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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "modules/vr/VRDisplay.h" | 5 #include "modules/vr/VRDisplay.h" |
6 | 6 |
7 #include "core/css/StylePropertySet.h" | 7 #include "core/css/StylePropertySet.h" |
8 #include "core/dom/DOMException.h" | 8 #include "core/dom/DOMException.h" |
9 #include "core/dom/FrameRequestCallback.h" | 9 #include "core/dom/FrameRequestCallback.h" |
10 #include "core/dom/ScriptedAnimationController.h" | 10 #include "core/dom/ScriptedAnimationController.h" |
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48 if (which_eye == "right") | 48 if (which_eye == "right") |
49 return kVREyeRight; | 49 return kVREyeRight; |
50 return kVREyeNone; | 50 return kVREyeNone; |
51 } | 51 } |
52 | 52 |
53 } // namespace | 53 } // namespace |
54 | 54 |
55 VRDisplay::VRDisplay(NavigatorVR* navigator_vr, | 55 VRDisplay::VRDisplay(NavigatorVR* navigator_vr, |
56 device::mojom::blink::VRDisplayPtr display, | 56 device::mojom::blink::VRDisplayPtr display, |
57 device::mojom::blink::VRDisplayClientRequest request) | 57 device::mojom::blink::VRDisplayClientRequest request) |
58 : ContextLifecycleObserver(navigator_vr->GetDocument()), | 58 : SuspendableObject(navigator_vr->GetDocument()), |
59 navigator_vr_(navigator_vr), | 59 navigator_vr_(navigator_vr), |
60 capabilities_(new VRDisplayCapabilities()), | 60 capabilities_(new VRDisplayCapabilities()), |
61 eye_parameters_left_(new VREyeParameters()), | 61 eye_parameters_left_(new VREyeParameters()), |
62 eye_parameters_right_(new VREyeParameters()), | 62 eye_parameters_right_(new VREyeParameters()), |
63 display_(std::move(display)), | 63 display_(std::move(display)), |
64 submit_frame_client_binding_(this), | 64 submit_frame_client_binding_(this), |
65 display_client_binding_(this, std::move(request)) {} | 65 display_client_binding_(this, std::move(request)) { |
66 SuspendIfNeeded(); // Initialize suspended_. | |
67 } | |
66 | 68 |
67 VRDisplay::~VRDisplay() {} | 69 VRDisplay::~VRDisplay() {} |
68 | 70 |
71 void VRDisplay::Suspend() { | |
72 suspended_ = true; | |
73 } | |
74 | |
75 void VRDisplay::Resume() { | |
76 suspended_ = false; | |
77 if (request_vsync_on_resume_) { | |
mthiesse
2017/06/08 03:26:30
No need for this boolean. RequestVSync() is always
billorr
2017/06/08 04:20:21
Done.
| |
78 RequestVSync(); | |
79 } | |
80 } | |
81 | |
69 VRController* VRDisplay::Controller() { | 82 VRController* VRDisplay::Controller() { |
70 return navigator_vr_->Controller(); | 83 return navigator_vr_->Controller(); |
71 } | 84 } |
72 | 85 |
73 void VRDisplay::Update(const device::mojom::blink::VRDisplayInfoPtr& display) { | 86 void VRDisplay::Update(const device::mojom::blink::VRDisplayInfoPtr& display) { |
74 display_id_ = display->index; | 87 display_id_ = display->index; |
75 display_name_ = display->displayName; | 88 display_name_ = display->displayName; |
76 is_connected_ = true; | 89 is_connected_ = true; |
77 | 90 |
78 capabilities_->SetHasPosition(display->capabilities->hasPosition); | 91 capabilities_->SetHasPosition(display->capabilities->hasPosition); |
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794 DVLOG(2) << __FUNCTION__; | 807 DVLOG(2) << __FUNCTION__; |
795 // Check if we still have a valid context, the animation controller | 808 // Check if we still have a valid context, the animation controller |
796 // or document may have disappeared since we scheduled this. | 809 // or document may have disappeared since we scheduled this. |
797 Document* doc = this->GetDocument(); | 810 Document* doc = this->GetDocument(); |
798 if (!doc || display_blurred_) { | 811 if (!doc || display_blurred_) { |
799 DVLOG(2) << __FUNCTION__ << ": early exit, doc=" << doc | 812 DVLOG(2) << __FUNCTION__ << ": early exit, doc=" << doc |
800 << " display_blurred_=" << display_blurred_; | 813 << " display_blurred_=" << display_blurred_; |
801 return; | 814 return; |
802 } | 815 } |
803 | 816 |
817 if (suspended_) { | |
818 // We are currently suspended - try ProcessScheduledAnimations again later | |
819 // when we resume. | |
820 request_vsync_on_resume_ = true; | |
821 return; | |
822 } | |
823 | |
804 TRACE_EVENT1("gpu", "VRDisplay::OnVSync", "frame", vr_frame_id_); | 824 TRACE_EVENT1("gpu", "VRDisplay::OnVSync", "frame", vr_frame_id_); |
805 | 825 |
806 if (pending_vrdisplay_raf_ && scripted_animation_controller_) { | 826 if (pending_vrdisplay_raf_ && scripted_animation_controller_) { |
807 // Run the callback, making sure that in_animation_frame_ is only | 827 // Run the callback, making sure that in_animation_frame_ is only |
808 // true for the vrDisplay rAF and not for a legacy window rAF | 828 // true for the vrDisplay rAF and not for a legacy window rAF |
809 // that may be called later. | 829 // that may be called later. |
810 AutoReset<bool> animating(&in_animation_frame_, true); | 830 AutoReset<bool> animating(&in_animation_frame_, true); |
811 pending_vrdisplay_raf_ = false; | 831 pending_vrdisplay_raf_ = false; |
812 did_submit_this_frame_ = false; | 832 did_submit_this_frame_ = false; |
813 scripted_animation_controller_->ServiceScriptedAnimations(timestamp); | 833 scripted_animation_controller_->ServiceScriptedAnimations(timestamp); |
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903 } | 923 } |
904 | 924 |
905 ExecutionContext* VRDisplay::GetExecutionContext() const { | 925 ExecutionContext* VRDisplay::GetExecutionContext() const { |
906 return ContextLifecycleObserver::GetExecutionContext(); | 926 return ContextLifecycleObserver::GetExecutionContext(); |
907 } | 927 } |
908 | 928 |
909 const AtomicString& VRDisplay::InterfaceName() const { | 929 const AtomicString& VRDisplay::InterfaceName() const { |
910 return EventTargetNames::VRDisplay; | 930 return EventTargetNames::VRDisplay; |
911 } | 931 } |
912 | 932 |
913 void VRDisplay::ContextDestroyed(ExecutionContext*) { | 933 void VRDisplay::ContextDestroyed(ExecutionContext* context) { |
934 SuspendableObject::ContextDestroyed(context); | |
914 ForceExitPresent(); | 935 ForceExitPresent(); |
915 scripted_animation_controller_.Clear(); | 936 scripted_animation_controller_.Clear(); |
916 } | 937 } |
917 | 938 |
918 bool VRDisplay::HasPendingActivity() const { | 939 bool VRDisplay::HasPendingActivity() const { |
919 // Prevent V8 from garbage collecting the wrapper object if there are | 940 // Prevent V8 from garbage collecting the wrapper object if there are |
920 // event listeners attached to it. | 941 // event listeners attached to it. |
921 return GetExecutionContext() && HasEventListeners(); | 942 return GetExecutionContext() && HasEventListeners(); |
922 } | 943 } |
923 | 944 |
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942 visitor->Trace(stage_parameters_); | 963 visitor->Trace(stage_parameters_); |
943 visitor->Trace(eye_parameters_left_); | 964 visitor->Trace(eye_parameters_left_); |
944 visitor->Trace(eye_parameters_right_); | 965 visitor->Trace(eye_parameters_right_); |
945 visitor->Trace(layer_); | 966 visitor->Trace(layer_); |
946 visitor->Trace(rendering_context_); | 967 visitor->Trace(rendering_context_); |
947 visitor->Trace(scripted_animation_controller_); | 968 visitor->Trace(scripted_animation_controller_); |
948 visitor->Trace(pending_present_resolvers_); | 969 visitor->Trace(pending_present_resolvers_); |
949 } | 970 } |
950 | 971 |
951 } // namespace blink | 972 } // namespace blink |
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