diff changeset
296 SDL_OutOfMemory();
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parents:
diff changeset
297 return(-1);
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parents:
diff changeset
298 }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
299 SDL_memset(SDL_modelist[i][j], 0, sizeof(SDL_Rect));
0
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parents:
diff changeset
300 }
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parents:
diff changeset
301 SDL_modelist[i][j] = NULL;
74212992fb08 Initial revision
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parents:
diff changeset
302 }
74212992fb08 Initial revision
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parents:
diff changeset
303 for ( mode=vga_lastmodenumber(); mode; --mode ) {
74212992fb08 Initial revision
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parents:
diff changeset
304 if ( vga_hasmode(mode) ) {
1556
011b633fa0c9 Fixed bug #84
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parents: 1554
diff changeset
305 SVGA_AddMode(this, mode, 1);
0
74212992fb08 Initial revision
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parents:
diff changeset
306 }
74212992fb08 Initial revision
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parents:
diff changeset
307 }
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
308 SVGA_AddMode(this, G320x200x256, 1);
0
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parents:
diff changeset
309
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parents:
diff changeset
310 /* Free extra (duplicated) modes */
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parents:
diff changeset
311 for ( i=0; i<NUM_MODELISTS; ++i ) {
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parents:
diff changeset
312 j = 0;
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parents:
diff changeset
313 while ( SDL_modelist[i][j] && SDL_modelist[i][j]->w ) {
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parents:
diff changeset
314 j++;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
315 }
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parents:
diff changeset
316 while ( SDL_modelist[i][j] ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
317 SDL_free(SDL_modelist[i][j]);
0
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parents:
diff changeset
318 SDL_modelist[i][j] = NULL;
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parents:
diff changeset
319 j++;
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parents:
diff changeset
320 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322
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parents:
diff changeset
323 /* Fill in our hardware acceleration capabilities */
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parents:
diff changeset
324 SVGA_UpdateVideoInfo(this);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
325
74212992fb08 Initial revision
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parents:
diff changeset
326 /* We're done! */
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parents:
diff changeset
327 return(0);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329
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parents:
diff changeset
330 SDL_Rect **SVGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
74212992fb08 Initial revision
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parents:
diff changeset
331 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
332 return(SDL_modelist[((format->BitsPerPixel+7)/8)-1]);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
333 }
74212992fb08 Initial revision
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parents:
diff changeset
334
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parents:
diff changeset
335 /* Various screen update functions available */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336 static void SVGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 static void SVGA_BankedUpdate(_THIS, int numrects, SDL_Rect *rects);
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parents:
diff changeset
338
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parents:
diff changeset
339 SDL_Surface *SVGA_SetVideoMode(_THIS, SDL_Surface *current,
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 int width, int height, int bpp, Uint32 flags)
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parents:
diff changeset
341 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
342 int mode;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
343 int vgamode;
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parents:
diff changeset
344 vga_modeinfo *modeinfo;
205
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
345 int screenpage_len;
0
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parents:
diff changeset
346
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
347 /* Free old pixels if we were in banked mode */
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
348 if ( banked && current->pixels ) {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
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diff changeset
349 free(current->pixels);
011b633fa0c9 Fixed bug #84
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diff changeset
350 current->pixels = NULL;
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
351 }
0ca607a5d173 Fixed bug #84
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parents: 1545
diff changeset
352
0
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parents:
diff changeset
353 /* Try to set the requested linear video mode */
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parents:
diff changeset
354 bpp = (bpp+7)/8-1;
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parents:
diff changeset
355 for ( mode=0; SDL_modelist[bpp][mode]; ++mode ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356 if ( (SDL_modelist[bpp][mode]->w == width) &&
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 (SDL_modelist[bpp][mode]->h == height) ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 if ( SDL_modelist[bpp][mode] == NULL ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 SDL_SetError("Couldn't find requested mode in list");
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364 }
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
365 vgamode = SDL_vgamode[bpp][mode];
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
366 vga_setmode(vgamode);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 vga_setpage(0);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
369 if ( (vga_setlinearaddressing() < 0) && (vgamode != G320x200x256) ) {
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
370 banked = 1;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
371 } else {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
372 banked = 0;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 }
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
374
0
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parents:
diff changeset
375 modeinfo = vga_getmodeinfo(SDL_vgamode[bpp][mode]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 /* Update hardware acceleration info */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378 SVGA_UpdateVideoInfo(this);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380 /* Allocate the new pixel format for the screen */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381 bpp = (bpp+1)*8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 if ( (bpp == 16) && (modeinfo->colors == 32768) ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383 bpp = 15;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 return(NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 /* Set up the new mode framebuffer */
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
390 current->flags = SDL_FULLSCREEN;
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
391 if ( !banked ) {
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
392 current->flags |= SDL_HWSURFACE;
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
393 }
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
394 if ( bpp == 8 ) {
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
395 /* FIXME: What about DirectColor? */
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
396 current->flags |= SDL_HWPALETTE;
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
397 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 current->w = width;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 current->h = height;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 current->pitch = modeinfo->linewidth;
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
401 if ( banked ) {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
402 current->pixels = SDL_malloc(current->h * current->pitch);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
403 if ( !current->pixels ) {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
404 SDL_OutOfMemory();
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
405 return(NULL);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
406 }
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
407 } else {
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
408 current->pixels = vga_getgraphmem();
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
409 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410
205
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
411 /* set double-buffering */
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
412 if ( (flags & SDL_DOUBLEBUF) && !banked )
205
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
413 {
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
414 /* length of one screen page in bytes */
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
415 screenpage_len=current->h*modeinfo->linewidth;
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
416
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
417 /* if start address should be aligned */
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
418 if ( modeinfo->linewidth_unit )
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
419 {
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
420 if ( screenpage_len % modeinfo->linewidth_unit )
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
421 {
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
422 screenpage_len += modeinfo->linewidth_unit - ( screenpage_len % modeinfo->linewidth_unit );
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
423 }
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
424 }
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
425
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
426 /* if we heve enough videomemory = ak je dost videopamete */
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
427 if ( modeinfo->memory > ( screenpage_len * 2 / 1024 ) )
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
428 {
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
429 current->flags |= SDL_DOUBLEBUF;
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
430 flip_page = 0;
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
431 flip_offset[0] = 0;
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
432 flip_offset[1] = screenpage_len;
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
433 flip_address[0] = vga_getgraphmem();
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
434 flip_address[1] = flip_address[0]+screenpage_len;
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
435 SVGA_FlipHWSurface(this,current);
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
436 }
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
437 }
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
438
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 /* Set the blit function */
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
440 if ( banked ) {
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
441 this->UpdateRects = SVGA_BankedUpdate;
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
442 } else {
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
443 this->UpdateRects = SVGA_DirectUpdate;
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
444 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
446 /* Set up the mouse handler again (buggy SVGAlib 1.40) */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 mouse_seteventhandler(SVGA_mousecallback);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449 /* We're done */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
450 return(current);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
451 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453 /* We don't actually allow hardware surfaces other than the main one */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454 static int SVGA_AllocHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
456 return(-1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
457 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
458 static void SVGA_FreeHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
462
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463 /* We need to wait for vertical retrace on page flipped displays */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 static int SVGA_LockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 {
205
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
466 /* The waiting is done in SVGA_FlipHWSurface() */
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
469 static void SVGA_UnlockHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
470 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
471 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
472 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473
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parents:
diff changeset
474 static int SVGA_FlipHWSurface(_THIS, SDL_Surface *surface)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 {
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
476 if ( !banked ) {
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
477 vga_setdisplaystart(flip_offset[flip_page]);
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
478 flip_page=!flip_page;
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
479 surface->pixels=flip_address[flip_page];
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
480 vga_waitretrace();
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
481 }
0
74212992fb08 Initial revision
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parents:
diff changeset
482 return(0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
485 static void SVGA_DirectUpdate(_THIS, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
487 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
488 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489
74212992fb08 Initial revision
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parents:
diff changeset
490 static void SVGA_BankedUpdate(_THIS, int numrects, SDL_Rect *rects)
74212992fb08 Initial revision
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parents:
diff changeset
491 {
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
492 int i, j;
1554
0ca607a5d173 Fixed bug #84
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parents: 1545
diff changeset
493 SDL_Rect *rect;
1556
011b633fa0c9 Fixed bug #84
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parents: 1554
diff changeset
494 int page, vp;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
495 int x, y, w, h;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
496 unsigned char *src;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
497 unsigned char *dst;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
498 int bpp = this->screen->format->BytesPerPixel;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
499 int pitch = this->screen->pitch;
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
500
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
501 dst = vga_getgraphmem();
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
502 for ( i=0; i < numrects; ++i ) {
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
503 rect = &rects[i];
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
504 x = rect->x;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
505 y = rect->y;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
506 w = rect->w * bpp;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
507 h = rect->h;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
508
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
509 vp = y * pitch + x * bpp;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
510 src = (unsigned char *)this->screen->pixels + vp;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
511 page = vp >> 16;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
512 vp &= 0xffff;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
513 vga_setpage(page);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
514 for (j = 0; j < h; j++) {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
515 if (vp + w > 0x10000) {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
516 if (vp >= 0x10000) {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
517 page++;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
518 vga_setpage(page);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
519 vp &= 0xffff;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
520 } else {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
521 SDL_memcpy(dst + vp, src, 0x10000 - vp);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
522 page++;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
523 vga_setpage(page);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
524 SDL_memcpy(dst, src + 0x10000 - vp,
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
525 (vp + w) & 0xffff);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
526 vp = (vp + pitch) & 0xffff;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
527 src += pitch;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
528 continue;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
529 }
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
530 }
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
531 SDL_memcpy(dst + vp, src, w);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
532 src += pitch;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
533 vp += pitch;
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
534 }
1554
0ca607a5d173 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
535 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538 int SVGA_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
541
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 for(i = 0; i < ncolors; i++) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
543 vga_setpalette(firstcolor + i,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
544 colors[i].r>>2,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
545 colors[i].g>>2,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
546 colors[i].b>>2);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
550
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
551 /* Note: If we are terminated, this could be called in the middle of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
552 another SDL video routine -- notably UpdateRects.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
554 void SVGA_VideoQuit(_THIS)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
555 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
556 int i, j;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
557
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
558 /* Reset the console video mode */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
559 if ( this->screen && (this->screen->w && this->screen->h) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
560 vga_setmode(TEXT);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
561 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
562 keyboard_close();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
563
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
564 /* Free video mode lists */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
565 for ( i=0; i<NUM_MODELISTS; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 if ( SDL_modelist[i] != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567 for ( j=0; SDL_modelist[i][j]; ++j )
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
568 SDL_free(SDL_modelist[i][j]);
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
569 SDL_free(SDL_modelist[i]);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
570 SDL_modelist[i] = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
571 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572 if ( SDL_vgamode[i] != NULL ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
573 SDL_free(SDL_vgamode[i]);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
574 SDL_vgamode[i] = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
575 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
576 }
1556
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
577 if ( this->screen ) {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
578 if ( banked && this->screen->pixels ) {
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
579 SDL_free(this->screen->pixels);
011b633fa0c9 Fixed bug #84
Sam Lantinga <slouken@libsdl.org>
parents: 1554
diff changeset
580 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
581 this->screen->pixels = NULL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
582 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 }
205
13161d3d349d Added double-buffering support for SVGAlib (thanks Kutak!)
Sam Lantinga <slouken@libsdl.org>
parents: 67
diff changeset
584