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Diffstat (limited to 'LibOVR/Src/OVR_OSX_HMDDevice.cpp')
| -rw-r--r-- | LibOVR/Src/OVR_OSX_HMDDevice.cpp | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/LibOVR/Src/OVR_OSX_HMDDevice.cpp b/LibOVR/Src/OVR_OSX_HMDDevice.cpp new file mode 100644 index 0000000..e16de81 --- /dev/null +++ b/LibOVR/Src/OVR_OSX_HMDDevice.cpp @@ -0,0 +1,264 @@ +/************************************************************************************ + +Filename : OVR_OSX_HMDDevice.cpp +Content : OSX 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_OSX_HMDDevice.h" + +#include "OVR_OSX_DeviceManager.h" +#include "Util/Util_Render_Stereo.h" + +#include "OVR_OSX_HMDDevice.h" +#include <ApplicationServices/ApplicationServices.h> +#include <CoreFoundation/CoreFoundation.h> +#include <CoreFoundation/CFString.h> +#include <IOKit/graphics/IOGraphicsLib.h> + +namespace OVR { namespace OSX { + +using namespace OVR::Util::Render; + +//------------------------------------------------------------------------------------- + +HMDDeviceCreateDesc::HMDDeviceCreateDesc(DeviceFactory* factory, + UInt32 vend, UInt32 prod, const String& displayDeviceName, int dispId) + : DeviceCreateDesc(factory, Device_HMD), + DisplayDeviceName(displayDeviceName), + Contents(0), + DisplayId(dispId) +{ + OVR_UNUSED(vend); + OVR_UNUSED(prod); + DeviceId = DisplayDeviceName; + + 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), + DisplayId(other.DisplayId) +{ + 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) && + (DisplayId == s2.DisplayId)) + { + // 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 candidiate. + if (s2.DeviceId.IsEmpty() && s2.DisplayId == 0) + { + *pcandidate = const_cast<DeviceCreateDesc*>((const DeviceCreateDesc*)this); + return Match_Candidate; + } + // OTHER HMD Monitor desc may initialize DeviceName/Id + else if (DeviceId.IsEmpty() && DisplayId == 0) + { + *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() && s2.DisplayId == 0) + { + 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; + DisplayId = s2.DisplayId; + 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; + DisplayId = s2.DisplayId; + 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; +} + + +//------------------------------------------------------------------------------------- + + +//------------------------------------------------------------------------------------- +// ***** HMDDeviceFactory + +HMDDeviceFactory &HMDDeviceFactory::GetInstance() +{ + static HMDDeviceFactory instance; + return instance; +} + +void HMDDeviceFactory::EnumerateDevices(EnumerateVisitor& visitor) +{ + CGDirectDisplayID Displays[32]; + uint32_t NDisplays = 0; + CGGetOnlineDisplayList(32, Displays, &NDisplays); + + for (unsigned int i = 0; i < NDisplays; i++) + { + io_service_t port = CGDisplayIOServicePort(Displays[i]); + CFDictionaryRef DispInfo = IODisplayCreateInfoDictionary(port, kIODisplayMatchingInfo); + + uint32_t vendor = CGDisplayVendorNumber(Displays[i]); + uint32_t product = CGDisplayModelNumber(Displays[i]); + + CGRect desktop = CGDisplayBounds(Displays[i]); + + if (vendor == 16082 && ( (product == 1)||(product == 2) ) ) // 7" or HD + { + char idstring[9]; + idstring[0] = 'A'-1+((vendor>>10) & 31); + idstring[1] = 'A'-1+((vendor>>5) & 31); + idstring[2] = 'A'-1+((vendor>>0) & 31); + snprintf(idstring+3, 5, "%04d", product); + + HMDDeviceCreateDesc hmdCreateDesc(this, vendor, product, idstring, Displays[i]); + + // Hard-coded defaults in case the device doesn't have the data itself. + if (product == 3) + { // DK2 prototypes and variants (default to HmdType_DK2) + hmdCreateDesc.SetScreenParameters(desktop.origin.x, desktop.origin.y, + 1920, 1080, 0.12576f, 0.07074f, 0.12576f*0.5f, 0.0635f ); + } + else if (product == 2) + { // HD Prototypes (default to HmdType_DKHDProto) + hmdCreateDesc.SetScreenParameters(desktop.origin.x, desktop.origin.y, + 1920, 1080, 0.12096f, 0.06804f, 0.06804f*0.5f, 0.0635f); + } + else if (product == 1) + { // DK1 + hmdCreateDesc.SetScreenParameters(desktop.origin.x, desktop.origin.y, + 1280, 800, 0.14976f, 0.0936f, 0.0936f*0.5f, 0.0635f); + } + else + { // Future Oculus HMD devices (default to DK1 dimensions) + hmdCreateDesc.SetScreenParameters(desktop.origin.x, desktop.origin.y, + 1280, 800, 0.14976f, 0.0936f, 0.0936f*0.5f, 0.0635f); + } + + OVR_DEBUG_LOG_TEXT(("DeviceManager - HMD Found %x:%x\n", vendor, product)); + + // Notify caller about detected device. This will call EnumerateAddDevice + // if the this is the first time device was detected. + visitor.Visit(hmdCreateDesc); + } + CFRelease(DispInfo); + } +} + +#include "OVR_Common_HMDDevice.cpp" + +}} // namespace OVR::OSX + + |