| /* |
| * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "config.h" |
| #include <string.h> |
| #include <stdio.h> |
| #include "x11drv.h" |
| #include "x11ddraw.h" |
| |
| #include "windef.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; |
| static int dd_mode_default = 0; |
| static const unsigned int depths[] = {8, 16, 32}; |
| |
| /* pointers to functions that actually do the hard stuff */ |
| static int (*pGetCurrentMode)(void); |
| static void (*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), |
| void (*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_depth; |
| if (dd_mode_count >= dd_max_modes) |
| { |
| ERR("Maximum modes (%d) exceeded\n", dd_max_modes); |
| return; |
| } |
| if (dwBpp == 24) dwBpp = 32; |
| 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_depth; |
| if (dwBpp == 24) dwBpp = 32; |
| 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); |
| } |
| } |
| } |
| } |
| |
| /* set the default mode */ |
| void X11DRV_Settings_SetDefaultMode(int mode) |
| { |
| dd_mode_default = mode; |
| } |
| |
| /* 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 void X11DRV_nores_SetCurrentMode(int mode) |
| { |
| TRACE("Ignoring mode change request\n"); |
| } |
| /* 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, 0); |
| } |
| |
| /*********************************************************************** |
| * EnumDisplaySettingsEx (X11DRV.@) |
| * |
| */ |
| BOOL X11DRV_EnumDisplaySettingsEx( LPCWSTR name, DWORD n, LPDEVMODEW devmode, DWORD flags) |
| { |
| DWORD dwBpp = screen_depth; |
| if (dwBpp == 24) dwBpp = 32; |
| devmode->dmDisplayFlags = 0; |
| devmode->dmDisplayFrequency = 0; |
| devmode->dmSize = sizeof(DEVMODEW); |
| if (n == ENUM_CURRENT_SETTINGS) |
| { |
| TRACE("mode %ld (current) -- getting current mode (%s)\n", n, handler_name); |
| n = pGetCurrentMode(); |
| } |
| if (n == ENUM_REGISTRY_SETTINGS) |
| { |
| TRACE("mode %ld (registry) -- getting default mode (%s)\n", n, handler_name); |
| n = dd_mode_default; |
| } |
| 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); |
| if (devmode->dmDisplayFrequency) |
| { |
| devmode->dmFields |= DM_DISPLAYFREQUENCY; |
| TRACE("mode %ld -- %ldx%ldx%ldbpp @%ld Hz (%s)\n", n, |
| devmode->dmPelsWidth, devmode->dmPelsHeight, devmode->dmBitsPerPel, |
| devmode->dmDisplayFrequency, handler_name); |
| } |
| else |
| { |
| TRACE("mode %ld -- %ldx%ldx%ldbpp (%s)\n", n, |
| devmode->dmPelsWidth, devmode->dmPelsHeight, devmode->dmBitsPerPel, |
| handler_name); |
| } |
| return TRUE; |
| } |
| TRACE("mode %ld -- not present (%s)\n", n, handler_name); |
| 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 X11DRV_ChangeDisplaySettingsEx( LPCWSTR devname, LPDEVMODEW devmode, |
| HWND hwnd, DWORD flags, LPVOID lpvoid ) |
| { |
| DWORD i, dwBpp; |
| DEVMODEW dm; |
| |
| TRACE("(%s,%p,%p,0x%08lx,%p)\n",debugstr_w(devname),devmode,hwnd,flags,lpvoid); |
| TRACE("flags=%s\n",_CDS_flags(flags)); |
| if (devmode) |
| { |
| TRACE("DM_fields=%s\n",_DM_fields(devmode->dmFields)); |
| TRACE("width=%ld height=%ld bpp=%ld freq=%ld (%s)\n", |
| devmode->dmPelsWidth,devmode->dmPelsHeight, |
| devmode->dmBitsPerPel,devmode->dmDisplayFrequency, handler_name); |
| } |
| else |
| { |
| TRACE("Return to original display mode (%s)\n", handler_name); |
| if (!X11DRV_EnumDisplaySettingsEx(devname, dd_mode_default, &dm, 0)) |
| { |
| ERR("Default mode not found!\n"); |
| return DISP_CHANGE_BADMODE; |
| } |
| devmode = &dm; |
| } |
| dwBpp = (devmode->dmBitsPerPel == 24) ? 32 : devmode->dmBitsPerPel; |
| |
| 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)) |
| { |
| if (devmode->dmDisplayFrequency != dd_modes[i].wRefreshRate) |
| continue; |
| } |
| /* we have a valid mode */ |
| TRACE("Requested display settings match mode %ld (%s)\n", i, handler_name); |
| if (!(flags & CDS_TEST)) |
| pSetCurrentMode(i); |
| return DISP_CHANGE_SUCCESSFUL; |
| } |
| |
| /* no valid modes found */ |
| ERR("No matching mode found! (%s)\n", handler_name); |
| return DISP_CHANGE_BADMODE; |
| } |
| |
| |
| |
| |
| /*********************************************************************** |
| * DirectDraw HAL interface |
| * |
| */ |
| static DWORD PASCAL X11DRV_Settings_SetMode(LPDDHAL_SETMODEDATA data) |
| { |
| TRACE("Mode %ld requested by DDHAL (%s)\n", data->dwModeIndex, handler_name); |
| pSetCurrentMode(data->dwModeIndex); |
| X11DRV_DDHAL_SwitchMode(data->dwModeIndex, NULL, NULL); |
| data->ddRVal = DD_OK; |
| 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; |
| } |
