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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "cc/delegated_renderer_layer.h" | 5 #include "cc/delegated_renderer_layer.h" |
| 6 | 6 |
| 7 #include "cc/delegated_frame_data.h" | 7 #include "cc/delegated_frame_data.h" |
| 8 #include "cc/delegated_renderer_layer_impl.h" | 8 #include "cc/delegated_renderer_layer_impl.h" |
| 9 | 9 |
| 10 namespace cc { | 10 namespace cc { |
| 11 | 11 |
| 12 scoped_refptr<DelegatedRendererLayer> DelegatedRendererLayer::Create() { | 12 scoped_refptr<DelegatedRendererLayer> DelegatedRendererLayer::Create() { |
| 13 return scoped_refptr<DelegatedRendererLayer>(new DelegatedRendererLayer()); | 13 return scoped_refptr<DelegatedRendererLayer>(new DelegatedRendererLayer()); |
| 14 } | 14 } |
| 15 | 15 |
| 16 DelegatedRendererLayer::DelegatedRendererLayer() | 16 DelegatedRendererLayer::DelegatedRendererLayer() |
| 17 : Layer() { | 17 : Layer() { |
| 18 } | 18 } |
| 19 | 19 |
| 20 DelegatedRendererLayer::~DelegatedRendererLayer() {} | 20 DelegatedRendererLayer::~DelegatedRendererLayer() {} |
| 21 | 21 |
| 22 scoped_ptr<LayerImpl> DelegatedRendererLayer::createLayerImpl( | 22 scoped_ptr<LayerImpl> DelegatedRendererLayer::CreateLayerImpl( |
| 23 LayerTreeImpl* tree_impl) { | 23 LayerTreeImpl* tree_impl) { |
| 24 return DelegatedRendererLayerImpl::Create( | 24 return DelegatedRendererLayerImpl::Create( |
| 25 tree_impl, m_layerId).PassAs<LayerImpl>(); | 25 tree_impl, layer_id_).PassAs<LayerImpl>(); |
| 26 } | 26 } |
| 27 | 27 |
| 28 bool DelegatedRendererLayer::drawsContent() const { | 28 bool DelegatedRendererLayer::DrawsContent() const { |
| 29 return Layer::drawsContent() && !frame_size_.IsEmpty(); | 29 return Layer::DrawsContent() && !frame_size_.IsEmpty(); |
| 30 } | 30 } |
| 31 | 31 |
| 32 void DelegatedRendererLayer::pushPropertiesTo(LayerImpl* impl) { | 32 void DelegatedRendererLayer::PushPropertiesTo(LayerImpl* impl) { |
| 33 Layer::pushPropertiesTo(impl); | 33 Layer::PushPropertiesTo(impl); |
| 34 | 34 |
| 35 DelegatedRendererLayerImpl* delegated_impl = | 35 DelegatedRendererLayerImpl* delegated_impl = |
| 36 static_cast<DelegatedRendererLayerImpl*>(impl); | 36 static_cast<DelegatedRendererLayerImpl*>(impl); |
| 37 | 37 |
| 38 delegated_impl->SetDisplaySize(display_size_); | 38 delegated_impl->SetDisplaySize(display_size_); |
| 39 | 39 |
| 40 if (!frame_data_) { | 40 if (!frame_data_) { |
| 41 delegated_impl->SetFrameData(scoped_ptr<DelegatedFrameData>(), | 41 delegated_impl->SetFrameData(scoped_ptr<DelegatedFrameData>(), |
| 42 gfx::Rect(), | 42 gfx::Rect(), |
| 43 &unused_resources_for_child_compositor_); | 43 &unused_resources_for_child_compositor_); |
| 44 } else if (frame_size_.IsEmpty()) { | 44 } else if (frame_size_.IsEmpty()) { |
| 45 scoped_ptr<DelegatedFrameData> empty_frame(new DelegatedFrameData); | 45 scoped_ptr<DelegatedFrameData> empty_frame(new DelegatedFrameData); |
| 46 delegated_impl->SetFrameData(empty_frame.Pass(), | 46 delegated_impl->SetFrameData(empty_frame.Pass(), |
| 47 gfx::Rect(), | 47 gfx::Rect(), |
| 48 &unused_resources_for_child_compositor_); | 48 &unused_resources_for_child_compositor_); |
| 49 } else { | 49 } else { |
| 50 delegated_impl->SetFrameData(frame_data_.Pass(), | 50 delegated_impl->SetFrameData(frame_data_.Pass(), |
| 51 damage_in_frame_, | 51 damage_in_frame_, |
| 52 &unused_resources_for_child_compositor_); | 52 &unused_resources_for_child_compositor_); |
| 53 } | 53 } |
| 54 frame_data_.reset(); | 54 frame_data_.reset(); |
| 55 damage_in_frame_ = gfx::RectF(); | 55 damage_in_frame_ = gfx::RectF(); |
| 56 } | 56 } |
| 57 | 57 |
| 58 void DelegatedRendererLayer::SetDisplaySize(gfx::Size size) { | 58 void DelegatedRendererLayer::SetDisplaySize(gfx::Size size) { |
| 59 if (display_size_ == size) | 59 if (display_size_ == size) |
| 60 return; | 60 return; |
| 61 display_size_ = size; | 61 display_size_ = size; |
| 62 setNeedsCommit(); | 62 SetNeedsCommit(); |
| 63 } | 63 } |
| 64 | 64 |
| 65 void DelegatedRendererLayer::SetFrameData( | 65 void DelegatedRendererLayer::SetFrameData( |
| 66 scoped_ptr<DelegatedFrameData> new_frame_data) { | 66 scoped_ptr<DelegatedFrameData> new_frame_data) { |
| 67 if (frame_data_) { | 67 if (frame_data_) { |
| 68 // Copy the resources from the last provided frame into the new frame, as | 68 // Copy the resources from the last provided frame into the new frame, as |
| 69 // it may use resources that were transferred in the last frame. | 69 // it may use resources that were transferred in the last frame. |
| 70 new_frame_data->resource_list.insert(new_frame_data->resource_list.end(), | 70 new_frame_data->resource_list.insert(new_frame_data->resource_list.end(), |
| 71 frame_data_->resource_list.begin(), | 71 frame_data_->resource_list.begin(), |
| 72 frame_data_->resource_list.end()); | 72 frame_data_->resource_list.end()); |
| 73 } | 73 } |
| 74 frame_data_ = new_frame_data.Pass(); | 74 frame_data_ = new_frame_data.Pass(); |
| 75 if (!frame_data_->render_pass_list.empty()) { | 75 if (!frame_data_->render_pass_list.empty()) { |
| 76 RenderPass* root_pass = frame_data_->render_pass_list.back(); | 76 RenderPass* root_pass = frame_data_->render_pass_list.back(); |
| 77 damage_in_frame_.Union(root_pass->damage_rect); | 77 damage_in_frame_.Union(root_pass->damage_rect); |
| 78 frame_size_ = root_pass->output_rect.size(); | 78 frame_size_ = root_pass->output_rect.size(); |
| 79 | 79 |
| 80 // TODO(danakj): This could be optimized to only add resources to the | 80 // TODO(danakj): This could be optimized to only add resources to the |
| 81 // frame_data_ if they are actually used in the frame. For now, it will | 81 // frame_data_ if they are actually used in the frame. For now, it will |
| 82 // cause the parent (this layer) to hold onto some resources it doesn't | 82 // cause the parent (this layer) to hold onto some resources it doesn't |
| 83 // need to for an extra frame. | 83 // need to for an extra frame. |
| 84 for (size_t i = 0; i < unused_resources_for_child_compositor_.size(); ++i) { | 84 for (size_t i = 0; i < unused_resources_for_child_compositor_.size(); ++i) { |
| 85 frame_data_->resource_list.push_back( | 85 frame_data_->resource_list.push_back( |
| 86 unused_resources_for_child_compositor_[i]); | 86 unused_resources_for_child_compositor_[i]); |
| 87 } | 87 } |
| 88 unused_resources_for_child_compositor_.clear(); | 88 unused_resources_for_child_compositor_.clear(); |
| 89 } else { | 89 } else { |
| 90 frame_size_ = gfx::Size(); | 90 frame_size_ = gfx::Size(); |
| 91 } | 91 } |
| 92 setNeedsCommit(); | 92 SetNeedsCommit(); |
| 93 } | 93 } |
| 94 | 94 |
| 95 void DelegatedRendererLayer::TakeUnusedResourcesForChildCompositor( | 95 void DelegatedRendererLayer::TakeUnusedResourcesForChildCompositor( |
| 96 TransferableResourceArray* array) { | 96 TransferableResourceArray* array) { |
| 97 DCHECK(array->empty()); | 97 DCHECK(array->empty()); |
| 98 array->clear(); | 98 array->clear(); |
| 99 | 99 |
| 100 array->swap(unused_resources_for_child_compositor_); | 100 array->swap(unused_resources_for_child_compositor_); |
| 101 } | 101 } |
| 102 | 102 |
| 103 } // namespace cc | 103 } // namespace cc |
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