1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/XRRigidTransform.h"
#include "mozilla/HoldDropJSObjects.h"
#include "mozilla/dom/DOMPoint.h"
#include "mozilla/dom/DOMPointBinding.h"
#include "mozilla/dom/Pose.h"
#include "nsWrapperCache.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_WITH_JS_MEMBERS(XRRigidTransform,
(mParent, mPosition,
mOrientation, mInverse),
(mMatrixArray))
XRRigidTransform::XRRigidTransform(nsISupports* aParent,
const gfx::PointDouble3D& aPosition,
const gfx::QuaternionDouble& aOrientation)
: mParent(aParent),
mMatrixArray(nullptr),
mPosition(nullptr),
mOrientation(nullptr),
mInverse(nullptr),
mRawPosition(aPosition),
mRawOrientation(aOrientation),
mNeedsUpdate(true) {
mozilla::HoldJSObjects(this);
mRawTransformMatrix.SetRotationFromQuaternion(mRawOrientation);
mRawTransformMatrix.PostTranslate(mRawPosition);
}
XRRigidTransform::XRRigidTransform(nsISupports* aParent,
const gfx::Matrix4x4Double& aTransform)
: mParent(aParent),
mMatrixArray(nullptr),
mPosition(nullptr),
mOrientation(nullptr),
mInverse(nullptr),
mNeedsUpdate(true) {
mozilla::HoldJSObjects(this);
gfx::PointDouble3D scale;
mRawTransformMatrix = aTransform;
mRawTransformMatrix.Decompose(mRawPosition, mRawOrientation, scale);
}
XRRigidTransform::~XRRigidTransform() { mozilla::DropJSObjects(this); }
/* static */ already_AddRefed<XRRigidTransform> XRRigidTransform::Constructor(
const GlobalObject& aGlobal, const DOMPointInit& aOrigin,
const DOMPointInit& aDirection, ErrorResult& aRv) {
gfx::PointDouble3D position(aOrigin.mX, aOrigin.mY, aOrigin.mZ);
gfx::QuaternionDouble orientation(aDirection.mX, aDirection.mY, aDirection.mZ,
aDirection.mW);
orientation.Normalize();
RefPtr<XRRigidTransform> obj =
new XRRigidTransform(aGlobal.GetAsSupports(), position, orientation);
return obj.forget();
}
JSObject* XRRigidTransform::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return XRRigidTransform_Binding::Wrap(aCx, this, aGivenProto);
}
DOMPoint* XRRigidTransform::Position() {
if (!mPosition) {
mPosition = new DOMPoint(mParent, mRawPosition.x, mRawPosition.y,
mRawPosition.z, 1.0f);
}
return mPosition;
}
DOMPoint* XRRigidTransform::Orientation() {
if (!mOrientation) {
mOrientation = new DOMPoint(mParent, mRawOrientation.x, mRawOrientation.y,
mRawOrientation.z, mRawOrientation.w);
}
return mOrientation;
}
XRRigidTransform& XRRigidTransform::operator=(const XRRigidTransform& aOther) {
Update(aOther.mRawPosition, aOther.mRawOrientation);
return *this;
}
gfx::QuaternionDouble XRRigidTransform::RawOrientation() const {
return mRawOrientation;
}
gfx::PointDouble3D XRRigidTransform::RawPosition() const {
return mRawPosition;
}
void XRRigidTransform::Update(const gfx::PointDouble3D& aPosition,
const gfx::QuaternionDouble& aOrientation) {
mNeedsUpdate = true;
mRawPosition = aPosition;
mRawOrientation = aOrientation;
mRawTransformMatrix.SetRotationFromQuaternion(mRawOrientation);
mRawTransformMatrix.PostTranslate(mRawPosition);
UpdateInternal();
}
void XRRigidTransform::Update(const gfx::Matrix4x4Double& aTransform) {
mNeedsUpdate = true;
mRawTransformMatrix = aTransform;
gfx::PointDouble3D scale;
mRawTransformMatrix.Decompose(mRawPosition, mRawOrientation, scale);
UpdateInternal();
}
void XRRigidTransform::UpdateInternal() {
if (mPosition) {
mPosition->SetX(mRawPosition.x);
mPosition->SetY(mRawPosition.y);
mPosition->SetZ(mRawPosition.z);
}
if (mOrientation) {
mOrientation->SetX(mRawOrientation.x);
mOrientation->SetY(mRawOrientation.y);
mOrientation->SetZ(mRawOrientation.z);
mOrientation->SetW(mRawOrientation.w);
}
if (mInverse) {
gfx::Matrix4x4Double inverseMatrix = mRawTransformMatrix;
(void)inverseMatrix.Invert();
mInverse->Update(inverseMatrix);
}
}
void XRRigidTransform::GetMatrix(JSContext* aCx,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aRv) {
if (!mMatrixArray || mNeedsUpdate) {
mNeedsUpdate = false;
const uint32_t size = 16;
float components[size] = {};
// In order to avoid some platforms which only copy
// the first or last two bytes of a Float64 to a Float32.
for (uint32_t i = 0; i < size; ++i) {
components[i] = mRawTransformMatrix.components[i];
}
Pose::SetFloat32Array(aCx, this, aRetval, mMatrixArray, components, 16,
aRv);
if (!mMatrixArray) {
return;
}
}
if (mMatrixArray) {
JS::ExposeObjectToActiveJS(mMatrixArray);
}
aRetval.set(mMatrixArray);
}
already_AddRefed<XRRigidTransform> XRRigidTransform::Inverse() {
if (!mInverse) {
gfx::Matrix4x4Double inverseMatrix = mRawTransformMatrix;
(void)inverseMatrix.Invert();
mInverse = new XRRigidTransform(mParent, inverseMatrix);
}
RefPtr<XRRigidTransform> inverse = mInverse;
return inverse.forget();
}
} // namespace mozilla::dom
|
