|  | /* | 
|  | * Wine X11drv display settings functions | 
|  | * | 
|  | * Copyright 2003 Alexander James Pasadyn | 
|  | * | 
|  | * This library is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU Lesser General Public | 
|  | * License as published by the Free Software Foundation; either | 
|  | * version 2.1 of the License, or (at your option) any later version. | 
|  | * | 
|  | * This library is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | * Lesser General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU Lesser General Public | 
|  | * License along with this library; if not, write to the Free Software | 
|  | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA | 
|  | */ | 
|  |  | 
|  | #include "config.h" | 
|  | #include <string.h> | 
|  | #include <stdio.h> | 
|  | #include <assert.h> | 
|  |  | 
|  | #define NONAMELESSUNION | 
|  | #define NONAMELESSSTRUCT | 
|  |  | 
|  | #include "x11drv.h" | 
|  |  | 
|  | #include "windef.h" | 
|  | #include "winreg.h" | 
|  | #include "wingdi.h" | 
|  | #include "ddrawi.h" | 
|  | #include "wine/debug.h" | 
|  |  | 
|  | WINE_DEFAULT_DEBUG_CHANNEL(x11settings); | 
|  |  | 
|  | /* | 
|  | * The DDHALMODEINFO type is used to hold all the mode information. | 
|  | * This is done because the array of DDHALMODEINFO structures must be | 
|  | * created for use by DirectDraw anyway. | 
|  | */ | 
|  | static LPDDHALMODEINFO dd_modes = NULL; | 
|  | static unsigned int dd_mode_count = 0; | 
|  | static unsigned int dd_max_modes = 0; | 
|  | /* All Windows drivers seen so far either support 32 bit depths, or 24 bit depths, but never both. So if we have | 
|  | * a 32 bit framebuffer, report 32 bit bpps, otherwise 24 bit ones. | 
|  | */ | 
|  | static const unsigned int depths_24[]  = {8, 16, 24}; | 
|  | static const unsigned int depths_32[]  = {8, 16, 32}; | 
|  |  | 
|  | /* pointers to functions that actually do the hard stuff */ | 
|  | static int (*pGetCurrentMode)(void); | 
|  | static LONG (*pSetCurrentMode)(int mode); | 
|  | static const char *handler_name; | 
|  |  | 
|  | /* | 
|  | * Set the handlers for resolution changing functions | 
|  | * and initialize the master list of modes | 
|  | */ | 
|  | LPDDHALMODEINFO X11DRV_Settings_SetHandlers(const char *name, | 
|  | int (*pNewGCM)(void), | 
|  | LONG (*pNewSCM)(int), | 
|  | unsigned int nmodes, | 
|  | int reserve_depths) | 
|  | { | 
|  | handler_name = name; | 
|  | pGetCurrentMode = pNewGCM; | 
|  | pSetCurrentMode = pNewSCM; | 
|  | TRACE("Resolution settings now handled by: %s\n", name); | 
|  | if (reserve_depths) | 
|  | /* leave room for other depths */ | 
|  | dd_max_modes = (3+1)*(nmodes); | 
|  | else | 
|  | dd_max_modes = nmodes; | 
|  |  | 
|  | if (dd_modes) | 
|  | { | 
|  | TRACE("Destroying old display modes array\n"); | 
|  | HeapFree(GetProcessHeap(), 0, dd_modes); | 
|  | } | 
|  | dd_modes = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DDHALMODEINFO) * dd_max_modes); | 
|  | dd_mode_count = 0; | 
|  | TRACE("Initialized new display modes array\n"); | 
|  | return dd_modes; | 
|  | } | 
|  |  | 
|  | /* Add one mode to the master list */ | 
|  | void X11DRV_Settings_AddOneMode(unsigned int width, unsigned int height, unsigned int bpp, unsigned int freq) | 
|  | { | 
|  | LPDDHALMODEINFO info = &(dd_modes[dd_mode_count]); | 
|  | DWORD dwBpp = screen_bpp; | 
|  | if (dd_mode_count >= dd_max_modes) | 
|  | { | 
|  | ERR("Maximum modes (%d) exceeded\n", dd_max_modes); | 
|  | return; | 
|  | } | 
|  | if (bpp == 0) bpp = dwBpp; | 
|  | info->dwWidth        = width; | 
|  | info->dwHeight       = height; | 
|  | info->wRefreshRate   = freq; | 
|  | info->lPitch         = 0; | 
|  | info->dwBPP          = bpp; | 
|  | info->wFlags         = 0; | 
|  | info->dwRBitMask     = 0; | 
|  | info->dwGBitMask     = 0; | 
|  | info->dwBBitMask     = 0; | 
|  | info->dwAlphaBitMask = 0; | 
|  | TRACE("initialized mode %d: %dx%dx%d @%d Hz (%s)\n", | 
|  | dd_mode_count, width, height, bpp, freq, handler_name); | 
|  | dd_mode_count++; | 
|  | } | 
|  |  | 
|  | /* copy all the current modes using the other color depths */ | 
|  | void X11DRV_Settings_AddDepthModes(void) | 
|  | { | 
|  | int i, j; | 
|  | int existing_modes = dd_mode_count; | 
|  | DWORD dwBpp = screen_bpp; | 
|  | const DWORD *depths = screen_bpp == 32 ? depths_32 : depths_24; | 
|  |  | 
|  | for (j=0; j<3; j++) | 
|  | { | 
|  | if (depths[j] != dwBpp) | 
|  | { | 
|  | for (i=0; i < existing_modes; i++) | 
|  | { | 
|  | X11DRV_Settings_AddOneMode(dd_modes[i].dwWidth, dd_modes[i].dwHeight, | 
|  | depths[j], dd_modes[i].wRefreshRate); | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | /* return the number of modes that are initialized */ | 
|  | unsigned int X11DRV_Settings_GetModeCount(void) | 
|  | { | 
|  | return dd_mode_count; | 
|  | } | 
|  |  | 
|  | /*********************************************************************** | 
|  | * Default handlers if resolution switching is not enabled | 
|  | * | 
|  | */ | 
|  | static int X11DRV_nores_GetCurrentMode(void) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static LONG X11DRV_nores_SetCurrentMode(int mode) | 
|  | { | 
|  | TRACE("Ignoring mode change request\n"); | 
|  | return DISP_CHANGE_FAILED; | 
|  | } | 
|  |  | 
|  | /* default handler only gets the current X desktop resolution */ | 
|  | void X11DRV_Settings_Init(void) | 
|  | { | 
|  | X11DRV_Settings_SetHandlers("NoRes", | 
|  | X11DRV_nores_GetCurrentMode, | 
|  | X11DRV_nores_SetCurrentMode, | 
|  | 1, 0); | 
|  | X11DRV_Settings_AddOneMode(screen_width, screen_height, 0, 60); | 
|  | } | 
|  |  | 
|  | static BOOL get_display_device_reg_key(char *key, unsigned len) | 
|  | { | 
|  | static const char display_device_guid_prop[] = "__wine_display_device_guid"; | 
|  | static const char video_path[] = "System\\CurrentControlSet\\Control\\Video\\{"; | 
|  | static const char display0[] = "}\\0000"; | 
|  | ATOM guid_atom; | 
|  |  | 
|  | assert(len >= sizeof(video_path) + sizeof(display0) + 40); | 
|  |  | 
|  | guid_atom = HandleToULong(GetPropA(GetDesktopWindow(), display_device_guid_prop)); | 
|  | if (!guid_atom) return FALSE; | 
|  |  | 
|  | memcpy(key, video_path, sizeof(video_path)); | 
|  |  | 
|  | if (!GlobalGetAtomNameA(guid_atom, key + strlen(key), 40)) | 
|  | return FALSE; | 
|  |  | 
|  | strcat(key, display0); | 
|  |  | 
|  | TRACE("display device key %s\n", wine_dbgstr_a(key)); | 
|  | return TRUE; | 
|  | } | 
|  |  | 
|  | static BOOL read_registry_settings(DEVMODEW *dm) | 
|  | { | 
|  | char wine_x11_reg_key[128]; | 
|  | HKEY hkey; | 
|  | DWORD type, size; | 
|  | BOOL ret = TRUE; | 
|  |  | 
|  | dm->dmFields = 0; | 
|  |  | 
|  | if (!get_display_device_reg_key(wine_x11_reg_key, sizeof(wine_x11_reg_key))) | 
|  | return FALSE; | 
|  |  | 
|  | if (RegOpenKeyExA(HKEY_CURRENT_CONFIG, wine_x11_reg_key, 0, KEY_READ, &hkey)) | 
|  | return FALSE; | 
|  |  | 
|  | #define query_value(name, data) \ | 
|  | size = sizeof(DWORD); \ | 
|  | if (RegQueryValueExA(hkey, name, 0, &type, (LPBYTE)(data), &size) || \ | 
|  | type != REG_DWORD || size != sizeof(DWORD)) \ | 
|  | ret = FALSE | 
|  |  | 
|  | query_value("DefaultSettings.BitsPerPel", &dm->dmBitsPerPel); | 
|  | dm->dmFields |= DM_BITSPERPEL; | 
|  | query_value("DefaultSettings.XResolution", &dm->dmPelsWidth); | 
|  | dm->dmFields |= DM_PELSWIDTH; | 
|  | query_value("DefaultSettings.YResolution", &dm->dmPelsHeight); | 
|  | dm->dmFields |= DM_PELSHEIGHT; | 
|  | query_value("DefaultSettings.VRefresh", &dm->dmDisplayFrequency); | 
|  | dm->dmFields |= DM_DISPLAYFREQUENCY; | 
|  | query_value("DefaultSettings.Flags", &dm->u2.dmDisplayFlags); | 
|  | dm->dmFields |= DM_DISPLAYFLAGS; | 
|  | query_value("DefaultSettings.XPanning", &dm->u1.s2.dmPosition.x); | 
|  | query_value("DefaultSettings.YPanning", &dm->u1.s2.dmPosition.y); | 
|  | query_value("DefaultSettings.Orientation", &dm->u1.s2.dmDisplayOrientation); | 
|  | query_value("DefaultSettings.FixedOutput", &dm->u1.s2.dmDisplayFixedOutput); | 
|  |  | 
|  | #undef query_value | 
|  |  | 
|  | RegCloseKey(hkey); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static BOOL write_registry_settings(const DEVMODEW *dm) | 
|  | { | 
|  | char wine_x11_reg_key[128]; | 
|  | HKEY hkey; | 
|  | BOOL ret = TRUE; | 
|  |  | 
|  | if (!get_display_device_reg_key(wine_x11_reg_key, sizeof(wine_x11_reg_key))) | 
|  | return FALSE; | 
|  |  | 
|  | if (RegCreateKeyExA(HKEY_CURRENT_CONFIG, wine_x11_reg_key, 0, NULL, | 
|  | REG_OPTION_VOLATILE, KEY_WRITE, NULL, &hkey, NULL)) | 
|  | return FALSE; | 
|  |  | 
|  | #define set_value(name, data) \ | 
|  | if (RegSetValueExA(hkey, name, 0, REG_DWORD, (LPBYTE)(data), sizeof(DWORD))) \ | 
|  | ret = FALSE | 
|  |  | 
|  | set_value("DefaultSettings.BitsPerPel", &dm->dmBitsPerPel); | 
|  | set_value("DefaultSettings.XResolution", &dm->dmPelsWidth); | 
|  | set_value("DefaultSettings.YResolution", &dm->dmPelsHeight); | 
|  | set_value("DefaultSettings.VRefresh", &dm->dmDisplayFrequency); | 
|  | set_value("DefaultSettings.Flags", &dm->u2.dmDisplayFlags); | 
|  | set_value("DefaultSettings.XPanning", &dm->u1.s2.dmPosition.x); | 
|  | set_value("DefaultSettings.YPanning", &dm->u1.s2.dmPosition.y); | 
|  | set_value("DefaultSettings.Orientation", &dm->u1.s2.dmDisplayOrientation); | 
|  | set_value("DefaultSettings.FixedOutput", &dm->u1.s2.dmDisplayFixedOutput); | 
|  |  | 
|  | #undef set_value | 
|  |  | 
|  | RegCloseKey(hkey); | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | /*********************************************************************** | 
|  | *		EnumDisplaySettingsEx  (X11DRV.@) | 
|  | * | 
|  | */ | 
|  | BOOL CDECL X11DRV_EnumDisplaySettingsEx( LPCWSTR name, DWORD n, LPDEVMODEW devmode, DWORD flags) | 
|  | { | 
|  | static const WCHAR dev_name[CCHDEVICENAME] = | 
|  | { 'W','i','n','e',' ','X','1','1',' ','d','r','i','v','e','r',0 }; | 
|  |  | 
|  | devmode->dmSize = FIELD_OFFSET(DEVMODEW, dmICMMethod); | 
|  | devmode->dmSpecVersion = DM_SPECVERSION; | 
|  | devmode->dmDriverVersion = DM_SPECVERSION; | 
|  | memcpy(devmode->dmDeviceName, dev_name, sizeof(dev_name)); | 
|  | devmode->dmDriverExtra = 0; | 
|  | devmode->u2.dmDisplayFlags = 0; | 
|  | devmode->dmDisplayFrequency = 0; | 
|  | devmode->u1.s2.dmPosition.x = 0; | 
|  | devmode->u1.s2.dmPosition.y = 0; | 
|  | devmode->u1.s2.dmDisplayOrientation = 0; | 
|  | devmode->u1.s2.dmDisplayFixedOutput = 0; | 
|  |  | 
|  | if (n == ENUM_CURRENT_SETTINGS) | 
|  | { | 
|  | TRACE("mode %d (current) -- getting current mode (%s)\n", n, handler_name); | 
|  | n = pGetCurrentMode(); | 
|  | } | 
|  | if (n == ENUM_REGISTRY_SETTINGS) | 
|  | { | 
|  | TRACE("mode %d (registry) -- getting default mode (%s)\n", n, handler_name); | 
|  | return read_registry_settings(devmode); | 
|  | } | 
|  | if (n < dd_mode_count) | 
|  | { | 
|  | devmode->dmPelsWidth = dd_modes[n].dwWidth; | 
|  | devmode->dmPelsHeight = dd_modes[n].dwHeight; | 
|  | devmode->dmBitsPerPel = dd_modes[n].dwBPP; | 
|  | devmode->dmDisplayFrequency = dd_modes[n].wRefreshRate; | 
|  | devmode->dmFields = DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | | 
|  | DM_DISPLAYFLAGS; | 
|  | if (devmode->dmDisplayFrequency) | 
|  | { | 
|  | devmode->dmFields |= DM_DISPLAYFREQUENCY; | 
|  | TRACE("mode %d -- %dx%dx%dbpp @%d Hz (%s)\n", n, | 
|  | devmode->dmPelsWidth, devmode->dmPelsHeight, devmode->dmBitsPerPel, | 
|  | devmode->dmDisplayFrequency, handler_name); | 
|  | } | 
|  | else | 
|  | { | 
|  | TRACE("mode %d -- %dx%dx%dbpp (%s)\n", n, | 
|  | devmode->dmPelsWidth, devmode->dmPelsHeight, devmode->dmBitsPerPel, | 
|  | handler_name); | 
|  | } | 
|  | return TRUE; | 
|  | } | 
|  | TRACE("mode %d -- not present (%s)\n", n, handler_name); | 
|  | SetLastError(ERROR_NO_MORE_FILES); | 
|  | return FALSE; | 
|  | } | 
|  |  | 
|  | #define _X_FIELD(prefix, bits) if ((fields) & prefix##_##bits) {p+=sprintf(p, "%s%s", first ? "" : ",", #bits); first=FALSE;} | 
|  | static const char * _CDS_flags(DWORD fields) | 
|  | { | 
|  | BOOL first = TRUE; | 
|  | char buf[128]; | 
|  | char *p = buf; | 
|  | _X_FIELD(CDS,UPDATEREGISTRY);_X_FIELD(CDS,TEST);_X_FIELD(CDS,FULLSCREEN); | 
|  | _X_FIELD(CDS,GLOBAL);_X_FIELD(CDS,SET_PRIMARY);_X_FIELD(CDS,RESET); | 
|  | _X_FIELD(CDS,SETRECT);_X_FIELD(CDS,NORESET); | 
|  | *p = 0; | 
|  | return wine_dbg_sprintf("%s", buf); | 
|  | } | 
|  | static const char * _DM_fields(DWORD fields) | 
|  | { | 
|  | BOOL first = TRUE; | 
|  | char buf[128]; | 
|  | char *p = buf; | 
|  | _X_FIELD(DM,BITSPERPEL);_X_FIELD(DM,PELSWIDTH);_X_FIELD(DM,PELSHEIGHT); | 
|  | _X_FIELD(DM,DISPLAYFLAGS);_X_FIELD(DM,DISPLAYFREQUENCY);_X_FIELD(DM,POSITION); | 
|  | *p = 0; | 
|  | return wine_dbg_sprintf("%s", buf); | 
|  | } | 
|  | #undef _X_FIELD | 
|  |  | 
|  | /*********************************************************************** | 
|  | *		ChangeDisplaySettingsEx  (X11DRV.@) | 
|  | * | 
|  | */ | 
|  | LONG CDECL X11DRV_ChangeDisplaySettingsEx( LPCWSTR devname, LPDEVMODEW devmode, | 
|  | HWND hwnd, DWORD flags, LPVOID lpvoid ) | 
|  | { | 
|  | DWORD i, dwBpp = 0; | 
|  | DEVMODEW dm; | 
|  | BOOL def_mode = TRUE; | 
|  |  | 
|  | TRACE("(%s,%p,%p,0x%08x,%p)\n",debugstr_w(devname),devmode,hwnd,flags,lpvoid); | 
|  | TRACE("flags=%s\n",_CDS_flags(flags)); | 
|  | if (devmode) | 
|  | { | 
|  | /* this is the minimal dmSize that XP accepts */ | 
|  | if (devmode->dmSize < FIELD_OFFSET(DEVMODEW, dmFields)) | 
|  | return DISP_CHANGE_FAILED; | 
|  |  | 
|  | TRACE("DM_fields=%s\n",_DM_fields(devmode->dmFields)); | 
|  | TRACE("width=%d height=%d bpp=%d freq=%d (%s)\n", | 
|  | devmode->dmPelsWidth,devmode->dmPelsHeight, | 
|  | devmode->dmBitsPerPel,devmode->dmDisplayFrequency, handler_name); | 
|  |  | 
|  | dwBpp = devmode->dmBitsPerPel; | 
|  | if (devmode->dmFields & DM_BITSPERPEL) def_mode &= !dwBpp; | 
|  | if (devmode->dmFields & DM_PELSWIDTH)  def_mode &= !devmode->dmPelsWidth; | 
|  | if (devmode->dmFields & DM_PELSHEIGHT) def_mode &= !devmode->dmPelsHeight; | 
|  | if (devmode->dmFields & DM_DISPLAYFREQUENCY) def_mode &= !devmode->dmDisplayFrequency; | 
|  | } | 
|  |  | 
|  | if (def_mode || !dwBpp) | 
|  | { | 
|  | if (!X11DRV_EnumDisplaySettingsEx(devname, ENUM_REGISTRY_SETTINGS, &dm, 0)) | 
|  | { | 
|  | ERR("Default mode not found!\n"); | 
|  | return DISP_CHANGE_BADMODE; | 
|  | } | 
|  | if (def_mode) | 
|  | { | 
|  | TRACE("Return to original display mode (%s)\n", handler_name); | 
|  | devmode = &dm; | 
|  | } | 
|  | dwBpp = dm.dmBitsPerPel; | 
|  | } | 
|  |  | 
|  | if ((devmode->dmFields & (DM_PELSWIDTH | DM_PELSHEIGHT)) != (DM_PELSWIDTH | DM_PELSHEIGHT)) | 
|  | { | 
|  | WARN("devmode doesn't specify the resolution: %04x\n", devmode->dmFields); | 
|  | return DISP_CHANGE_BADMODE; | 
|  | } | 
|  |  | 
|  | for (i = 0; i < dd_mode_count; i++) | 
|  | { | 
|  | if (devmode->dmFields & DM_BITSPERPEL) | 
|  | { | 
|  | if (dwBpp != dd_modes[i].dwBPP) | 
|  | continue; | 
|  | } | 
|  | if (devmode->dmFields & DM_PELSWIDTH) | 
|  | { | 
|  | if (devmode->dmPelsWidth != dd_modes[i].dwWidth) | 
|  | continue; | 
|  | } | 
|  | if (devmode->dmFields & DM_PELSHEIGHT) | 
|  | { | 
|  | if (devmode->dmPelsHeight != dd_modes[i].dwHeight) | 
|  | continue; | 
|  | } | 
|  | if ((devmode->dmFields & DM_DISPLAYFREQUENCY) && (dd_modes[i].wRefreshRate != 0) && | 
|  | devmode->dmDisplayFrequency != 0) | 
|  | { | 
|  | if (devmode->dmDisplayFrequency != dd_modes[i].wRefreshRate) | 
|  | continue; | 
|  | } | 
|  | /* we have a valid mode */ | 
|  | TRACE("Requested display settings match mode %d (%s)\n", i, handler_name); | 
|  |  | 
|  | if (flags & CDS_UPDATEREGISTRY) | 
|  | write_registry_settings(devmode); | 
|  |  | 
|  | if (!(flags & (CDS_TEST | CDS_NORESET))) | 
|  | return pSetCurrentMode(i); | 
|  |  | 
|  | return DISP_CHANGE_SUCCESSFUL; | 
|  | } | 
|  |  | 
|  | /* no valid modes found */ | 
|  | ERR("No matching mode found %ux%ux%u @%u! (%s)\n", | 
|  | devmode->dmPelsWidth, devmode->dmPelsHeight, | 
|  | devmode->dmBitsPerPel, devmode->dmDisplayFrequency, handler_name); | 
|  | return DISP_CHANGE_BADMODE; | 
|  | } | 
|  |  | 
|  |  | 
|  |  | 
|  |  | 
|  | /*********************************************************************** | 
|  | * DirectDraw HAL interface | 
|  | * | 
|  | */ | 
|  | static DWORD PASCAL X11DRV_Settings_SetMode(LPDDHAL_SETMODEDATA data) | 
|  | { | 
|  | TRACE("Mode %d requested by DDHAL (%s)\n", data->dwModeIndex, handler_name); | 
|  | switch (pSetCurrentMode(data->dwModeIndex)) | 
|  | { | 
|  | case DISP_CHANGE_SUCCESSFUL: | 
|  | X11DRV_DDHAL_SwitchMode(data->dwModeIndex, NULL, NULL); | 
|  | data->ddRVal = DD_OK; | 
|  | break; | 
|  | case DISP_CHANGE_BADMODE: | 
|  | data->ddRVal = DDERR_WRONGMODE; | 
|  | break; | 
|  | default: | 
|  | data->ddRVal = DDERR_UNSUPPORTEDMODE; | 
|  | } | 
|  | return DDHAL_DRIVER_HANDLED; | 
|  | } | 
|  | int X11DRV_Settings_CreateDriver(LPDDHALINFO info) | 
|  | { | 
|  | if (!dd_mode_count) return 0; /* no settings defined */ | 
|  |  | 
|  | TRACE("Setting up display settings for DDRAW (%s)\n", handler_name); | 
|  | info->dwNumModes = dd_mode_count; | 
|  | info->lpModeInfo = dd_modes; | 
|  | X11DRV_DDHAL_SwitchMode(pGetCurrentMode(), NULL, NULL); | 
|  | info->lpDDCallbacks->SetMode = X11DRV_Settings_SetMode; | 
|  | return TRUE; | 
|  | } |