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// 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
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