| 1 | /** @file
|
|---|
| 2 | *
|
|---|
| 3 | * VBoxControl - Guest Additions Utility
|
|---|
| 4 | *
|
|---|
| 5 | * Copyright (C) 2006-2007 innotek GmbH
|
|---|
| 6 | *
|
|---|
| 7 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 8 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 9 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 10 | * General Public License as published by the Free Software Foundation,
|
|---|
| 11 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
|
|---|
| 12 | * distribution. VirtualBox OSE is distributed in the hope that it will
|
|---|
| 13 | * be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 14 | *
|
|---|
| 15 | * If you received this file as part of a commercial VirtualBox
|
|---|
| 16 | * distribution, then only the terms of your commercial VirtualBox
|
|---|
| 17 | * license agreement apply instead of the previous paragraph.
|
|---|
| 18 | *
|
|---|
| 19 | */
|
|---|
| 20 |
|
|---|
| 21 | #include <windows.h>
|
|---|
| 22 | #include <stdio.h>
|
|---|
| 23 |
|
|---|
| 24 | void printHelp()
|
|---|
| 25 | {
|
|---|
| 26 | printf("VBoxControl getvideoacceleration\n"
|
|---|
| 27 | "\n"
|
|---|
| 28 | "VBoxControl setvideoacceleration <on|off>\n"
|
|---|
| 29 | "\n"
|
|---|
| 30 | "VBoxControl listcustommodes\n"
|
|---|
| 31 | "\n"
|
|---|
| 32 | "VBoxControl addcustommode <width> <height> <bpp>\n"
|
|---|
| 33 | "\n"
|
|---|
| 34 | "VBoxControl removecustommode <width> <height> <bpp>\n");
|
|---|
| 35 | }
|
|---|
| 36 |
|
|---|
| 37 |
|
|---|
| 38 | HKEY getVideoKey(bool writable)
|
|---|
| 39 | {
|
|---|
| 40 | HKEY hkeyDeviceMap = 0;
|
|---|
| 41 | HKEY hkeyVideo = 0;
|
|---|
| 42 | LONG status;
|
|---|
| 43 |
|
|---|
| 44 | status = RegOpenKeyExA(HKEY_LOCAL_MACHINE, "HARDWARE\\DEVICEMAP\\VIDEO", 0, KEY_READ, &hkeyDeviceMap);
|
|---|
| 45 | if ((status != ERROR_SUCCESS) || !hkeyDeviceMap)
|
|---|
| 46 | {
|
|---|
| 47 | printf("Error opening video device map registry key!\n");
|
|---|
| 48 | return 0;
|
|---|
| 49 | }
|
|---|
| 50 | char szVideoLocation[256];
|
|---|
| 51 | DWORD dwKeyType;
|
|---|
| 52 | szVideoLocation[0] = 0;
|
|---|
| 53 | DWORD len = sizeof(szVideoLocation);
|
|---|
| 54 | status = RegQueryValueExA(hkeyDeviceMap, "\\Device\\Video0", NULL, &dwKeyType, (LPBYTE)szVideoLocation, &len);
|
|---|
| 55 | /*
|
|---|
| 56 | * This value will start with a weird value: \REGISTRY\Machine
|
|---|
| 57 | * Make sure this is true.
|
|---|
| 58 | */
|
|---|
| 59 | if ( (status == ERROR_SUCCESS)
|
|---|
| 60 | && (dwKeyType == REG_SZ)
|
|---|
| 61 | && (_strnicmp(szVideoLocation, "\\REGISTRY\\Machine", 17) == 0))
|
|---|
| 62 | {
|
|---|
| 63 | /* open that branch */
|
|---|
| 64 | status = RegOpenKeyExA(HKEY_LOCAL_MACHINE, &szVideoLocation[18], 0, KEY_READ | (writable ? KEY_WRITE : 0), &hkeyVideo);
|
|---|
| 65 | }
|
|---|
| 66 | else
|
|---|
| 67 | {
|
|---|
| 68 | printf("Error opening registry key '%s'\n", &szVideoLocation[18]);
|
|---|
| 69 | }
|
|---|
| 70 | RegCloseKey(hkeyDeviceMap);
|
|---|
| 71 | return hkeyVideo;
|
|---|
| 72 | }
|
|---|
| 73 |
|
|---|
| 74 | void handleGetVideoAcceleration(int argc, char *argv[])
|
|---|
| 75 | {
|
|---|
| 76 | ULONG status;
|
|---|
| 77 | HKEY hkeyVideo = getVideoKey(false);
|
|---|
| 78 |
|
|---|
| 79 | if (hkeyVideo)
|
|---|
| 80 | {
|
|---|
| 81 | /* query the actual value */
|
|---|
| 82 | DWORD fAcceleration = 1;
|
|---|
| 83 | DWORD len = sizeof(fAcceleration);
|
|---|
| 84 | DWORD dwKeyType;
|
|---|
| 85 | status = RegQueryValueExA(hkeyVideo, "EnableVideoAccel", NULL, &dwKeyType, (LPBYTE)&fAcceleration, &len);
|
|---|
| 86 | if (status != ERROR_SUCCESS)
|
|---|
| 87 | printf("Video acceleration: default\n");
|
|---|
| 88 | else
|
|---|
| 89 | printf("Video acceleration: %s\n", fAcceleration ? "on" : "off");
|
|---|
| 90 | RegCloseKey(hkeyVideo);
|
|---|
| 91 | }
|
|---|
| 92 | }
|
|---|
| 93 |
|
|---|
| 94 | void handleSetVideoAcceleration(int argc, char *argv[])
|
|---|
| 95 | {
|
|---|
| 96 | ULONG status;
|
|---|
| 97 | HKEY hkeyVideo;
|
|---|
| 98 |
|
|---|
| 99 | /* must have exactly one argument: the new offset */
|
|---|
| 100 | if ( (argc != 1)
|
|---|
| 101 | || ( strcmp(argv[0], "on")
|
|---|
| 102 | && strcmp(argv[0], "off")))
|
|---|
| 103 | {
|
|---|
| 104 | printf("Error: invalid video acceleration status!\n");
|
|---|
| 105 | return;
|
|---|
| 106 | }
|
|---|
| 107 |
|
|---|
| 108 | hkeyVideo = getVideoKey(true);
|
|---|
| 109 |
|
|---|
| 110 | if (hkeyVideo)
|
|---|
| 111 | {
|
|---|
| 112 | int fAccel = 0;
|
|---|
| 113 | if (!strcmp(argv[0], "on"))
|
|---|
| 114 | fAccel = 1;
|
|---|
| 115 | /* set a new value */
|
|---|
| 116 | status = RegSetValueExA(hkeyVideo, "EnableVideoAccel", 0, REG_DWORD, (LPBYTE)&fAccel, sizeof(fAccel));
|
|---|
| 117 | if (status != ERROR_SUCCESS)
|
|---|
| 118 | {
|
|---|
| 119 | printf("Error %d writing video acceleration status!\n", status);
|
|---|
| 120 | }
|
|---|
| 121 | RegCloseKey(hkeyVideo);
|
|---|
| 122 | }
|
|---|
| 123 | }
|
|---|
| 124 |
|
|---|
| 125 | #define MAX_CUSTOM_MODES 128
|
|---|
| 126 |
|
|---|
| 127 | /* the table of custom modes */
|
|---|
| 128 | struct
|
|---|
| 129 | {
|
|---|
| 130 | DWORD xres;
|
|---|
| 131 | DWORD yres;
|
|---|
| 132 | DWORD bpp;
|
|---|
| 133 | } customModes[MAX_CUSTOM_MODES] = {0};
|
|---|
| 134 |
|
|---|
| 135 | void getCustomModes(HKEY hkeyVideo)
|
|---|
| 136 | {
|
|---|
| 137 | ULONG status;
|
|---|
| 138 | int curMode = 0;
|
|---|
| 139 |
|
|---|
| 140 | /* null out the table */
|
|---|
| 141 | memset(customModes, 0, sizeof(customModes));
|
|---|
| 142 |
|
|---|
| 143 | do
|
|---|
| 144 | {
|
|---|
| 145 | char valueName[20];
|
|---|
| 146 | DWORD xres, yres, bpp = 0;
|
|---|
| 147 | DWORD dwType;
|
|---|
| 148 | DWORD dwLen = sizeof(DWORD);
|
|---|
| 149 |
|
|---|
| 150 | sprintf(valueName, "CustomMode%dWidth", curMode);
|
|---|
| 151 | status = RegQueryValueExA(hkeyVideo, valueName, NULL, &dwType, (LPBYTE)&xres, &dwLen);
|
|---|
| 152 | if (status != ERROR_SUCCESS)
|
|---|
| 153 | break;
|
|---|
| 154 | sprintf(valueName, "CustomMode%dHeight", curMode);
|
|---|
| 155 | status = RegQueryValueExA(hkeyVideo, valueName, NULL, &dwType, (LPBYTE)&yres, &dwLen);
|
|---|
| 156 | if (status != ERROR_SUCCESS)
|
|---|
| 157 | break;
|
|---|
| 158 | sprintf(valueName, "CustomMode%dBPP", curMode);
|
|---|
| 159 | status = RegQueryValueExA(hkeyVideo, valueName, NULL, &dwType, (LPBYTE)&bpp, &dwLen);
|
|---|
| 160 | if (status != ERROR_SUCCESS)
|
|---|
| 161 | break;
|
|---|
| 162 |
|
|---|
| 163 | /* check if the mode is OK */
|
|---|
| 164 | if ( (xres > (1 << 16))
|
|---|
| 165 | && (yres > (1 << 16))
|
|---|
| 166 | && ( (bpp != 16)
|
|---|
| 167 | || (bpp != 24)
|
|---|
| 168 | || (bpp != 32)))
|
|---|
| 169 | break;
|
|---|
| 170 |
|
|---|
| 171 | /* add mode to table */
|
|---|
| 172 | customModes[curMode].xres = xres;
|
|---|
| 173 | customModes[curMode].yres = yres;
|
|---|
| 174 | customModes[curMode].bpp = bpp;
|
|---|
| 175 |
|
|---|
| 176 | ++curMode;
|
|---|
| 177 |
|
|---|
| 178 | if (curMode >= MAX_CUSTOM_MODES)
|
|---|
| 179 | break;
|
|---|
| 180 | } while(1);
|
|---|
| 181 | }
|
|---|
| 182 |
|
|---|
| 183 | void writeCustomModes(HKEY hkeyVideo)
|
|---|
| 184 | {
|
|---|
| 185 | ULONG status;
|
|---|
| 186 | int tableIndex = 0;
|
|---|
| 187 | int modeIndex = 0;
|
|---|
| 188 |
|
|---|
| 189 | /* first remove all values */
|
|---|
| 190 | for (int i = 0; i < MAX_CUSTOM_MODES; i++)
|
|---|
| 191 | {
|
|---|
| 192 | char valueName[20];
|
|---|
| 193 | sprintf(valueName, "CustomMode%dWidth", i);
|
|---|
| 194 | RegDeleteValueA(hkeyVideo, valueName);
|
|---|
| 195 | sprintf(valueName, "CustomMode%dHeight", i);
|
|---|
| 196 | RegDeleteValueA(hkeyVideo, valueName);
|
|---|
| 197 | sprintf(valueName, "CustomMode%dBPP", i);
|
|---|
| 198 | RegDeleteValueA(hkeyVideo, valueName);
|
|---|
| 199 | }
|
|---|
| 200 |
|
|---|
| 201 | do
|
|---|
| 202 | {
|
|---|
| 203 | if (tableIndex >= MAX_CUSTOM_MODES)
|
|---|
| 204 | break;
|
|---|
| 205 |
|
|---|
| 206 | /* is the table entry present? */
|
|---|
| 207 | if ( (!customModes[tableIndex].xres)
|
|---|
| 208 | || (!customModes[tableIndex].yres)
|
|---|
| 209 | || (!customModes[tableIndex].bpp))
|
|---|
| 210 | {
|
|---|
| 211 | tableIndex++;
|
|---|
| 212 | continue;
|
|---|
| 213 | }
|
|---|
| 214 |
|
|---|
| 215 | printf("writing mode %d (%dx%dx%d)\n", modeIndex, customModes[tableIndex].xres, customModes[tableIndex].yres, customModes[tableIndex].bpp);
|
|---|
| 216 | char valueName[20];
|
|---|
| 217 | sprintf(valueName, "CustomMode%dWidth", modeIndex);
|
|---|
| 218 | status = RegSetValueExA(hkeyVideo, valueName, 0, REG_DWORD, (LPBYTE)&customModes[tableIndex].xres,
|
|---|
| 219 | sizeof(customModes[tableIndex].xres));
|
|---|
| 220 | sprintf(valueName, "CustomMode%dHeight", modeIndex);
|
|---|
| 221 | RegSetValueExA(hkeyVideo, valueName, 0, REG_DWORD, (LPBYTE)&customModes[tableIndex].yres,
|
|---|
| 222 | sizeof(customModes[tableIndex].yres));
|
|---|
| 223 | sprintf(valueName, "CustomMode%dBPP", modeIndex);
|
|---|
| 224 | RegSetValueExA(hkeyVideo, valueName, 0, REG_DWORD, (LPBYTE)&customModes[tableIndex].bpp,
|
|---|
| 225 | sizeof(customModes[tableIndex].bpp));
|
|---|
| 226 |
|
|---|
| 227 | modeIndex++;
|
|---|
| 228 | tableIndex++;
|
|---|
| 229 |
|
|---|
| 230 | } while(1);
|
|---|
| 231 |
|
|---|
| 232 | }
|
|---|
| 233 |
|
|---|
| 234 | void handleListCustomModes(int argc, char *argv[])
|
|---|
| 235 | {
|
|---|
| 236 | if (argc != 0)
|
|---|
| 237 | {
|
|---|
| 238 | printf("Error: too many parameters!");
|
|---|
| 239 | return;
|
|---|
| 240 | }
|
|---|
| 241 |
|
|---|
| 242 | HKEY hkeyVideo = getVideoKey(false);
|
|---|
| 243 |
|
|---|
| 244 | if (hkeyVideo)
|
|---|
| 245 | {
|
|---|
| 246 | getCustomModes(hkeyVideo);
|
|---|
| 247 | for (int i = 0; i < (sizeof(customModes) / sizeof(customModes[0])); i++)
|
|---|
| 248 | {
|
|---|
| 249 | if ( !customModes[i].xres
|
|---|
| 250 | || !customModes[i].yres
|
|---|
| 251 | || !customModes[i].bpp)
|
|---|
| 252 | continue;
|
|---|
| 253 |
|
|---|
| 254 | printf("Mode: %d x %d x %d\n",
|
|---|
| 255 | customModes[i].xres, customModes[i].yres, customModes[i].bpp);
|
|---|
| 256 | }
|
|---|
| 257 | RegCloseKey(hkeyVideo);
|
|---|
| 258 | }
|
|---|
| 259 | }
|
|---|
| 260 |
|
|---|
| 261 | void handleAddCustomMode(int argc, char *argv[])
|
|---|
| 262 | {
|
|---|
| 263 | if (argc != 3)
|
|---|
| 264 | {
|
|---|
| 265 | printf("Error: not enough parameters!\n");
|
|---|
| 266 | return;
|
|---|
| 267 | }
|
|---|
| 268 |
|
|---|
| 269 | DWORD xres = atoi(argv[0]);
|
|---|
| 270 | DWORD yres = atoi(argv[1]);
|
|---|
| 271 | DWORD bpp = atoi(argv[2]);
|
|---|
| 272 |
|
|---|
| 273 | /** @todo better check including xres mod 8 = 0! */
|
|---|
| 274 | if ( (xres > (1 << 16))
|
|---|
| 275 | && (yres > (1 << 16))
|
|---|
| 276 | && ( (bpp != 16)
|
|---|
| 277 | || (bpp != 24)
|
|---|
| 278 | || (bpp != 32)))
|
|---|
| 279 | {
|
|---|
| 280 | printf("Error: invalid mode specified!\n");
|
|---|
| 281 | return;
|
|---|
| 282 | }
|
|---|
| 283 |
|
|---|
| 284 | HKEY hkeyVideo = getVideoKey(true);
|
|---|
| 285 |
|
|---|
| 286 | if (hkeyVideo)
|
|---|
| 287 | {
|
|---|
| 288 | getCustomModes(hkeyVideo);
|
|---|
| 289 | for (int i = 0; i < MAX_CUSTOM_MODES; i++)
|
|---|
| 290 | {
|
|---|
| 291 | /* item free? */
|
|---|
| 292 | if (!customModes[i].xres)
|
|---|
| 293 | {
|
|---|
| 294 | customModes[i].xres = xres;
|
|---|
| 295 | customModes[i].yres = yres;
|
|---|
| 296 | customModes[i].bpp = bpp;
|
|---|
| 297 | break;
|
|---|
| 298 | }
|
|---|
| 299 | }
|
|---|
| 300 | writeCustomModes(hkeyVideo);
|
|---|
| 301 | RegCloseKey(hkeyVideo);
|
|---|
| 302 | }
|
|---|
| 303 | }
|
|---|
| 304 |
|
|---|
| 305 | void handleRemoveCustomMode(int argc, char *argv[])
|
|---|
| 306 | {
|
|---|
| 307 | if (argc != 3)
|
|---|
| 308 | {
|
|---|
| 309 | printf("Error: not enough parameters!\n");
|
|---|
| 310 | return;
|
|---|
| 311 | }
|
|---|
| 312 |
|
|---|
| 313 | DWORD xres = atoi(argv[0]);
|
|---|
| 314 | DWORD yres = atoi(argv[1]);
|
|---|
| 315 | DWORD bpp = atoi(argv[2]);
|
|---|
| 316 |
|
|---|
| 317 | HKEY hkeyVideo = getVideoKey(true);
|
|---|
| 318 |
|
|---|
| 319 | if (hkeyVideo)
|
|---|
| 320 | {
|
|---|
| 321 | getCustomModes(hkeyVideo);
|
|---|
| 322 | for (int i = 0; i < MAX_CUSTOM_MODES; i++)
|
|---|
| 323 | {
|
|---|
| 324 | /* correct item? */
|
|---|
| 325 | if ( (customModes[i].xres == xres)
|
|---|
| 326 | && (customModes[i].yres == yres)
|
|---|
| 327 | && (customModes[i].bpp == bpp))
|
|---|
| 328 | {
|
|---|
| 329 | printf("found mode at index %d\n", i);
|
|---|
| 330 | memset(&customModes[i], 0, sizeof(customModes[i]));
|
|---|
| 331 | break;
|
|---|
| 332 | }
|
|---|
| 333 | }
|
|---|
| 334 | writeCustomModes(hkeyVideo);
|
|---|
| 335 | RegCloseKey(hkeyVideo);
|
|---|
| 336 | }
|
|---|
| 337 | }
|
|---|
| 338 |
|
|---|
| 339 |
|
|---|
| 340 | /**
|
|---|
| 341 | * Main function
|
|---|
| 342 | */
|
|---|
| 343 | int main(int argc, char *argv[])
|
|---|
| 344 | {
|
|---|
| 345 | if (argc < 2)
|
|---|
| 346 | {
|
|---|
| 347 | printHelp();
|
|---|
| 348 | return 1;
|
|---|
| 349 | }
|
|---|
| 350 |
|
|---|
| 351 | /* determine which command */
|
|---|
| 352 | if (strcmp(argv[1], "getvideoacceleration") == 0)
|
|---|
| 353 | {
|
|---|
| 354 | handleGetVideoAcceleration(argc - 2, &argv[2]);
|
|---|
| 355 | }
|
|---|
| 356 | else if (strcmp(argv[1], "setvideoacceleration") == 0)
|
|---|
| 357 | {
|
|---|
| 358 | handleSetVideoAcceleration(argc - 2, &argv[2]);
|
|---|
| 359 | }
|
|---|
| 360 | else if (strcmp(argv[1], "listcustommodes") == 0)
|
|---|
| 361 | {
|
|---|
| 362 | handleListCustomModes(argc - 2, &argv[2]);
|
|---|
| 363 | }
|
|---|
| 364 | else if (strcmp(argv[1], "addcustommode") == 0)
|
|---|
| 365 | {
|
|---|
| 366 | handleAddCustomMode(argc - 2, &argv[2]);
|
|---|
| 367 | }
|
|---|
| 368 | else if (strcmp(argv[1], "removecustommode") == 0)
|
|---|
| 369 | {
|
|---|
| 370 | handleRemoveCustomMode(argc - 2, &argv[2]);
|
|---|
| 371 | }
|
|---|
| 372 | else
|
|---|
| 373 | {
|
|---|
| 374 | printHelp();
|
|---|
| 375 | return 1;
|
|---|
| 376 | }
|
|---|
| 377 |
|
|---|
| 378 | return 0;
|
|---|
| 379 | }
|
|---|
