| // Copyright 2015 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 "ui/compositor/paint_cache.h" |
| |
| #include "cc/playback/display_item_list.h" |
| #include "ui/compositor/paint_context.h" |
| |
| namespace ui { |
| |
| PaintCache::PaintCache() : has_cache_(false) { |
| } |
| |
| PaintCache::~PaintCache() { |
| } |
| |
| bool PaintCache::UseCache(const PaintContext& context, |
| const gfx::Size& size_in_context) { |
| if (!has_cache_) |
| return false; |
| DCHECK(context.list_); |
| gfx::Rect bounds_in_layer = context.ToLayerSpaceBounds(size_in_context); |
| context.list_->CreateAndAppendDrawingItem<cc::DrawingDisplayItem>( |
| bounds_in_layer, display_item_); |
| return true; |
| } |
| |
| void PaintCache::SetCache(const cc::DrawingDisplayItem& item) { |
| item.CloneTo(&display_item_); |
| has_cache_ = true; |
| } |
| |
| } // namespace ui |