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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/layers/delegated_renderer_layer.h" | 5 #include "cc/layers/delegated_renderer_layer.h" |
6 | 6 |
7 #include "cc/layers/delegated_renderer_layer_impl.h" | 7 #include "cc/layers/delegated_renderer_layer_impl.h" |
8 #include "cc/output/delegated_frame_data.h" | 8 #include "cc/output/delegated_frame_data.h" |
9 #include "cc/quads/render_pass_draw_quad.h" | 9 #include "cc/quads/render_pass_draw_quad.h" |
10 #include "cc/trees/blocking_task_runner.h" | 10 #include "cc/trees/blocking_task_runner.h" |
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86 SetNextCommitWaitsForActivation(); | 86 SetNextCommitWaitsForActivation(); |
87 } | 87 } |
88 | 88 |
89 void DelegatedRendererLayer::SetDisplaySize(const gfx::Size& size) { | 89 void DelegatedRendererLayer::SetDisplaySize(const gfx::Size& size) { |
90 if (display_size_ == size) | 90 if (display_size_ == size) |
91 return; | 91 return; |
92 display_size_ = size; | 92 display_size_ = size; |
93 SetNeedsCommit(); | 93 SetNeedsCommit(); |
94 } | 94 } |
95 | 95 |
96 static bool FrameDataRequiresFilterContext(const DelegatedFrameData* frame) { | |
97 for (size_t i = 0; i < frame->render_pass_list.size(); ++i) { | |
98 const QuadList& quad_list = frame->render_pass_list[i]->quad_list; | |
99 for (size_t j = 0; j < quad_list.size(); ++j) { | |
100 if (quad_list[j]->shared_quad_state->blend_mode != | |
101 SkXfermode::kSrcOver_Mode) | |
102 return true; | |
103 if (quad_list[j]->material != DrawQuad::RENDER_PASS) | |
104 continue; | |
105 const RenderPassDrawQuad* render_pass_quad = | |
106 RenderPassDrawQuad::MaterialCast(quad_list[j]); | |
107 if (!render_pass_quad->filters.IsEmpty() || | |
108 !render_pass_quad->background_filters.IsEmpty()) | |
109 return true; | |
110 } | |
111 } | |
112 return false; | |
113 } | |
114 | |
115 bool DelegatedRendererLayer::Update(ResourceUpdateQueue* queue, | 96 bool DelegatedRendererLayer::Update(ResourceUpdateQueue* queue, |
116 const OcclusionTracker<Layer>* occlusion) { | 97 const OcclusionTracker<Layer>* occlusion) { |
117 bool updated = Layer::Update(queue, occlusion); | 98 bool updated = Layer::Update(queue, occlusion); |
118 if (!should_collect_new_frame_) | 99 if (!should_collect_new_frame_) |
119 return updated; | 100 return updated; |
120 | 101 |
121 frame_data_ = | 102 frame_data_ = |
122 frame_provider_->GetFrameDataAndRefResources(this, &frame_damage_); | 103 frame_provider_->GetFrameDataAndRefResources(this, &frame_damage_); |
123 should_collect_new_frame_ = false; | 104 should_collect_new_frame_ = false; |
124 | 105 |
125 // If any quad has a filter operation or a blend mode other than normal, | |
126 // then we need an offscreen context to draw this layer's content. | |
127 if (FrameDataRequiresFilterContext(frame_data_)) | |
128 layer_tree_host()->set_needs_filter_context(); | |
129 | |
130 SetNeedsPushProperties(); | 106 SetNeedsPushProperties(); |
131 return true; | 107 return true; |
132 } | 108 } |
133 | 109 |
134 } // namespace cc | 110 } // namespace cc |
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