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e3bf0fa3c1
Previously we just dropped child scenes on the floor. Now we upload them to Mozart. However, we just draw them on top of all the other content and don't apply any clips or blends.
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLOW_LAYERS_LAYER_TREE_H_
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#define FLOW_LAYERS_LAYER_TREE_H_
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#include <stdint.h>
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#include <memory>
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#include "base/macros.h"
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#include "base/time/time.h"
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#include "flow/layers/layer.h"
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#include "third_party/skia/include/core/SkSize.h"
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namespace flow {
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class LayerTree {
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public:
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LayerTree();
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~LayerTree();
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void Raster(PaintContext::ScopedFrame& frame);
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// TODO(abarth): Integrate scene updates with the rasterization pass so that
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// we can draw on top of child scenes (and so that we can apply clips and
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// blending operations to child scene).
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void UpdateScene(mojo::gfx::composition::SceneUpdate* update,
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mojo::gfx::composition::Node* container);
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Layer* root_layer() const { return root_layer_.get(); }
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void set_root_layer(std::unique_ptr<Layer> root_layer) {
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root_layer_ = std::move(root_layer);
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}
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const SkISize& frame_size() const { return frame_size_; }
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void set_frame_size(const SkISize& frame_size) { frame_size_ = frame_size; }
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void set_construction_time(const base::TimeDelta& delta) {
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construction_time_ = delta;
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}
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const base::TimeDelta& construction_time() const {
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return construction_time_;
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}
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// The number of frame intervals missed after which the compositor must
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// trace the rasterized picture to a trace file. Specify 0 to disable all
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// tracing
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void set_rasterizer_tracing_threshold(uint32_t interval) {
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rasterizer_tracing_threashold_ = interval;
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}
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uint32_t rasterizer_tracing_threshold() const {
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return rasterizer_tracing_threashold_;
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}
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private:
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SkISize frame_size_; // Physical pixels.
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std::unique_ptr<Layer> root_layer_;
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base::TimeDelta construction_time_;
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uint32_t rasterizer_tracing_threashold_;
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DISALLOW_COPY_AND_ASSIGN(LayerTree);
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};
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} // namespace flow
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#endif // FLOW_LAYERS_LAYER_TREE_H_
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