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 12namespace cc { 13 14OverlayProcessor::OverlayProcessor(OutputSurface* surface, 15 ResourceProvider* resource_provider) 16 : surface_(surface), resource_provider_(resource_provider) {} 17 18void 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 31OverlayProcessor::~OverlayProcessor() {} 32 33void 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 44