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-rw-r--r--dom/vr/VRDisplay.h362
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diff --git a/dom/vr/VRDisplay.h b/dom/vr/VRDisplay.h
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--- a/dom/vr/VRDisplay.h
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-/* -*- 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/. */
-
-#ifndef mozilla_dom_VRDisplay_h_
-#define mozilla_dom_VRDisplay_h_
-
-#include <stdint.h>
-
-#include "mozilla/ErrorResult.h"
-#include "mozilla/dom/TypedArray.h"
-#include "mozilla/dom/VRDisplayBinding.h"
-#include "mozilla/DOMEventTargetHelper.h"
-#include "mozilla/dom/DOMPoint.h"
-#include "mozilla/dom/DOMRect.h"
-#include "mozilla/dom/Pose.h"
-
-#include "nsCOMPtr.h"
-#include "nsString.h"
-#include "nsTArray.h"
-
-#include "gfxVR.h"
-
-namespace mozilla {
-namespace gfx {
-class VRDisplayClient;
-class VRDisplayPresentation;
-struct VRFieldOfView;
-enum class VRDisplayCapabilityFlags : uint16_t;
-struct VRHMDSensorState;
-}
-namespace dom {
-class Navigator;
-
-class VRFieldOfView final : public nsWrapperCache
-{
-public:
- VRFieldOfView(nsISupports* aParent,
- double aUpDegrees, double aRightDegrees,
- double aDownDegrees, double aLeftDegrees);
- VRFieldOfView(nsISupports* aParent, const gfx::VRFieldOfView& aSrc);
-
- NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRFieldOfView)
- NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRFieldOfView)
-
- double UpDegrees() const { return mUpDegrees; }
- double RightDegrees() const { return mRightDegrees; }
- double DownDegrees() const { return mDownDegrees; }
- double LeftDegrees() const { return mLeftDegrees; }
-
- nsISupports* GetParentObject() const { return mParent; }
- virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
-
-protected:
- virtual ~VRFieldOfView() {}
-
- nsCOMPtr<nsISupports> mParent;
-
- double mUpDegrees;
- double mRightDegrees;
- double mDownDegrees;
- double mLeftDegrees;
-};
-
-class VRDisplayCapabilities final : public nsWrapperCache
-{
-public:
- VRDisplayCapabilities(nsISupports* aParent, const gfx::VRDisplayCapabilityFlags& aFlags)
- : mParent(aParent)
- , mFlags(aFlags)
- {
- }
-
- NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRDisplayCapabilities)
- NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRDisplayCapabilities)
-
- nsISupports* GetParentObject() const
- {
- return mParent;
- }
-
- virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
-
- bool HasPosition() const;
- bool HasOrientation() const;
- bool HasExternalDisplay() const;
- bool CanPresent() const;
- uint32_t MaxLayers() const;
-
-protected:
- ~VRDisplayCapabilities() {}
- nsCOMPtr<nsISupports> mParent;
- gfx::VRDisplayCapabilityFlags mFlags;
-};
-
-class VRPose final : public Pose
-{
-
-public:
- VRPose(nsISupports* aParent, const gfx::VRHMDSensorState& aState);
- explicit VRPose(nsISupports* aParent);
-
- uint32_t FrameID() const { return mFrameId; }
-
- virtual void GetPosition(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv) override;
- virtual void GetLinearVelocity(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv) override;
- virtual void GetLinearAcceleration(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv) override;
- virtual void GetOrientation(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv) override;
- virtual void GetAngularVelocity(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv) override;
- virtual void GetAngularAcceleration(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv) override;
-
- virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
-
-protected:
- ~VRPose();
-
- uint32_t mFrameId;
- gfx::VRHMDSensorState mVRState;
-};
-
-struct VRFrameInfo
-{
- VRFrameInfo();
-
- void Update(const gfx::VRDisplayInfo& aInfo,
- const gfx::VRHMDSensorState& aState,
- float aDepthNear,
- float aDepthFar);
-
- void Clear();
- bool IsDirty();
-
- gfx::VRHMDSensorState mVRState;
- gfx::Matrix4x4 mLeftProjection;
- gfx::Matrix4x4 mLeftView;
- gfx::Matrix4x4 mRightProjection;
- gfx::Matrix4x4 mRightView;
-
-};
-
-class VRFrameData final : public nsWrapperCache
-{
-public:
- NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRFrameData)
- NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRFrameData)
-
- explicit VRFrameData(nsISupports* aParent);
- static already_AddRefed<VRFrameData> Constructor(const GlobalObject& aGlobal,
- ErrorResult& aRv);
-
- void Update(const VRFrameInfo& aFrameInfo);
-
- // WebIDL Members
- double Timestamp() const;
- void GetLeftProjectionMatrix(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv);
- void GetLeftViewMatrix(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv);
- void GetRightProjectionMatrix(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv);
- void GetRightViewMatrix(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv);
-
- VRPose* Pose();
-
- // WebIDL Boilerplate
- nsISupports* GetParentObject() const { return mParent; }
- virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
-
-protected:
- ~VRFrameData();
- nsCOMPtr<nsISupports> mParent;
-
- VRFrameInfo mFrameInfo;
- RefPtr<VRPose> mPose;
- JS::Heap<JSObject*> mLeftProjectionMatrix;
- JS::Heap<JSObject*> mLeftViewMatrix;
- JS::Heap<JSObject*> mRightProjectionMatrix;
- JS::Heap<JSObject*> mRightViewMatrix;
-
- void LazyCreateMatrix(JS::Heap<JSObject*>& aArray, gfx::Matrix4x4& aMat,
- JSContext* aCx, JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv);
-};
-
-class VRStageParameters final : public nsWrapperCache
-{
-public:
- VRStageParameters(nsISupports* aParent,
- const gfx::Matrix4x4& aSittingToStandingTransform,
- const gfx::Size& aSize);
-
- NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRStageParameters)
- NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRStageParameters)
-
- void GetSittingToStandingTransform(JSContext* aCx,
- JS::MutableHandle<JSObject*> aRetval,
- ErrorResult& aRv);
- float SizeX() const { return mSize.width; }
- float SizeZ() const { return mSize.height; }
-
- nsISupports* GetParentObject() const { return mParent; }
- virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
-
-protected:
- ~VRStageParameters();
-
- nsCOMPtr<nsISupports> mParent;
-
- gfx::Matrix4x4 mSittingToStandingTransform;
- JS::Heap<JSObject*> mSittingToStandingTransformArray;
- gfx::Size mSize;
-};
-
-class VREyeParameters final : public nsWrapperCache
-{
-public:
- VREyeParameters(nsISupports* aParent,
- const gfx::Point3D& aEyeTranslation,
- const gfx::VRFieldOfView& aFOV,
- const gfx::IntSize& aRenderSize);
-
- NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VREyeParameters)
- NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VREyeParameters)
-
- void GetOffset(JSContext* aCx, JS::MutableHandle<JSObject*> aRetVal,
- ErrorResult& aRv);
-
- VRFieldOfView* FieldOfView();
-
- uint32_t RenderWidth() const { return mRenderSize.width; }
- uint32_t RenderHeight() const { return mRenderSize.height; }
-
- nsISupports* GetParentObject() const { return mParent; }
- virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
-protected:
- ~VREyeParameters();
-
- nsCOMPtr<nsISupports> mParent;
-
-
- gfx::Point3D mEyeTranslation;
- gfx::IntSize mRenderSize;
- JS::Heap<JSObject*> mOffset;
- RefPtr<VRFieldOfView> mFOV;
-};
-
-class VRDisplay final : public DOMEventTargetHelper
- , public nsIObserver
-{
-public:
- NS_DECL_ISUPPORTS_INHERITED
- NS_DECL_NSIOBSERVER
- NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(VRDisplay, DOMEventTargetHelper)
-
- virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
-
- bool IsPresenting() const;
- bool IsConnected() const;
-
- VRDisplayCapabilities* Capabilities();
- VRStageParameters* GetStageParameters();
-
- uint32_t DisplayId() const { return mDisplayId; }
- void GetDisplayName(nsAString& aDisplayName) const { aDisplayName = mDisplayName; }
-
- static bool RefreshVRDisplays(uint64_t aWindowId);
- static void UpdateVRDisplays(nsTArray<RefPtr<VRDisplay> >& aDisplays,
- nsPIDOMWindowInner* aWindow);
-
- gfx::VRDisplayClient *GetClient() {
- return mClient;
- }
-
- virtual already_AddRefed<VREyeParameters> GetEyeParameters(VREye aEye);
-
- bool GetFrameData(VRFrameData& aFrameData);
- already_AddRefed<VRPose> GetPose();
- void ResetPose();
-
- double DepthNear() {
- return mDepthNear;
- }
-
- double DepthFar() {
- return mDepthFar;
- }
-
- void SetDepthNear(double aDepthNear) {
- // XXX When we start sending depth buffers to VRLayer's we will want
- // to communicate this with the VRDisplayHost
- mDepthNear = aDepthNear;
- }
-
- void SetDepthFar(double aDepthFar) {
- // XXX When we start sending depth buffers to VRLayer's we will want
- // to communicate this with the VRDisplayHost
- mDepthFar = aDepthFar;
- }
-
- already_AddRefed<Promise> RequestPresent(const nsTArray<VRLayer>& aLayers, ErrorResult& aRv);
- already_AddRefed<Promise> ExitPresent(ErrorResult& aRv);
- void GetLayers(nsTArray<VRLayer>& result);
- void SubmitFrame();
-
- int32_t RequestAnimationFrame(mozilla::dom::FrameRequestCallback& aCallback,
- mozilla::ErrorResult& aError);
- void CancelAnimationFrame(int32_t aHandle, mozilla::ErrorResult& aError);
-
-protected:
- VRDisplay(nsPIDOMWindowInner* aWindow, gfx::VRDisplayClient* aClient);
- virtual ~VRDisplay();
- virtual void LastRelease() override;
-
- void ExitPresentInternal();
- void UpdateFrameInfo();
-
- RefPtr<gfx::VRDisplayClient> mClient;
-
- uint32_t mDisplayId;
- nsString mDisplayName;
-
- RefPtr<VRDisplayCapabilities> mCapabilities;
- RefPtr<VRStageParameters> mStageParameters;
-
- double mDepthNear;
- double mDepthFar;
-
- RefPtr<gfx::VRDisplayPresentation> mPresentation;
-
- /**
- * The WebVR 1.1 spec Requires that VRDisplay.getPose and VRDisplay.getFrameData
- * must return the same values until the next VRDisplay.submitFrame.
- * mFrameInfo is updated only on the first call to either function within one
- * frame. Subsequent calls before the next SubmitFrame or ExitPresent call
- * will use these cached values.
- */
- VRFrameInfo mFrameInfo;
-};
-
-} // namespace dom
-} // namespace mozilla
-
-#endif