flutter_flutter/flow/layers/layer_tree.cc
2016-01-30 23:35:22 -08:00

32 lines
733 B
C++

// 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 "flow/layers/layer_tree.h"
#include "base/trace_event/trace_event.h"
#include "flow/layers/layer.h"
namespace flow {
LayerTree::LayerTree() : rasterizer_tracing_threashold_(0) {
}
LayerTree::~LayerTree() {
}
void LayerTree::Raster(PaintContext::ScopedFrame& frame) {
{
TRACE_EVENT0("flutter", "LayerTree::Preroll")
Layer::PrerollContext context = { frame, SkRect::MakeEmpty() };
root_layer_->Preroll(&context, SkMatrix());
}
{
TRACE_EVENT0("flutter", "LayerTree::Paint")
root_layer_->Paint(frame);
}
}
} // namespace flow