blob: 13b6c6299b0afa5b15e6ef6466963b872dca406c [file] [log] [blame]
// Copyright 2014 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/direct_compositor_frame_sink.h"
#include "base/bind.h"
#include "cc/output/compositor_frame.h"
#include "cc/output/compositor_frame_sink_client.h"
#include "cc/surfaces/display.h"
#include "cc/surfaces/frame_sink_id.h"
#include "cc/surfaces/local_surface_id_allocator.h"
#include "cc/surfaces/surface.h"
#include "cc/surfaces/surface_manager.h"
namespace cc {
DirectCompositorFrameSink::DirectCompositorFrameSink(
const FrameSinkId& frame_sink_id,
SurfaceManager* surface_manager,
Display* display,
scoped_refptr<ContextProvider> context_provider,
scoped_refptr<ContextProvider> worker_context_provider,
gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
SharedBitmapManager* shared_bitmap_manager)
: CompositorFrameSink(std::move(context_provider),
std::move(worker_context_provider),
gpu_memory_buffer_manager,
shared_bitmap_manager),
frame_sink_id_(frame_sink_id),
surface_manager_(surface_manager),
display_(display) {
DCHECK(thread_checker_.CalledOnValidThread());
capabilities_.can_force_reclaim_resources = true;
// Display and DirectCompositorFrameSink share a GL context, so sync
// points aren't needed when passing resources between them.
capabilities_.delegated_sync_points_required = false;
}
DirectCompositorFrameSink::DirectCompositorFrameSink(
const FrameSinkId& frame_sink_id,
SurfaceManager* surface_manager,
Display* display,
scoped_refptr<VulkanContextProvider> vulkan_context_provider)
: CompositorFrameSink(std::move(vulkan_context_provider)),
frame_sink_id_(frame_sink_id),
surface_manager_(surface_manager),
display_(display) {
DCHECK(thread_checker_.CalledOnValidThread());
capabilities_.can_force_reclaim_resources = true;
}
DirectCompositorFrameSink::~DirectCompositorFrameSink() {
DCHECK(thread_checker_.CalledOnValidThread());
}
bool DirectCompositorFrameSink::BindToClient(
CompositorFrameSinkClient* client) {
DCHECK(thread_checker_.CalledOnValidThread());
if (!CompositorFrameSink::BindToClient(client))
return false;
// We want the Display's output surface to hear about lost context, and since
// this shares a context with it, we should not be listening for lost context
// callbacks on the context here.
if (auto* cp = context_provider())
cp->SetLostContextCallback(base::Closure());
constexpr bool is_root = true;
constexpr bool handles_frame_sink_id_invalidation = false;
support_ = CompositorFrameSinkSupport::Create(
this, surface_manager_, frame_sink_id_, is_root,
handles_frame_sink_id_invalidation,
capabilities_.delegated_sync_points_required);
begin_frame_source_ = base::MakeUnique<ExternalBeginFrameSource>(this);
client_->SetBeginFrameSource(begin_frame_source_.get());
// Avoid initializing GL context here, as this should be sharing the
// Display's context.
display_->Initialize(this, surface_manager_);
return true;
}
void DirectCompositorFrameSink::DetachFromClient() {
client_->SetBeginFrameSource(nullptr);
begin_frame_source_.reset();
// Unregister the SurfaceFactoryClient here instead of the dtor so that only
// one client is alive for this namespace at any given time.
support_.reset();
CompositorFrameSink::DetachFromClient();
}
void DirectCompositorFrameSink::SubmitCompositorFrame(CompositorFrame frame) {
DCHECK(frame.metadata.begin_frame_ack.has_damage);
DCHECK_LE(BeginFrameArgs::kStartingFrameNumber,
frame.metadata.begin_frame_ack.sequence_number);
gfx::Size frame_size = frame.render_pass_list.back()->output_rect.size();
if (frame_size.IsEmpty() || frame_size != last_swap_frame_size_) {
delegated_local_surface_id_ = local_surface_id_allocator_.GenerateId();
last_swap_frame_size_ = frame_size;
}
display_->SetLocalSurfaceId(delegated_local_surface_id_,
frame.metadata.device_scale_factor);
support_->SubmitCompositorFrame(delegated_local_surface_id_,
std::move(frame));
}
void DirectCompositorFrameSink::ForceReclaimResources() {
support_->ForceReclaimResources();
}
void DirectCompositorFrameSink::DisplayOutputSurfaceLost() {
is_lost_ = true;
client_->DidLoseCompositorFrameSink();
}
void DirectCompositorFrameSink::DisplayWillDrawAndSwap(
bool will_draw_and_swap,
const RenderPassList& render_passes) {
// This notification is not relevant to our client outside of tests.
}
void DirectCompositorFrameSink::DisplayDidDrawAndSwap() {
// This notification is not relevant to our client outside of tests. We
// unblock the client from DidDrawCallback() when the surface is going to
// be drawn.
}
void DirectCompositorFrameSink::DidReceiveCompositorFrameAck(
const ReturnedResourceArray& resources) {
client_->ReclaimResources(resources);
client_->DidReceiveCompositorFrameAck();
}
void DirectCompositorFrameSink::OnBeginFrame(const BeginFrameArgs& args) {
begin_frame_source_->OnBeginFrame(args);
}
void DirectCompositorFrameSink::ReclaimResources(
const ReturnedResourceArray& resources) {
client_->ReclaimResources(resources);
}
void DirectCompositorFrameSink::WillDrawSurface(
const LocalSurfaceId& local_surface_id,
const gfx::Rect& damage_rect) {
// TODO(staraz): Implement this.
}
void DirectCompositorFrameSink::OnNeedsBeginFrames(bool needs_begin_frame) {
support_->SetNeedsBeginFrame(needs_begin_frame);
}
void DirectCompositorFrameSink::OnDidFinishFrame(const BeginFrameAck& ack) {
// If there was damage, SubmitCompositorFrame includes the ack.
if (!ack.has_damage)
support_->BeginFrameDidNotSwap(ack);
}
} // namespace cc