dom/vr/XRRenderState.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_XRRenderState_h_
   8 #define mozilla_dom_XRRenderState_h_
   9
  10 #include "mozilla/DOMEventTargetHelper.h"
  11 #include "mozilla/dom/WebXRBinding.h"
  12
  13 #include "gfxVR.h"
  14
  15 namespace mozilla::dom {
  16 class XRWebGLLayer;
  17
  18 class XRRenderState final : public nsWrapperCache {
  19  public:
  20   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(XRRenderState)
  21   NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(XRRenderState)
  22
  23   explicit XRRenderState(nsISupports* aParent, XRSession* aSession);
  24   explicit XRRenderState(const XRRenderState& aOther);
  25
  26   void SetDepthNear(double aDepthNear);
  27   void SetDepthFar(double aDepthFar);
  28   void SetInlineVerticalFieldOfView(double aInlineVerticalFieldOfView);
  29   void SetBaseLayer(XRWebGLLayer* aBaseLayer);
  30
  31   // WebIDL Boilerplate
  32   nsISupports* GetParentObject() const { return mParent; }
  33   JSObject* WrapObject(JSContext* aCx,
  34                        JS::Handle<JSObject*> aGivenProto) override;
  35
  36   // WebIDL Members
  37   double DepthNear();
  38   double DepthFar();
  39   Nullable<double> GetInlineVerticalFieldOfView();
  40   XRWebGLLayer* GetBaseLayer();
  41
  42   // Non-WebIDL Members
  43   void SetOutputCanvas(HTMLCanvasElement* aCanvas);
  44   HTMLCanvasElement* GetOutputCanvas() const;
  45   void SetCompositionDisabled(bool aCompositionDisabled);
  46   bool IsCompositionDisabled() const;
  47   void SessionEnded();
  48
  49  protected:
  50   virtual ~XRRenderState() = default;
  51   nsCOMPtr<nsISupports> mParent;
  52   RefPtr<XRSession> mSession;
  53   RefPtr<XRWebGLLayer> mBaseLayer;
  54   double mDepthNear;
  55   double mDepthFar;
  56   Nullable<double> mInlineVerticalFieldOfView;
  57   // https://immersive-web.github.io/webxr/#xrrenderstate-output-canvas
  58   RefPtr<HTMLCanvasElement> mOutputCanvas;
  59   // https://immersive-web.github.io/webxr/#xrrenderstate-composition-disabled
  60   bool mCompositionDisabled;
  61 };
  62
  63 }  // namespace mozilla::dom
  64
  65 #endif  // mozilla_dom_XRRenderState_h_