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browser(firefox): always create image buffer in headless mode (#3299)

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Yury Semikhatsky 2020-08-04 17:58:57 -07:00 committed by GitHub
parent 7e28c26f6d
commit 90819fa350
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 23 deletions
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4
browser_patches/firefox/BUILD_NUMBER
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@ -1,2 +1,2 @@
1151
Changed: yurys@chromium.org Tue Aug 4 16:50:29 PDT 2020
1152
Changed: yurys@chromium.org Tue Aug 4 17:40:33 PDT 2020

39
browser_patches/firefox/patches/bootstrap.diff
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@ -1944,7 +1944,7 @@ index 7d7ef5a5f9e6c092e643eb5c3feef239e90c0bb2..7c975244f26b3c2ec20d8174e5d84fc9
return new AndroidCompositorWidget(aOptions,
static_cast<nsBaseWidget*>(aWidget));
diff --git a/widget/headless/HeadlessCompositorWidget.cpp b/widget/headless/HeadlessCompositorWidget.cpp
index b31a969b7ab3d0fc80912b110d91dfdf3e5991f4..b59419561951730ed8ddfbaeacf1502f5e4ccdd5 100644
index b31a969b7ab3d0fc80912b110d91dfdf3e5991f4..45456bd34713a32695c0fe6a84588f31e40c137d 100644
--- a/widget/headless/HeadlessCompositorWidget.cpp
+++ b/widget/headless/HeadlessCompositorWidget.cpp
@@ -3,6 +3,7 @@
@ -1955,24 +1955,23 @@ index b31a969b7ab3d0fc80912b110d91dfdf3e5991f4..b59419561951730ed8ddfbaeacf1502f
#include "mozilla/widget/PlatformWidgetTypes.h"
#include "HeadlessCompositorWidget.h"
#include "VsyncDispatcher.h"
@@ -17,6 +18,33 @@ HeadlessCompositorWidget::HeadlessCompositorWidget(
@@ -17,6 +18,32 @@ HeadlessCompositorWidget::HeadlessCompositorWidget(
mClientSize = aInitData.InitialClientSize();
}
+void HeadlessCompositorWidget::SetSnapshotListener(HeadlessWidget::SnapshotListener&& listener) {
+ MOZ_ASSERT(NS_IsMainThread());
+
+ layers::CompositorThread()->Dispatch(NewRunnableMethod<HeadlessWidget::SnapshotListener&&, LayoutDeviceIntSize>(
+ layers::CompositorThread()->Dispatch(NewRunnableMethod<HeadlessWidget::SnapshotListener&&>(
+ "HeadlessCompositorWidget::SetSnapshotListener", this,
+ &HeadlessCompositorWidget::SetSnapshotListenerOnCompositorThread,
+ std::move(listener), mClientSize));
+ std::move(listener)));
+}
+
+void HeadlessCompositorWidget::SetSnapshotListenerOnCompositorThread(
+ HeadlessWidget::SnapshotListener&& listener, const LayoutDeviceIntSize& aClientSize) {
+ HeadlessWidget::SnapshotListener&& listener) {
+ MOZ_ASSERT(NS_IsInCompositorThread());
+ mSnapshotListener = std::move(listener);
+ UpdateDrawTarget(aClientSize);
+ PeriodicSnapshot();
+}
+
@ -1989,7 +1988,7 @@ index b31a969b7ab3d0fc80912b110d91dfdf3e5991f4..b59419561951730ed8ddfbaeacf1502f
void HeadlessCompositorWidget::ObserveVsync(VsyncObserver* aObserver) {
if (RefPtr<CompositorVsyncDispatcher> cvd =
mWidget->GetCompositorVsyncDispatcher()) {
@@ -29,6 +57,60 @@ nsIWidget* HeadlessCompositorWidget::RealWidget() { return mWidget; }
@@ -29,6 +56,58 @@ nsIWidget* HeadlessCompositorWidget::RealWidget() { return mWidget; }
void HeadlessCompositorWidget::NotifyClientSizeChanged(
const LayoutDeviceIntSize& aClientSize) {
mClientSize = aClientSize;
@ -2001,11 +2000,6 @@ index b31a969b7ab3d0fc80912b110d91dfdf3e5991f4..b59419561951730ed8ddfbaeacf1502f
+
+void HeadlessCompositorWidget::UpdateDrawTarget(const LayoutDeviceIntSize& aClientSize) {
+ MOZ_ASSERT(NS_IsInCompositorThread());
+ if (!mSnapshotListener) {
+ mDrawTarget = nullptr;
+ return;
+ }
+
+ if (aClientSize.IsEmpty()) {
+ mDrawTarget = nullptr;
+ return;
@ -2024,10 +2018,17 @@ index b31a969b7ab3d0fc80912b110d91dfdf3e5991f4..b59419561951730ed8ddfbaeacf1502f
+}
+
+void HeadlessCompositorWidget::PeriodicSnapshot() {
+ if (!mDrawTarget)
+ if (!mSnapshotListener)
+ return;
+
+ if (!mSnapshotListener)
+ TakeSnapshot();
+ NS_DelayedDispatchToCurrentThread(NewRunnableMethod(
+ "HeadlessCompositorWidget::PeriodicSnapshot", this,
+ &HeadlessCompositorWidget::PeriodicSnapshot), 40);
+}
+
+void HeadlessCompositorWidget::TakeSnapshot() {
+ if (!mDrawTarget)
+ return;
+
+ RefPtr<gfx::SourceSurface> snapshot = mDrawTarget->Snapshot();
@ -2043,15 +2044,11 @@ index b31a969b7ab3d0fc80912b110d91dfdf3e5991f4..b59419561951730ed8ddfbaeacf1502f
+ }
+
+ mSnapshotListener(std::move(dataSurface));
+
+ NS_DelayedDispatchToCurrentThread(NewRunnableMethod(
+ "HeadlessCompositorWidget::PeriodicSnapshot", this,
+ &HeadlessCompositorWidget::PeriodicSnapshot), 40);
}
LayoutDeviceIntSize HeadlessCompositorWidget::GetClientSize() {
diff --git a/widget/headless/HeadlessCompositorWidget.h b/widget/headless/HeadlessCompositorWidget.h
index 7f91de9e67d7ffa02de3eef1d760e5cfd05e7ad6..37b0320f3bde99ef7635c71452a3a4b75695bcc5 100644
index 7f91de9e67d7ffa02de3eef1d760e5cfd05e7ad6..b0e3572413f80e5bd125f777c3247b10b8521a73 100644
--- a/widget/headless/HeadlessCompositorWidget.h
+++ b/widget/headless/HeadlessCompositorWidget.h
@@ -23,9 +23,13 @@ class HeadlessCompositorWidget final : public CompositorWidget,
@ -2073,10 +2070,10 @@ index 7f91de9e67d7ffa02de3eef1d760e5cfd05e7ad6..37b0320f3bde99ef7635c71452a3a4b7
private:
+ void SetSnapshotListenerOnCompositorThread(
+ HeadlessWidget::SnapshotListener&& listener,
+ const LayoutDeviceIntSize& aClientSize);
+ HeadlessWidget::SnapshotListener&& listener);
+ void UpdateDrawTarget(const LayoutDeviceIntSize& aClientSize);
+ void PeriodicSnapshot();
+ void TakeSnapshot();
+
HeadlessWidget* mWidget;