| // 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 "ui/android/delegated_frame_host_android.h" |
| |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "cc/layers/solid_color_layer.h" |
| #include "cc/layers/surface_layer.h" |
| #include "components/viz/common/features.h" |
| #include "components/viz/common/frame_sinks/copy_output_result.h" |
| #include "components/viz/common/quads/compositor_frame.h" |
| #include "components/viz/common/surfaces/surface_id.h" |
| #include "components/viz/host/host_frame_sink_manager.h" |
| #include "components/viz/service/surfaces/surface.h" |
| #include "ui/android/view_android.h" |
| #include "ui/android/window_android.h" |
| #include "ui/android/window_android_compositor.h" |
| #include "ui/display/display.h" |
| #include "ui/display/screen.h" |
| #include "ui/gfx/geometry/dip_util.h" |
| |
| namespace ui { |
| |
| namespace { |
| |
| scoped_refptr<cc::SurfaceLayer> CreateSurfaceLayer( |
| const viz::SurfaceId& surface_id, |
| const gfx::Size& size_in_pixels, |
| bool surface_opaque) { |
| // manager must outlive compositors using it. |
| auto layer = cc::SurfaceLayer::Create(); |
| layer->SetPrimarySurfaceId(surface_id, |
| cc::DeadlinePolicy::UseDefaultDeadline()); |
| layer->SetFallbackSurfaceId(surface_id); |
| layer->SetBounds(size_in_pixels); |
| layer->SetIsDrawable(true); |
| layer->SetContentsOpaque(surface_opaque); |
| layer->SetHitTestable(true); |
| |
| return layer; |
| } |
| |
| } // namespace |
| |
| DelegatedFrameHostAndroid::DelegatedFrameHostAndroid( |
| ui::ViewAndroid* view, |
| viz::HostFrameSinkManager* host_frame_sink_manager, |
| Client* client, |
| const viz::FrameSinkId& frame_sink_id) |
| : frame_sink_id_(frame_sink_id), |
| view_(view), |
| host_frame_sink_manager_(host_frame_sink_manager), |
| client_(client), |
| begin_frame_source_(this), |
| enable_surface_synchronization_( |
| features::IsSurfaceSynchronizationEnabled()) { |
| DCHECK(view_); |
| DCHECK(client_); |
| |
| host_frame_sink_manager_->RegisterFrameSinkId(frame_sink_id_, this); |
| host_frame_sink_manager_->SetFrameSinkDebugLabel(frame_sink_id_, |
| "DelegatedFrameHostAndroid"); |
| CreateNewCompositorFrameSinkSupport(); |
| } |
| |
| DelegatedFrameHostAndroid::~DelegatedFrameHostAndroid() { |
| DestroyDelegatedContent(); |
| DetachFromCompositor(); |
| support_.reset(); |
| host_frame_sink_manager_->InvalidateFrameSinkId(frame_sink_id_); |
| } |
| |
| void DelegatedFrameHostAndroid::SubmitCompositorFrame( |
| const viz::LocalSurfaceId& local_surface_id, |
| viz::CompositorFrame frame, |
| viz::mojom::HitTestRegionListPtr hit_test_region_list) { |
| if (local_surface_id != surface_info_.id().local_surface_id()) { |
| DestroyDelegatedContent(); |
| DCHECK(!content_layer_); |
| |
| viz::RenderPass* root_pass = frame.render_pass_list.back().get(); |
| gfx::Size frame_size = root_pass->output_rect.size(); |
| surface_info_ = viz::SurfaceInfo( |
| viz::SurfaceId(frame_sink_id_, local_surface_id), 1.f, frame_size); |
| has_transparent_background_ = root_pass->has_transparent_background; |
| |
| support_->SubmitCompositorFrame(local_surface_id, std::move(frame), |
| std::move(hit_test_region_list)); |
| |
| content_layer_ = |
| CreateSurfaceLayer(surface_info_.id(), surface_info_.size_in_pixels(), |
| !has_transparent_background_); |
| view_->GetLayer()->AddChild(content_layer_); |
| } else { |
| support_->SubmitCompositorFrame(local_surface_id, std::move(frame), |
| std::move(hit_test_region_list)); |
| } |
| compositor_attach_until_frame_lock_.reset(); |
| } |
| |
| void DelegatedFrameHostAndroid::DidNotProduceFrame( |
| const viz::BeginFrameAck& ack) { |
| support_->DidNotProduceFrame(ack); |
| } |
| |
| viz::FrameSinkId DelegatedFrameHostAndroid::GetFrameSinkId() const { |
| return frame_sink_id_; |
| } |
| |
| void DelegatedFrameHostAndroid::CopyFromCompositingSurface( |
| const gfx::Rect& src_subrect, |
| const gfx::Size& output_size, |
| base::OnceCallback<void(const SkBitmap&)> callback) { |
| // TODO(vmpstr): We should defer this request until such time that this |
| // returns true. https://crbug.com/826097. |
| if (!CanCopyFromCompositingSurface()) { |
| std::move(callback).Run(SkBitmap()); |
| return; |
| } |
| |
| WindowAndroidCompositor* compositor = |
| view_->GetWindowAndroid()->GetCompositor(); |
| compositor->IncrementReadbackRequestCount(); |
| std::unique_ptr<viz::CopyOutputRequest> request = |
| std::make_unique<viz::CopyOutputRequest>( |
| viz::CopyOutputRequest::ResultFormat::RGBA_BITMAP, |
| base::BindOnce( |
| [](base::OnceCallback<void(const SkBitmap&)> callback, |
| base::WeakPtr<WindowAndroidCompositor> compositor_weak_ptr, |
| std::unique_ptr<viz::CopyOutputResult> result) { |
| if (compositor_weak_ptr) |
| compositor_weak_ptr->DecrementReadbackRequestCount(); |
| std::move(callback).Run(result->AsSkBitmap()); |
| }, |
| std::move(callback), compositor->GetWeakPtr())); |
| |
| if (src_subrect.IsEmpty()) { |
| request->set_area(gfx::Rect(surface_info_.size_in_pixels())); |
| } else { |
| request->set_area( |
| gfx::ConvertRectToPixel(view_->GetDipScale(), src_subrect)); |
| } |
| |
| if (!output_size.IsEmpty()) { |
| request->set_result_selection(gfx::Rect(output_size)); |
| request->SetScaleRatio( |
| gfx::Vector2d(request->area().width(), request->area().height()), |
| gfx::Vector2d(output_size.width(), output_size.height())); |
| } |
| |
| support_->RequestCopyOfOutput(local_surface_id_, std::move(request)); |
| } |
| |
| bool DelegatedFrameHostAndroid::CanCopyFromCompositingSurface() const { |
| return support_ && surface_info_.is_valid() && view_->GetWindowAndroid() && |
| view_->GetWindowAndroid()->GetCompositor(); |
| } |
| |
| void DelegatedFrameHostAndroid::DestroyDelegatedContent() { |
| // TakeFallbackContentFrom() can populate |content_layer_| when |
| // |surface_info_| is invalid. |
| if (content_layer_) { |
| content_layer_->RemoveFromParent(); |
| content_layer_ = nullptr; |
| } |
| |
| if (surface_info_.is_valid()) { |
| support_->EvictLastActivatedSurface(); |
| surface_info_ = viz::SurfaceInfo(); |
| } |
| } |
| |
| bool DelegatedFrameHostAndroid::HasDelegatedContent() const { |
| return surface_info_.is_valid(); |
| } |
| |
| void DelegatedFrameHostAndroid::CompositorFrameSinkChanged() { |
| DestroyDelegatedContent(); |
| CreateNewCompositorFrameSinkSupport(); |
| if (registered_parent_compositor_) |
| AttachToCompositor(registered_parent_compositor_); |
| } |
| |
| void DelegatedFrameHostAndroid::AttachToCompositor( |
| WindowAndroidCompositor* compositor) { |
| if (registered_parent_compositor_) |
| DetachFromCompositor(); |
| // If this is the first frame since the compositor became visible, we want to |
| // take the compositor lock, preventing compositor frames from being produced |
| // until all delegated frames are ready. This improves the resume transition, |
| // preventing flashes. Set a 5 second timeout to prevent locking up the |
| // browser in cases where the renderer hangs or another factor prevents a |
| // frame from being produced. If we already have delegated content, no need |
| // to take the lock. |
| if (compositor->IsDrawingFirstVisibleFrame() && !HasDelegatedContent()) { |
| compositor_attach_until_frame_lock_ = |
| compositor->GetCompositorLock(this, base::TimeDelta::FromSeconds(5)); |
| } |
| compositor->AddChildFrameSink(frame_sink_id_); |
| client_->SetBeginFrameSource(&begin_frame_source_); |
| registered_parent_compositor_ = compositor; |
| } |
| |
| void DelegatedFrameHostAndroid::DetachFromCompositor() { |
| if (!registered_parent_compositor_) |
| return; |
| compositor_attach_until_frame_lock_.reset(); |
| client_->SetBeginFrameSource(nullptr); |
| support_->SetNeedsBeginFrame(false); |
| registered_parent_compositor_->RemoveChildFrameSink(frame_sink_id_); |
| registered_parent_compositor_ = nullptr; |
| } |
| |
| void DelegatedFrameHostAndroid::SynchronizeVisualProperties() { |
| if (enable_surface_synchronization_) { |
| local_surface_id_ = local_surface_id_allocator_.GenerateId(); |
| |
| // TODO(ericrk): We should handle updating our surface layer with the new |
| // ID. See similar behavior in delegated_frame_host.cc. |
| // https://crbug.com/801350 |
| } |
| } |
| |
| void DelegatedFrameHostAndroid::DidReceiveCompositorFrameAck( |
| const std::vector<viz::ReturnedResource>& resources) { |
| client_->ReclaimResources(resources); |
| client_->DidReceiveCompositorFrameAck(); |
| } |
| |
| void DelegatedFrameHostAndroid::DidPresentCompositorFrame( |
| uint32_t presentation_token, |
| base::TimeTicks time, |
| base::TimeDelta refresh, |
| uint32_t flags) { |
| client_->DidPresentCompositorFrame(presentation_token, time, refresh, flags); |
| } |
| |
| void DelegatedFrameHostAndroid::DidDiscardCompositorFrame( |
| uint32_t presentation_token) { |
| client_->DidDiscardCompositorFrame(presentation_token); |
| } |
| |
| void DelegatedFrameHostAndroid::OnBeginFrame(const viz::BeginFrameArgs& args) { |
| begin_frame_source_.OnBeginFrame(args); |
| } |
| |
| void DelegatedFrameHostAndroid::ReclaimResources( |
| const std::vector<viz::ReturnedResource>& resources) { |
| client_->ReclaimResources(resources); |
| } |
| |
| void DelegatedFrameHostAndroid::OnBeginFramePausedChanged(bool paused) { |
| begin_frame_source_.OnSetBeginFrameSourcePaused(paused); |
| } |
| |
| void DelegatedFrameHostAndroid::OnNeedsBeginFrames(bool needs_begin_frames) { |
| support_->SetNeedsBeginFrame(needs_begin_frames); |
| } |
| |
| void DelegatedFrameHostAndroid::OnFirstSurfaceActivation( |
| const viz::SurfaceInfo& surface_info) { |
| // TODO(fsamuel): Once surface synchronization is turned on, the fallback |
| // surface should be set here. |
| } |
| |
| void DelegatedFrameHostAndroid::OnFrameTokenChanged(uint32_t frame_token) { |
| client_->OnFrameTokenChanged(frame_token); |
| } |
| |
| void DelegatedFrameHostAndroid::CompositorLockTimedOut() {} |
| |
| void DelegatedFrameHostAndroid::CreateNewCompositorFrameSinkSupport() { |
| constexpr bool is_root = false; |
| constexpr bool needs_sync_points = true; |
| support_.reset(); |
| support_ = host_frame_sink_manager_->CreateCompositorFrameSinkSupport( |
| this, frame_sink_id_, is_root, needs_sync_points); |
| } |
| |
| const viz::SurfaceId& DelegatedFrameHostAndroid::SurfaceId() const { |
| return surface_info_.id(); |
| } |
| |
| const viz::LocalSurfaceId& DelegatedFrameHostAndroid::GetLocalSurfaceId() |
| const { |
| return local_surface_id_; |
| } |
| |
| void DelegatedFrameHostAndroid::TakeFallbackContentFrom( |
| DelegatedFrameHostAndroid* other) { |
| if (content_layer_ || !other->content_layer_) |
| return; |
| content_layer_ = |
| CreateSurfaceLayer(other->content_layer_->fallback_surface_id(), |
| other->content_layer_->bounds(), |
| other->content_layer_->contents_opaque()); |
| view_->GetLayer()->AddChild(content_layer_); |
| } |
| |
| } // namespace ui |