/***********************************************************************
* 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;
}
/***********************************************************************
* ChangeDisplaySettingsEx (MACDRV.@)
*
*/
LONG CDECL macdrv_ChangeDisplaySettingsEx(LPCWSTR devname, LPDEVMODEW devmode,
HWND hwnd, DWORD flags, LPVOID lpvoid)
{
LONG ret = DISP_CHANGE_BADMODE;
int bpp;
DEVMODEW dm;
BOOL def_mode = TRUE;
struct macdrv_display *displays;
int num_displays;
CFArrayRef display_modes;
CFIndex count, i, safe, best;
CGDisplayModeRef best_display_mode;
uint32_t best_io_flags;
TRACE("%s %p %p 0x%08x %p\n", debugstr_w(devname), devmode, hwnd, flags, lpvoid);
init_original_display_mode();
if (devmode)
{
/* this is the minimal dmSize that XP accepts */
if (devmode->dmSize < FIELD_OFFSET(DEVMODEW, dmFields))
return DISP_CHANGE_FAILED;
if (devmode->dmSize >= FIELD_OFFSET(DEVMODEW, dmFields) + sizeof(devmode->dmFields))
{
if (((devmode->dmFields & DM_BITSPERPEL) && devmode->dmBitsPerPel) ||
((devmode->dmFields & DM_PELSWIDTH) && devmode->dmPelsWidth) ||
((devmode->dmFields & DM_PELSHEIGHT) && devmode->dmPelsHeight) ||
((devmode->dmFields & DM_DISPLAYFREQUENCY) && devmode->dmDisplayFrequency))
def_mode = FALSE;
}
}
if (def_mode)
{
if (!macdrv_EnumDisplaySettingsEx(devname, ENUM_REGISTRY_SETTINGS, &dm, 0))
{
ERR("Default mode not found!\n");
return DISP_CHANGE_BADMODE;
}
TRACE("Return to original display mode\n");
devmode = &dm;
}
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;
}
if (macdrv_get_displays(&displays, &num_displays))
return DISP_CHANGE_FAILED;
display_modes = copy_display_modes(displays[0].displayID);
if (!display_modes)
{
macdrv_free_displays(displays);
return DISP_CHANGE_FAILED;
}
bpp = get_default_bpp();
if ((devmode->dmFields & DM_BITSPERPEL) && devmode->dmBitsPerPel != bpp)
TRACE("using default %d bpp instead of caller's request %d bpp\n", bpp, devmode->dmBitsPerPel);
TRACE("looking for %dx%dx%dbpp @%d Hz",
(devmode->dmFields & DM_PELSWIDTH ? devmode->dmPelsWidth : 0),
(devmode->dmFields & DM_PELSHEIGHT ? devmode->dmPelsHeight : 0),
bpp,
(devmode->dmFields & DM_DISPLAYFREQUENCY ? devmode->dmDisplayFrequency : 0));
if (devmode->dmFields & DM_DISPLAYFIXEDOUTPUT)
TRACE(" %sstretched", devmode->dmDisplayFixedOutput == DMDFO_STRETCH ? "" : "un");
if (devmode->dmFields & DM_DISPLAYFLAGS)
TRACE(" %sinterlaced", devmode->dmDisplayFlags & DM_INTERLACED ? "" : "non-");
TRACE("\n");
safe = -1;
best_display_mode = NULL;
count = CFArrayGetCount(display_modes);
for (i = 0; i < count; i++)
{
CGDisplayModeRef display_mode = (CGDisplayModeRef)CFArrayGetValueAtIndex(display_modes, i);
uint32_t io_flags = CGDisplayModeGetIOFlags(display_mode);
int mode_bpp = display_mode_bits_per_pixel(display_mode);
size_t width = CGDisplayModeGetWidth(display_mode);
size_t height = CGDisplayModeGetHeight(display_mode);
if (!(io_flags & kDisplayModeValidFlag) || !(io_flags & kDisplayModeSafeFlag))
continue;
safe++;
if (bpp != mode_bpp)
continue;
if (devmode->dmFields & DM_PELSWIDTH)
{
if (devmode->dmPelsWidth != width)
continue;
}
if (devmode->dmFields & DM_PELSHEIGHT)
{
if (devmode->dmPelsHeight != height)
continue;
}
if ((devmode->dmFields & DM_DISPLAYFREQUENCY) && devmode->dmDisplayFrequency != 0)
{
double refresh_rate = CGDisplayModeGetRefreshRate(display_mode);
if (!refresh_rate)
refresh_rate = 60;
if (devmode->dmDisplayFrequency != (DWORD)refresh_rate)
continue;
}
if (devmode->dmFields & DM_DISPLAYFLAGS)
{
if (!(devmode->dmDisplayFlags & DM_INTERLACED) != !(io_flags & kDisplayModeInterlacedFlag))
continue;
}
else if (best_display_mode)
{
if (io_flags & kDisplayModeInterlacedFlag && !(best_io_flags & kDisplayModeInterlacedFlag))
continue;
else if (!(io_flags & kDisplayModeInterlacedFlag) && best_io_flags & kDisplayModeInterlacedFlag)
goto better;
}
if (devmode->dmFields & DM_DISPLAYFIXEDOUTPUT)
{
if (!(devmode->dmDisplayFixedOutput == DMDFO_STRETCH) != !(io_flags & kDisplayModeStretchedFlag))
continue;
}
else if (best_display_mode)
{
if (io_flags & kDisplayModeStretchedFlag && !(best_io_flags & kDisplayModeStretchedFlag))
continue;
else if (!(io_flags & kDisplayModeStretchedFlag) && best_io_flags & kDisplayModeStretchedFlag)
goto better;
}
if (best_display_mode)
continue;
better:
best_display_mode = display_mode;
best = safe;
best_io_flags = io_flags;
}
if (best_display_mode)
{
/* we have a valid mode */
TRACE("Requested display settings match mode %ld\n", best);
if ((flags & CDS_UPDATEREGISTRY) && !write_registry_settings(devmode))
{
WARN("Failed to update registry\n");
ret = DISP_CHANGE_NOTUPDATED;
}
else if (flags & (CDS_TEST | CDS_NORESET))
ret = DISP_CHANGE_SUCCESSFUL;
else if (macdrv_set_display_mode(&displays[0], best_display_mode))
{
int mode_bpp = display_mode_bits_per_pixel(best_display_mode);
size_t width = CGDisplayModeGetWidth(best_display_mode);
size_t height = CGDisplayModeGetHeight(best_display_mode);
SendMessageW(GetDesktopWindow(), WM_MACDRV_UPDATE_DESKTOP_RECT, mode_bpp,
MAKELPARAM(width, height));
ret = DISP_CHANGE_SUCCESSFUL;
}
else
{
WARN("Failed to set display mode\n");
ret = DISP_CHANGE_FAILED;
}
}
else
{
/* no valid modes found */
ERR("No matching mode found %ux%ux%d @%u!\n", devmode->dmPelsWidth, devmode->dmPelsHeight,
bpp, devmode->dmDisplayFrequency);
}
CFRelease(display_modes);
macdrv_free_displays(displays);
return ret;
}
