/************************************************************************************ Filename : OVR_Win32_Display.cpp Content : Win32 Display implementation Created : May 6, 2014 Authors : Dean Beeler Copyright : Copyright 2014 Oculus VR, LLC All Rights reserved. Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License"); you may not use the Oculus VR Rift SDK except in compliance with the License, which is provided at the time of installation or download, or which otherwise accompanies this software in either electronic or hard copy form. You may obtain a copy of the License at http://www.oculusvr.com/licenses/LICENSE-3.2 Unless required by applicable law or agreed to in writing, the Oculus VR SDK distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. *************************************************************************************/ #include #include "OVR_Win32_Display.h" #include "OVR_Win32_Dxgi_Display.h" #include #include #include #include #include #include #include #include #ifdef OVR_COMPAT_EDID_VIA_WMI # pragma comment(lib, "wbemuuid.lib") #include #else // OVR_COMPAT_EDID_VIA_WMI #include #include #endif // OVR_COMPAT_EDID_VIA_WMI // WIN32_LEAN_AND_MEAN included in OVR_Atomic.h may break 'byte' declaration. #ifdef WIN32_LEAN_AND_MEAN typedef unsigned char byte; #endif #include "../Kernel/OVR_String.h" #include "../Kernel/OVR_Log.h" typedef struct { HANDLE hDevice; UINT ExpectedWidth; UINT ExpectedHeight; HWND hWindow; bool CompatibilityMode; bool HideDK1Mode; } ContextStruct; static ContextStruct GlobalDisplayContext = {0}; //------------------------------------------------------------------------------------- // ***** Display enumeration Helpers // THere are two ways to enumerate display: through our driver (DeviceIoControl) // and through Win32 EnumDisplayMonitors (compatibility mode). namespace OVR { ULONG getRiftCount( HANDLE hDevice ) { ULONG riftCount = 0; DWORD bytesReturned = 0; BOOL result = DeviceIoControl( hDevice, IOCTL_RIFTMGR_GET_RIFT_COUNT, NULL, 0, &riftCount, sizeof( ULONG ), &bytesReturned, NULL ); if( result ) return riftCount; else return 0; } ULONG getRift( HANDLE hDevice, int index ) { ULONG riftCount = getRiftCount( hDevice ); DWORD bytesReturned = 0; BOOL result; if( riftCount >= (ULONG)index ) { RIFT_STATUS riftStatus[16] = {0}; result = DeviceIoControl( hDevice, IOCTL_RIFTMGR_GET_RIFT_ARRAY, riftStatus, riftCount * sizeof( RIFT_STATUS ), &riftCount, sizeof( ULONG ), &bytesReturned, NULL ); if( result ) { PRIFT_STATUS tmpRift; unsigned int i; for( i = 0, tmpRift = riftStatus; i < riftCount; ++i, ++tmpRift ) { if( i == (unsigned int)index ) return tmpRift->childUid; } } else { printf("Failed to get array of rift devices\n"); } } return 0; } #define EDID_LENGTH 0x80 #define EDID_HEADER 0x00 #define EDID_HEADER_END 0x07 #define ID_MANUFACTURER_NAME 0x08 #define ID_MANUFACTURER_NAME_END 0x09 #define EDID_STRUCT_VERSION 0x12 #define EDID_STRUCT_REVISION 0x13 #define ESTABLISHED_TIMING_1 0x23 #define ESTABLISHED_TIMING_2 0x24 #define MANUFACTURERS_TIMINGS 0x25 #define DETAILED_TIMING_DESCRIPTIONS_START 0x36 #define DETAILED_TIMING_DESCRIPTION_SIZE 18 #define NO_DETAILED_TIMING_DESCRIPTIONS 4 #define DETAILED_TIMING_DESCRIPTION_1 0x36 #define DETAILED_TIMING_DESCRIPTION_2 0x48 #define DETAILED_TIMING_DESCRIPTION_3 0x5a #define DETAILED_TIMING_DESCRIPTION_4 0x6c #define MONITOR_NAME 0xfc #define MONITOR_LIMITS 0xfd #define MONITOR_SERIAL 0xff #define UNKNOWN_DESCRIPTOR -1 #define DETAILED_TIMING_BLOCK -2 #define DESCRIPTOR_DATA 5 const byte edid_v1_header[] = { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 }; const byte edid_v1_descriptor_flag[] = { 0x00, 0x00 }; static int blockType( byte* block ) { if ( !strncmp( (const char*)edid_v1_descriptor_flag, (const char*)block, 2 ) ) { // descriptor if ( block[ 2 ] != 0 ) return UNKNOWN_DESCRIPTOR; return block[ 3 ]; } else { return DETAILED_TIMING_BLOCK; } } static char* getMonitorName( byte const* block ) { static char name[ 13 ]; unsigned i; byte const* ptr = block + DESCRIPTOR_DATA; for( i = 0; i < 13; i++, ptr++ ) { if ( *ptr == 0xa ) { name[ i ] = 0; return name; } name[ i ] = *ptr; } return name; } static bool parseEdid( byte* edid, OVR::Win32::DisplayEDID& edidResult ) { unsigned i; byte* block; char* monitor_name = "Unknown"; byte checksum = 0; for( i = 0; i < EDID_LENGTH; i++ ) checksum += edid[ i ]; // Bad checksum, fail EDID if ( checksum != 0 ) return false; if ( strncmp( (const char*)edid+EDID_HEADER, (const char*)edid_v1_header, EDID_HEADER_END+1 ) ) { // First bytes don't match EDID version 1 header return false; } //printf( "\n# EDID version %d revision %d\n", (int)edid[EDID_STRUCT_VERSION],(int)edid[EDID_STRUCT_REVISION] ); // Monitor name and timings char serialNumber[14]; memset( serialNumber, 0, 14 ); block = edid + DETAILED_TIMING_DESCRIPTIONS_START; for( i = 0; i < NO_DETAILED_TIMING_DESCRIPTIONS; i++, block += DETAILED_TIMING_DESCRIPTION_SIZE ) { if ( blockType( block ) == MONITOR_NAME ) { monitor_name = getMonitorName( block ); } if( blockType( block ) == MONITOR_SERIAL ) { memcpy( serialNumber, block + 5, 13 ); break; } } BYTE vendorString[4] = {0}; vendorString[0] = (edid[8] >> 2 & 31) + 64; vendorString[1] = ((edid[8] & 3) << 3) | (edid[9] >> 5) + 64; vendorString[2] = (edid[9] & 31) + 64; edidResult.ModelNumber = *(UINT16*)&edid[10]; edidResult.MonitorName = OVR::String(monitor_name); edidResult.VendorName = OVR::String((const char*)vendorString); edidResult.SerialNumber = OVR::String(serialNumber); #if 0 printf( "\tIdentifier \"%s\"\n", monitor_name ); printf( "\tVendorName \"%s\"\n", vendorString ); printf( "\tModelName \"%s\"\n", monitor_name ); printf( "\tModelNumber %d\n", modelNumber ); printf( "\tSerialNumber \"%x\"\n", *serialPointer ); #endif // FIXME: Get timings as well, though they aren't very useful here // except for the vertical refresh rate, presumably return true; } static bool getEdid(HANDLE hDevice, ULONG uid, OVR::Win32::DisplayEDID& edidResult) { ULONG riftCount = 0; DWORD bytesReturned = 0; RIFT_STATUS riftStatus[16] = {0}; BOOL result = DeviceIoControl( hDevice, IOCTL_RIFTMGR_GET_RIFT_COUNT, NULL, 0, &riftCount, sizeof( ULONG ), &bytesReturned, NULL ); if (!result) { return false; } result = DeviceIoControl( hDevice, IOCTL_RIFTMGR_GET_RIFT_ARRAY, &riftStatus, riftCount * sizeof( RIFT_STATUS ), &riftCount, sizeof(ULONG), &bytesReturned, NULL ); if (!result) { return false; } for (ULONG i = 0; i < riftCount; ++i) { ULONG riftUid = riftStatus[i].childUid; if (riftUid == uid) { char edidBuffer[512]; result = DeviceIoControl(hDevice, IOCTL_RIFTMGR_GETEDID, &riftUid, sizeof(ULONG), edidBuffer, 512, &bytesReturned, NULL); if (result) { if (parseEdid((byte*)edidBuffer, edidResult)) { return true; } else { OVR_DEBUG_LOG(("[Win32Display] WARNING: The driver was not able to return EDID for a display")); } } break; } } return false; } // Used to capture all the active monitor handles struct MonitorSet { enum { MaxMonitors = 8 }; HMONITOR Monitors[MaxMonitors]; int MonitorCount; int PrimaryCount; }; static BOOL CALLBACK MonitorEnumProc(HMONITOR hMonitor, HDC, LPRECT, LPARAM dwData) { MonitorSet* monitorSet = (MonitorSet*)dwData; if (monitorSet->MonitorCount >= MonitorSet::MaxMonitors) return FALSE; monitorSet->Monitors[monitorSet->MonitorCount] = hMonitor; monitorSet->MonitorCount++; return TRUE; }; #ifdef OVR_COMPAT_EDID_VIA_WMI static bool getCompatDisplayEDID( WCHAR* displayName, String& serialNumberStr, String& userFriendlyNameStr ) { IWbemLocator *pLoc = NULL; IWbemServices *pSvc = NULL; HRESULT hres; static bool initialized = false; static bool selfInitialized = true; if (!initialized) { hres = CoInitializeEx(0, COINIT_MULTITHREADED); if (FAILED(hres)) { LogError("{ERR-082} [Display] WARNING: Failed to initialize COM library. Error code = 0x%x", hres); OVR_ASSERT(false); return false; } hres = CoInitializeSecurity( NULL, -1, // COM authentication NULL, // Authentication services NULL, // Reserved RPC_C_AUTHN_LEVEL_DEFAULT, // Default authentication RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation NULL, // Authentication info EOAC_NONE, // Additional capabilities NULL // Reserved ); if (FAILED(hres)) { LogError("{ERR-083} [Display] WARNING: Failed to initialize security. Error code = 0x%x", hres); OVR_ASSERT(false); selfInitialized = false; } initialized = true; } hres = CoCreateInstance( CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID *)&pLoc); if (FAILED(hres)) { LogError("{ERR-084} [Display] WARNING: Failed to create IWbemLocator object.Err code = 0x%x", hres); OVR_ASSERT(false); return false; } BSTR AbackB = SysAllocString(L"root\\WMI"); // Connect to the root\cimv2 namespace with // the current user and obtain pointer pSvc // to make IWbemServices calls. hres = pLoc->ConnectServer( AbackB, // Object path of WMI namespace NULL, // User name. NULL = current user NULL, // User password. NULL = current 0, // Locale. NULL indicates current NULL, // Security flags. 0, // Authority (e.g. Kerberos) 0, // Context object &pSvc // pointer to IWbemServices proxy ); SysFreeString(AbackB); if (FAILED(hres)) { LogError("{ERR-085} [Display] WARNING: Could not connect to root\\WMI. Error code = 0x%x", hres); OVR_ASSERT(false); pLoc->Release(); return false; } hres = CoSetProxyBlanket( pSvc, // Indicates the proxy to set RPC_C_AUTHN_WINNT, // RPC_C_AUTHN_xxx RPC_C_AUTHZ_NONE, // RPC_C_AUTHZ_xxx NULL, // Server principal name RPC_C_AUTHN_LEVEL_CALL, // RPC_C_AUTHN_LEVEL_xxx RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx NULL, // client identity EOAC_NONE // proxy capabilities ); if (FAILED(hres)) { LogError("{ERR-086} [Display] WARNING: Could not set proxy blanket. Error code = 0x%x", hres); OVR_ASSERT(false); pSvc->Release(); pLoc->Release(); return false; } BSTR wql = SysAllocString(L"WQL"); BSTR select = SysAllocString(L"SELECT * FROM WmiMonitorID"); IEnumWbemClassObject* pEnumerator = NULL; hres = pSvc->ExecQuery( wql, select, WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &pEnumerator); SysFreeString(wql); SysFreeString(select); if (FAILED(hres)) { LogError("{ERR-087} [Display] WARNING: Query for operating system name failed. Error code = 0x%x", hres); OVR_ASSERT(false); pSvc->Release(); pLoc->Release(); return false; } int enumeratedCount = 0; bool found = false; IWbemClassObject *pclsObj = 0; while (pEnumerator) { ULONG uReturn = 0; HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1, &pclsObj, &uReturn); if (FAILED(hr) || !uReturn) { break; } ++enumeratedCount; VARIANT vtProp; hr = pclsObj->Get(L"InstanceName", 0, &vtProp, 0, 0); WCHAR* instanceName = vtProp.bstrVal; WCHAR* nextToken = NULL; if (SUCCEEDED(hr) && wcstok_s(instanceName, L"\\", &nextToken) != NULL) { WCHAR* aToken = wcstok_s(NULL, L"\\", &nextToken); if (aToken != NULL) { VariantClear(&vtProp); if (wcscmp(aToken, displayName) != 0) { pclsObj->Release(); continue; } // Read serial hr = pclsObj->Get(L"SerialNumberID", 0, &vtProp, 0, 0); if (SUCCEEDED(hr)) { if (vtProp.vt != VT_NULL && vtProp.parray != NULL) { static const int MaxSerialBytes = 14; char serialNumber[MaxSerialBytes] = { 0 }; UINT32* serialArray = (UINT32*)vtProp.parray->pvData; for (int i = 0; i < MaxSerialBytes; ++i) { serialNumber[i] = (BYTE)(serialArray[i] & 0xff); } serialNumber[sizeof(serialNumber)-1] = '\0'; serialNumberStr = serialNumber; } else { LogError("{ERR-088} [Display] WARNING: Wrong data format for SerialNumberID"); } VariantClear(&vtProp); } else { LogError("{ERR-089} [Display] WARNING: Failure getting display SerialNumberID: %d", (int)hr); } // Read length of name int userFriendlyNameLen = 0; hr = pclsObj->Get(L"UserFriendlyNameLength", 0, &vtProp, 0, 0); if (SUCCEEDED(hr)) { if (vtProp.vt != VT_NULL) { userFriendlyNameLen = vtProp.iVal; if (userFriendlyNameLen <= 0) { userFriendlyNameLen = 0; LogError("{ERR-090} [Display] WARNING: UserFriendlyNameLength = 0"); } } else { LogError("{ERR-091} [Display] WARNING: Wrong data format for UserFriendlyNameLength"); } VariantClear(&vtProp); } else { LogError("{ERR-092} [Display] WARNING: Failure getting display UserFriendlyNameLength: %d", (int)hr); } // Read name hr = pclsObj->Get(L"UserFriendlyName", 0, &vtProp, 0, 0); if (SUCCEEDED(hr) && userFriendlyNameLen > 0) { if (vtProp.vt != VT_NULL && vtProp.parray != NULL) { static const int MaxNameBytes = 64; char userFriendlyName[MaxNameBytes] = { 0 }; UINT32* nameArray = (UINT32*)vtProp.parray->pvData; for (int i = 0; i < MaxNameBytes && i < userFriendlyNameLen; ++i) { userFriendlyName[i] = (BYTE)(nameArray[i] & 0xff); } userFriendlyName[sizeof(userFriendlyName)-1] = '\0'; userFriendlyNameStr = userFriendlyName; } else { // See: https://developer.oculusvr.com/forums/viewtopic.php?f=34&t=10961 // This can happen if someone has an EDID override in the registry. LogError("{ERR-093} [Display] WARNING: Wrong data format for UserFriendlyName"); } VariantClear(&vtProp); } else { LogError("{ERR-094} [Display] WARNING: Failure getting display UserFriendlyName: %d", (int)hr); } } found = true; pclsObj->Release(); break; } pclsObj->Release(); } HMODULE hModule = GetModuleHandleA("wbemuuid"); if (hModule) { DisableThreadLibraryCalls(hModule); } pSvc->Release(); pLoc->Release(); pEnumerator->Release(); if (!found) { LogError("{ERR-095} [Display] WARNING: Unable to enumerate the rift via WMI (found %d monitors). This is not normally an issue. Running as a user with Administrator privileges has fixed this problem in the past.", enumeratedCount); OVR_ASSERT(false); } return found; } #else // OVR_COMPAT_EDID_VIA_WMI #define NAME_SIZE 128 DEFINE_GUID(GUID_CLASS_MONITOR, 0x4d36e96e, 0xe325, 0x11ce, 0xbf, 0xc1, 0x08, 0x00, 0x2b, 0xe1, 0x03, 0x18); static void truncateNonalphanum(char* str, int len) { for (int i = 0; i < len; ++i) { char ch = str[i]; if ((ch < 'A' || ch > 'Z') && (ch < 'a' || ch > 'z') && (ch < '0' || ch > '9') && ch != ' ') { str[i] = '\0'; break; } } } static bool AccessDeviceRegistry(IN HDEVINFO devInfo, IN PSP_DEVINFO_DATA devInfoData, const WCHAR* displayName, String& serialNumberStr, String& userFriendlyNameStr) { // Match hardware id to display name WCHAR hardwareId[128]; if (!SetupDiGetDeviceRegistryProperty( devInfo, devInfoData, SPDRP_HARDWAREID, NULL, (PBYTE)hardwareId, sizeof(hardwareId), NULL)) { LogError("{ERR-096} [Display] WARNING: SetupDiGetDeviceRegistryProperty for SPDRP_HARDWAREID failed. LastErr=%d", GetLastError()); OVR_ASSERT(false); return false; } hardwareId[127] = 0; // If the hardware id did not match, if (!wcsstr(hardwareId, displayName)) { // Stop here return false; } // Grab hardware info registry key HKEY hDevRegKey = SetupDiOpenDevRegKey( devInfo, devInfoData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_READ); // Only read permissions so it can be run without Administrator privs if (hDevRegKey == INVALID_HANDLE_VALUE) { LogError("{ERR-097} [Display] WARNING: SetupDiOpenDevRegKey failed. LastErr=%d", GetLastError()); OVR_ASSERT(false); return false; } // Enumerate keys in registry bool found = false; // For each key, for (int i = 0;; i++) { BYTE EDIDdata[1024]; DWORD edidsize = sizeof(EDIDdata); DWORD dwType, ActualValueNameLength = NAME_SIZE; CHAR valueName[NAME_SIZE]; // Read the key value data LSTATUS retValue = RegEnumValueA( hDevRegKey, i, &valueName[0], &ActualValueNameLength, NULL, &dwType, EDIDdata, &edidsize); // If no more items in the enumeration, if (retValue == ERROR_NO_MORE_ITEMS) { // Stop here break; } // If the request failed, if (FAILED(retValue)) { LogError("{ERR-098} [Display] WARNING: RegEnumValueA failed to read a key. LastErr=%d", retValue); OVR_ASSERT(false); } else if (0 == strcmp(valueName, "EDID")) // Value is EDID: { // Tested working for DK1 and DK2: char friendlyString[9]; memcpy(friendlyString, EDIDdata + 77, 8); truncateNonalphanum(friendlyString, 8); friendlyString[8] = '\0'; char edidString[14]; memcpy(edidString, EDIDdata + 95, 13); truncateNonalphanum(edidString, 13); edidString[13] = '\0'; serialNumberStr = edidString; userFriendlyNameStr = friendlyString; found = true; break; } } RegCloseKey(hDevRegKey); return found; } static bool getCompatDisplayEDID(const WCHAR* displayName, String& serialNumberStr, String& userFriendlyNameStr) { HDEVINFO devInfo = NULL; devInfo = SetupDiGetClassDevsEx( &GUID_CLASS_MONITOR, //class GUID NULL, //enumerator NULL, //HWND DIGCF_PRESENT, // Flags //DIGCF_ALLCLASSES| NULL, // device info, create a new one. NULL, // machine name, local machine NULL);// reserved if (NULL == devInfo) { return false; } DWORD lastError = 0; // For each display, for (int i = 0;; i++) { SP_DEVINFO_DATA devInfoData = {}; devInfoData.cbSize = sizeof(devInfoData); // Grab device info if (SetupDiEnumDeviceInfo(devInfo, i, &devInfoData)) { // Access device info from registry if (AccessDeviceRegistry(devInfo, &devInfoData, displayName, serialNumberStr, userFriendlyNameStr)) { return true; } } else { lastError = GetLastError(); // If no more items found, if (lastError != ERROR_NO_MORE_ITEMS) { LogError("{ERR-099} [Display] WARNING: SetupDiEnumDeviceInfo failed. LastErr=%d", lastError); OVR_ASSERT(false); } break; } } LogError("{ERR-100} [Display] WARNING: SetupDiEnumDeviceInfo did not return the rift display. LastErr=%d", lastError); OVR_ASSERT(false); return false; } #endif // OVR_COMPAT_EDID_VIA_WMI // This is function that's used bool anyRiftsInExtendedMode() { bool result = false; MonitorSet monitors; monitors.MonitorCount = 0; // Get all the monitor handles EnumDisplayMonitors(NULL, NULL, MonitorEnumProc, (LPARAM)&monitors); DISPLAY_DEVICE dd, ddm; UINT i, j; for( i = 0; (ZeroMemory(&dd, sizeof(dd)), dd.cb = sizeof(dd), EnumDisplayDevices(0, i, &dd, 0)) != 0; i++ ) { for( j = 0; (ZeroMemory(&ddm, sizeof(ddm)), ddm.cb = sizeof(ddm), EnumDisplayDevices(dd.DeviceName, j, &ddm, 0)) != 0; j++ ) { // Our monitor hardware has string "RTD2205" in it // Nate's device "CVT0003" if( wcsstr(ddm.DeviceID, L"RTD2205") || wcsstr(ddm.DeviceID, L"CVT0003") || wcsstr(ddm.DeviceID, L"MST0030") || wcsstr(ddm.DeviceID, L"OVR00") ) // Part of Oculus EDID. { result = true; } } } return result; } static int discoverExtendedRifts(OVR::Win32::DisplayDesc* descriptorArray, int inputArraySize, bool includeEDID) { static bool reportDiscovery = true; int result = 0; MonitorSet monitors; monitors.MonitorCount = 0; // Get all the monitor handles EnumDisplayMonitors(NULL, NULL, MonitorEnumProc, (LPARAM)&monitors); DISPLAY_DEVICE dd, ddm; UINT i, j; for (i = 0; (ZeroMemory(&dd, sizeof(dd)), dd.cb = sizeof(dd), EnumDisplayDevices(0, i, &dd, 0)) != 0; i++) { for (j = 0; (ZeroMemory(&ddm, sizeof(ddm)), ddm.cb = sizeof(ddm), EnumDisplayDevices(dd.DeviceName, j, &ddm, 0)) != 0; j++) { if( result >= inputArraySize ) return result; // Our monitor hardware has string "RTD2205" in it // Nate's device "CVT0003" if (wcsstr(ddm.DeviceID, L"RTD2205") || wcsstr(ddm.DeviceID, L"CVT0003") || wcsstr(ddm.DeviceID, L"MST0030") || wcsstr(ddm.DeviceID, L"OVR00") ) // Part of Oculus EDID. { String deviceId(ddm.DeviceID); String displayDeviceName(ddm.DeviceName); Vector2i desktopOffset(0, 0); Sizei monitorResolution(1280, 800); // Make a device type guess HmdTypeEnum deviceTypeGuess = HmdType_Unknown; if (wcsstr(ddm.DeviceID, L"OVR0003")) { // DK2 prototypes and variants deviceTypeGuess = HmdType_DK2; // Could also be: // HmdType_CrystalCoveProto } else if (wcsstr(ddm.DeviceID, L"OVR0002")) { // HD Prototypes deviceTypeGuess = HmdType_DKHDProto; // Could also be: // HmdType_DKHD2Proto // HmdType_DKHDProto566Mi } else if (wcsstr(ddm.DeviceID, L"OVR0001")) { // DK1 deviceTypeGuess = HmdType_DK1; } else if (wcsstr(ddm.DeviceID, L"OVR00")) { // Future Oculus HMD devices deviceTypeGuess = HmdType_Unknown; } else { deviceTypeGuess = HmdType_DKProto; } // Find the matching MONITORINFOEX for this device so we can get the // screen coordinates MONITORINFOEX info; for (int m=0; m < monitors.MonitorCount; m++) { info.cbSize = sizeof(MONITORINFOEX); GetMonitorInfo(monitors.Monitors[m], &info); if (_tcsstr(ddm.DeviceName, info.szDevice) == ddm.DeviceName) { // If the device name starts with the monitor name // then we found the matching DISPLAY_DEVICE and MONITORINFO // so we can gather the monitor coordinates desktopOffset = Vector2i(info.rcMonitor.left, info.rcMonitor.top); break; } } WCHAR* instanceBuffer = (WCHAR*)calloc(wcslen(ddm.DeviceID) + 1, sizeof(WCHAR)); wcscpy_s(instanceBuffer, wcslen(ddm.DeviceID) + 1, ddm.DeviceID); WCHAR* instanceName = instanceBuffer; WCHAR* nextToken = NULL; if (wcstok_s(instanceName, L"\\", &nextToken)) { WCHAR* aToken = wcstok_s(NULL, L"\\", &nextToken); if (aToken) { String serialNumberStr, userFriendlyNameStr; if (!includeEDID || getCompatDisplayEDID(aToken, serialNumberStr, userFriendlyNameStr)) { // Set descriptor OVR::Win32::DisplayDesc& desc = descriptorArray[result++]; // If not including EDID, if (!includeEDID) { // If DK2 id, if (wcsstr(ddm.DeviceID, L"OVR0003")) { userFriendlyNameStr = "Rift DK2"; } else // Assume DK1 for now: { userFriendlyNameStr = "Rift DK1"; } } desc.DeviceTypeGuess = deviceTypeGuess; desc.DisplayID = displayDeviceName; desc.ModelName = userFriendlyNameStr; desc.EdidSerialNumber = serialNumberStr; desc.LogicalResolutionInPixels = monitorResolution; desc.DesktopDisplayOffset = desktopOffset; // Hard-coded defaults in case the device doesn't have the data itself. // DK2 prototypes (0003) or DK HD Prototypes (0002) if (wcsstr(ddm.DeviceID, L"OVR0003") || wcsstr(ddm.DeviceID, L"OVR0002")) { desc.LogicalResolutionInPixels = Sizei(1920, 1080); desc.NativeResolutionInPixels = Sizei(1080, 1920); } else { desc.LogicalResolutionInPixels = monitorResolution; desc.NativeResolutionInPixels = monitorResolution; } } } } if (reportDiscovery) { // Only report once per run OVR_DEBUG_LOG_TEXT(("Display Found %s - %s\n", deviceId.ToCStr(), displayDeviceName.ToCStr())); reportDiscovery = false; } free(instanceBuffer); break; } } } return result; } //------------------------------------------------------------------------------------- // ***** Display bool Display::InCompatibilityMode( bool displaySearch ) { bool result = false; if( displaySearch ) { OVR::Win32::DisplayDesc displayArray[8]; int extendedRiftCount = discoverExtendedRifts(displayArray, 8, false); if( extendedRiftCount ) { result = true; } else { result = GlobalDisplayContext.CompatibilityMode; } } else { result = GlobalDisplayContext.CompatibilityMode; } return result; } #define OVR_FLAG_COMPATIBILITY_MODE 1 #define OVR_FLAG_HIDE_DK1 2 bool Display::Initialize() { HANDLE hDevice = INVALID_HANDLE_VALUE; if (GlobalDisplayContext.hDevice == 0) { hDevice = CreateFile( L"\\\\.\\ovr_video" , GENERIC_READ | GENERIC_WRITE, NULL, NULL, OPEN_EXISTING, NULL, NULL); } else { // The device has already been created hDevice = GlobalDisplayContext.hDevice; } if (hDevice != NULL && hDevice != INVALID_HANDLE_VALUE) { GlobalDisplayContext.hDevice = hDevice; GlobalDisplayContext.CompatibilityMode = false; DWORD bytesReturned = 0; LONG compatiblityResult = OVR_STATUS_SUCCESS; BOOL result = DeviceIoControl( hDevice, IOCTL_RIFTMGR_GETCOMPATIBILITYMODE, NULL, 0, &compatiblityResult, sizeof( LONG ), &bytesReturned, NULL ); if (result) { GlobalDisplayContext.CompatibilityMode = (compatiblityResult & OVR_FLAG_COMPATIBILITY_MODE) != 0; GlobalDisplayContext.HideDK1Mode = (compatiblityResult & OVR_FLAG_HIDE_DK1) != 0; } else { // If calling our driver fails in any way, assume compatibility mode as well GlobalDisplayContext.CompatibilityMode = true; } if (!GlobalDisplayContext.CompatibilityMode) { Ptr searchHandle = *Display::GetDisplaySearchHandle(); // If a display is actually connected, bring up the shim layers so we can actually use it if (GetDisplayCount(searchHandle) > 0) { // FIXME: Initializing DX9 with landscape numbers rather than portrait GlobalDisplayContext.ExpectedWidth = 1080; GlobalDisplayContext.ExpectedHeight = 1920; } else { GlobalDisplayContext.CompatibilityMode = true; } } } else { GlobalDisplayContext.CompatibilityMode = true; } return true; } bool Display::GetDriverMode(bool& driverInstalled, bool& compatMode, bool& hideDK1Mode) { if (GlobalDisplayContext.hDevice == NULL) { driverInstalled = false; compatMode = true; hideDK1Mode = false; } else { driverInstalled = true; compatMode = GlobalDisplayContext.CompatibilityMode; hideDK1Mode = GlobalDisplayContext.HideDK1Mode; } return true; } bool Display::SetDriverMode(bool compatMode, bool hideDK1Mode) { // If device is not initialized, if (GlobalDisplayContext.hDevice == NULL) { OVR_ASSERT(false); return false; } // If no change, if ((compatMode == GlobalDisplayContext.CompatibilityMode) && (hideDK1Mode == GlobalDisplayContext.HideDK1Mode)) { return true; } LONG mode_flags = 0; if (compatMode) { mode_flags |= OVR_FLAG_COMPATIBILITY_MODE; } if (hideDK1Mode) { mode_flags |= OVR_FLAG_HIDE_DK1; } DWORD bytesReturned = 0; LONG err = 1; if (!DeviceIoControl(GlobalDisplayContext.hDevice, IOCTL_RIFTMGR_SETCOMPATIBILITYMODE, &mode_flags, sizeof(LONG), &err, sizeof(LONG), &bytesReturned, NULL) || (err != 0 && err != -3)) { LogError("{ERR-001w} [Win32Display] Unable to set device mode to (compat=%d dk1hide=%d): err=%d", (int)compatMode, (int)hideDK1Mode, (int)err); return false; } OVR_DEBUG_LOG(("[Win32Display] Set device mode to (compat=%d dk1hide=%d)", (int)compatMode, (int)hideDK1Mode)); GlobalDisplayContext.HideDK1Mode = hideDK1Mode; GlobalDisplayContext.CompatibilityMode = compatMode; return true; } DisplaySearchHandle* Display::GetDisplaySearchHandle() { return new Win32::Win32DisplaySearchHandle(); } // FIXME: The handle parameter will be used to unify GetDisplayCount and GetDisplay calls // The handle will be written to the 64-bit value pointed and will store the enumerated // display list. This will allow the indexes to be meaningful between obtaining // the count. With a single handle the count should be stable int Display::GetDisplayCount(DisplaySearchHandle* handle, bool extended, bool applicationOnly, bool extendedEDIDSerials) { static int extendedCount = -1; static int applicationCount = -1; Win32::Win32DisplaySearchHandle* localHandle = (Win32::Win32DisplaySearchHandle*)handle; if( localHandle == NULL ) return 0; if( extendedCount == -1 || extended ) { extendedCount = discoverExtendedRifts(localHandle->cachedDescriptorArray, 16, extendedEDIDSerials); } localHandle->extended = true; localHandle->extendedDisplayCount = extendedCount; int totalCount = extendedCount; if( applicationCount == -1 || applicationOnly ) { applicationCount = getRiftCount(GlobalDisplayContext.hDevice); localHandle->application = true; } totalCount += applicationCount; localHandle->applicationDisplayCount = applicationCount; localHandle->displayCount = totalCount; return totalCount; } Ptr Display::GetDisplay(int index, DisplaySearchHandle* handle) { Ptr result; if( index < 0 ) return result; Win32::Win32DisplaySearchHandle* localHandle = (Win32::Win32DisplaySearchHandle*)handle; if( localHandle == NULL ) return NULL; if (localHandle->extended) { if (index >= 0 && index < (int)localHandle->extendedDisplayCount) { return *new Win32::Win32DisplayGeneric(localHandle->cachedDescriptorArray[index]); } index -= localHandle->extendedDisplayCount; } if(localHandle->application) { if (index >= 0 && index < (int)getRiftCount(GlobalDisplayContext.hDevice)) { ULONG riftChildId = getRift(GlobalDisplayContext.hDevice, index); Win32::DisplayEDID dEdid; if (!getEdid(GlobalDisplayContext.hDevice, riftChildId, dEdid)) { return NULL; } // FIXME: We have the EDID. Let's just use that instead. uint32_t nativeWidth = 1080, nativeHeight = 1920; uint32_t logicalWidth = 1920, logicalHeight = 1080; uint32_t rotation = 0; switch (dEdid.ModelNumber) { case 0: case 1: nativeWidth = 1280; nativeHeight = 800; logicalWidth = nativeWidth; logicalHeight = nativeHeight; break; case 2: case 3: default: rotation = 90; break; } HmdTypeEnum deviceTypeGuess = HmdType_Unknown; switch (dEdid.ModelNumber) { case 3: deviceTypeGuess = HmdType_DK2; break; case 2: deviceTypeGuess = HmdType_DKHDProto; break; case 1: deviceTypeGuess = HmdType_DK1; break; default: break; } result = *new Win32::Win32DisplayDriver( deviceTypeGuess, "", dEdid.MonitorName, dEdid.SerialNumber, Sizei(logicalWidth, logicalHeight), Sizei(nativeWidth, nativeHeight), Vector2i(0), dEdid, GlobalDisplayContext.hDevice, riftChildId, rotation); } } return result; } Display::MirrorMode Win32::Win32DisplayDriver::SetMirrorMode( Display::MirrorMode newMode ) { return newMode; } static bool SetDisplayPower(HANDLE hDevice, ULONG childId, int mode) { ULONG_PTR longArray[2]; longArray[0] = childId; longArray[1] = mode; ULONG localResult = 0; DWORD bytesReturned = 0; BOOL result = DeviceIoControl(hDevice, IOCTL_RIFTMGR_DISPLAYPOWER, longArray, 2 * sizeof(ULONG_PTR), &localResult, sizeof(ULONG), &bytesReturned, NULL); // Note: bytesReturned does not seem to be set return result != FALSE /* && bytesReturned == sizeof(ULONG) */ && mode == (int)localResult; } bool Win32::Win32DisplayDriver::SetDisplaySleep(bool sleep) { return SetDisplayPower(hDevice, ChildId, sleep ? 2 : 1); } } // namespace OVR