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 "config.h" |
| 6 #include "modules/vr/HMDVRDevice.h" |
| 7 |
| 8 #include "modules/vr/VRFieldOfView.h" |
| 9 #include "public/platform/Platform.h" |
| 10 #include "public/platform/WebSize.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 namespace { |
| 15 |
| 16 void setDomPoint(DOMPoint* point, const blink::WebVRVector3& vec) |
| 17 { |
| 18 point->setX(vec.x); |
| 19 point->setY(vec.y); |
| 20 point->setZ(vec.z); |
| 21 point->setW(0.0); |
| 22 } |
| 23 |
| 24 } // namespace |
| 25 |
| 26 HMDVRDevice::HMDVRDevice(VRHardwareUnit* hardwareUnit) |
| 27 : VRDevice(hardwareUnit) |
| 28 { |
| 29 m_recommendedFOVLeft = new VRFieldOfView(); |
| 30 m_recommendedFOVRight = new VRFieldOfView(); |
| 31 m_maximumFOVLeft = new VRFieldOfView(); |
| 32 m_maximumFOVRight = new VRFieldOfView(); |
| 33 m_eyeTranslationLeft = DOMPoint::create(0, 0, 0, 0); |
| 34 m_eyeTranslationRight = DOMPoint::create(0, 0, 0, 0); |
| 35 } |
| 36 |
| 37 VREye HMDVRDevice::StringToVREye(const String& whichEye) |
| 38 { |
| 39 if (whichEye == "left") |
| 40 return VREyeLeft; |
| 41 if (whichEye == "right") |
| 42 return VREyeRight; |
| 43 return VREyeNone; |
| 44 } |
| 45 |
| 46 void HMDVRDevice::updateFromWebVRDevice(const WebVRDevice& device) |
| 47 { |
| 48 VRDevice::updateFromWebVRDevice(device); |
| 49 const blink::WebVRHMDInfo &hmdInfo = device.hmdInfo; |
| 50 |
| 51 m_recommendedFOVLeft->setFromWebVRFieldOfView(hmdInfo.recommendedFOVLeft); |
| 52 m_recommendedFOVRight->setFromWebVRFieldOfView(hmdInfo.recommendedFOVRight); |
| 53 m_maximumFOVLeft->setFromWebVRFieldOfView(hmdInfo.maximumFOVLeft); |
| 54 m_maximumFOVRight->setFromWebVRFieldOfView(hmdInfo.maximumFOVRight); |
| 55 setDomPoint(m_eyeTranslationLeft, hmdInfo.eyeTranslationLeft); |
| 56 setDomPoint(m_eyeTranslationRight, hmdInfo.eyeTranslationRight); |
| 57 hardwareUnit()->setFieldOfView(VREyeLeft, m_recommendedFOVLeft); |
| 58 hardwareUnit()->setFieldOfView(VREyeRight, m_recommendedFOVRight); |
| 59 } |
| 60 |
| 61 DOMPoint* HMDVRDevice::getEyeTranslation(const String& whichEye) |
| 62 { |
| 63 switch (StringToVREye(whichEye)) { |
| 64 case VREyeLeft: |
| 65 return m_eyeTranslationLeft; |
| 66 case VREyeRight: |
| 67 return m_eyeTranslationRight; |
| 68 default: |
| 69 return DOMPoint::create(0, 0, 0, 0); |
| 70 } |
| 71 } |
| 72 |
| 73 VRFieldOfView* HMDVRDevice::getCurrentEyeFieldOfView(const String& whichEye) |
| 74 { |
| 75 return hardwareUnit()->getCurrentEyeFieldOfView(StringToVREye(whichEye)); |
| 76 } |
| 77 |
| 78 VRFieldOfView* HMDVRDevice::getRecommendedEyeFieldOfView(const String& whichEye) |
| 79 { |
| 80 switch (StringToVREye(whichEye)) { |
| 81 case VREyeLeft: |
| 82 return new VRFieldOfView(*m_recommendedFOVLeft); |
| 83 case VREyeRight: |
| 84 return new VRFieldOfView(*m_recommendedFOVRight); |
| 85 default: |
| 86 return new VRFieldOfView(); |
| 87 } |
| 88 } |
| 89 |
| 90 VRFieldOfView* HMDVRDevice::getMaximumEyeFieldOfView(const String& whichEye) |
| 91 { |
| 92 switch (StringToVREye(whichEye)) { |
| 93 case VREyeLeft: |
| 94 return new VRFieldOfView(*m_maximumFOVLeft); |
| 95 case VREyeRight: |
| 96 return new VRFieldOfView(*m_maximumFOVRight); |
| 97 default: |
| 98 return new VRFieldOfView(); |
| 99 } |
| 100 } |
| 101 |
| 102 DOMRect* HMDVRDevice::getRecommendedEyeRenderRect(const String& whichEye) |
| 103 { |
| 104 // FIXME: This doesn't change unless you reset the FOV. Cache it. |
| 105 blink::WebSize size; |
| 106 blink::Platform::current()->getVRRenderTargetSize(index(), |
| 107 hardwareUnit()->getFieldOfView(VREyeLeft), |
| 108 hardwareUnit()->getFieldOfView(VREyeRight), |
| 109 &size); |
| 110 |
| 111 // FIXME: We can actually fetch individual eye rects from the Oculus SDK. |
| 112 // Plumb that through and expose it here. |
| 113 switch (StringToVREye(whichEye)) { |
| 114 case VREyeLeft: |
| 115 return DOMRect::create(0, 0, size.width / 2.0f, size.height); |
| 116 case VREyeRight: |
| 117 return DOMRect::create(size.width / 2.0f, 0, size.width / 2.0f, size.hei
ght); |
| 118 default: |
| 119 return DOMRect::create(0, 0, 0, 0); |
| 120 } |
| 121 } |
| 122 |
| 123 void HMDVRDevice::setFieldOfView(VRFieldOfView* leftFov, VRFieldOfView* rightFov
) |
| 124 { |
| 125 // FIXME: Clamp to maxFOV |
| 126 if (leftFov) { |
| 127 hardwareUnit()->setFieldOfView(VREyeLeft, leftFov); |
| 128 } else { |
| 129 hardwareUnit()->setFieldOfView(VREyeLeft, m_recommendedFOVLeft); |
| 130 } |
| 131 |
| 132 if (rightFov) { |
| 133 hardwareUnit()->setFieldOfView(VREyeRight, rightFov); |
| 134 } else { |
| 135 hardwareUnit()->setFieldOfView(VREyeRight, m_recommendedFOVRight); |
| 136 } |
| 137 } |
| 138 |
| 139 void HMDVRDevice::trace(Visitor* visitor) |
| 140 { |
| 141 visitor->trace(m_recommendedFOVLeft); |
| 142 visitor->trace(m_recommendedFOVRight); |
| 143 visitor->trace(m_maximumFOVLeft); |
| 144 visitor->trace(m_maximumFOVRight); |
| 145 visitor->trace(m_eyeTranslationLeft); |
| 146 visitor->trace(m_eyeTranslationRight); |
| 147 |
| 148 VRDevice::trace(visitor); |
| 149 } |
| 150 |
| 151 } // namespace blink |
OLD | NEW |