int get_screen_info(int id, _TCHAR* name, int* width, int* height, int* bpp)
{
DISPLAY_DEVICE dd;
memset(&dd, 0, sizeof(DISPLAY_DEVICE));
dd.cb = sizeof(DISPLAY_DEVICE);
if (EnumDisplayDevices(NULL, id, &dd, 0) != 0)
{
HDC dc;
if (name != NULL)
_stprintf(name, _T("%s (%s)"), dd.DeviceName, dd.DeviceString);
dc = CreateDC(dd.DeviceName, NULL, NULL, NULL);
*width = GetDeviceCaps(dc, HORZRES);
*height = GetDeviceCaps(dc, VERTRES);
*bpp = GetDeviceCaps(dc, BITSPIXEL);
//ReleaseDC(NULL, dc);
DeleteDC(dc);
}
else
{
return 0;
}
return 1;
}
int _tmain(int argc, _TCHAR* argv[])
{
int deviceIndex=0;
int result;
DWORD bpp=16;
do
{
PDISPLAY_DEVICE displayDevice = new DISPLAY_DEVICE();
displayDevice->cb = sizeof(DISPLAY_DEVICE);
result = EnumDisplayDevices(NULL,
deviceIndex++, displayDevice, 0);
if (displayDevice->StateFlags & DISPLAY_DEVICE_ACTIVE)
{
PDISPLAY_DEVICE monitor = new DISPLAY_DEVICE();
monitor->cb = sizeof(DISPLAY_DEVICE);
EnumDisplayDevices(displayDevice->DeviceName,
0, monitor, 0);
PDEVMODE dm = new DEVMODE();
if ( EnumDisplaySettings(displayDevice->DeviceName,
ENUM_CURRENT_SETTINGS, dm) )
{
dm->dmBitsPerPel=(DWORD)bpp;
ChangeDisplaySettingsEx(displayDevice->DeviceName, dm, \
NULL, (CDS_GLOBAL | CDS_UPDATEREGISTRY | CDS_RESET), NULL);
}
}
} while (result);
return 0;
}
/*
========================
GetDisplayCoordinates
========================
*/
static bool GetDisplayCoordinates( const int deviceNum, int & x, int & y, int & width, int & height, int & displayHz ) {
idStr deviceName = GetDeviceName( deviceNum );
if ( deviceName.Length() == 0 ) {
return false;
}
DISPLAY_DEVICE device = {};
device.cb = sizeof( device );
if ( !EnumDisplayDevices(
0, // lpDevice
deviceNum,
&device,
0 /* dwFlags */ ) ) {
return false;
}
DISPLAY_DEVICE monitor;
monitor.cb = sizeof( monitor );
if ( !EnumDisplayDevices(
deviceName.c_str(),
0,
&monitor,
0 /* dwFlags */ ) ) {
return false;
}
DEVMODE devmode;
devmode.dmSize = sizeof( devmode );
if ( !EnumDisplaySettings( deviceName.c_str(),ENUM_CURRENT_SETTINGS, &devmode ) ) {
return false;
}
common->Printf( "display device: %i\n", deviceNum );
common->Printf( " DeviceName : %s\n", device.DeviceName );
common->Printf( " DeviceString: %s\n", device.DeviceString );
common->Printf( " StateFlags : 0x%x\n", device.StateFlags );
common->Printf( " DeviceID : %s\n", device.DeviceID );
common->Printf( " DeviceKey : %s\n", device.DeviceKey );
common->Printf( " DeviceName : %s\n", monitor.DeviceName );
common->Printf( " DeviceString: %s\n", monitor.DeviceString );
common->Printf( " StateFlags : 0x%x\n", monitor.StateFlags );
common->Printf( " DeviceID : %s\n", monitor.DeviceID );
common->Printf( " DeviceKey : %s\n", monitor.DeviceKey );
common->Printf( " dmPosition.x : %i\n", devmode.dmPosition.x );
common->Printf( " dmPosition.y : %i\n", devmode.dmPosition.y );
common->Printf( " dmBitsPerPel : %i\n", devmode.dmBitsPerPel );
common->Printf( " dmPelsWidth : %i\n", devmode.dmPelsWidth );
common->Printf( " dmPelsHeight : %i\n", devmode.dmPelsHeight );
common->Printf( " dmDisplayFlags : 0x%x\n", devmode.dmDisplayFlags );
common->Printf( " dmDisplayFrequency: %i\n", devmode.dmDisplayFrequency );
x = devmode.dmPosition.x;
y = devmode.dmPosition.y;
width = devmode.dmPelsWidth;
height = devmode.dmPelsHeight;
displayHz = devmode.dmDisplayFrequency;
return true;
}
bool GetWindowsMonitorSize( int *width, int *height)
{
int WidthMm = 0;
int HeightMm = 0;
DISPLAY_DEVICE dd;
dd.cb = sizeof(dd);
DWORD dev = 0; // device index
int id = 1; // monitor number, as used by Display Properties > Settings
wxString DeviceID;
bool bFoundDevice = false;
while (EnumDisplayDevices(0, dev, &dd, 0) && !bFoundDevice)
{
DISPLAY_DEVICE ddMon;
ZeroMemory(&ddMon, sizeof(ddMon));
ddMon.cb = sizeof(ddMon);
DWORD devMon = 0;
while (EnumDisplayDevices(dd.DeviceName, devMon, &ddMon, 0) && !bFoundDevice)
{
if (ddMon.StateFlags & DISPLAY_DEVICE_ACTIVE &&
!(ddMon.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER))
{
DeviceID = wxString(ddMon.DeviceID, wxConvUTF8);
DeviceID = DeviceID.Mid (8);
DeviceID = DeviceID.Mid (0, DeviceID.Find ( '\\' ));
bFoundDevice = GetSizeForDevID(DeviceID, &WidthMm, &HeightMm);
}
devMon++;
ZeroMemory(&ddMon, sizeof(ddMon));
ddMon.cb = sizeof(ddMon);
}
ZeroMemory(&dd, sizeof(dd));
dd.cb = sizeof(dd);
dev++;
}
if(width)
*width = WidthMm;
if(height)
*height = HeightMm;
return bFoundDevice;
}
BOOL CMonitorManager::GetMonitorResolution(HWND hWnd, long *lResoluteW, long *lResoluteH)
{
HMONITOR hm = MonitorFromWindow(hWnd, MONITOR_DEFAULTTONEAREST);
BOOL bFindMonitor = FALSE;
for(int i = 0; i < m_MonitorList.size(); i++)
{
if (hm == m_MonitorList[i].hMonitor)
{
bFindMonitor = TRUE;
break;
}
}
if (!bFindMonitor) return FALSE;
DISPLAY_DEVICE dd;
ZeroMemory(&dd, sizeof(DISPLAY_DEVICE));
dd.cb = sizeof(DISPLAY_DEVICE);
bFindMonitor = EnumDisplayDevices(NULL, i, &dd, 0);
if (!bFindMonitor) return FALSE;
DEVMODE dm;
ZeroMemory(&dm, sizeof(DEVMODE));
dm.dmSize = sizeof(dm);
bFindMonitor = EnumDisplaySettings((char*)dd.DeviceName, ENUM_CURRENT_SETTINGS, &dm);
if (!bFindMonitor) return FALSE;
*lResoluteW = dm.dmPelsWidth;
*lResoluteH = dm.dmPelsHeight;
return TRUE;
}
//--------------------------------------------------------------------------
VE_BOOL VeWindows::AddDisplay(LPSTR DeviceName)
{
VeDevice::VideoDisplay kDisplay;
DisplayData* pkDisplayData;
VeDevice::DisplayMode kMode;
DISPLAY_DEVICE kDevice;
if(!GetDisplayMode(DeviceName, ENUM_CURRENT_SETTINGS, &kMode))
{
return VE_FALSE;
}
pkDisplayData = VE_NEW DisplayData;
if(!pkDisplayData)
{
return VE_FALSE;
}
VeStrcpy(pkDisplayData->m_acDeviceName, DeviceName);
kDevice.cb = sizeof(kDevice);
if (EnumDisplayDevices(DeviceName, 0, &kDevice, 0))
{
kDisplay.m_kName = kDevice.DeviceString;
}
kDisplay.m_kDesktopMode = kMode;
kDisplay.m_kCurrentMode = kMode;
kDisplay.m_spDriverData = pkDisplayData;
m_kDisplays.PushBack(kDisplay);
return VE_TRUE;
}
static BOOL Rotate( int iDevNum, SHORT dmOrientation )
{
DISPLAY_DEVICE d;
DEVMODE dm;
int w;
LONG r;
ZeroMemory( &d, sizeof( d ) );
d.cb = sizeof( d );
if( !EnumDisplayDevices( NULL, iDevNum, &d, 0 ) ) {
DebugMsg( _T("EnumDisplayDevices failed:%d\r\n" ), GetLastError() );
return FALSE;
}
if( !EnumDisplaySettings( d.DeviceName, ENUM_CURRENT_SETTINGS, &dm ) ){
DebugMsg( _T("EnumDisplaySettings(\"%s\") failed:%d\r\n" ), d.DeviceName, GetLastError() );
return FALSE;
}
if( dm.dmDisplayOrientation == dmOrientation ) return TRUE;
w = dm.dmPelsHeight;
dm.dmPelsHeight = dm.dmPelsWidth;
dm.dmPelsWidth = w;
dm.dmDisplayOrientation = dmOrientation;
r = ChangeDisplaySettingsEx( d.DeviceName, &dm, NULL, CDS_UPDATEREGISTRY, NULL );
if( r != DISP_CHANGE_SUCCESSFUL ){
DebugMsg( _T("ChangeDisplaySettingsEx failed:%d\r\n"), r );
return FALSE;
}
return TRUE;
}
bool output_device_enumerator_win32::enumerate_device(gl::output_device_descriptor& desc, const std::string& name)
{
_issues.push_back(std::string("output_device_enumerator_win32::enumerate_device(): {"));
DISPLAY_DEVICE disp_device;
disp_device.cb = sizeof(DISPLAY_DEVICE);
unsigned dev_index = 0;
bool found_dev = false;
while (!found_dev && EnumDisplayDevices(NULL, dev_index, &disp_device, 0)) {
if (name == std::string(disp_device.DeviceName)) {
found_dev = true;
}
else {
dev_index++;
}
}
if (found_dev) {
return (this->enumerate_device(desc, dev_index));
}
else {
_issues.push_back(std::string("\tError: unable to find device: ") + name);
return (false);
}
}
int win_shadow_enum_monitors(MONITOR_DEF* monitors, int maxMonitors)
{
HDC hdc;
int index;
int desktopWidth;
int desktopHeight;
DWORD iDevNum = 0;
int numMonitors = 0;
MONITOR_DEF* monitor;
DISPLAY_DEVICE displayDevice;
ZeroMemory(&displayDevice, sizeof(DISPLAY_DEVICE));
displayDevice.cb = sizeof(DISPLAY_DEVICE);
if (EnumDisplayDevices(NULL, iDevNum, &displayDevice, 0))
{
hdc = CreateDC(displayDevice.DeviceName, NULL, NULL, NULL);
desktopWidth = GetDeviceCaps(hdc, HORZRES);
desktopHeight = GetDeviceCaps(hdc, VERTRES);
index = 0;
numMonitors = 1;
monitor = &monitors[index];
monitor->left = 0;
monitor->top = 0;
monitor->right = desktopWidth;
monitor->bottom = desktopHeight;
monitor->flags = 1;
DeleteDC(hdc);
}
return numMonitors;
}
HRESULT CSystemInfo::GetDisplayInfo(CString& strDisplay)
{
DISPLAY_DEVICE displayInfo;
DWORD dwIndex = 0;
displayInfo.cb = sizeof(DISPLAY_DEVICE);
displayInfo.StateFlags = 0;
while (EnumDisplayDevices(NULL, dwIndex, &displayInfo, NULL))
{
dwIndex++;
if (0 == _tcslen(displayInfo.DeviceID))
{
continue;
}
if (strDisplay.GetLength() > 0)
{
strDisplay.Append("&");
}
strDisplay.Append(displayInfo.DeviceString);
}
return S_OK;
}
BOOL CMirageManager::LookupDisplayDevices(DISPLAY_DEVICE& deviceInfo, DWORD& deviceNumber, bool bShouldLog)
{
memset(&deviceInfo, 0, sizeof(deviceInfo));
deviceInfo.cb = sizeof(deviceInfo);
deviceNumber = 0;
BOOL result = FALSE;
std::wstring dataStream(_T(""));
while (result = EnumDisplayDevices(NULL, deviceNumber, &deviceInfo, 0))
{
if (bShouldLog)
{
dataStream.append(_T("Detected Device :: "));
dataStream.append(deviceInfo.DeviceName);
dataStream.append(_T(" - "));
dataStream.append(deviceInfo.DeviceString);
CMirageManager::WriteDiagnostics(dataStream);
dataStream.clear();
}
if (wcscmp(deviceInfo.DeviceString, DRIVER_NAME) == 0)
{
result = TRUE;
break;
}
++deviceNumber;
}
return result;
}
void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
{
HDC dc;
WORD values[768];
DISPLAY_DEVICE display;
if (ramp->size != 256)
{
_glfwInputError(GLFW_PLATFORM_ERROR,
"Win32: Gamma ramp size must be 256");
return;
}
memcpy(values + 0, ramp->red, 256 * sizeof(unsigned short));
memcpy(values + 256, ramp->green, 256 * sizeof(unsigned short));
memcpy(values + 512, ramp->blue, 256 * sizeof(unsigned short));
ZeroMemory(&display, sizeof(DISPLAY_DEVICE));
display.cb = sizeof(DISPLAY_DEVICE);
EnumDisplayDevices(monitor->win32.name, 0, &display, 0);
dc = CreateDC(L"DISPLAY", display.DeviceString, NULL, NULL);
SetDeviceGammaRamp(dc, values);
DeleteDC(dc);
}
//************************************
// 函数名称: GetMonitorDisplayDevice
// 返回类型: DISPLAY_DEVICE&
// 参数信息: DWORD _MonitorIndex
// 函数说明:
//************************************
DISPLAY_DEVICE& DuiMonitor::GetMonitorDisplayDevice( DWORD _MonitorIndex /*= 1*/ )
{
static DISPLAY_DEVICE mDisplayDevice;
memset(&mDisplayDevice,0, sizeof(mDisplayDevice));
if(_MonitorIndex <= 0 || _MonitorIndex > GetMonitorCount())
return mDisplayDevice;
DEVMODE mDevMode;
memset(&mDevMode,0, sizeof(mDevMode));
DWORD mCheckCount = 0,mMonitorCount = 0;
while(mMonitorCount != _MonitorIndex)
{
mDisplayDevice.cb = sizeof(DISPLAY_DEVICE);
if(EnumDisplayDevices(NULL, mCheckCount, &mDisplayDevice,0) == FALSE)
break;
if(EnumDisplaySettings(mDisplayDevice.DeviceName,ENUM_CURRENT_SETTINGS,&mDevMode))
mMonitorCount++;
mCheckCount++;
}
return mDisplayDevice;
}
BOOL DetectVirtualMonitor(BOOL log)
{
INT devNum = 0;
DISPLAY_DEVICE displayDevice;
BOOL result;
BOOL bFound = FALSE;
FillMemory(&displayDevice, sizeof(DISPLAY_DEVICE), 0);
displayDevice.cb = sizeof(DISPLAY_DEVICE);
// First enumerate for Primary display device:
while ((result = EnumDisplayDevices(NULL, devNum, &displayDevice, 0))) {
if (log) {
logInfo("%s, %s %s \n",
&displayDevice.DeviceString[0],
&displayDevice.DeviceName[0],
&displayDevice.DeviceID[0]/*,
&displayDevice.DeviceKey[0]*/);
}
if (strcmp(&displayDevice.DeviceID[0], DRIVER_NAME) == 0) {
bFound = TRUE;
if (!log)
break;
}
devNum++;
}
return bFound;
}
static SDL_bool
WIN_AddDisplay(_THIS, LPTSTR DeviceName)
{
SDL_VideoDisplay display;
SDL_DisplayData *displaydata;
SDL_DisplayMode mode;
DISPLAY_DEVICE device;
#ifdef DEBUG_MODES
printf("Display: %s\n", WIN_StringToUTF8(DeviceName));
#endif
if (!WIN_GetDisplayMode(_this, DeviceName, ENUM_CURRENT_SETTINGS, &mode)) {
return SDL_FALSE;
}
displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata));
if (!displaydata) {
return SDL_FALSE;
}
SDL_memcpy(displaydata->DeviceName, DeviceName,
sizeof(displaydata->DeviceName));
SDL_zero(display);
device.cb = sizeof(device);
if (EnumDisplayDevices(DeviceName, 0, &device, 0)) {
display.name = WIN_StringToUTF8(device.DeviceString);
}
display.desktop_mode = mode;
display.current_mode = mode;
display.driverdata = displaydata;
SDL_AddVideoDisplay(&display);
SDL_free(display.name);
return SDL_TRUE;
}
// set fullscreen (for opengl)
int scrnSetFull(const bool& full)
{
if (full) {
DISPLAY_DEVICE dev;
memset(&dev, 0, sizeof(dev));
dev.cb = sizeof(dev);
EnumDisplayDevices(NULL, nVidAdapter, &dev, 0);
DEVMODE mode;
memset(&mode, 0, sizeof(mode));
mode.dmSize = sizeof(mode);
mode.dmBitsPerPel = nVidScrnDepth;
mode.dmPelsWidth = nVidScrnWidth;
mode.dmPelsHeight = nVidScrnHeight;
mode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
LONG ret = ChangeDisplaySettingsEx(dev.DeviceName, &mode, NULL, CDS_FULLSCREEN, NULL);
if (ret != DISP_CHANGE_SUCCESSFUL) {
return 1;
}
SetWindowPos(hScrnWnd, NULL, 0, 0, nVidScrnWidth, nVidScrnHeight, SWP_NOZORDER | SWP_NOACTIVATE);
// MoveWindow(hScrnWnd, 0, 0, nVidScrnWidth, nVidScrnHeight, FALSE);
ShowWindow(hScrnWnd, SW_NORMAL);
bFakeFullscreen = false;
} else {
ChangeDisplaySettingsEx(NULL, NULL, NULL, 0, NULL);
}
return 0;
}
//************************************
// 函数名称: GetMonitorCount
// 返回类型: DWORD
// 参数信息: bool _bReCheck
// 函数说明:
//************************************
DWORD DuiMonitor::GetMonitorCount(bool _bReCheck/* = false*/)
{
static DWORD mMonitorCount = 0;
if(mMonitorCount && !_bReCheck)
return mMonitorCount;
DEVMODE mDevMode;
memset(&mDevMode,0, sizeof(mDevMode));
DISPLAY_DEVICE mDisplayDevice;
DWORD mCheckCount = 0;
while(true)
{
memset(&mDisplayDevice,0, sizeof(mDisplayDevice));
mDisplayDevice.cb = sizeof(DISPLAY_DEVICE);
if(EnumDisplayDevices(NULL, mCheckCount, &mDisplayDevice,0) == FALSE)
break;
if(EnumDisplaySettings(mDisplayDevice.DeviceName,ENUM_CURRENT_SETTINGS,&mDevMode))
mMonitorCount++;
mCheckCount++;
}
return mMonitorCount;
}
HDC Pipe::createWGLDisplayDC()
{
uint32_t device = getPipe()->getDevice();
if( device == EQ_UNDEFINED_UINT32 )
device = 0;
DISPLAY_DEVICE devInfo;
devInfo.cb = sizeof( devInfo );
if( !EnumDisplayDevices( 0, device, &devInfo, 0 ))
{
setError( ERROR_WGLPIPE_ENUMDISPLAYS_FAILED );
EQWARN << getError() << ": " << co::base::sysError << std::endl;
return 0;
}
const HDC displayDC = CreateDC( "DISPLAY", devInfo.DeviceName, 0, 0 );
if( !displayDC )
{
setError( ERROR_WGLPIPE_CREATEDC_FAILED );
EQWARN << getError() << ": " << co::base::sysError << std::endl;
return 0;
}
return displayDC;
}
void COpenGL::EnumModes(std::vector<dMode> *modeVector)
{
DISPLAY_DEVICE dd;
dd.cb = sizeof(dd);
DWORD dev = 0;
int iMode = 0;
dMode mode;
while (EnumDisplayDevices(0, dev, &dd, 0))
{
if (!(dd.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER) && (dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE))
{
DEVMODE dm;
memset(&dm, 0, sizeof(dm));
dm.dmSize = sizeof(dm);
iMode = 0;
while(EnumDisplaySettings(dd.DeviceName,iMode,&dm)) {
if(dm.dmBitsPerPel>=16) {
mode.width = dm.dmPelsWidth;
mode.height = dm.dmPelsHeight;
mode.rate = dm.dmDisplayFrequency;
mode.depth = dm.dmBitsPerPel;
modeVector->push_back(mode);
}
iMode++;
}
}
dev++;
}
}
nsresult nsSystemInfo::Init()
{
DISPLAY_DEVICE lpDisplayDevice;
lpDisplayDevice.cb = sizeof(lpDisplayDevice);
int deviceIndex = 0;
while (EnumDisplayDevices(NULL, deviceIndex, &lpDisplayDevice, 0)) {
if (lpDisplayDevice.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
break;
deviceIndex++;
}
mDeviceKey = lpDisplayDevice.DeviceKey;
mDeviceID = lpDisplayDevice.DeviceID;
mDeviceString.AssignLiteral(lpDisplayDevice.DeviceString);
DEVMODE dm;
dm.dmSize = sizeof(dm);
EnumDisplaySettings(lpDisplayDevice.DeviceName, ENUM_CURRENT_SETTINGS, &dm);
mBitsPerPixel = dm.dmBitsPerPel;
mPixelWidth = dm.dmPelsWidth;
mPixelHeight = dm.dmPelsHeight;
getDriverDetails(mDeviceID, mDriverVersion, mDriverDate);
return NS_OK;
}
static bool win_get_monitor_info(int adapter, ALLEGRO_MONITOR_INFO *info)
{
DISPLAY_DEVICE dd;
DEVMODE dm;
memset(&dd, 0, sizeof(dd));
dd.cb = sizeof(dd);
if (!EnumDisplayDevices(NULL, adapter, &dd, 0)) {
return false;
}
memset(&dm, 0, sizeof(dm));
dm.dmSize = sizeof(dm);
if (!EnumDisplaySettings(dd.DeviceName, ENUM_CURRENT_SETTINGS, &dm)) {
return false;
}
ASSERT(dm.dmFields & DM_PELSHEIGHT);
ASSERT(dm.dmFields & DM_PELSWIDTH);
/* Disabled this assertion for now as it fails under Wine 1.2. */
/* ASSERT(dm.dmFields & DM_POSITION); */
info->x1 = dm.dmPosition.x;
info->y1 = dm.dmPosition.y;
info->x2 = info->x1 + dm.dmPelsWidth;
info->y2 = info->y1 + dm.dmPelsHeight;
return true;
}
static int dispApapterInit()
{
if (!hVideoDlg) {
return 1;
}
unsigned int count = 0;
int ret = 0;
DISPLAY_DEVICE dev;
memset(&dev, 0, sizeof(dev));
dev.cb = sizeof(dev);
do {
ret = EnumDisplayDevices(NULL, count, &dev, 0);
if (ret) {
if (dev.StateFlags & DISPLAY_DEVICE_ACTIVE) {
SendDlgItemMessage(hVideoDlg, IDC_PREF_DISPADAPTER, CB_ADDSTRING, 0, (LPARAM)dev.DeviceName);
}
count++;
}
} while (ret);
SendDlgItemMessage(hVideoDlg, IDC_PREF_DISPADAPTER, CB_SETCURSEL, (WPARAM)nVidAdapter, 0);
return 0;
}
__declspec(dllexport) void GetNumberofDisplays(UINT *NumDisplays)
{
*NumDisplays = 0;
BOOL retval;
DEVMODE StoredDevMode;
DISPLAY_DEVICE TempDisplayDeviceStruct;
LPCWSTR AdapterName;
DWORD count = 0;
DWORD modecount = 0;
TempDisplayDeviceStruct.cb = sizeof(DISPLAY_DEVICE);
retval = EnumDisplayDevices(NULL, count, &TempDisplayDeviceStruct, EDD_GET_DEVICE_INTERFACE_NAME);
while (retval)
{
if (TempDisplayDeviceStruct.StateFlags != DISPLAY_DEVICE_MIRRORING_DRIVER)
{
// A mirroring driver is just a pseudo display device that is used internally want to ignore them
// The current display device is at least known to the system. However, if you pull the plug on a
// device, it will still have a DisplayDeviceStruct. But it seems that it has no modes
// associated with it when it cannot be accessed. So, before we know that the device is really available
// make sure that there are some modes that are available.
modecount = 0;
AdapterName = (WCHAR *)&TempDisplayDeviceStruct.DeviceName;
StoredDevMode.dmSize = sizeof(DEVMODE);
StoredDevMode.dmDriverExtra = 0;
retval = EnumDisplaySettings(AdapterName, modecount, (DEVMODE *)&StoredDevMode);
// see if there are at least a couple of modes for this display device
while (retval && modecount <= 2)
{
modecount++;
retval = EnumDisplaySettings(AdapterName, modecount, (DEVMODE *)&StoredDevMode);
}
// If we exited the above loop and were still getting good data, then we have found
// a viable display device
if (retval)
(*NumDisplays)++;
}
// Get the next display device
count++;
TempDisplayDeviceStruct.cb = sizeof(DISPLAY_DEVICE);
retval = EnumDisplayDevices(NULL, count, &TempDisplayDeviceStruct, 0);
}
return;
}
/////////////////////////////////////////////////////////////////////////////
//! Tests if graphics interop is supported on the current system
//! @return CUTTrue if graphics interop is supported
//////////////////////////////////////////////////////////////////////////////
CUTBoolean CUTIL_API
isInteropSupported() {
#ifdef _WIN32
int num_devices = 0;
int dev = 0;
do {
DISPLAY_DEVICE dispDevice;
memset(&dispDevice, 0, sizeof(dispDevice));
dispDevice.cb = sizeof(dispDevice);
if (!EnumDisplayDevices(NULL, dev, &dispDevice, 0))
break;
if ((dispDevice.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) ||
(!(dispDevice.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER) &&
!(dispDevice.StateFlags & DISPLAY_DEVICE_MODESPRUNED)))
++num_devices;
++dev;
} while (dev);
#else // Linux
void* handle = 0;
// NvCfgBool (*ptr_nvCfgGetDevices)( int*, NvCfgDevice**);
typedef NvCfgBool (*nvCfgGetDevicesType)( int*, NvCfgDevice**);
nvCfgGetDevicesType ptr_nvCfgGetDevices;
// acquire handle to shared library
handle = dlopen( "libnvidia-cfg.so", RTLD_LAZY);
if( ! handle) {
// no NVIDIA driver installed
fprintf( stderr, "Cannot find NVIDIA driver.\n" );
fprintf( stderr, "Graphics interoperability not supported.\n" );
return CUTFalse;
}
ptr_nvCfgGetDevices = (nvCfgGetDevicesType)
dlsym( handle, "nvCfgGetDevices");
char* error = 0;
if( 0 != (error = dlerror())) {
fprintf( stderr, "Cannot query number of devices in the system.\n" );
fprintf( stderr, "Graphics interoperability not supported.\n" );
return CUTFalse;
}
// call function
int num_devices;
NvCfgDevice* devs;
(*ptr_nvCfgGetDevices)( &num_devices, &devs);
#endif // _WIN32
if( 1 != num_devices) {
fprintf( stderr, "Graphics interoperability on multi GPU systems currently not supported.\n" );
return CUTFalse;
}
return CUTTrue;
}
/**
* \brief return the name of the selected device if it is indepedant
*/
static char *get_display_name(void) {
DISPLAY_DEVICE disp;
disp.cb = sizeof(disp);
EnumDisplayDevices(NULL, vo_adapter_num, &disp, 0);
if (disp.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)
return NULL;
return disp.DeviceName;
}
// static
HRESULT
D3DPipelineManager::GDICheckForBadHardware()
{
DISPLAY_DEVICE dd;
dd.cb = sizeof(DISPLAY_DEVICE);
int failedDevices = 0;
int attachedDevices = 0;
int i = 0;
WCHAR *id;
WCHAR vendorId[5];
WCHAR deviceId[5];
DWORD dwDId, dwVId;
J2dTraceLn(J2D_TRACE_INFO, "D3DPPLM::GDICheckForBadHardware");
// i<20 is to guard against buggy drivers
while (EnumDisplayDevices(NULL, i, &dd, 0) && i < 20) {
if (dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) {
attachedDevices++;
id = dd.DeviceID;
if (wcslen(id) > 21) {
// get vendor ID
wcsncpy(vendorId, id+8, 4);
int args1 = swscanf(vendorId, L"%X", &dwVId);
// get device ID
wcsncpy(deviceId, id+17, 4);
int args2 = swscanf(deviceId, L"%X", &dwDId);
if (args1 == 1 && args2 == 1) {
J2dTraceLn2(J2D_TRACE_VERBOSE,
" device: vendorID=0x%04x, deviceId=0x%04x",
dwVId, dwDId);
// since we don't have a driver version here we will
// just ask to ignore the version for now; bad hw
// entries with specific drivers information will be
// processed later when d3d is initialized and we can
// obtain a driver version
if (FAILED(CheckForBadHardware(dwVId, dwDId, MAX_VERSION))){
failedDevices++;
}
}
}
}
i++;
}
if (failedDevices == attachedDevices) {
J2dRlsTraceLn(J2D_TRACE_ERROR,
"D3DPPLM::GDICheckForBadHardware: no suitable devices found");
return E_FAIL;
}
return S_OK;
}
static int fullResInit()
{
if (!hVideoDlg) {
return 1;
}
DEVMODE devMode;
devMode.dmSize = sizeof(DEVMODE);
devMode.dmDriverExtra = 0;
DISPLAY_DEVICE device;
device.cb = sizeof(DISPLAY_DEVICE);
EnumDisplayDevices(NULL, nVidAdapter, &device, 0);
// fullscreen res box
// Run through all possible screenmodes and fill the combobox
for (int i = 0; EnumDisplaySettings(device.DeviceName, i, &devMode); i++) {
// We're only interested in 16, 24, or 32 bit modes.
if (devMode.dmBitsPerPel & 0x30) {
long item = 0, itemValue;
long newRes = (devMode.dmPelsWidth << 16) | devMode.dmPelsHeight;
// See if the resolution is already in the combobox
do {
itemValue = SendDlgItemMessage(hVideoDlg, IDC_PREF_FULLSCREENRES, CB_GETITEMDATA, item, 0);
item++;
} while ((itemValue != CB_ERR) && (itemValue != newRes));
// If not, add it
if (itemValue == CB_ERR) {
TCHAR szRes[MAX_PATH];
_stprintf(szRes, _T("%li x %li"), devMode.dmPelsWidth, devMode.dmPelsHeight);
item = SendDlgItemMessage(hVideoDlg, IDC_PREF_FULLSCREENRES, CB_ADDSTRING, 0, (LPARAM)&szRes);
SendDlgItemMessage(hVideoDlg, IDC_PREF_FULLSCREENRES, CB_SETITEMDATA, item, newRes);
}
}
}
// set select
long myRes = (nVidWidth << 16) | nVidHeight;
long count = SendDlgItemMessage(hVideoDlg, IDC_PREF_FULLSCREENRES, CB_GETCOUNT, 0, 0);
long item = 0;
for (long i = 0; i < count; i++) {
item = SendDlgItemMessage(hVideoDlg, IDC_PREF_FULLSCREENRES, CB_GETITEMDATA, i, 0);
if (myRes == item) {
SendDlgItemMessage(hVideoDlg, IDC_PREF_FULLSCREENRES, CB_SETCURSEL, (WPARAM)i, 0);
break;
}
}
// depth
SendDlgItemMessage(hVideoDlg, IDC_PREF_16BIT, BM_SETCHECK, (nVidDepth == 16) ? BST_CHECKED : BST_UNCHECKED, 0);
SendDlgItemMessage(hVideoDlg, IDC_PREF_32BIT, BM_SETCHECK, (nVidDepth == 32) ? BST_CHECKED : BST_UNCHECKED, 0);
return 0;
}
// ディスプレイの位置とサイズを返す
int Window::GetDisplayRect( long displaynum, int *x, int *y, int *width, int *height )
{
DISPLAY_DEVICE disdev;
DEVMODE devmode;
if ( x )
{
*x = 0;
}
if ( y )
{
*y = 0;
}
if ( width )
{
*width = 0;
}
if ( height )
{
*height = 0;
}
memset( &disdev, 0, sizeof( DISPLAY_DEVICE ) );
disdev.cb = sizeof( DISPLAY_DEVICE );
if ( EnumDisplayDevices( NULL, displaynum, &disdev, 0 ) == 0 )
{
// 不正なディスプレイ番号
return 1;
}
memset( &devmode, 0, sizeof( DEVMODE ) );
devmode.dmSize = sizeof( DEVMODE );
if ( EnumDisplaySettingsEx( disdev.DeviceName, /*ENUM_CURRENT_SETTINGS*/ENUM_REGISTRY_SETTINGS, &devmode, EDS_RAWMODE ) == 0 )
{
// 設定を取得できなかった
return 2;
}
if ( x )
{
*x = devmode.dmPosition.x;
}
if ( y )
{
*y = devmode.dmPosition.y;
}
if ( width )
{
*width = devmode.dmPelsWidth;
}
if ( height )
{
*height = devmode.dmPelsHeight;
}
return 0;
}
std::list<DISPLAY_DEVICE> DisplayManager::ListAllDevices() {
std::list<DISPLAY_DEVICE> devs;
DISPLAY_DEVICE dev = {};
dev.cb = sizeof(DISPLAY_DEVICE);
for (int i = 0; EnumDisplayDevices(NULL, i, &dev, NULL) != 0; ++i) {
if (dev.StateFlags & DISPLAY_DEVICE_ACTIVE) {
devs.push_back(dev);
}
}
return devs;
}
int
WIN_InitModes(_THIS)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
DWORD i, j, count;
DISPLAY_DEVICE device;
device.cb = sizeof(device);
for (i = 0;; ++i) {
TCHAR DeviceName[32];
if (!EnumDisplayDevices(NULL, i, &device, 0)) {
break;
}
if (!(device.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)) {
continue;
}
SDL_memcpy(DeviceName, device.DeviceName, sizeof(DeviceName));
#ifdef DEBUG_MODES
printf("Device: %s\n", WIN_StringToUTF8(DeviceName));
#endif
count = 0;
for (j = 0;; ++j) {
if (!EnumDisplayDevices(DeviceName, j, &device, 0)) {
break;
}
if (!(device.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)) {
continue;
}
count += WIN_AddDisplay(device.DeviceName);
}
if (count == 0) {
WIN_AddDisplay(DeviceName);
}
}
if (_this->num_displays == 0) {
SDL_SetError("No displays available");
return -1;
}
return 0;
}
