blob: 8e6d7a46cbf454876555dcf632527f4ee994169b [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 <map>
#include <vector>
#include "base/callback.h"
#include "base/containers/hash_tables.h"
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "cc/base/scoped_ptr_vector.h"
#include "cc/output/copy_output_request.h"
#include "cc/quads/render_pass_id.h"
#include "cc/surfaces/surface_factory.h"
#include "cc/surfaces/surface_id.h"
#include "cc/surfaces/surface_sequence.h"
#include "cc/surfaces/surfaces_export.h"
#include "ui/gfx/geometry/size.h"
namespace ui {
struct LatencyInfo;
namespace cc {
class CompositorFrame;
class CopyOutputRequest;
class SurfaceManager;
class SurfaceFactory;
class SurfaceResourceHolder;
class CC_SURFACES_EXPORT Surface {
using DrawCallback = SurfaceFactory::DrawCallback;
Surface(SurfaceId id, SurfaceFactory* factory);
SurfaceId surface_id() const { return surface_id_; }
void QueueFrame(scoped_ptr<CompositorFrame> frame,
const DrawCallback& draw_callback);
void RequestCopyOfOutput(scoped_ptr<CopyOutputRequest> copy_request);
// Adds each CopyOutputRequest in the current frame to copy_requests. The
// caller takes ownership of them.
void TakeCopyOutputRequests(
std::multimap<RenderPassId, CopyOutputRequest*>* copy_requests);
// Returns the most recent frame that is eligible to be rendered.
const CompositorFrame* GetEligibleFrame();
// Returns a number that increments by 1 every time a new frame is enqueued.
int frame_index() const { return frame_index_; }
void TakeLatencyInfo(std::vector<ui::LatencyInfo>* latency_info);
void RunDrawCallbacks(SurfaceDrawStatus drawn);
base::WeakPtr<SurfaceFactory> factory() { return factory_; }
// Add a SurfaceSequence that must be satisfied before the Surface is
// destroyed.
void AddDestructionDependency(SurfaceSequence sequence);
// Satisfy all destruction dependencies that are contained in sequences, and
// remove them from sequences.
void SatisfyDestructionDependencies(
base::hash_set<SurfaceSequence>* sequences);
size_t GetDestructionDependencyCount() const {
return destruction_dependencies_.size();
void ClearCopyRequests();
SurfaceId surface_id_;
base::WeakPtr<SurfaceFactory> factory_;
// TODO(jamesr): Support multiple frames in flight.
scoped_ptr<CompositorFrame> current_frame_;
int frame_index_;
std::vector<SurfaceSequence> destruction_dependencies_;
DrawCallback draw_callback_;
} // namespace cc