mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
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 "flutter/flow/layers/layer_tree.h"
|
|
|
|
#include "flutter/glue/trace_event.h"
|
|
#include "flutter/flow/layers/layer.h"
|
|
|
|
namespace flow {
|
|
|
|
LayerTree::LayerTree()
|
|
: frame_size_{}, scene_version_(0), rasterizer_tracing_threshold_(0) {}
|
|
|
|
LayerTree::~LayerTree() {}
|
|
|
|
void LayerTree::Raster(CompositorContext::ScopedFrame& frame,
|
|
bool ignore_raster_cache) {
|
|
{
|
|
TRACE_EVENT0("flutter", "LayerTree::Preroll");
|
|
Layer::PrerollContext context = {
|
|
ignore_raster_cache ? nullptr : &frame.context().raster_cache(),
|
|
frame.gr_context(), SkRect::MakeEmpty(),
|
|
};
|
|
root_layer_->Preroll(&context, SkMatrix());
|
|
}
|
|
|
|
{
|
|
Layer::PaintContext context = {frame.canvas(), frame.context().frame_time(),
|
|
frame.context().engine_time()};
|
|
TRACE_EVENT0("flutter", "LayerTree::Paint");
|
|
root_layer_->Paint(context);
|
|
}
|
|
}
|
|
|
|
#if defined(OS_FUCHSIA)
|
|
void LayerTree::UpdateScene(mozart::SceneUpdate* update,
|
|
mozart::Node* container) {
|
|
TRACE_EVENT0("flutter", "LayerTree::UpdateScene");
|
|
root_layer_->UpdateScene(update, container);
|
|
}
|
|
#endif
|
|
|
|
} // namespace flow
|