dom/vr/XRRenderState.cpp

   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 #include "mozilla/dom/XRRenderState.h"
   8 #include "VRLayerChild.h"
   9 #include "nsIObserverService.h"
  10 #include "nsISupportsPrimitives.h"
  11
  12 namespace mozilla::dom {
  13
  14 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(XRRenderState, mParent, mSession,
  15                                       mBaseLayer, mOutputCanvas)
  16
  17 XRRenderState::XRRenderState(nsISupports* aParent, XRSession* aSession)
  18     : mParent(aParent),
  19       mSession(aSession),
  20       mDepthNear(0.1f),
  21       mDepthFar(1000.0f),
  22       mCompositionDisabled(false) {
  23   if (!mSession->IsImmersive()) {
  24     mInlineVerticalFieldOfView.SetValue(M_PI * 0.5f);
  25   }
  26 }
  27
  28 XRRenderState::XRRenderState(const XRRenderState& aOther)
  29     : mParent(aOther.mParent),
  30       mSession(aOther.mSession),
  31       mBaseLayer(aOther.mBaseLayer),
  32       mDepthNear(aOther.mDepthNear),
  33       mDepthFar(aOther.mDepthFar),
  34       mInlineVerticalFieldOfView(aOther.mInlineVerticalFieldOfView),
  35       mOutputCanvas(aOther.mOutputCanvas),
  36       mCompositionDisabled(aOther.mCompositionDisabled) {}
  37
  38 JSObject* XRRenderState::WrapObject(JSContext* aCx,
  39                                     JS::Handle<JSObject*> aGivenProto) {
  40   return XRRenderState_Binding::Wrap(aCx, this, aGivenProto);
  41 }
  42
  43 double XRRenderState::DepthNear() { return mDepthNear; }
  44
  45 double XRRenderState::DepthFar() { return mDepthFar; }
  46
  47 Nullable<double> XRRenderState::GetInlineVerticalFieldOfView() {
  48   return mInlineVerticalFieldOfView;
  49 }
  50
  51 void XRRenderState::SetDepthNear(double aDepthNear) { mDepthNear = aDepthNear; }
  52
  53 void XRRenderState::SetDepthFar(double aDepthFar) { mDepthFar = aDepthFar; }
  54
  55 void XRRenderState::SetInlineVerticalFieldOfView(
  56     double aInlineVerticalFieldOfView) {
  57   mInlineVerticalFieldOfView.SetValue(aInlineVerticalFieldOfView);
  58 }
  59
  60 XRWebGLLayer* XRRenderState::GetBaseLayer() { return mBaseLayer; }
  61
  62 void XRRenderState::SetBaseLayer(XRWebGLLayer* aBaseLayer) {
  63   mBaseLayer = aBaseLayer;
  64 }
  65
  66 void XRRenderState::SetOutputCanvas(HTMLCanvasElement* aCanvas) {
  67   mOutputCanvas = aCanvas;
  68 }
  69
  70 HTMLCanvasElement* XRRenderState::GetOutputCanvas() const {
  71   return mOutputCanvas;
  72 }
  73
  74 void XRRenderState::SetCompositionDisabled(bool aCompositionDisabled) {
  75   mCompositionDisabled = aCompositionDisabled;
  76 }
  77
  78 bool XRRenderState::IsCompositionDisabled() const {
  79   return mCompositionDisabled;
  80 }
  81
  82 void XRRenderState::SessionEnded() {
  83   if (mBaseLayer) {
  84     mBaseLayer->SessionEnded();
  85     mBaseLayer = nullptr;
  86   }
  87   mOutputCanvas = nullptr;
  88 }
  89
  90 }  // namespace mozilla::dom