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2a13567a7e
When we pipelined the drawing commands we caused UpdateScene to be called before Preroll, which isn't allowed. Now we call Preroll, UpdateScene, and Paint separately.
54 lines
1.7 KiB
C++
54 lines
1.7 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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#include "flutter/flow/layers/layer_tree.h"
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#include "flutter/flow/layers/layer.h"
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#include "flutter/glue/trace_event.h"
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namespace flow {
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LayerTree::LayerTree()
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: frame_size_{},
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scene_version_(0),
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rasterizer_tracing_threshold_(0),
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checkerboard_raster_cache_images_(false) {}
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LayerTree::~LayerTree() {}
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void LayerTree::Raster(CompositorContext::ScopedFrame& frame,
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bool ignore_raster_cache) {
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Preroll(frame, ignore_raster_cache);
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Paint(frame);
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}
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void LayerTree::Preroll(CompositorContext::ScopedFrame& frame,
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bool ignore_raster_cache) {
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TRACE_EVENT0("flutter", "LayerTree::Preroll");
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frame.context().raster_cache().SetCheckboardCacheImages(
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checkerboard_raster_cache_images_);
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Layer::PrerollContext context = {
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ignore_raster_cache ? nullptr : &frame.context().raster_cache(),
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frame.gr_context(), SkRect::MakeEmpty(),
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};
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root_layer_->Preroll(&context, SkMatrix());
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}
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#if defined(OS_FUCHSIA)
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void LayerTree::UpdateScene(mozart::SceneUpdate* update,
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mozart::Node* container) {
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TRACE_EVENT0("flutter", "LayerTree::UpdateScene");
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root_layer_->UpdateScene(update, container);
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}
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#endif
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void LayerTree::Paint(CompositorContext::ScopedFrame& frame) {
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Layer::PaintContext context = {frame.canvas(), frame.context().frame_time(),
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frame.context().engine_time()};
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TRACE_EVENT0("flutter", "LayerTree::Paint");
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root_layer_->Paint(context);
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}
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} // namespace flow
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