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| 1 // Copyright 2012 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/layers/delegated_renderer_layer.h" | |
| 6 | |
| 7 #include "cc/layers/delegated_renderer_layer_impl.h" | |
| 8 #include "cc/output/delegated_frame_data.h" | |
| 9 #include "cc/quads/render_pass_draw_quad.h" | |
| 10 #include "cc/trees/layer_tree_host.h" | |
| 11 | |
| 12 namespace cc { | |
| 13 | |
| 14 scoped_refptr<DelegatedRendererLayer> DelegatedRendererLayer::Create( | |
| 15 const scoped_refptr<DelegatedFrameProvider>& frame_provider) { | |
| 16 return scoped_refptr<DelegatedRendererLayer>( | |
| 17 new DelegatedRendererLayer(frame_provider)); | |
| 18 } | |
| 19 | |
| 20 DelegatedRendererLayer::DelegatedRendererLayer( | |
| 21 const scoped_refptr<DelegatedFrameProvider>& frame_provider) | |
| 22 : Layer(), | |
| 23 frame_provider_(frame_provider), | |
| 24 should_collect_new_frame_(true), | |
| 25 frame_data_(nullptr), | |
| 26 weak_ptrs_(this) { | |
| 27 frame_provider_->AddObserver(this); | |
| 28 } | |
| 29 | |
| 30 DelegatedRendererLayer::~DelegatedRendererLayer() { | |
| 31 frame_provider_->RemoveObserver(this); | |
| 32 } | |
| 33 | |
| 34 scoped_ptr<LayerImpl> DelegatedRendererLayer::CreateLayerImpl( | |
| 35 LayerTreeImpl* tree_impl) { | |
| 36 return DelegatedRendererLayerImpl::Create(tree_impl, layer_id_); | |
| 37 } | |
| 38 | |
| 39 void DelegatedRendererLayer::SetLayerTreeHost(LayerTreeHost* host) { | |
| 40 if (layer_tree_host() == host) { | |
| 41 Layer::SetLayerTreeHost(host); | |
| 42 return; | |
| 43 } | |
| 44 | |
| 45 if (!host) { | |
| 46 // The active frame needs to be removed from the active tree and resources | |
| 47 // returned before the commit is called complete. | |
| 48 // TODO(danakj): Don't need to do this if the last frame commited was empty | |
| 49 // or we never commited a frame with resources. | |
| 50 SetNextCommitWaitsForActivation(); | |
| 51 } else { | |
| 52 // There is no active frame in the new layer tree host to wait for so no | |
| 53 // need to call SetNextCommitWaitsForActivation(). | |
| 54 should_collect_new_frame_ = true; | |
| 55 SetNeedsUpdate(); | |
| 56 } | |
| 57 | |
| 58 Layer::SetLayerTreeHost(host); | |
| 59 } | |
| 60 | |
| 61 void DelegatedRendererLayer::PushPropertiesTo(LayerImpl* impl) { | |
| 62 Layer::PushPropertiesTo(impl); | |
| 63 | |
| 64 DelegatedRendererLayerImpl* delegated_impl = | |
| 65 static_cast<DelegatedRendererLayerImpl*>(impl); | |
| 66 | |
| 67 delegated_impl->CreateChildIdIfNeeded( | |
| 68 frame_provider_->GetReturnResourcesCallbackForImplThread()); | |
| 69 | |
| 70 if (frame_data_) | |
| 71 delegated_impl->SetFrameData(frame_data_, frame_damage_); | |
| 72 frame_data_ = nullptr; | |
| 73 frame_damage_ = gfx::RectF(); | |
| 74 } | |
| 75 | |
| 76 void DelegatedRendererLayer::ProviderHasNewFrame() { | |
| 77 should_collect_new_frame_ = true; | |
| 78 SetNeedsUpdate(); | |
| 79 // The active frame needs to be replaced and resources returned before the | |
| 80 // commit is called complete. | |
| 81 SetNextCommitWaitsForActivation(); | |
| 82 } | |
| 83 | |
| 84 bool DelegatedRendererLayer::Update(ResourceUpdateQueue* queue, | |
| 85 const OcclusionTracker<Layer>* occlusion) { | |
| 86 bool updated = Layer::Update(queue, occlusion); | |
| 87 if (!should_collect_new_frame_) | |
| 88 return updated; | |
| 89 | |
| 90 frame_data_ = | |
| 91 frame_provider_->GetFrameDataAndRefResources(this, &frame_damage_); | |
| 92 should_collect_new_frame_ = false; | |
| 93 | |
| 94 SetNeedsPushProperties(); | |
| 95 return true; | |
| 96 } | |
| 97 | |
| 98 bool DelegatedRendererLayer::HasDelegatedContent() const { | |
| 99 return true; | |
| 100 } | |
| 101 | |
| 102 } // namespace cc | |
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Chromium Code Reviews
Issue 1057283003:
Remove parts of //cc we aren't using (Closed)
Base URL: git@github.com:domokit/mojo.git@master