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annotate src/video/vgl/SDL_vglvideo.c @ 1681:80a5e6a4e1e2 SDL-1.3

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Working on paletted display and texture support (two different issues)
author Sam Lantinga <slouken@libsdl.org>
date Thu, 15 Jun 2006 07:07:07 +0000
parents 4da1ee79c9af
children
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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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 /* libvga based SDL video driver implementation.
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25 */
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26
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27 #include <err.h>
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28 #include <osreldate.h>
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29 #include <unistd.h>
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30 #include <sys/stat.h>
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31
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32 #include <sys/fbio.h>
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33 #include <sys/consio.h>
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34 #include <sys/kbio.h>
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35 #include <vgl.h>
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36
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37 #include "SDL_video.h"
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38 #include "SDL_mouse.h"
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39 #include "../SDL_sysvideo.h"
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40 #include "../SDL_pixels_c.h"
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41 #include "../../events/SDL_events_c.h"
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42 #include "SDL_vglvideo.h"
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43 #include "SDL_vglevents_c.h"
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44 #include "SDL_vglmouse_c.h"
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45
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46
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47 /* Initialization/Query functions */
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48 static int VGL_VideoInit(_THIS, SDL_PixelFormat * vformat);
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49 static SDL_Rect **VGL_ListModes(_THIS, SDL_PixelFormat * format,
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50 Uint32 flags);
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51 static SDL_Surface *VGL_SetVideoMode(_THIS, SDL_Surface * current, int width,
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52 int height, int bpp, Uint32 flags);
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53 static int VGL_SetColors(_THIS, int firstcolor, int ncolors,
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54 SDL_Color * colors);
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55 static void VGL_VideoQuit(_THIS);
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56
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57 /* Hardware surface functions */
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58 static int VGL_AllocHWSurface(_THIS, SDL_Surface * surface);
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59 static int VGL_LockHWSurface(_THIS, SDL_Surface * surface);
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60 static int VGL_FlipHWSurface(_THIS, SDL_Surface * surface);
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61 static void VGL_UnlockHWSurface(_THIS, SDL_Surface * surface);
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62 static void VGL_FreeHWSurface(_THIS, SDL_Surface * surface);
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63
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64 /* Misc function */
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65 static VGLMode **VGLListModes(int depth, int mem_model);
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66 static void VGLWaitRetrace(void);
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67
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68 /* VGL driver bootstrap functions */
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69
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70 static int
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71 VGL_Available(void)
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72 {
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73 /*
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74 * Check to see if we are root and stdin is a
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75 * virtual console. Also try to ensure that
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76 * modes other than 320x200 are available
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77 */
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78 int console, hires_available, i;
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79 VGLMode **modes;
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80
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81 console = STDIN_FILENO;
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82 if (console >= 0) {
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83 struct stat sb;
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84 struct vt_mode dummy;
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85
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86 if ((fstat(console, &sb) < 0) ||
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87 (ioctl(console, VT_GETMODE, &dummy) < 0)) {
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88 console = -1;
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89 }
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90 }
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91 if (geteuid() != 0 && console == -1)
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92 return 0;
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93
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94 modes = VGLListModes(8, V_INFO_MM_DIRECT | V_INFO_MM_PACKED);
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95 hires_available = 0;
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96 for (i = 0; modes[i] != NULL; i++) {
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97 if ((modes[i]->ModeInfo.Xsize > 320) &&
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98 (modes[i]->ModeInfo.Ysize > 200) &&
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99 ((modes[i]->ModeInfo.Type == VIDBUF8) ||
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100 (modes[i]->ModeInfo.Type == VIDBUF16) ||
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101 (modes[i]->ModeInfo.Type == VIDBUF32))) {
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102 hires_available = 1;
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103 break;
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104 }
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105 }
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106 return hires_available;
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107 }
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108
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109 static void
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110 VGL_DeleteDevice(SDL_VideoDevice * device)
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111 {
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112 SDL_free(device->hidden);
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113 SDL_free(device);
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114 }
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115
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116 static SDL_VideoDevice *
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117 VGL_CreateDevice(int devindex)
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118 {
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119 SDL_VideoDevice *device;
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120
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121 /* Initialize all variables that we clean on shutdown */
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122 device = (SDL_VideoDevice *) SDL_malloc(sizeof(SDL_VideoDevice));
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123 if (device) {
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124 SDL_memset(device, 0, (sizeof *device));
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125 device->hidden = (struct SDL_PrivateVideoData *)
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126 SDL_malloc((sizeof *device->hidden));
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127 }
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128 if ((device == NULL) || (device->hidden == NULL)) {
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129 SDL_OutOfMemory();
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130 if (device) {
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131 SDL_free(device);
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132 }
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133 return (0);
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134 }
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135 SDL_memset(device->hidden, 0, (sizeof *device->hidden));
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136
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137 /* Set the function pointers */
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138 device->VideoInit = VGL_VideoInit;
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139 device->ListModes = VGL_ListModes;
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140 device->SetVideoMode = VGL_SetVideoMode;
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141 device->SetColors = VGL_SetColors;
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142 device->UpdateRects = NULL;
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143 device->VideoQuit = VGL_VideoQuit;
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144 device->AllocHWSurface = VGL_AllocHWSurface;
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145 device->CheckHWBlit = NULL;
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146 device->FillHWRect = NULL;
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147 device->SetHWColorKey = NULL;
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148 device->SetHWAlpha = NULL;
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149 device->LockHWSurface = VGL_LockHWSurface;
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150 device->UnlockHWSurface = VGL_UnlockHWSurface;
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151 device->FlipHWSurface = VGL_FlipHWSurface;
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152 device->FreeHWSurface = VGL_FreeHWSurface;
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153 device->SetIcon = NULL;
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154 device->SetCaption = NULL;
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155 device->GetWMInfo = NULL;
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156 device->FreeWMCursor = VGL_FreeWMCursor;
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157 device->CreateWMCursor = VGL_CreateWMCursor;
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158 device->ShowWMCursor = VGL_ShowWMCursor;
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159 device->WarpWMCursor = VGL_WarpWMCursor;
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160 device->InitOSKeymap = VGL_InitOSKeymap;
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161 device->PumpEvents = VGL_PumpEvents;
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162
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163 device->free = VGL_DeleteDevice;
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164
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165 return device;
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166 }
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167
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168 VideoBootStrap VGL_bootstrap = {
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169 "vgl", "FreeBSD libVGL",
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170 VGL_Available, VGL_CreateDevice
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171 };
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172
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173 static int
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174 VGL_AddMode(_THIS, VGLMode * inmode)
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175 {
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176 SDL_Rect *mode;
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177
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178 int i, index;
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179 int next_mode;
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180
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181 /* Check to see if we already have this mode */
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182 if (inmode->Depth < 8) { /* Not supported */
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183 return 0;
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184 }
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185 index = ((inmode->Depth + 7) / 8) - 1;
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186 for (i = 0; i < SDL_nummodes[index]; ++i) {
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187 mode = SDL_modelist[index][i];
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188 if ((mode->w == inmode->ModeInfo.Xsize) &&
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189 (mode->h == inmode->ModeInfo.Ysize))
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190 return 0;
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191 }
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192
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193 /* Set up the new video mode rectangle */
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194 mode = (SDL_Rect *) SDL_malloc(sizeof *mode);
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195 if (mode == NULL) {
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196 SDL_OutOfMemory();
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197 return -1;
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198 }
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199 mode->x = 0;
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200 mode->y = 0;
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201 mode->w = inmode->ModeInfo.Xsize;
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202 mode->h = inmode->ModeInfo.Ysize;
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203
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204 /* Allocate the new list of modes, and fill in the new mode */
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205 next_mode = SDL_nummodes[index];
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206 SDL_modelist[index] = (SDL_Rect **)
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207 SDL_realloc(SDL_modelist[index],
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208 (1 + next_mode + 1) * sizeof(SDL_Rect *));
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209 if (SDL_modelist[index] == NULL) {
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210 SDL_OutOfMemory();
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211 SDL_nummodes[index] = 0;
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212 SDL_free(mode);
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213 return -1;
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214 }
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215 SDL_modelist[index][next_mode] = mode;
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216 SDL_modelist[index][next_mode + 1] = NULL;
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217 SDL_nummodes[index]++;
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218
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219 return 0;
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220 }
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diff changeset
221
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diff changeset
222 static void
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223 VGL_UpdateVideoInfo(_THIS)
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224 {
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225 this->info.wm_available = 0;
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226 this->info.hw_available = 1;
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227 this->info.video_mem = 0;
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228 if (VGLCurMode == NULL) {
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229 return;
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230 }
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diff changeset
231 if (VGLCurMode->ModeInfo.PixelBytes > 0) {
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232 this->info.video_mem = VGLCurMode->ModeInfo.PixelBytes *
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233 VGLCurMode->ModeInfo.Xsize * VGLCurMode->ModeInfo.Ysize;
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234 }
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235 }
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diff changeset
236
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diff changeset
237 int
1668
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238 VGL_VideoInit(_THIS, SDL_PixelFormat * vformat)
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239 {
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240 int i;
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241 int total_modes;
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242 VGLMode **modes;
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243
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244 /* Initialize all variables that we clean on shutdown */
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245 for (i = 0; i < NUM_MODELISTS; ++i) {
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246 SDL_nummodes[i] = 0;
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247 SDL_modelist[i] = NULL;
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248 }
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249
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250 /* Enable mouse and keyboard support */
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251 if (SDL_getenv("SDL_NO_RAWKBD") == NULL) {
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252 if (VGLKeyboardInit(VGL_CODEKEYS) != 0) {
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253 SDL_SetError("Unable to initialize keyboard");
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254 return -1;
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255 }
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256 } else {
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257 warnx("Requiest to put keyboard into a raw mode ignored");
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258 }
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259 if (VGL_initkeymaps(STDIN_FILENO) != 0) {
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260 SDL_SetError("Unable to initialize keymap");
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261 return -1;
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262 }
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263 if (VGL_initmouse(STDIN_FILENO) != 0) {
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264 SDL_SetError("Unable to initialize mouse");
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265 return -1;
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266 }
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267
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268 /* Determine the current screen size */
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269 if (VGLCurMode != NULL) {
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270 this->info.current_w = VGLCurMode->ModeInfo.Xsize;
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271 this->info.current_h = VGLCurMode->ModeInfo.Ysize;
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272 }
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273
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274 /* Determine the screen depth */
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275 if (VGLCurMode != NULL)
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276 vformat->BitsPerPixel = VGLCurMode->Depth;
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277 else
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278 vformat->BitsPerPixel = 16; /* Good default */
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279
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280 /* Query for the list of available video modes */
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281 total_modes = 0;
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282 modes = VGLListModes(-1, V_INFO_MM_DIRECT | V_INFO_MM_PACKED);
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283 for (i = 0; modes[i] != NULL; i++) {
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284 if ((modes[i]->ModeInfo.Type == VIDBUF8) ||
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285 (modes[i]->ModeInfo.Type == VIDBUF16) ||
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286 (modes[i]->ModeInfo.Type == VIDBUF32)) {
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287 VGL_AddMode(this, modes[i]);
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288 total_modes++;
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289 }
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290 }
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291 if (total_modes == 0) {
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292 SDL_SetError("No linear video modes available");
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293 return -1;
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294 }
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295
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296 /* Fill in our hardware acceleration capabilities */
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297 VGL_UpdateVideoInfo(this);
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298
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299 /* Create the hardware surface lock mutex */
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300 hw_lock = SDL_CreateMutex();
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301 if (hw_lock == NULL) {
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302 SDL_SetError("Unable to create lock mutex");
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303 VGL_VideoQuit(this);
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304 return -1;
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305 }
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306
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307 /* We're done! */
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308 return 0;
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309 }
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310
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311 SDL_Rect **
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312 VGL_ListModes(_THIS, SDL_PixelFormat * format, Uint32 flags)
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313 {
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314 return SDL_modelist[((format->BitsPerPixel + 7) / 8) - 1];
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315 }
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316
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317 /* Various screen update functions available */
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318 static void VGL_DirectUpdate(_THIS, int numrects, SDL_Rect * rects);
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319 static void VGL_BankedUpdate(_THIS, int numrects, SDL_Rect * rects);
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320
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321 SDL_Surface *
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322 VGL_SetVideoMode(_THIS, SDL_Surface * current,
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323 int width, int height, int bpp, Uint32 flags)
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324 {
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325 int mode_found;
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326 int i;
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327 VGLMode **modes;
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328
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329 modes = VGLListModes(bpp, V_INFO_MM_DIRECT | V_INFO_MM_PACKED);
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330 mode_found = 0;
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331 for (i = 0; modes[i] != NULL; i++) {
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332 if ((modes[i]->ModeInfo.Xsize == width) &&
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333 (modes[i]->ModeInfo.Ysize == height) &&
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334 ((modes[i]->ModeInfo.Type == VIDBUF8) ||
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335 (modes[i]->ModeInfo.Type == VIDBUF16) ||
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336 (modes[i]->ModeInfo.Type == VIDBUF32))) {
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337 mode_found = 1;
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338 break;
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339 }
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340 }
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341 if (mode_found == 0) {
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342 SDL_SetError("No matching video mode found");
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343 return NULL;
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344 }
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345
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346 /* Shutdown previous videomode (if any) */
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347 if (VGLCurMode != NULL)
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348 VGLEnd();
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349
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350 /* Try to set the requested linear video mode */
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351 if (VGLInit(modes[i]->ModeId) != 0) {
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352 SDL_SetError("Unable to switch to requested mode");
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353 return NULL;
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354 }
75
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355
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356 VGLCurMode = SDL_realloc(VGLCurMode, sizeof(VGLMode));
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357 VGLCurMode->ModeInfo = *VGLDisplay;
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358 VGLCurMode->Depth = modes[i]->Depth;
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359 VGLCurMode->ModeId = modes[i]->ModeId;
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360 VGLCurMode->Rmask = modes[i]->Rmask;
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361 VGLCurMode->Gmask = modes[i]->Gmask;
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362 VGLCurMode->Bmask = modes[i]->Bmask;
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363
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364 /* Workaround a bug in libvgl */
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365 if (VGLCurMode->ModeInfo.PixelBytes == 0)
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366 (VGLCurMode->ModeInfo.PixelBytes = 1);
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diff changeset
367
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368 current->w = VGLCurMode->ModeInfo.Xsize;
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369 current->h = VGLCurMode->ModeInfo.Ysize;
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370 current->pixels = VGLCurMode->ModeInfo.Bitmap;
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371 current->pitch = VGLCurMode->ModeInfo.Xsize *
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diff changeset
372 VGLCurMode->ModeInfo.PixelBytes;
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373 current->flags = (SDL_FULLSCREEN | SDL_HWSURFACE);
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374
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diff changeset
375 /* Check if we are in a pseudo-color mode */
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diff changeset
376 if (VGLCurMode->ModeInfo.Type == VIDBUF8)
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diff changeset
377 current->flags |= SDL_HWPALETTE;
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diff changeset
378
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diff changeset
379 /* Check if we can do doublebuffering */
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parents: 1565
diff changeset
380 if (flags & SDL_DOUBLEBUF) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
381 if (VGLCurMode->ModeInfo.Xsize * 2 <= VGLCurMode->ModeInfo.VYsize) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
382 current->flags |= SDL_DOUBLEBUF;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
383 flip_page = 0;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
384 flip_address[0] = (byte *) current->pixels;
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diff changeset
385 flip_address[1] = (byte *) current->pixels +
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diff changeset
386 current->h * current->pitch;
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387 VGL_FlipHWSurface(this, current);
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388 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
389 }
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diff changeset
390
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diff changeset
391 if (!SDL_ReallocFormat(current, modes[i]->Depth, VGLCurMode->Rmask,
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392 VGLCurMode->Gmask, VGLCurMode->Bmask, 0)) {
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diff changeset
393 return NULL;
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394 }
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395
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diff changeset
396 /* Update hardware acceleration info */
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397 VGL_UpdateVideoInfo(this);
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diff changeset
398
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diff changeset
399 /* Set the blit function */
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400 this->UpdateRects = VGL_DirectUpdate;
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diff changeset
401
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
402 /* We're done */
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diff changeset
403 return current;
75
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parents:
diff changeset
404 }
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
405
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
406 /* We don't actually allow hardware surfaces other than the main one */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
407 static int
1668
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diff changeset
408 VGL_AllocHWSurface(_THIS, SDL_Surface * surface)
75
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diff changeset
409 {
1662
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diff changeset
410 return -1;
75
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parents:
diff changeset
411 }
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
412 static void
1668
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diff changeset
413 VGL_FreeHWSurface(_THIS, SDL_Surface * surface)
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diff changeset
414 {
1662
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diff changeset
415 return;
75
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diff changeset
416 }
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
417
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
418 /* We need to wait for vertical retrace on page flipped displays */
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
419 static int
1668
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420 VGL_LockHWSurface(_THIS, SDL_Surface * surface)
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diff changeset
421 {
1662
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diff changeset
422 if (surface == SDL_VideoSurface) {
1668
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diff changeset
423 SDL_mutexP(hw_lock);
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diff changeset
424 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
425 return 0;
75
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diff changeset
426 }
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
427 static void
1668
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428 VGL_UnlockHWSurface(_THIS, SDL_Surface * surface)
75
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diff changeset
429 {
1662
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diff changeset
430 if (surface == SDL_VideoSurface) {
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diff changeset
431 SDL_mutexV(hw_lock);
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782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
432 }
75
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diff changeset
433 }
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parents:
diff changeset
434
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
435 static int
1668
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diff changeset
436 VGL_FlipHWSurface(_THIS, SDL_Surface * surface)
75
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parents:
diff changeset
437 {
1662
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diff changeset
438 // VGLWaitRetrace();
1668
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diff changeset
439 if (VGLPanScreen(VGLDisplay, 0, flip_page * surface->h) < 0) {
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diff changeset
440 SDL_SetError("VGLPanSreen() failed");
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
441 return -1;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
442 }
75
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parents:
diff changeset
443
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diff changeset
444 flip_page = !flip_page;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
445 surface->pixels = flip_address[flip_page];
75
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parents:
diff changeset
446
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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diff changeset
447 return 0;
75
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parents:
diff changeset
448 }
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
449
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
450 static void
1668
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diff changeset
451 VGL_DirectUpdate(_THIS, int numrects, SDL_Rect * rects)
75
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parents:
diff changeset
452 {
1662
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parents: 1565
diff changeset
453 return;
75
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
454 }
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
455
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
456 static void
1668
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diff changeset
457 VGL_BankedUpdate(_THIS, int numrects, SDL_Rect * rects)
75
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parents:
diff changeset
458 {
1662
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parents: 1565
diff changeset
459 return;
75
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parents:
diff changeset
460 }
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
461
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
462 int
1668
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diff changeset
463 VGL_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color * colors)
75
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parents:
diff changeset
464 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
465 int i;
75
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parents:
diff changeset
466
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
467 for (i = 0; i < ncolors; i++) {
1668
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parents: 1662
diff changeset
468 VGLSetPaletteIndex(firstcolor + i,
4da1ee79c9af more tweaking indent options
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parents: 1662
diff changeset
469 colors[i].r >> 2,
4da1ee79c9af more tweaking indent options
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diff changeset
470 colors[i].g >> 2, colors[i].b >> 2);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
471 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
472 return 1;
75
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
473 }
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 /* Note: If we are terminated, this could be called in the middle of
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 another SDL video routine -- notably UpdateRects.
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 */
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
478 void
1668
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diff changeset
479 VGL_VideoQuit(_THIS)
75
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
480 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
481 int i, j;
75
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
482
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
483 /* Return the keyboard to the normal state */
1668
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diff changeset
484 VGLKeyboardEnd();
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
485
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
486 /* Reset the console video mode if we actually initialised one */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
487 if (VGLCurMode != NULL) {
1668
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diff changeset
488 VGLEnd();
4da1ee79c9af more tweaking indent options
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parents: 1662
diff changeset
489 SDL_free(VGLCurMode);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
490 VGLCurMode = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
491 }
75
b0ae59d0f3ee Added patches from FreeBSD ports
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parents:
diff changeset
492
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
493 /* Clear the lock mutex */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
494 if (hw_lock != NULL) {
1668
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diff changeset
495 SDL_DestroyMutex(hw_lock);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
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parents: 1565
diff changeset
496 hw_lock = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
497 }
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
499 /* Free video mode lists */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
500 for (i = 0; i < NUM_MODELISTS; i++) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
501 if (SDL_modelist[i] != NULL) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
502 for (j = 0; SDL_modelist[i][j] != NULL; ++j) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
503 SDL_free(SDL_modelist[i][j]);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
504 }
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
505 SDL_free(SDL_modelist[i]);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
506 SDL_modelist[i] = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
507 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
508 }
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
510 if (this->screen && (this->screen->flags & SDL_HWSURFACE)) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
511 /* Direct screen access, not a memory buffer */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
512 this->screen->pixels = NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
513 }
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 }
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516 #define VGL_RED_INDEX 0
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 #define VGL_GREEN_INDEX 1
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
518 #define VGL_BLUE_INDEX 2
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520 static VGLMode **
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
521 VGLListModes(int depth, int mem_model)
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 {
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
523 static VGLMode **modes = NULL;
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
525 VGLBitmap *vminfop;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
526 VGLMode **modesp, *modescp;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
527 video_info_t minfo;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
528 int adptype, i, modenum;
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
530 if (modes == NULL) {
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
531 modes = SDL_malloc(sizeof(VGLMode *) * M_VESA_MODE_MAX);
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
532 bzero(modes, sizeof(VGLMode *) * M_VESA_MODE_MAX);
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
533 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
534 modesp = modes;
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
535
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
536 for (modenum = 0; modenum < M_VESA_MODE_MAX; modenum++) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
537 minfo.vi_mode = modenum;
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
538 if (ioctl(0, CONS_MODEINFO, &minfo)
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
539 || ioctl(0, CONS_CURRENT, &adptype))
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
540 continue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
541 if (minfo.vi_mode != modenum)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
542 continue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
543 if ((minfo.vi_flags & V_INFO_GRAPHICS) == 0)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
544 continue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
545 if ((mem_model != -1) && ((minfo.vi_mem_model & mem_model) == 0))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
546 continue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
547 if ((depth > 1) && (minfo.vi_depth != depth))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
548 continue;
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
550 /* reallocf can fail */
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
551 if ((*modesp = reallocf(*modesp, sizeof(VGLMode))) == NULL)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
552 return NULL;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
553 modescp = *modesp;
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
554
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
555 vminfop = &(modescp->ModeInfo);
1668
4da1ee79c9af more tweaking indent options
Sam Lantinga <slouken@libsdl.org>
parents: 1662
diff changeset
556 bzero(vminfop, sizeof(VGLBitmap));
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
557
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
558 vminfop->Type = NOBUF;
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
559
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
560 vminfop->PixelBytes = 1; /* Good default value */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
561 switch (minfo.vi_mem_model) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
562 case V_INFO_MM_PLANAR:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
563 /* we can handle EGA/VGA planar modes only */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
564 if (!(minfo.vi_depth != 4 || minfo.vi_planes != 4
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
565 || (adptype != KD_EGA && adptype != KD_VGA)))
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
566 vminfop->Type = VIDBUF4;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
567 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
568 case V_INFO_MM_PACKED:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
569 /* we can do only 256 color packed modes */
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
570 if (minfo.vi_depth == 8)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
571 vminfop->Type = VIDBUF8;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
572 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
573 case V_INFO_MM_VGAX:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
574 vminfop->Type = VIDBUF8X;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
575 break;
1565
57431b199aed Fixed bug #52
Sam Lantinga <slouken@libsdl.org>
parents: 1545
diff changeset
576 #if defined(__FREEBSD__) && (defined(__DragonFly__) || __FreeBSD_version >= 500000)
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
577 case V_INFO_MM_DIRECT:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
578 vminfop->PixelBytes = minfo.vi_pixel_size;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
579 switch (vminfop->PixelBytes) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
580 case 2:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
581 vminfop->Type = VIDBUF16;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
582 break;
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 #if notyet
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
584 case 3:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
585 vminfop->Type = VIDBUF24;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
586 break;
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
587 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
588 case 4:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
589 vminfop->Type = VIDBUF32;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
590 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
591 default:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
592 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
593 }
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
594 #endif
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
595 default:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
596 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
597 }
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
598 if (vminfop->Type == NOBUF)
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
599 continue;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
600
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
601 switch (vminfop->Type) {
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
602 case VIDBUF16:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
603 case VIDBUF32:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
604 modescp->Rmask =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
605 ((1 << minfo.vi_pixel_fsizes[VGL_RED_INDEX]) -
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
606 1) << minfo.vi_pixel_fields[VGL_RED_INDEX];
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
607 modescp->Gmask =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
608 ((1 << minfo.vi_pixel_fsizes[VGL_GREEN_INDEX]) -
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
609 1) << minfo.vi_pixel_fields[VGL_GREEN_INDEX];
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
610 modescp->Bmask =
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
611 ((1 << minfo.vi_pixel_fsizes[VGL_BLUE_INDEX]) -
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
612 1) << minfo.vi_pixel_fields[VGL_BLUE_INDEX];
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
613 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
614
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
615 default:
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
616 break;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
617 }
75
b0ae59d0f3ee Added patches from FreeBSD ports
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
618
1662
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
619 vminfop->Xsize = minfo.vi_width;
782fd950bd46 Revamp of the video system in progress - adding support for multiple displays, multiple windows, and a full video mode selection API.
Sam Lantinga <slouken@libsdl.org>
parents: 1565
diff changeset
620 vminfop->Ysize = minfo.vi_height;
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621 modescp->Depth = minfo.vi_depth;
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622
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623 /* XXX */
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624 if (minfo.vi_mode >= M_VESA_BASE)
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625 modescp->ModeId = _IO('V', minfo.vi_mode - M_VESA_BASE);
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626 else
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627 modescp->ModeId = _IO('S', minfo.vi_mode);
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628
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629 /* Sort list */
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630 for (i = 0; modes + i < modesp; i++) {
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631 if (modes[i]->ModeInfo.Xsize * modes[i]->ModeInfo.Ysize >
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632 vminfop->Xsize * modes[i]->ModeInfo.Ysize)
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633 continue;
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634 if ((modes[i]->ModeInfo.Xsize * modes[i]->ModeInfo.Ysize ==
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635 vminfop->Xsize * vminfop->Ysize) &&
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636 (modes[i]->Depth >= modescp->Depth))
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637 continue;
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638 *modesp = modes[i];
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639 modes[i] = modescp;
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640 modescp = *modesp;
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641 vminfop = &(modescp->ModeInfo);
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642 }
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643
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644 modesp++;
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645 }
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646
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647 if (*modesp != NULL) {
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648 SDL_free(*modesp);
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649 *modesp = NULL;
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650 }
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651
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652 return modes;
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653 }
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654
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655 static void
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656 VGLWaitRetrace(void)
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657 {
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658 while (!(inb(0x3DA) & 8));
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659 while (inb(0x3DA) & 8);
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660 }
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661
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662 /* vi: set ts=4 sw=4 expandtab: */