зеркало из https://github.com/mozilla/gecko-dev.git
365 строки
11 KiB
C++
365 строки
11 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsWrapperCache.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/VRDeviceBinding.h"
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#include "mozilla/dom/ElementBinding.h"
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#include "mozilla/dom/VRDevice.h"
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#include "gfxVR.h"
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#include "nsIFrame.h"
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using namespace mozilla::gfx;
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(VRFieldOfViewReadOnly, mParent)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(VRFieldOfViewReadOnly, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(VRFieldOfViewReadOnly, Release)
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JSObject*
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VRFieldOfViewReadOnly::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return VRFieldOfViewReadOnlyBinding::Wrap(aCx, this, aGivenProto);
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}
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already_AddRefed<VRFieldOfView>
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VRFieldOfView::Constructor(const GlobalObject& aGlobal, const VRFieldOfViewInit& aParams,
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ErrorResult& aRV)
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{
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RefPtr<VRFieldOfView> fov =
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new VRFieldOfView(aGlobal.GetAsSupports(),
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aParams.mUpDegrees, aParams.mRightDegrees,
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aParams.mDownDegrees, aParams.mLeftDegrees);
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return fov.forget();
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}
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already_AddRefed<VRFieldOfView>
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VRFieldOfView::Constructor(const GlobalObject& aGlobal,
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double aUpDegrees, double aRightDegrees,
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double aDownDegrees, double aLeftDegrees,
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ErrorResult& aRV)
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{
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RefPtr<VRFieldOfView> fov =
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new VRFieldOfView(aGlobal.GetAsSupports(),
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aUpDegrees, aRightDegrees, aDownDegrees,
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aLeftDegrees);
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return fov.forget();
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}
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JSObject*
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VRFieldOfView::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto)
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{
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return VRFieldOfViewBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(VREyeParameters, mParent, mMinFOV, mMaxFOV, mRecFOV, mCurFOV, mEyeTranslation, mRenderRect)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(VREyeParameters, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(VREyeParameters, Release)
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VREyeParameters::VREyeParameters(nsISupports* aParent,
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const gfx::VRFieldOfView& aMinFOV,
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const gfx::VRFieldOfView& aMaxFOV,
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const gfx::VRFieldOfView& aRecFOV,
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const gfx::Point3D& aEyeTranslation,
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const gfx::VRFieldOfView& aCurFOV,
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const gfx::IntRect& aRenderRect)
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: mParent(aParent)
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{
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mMinFOV = new VRFieldOfView(aParent, aMinFOV);
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mMaxFOV = new VRFieldOfView(aParent, aMaxFOV);
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mRecFOV = new VRFieldOfView(aParent, aRecFOV);
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mCurFOV = new VRFieldOfView(aParent, aCurFOV);
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mEyeTranslation = new DOMPoint(aParent, aEyeTranslation.x, aEyeTranslation.y, aEyeTranslation.z, 0.0);
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mRenderRect = new DOMRect(aParent, aRenderRect.x, aRenderRect.y, aRenderRect.width, aRenderRect.height);
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}
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VRFieldOfView*
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VREyeParameters::MinimumFieldOfView()
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{
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return mMinFOV;
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}
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VRFieldOfView*
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VREyeParameters::MaximumFieldOfView()
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{
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return mMaxFOV;
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}
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VRFieldOfView*
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VREyeParameters::RecommendedFieldOfView()
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{
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return mRecFOV;
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}
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VRFieldOfView*
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VREyeParameters::CurrentFieldOfView()
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{
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return mCurFOV;
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}
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DOMPoint*
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VREyeParameters::EyeTranslation()
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{
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return mEyeTranslation;
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}
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DOMRect*
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VREyeParameters::RenderRect()
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{
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return mRenderRect;
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}
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JSObject*
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VREyeParameters::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return VREyeParametersBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(VRPositionState, mParent)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(VRPositionState, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(VRPositionState, Release)
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VRPositionState::VRPositionState(nsISupports* aParent, const gfx::VRHMDSensorState& aState)
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: mParent(aParent)
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, mVRState(aState)
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{
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mTimeStamp = aState.timestamp;
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if (aState.flags & gfx::VRHMDInfo::State_Position) {
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mPosition = new DOMPoint(mParent, aState.position[0], aState.position[1], aState.position[2], 0.0);
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}
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if (aState.flags & gfx::VRHMDInfo::State_Orientation) {
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mOrientation = new DOMPoint(mParent, aState.orientation[0], aState.orientation[1], aState.orientation[2], aState.orientation[3]);
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}
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}
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DOMPoint*
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VRPositionState::GetLinearVelocity()
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{
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if (!mLinearVelocity) {
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mLinearVelocity = new DOMPoint(mParent, mVRState.linearVelocity[0], mVRState.linearVelocity[1], mVRState.linearVelocity[2], 0.0);
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}
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return mLinearVelocity;
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}
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DOMPoint*
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VRPositionState::GetLinearAcceleration()
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{
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if (!mLinearAcceleration) {
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mLinearAcceleration = new DOMPoint(mParent, mVRState.linearAcceleration[0], mVRState.linearAcceleration[1], mVRState.linearAcceleration[2], 0.0);
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}
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return mLinearAcceleration;
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}
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DOMPoint*
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VRPositionState::GetAngularVelocity()
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{
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if (!mAngularVelocity) {
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mAngularVelocity = new DOMPoint(mParent, mVRState.angularVelocity[0], mVRState.angularVelocity[1], mVRState.angularVelocity[2], 0.0);
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}
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return mAngularVelocity;
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}
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DOMPoint*
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VRPositionState::GetAngularAcceleration()
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{
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if (!mAngularAcceleration) {
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mAngularAcceleration = new DOMPoint(mParent, mVRState.angularAcceleration[0], mVRState.angularAcceleration[1], mVRState.angularAcceleration[2], 0.0);
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}
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return mAngularAcceleration;
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}
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JSObject*
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VRPositionState::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return VRPositionStateBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMPL_CYCLE_COLLECTING_ADDREF(VRDevice)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(VRDevice)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(VRDevice)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(VRDevice, mParent)
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/* virtual */ JSObject*
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HMDVRDevice::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HMDVRDeviceBinding::Wrap(aCx, this, aGivenProto);
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}
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/* virtual */ JSObject*
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PositionSensorVRDevice::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return PositionSensorVRDeviceBinding::Wrap(aCx, this, aGivenProto);
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}
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namespace {
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class HMDInfoVRDevice : public HMDVRDevice
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{
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public:
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HMDInfoVRDevice(nsISupports* aParent, gfx::VRHMDInfo* aHMD)
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: HMDVRDevice(aParent, aHMD)
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{
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uint64_t hmdid = aHMD->GetDeviceIndex() << 8;
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uint64_t devid = hmdid | 0x00; // we generate a devid with low byte 0 for the HMD, 1 for the position sensor
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mHWID.Truncate();
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mHWID.AppendPrintf("0x%llx", hmdid);
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mDeviceId.Truncate();
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mDeviceId.AppendPrintf("0x%llx", devid);
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mDeviceName.Truncate();
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mDeviceName.Append(NS_ConvertASCIItoUTF16(aHMD->GetDeviceName()));
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mDeviceName.AppendLiteral(" (HMD)");
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mValid = true;
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}
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virtual ~HMDInfoVRDevice() { }
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/* If a field of view that is set to all 0's is passed in,
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* the recommended field of view for that eye is used.
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*/
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virtual void SetFieldOfView(const VRFieldOfViewInit& aLeftFOV,
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const VRFieldOfViewInit& aRightFOV,
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double zNear, double zFar) override
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{
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gfx::VRFieldOfView left = gfx::VRFieldOfView(aLeftFOV.mUpDegrees, aLeftFOV.mRightDegrees,
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aLeftFOV.mDownDegrees, aLeftFOV.mLeftDegrees);
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gfx::VRFieldOfView right = gfx::VRFieldOfView(aRightFOV.mUpDegrees, aRightFOV.mRightDegrees,
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aRightFOV.mDownDegrees, aRightFOV.mLeftDegrees);
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if (left.IsZero())
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left = mHMD->GetRecommendedEyeFOV(VRHMDInfo::Eye_Left);
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if (right.IsZero())
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right = mHMD->GetRecommendedEyeFOV(VRHMDInfo::Eye_Right);
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mHMD->SetFOV(left, right, zNear, zFar);
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}
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virtual already_AddRefed<VREyeParameters> GetEyeParameters(VREye aEye) override
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{
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gfx::IntSize sz(mHMD->SuggestedEyeResolution());
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gfx::VRHMDInfo::Eye eye = aEye == VREye::Left ? gfx::VRHMDInfo::Eye_Left : gfx::VRHMDInfo::Eye_Right;
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RefPtr<VREyeParameters> params =
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new VREyeParameters(mParent,
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gfx::VRFieldOfView(15, 15, 15, 15), // XXX min?
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mHMD->GetMaximumEyeFOV(eye),
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mHMD->GetRecommendedEyeFOV(eye),
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mHMD->GetEyeTranslation(eye),
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mHMD->GetEyeFOV(eye),
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gfx::IntRect((aEye == VREye::Left) ? 0 : sz.width, 0, sz.width, sz.height));
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return params.forget();
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}
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protected:
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};
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class HMDPositionVRDevice : public PositionSensorVRDevice
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{
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public:
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HMDPositionVRDevice(nsISupports* aParent, gfx::VRHMDInfo* aHMD)
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: PositionSensorVRDevice(aParent)
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, mHMD(aHMD)
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, mTracking(false)
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{
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uint64_t hmdid = aHMD->GetDeviceIndex() << 8;
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uint64_t devid = hmdid | 0x01; // we generate a devid with low byte 0 for the HMD, 1 for the position sensor
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mHWID.Truncate();
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mHWID.AppendPrintf("0x%llx", hmdid);
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mDeviceId.Truncate();
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mDeviceId.AppendPrintf("0x%llx", devid);
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mDeviceName.Truncate();
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mDeviceName.Append(NS_ConvertASCIItoUTF16(aHMD->GetDeviceName()));
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mDeviceName.AppendLiteral(" (Sensor)");
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mValid = true;
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}
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~HMDPositionVRDevice()
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{
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if (mTracking) {
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mHMD->StopSensorTracking();
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}
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}
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virtual already_AddRefed<VRPositionState> GetState() override
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{
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if (!mTracking) {
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mHMD->StartSensorTracking();
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mTracking = true;
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}
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gfx::VRHMDSensorState state = mHMD->GetSensorState();
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RefPtr<VRPositionState> obj = new VRPositionState(mParent, state);
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return obj.forget();
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}
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virtual already_AddRefed<VRPositionState> GetImmediateState() override
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{
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if (!mTracking) {
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mHMD->StartSensorTracking();
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mTracking = true;
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}
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gfx::VRHMDSensorState state = mHMD->GetSensorState();
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RefPtr<VRPositionState> obj = new VRPositionState(mParent, state);
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return obj.forget();
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}
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virtual void ResetSensor() override
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{
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mHMD->ZeroSensor();
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}
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protected:
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RefPtr<gfx::VRHMDInfo> mHMD;
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bool mTracking;
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};
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} // namespace
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bool
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VRDevice::CreateAllKnownVRDevices(nsISupports *aParent, nsTArray<RefPtr<VRDevice>>& aDevices)
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{
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nsTArray<RefPtr<gfx::VRHMDInfo>> hmds;
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gfx::VRHMDManager::GetAllHMDs(hmds);
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for (size_t i = 0; i < hmds.Length(); ++i) {
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uint32_t sensorBits = hmds[i]->GetSupportedSensorStateBits();
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aDevices.AppendElement(new HMDInfoVRDevice(aParent, hmds[i]));
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if (sensorBits &
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(gfx::VRHMDInfo::State_Position | gfx::VRHMDInfo::State_Orientation))
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{
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aDevices.AppendElement(new HMDPositionVRDevice(aParent, hmds[i]));
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}
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}
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return true;
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}
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} // namespace dom
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} // namespace mozilla
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