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