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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/layers/ipc/ContentCompositorBridgeParent.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/ipc/ContentCompositorBridgeParent.cpp')
-rw-r--r--gfx/layers/ipc/ContentCompositorBridgeParent.cpp461
1 files changed, 461 insertions, 0 deletions
diff --git a/gfx/layers/ipc/ContentCompositorBridgeParent.cpp b/gfx/layers/ipc/ContentCompositorBridgeParent.cpp
new file mode 100644
index 0000000000..352e7b0d63
--- /dev/null
+++ b/gfx/layers/ipc/ContentCompositorBridgeParent.cpp
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/layers/ContentCompositorBridgeParent.h"
+
+#include <stdint.h> // for uint64_t
+
+#include "apz/src/APZCTreeManager.h" // for APZCTreeManager
+#include "gfxUtils.h"
+#ifdef XP_WIN
+# include "mozilla/gfx/DeviceManagerDx.h" // for DeviceManagerDx
+# include "mozilla/layers/ImageDataSerializer.h"
+#endif
+#include "mozilla/layers/AnimationHelper.h" // for CompositorAnimationStorage
+#include "mozilla/layers/APZCTreeManagerParent.h" // for APZCTreeManagerParent
+#include "mozilla/layers/APZUpdater.h" // for APZUpdater
+#include "mozilla/layers/CompositorManagerParent.h"
+#include "mozilla/layers/CompositorOptions.h"
+#include "mozilla/layers/CompositorThread.h"
+#include "mozilla/layers/LayerTreeOwnerTracker.h"
+#include "mozilla/layers/RemoteContentController.h"
+#include "mozilla/layers/WebRenderBridgeParent.h"
+#include "mozilla/layers/AsyncImagePipelineManager.h"
+#include "mozilla/mozalloc.h" // for operator new, etc
+#include "nsDebug.h" // for NS_ASSERTION, etc
+#include "nsTArray.h" // for nsTArray
+#include "nsXULAppAPI.h" // for XRE_GetIOMessageLoop
+#include "mozilla/Unused.h"
+#include "mozilla/StaticPrefs_dom.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/Telemetry.h"
+#include "mozilla/BaseProfilerMarkerTypes.h"
+#include "GeckoProfiler.h"
+
+namespace mozilla::layers {
+
+// defined in CompositorBridgeParent.cpp
+using LayerTreeMap = std::map<LayersId, CompositorBridgeParent::LayerTreeState>;
+extern LayerTreeMap sIndirectLayerTrees;
+extern StaticAutoPtr<mozilla::Monitor> sIndirectLayerTreesLock;
+void EraseLayerState(LayersId aId);
+
+void ContentCompositorBridgeParent::ActorDestroy(ActorDestroyReason aWhy) {
+ mCanSend = false;
+
+ // We must keep this object alive untill the code handling message
+ // reception is finished on this thread.
+ GetCurrentSerialEventTarget()->Dispatch(NewRunnableMethod(
+ "layers::ContentCompositorBridgeParent::DeferredDestroy", this,
+ &ContentCompositorBridgeParent::DeferredDestroy));
+}
+
+PAPZCTreeManagerParent*
+ContentCompositorBridgeParent::AllocPAPZCTreeManagerParent(
+ const LayersId& aLayersId) {
+ // Check to see if this child process has access to this layer tree.
+ if (!LayerTreeOwnerTracker::Get()->IsMapped(aLayersId, OtherPid())) {
+ NS_ERROR(
+ "Unexpected layers id in AllocPAPZCTreeManagerParent; dropping "
+ "message...");
+ return nullptr;
+ }
+
+ MonitorAutoLock lock(*sIndirectLayerTreesLock);
+ CompositorBridgeParent::LayerTreeState& state =
+ sIndirectLayerTrees[aLayersId];
+
+ // If the widget has shutdown its compositor, we may not have had a chance yet
+ // to unmap our layers id, and we could get here without a parent compositor.
+ // In this case return an empty APZCTM.
+ if (!state.mParent) {
+ // Note: we immediately call ClearTree since otherwise the APZCTM will
+ // retain a reference to itself, through the checkerboard observer.
+ LayersId dummyId{0};
+ const bool connectedToWebRender = false;
+ RefPtr<APZCTreeManager> temp = new APZCTreeManager(dummyId);
+ RefPtr<APZUpdater> tempUpdater = new APZUpdater(temp, connectedToWebRender);
+ tempUpdater->ClearTree(dummyId);
+ return new APZCTreeManagerParent(aLayersId, temp, tempUpdater);
+ }
+
+ // If we do not have APZ enabled, we should gracefully fail.
+ if (!state.mParent->GetOptions().UseAPZ()) {
+ return nullptr;
+ }
+
+ state.mParent->AllocateAPZCTreeManagerParent(lock, aLayersId, state);
+ return state.mApzcTreeManagerParent;
+}
+
+bool ContentCompositorBridgeParent::DeallocPAPZCTreeManagerParent(
+ PAPZCTreeManagerParent* aActor) {
+ APZCTreeManagerParent* parent = static_cast<APZCTreeManagerParent*>(aActor);
+
+ MonitorAutoLock lock(*sIndirectLayerTreesLock);
+ auto iter = sIndirectLayerTrees.find(parent->GetLayersId());
+ if (iter != sIndirectLayerTrees.end()) {
+ CompositorBridgeParent::LayerTreeState& state = iter->second;
+ MOZ_ASSERT(state.mApzcTreeManagerParent == parent);
+ state.mApzcTreeManagerParent = nullptr;
+ }
+
+ delete parent;
+
+ return true;
+}
+
+PAPZParent* ContentCompositorBridgeParent::AllocPAPZParent(
+ const LayersId& aLayersId) {
+ // Check to see if this child process has access to this layer tree.
+ if (!LayerTreeOwnerTracker::Get()->IsMapped(aLayersId, OtherPid())) {
+ NS_ERROR("Unexpected layers id in AllocPAPZParent; dropping message...");
+ return nullptr;
+ }
+
+ RemoteContentController* controller = new RemoteContentController();
+
+ // Increment the controller's refcount before we return it. This will keep the
+ // controller alive until it is released by IPDL in DeallocPAPZParent.
+ controller->AddRef();
+
+ MonitorAutoLock lock(*sIndirectLayerTreesLock);
+ CompositorBridgeParent::LayerTreeState& state =
+ sIndirectLayerTrees[aLayersId];
+ MOZ_ASSERT(!state.mController);
+ state.mController = controller;
+
+ return controller;
+}
+
+bool ContentCompositorBridgeParent::DeallocPAPZParent(PAPZParent* aActor) {
+ RemoteContentController* controller =
+ static_cast<RemoteContentController*>(aActor);
+ controller->Release();
+ return true;
+}
+
+PWebRenderBridgeParent*
+ContentCompositorBridgeParent::AllocPWebRenderBridgeParent(
+ const wr::PipelineId& aPipelineId, const LayoutDeviceIntSize& aSize,
+ const WindowKind& aWindowKind) {
+ LayersId layersId = wr::AsLayersId(aPipelineId);
+ // Check to see if this child process has access to this layer tree.
+ if (!LayerTreeOwnerTracker::Get()->IsMapped(layersId, OtherPid())) {
+ NS_ERROR(
+ "Unexpected layers id in AllocPWebRenderBridgeParent; dropping "
+ "message...");
+ return nullptr;
+ }
+
+ RefPtr<CompositorBridgeParent> cbp = nullptr;
+ RefPtr<WebRenderBridgeParent> root = nullptr;
+
+ { // scope lock
+ MonitorAutoLock lock(*sIndirectLayerTreesLock);
+ MOZ_ASSERT(sIndirectLayerTrees.find(layersId) != sIndirectLayerTrees.end());
+ MOZ_ASSERT(sIndirectLayerTrees[layersId].mWrBridge == nullptr);
+ cbp = sIndirectLayerTrees[layersId].mParent;
+ if (cbp) {
+ root = sIndirectLayerTrees[cbp->RootLayerTreeId()].mWrBridge;
+ }
+ }
+
+ RefPtr<wr::WebRenderAPI> api;
+ if (root) {
+ api = root->GetWebRenderAPI();
+ }
+
+ if (!root || !api) {
+ // This could happen when this function is called after
+ // CompositorBridgeParent destruction. This was observed during Tab move
+ // between different windows.
+ NS_WARNING(
+ nsPrintfCString("Created child without a matching parent? root %p",
+ root.get())
+ .get());
+ nsCString error("NO_PARENT");
+ WebRenderBridgeParent* parent =
+ WebRenderBridgeParent::CreateDestroyed(aPipelineId, std::move(error));
+ parent->AddRef(); // IPDL reference
+ return parent;
+ }
+
+ api = api->Clone();
+ RefPtr<AsyncImagePipelineManager> holder = root->AsyncImageManager();
+ WebRenderBridgeParent* parent = new WebRenderBridgeParent(
+ this, aPipelineId, nullptr, root->CompositorScheduler(), std::move(api),
+ std::move(holder), cbp->GetVsyncInterval());
+ parent->AddRef(); // IPDL reference
+
+ { // scope lock
+ MonitorAutoLock lock(*sIndirectLayerTreesLock);
+ sIndirectLayerTrees[layersId].mContentCompositorBridgeParent = this;
+ sIndirectLayerTrees[layersId].mWrBridge = parent;
+ }
+
+ return parent;
+}
+
+bool ContentCompositorBridgeParent::DeallocPWebRenderBridgeParent(
+ PWebRenderBridgeParent* aActor) {
+ WebRenderBridgeParent* parent = static_cast<WebRenderBridgeParent*>(aActor);
+ EraseLayerState(wr::AsLayersId(parent->PipelineId()));
+ parent->Release(); // IPDL reference
+ return true;
+}
+
+mozilla::ipc::IPCResult ContentCompositorBridgeParent::RecvNotifyChildCreated(
+ const LayersId& child, CompositorOptions* aOptions) {
+ MonitorAutoLock lock(*sIndirectLayerTreesLock);
+ for (auto& entry : sIndirectLayerTrees) {
+ CompositorBridgeParent::LayerTreeState& lts = entry.second;
+ if (lts.mParent && lts.mContentCompositorBridgeParent == this) {
+ lts.mParent->NotifyChildCreated(child);
+ *aOptions = lts.mParent->GetOptions();
+ return IPC_OK();
+ }
+ }
+ return IPC_FAIL_NO_REASON(this);
+}
+
+mozilla::ipc::IPCResult
+ContentCompositorBridgeParent::RecvMapAndNotifyChildCreated(
+ const LayersId& child, const base::ProcessId& pid,
+ CompositorOptions* aOptions) {
+ // This can only be called from the browser process, as the mapping
+ // ensures proper window ownership of layer trees.
+ return IPC_FAIL_NO_REASON(this);
+}
+
+mozilla::ipc::IPCResult
+ContentCompositorBridgeParent::RecvNotifyMemoryPressure() {
+ // This can only be called from the browser process.
+ return IPC_FAIL_NO_REASON(this);
+}
+
+mozilla::ipc::IPCResult ContentCompositorBridgeParent::RecvCheckContentOnlyTDR(
+ const uint32_t& sequenceNum, bool* isContentOnlyTDR) {
+ *isContentOnlyTDR = false;
+#ifdef XP_WIN
+ gfx::ContentDeviceData compositor;
+
+ gfx::DeviceManagerDx* dm = gfx::DeviceManagerDx::Get();
+
+ // Check that the D3D11 device sequence numbers match.
+ gfx::D3D11DeviceStatus status;
+ dm->ExportDeviceInfo(&status);
+
+ if (sequenceNum == static_cast<uint32_t>(status.sequenceNumber()) &&
+ !dm->HasDeviceReset()) {
+ *isContentOnlyTDR = true;
+ }
+
+#endif
+ return IPC_OK();
+};
+
+void ContentCompositorBridgeParent::DidCompositeLocked(
+ LayersId aId, const VsyncId& aVsyncId, TimeStamp& aCompositeStart,
+ TimeStamp& aCompositeEnd) {
+ sIndirectLayerTreesLock->AssertCurrentThreadOwns();
+ if (sIndirectLayerTrees[aId].mWrBridge) {
+ MOZ_ASSERT(false); // this should never get called for a WR compositor
+ }
+}
+
+bool ContentCompositorBridgeParent::SetTestSampleTime(const LayersId& aId,
+ const TimeStamp& aTime) {
+ MOZ_ASSERT(aId.IsValid());
+ const CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aId);
+ if (!state) {
+ return false;
+ }
+
+ MOZ_ASSERT(state->mParent);
+ return state->mParent->SetTestSampleTime(aId, aTime);
+}
+
+void ContentCompositorBridgeParent::LeaveTestMode(const LayersId& aId) {
+ MOZ_ASSERT(aId.IsValid());
+ const CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aId);
+ if (!state) {
+ return;
+ }
+
+ MOZ_ASSERT(state->mParent);
+ state->mParent->LeaveTestMode(aId);
+}
+
+void ContentCompositorBridgeParent::SetTestAsyncScrollOffset(
+ const LayersId& aLayersId, const ScrollableLayerGuid::ViewID& aScrollId,
+ const CSSPoint& aPoint) {
+ MOZ_ASSERT(aLayersId.IsValid());
+ const CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aLayersId);
+ if (!state) {
+ return;
+ }
+
+ MOZ_ASSERT(state->mParent);
+ state->mParent->SetTestAsyncScrollOffset(aLayersId, aScrollId, aPoint);
+}
+
+void ContentCompositorBridgeParent::SetTestAsyncZoom(
+ const LayersId& aLayersId, const ScrollableLayerGuid::ViewID& aScrollId,
+ const LayerToParentLayerScale& aZoom) {
+ MOZ_ASSERT(aLayersId.IsValid());
+ const CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aLayersId);
+ if (!state) {
+ return;
+ }
+
+ MOZ_ASSERT(state->mParent);
+ state->mParent->SetTestAsyncZoom(aLayersId, aScrollId, aZoom);
+}
+
+void ContentCompositorBridgeParent::FlushApzRepaints(
+ const LayersId& aLayersId) {
+ MOZ_ASSERT(aLayersId.IsValid());
+ const CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aLayersId);
+ if (!state || !state->mParent) {
+ return;
+ }
+
+ state->mParent->FlushApzRepaints(aLayersId);
+}
+
+void ContentCompositorBridgeParent::GetAPZTestData(const LayersId& aLayersId,
+ APZTestData* aOutData) {
+ MOZ_ASSERT(aLayersId.IsValid());
+ const CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aLayersId);
+ if (!state || !state->mParent) {
+ return;
+ }
+
+ state->mParent->GetAPZTestData(aLayersId, aOutData);
+}
+
+void ContentCompositorBridgeParent::GetFrameUniformity(
+ const LayersId& aLayersId, FrameUniformityData* aOutData) {
+ MOZ_ASSERT(aLayersId.IsValid());
+ const CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aLayersId);
+ if (!state || !state->mParent) {
+ return;
+ }
+
+ state->mParent->GetFrameUniformity(aLayersId, aOutData);
+}
+
+void ContentCompositorBridgeParent::SetConfirmedTargetAPZC(
+ const LayersId& aLayersId, const uint64_t& aInputBlockId,
+ nsTArray<ScrollableLayerGuid>&& aTargets) {
+ MOZ_ASSERT(aLayersId.IsValid());
+ const CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aLayersId);
+ if (!state || !state->mParent) {
+ return;
+ }
+
+ state->mParent->SetConfirmedTargetAPZC(aLayersId, aInputBlockId,
+ std::move(aTargets));
+}
+
+void ContentCompositorBridgeParent::DeferredDestroy() { mSelfRef = nullptr; }
+
+ContentCompositorBridgeParent::~ContentCompositorBridgeParent() {
+ MOZ_ASSERT(XRE_GetIOMessageLoop());
+}
+
+PTextureParent* ContentCompositorBridgeParent::AllocPTextureParent(
+ const SurfaceDescriptor& aSharedData, ReadLockDescriptor& aReadLock,
+ const LayersBackend& aLayersBackend, const TextureFlags& aFlags,
+ const LayersId& aId, const uint64_t& aSerial,
+ const wr::MaybeExternalImageId& aExternalImageId) {
+ CompositorBridgeParent::LayerTreeState* state = nullptr;
+
+ LayerTreeMap::iterator itr = sIndirectLayerTrees.find(aId);
+ if (sIndirectLayerTrees.end() != itr) {
+ state = &itr->second;
+ }
+
+ TextureFlags flags = aFlags;
+
+ LayersBackend actualBackend = LayersBackend::LAYERS_NONE;
+ if (!state) {
+ // The compositor was recreated, and we're receiving layers updates for a
+ // a layer manager that will soon be discarded or invalidated. We can't
+ // return null because this will mess up deserialization later and we'll
+ // kill the content process. Instead, we signal that the underlying
+ // TextureHost should not attempt to access the compositor.
+ flags |= TextureFlags::INVALID_COMPOSITOR;
+ } else if (actualBackend != LayersBackend::LAYERS_NONE &&
+ aLayersBackend != actualBackend) {
+ gfxDevCrash(gfx::LogReason::PAllocTextureBackendMismatch)
+ << "Texture backend is wrong";
+ }
+
+ return TextureHost::CreateIPDLActor(
+ this, aSharedData, std::move(aReadLock), aLayersBackend, aFlags,
+ mCompositorManager->GetContentId(), aSerial, aExternalImageId);
+}
+
+bool ContentCompositorBridgeParent::DeallocPTextureParent(
+ PTextureParent* actor) {
+ return TextureHost::DestroyIPDLActor(actor);
+}
+
+mozilla::ipc::IPCResult ContentCompositorBridgeParent::RecvInitPCanvasParent(
+ Endpoint<PCanvasParent>&& aEndpoint) {
+ MOZ_RELEASE_ASSERT(!mCanvasTranslator,
+ "mCanvasTranslator must be released before recreating.");
+
+ mCanvasTranslator = CanvasTranslator::Create(std::move(aEndpoint));
+ return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+ContentCompositorBridgeParent::RecvReleasePCanvasParent() {
+ MOZ_RELEASE_ASSERT(mCanvasTranslator,
+ "mCanvasTranslator hasn't been created.");
+
+ mCanvasTranslator = nullptr;
+ return IPC_OK();
+}
+
+UniquePtr<SurfaceDescriptor>
+ContentCompositorBridgeParent::LookupSurfaceDescriptorForClientTexture(
+ const int64_t aTextureId) {
+ MOZ_RELEASE_ASSERT(mCanvasTranslator,
+ "mCanvasTranslator hasn't been created.");
+
+ return mCanvasTranslator->WaitForSurfaceDescriptor(aTextureId);
+}
+
+bool ContentCompositorBridgeParent::IsSameProcess() const {
+ return OtherPid() == base::GetCurrentProcId();
+}
+
+void ContentCompositorBridgeParent::ObserveLayersUpdate(
+ LayersId aLayersId, LayersObserverEpoch aEpoch, bool aActive) {
+ MOZ_ASSERT(aLayersId.IsValid());
+
+ CompositorBridgeParent::LayerTreeState* state =
+ CompositorBridgeParent::GetIndirectShadowTree(aLayersId);
+ if (!state || !state->mParent) {
+ return;
+ }
+
+ Unused << state->mParent->SendObserveLayersUpdate(aLayersId, aEpoch, aActive);
+}
+
+} // namespace mozilla::layers