/***********************************************************************
* ChangeDisplaySettingsExW (USER32.@)
*/
LONG WINAPI ChangeDisplaySettingsExW(
LPCWSTR devname, LPDEVMODEW devmode, HWND hwnd, DWORD flags,
LPARAM lparam
)
{
DEVMODEA devmodeA;
BOOL ret;
DWORD len = WideCharToMultiByte( CP_ACP, 0, devname, -1, NULL, 0, NULL, NULL );
LPSTR nameA = HeapAlloc( GetProcessHeap(), 0, len );
memset(&devmodeA, 0, sizeof(DEVMODEA));
WideCharToMultiByte( CP_ACP, 0, devname, -1, nameA, len, NULL, NULL );
devmodeA.dmDeviceName[0] = 0;
if (devmode)
{
devmodeA.dmBitsPerPel = devmode->dmBitsPerPel;
devmodeA.dmPelsHeight = devmode->dmPelsHeight;
devmodeA.dmPelsWidth = devmode->dmPelsWidth;
devmodeA.dmDisplayFlags = devmode->dmDisplayFlags;
devmodeA.dmDisplayFrequency = devmode->dmDisplayFrequency;
devmodeA.dmFields = devmode->dmFields;
}
ret = ChangeDisplaySettingsExA(nameA, &devmodeA, hwnd, flags, lparam);
HeapFree(GetProcessHeap(),0,nameA);
return ret;
}
/* MAKE_EXPORT ChangeDisplaySettingsExW_new=ChangeDisplaySettingsExW */
LONG WINAPI ChangeDisplaySettingsExW_new(LPCWSTR lpszDeviceName, LPDEVMODEW lpDevMode, HWND hwnd, DWORD dwflags, LPVOID lParam)
{
DEVMODEA DevModeA;
LPCSTR lpszDeviceNameA = NULL;
LPSTR lpFormName = NULL;
LPSTR lpDeviceName = NULL;
if(lpszDeviceName != NULL)
STACK_WtoA(lpszDeviceName, lpszDeviceNameA);
memcpy(&DevModeA, lpDevMode, sizeof(DEVMODEA));
if(!IsBadUnicodeStringPtr(lpDevMode->dmDeviceName, -1))
STACK_WtoA(lpDevMode->dmDeviceName, lpDeviceName);
if(!IsBadUnicodeStringPtr(lpDevMode->dmFormName, -1))
STACK_WtoA(lpDevMode->dmFormName, lpFormName);
if(lpDeviceName != NULL)
strcpy((char*)DevModeA.dmDeviceName, lpDeviceName);
if(lpFormName != NULL)
strcpy((char*)DevModeA.dmFormName, lpFormName);
return ChangeDisplaySettingsExA(lpszDeviceNameA, &DevModeA, hwnd, dwflags, lParam);
}
//--------------------------------------------------------------------------
bool WindowsVideoDevice::_SetDisplayMode(VeVideoDisplay* pkDisplay,
VeDisplayMode* pkMode) noexcept
{
VeDisplayData* pkDisplayData = (VeDisplayData*)pkDisplay->m_spDriverData;
VeDisplayModeData* pkData = (VeDisplayModeData*)pkMode->m_spDriverData;
LONG status;
status = ChangeDisplaySettingsExA(pkDisplayData->DeviceName,
&pkData->DeviceMode, nullptr, CDS_FULLSCREEN, nullptr);
if (status != DISP_CHANGE_SUCCESSFUL)
{
const VeChar8* pcReason = "Unknown reason";
switch (status) {
case DISP_CHANGE_BADFLAGS:
pcReason = "DISP_CHANGE_BADFLAGS";
break;
case DISP_CHANGE_BADMODE:
pcReason = "DISP_CHANGE_BADMODE";
break;
case DISP_CHANGE_BADPARAM:
pcReason = "DISP_CHANGE_BADPARAM";
break;
case DISP_CHANGE_FAILED:
pcReason = "DISP_CHANGE_FAILED";
break;
}
VeDebugOutputCore("ChangeDisplaySettingsEx() failed: %s", pcReason);
return false;
}
EnumDisplaySettingsA(pkDisplayData->DeviceName, ENUM_CURRENT_SETTINGS, &pkData->DeviceMode);
return true;
}
static int Win32_SetVideoModeOnScreen(SST_DisplayTarget target, size_t screenIndex, const SST_VideoMode* vmode)
{
DEVMODEA devMode;
SST_DisplayTarget_Win32* displayTarget = (SST_DisplayTarget_Win32*)target;
const DISPLAY_DEVICEA* dev = &displayTarget->devs[screenIndex];
memset(&devMode, 0, sizeof(devMode));
devMode.dmSize = sizeof(devMode);
devMode.dmBitsPerPel = vmode->bpp;
devMode.dmPelsWidth = vmode->width;
devMode.dmPelsHeight = vmode->height;
devMode.dmDisplayFrequency = vmode->refreshRate;
devMode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY;
return (ChangeDisplaySettingsExA(dev->DeviceName, &devMode, NULL, CDS_FULLSCREEN, NULL) == DISP_CHANGE_SUCCESSFUL);
}
/***********************************************************************
* ChangeDisplaySettingsA (USER32.@)
*/
LONG WINAPI ChangeDisplaySettingsA( LPDEVMODEA devmode, DWORD flags )
{
TRACE_(system)("%p,0x%08lx\n", devmode, flags);
return ChangeDisplaySettingsExA( NULL, devmode, 0, flags, 0 );
}