third_party/WebKit/Source/modules/vr/VRHardwareUnit.cpp - Issue 1918143007: Updated Blink WebVR interfaces to WebVR v1 spec

Side by Side Diff: third_party/WebKit/Source/modules/vr/VRHardwareUnit.cpp

Issue 1918143007: Updated Blink WebVR interfaces to WebVR v1 spec (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@webvr_mojo

Patch Set: Fixed layout test Created 4 years, 7 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

OLD	NEW
	(Empty)
1 // Copyright 2015 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "modules/vr/VRHardwareUnit.h"

6

7 #include "modules/vr/HMDVRDevice.h"

8 #include "modules/vr/NavigatorVRDevice.h"

9 #include "modules/vr/PositionSensorVRDevice.h"

10 #include "modules/vr/VRController.h"

11 #include "modules/vr/VRDevice.h"

12 #include "public/platform/Platform.h"

13

14 namespace blink {

15

16 VRHardwareUnit::VRHardwareUnit(NavigatorVRDevice* navigatorVRDevice)

17 : m_nextDeviceId(1)

18 , m_frameIndex(0)

19 , m_navigatorVRDevice(navigatorVRDevice)

20 , m_canUpdatePositionState(true)

21 {

22 m_positionState = VRPositionState::create();

23 }

24

25 VRHardwareUnit::~VRHardwareUnit()

26 {

27 if (!m_canUpdatePositionState)

28 Platform::current()->currentThread()->removeTaskObserver(this);

29 }

30

31 void VRHardwareUnit::updateFromWebVRDevice(const WebVRDevice& device)

32 {

33 m_index = device.index;

34 m_hardwareUnitId = String::number(device.index);

35

36 if (device.flags & WebVRDeviceTypeHMD) {

37 if (!m_hmd)

38 m_hmd = new HMDVRDevice(this, m_nextDeviceId++);

39 m_hmd->updateFromWebVRDevice(device);

40 } else if (m_hmd) {

41 m_hmd.clear();

42 }

43

44 if (device.flags & WebVRDeviceTypePosition) {

45 if (!m_positionSensor)

46 m_positionSensor = new PositionSensorVRDevice(this, m_nextDeviceId++ );

47 m_positionSensor->updateFromWebVRDevice(device);

48 } else if (m_positionSensor) {

49 m_positionSensor.clear();

50 }

51 }

52

53 void VRHardwareUnit::addDevicesToVector(HeapVector<Member<VRDevice>>& vrDevices)

54 {

55 if (m_hmd)

56 vrDevices.append(m_hmd);

57

58 if (m_positionSensor)

59 vrDevices.append(m_positionSensor);

60 }

61

62 VRController* VRHardwareUnit::controller()

63 {

64 return m_navigatorVRDevice->controller();

65 }

66

67 VRPositionState* VRHardwareUnit::getSensorState()

68 {

69 if (m_canUpdatePositionState) {

70 m_positionState = getImmediateSensorState(true);

71 Platform::current()->currentThread()->addTaskObserver(this);

72 m_canUpdatePositionState = false;

73 }

74

75 return m_positionState;

76 }

77

78 VRPositionState* VRHardwareUnit::getImmediateSensorState(bool updateFrameIndex)

79 {

80 WebHMDSensorState state;

81 controller()->getSensorState(m_index, state);

82 if (updateFrameIndex)

83 m_frameIndex = state.frameIndex;

84

85 VRPositionState* immediatePositionState = VRPositionState::create();

86 immediatePositionState->setState(state);

87 return immediatePositionState;

88 }

89

90

91 void VRHardwareUnit::didProcessTask()

92 {

93 // State should be stable until control is returned to the user agent.

94 if (!m_canUpdatePositionState) {

95 Platform::current()->currentThread()->removeTaskObserver(this);

96 m_canUpdatePositionState = true;

97 }

98 }

99

100 DEFINE_TRACE(VRHardwareUnit)

101 {

102 visitor->trace(m_navigatorVRDevice);

103 visitor->trace(m_positionState);

104 visitor->trace(m_hmd);

105 visitor->trace(m_positionSensor);

106 }

107

108 } // namespace blink

OLD	NEW