Index: third_party/WebKit/Source/modules/vr/VRDisplay.cpp |
diff --git a/third_party/WebKit/Source/modules/vr/VRDisplay.cpp b/third_party/WebKit/Source/modules/vr/VRDisplay.cpp |
index 553622a0dfa064f16522cfd8694dc7834f1abb48..28cde31ec1f33960a05d769cfe35b6e15a10f6c3 100644 |
--- a/third_party/WebKit/Source/modules/vr/VRDisplay.cpp |
+++ b/third_party/WebKit/Source/modules/vr/VRDisplay.cpp |
@@ -130,10 +130,11 @@ VREyeParameters* VRDisplay::getEyeParameters(const String& which_eye) { |
} |
int VRDisplay::requestAnimationFrame(FrameRequestCallback* callback) { |
+ DVLOG(2) << __FUNCTION__; |
Document* doc = this->GetDocument(); |
if (!doc) |
return 0; |
- pending_raf_ = true; |
+ pending_vrdisplay_raf_ = true; |
if (!vr_v_sync_provider_.is_bound()) { |
ConnectVSyncProvider(); |
} else if (!display_blurred_ && !pending_vsync_) { |
@@ -146,12 +147,14 @@ int VRDisplay::requestAnimationFrame(FrameRequestCallback* callback) { |
} |
void VRDisplay::cancelAnimationFrame(int id) { |
+ DVLOG(2) << __FUNCTION__; |
if (!scripted_animation_controller_) |
return; |
scripted_animation_controller_->CancelCallback(id); |
} |
void VRDisplay::OnBlur() { |
+ DVLOG(1) << __FUNCTION__; |
display_blurred_ = true; |
vr_v_sync_provider_.reset(); |
navigator_vr_->EnqueueVREvent(VRDisplayEvent::Create( |
@@ -159,6 +162,7 @@ void VRDisplay::OnBlur() { |
} |
void VRDisplay::OnFocus() { |
+ DVLOG(1) << __FUNCTION__; |
display_blurred_ = false; |
ConnectVSyncProvider(); |
navigator_vr_->EnqueueVREvent(VRDisplayEvent::Create( |
@@ -178,6 +182,7 @@ void ReportPresentationResult(PresentationResult result) { |
ScriptPromise VRDisplay::requestPresent(ScriptState* script_state, |
const HeapVector<VRLayer>& layers) { |
+ DVLOG(1) << __FUNCTION__; |
ExecutionContext* execution_context = ExecutionContext::From(script_state); |
UseCounter::Count(execution_context, UseCounter::kVRRequestPresent); |
if (!execution_context->IsSecureContext()) { |
@@ -320,6 +325,7 @@ void VRDisplay::OnPresentComplete(bool success) { |
} |
ScriptPromise VRDisplay::exitPresent(ScriptState* script_state) { |
+ DVLOG(1) << __FUNCTION__; |
ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state); |
ScriptPromise promise = resolver->Promise(); |
@@ -397,6 +403,16 @@ void VRDisplay::BeginPresent() { |
resolver->Resolve(); |
} |
OnPresentChange(); |
+ |
+ // For GVR, we shut down normal vsync processing during VR presentation. |
+ // Run window.rAF once manually so that applications get a chance to |
+ // schedule a VRDisplay.rAF in case they do so only while presenting. |
+ if (!pending_vrdisplay_raf_ && !capabilities_->hasExternalDisplay()) { |
+ double timestamp = WTF::MonotonicallyIncreasingTime(); |
+ Platform::Current()->CurrentThread()->GetWebTaskRunner()->PostTask( |
+ BLINK_FROM_HERE, WTF::Bind(&VRDisplay::ProcessScheduledWindowAnimations, |
+ WrapWeakPersistent(this), timestamp)); |
+ } |
} |
// Need to close service if exists and then free rendering context. |
@@ -613,6 +629,7 @@ Document* VRDisplay::GetDocument() { |
} |
void VRDisplay::OnPresentChange() { |
+ DVLOG(1) << __FUNCTION__ << ": is_presenting_=" << is_presenting_; |
if (is_presenting_ && !is_valid_device_for_presenting_) { |
DVLOG(1) << __FUNCTION__ << ": device not valid, not sending event"; |
return; |
@@ -681,23 +698,48 @@ void VRDisplay::ProcessScheduledWindowAnimations(double timestamp) { |
auto page = doc->GetPage(); |
if (!page) |
return; |
+ |
+ bool had_pending_vrdisplay_raf = pending_vrdisplay_raf_; |
// TODO(klausw): update timestamp based on scheduling delay? |
page->Animator().ServiceScriptedAnimations(timestamp); |
+ |
+ if (had_pending_vrdisplay_raf != pending_vrdisplay_raf_) { |
+ DVLOG(1) << __FUNCTION__ |
+ << ": window.rAF fallback successfully scheduled VRDisplay.rAF"; |
+ } |
+ |
+ if (!pending_vrdisplay_raf_) { |
+ // There wasn't any call to vrDisplay.rAF, so we will not be getting new |
+ // frames from now on unless the application schedules one down the road in |
+ // reaction to a separate event or timeout. TODO(klausw,crbug.com/716087): |
+ // do something more useful here? |
+ DVLOG(1) << __FUNCTION__ |
+ << ": no scheduled VRDisplay.requestAnimationFrame, presentation " |
+ "broken?"; |
+ } |
} |
void VRDisplay::ProcessScheduledAnimations(double timestamp) { |
+ DVLOG(2) << __FUNCTION__; |
// Check if we still have a valid context, the animation controller |
// or document may have disappeared since we scheduled this. |
Document* doc = this->GetDocument(); |
- if (!doc || display_blurred_ || !scripted_animation_controller_) |
+ if (!doc || display_blurred_) { |
+ DVLOG(2) << __FUNCTION__ << ": early exit, doc=" << doc |
+ << " display_blurred_=" << display_blurred_; |
return; |
+ } |
TRACE_EVENT1("gpu", "VRDisplay::OnVSync", "frame", vr_frame_id_); |
- AutoReset<bool> animating(&in_animation_frame_, true); |
- pending_raf_ = false; |
- |
- scripted_animation_controller_->ServiceScriptedAnimations(timestamp); |
+ if (pending_vrdisplay_raf_ && scripted_animation_controller_) { |
mthiesse
2017/04/28 20:35:39
nit: Checking pending_vrdisplay_raf_ is not really
klausw
2017/04/28 21:10:17
True, but seems a bit subtle and possibly fragile.
|
+ // Run the callback, making sure that in_animation_frame_ is only |
+ // true for the vrDisplay rAF and not for a legacy window rAF |
+ // that may be called later. |
+ AutoReset<bool> animating(&in_animation_frame_, true); |
+ pending_vrdisplay_raf_ = false; |
+ scripted_animation_controller_->ServiceScriptedAnimations(timestamp); |
+ } |
// For GVR, we shut down normal vsync processing during VR presentation. |
// Trigger any callbacks on window.rAF manually so that they run after |
@@ -713,6 +755,7 @@ void VRDisplay::OnVSync(device::mojom::blink::VRPosePtr pose, |
mojo::common::mojom::blink::TimeDeltaPtr time, |
int16_t frame_id, |
device::mojom::blink::VRVSyncProvider::Status error) { |
+ DVLOG(2) << __FUNCTION__; |
v_sync_connection_failed_ = false; |
switch (error) { |
case device::mojom::blink::VRVSyncProvider::Status::SUCCESS: |
@@ -752,7 +795,7 @@ void VRDisplay::ConnectVSyncProvider() { |
display_->GetVRVSyncProvider(mojo::MakeRequest(&vr_v_sync_provider_)); |
vr_v_sync_provider_.set_connection_error_handler(ConvertToBaseCallback( |
WTF::Bind(&VRDisplay::OnVSyncConnectionError, WrapWeakPersistent(this)))); |
- if (pending_raf_ && !display_blurred_) { |
+ if (pending_vrdisplay_raf_ && !display_blurred_) { |
pending_vsync_ = true; |
vr_v_sync_provider_->GetVSync(ConvertToBaseCallback( |
WTF::Bind(&VRDisplay::OnVSync, WrapWeakPersistent(this)))); |
@@ -801,6 +844,7 @@ bool VRDisplay::HasPendingActivity() const { |
void VRDisplay::FocusChanged() { |
// TODO(mthiesse): Blur/focus the display. |
+ DVLOG(1) << __FUNCTION__; |
vr_v_sync_provider_.reset(); |
ConnectVSyncProvider(); |
} |