gecko-dev/dom/base/Pose.cpp
Imanol Fernandez dea3eb36d1 Bug 1574996 - Fix broken VRPose arrays. r=kip
Fix broken array and simplify Pose::SetFloat32Array (remove bCreate parameter)

Differential Revision: https://phabricator.services.mozilla.com/D42541

--HG--
extra : moz-landing-system : lando
2019-08-20 18:34:24 +00:00

89 lines
2.8 KiB
C++

/* -*- 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/HoldDropJSObjects.h"
#include "mozilla/dom/TypedArray.h"
#include "mozilla/dom/Pose.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_CLASS(Pose)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(Pose)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mParent)
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
tmp->mPosition = nullptr;
tmp->mLinearVelocity = nullptr;
tmp->mLinearAcceleration = nullptr;
tmp->mOrientation = nullptr;
tmp->mAngularVelocity = nullptr;
tmp->mAngularAcceleration = nullptr;
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(Pose)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(Pose)
NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mPosition)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mLinearVelocity)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mLinearAcceleration)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mOrientation)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mAngularVelocity)
NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mAngularAcceleration)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(Pose, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(Pose, Release)
Pose::Pose(nsISupports* aParent)
: mParent(aParent),
mPosition(nullptr),
mLinearVelocity(nullptr),
mLinearAcceleration(nullptr),
mOrientation(nullptr),
mAngularVelocity(nullptr),
mAngularAcceleration(nullptr) {
mozilla::HoldJSObjects(this);
}
Pose::~Pose() { mozilla::DropJSObjects(this); }
nsISupports* Pose::GetParentObject() const { return mParent; }
void Pose::SetFloat32Array(JSContext* aJSContext, nsWrapperCache* creator,
JS::MutableHandle<JSObject*> aRetVal,
JS::Heap<JSObject*>& aObj, float* aVal,
uint32_t aValLength, ErrorResult& aRv) {
if (!aVal) {
aRetVal.set(nullptr);
return;
}
if (!aObj) {
aObj = Float32Array::Create(aJSContext, creator, aValLength, aVal);
if (!aObj) {
aRv.NoteJSContextException(aJSContext);
return;
}
} else {
JS::AutoCheckCannotGC nogc;
bool isShared = false;
JS::RootedObject obj(aJSContext, aObj.get());
float* data = JS_GetFloat32ArrayData(obj, &isShared, nogc);
if (data) {
memcpy(data, aVal, aValLength * sizeof(float));
}
}
aRetVal.set(aObj);
}
} // namespace dom
} // namespace mozilla