diff options
Diffstat (limited to 'LibOVR/Src/OVR_Win32_HMDDevice.cpp')
| -rw-r--r-- | LibOVR/Src/OVR_Win32_HMDDevice.cpp | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/LibOVR/Src/OVR_Win32_HMDDevice.cpp b/LibOVR/Src/OVR_Win32_HMDDevice.cpp new file mode 100644 index 0000000..e16a060 --- /dev/null +++ b/LibOVR/Src/OVR_Win32_HMDDevice.cpp @@ -0,0 +1,363 @@ +/************************************************************************************
+
+Filename : OVR_Win32_HMDDevice.cpp
+Content : Win32 Interface to HMD - detects HMD display
+Created : September 21, 2012
+Authors : Michael Antonov
+
+Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.1 (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-3.1
+
+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 "OVR_Win32_HMDDevice.h"
+
+#include "OVR_Win32_DeviceManager.h"
+#include "util/Util_Render_Stereo.h"
+
+#include <tchar.h>
+
+namespace OVR { namespace Win32 {
+
+using namespace OVR::Util::Render;
+
+//-------------------------------------------------------------------------------------
+
+HMDDeviceCreateDesc::HMDDeviceCreateDesc(DeviceFactory* factory,
+ const String& deviceId, const String& displayDeviceName)
+ : DeviceCreateDesc(factory, Device_HMD),
+ DeviceId(deviceId), DisplayDeviceName(displayDeviceName),
+ Contents(0)
+{
+ Desktop.X = 0;
+ Desktop.Y = 0;
+ ResolutionInPixels = Sizei(0);
+ ScreenSizeInMeters = Sizef(0.0f);
+ VCenterFromTopInMeters = 0.0f;
+ LensSeparationInMeters = 0.0f;
+}
+HMDDeviceCreateDesc::HMDDeviceCreateDesc(const HMDDeviceCreateDesc& other)
+ : DeviceCreateDesc(other.pFactory, Device_HMD),
+ DeviceId(other.DeviceId), DisplayDeviceName(other.DisplayDeviceName),
+ Contents(other.Contents)
+{
+ Desktop.X = other.Desktop.X;
+ Desktop.Y = other.Desktop.Y;
+ ResolutionInPixels = other.ResolutionInPixels;
+ ScreenSizeInMeters = other.ScreenSizeInMeters;
+ VCenterFromTopInMeters = other.VCenterFromTopInMeters;
+ LensSeparationInMeters = other.LensSeparationInMeters;
+}
+
+HMDDeviceCreateDesc::MatchResult HMDDeviceCreateDesc::MatchDevice(const DeviceCreateDesc& other,
+ DeviceCreateDesc** pcandidate) const
+{
+ if ((other.Type != Device_HMD) || (other.pFactory != pFactory))
+ return Match_None;
+
+ // There are several reasons we can come in here:
+ // a) Matching this HMD Monitor created desc to OTHER HMD Monitor desc
+ // - Require exact device DeviceId/DeviceName match
+ // b) Matching SensorDisplayInfo created desc to OTHER HMD Monitor desc
+ // - This DeviceId is empty; becomes candidate
+ // c) Matching this HMD Monitor created desc to SensorDisplayInfo desc
+ // - This other.DeviceId is empty; becomes candidate
+
+ const HMDDeviceCreateDesc& s2 = (const HMDDeviceCreateDesc&) other;
+
+ if ((DeviceId == s2.DeviceId) &&
+ (DisplayDeviceName == s2.DisplayDeviceName))
+ {
+ // Non-null DeviceId may match while size is different if screen size was overwritten
+ // by SensorDisplayInfo in prior iteration.
+ if (!DeviceId.IsEmpty() ||
+ (ScreenSizeInMeters == s2.ScreenSizeInMeters) )
+ {
+ *pcandidate = 0;
+ return Match_Found;
+ }
+ }
+
+
+ // DisplayInfo takes precedence, although we try to match it first.
+ if ((ResolutionInPixels == s2.ResolutionInPixels) &&
+ (ScreenSizeInMeters == s2.ScreenSizeInMeters))
+ {
+ if (DeviceId.IsEmpty() && !s2.DeviceId.IsEmpty())
+ {
+ *pcandidate = const_cast<DeviceCreateDesc*>((const DeviceCreateDesc*)this);
+ return Match_Candidate;
+ }
+
+ *pcandidate = 0;
+ return Match_Found;
+ }
+
+ // SensorDisplayInfo may override resolution settings, so store as candidate.
+ if (s2.DeviceId.IsEmpty())
+ {
+ *pcandidate = const_cast<DeviceCreateDesc*>((const DeviceCreateDesc*)this);
+ return Match_Candidate;
+ }
+ // OTHER HMD Monitor desc may initialize DeviceName/Id
+ else if (DeviceId.IsEmpty())
+ {
+ *pcandidate = const_cast<DeviceCreateDesc*>((const DeviceCreateDesc*)this);
+ return Match_Candidate;
+ }
+
+ return Match_None;
+}
+
+
+bool HMDDeviceCreateDesc::UpdateMatchedCandidate(const DeviceCreateDesc& other,
+ bool* newDeviceFlag)
+{
+ // This candidate was the the "best fit" to apply sensor DisplayInfo to.
+ OVR_ASSERT(other.Type == Device_HMD);
+
+ const HMDDeviceCreateDesc& s2 = (const HMDDeviceCreateDesc&) other;
+
+ // Force screen size on resolution from SensorDisplayInfo.
+ // We do this because USB detection is more reliable as compared to HDMI EDID,
+ // which may be corrupted by splitter reporting wrong monitor
+ if (s2.DeviceId.IsEmpty())
+ {
+ // disconnected HMD: replace old descriptor by the 'fake' one.
+ ScreenSizeInMeters = s2.ScreenSizeInMeters;
+ Contents |= Contents_Screen;
+
+ if (s2.Contents & HMDDeviceCreateDesc::Contents_Distortion)
+ {
+ memcpy(DistortionK, s2.DistortionK, sizeof(float)*4);
+ // TODO: DistortionEqn
+ Contents |= Contents_Distortion;
+ }
+ DeviceId = s2.DeviceId;
+ DisplayDeviceName = s2.DisplayDeviceName;
+ Desktop.X = s2.Desktop.X;
+ Desktop.Y = s2.Desktop.Y;
+ if (newDeviceFlag) *newDeviceFlag = true;
+ }
+ else if (DeviceId.IsEmpty())
+ {
+ // This branch is executed when 'fake' HMD descriptor is being replaced by
+ // the real one.
+ DeviceId = s2.DeviceId;
+ DisplayDeviceName = s2.DisplayDeviceName;
+ Desktop.X = s2.Desktop.X;
+ Desktop.Y = s2.Desktop.Y;
+
+ // ScreenSize and Resolution are NOT assigned here, since they may have
+ // come from a sensor DisplayInfo (which has precedence over HDMI).
+
+ if (newDeviceFlag) *newDeviceFlag = true;
+ }
+ else
+ {
+ if (newDeviceFlag) *newDeviceFlag = false;
+ }
+
+ return true;
+}
+
+bool HMDDeviceCreateDesc::MatchDevice(const String& path)
+{
+ return DeviceId.CompareNoCase(path) == 0;
+}
+
+//-------------------------------------------------------------------------------------
+
+
+const wchar_t* FormatDisplayStateFlags(wchar_t* buff, int length, DWORD flags)
+{
+ buff[0] = 0;
+ if (flags & DISPLAY_DEVICE_ACTIVE)
+ wcscat_s(buff, length, L"Active ");
+ if (flags & DISPLAY_DEVICE_MIRRORING_DRIVER)
+ wcscat_s(buff, length, L"Mirroring_Driver ");
+ if (flags & DISPLAY_DEVICE_MODESPRUNED)
+ wcscat_s(buff, length, L"ModesPruned ");
+ if (flags & DISPLAY_DEVICE_PRIMARY_DEVICE)
+ wcscat_s(buff, length, L"Primary ");
+ if (flags & DISPLAY_DEVICE_REMOVABLE)
+ wcscat_s(buff, length, L"Removable ");
+ if (flags & DISPLAY_DEVICE_VGA_COMPATIBLE)
+ wcscat_s(buff, length, L"VGA_Compatible ");
+ return buff;
+}
+
+
+//-------------------------------------------------------------------------------------
+// Callback for monitor enumeration to store all the monitor handles
+
+// Used to capture all the active monitor handles
+struct MonitorSet
+{
+ enum { MaxMonitors = 8 };
+ HMONITOR Monitors[MaxMonitors];
+ int MonitorCount;
+};
+
+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;
+};
+
+//-------------------------------------------------------------------------------------
+// ***** HMDDeviceFactory
+
+HMDDeviceFactory &HMDDeviceFactory::GetInstance()
+{
+ static HMDDeviceFactory instance;
+ return instance;
+}
+
+void HMDDeviceFactory::EnumerateDevices(EnumerateVisitor& visitor)
+{
+ MonitorSet monitors;
+ monitors.MonitorCount = 0;
+ // Get all the monitor handles
+ EnumDisplayMonitors(NULL, NULL, MonitorEnumProc, (LPARAM)&monitors);
+
+ bool foundHMD = false;
+
+ // DeviceManager* manager = getManager();
+ 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++)
+ {
+
+ /*
+ wchar_t buff[500], flagsBuff[200];
+
+ swprintf_s(buff, 500, L"\nDEV: \"%s\" \"%s\" 0x%08x=%s\n \"%s\" \"%s\"\n",
+ dd.DeviceName, dd.DeviceString,
+ dd.StateFlags, FormatDisplayStateFlags(flagsBuff, 200, dd.StateFlags),
+ dd.DeviceID, dd.DeviceKey);
+ ::OutputDebugString(buff);
+ */
+
+ for (j = 0;
+ (ZeroMemory(&ddm, sizeof(ddm)), ddm.cb = sizeof(ddm),
+ EnumDisplayDevices(dd.DeviceName, j, &ddm, 0)) != 0; j++)
+ {
+ /*
+ wchar_t mbuff[500];
+ swprintf_s(mbuff, 500, L"MON: \"%s\" \"%s\" 0x%08x=%s\n \"%s\" \"%s\"\n",
+ ddm.DeviceName, ddm.DeviceString,
+ ddm.StateFlags, FormatDisplayStateFlags(flagsBuff, 200, ddm.StateFlags),
+ ddm.DeviceID, ddm.DeviceKey);
+ ::OutputDebugString(mbuff);
+ */
+
+ // 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);
+
+ // The default monitor coordinates
+ int mx = 0;
+ int my = 0;
+ int mwidth = 1280;
+ int mheight = 800;
+
+ // 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
+ mx = info.rcMonitor.left;
+ my = info.rcMonitor.top;
+ //mwidth = info.rcMonitor.right - info.rcMonitor.left;
+ //mheight = info.rcMonitor.bottom - info.rcMonitor.top;
+ break;
+ }
+ }
+
+ HMDDeviceCreateDesc hmdCreateDesc(this, deviceId, displayDeviceName);
+
+ // Hard-coded defaults in case the device doesn't have the data itself.
+ if (wcsstr(ddm.DeviceID, L"OVR0003"))
+ { // DK2 prototypes and variants (default to HmdType_DK2)
+ hmdCreateDesc.SetScreenParameters(mx, my, 1920, 1080, 0.12576f, 0.07074f, 0.12576f*0.5f, 0.0635f );
+ }
+ else if (wcsstr(ddm.DeviceID, L"OVR0002"))
+ { // HD Prototypes (default to HmdType_DKHDProto)
+ hmdCreateDesc.SetScreenParameters(mx, my, 1920, 1080, 0.12096f, 0.06804f, 0.06804f*0.5f, 0.0635f );
+ }
+ else if (wcsstr(ddm.DeviceID, L"OVR0001"))
+ { // DK1
+ hmdCreateDesc.SetScreenParameters(mx, my, mwidth, mheight, 0.14976f, 0.0936f, 0.0936f*0.5f, 0.0635f);
+ }
+ else if (wcsstr(ddm.DeviceID, L"OVR00"))
+ { // Future Oculus HMD devices (default to DK1 dimensions)
+ hmdCreateDesc.SetScreenParameters(mx, my, mwidth, mheight, 0.14976f, 0.0936f, 0.0936f*0.5f, 0.0635f);
+ }
+ else
+ { // Duct-tape prototype
+ hmdCreateDesc.SetScreenParameters(mx, my, mwidth, mheight, 0.12096f, 0.0756f, 0.0756f*0.5f, 0.0635f);
+ }
+
+ OVR_DEBUG_LOG_TEXT(("DeviceManager - HMD Found %s - %s\n",
+ deviceId.ToCStr(), displayDeviceName.ToCStr()));
+
+ // Notify caller about detected device. This will call EnumerateAddDevice
+ // if the this is the first time device was detected.
+ visitor.Visit(hmdCreateDesc);
+ foundHMD = true;
+ break;
+ }
+ }
+ }
+
+ // Real HMD device is not found; however, we still may have a 'fake' HMD
+ // device created via SensorDeviceImpl::EnumerateHMDFromSensorDisplayInfo.
+ // Need to find it and set 'Enumerated' to true to avoid Removal notification.
+ if (!foundHMD)
+ {
+ Ptr<DeviceCreateDesc> hmdDevDesc = getManager()->FindDevice("", Device_HMD);
+ if (hmdDevDesc)
+ hmdDevDesc->Enumerated = true;
+ }
+}
+
+#include "OVR_Common_HMDDevice.cpp"
+
+}} // namespace OVR::Win32
+
+
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