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-/************************************************************************************
-
-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)||(product == 3) ) ) // 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, 0.07074f*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
-
-