| // 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/paint/display_item_list.h" |
| #include "cc/paint/paint_op_buffer.h" |
| #include "ui/compositor/paint_context.h" |
| |
| namespace ui { |
| |
| PaintCache::PaintCache() = default; |
| PaintCache::~PaintCache() = default; |
| |
| bool PaintCache::UseCache(const PaintContext& context, |
| const gfx::Size& size_in_context) { |
| if (!paint_op_buffer_ || |
| context.device_scale_factor() != device_scale_factor_) { |
| return false; |
| } |
| DCHECK(context.list_); |
| context.list_->StartPaint(); |
| context.list_->push<cc::DrawRecordOp>(paint_op_buffer_); |
| gfx::Rect bounds_in_layer = context.ToLayerSpaceBounds(size_in_context); |
| context.list_->EndPaintOfUnpaired(bounds_in_layer); |
| return true; |
| } |
| |
| void PaintCache::SetPaintOpBuffer(sk_sp<cc::PaintOpBuffer> paint_op_buffer, |
| float device_scale_factor) { |
| paint_op_buffer_ = std::move(paint_op_buffer); |
| device_scale_factor_ = device_scale_factor; |
| } |
| |
| } // namespace ui |