Remove SurfaceFactory And SurfaceFactoryClient

cc/surfaces/compositor_frame_sink_support.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/surfaces/compositor_frame_sink_support.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "cc/output/compositor_frame.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/surfaces/compositor_frame_sink_support_client.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface.h"
+#include "cc/surfaces/surface_info.h"
 #include "cc/surfaces/surface_manager.h"
 #include "cc/surfaces/surface_reference.h"
 
 namespace cc {
 
 CompositorFrameSinkSupport::CompositorFrameSinkSupport(
     CompositorFrameSinkSupportClient* client,
     SurfaceManager* surface_manager,
     const FrameSinkId& frame_sink_id,
     bool is_root,
     bool handles_frame_sink_id_invalidation,
     bool needs_sync_points)
     : client_(client),
       surface_manager_(surface_manager),
+      surface_resource_holder_(this),
       frame_sink_id_(frame_sink_id),
-      surface_factory_(frame_sink_id_, surface_manager_, this),
       reference_tracker_(frame_sink_id),
       is_root_(is_root),
+      needs_sync_points_(needs_sync_points),
       handles_frame_sink_id_invalidation_(handles_frame_sink_id_invalidation),
       weak_factory_(this) {
-  surface_factory_.set_needs_sync_points(needs_sync_points);
   if (handles_frame_sink_id_invalidation_)
     surface_manager_->RegisterFrameSinkId(frame_sink_id_);
-  surface_manager_->RegisterSurfaceFactoryClient(frame_sink_id_, this);
+  surface_manager_->RegisterCompositorFrameSinkSupport(frame_sink_id_, this);
 }
 
 CompositorFrameSinkSupport::~CompositorFrameSinkSupport() {
   // Unregister |this| as a BeginFrameObserver so that the BeginFrameSource does
   // not call into |this| after it's deleted.
   SetNeedsBeginFrame(false);
 
   // For display root surfaces, the surface is no longer going to be visible
   // so make it unreachable from the top-level root.
   if (surface_manager_->using_surface_references() && is_root_ &&
       reference_tracker_.current_surface_id().is_valid())
     RemoveTopLevelRootReference(reference_tracker_.current_surface_id());
 
-  // SurfaceFactory's destructor will attempt to return resources which will
-  // call back into here and access |client_| so we should destroy
-  // |surface_factory_|'s resources early on.
-  surface_factory_.EvictSurface();
-  surface_manager_->UnregisterSurfaceFactoryClient(frame_sink_id_);
+  EvictFrame();
+  surface_manager_->UnregisterCompositorFrameSinkSupport(frame_sink_id_);
   if (handles_frame_sink_id_invalidation_)
     surface_manager_->InvalidateFrameSinkId(frame_sink_id_);
 }
 
 void CompositorFrameSinkSupport::EvictFrame() {
-  surface_factory_.EvictSurface();
+  if (!current_surface_)
+    return;
+  DestroyCurrentSurface();
 }
 
 void CompositorFrameSinkSupport::SetNeedsBeginFrame(bool needs_begin_frame) {
   needs_begin_frame_ = needs_begin_frame;
   UpdateNeedsBeginFramesInternal();
 }
 
 void CompositorFrameSinkSupport::BeginFrameDidNotSwap(
     const BeginFrameAck& ack) {
   // TODO(eseckler): While a pending CompositorFrame exists (see TODO below), we
   // should not acknowledge immediately. Instead, we should update the ack that
   // will be sent to DisplayScheduler when the pending frame is activated.
   if (ack.sequence_number < BeginFrameArgs::kStartingFrameNumber) {
     DLOG(ERROR) << "Received BeginFrameDidNotSwap with invalid BeginFrameAck.";
     return;
   }
 
   // |has_damage| is not transmitted, but false by default.
   DCHECK(!ack.has_damage);
   if (begin_frame_source_)
     begin_frame_source_->DidFinishFrame(this, ack);
 }
 
 void CompositorFrameSinkSupport::SubmitCompositorFrame(
     const LocalSurfaceId& local_surface_id,
     CompositorFrame frame) {
+  DCHECK(local_surface_id.is_valid());
+  TRACE_EVENT0("cc", "CompositorFrameSinkSupport::SubmitCompositorFrame");
   ++ack_pending_count_;
 
   if (frame.metadata.begin_frame_ack.sequence_number <
       BeginFrameArgs::kStartingFrameNumber) {
     DLOG(ERROR) << "Received CompositorFrame with invalid BeginFrameAck.";
     frame.metadata.begin_frame_ack.source_id = BeginFrameArgs::kManualSourceId;
     frame.metadata.begin_frame_ack.sequence_number =
         BeginFrameArgs::kStartingFrameNumber;
   }
   // |has_damage| is not transmitted.
   frame.metadata.begin_frame_ack.has_damage = true;
 
   BeginFrameAck ack = frame.metadata.begin_frame_ack;
-  surface_factory_.SubmitCompositorFrame(
-      local_surface_id, std::move(frame),
+
+  DCHECK(local_surface_id.is_valid());
+  std::unique_ptr<Surface> surface;
+  bool create_new_surface =
+      (!current_surface_ ||
+       local_surface_id != current_surface_->surface_id().local_surface_id());
+  if (!create_new_surface) {
+    surface = std::move(current_surface_);
+  } else {
+    surface = CreateSurface(local_surface_id);
+  }
+  surface->QueueFrame(
+      std::move(frame),
       base::Bind(&CompositorFrameSinkSupport::DidReceiveCompositorFrameAck,
                  weak_factory_.GetWeakPtr()));
 
+  if (!surface_manager_->SurfaceModified(
+          SurfaceId(frame_sink_id_, local_surface_id))) {
+    TRACE_EVENT_INSTANT0("cc", "Damage not visible.", TRACE_EVENT_SCOPE_THREAD);
+    surface->RunDrawCallbacks();
+  }
+  if (current_surface_ && create_new_surface) {
+    surface->SetPreviousFrameSurface(current_surface_.get());
+    DestroyCurrentSurface();
+  }
+  current_surface_ = std::move(surface);
+
   // TODO(eseckler): The CompositorFrame submitted below might not be activated
   // right away b/c of surface synchronization. We should only send the
   // BeginFrameAck to DisplayScheduler when it is activated. This also means
   // that we need to stay an active BFO while a CompositorFrame is pending.
   // See https://crbug.com/703079.
   if (begin_frame_source_)
     begin_frame_source_->DidFinishFrame(this, ack);
 }
 
 void CompositorFrameSinkSupport::UpdateSurfaceReferences(
@@ skipping 51 matching lines @@
   // We return the resources before sending an ack so they can be reused in
   // making the next CompositorFrame.
   if (!surface_returned_resources_.empty()) {
     client_->ReclaimResources(surface_returned_resources_);
     surface_returned_resources_.clear();
   }
   client_->DidReceiveCompositorFrameAck();
 }
 
 void CompositorFrameSinkSupport::ForceReclaimResources() {
-  surface_factory_.ClearSurface();
+  if (!current_surface_)
+    return;
+  current_surface_->EvictFrame();
+  surface_manager_->SurfaceModified(current_surface_->surface_id());
 }
 
 void CompositorFrameSinkSupport::ClaimTemporaryReference(
     const SurfaceId& surface_id) {
   surface_manager_->AssignTemporaryReference(surface_id, frame_sink_id_);
 }
 
+void CompositorFrameSinkSupport::ReceiveFromChild(
+    const TransferableResourceArray& resources) {
+  surface_resource_holder_.ReceiveFromChild(resources);
+}
+
+void CompositorFrameSinkSupport::RefResources(
+    const TransferableResourceArray& resources) {
+  surface_resource_holder_.RefResources(resources);
+}
+
+void CompositorFrameSinkSupport::UnrefResources(
+    const ReturnedResourceArray& resources) {
+  surface_resource_holder_.UnrefResources(resources);
+}
+
 BeginFrameSource* CompositorFrameSinkSupport::BeginFrameSourceForTesting()
     const {
   return begin_frame_source_;
 }
 
-void CompositorFrameSinkSupport::ReferencedSurfacesChanged(
-    const LocalSurfaceId& local_surface_id,
-    const std::vector<SurfaceId>* active_referenced_surfaces,
-    const std::vector<SurfaceId>* pending_referenced_surfaces) {
-  if (!surface_manager_->using_surface_references())
-    return;
-
-  SurfaceId last_surface_id = reference_tracker_.current_surface_id();
-
-  // Populate list of surface references to add and remove based on reference
-  // surfaces in current frame compared with the last frame. The list of
-  // surface references includes references from both the pending and active
-  // frame if any.
-  reference_tracker_.UpdateReferences(local_surface_id,
-                                      active_referenced_surfaces,
-                                      pending_referenced_surfaces);
-
-  UpdateSurfaceReferences(last_surface_id, local_surface_id);
-}
-
 void CompositorFrameSinkSupport::ReturnResources(
     const ReturnedResourceArray& resources) {
   if (resources.empty())
     return;
 
   if (!ack_pending_count_ && client_) {
     client_->ReclaimResources(resources);
     return;
   }
 
@@ skipping 25 matching lines @@
     client_->OnBeginFrame(args);
 }
 
 const BeginFrameArgs& CompositorFrameSinkSupport::LastUsedBeginFrameArgs()
     const {
   return last_begin_frame_args_;
 }
 
 void CompositorFrameSinkSupport::OnBeginFrameSourcePausedChanged(bool paused) {}
 
+void CompositorFrameSinkSupport::OnReferencedSurfacesChanged(
+    Surface* surface,
+    const std::vector<SurfaceId>* active_referenced_surfaces,
+    const std::vector<SurfaceId>* pending_referenced_surfaces) {
+  if (!surface_manager_->using_surface_references())
+    return;
+
+  SurfaceId last_surface_id = reference_tracker_.current_surface_id();
+  LocalSurfaceId local_surface_id = surface->surface_id().local_surface_id();
+  // Populate list of surface references to add and remove based on reference
+  // surfaces in current frame compared with the last frame. The list of
+  // surface references includes references from both the pending and active
+  // frame if any.
+  reference_tracker_.UpdateReferences(local_surface_id,
+                                      active_referenced_surfaces,
+                                      pending_referenced_surfaces);
+
+  UpdateSurfaceReferences(last_surface_id, local_surface_id);
+}
+
+void CompositorFrameSinkSupport::OnSurfaceActivated(Surface* surface) {
+  DCHECK(surface->HasActiveFrame());
+  // TODO(staraz): Notify BeginFrameSource about the last activated sequence
+  // number.
+  if (seen_first_frame_activation_)
+    return;
+
+  seen_first_frame_activation_ = true;
+
+  const CompositorFrame& frame = surface->GetActiveFrame();
+  // CompositorFrames might not be populated with a RenderPass in unit tests.
+  gfx::Size frame_size;
+  if (!frame.render_pass_list.empty())
+    frame_size = frame.render_pass_list.back()->output_rect.size();
+
+  // SurfaceCreated only applies for the first Surface activation. Thus,
+  // CompositorFrameSinkSupport stops observing new activations after the first
+  // one.
+  surface_manager_->SurfaceCreated(SurfaceInfo(
+      surface->surface_id(), frame.metadata.device_scale_factor, frame_size));
+}
+
+void CompositorFrameSinkSupport::OnSurfaceDependenciesChanged(
+    Surface* surface,
+    const SurfaceDependencies& added_dependencies,
+    const SurfaceDependencies& removed_dependencies) {}
+
+void CompositorFrameSinkSupport::OnSurfaceDiscarded(Surface* surface) {}
+
 void CompositorFrameSinkSupport::UpdateNeedsBeginFramesInternal() {
   if (!begin_frame_source_)
     return;
 
   if (needs_begin_frame_ == added_frame_observer_)
     return;
 
   added_frame_observer_ = needs_begin_frame_;
   if (needs_begin_frame_)
     begin_frame_source_->AddObserver(this);
   else
     begin_frame_source_->RemoveObserver(this);
 }
 
+std::unique_ptr<Surface> CompositorFrameSinkSupport::CreateSurface(
+    const LocalSurfaceId& local_surface_id) {
+  seen_first_frame_activation_ = false;
+  std::unique_ptr<Surface> surface = surface_manager_->CreateSurface(
+      weak_factory_.GetWeakPtr(), local_surface_id);
+  surface->AddObserver(this);
+  return surface;
+}
+
+void CompositorFrameSinkSupport::DestroyCurrentSurface() {
+  current_surface_->RemoveObserver(this);
+  surface_manager_->DestroySurface(std::move(current_surface_));
+}
+
 void CompositorFrameSinkSupport::RequestCopyOfSurface(
-    std::unique_ptr<CopyOutputRequest> request) {
-  surface_factory_.RequestCopyOfSurface(std::move(request));
+    std::unique_ptr<CopyOutputRequest> copy_request) {
+  if (!current_surface_) {
+    copy_request->SendEmptyResult();
+    return;
+  }
+  DCHECK(current_surface_->compositor_frame_sink_support().get() == this);
+  current_surface_->RequestCopyOfOutput(std::move(copy_request));
+  surface_manager_->SurfaceModified(current_surface_->surface_id());
 }
 
 }  // namespace cc