diff options
| author | Brad Davis <[email protected]> | 2013-06-27 11:25:32 -0800 |
|---|---|---|
| committer | Brad Davis <[email protected]> | 2013-06-28 10:47:29 -0700 |
| commit | ebefcc885f74461cd0e3f19b5ae3622dc6cf6dbc (patch) | |
| tree | 2b16db7350fce54c2e6c1b1c4020d67419cb1164 /LibOVR/Src/OVR_Win32_HMDDevice.cpp | |
| parent | 0ade748e1845694c5cbe562fb823e56f09773e27 (diff) | |
SDK 0.2.2
Diffstat (limited to 'LibOVR/Src/OVR_Win32_HMDDevice.cpp')
| -rw-r--r-- | LibOVR/Src/OVR_Win32_HMDDevice.cpp | 418 |
1 files changed, 418 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..095d3a8 --- /dev/null +++ b/LibOVR/Src/OVR_Win32_HMDDevice.cpp @@ -0,0 +1,418 @@ +/************************************************************************************
+
+Filename : OVR_Win32_HMDDevice.cpp
+Content : Win32 Interface to HMD - detects HMD display
+Created : September 21, 2012
+Authors : Michael Antonov
+
+Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved.
+
+Use of this software is subject to the terms of the Oculus license
+agreement provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+*************************************************************************************/
+
+#include "OVR_Win32_HMDDevice.h"
+
+#include "OVR_Win32_DeviceManager.h"
+
+#include <tchar.h>
+
+namespace OVR { namespace Win32 {
+
+//-------------------------------------------------------------------------------------
+
+HMDDeviceCreateDesc::HMDDeviceCreateDesc(DeviceFactory* factory,
+ const String& deviceId, const String& displayDeviceName)
+ : DeviceCreateDesc(factory, Device_HMD),
+ DeviceId(deviceId), DisplayDeviceName(displayDeviceName),
+ DesktopX(0), DesktopY(0), Contents(0),
+ HResolution(0), VResolution(0), HScreenSize(0), VScreenSize(0)
+{
+}
+HMDDeviceCreateDesc::HMDDeviceCreateDesc(const HMDDeviceCreateDesc& other)
+ : DeviceCreateDesc(other.pFactory, Device_HMD),
+ DeviceId(other.DeviceId), DisplayDeviceName(other.DisplayDeviceName),
+ DesktopX(other.DesktopX), DesktopY(other.DesktopY), Contents(other.Contents),
+ HResolution(other.HResolution), VResolution(other.VResolution),
+ HScreenSize(other.HScreenSize), VScreenSize(other.VScreenSize)
+{
+}
+
+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() ||
+ ((HScreenSize == s2.HScreenSize) &&
+ (VScreenSize == s2.VScreenSize)) )
+ {
+ *pcandidate = 0;
+ return Match_Found;
+ }
+ }
+
+
+ // DisplayInfo takes precedence, although we try to match it first.
+ if ((HResolution == s2.HResolution) &&
+ (VResolution == s2.VResolution) &&
+ (HScreenSize == s2.HScreenSize) &&
+ (VScreenSize == s2.VScreenSize))
+ {
+ 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())
+ {
+ HScreenSize = s2.HScreenSize;
+ VScreenSize = s2.VScreenSize;
+ Contents |= Contents_Screen;
+
+ if (s2.Contents & HMDDeviceCreateDesc::Contents_Distortion)
+ {
+ memcpy(DistortionK, s2.DistortionK, sizeof(float)*4);
+ Contents |= Contents_Distortion;
+ }
+ DeviceId = s2.DeviceId;
+ DisplayDeviceName = s2.DisplayDeviceName;
+ if (newDeviceFlag) *newDeviceFlag = true;
+ }
+ else if (DeviceId.IsEmpty())
+ {
+ DeviceId = s2.DeviceId;
+ DisplayDeviceName = s2.DisplayDeviceName;
+ 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::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);
+
+ if (hmdCreateDesc.Is7Inch())
+ {
+ // Physical dimension of SLA screen.
+ hmdCreateDesc.SetScreenParameters(mx, my, mwidth, mheight, 0.14976f, 0.0936f);
+ }
+ else
+ {
+ hmdCreateDesc.SetScreenParameters(mx, my, mwidth, mheight, 0.12096f, 0.0756f);
+ }
+
+ 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;
+ }
+}
+
+DeviceBase* HMDDeviceCreateDesc::NewDeviceInstance()
+{
+ return new HMDDevice(this);
+}
+
+bool HMDDeviceCreateDesc::Is7Inch() const
+{
+ return (strstr(DeviceId.ToCStr(), "OVR0001") != 0) || (Contents & Contents_7Inch);
+}
+
+bool HMDDeviceCreateDesc::GetDeviceInfo(DeviceInfo* info) const
+{
+ if ((info->InfoClassType != Device_HMD) &&
+ (info->InfoClassType != Device_None))
+ return false;
+
+ bool is7Inch = Is7Inch();
+
+ OVR_strcpy(info->ProductName, DeviceInfo::MaxNameLength,
+ is7Inch ? "Oculus Rift DK1" : "Oculus Rift DK1-Prototype");
+ OVR_strcpy(info->Manufacturer, DeviceInfo::MaxNameLength, "Oculus VR");
+ info->Type = Device_HMD;
+ info->Version = 0;
+
+ // Display detection.
+ if (info->InfoClassType == Device_HMD)
+ {
+ HMDInfo* hmdInfo = static_cast<HMDInfo*>(info);
+
+ hmdInfo->DesktopX = DesktopX;
+ hmdInfo->DesktopY = DesktopY;
+ hmdInfo->HResolution = HResolution;
+ hmdInfo->VResolution = VResolution;
+ hmdInfo->HScreenSize = HScreenSize;
+ hmdInfo->VScreenSize = VScreenSize;
+ hmdInfo->VScreenCenter = VScreenSize * 0.5f;
+ hmdInfo->InterpupillaryDistance = 0.064f; // Default IPD; should be configurable.
+ hmdInfo->LensSeparationDistance = 0.0635f;
+
+ if (Contents & Contents_Distortion)
+ {
+ memcpy(hmdInfo->DistortionK, DistortionK, sizeof(float)*4);
+ }
+ else
+ {
+ if (is7Inch)
+ {
+ // 7" screen.
+ hmdInfo->DistortionK[0] = 1.0f;
+ hmdInfo->DistortionK[1] = 0.22f;
+ hmdInfo->DistortionK[2] = 0.24f;
+ hmdInfo->EyeToScreenDistance = 0.041f;
+
+ hmdInfo->ChromaAbCorrection[0] = 0.996f;
+ hmdInfo->ChromaAbCorrection[1] = -0.004f;
+ hmdInfo->ChromaAbCorrection[2] = 1.014f;
+ hmdInfo->ChromaAbCorrection[3] = 0.0f;
+ }
+ else
+ {
+ hmdInfo->DistortionK[0] = 1.0f;
+ hmdInfo->DistortionK[1] = 0.18f;
+ hmdInfo->DistortionK[2] = 0.115f;
+ hmdInfo->EyeToScreenDistance = 0.0387f;
+ }
+ }
+
+ OVR_strcpy(hmdInfo->DisplayDeviceName, sizeof(hmdInfo->DisplayDeviceName),
+ DisplayDeviceName.ToCStr());
+ }
+
+ return true;
+}
+
+//-------------------------------------------------------------------------------------
+// ***** HMDDevice
+
+HMDDevice::HMDDevice(HMDDeviceCreateDesc* createDesc)
+ : OVR::DeviceImpl<OVR::HMDDevice>(createDesc, 0)
+{
+}
+HMDDevice::~HMDDevice()
+{
+}
+
+bool HMDDevice::Initialize(DeviceBase* parent)
+{
+ pParent = parent;
+ return true;
+}
+void HMDDevice::Shutdown()
+{
+ pParent.Clear();
+}
+
+OVR::SensorDevice* HMDDevice::GetSensor()
+{
+ // Just return first sensor found since we have no way to match it yet.
+ OVR::SensorDevice* sensor = GetManager()->EnumerateDevices<SensorDevice>().CreateDevice();
+ if (sensor)
+ sensor->SetCoordinateFrame(SensorDevice::Coord_HMD);
+ return sensor;
+}
+
+}} // namespace OVR::Win32
+
+
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