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1 // Copyright 2014 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 "config.h" | |
6 #include "modules/vr/VRHardwareUnit.h" | |
7 | |
8 #include "modules/vr/HMDVRDevice.h" | |
9 #include "modules/vr/PositionSensorVRDevice.h" | |
10 #include "modules/vr/VRDevice.h" | |
11 #include "public/platform/Platform.h" | |
12 | |
13 namespace blink { | |
14 | |
15 VRHardwareUnit::VRHardwareUnit() | |
16 : m_frameIndex(0) | |
17 { | |
18 m_positionState = VRPositionState::create(); | |
19 m_currentFOVLeft = new VRFieldOfView(); | |
20 m_currentFOVRight = new VRFieldOfView(); | |
21 } | |
22 | |
23 VRHardwareUnit::~VRHardwareUnit() | |
24 { | |
25 } | |
26 | |
27 void VRHardwareUnit::updateFromWebVRDevice(const WebVRDevice& device) | |
28 { | |
29 m_index = device.index; | |
30 m_hardwareUnitId = device.deviceId; | |
31 | |
32 if (device.flags & WebVRDeviceTypeHMD) { | |
33 if (!m_hmd.get()) | |
sof
2015/02/24 12:35:29
get() is redundant (here and for other Member<> bo
| |
34 m_hmd = new HMDVRDevice(this); | |
35 m_hmd->updateFromWebVRDevice(device); | |
36 } else if (m_hmd.get()) { | |
37 m_hmd.clear(); | |
38 } | |
39 | |
40 if (device.flags & WebVRDeviceTypePosition) { | |
41 if (!m_positionSensor.get()) | |
42 m_positionSensor = new PositionSensorVRDevice(this); | |
43 m_positionSensor->updateFromWebVRDevice(device); | |
44 } else if (m_positionSensor.get()) { | |
45 m_positionSensor.clear(); | |
46 } | |
47 } | |
48 | |
49 void VRHardwareUnit::addDevicesToVector(HeapVector<Member<VRDevice>>& vrDevices) | |
Ken Russell (switch to Gerrit)
2015/02/23 19:39:32
Please make sure to get a review from someone who
| |
50 { | |
51 if (m_hmd.get()) | |
52 vrDevices.append(m_hmd); | |
53 | |
54 if (m_positionSensor.get()) | |
55 vrDevices.append(m_positionSensor); | |
56 } | |
57 | |
58 VRPositionState* VRHardwareUnit::getPositionState(double timeOffset) | |
59 { | |
60 blink::WebHMDSensorState state; | |
61 blink::Platform::current()->getHMDSensorState(m_index, timeOffset, state); | |
62 | |
63 m_positionState->setState(state); | |
64 m_frameIndex = state.frameIndex; | |
65 | |
66 return m_positionState; | |
67 } | |
68 | |
69 void VRHardwareUnit::setFieldOfView(unsigned eyeIndex, VRFieldOfView* fov) | |
70 { | |
71 switch (eyeIndex) { | |
72 case 0: | |
73 m_currentFOVLeft->setFromVRFieldOfView(*fov); | |
74 break; | |
75 case 1: | |
76 m_currentFOVRight->setFromVRFieldOfView(*fov); | |
77 break; | |
78 } | |
sof
2015/02/24 12:35:29
Appropriate to have a default: case here?
| |
79 } | |
80 | |
81 VRFieldOfView* VRHardwareUnit::getCurrentEyeFieldOfView(unsigned eyeIndex) const | |
82 { | |
83 switch (eyeIndex) { | |
84 case 0: | |
85 return new VRFieldOfView(*m_currentFOVLeft); | |
86 case 1: | |
87 return new VRFieldOfView(*m_currentFOVRight); | |
88 default: | |
89 return 0; | |
90 } | |
91 } | |
92 | |
93 WebVRFieldOfView VRHardwareUnit::getFieldOfView(unsigned eyeIndex) const | |
94 { | |
95 VRFieldOfView* srcFov = eyeIndex == 0 ? m_currentFOVLeft : m_currentFOVRight ; | |
96 | |
97 blink::WebVRFieldOfView fov; | |
98 fov.upDegrees = srcFov->upDegrees(); | |
99 fov.downDegrees = srcFov->downDegrees(); | |
100 fov.leftDegrees = srcFov->leftDegrees(); | |
101 fov.rightDegrees = srcFov->rightDegrees(); | |
102 return fov; | |
103 } | |
104 | |
105 void VRHardwareUnit::trace(Visitor* visitor) | |
106 { | |
107 visitor->trace(m_positionState); | |
108 visitor->trace(m_currentFOVLeft); | |
109 visitor->trace(m_currentFOVRight); | |
110 visitor->trace(m_hmd); | |
111 visitor->trace(m_positionSensor); | |
112 } | |
113 | |
114 } // namespace blink | |
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