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ec3aedb2f2
* Add more profile markers * Revert FuchsiaSystemCompistedLayer changes * Re-add opacity w/o elevation changes * Fix formatting
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
// Copyright 2013 The Flutter 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 FLUTTER_FLOW_LAYERS_LAYER_TREE_H_
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#define FLUTTER_FLOW_LAYERS_LAYER_TREE_H_
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#include <stdint.h>
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#include <memory>
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#include "flutter/flow/compositor_context.h"
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#include "flutter/flow/layers/layer.h"
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#include "flutter/fml/macros.h"
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#include "flutter/fml/time/time_delta.h"
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#include "third_party/skia/include/core/SkPicture.h"
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#include "third_party/skia/include/core/SkSize.h"
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namespace flutter {
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class LayerTree {
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public:
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LayerTree(const SkISize& frame_size,
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float frame_physical_depth,
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float frame_device_pixel_ratio);
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// Perform a preroll pass on the tree and return information about
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// the tree that affects rendering this frame.
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//
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// Returns:
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// - a boolean indicating whether or not the top level of the
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// layer tree performs any operations that require readback
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// from the root surface.
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bool Preroll(CompositorContext::ScopedFrame& frame,
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bool ignore_raster_cache = false);
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#if defined(OS_FUCHSIA)
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void UpdateScene(SceneUpdateContext& context,
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scenic::ContainerNode& container);
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#endif
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void Paint(CompositorContext::ScopedFrame& frame,
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bool ignore_raster_cache = false) const;
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sk_sp<SkPicture> Flatten(const SkRect& bounds);
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Layer* root_layer() const { return root_layer_.get(); }
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void set_root_layer(std::shared_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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float frame_physical_depth() const { return frame_physical_depth_; }
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float frame_device_pixel_ratio() const { return frame_device_pixel_ratio_; }
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void RecordBuildTime(fml::TimePoint begin_start);
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fml::TimePoint build_start() const { return build_start_; }
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fml::TimePoint build_finish() const { return build_finish_; }
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fml::TimeDelta build_time() const { return build_finish_ - build_start_; }
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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_threshold_ = interval;
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}
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uint32_t rasterizer_tracing_threshold() const {
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return rasterizer_tracing_threshold_;
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}
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void set_checkerboard_raster_cache_images(bool checkerboard) {
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checkerboard_raster_cache_images_ = checkerboard;
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}
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void set_checkerboard_offscreen_layers(bool checkerboard) {
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checkerboard_offscreen_layers_ = checkerboard;
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}
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double device_pixel_ratio() const { return frame_device_pixel_ratio_; }
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private:
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std::shared_ptr<Layer> root_layer_;
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fml::TimePoint build_start_;
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fml::TimePoint build_finish_;
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SkISize frame_size_ = SkISize::MakeEmpty(); // Physical pixels.
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float frame_physical_depth_;
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float frame_device_pixel_ratio_ = 1.0f; // Logical / Physical pixels ratio.
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uint32_t rasterizer_tracing_threshold_;
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bool checkerboard_raster_cache_images_;
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bool checkerboard_offscreen_layers_;
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FML_DISALLOW_COPY_AND_ASSIGN(LayerTree);
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};
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} // namespace flutter
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#endif // FLUTTER_FLOW_LAYERS_LAYER_TREE_H_
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