components/surfaces/surfaces_impl.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 "components/surfaces/surfaces_impl.h"
   6
   7 #include "base/trace_event/trace_event.h"
   8 #include "cc/output/compositor_frame.h"
   9 #include "cc/resources/returned_resource.h"
  10 #include "cc/surfaces/surface_id_allocator.h"
  11 #include "components/surfaces/surfaces_scheduler.h"
  12 #include "mojo/converters/geometry/geometry_type_converters.h"
  13 #include "mojo/converters/surfaces/surfaces_type_converters.h"
  14
  15 using mojo::SurfaceIdPtr;
  16
  17 namespace surfaces {
  18
  19 namespace {
  20 void CallCallback(const mojo::Closure& callback, cc::SurfaceDrawStatus status) {
  21   callback.Run();
  22 }
  23 }
  24
  25 SurfacesImpl::SurfacesImpl(cc::SurfaceManager* manager,
  26                            uint32_t id_namespace,
  27                            SurfacesScheduler* scheduler,
  28                            mojo::InterfaceRequest<mojo::Surface> request)
  29     : manager_(manager),
  30       factory_(manager, this),
  31       id_namespace_(id_namespace),
  32       scheduler_(scheduler),
  33       binding_(this, request.Pass()) {
  34 }
  35
  36 SurfacesImpl::~SurfacesImpl() {
  37   factory_.DestroyAll();
  38 }
  39
  40 void SurfacesImpl::GetIdNamespace(
  41     const Surface::GetIdNamespaceCallback& callback) {
  42   callback.Run(id_namespace_);
  43 }
  44
  45 void SurfacesImpl::SetResourceReturner(mojo::ResourceReturnerPtr returner) {
  46   returner_ = returner.Pass();
  47 }
  48
  49 void SurfacesImpl::CreateSurface(uint32_t local_id) {
  50   factory_.Create(QualifyIdentifier(local_id));
  51 }
  52
  53 void SurfacesImpl::SubmitFrame(uint32_t local_id,
  54                                mojo::FramePtr frame,
  55                                const mojo::Closure& callback) {
  56   TRACE_EVENT0("mojo", "SurfacesImpl::SubmitFrame");
  57   factory_.SubmitFrame(QualifyIdentifier(local_id),
  58                        frame.To<scoped_ptr<cc::CompositorFrame>>(),
  59                        base::Bind(&CallCallback, callback));
  60   scheduler_->SetNeedsDraw();
  61 }
  62
  63 void SurfacesImpl::DestroySurface(uint32_t local_id) {
  64   factory_.Destroy(QualifyIdentifier(local_id));
  65 }
  66
  67 void SurfacesImpl::ReturnResources(const cc::ReturnedResourceArray& resources) {
  68   if (resources.empty() || !returner_)
  69     return;
  70   mojo::Array<mojo::ReturnedResourcePtr> ret(resources.size());
  71   for (size_t i = 0; i < resources.size(); ++i) {
  72     ret[i] = mojo::ReturnedResource::From(resources[i]);
  73   }
  74   returner_->ReturnResources(ret.Pass());
  75 }
  76
  77 cc::SurfaceId SurfacesImpl::QualifyIdentifier(uint32_t local_id) {
  78   return cc::SurfaceId(static_cast<uint64_t>(id_namespace_) << 32 | local_id);
  79 }
  80
  81 }  // namespace mojo