cc/surfaces/surface_factory.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/surfaces/surface_factory.h"
   6
   7 #include "base/trace_event/trace_event.h"
   8 #include "cc/output/compositor_frame.h"
   9 #include "cc/output/copy_output_request.h"
  10 #include "cc/surfaces/surface.h"
  11 #include "cc/surfaces/surface_manager.h"
  12 #include "ui/gfx/geometry/size.h"
  13
  14 namespace cc {
  15 SurfaceFactory::SurfaceFactory(SurfaceManager* manager,
  16                                SurfaceFactoryClient* client)
  17     : manager_(manager),
  18       client_(client),
  19       holder_(client),
  20       needs_sync_points_(true) {
  21 }
  22
  23 SurfaceFactory::~SurfaceFactory() {
  24   if (!surface_map_.empty()) {
  25     LOG(ERROR) << "SurfaceFactory has " << surface_map_.size()
  26                << " entries in map on destruction.";
  27   }
  28   DestroyAll();
  29 }
  30
  31 void SurfaceFactory::DestroyAll() {
  32   for (auto it = surface_map_.begin(); it != surface_map_.end(); ++it)
  33     manager_->Destroy(surface_map_.take(it));
  34   surface_map_.clear();
  35 }
  36
  37 void SurfaceFactory::Create(SurfaceId surface_id) {
  38   scoped_ptr<Surface> surface(new Surface(surface_id, this));
  39   manager_->RegisterSurface(surface.get());
  40   DCHECK(!surface_map_.count(surface_id));
  41   surface_map_.add(surface_id, surface.Pass());
  42 }
  43
  44 void SurfaceFactory::Destroy(SurfaceId surface_id) {
  45   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
  46   DCHECK(it != surface_map_.end());
  47   DCHECK(it->second->factory().get() == this);
  48   manager_->Destroy(surface_map_.take_and_erase(it));
  49 }
  50
  51 void SurfaceFactory::SubmitFrame(SurfaceId surface_id,
  52                                  scoped_ptr<CompositorFrame> frame,
  53                                  const DrawCallback& callback) {
  54   TRACE_EVENT0("cc", "SurfaceFactory::SubmitFrame");
  55   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
  56   DCHECK(it != surface_map_.end());
  57   DCHECK(it->second->factory().get() == this);
  58   it->second->QueueFrame(frame.Pass(), callback);
  59   if (!manager_->SurfaceModified(surface_id)) {
  60     TRACE_EVENT_INSTANT0("cc", "Damage not visible.", TRACE_EVENT_SCOPE_THREAD);
  61     it->second->RunDrawCallbacks(SurfaceDrawStatus::DRAW_SKIPPED);
  62   }
  63 }
  64
  65 void SurfaceFactory::RequestCopyOfSurface(
  66     SurfaceId surface_id,
  67     scoped_ptr<CopyOutputRequest> copy_request) {
  68   OwningSurfaceMap::iterator it = surface_map_.find(surface_id);
  69   if (it == surface_map_.end()) {
  70     copy_request->SendEmptyResult();
  71     return;
  72   }
  73   DCHECK(it->second->factory().get() == this);
  74   it->second->RequestCopyOfOutput(copy_request.Pass());
  75   manager_->SurfaceModified(surface_id);
  76 }
  77
  78 void SurfaceFactory::ReceiveFromChild(
  79     const TransferableResourceArray& resources) {
  80   holder_.ReceiveFromChild(resources);
  81 }
  82
  83 void SurfaceFactory::RefResources(const TransferableResourceArray& resources) {
  84   holder_.RefResources(resources);
  85 }
  86
  87 void SurfaceFactory::UnrefResources(const ReturnedResourceArray& resources) {
  88   holder_.UnrefResources(resources);
  89 }
  90
  91 }  // namespace cc