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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/output/overlay_processor.h" | |
6 | |
7 #include "cc/output/output_surface.h" | |
8 #include "cc/output/overlay_strategy_single_on_top.h" | |
9 #include "ui/gfx/geometry/rect_conversions.h" | |
10 #include "ui/gfx/transform.h" | |
11 | |
12 namespace cc { | |
13 | |
14 OverlayProcessor::OverlayProcessor(OutputSurface* surface, | |
15 ResourceProvider* resource_provider) | |
16 : surface_(surface), resource_provider_(resource_provider) {} | |
17 | |
18 void OverlayProcessor::Initialize() { | |
19 DCHECK(surface_); | |
20 if (!resource_provider_) | |
21 return; | |
22 | |
23 OverlayCandidateValidator* candidates = | |
24 surface_->overlay_candidate_validator(); | |
25 if (candidates) { | |
26 strategies_.push_back(scoped_ptr<Strategy>( | |
27 new OverlayStrategySingleOnTop(candidates, resource_provider_))); | |
28 } | |
29 } | |
30 | |
31 OverlayProcessor::~OverlayProcessor() {} | |
32 | |
33 void OverlayProcessor::ProcessForOverlays( | |
34 RenderPassList* render_passes_in_draw_order, | |
35 OverlayCandidateList* candidate_list) { | |
36 for (StrategyList::iterator it = strategies_.begin(); it != strategies_.end(); | |
37 ++it) { | |
38 if ((*it)->Attempt(render_passes_in_draw_order, candidate_list)) | |
39 return; | |
40 } | |
41 } | |
42 | |
43 } // namespace cc | |
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