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wine/dlls/winex11.drv/settings.c

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/*
* 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 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 = sizeof(DEVMODEW);
devmode->dmSpecVersion = MAKEWORD(1,4);
devmode->dmDriverVersion = MAKEWORD(1,4);
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);
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 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;
}
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