| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/output/overlay_processor.h" |
| |
| #include "cc/output/output_surface.h" |
| #include "cc/output/overlay_strategy_single_on_top.h" |
| #include "cc/output/overlay_strategy_underlay.h" |
| #include "ui/gfx/geometry/rect_conversions.h" |
| #include "ui/gfx/transform.h" |
| |
| namespace cc { |
| |
| OverlayProcessor::OverlayProcessor(OutputSurface* surface) : surface_(surface) { |
| } |
| |
| void OverlayProcessor::Initialize() { |
| DCHECK(surface_); |
| |
| OverlayCandidateValidator* candidates = |
| surface_->GetOverlayCandidateValidator(); |
| if (candidates) { |
| strategies_.push_back( |
| scoped_ptr<Strategy>(new OverlayStrategySingleOnTop(candidates))); |
| strategies_.push_back( |
| scoped_ptr<Strategy>(new OverlayStrategyUnderlay(candidates))); |
| } |
| } |
| |
| OverlayProcessor::~OverlayProcessor() {} |
| |
| void OverlayProcessor::ProcessForOverlays( |
| RenderPassList* render_passes_in_draw_order, |
| OverlayCandidateList* candidate_list) { |
| for (StrategyList::iterator it = strategies_.begin(); it != strategies_.end(); |
| ++it) { |
| if ((*it)->Attempt(render_passes_in_draw_order, candidate_list)) |
| return; |
| } |
| } |
| |
| } // namespace cc |