mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
2d9155e174
* Revert "Revert "Reland "Run Flutter on iOS and Android with color correct Skia" (#3818)" (#3823)" This reverts commit db8d8a9979901d05b011368226ad5bf61b1da13f. * Fix test code to match internal API change
65 lines
2.1 KiB
C++
65 lines
2.1 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/flow/layers/layer.h"
|
|
#include "flutter/glue/trace_event.h"
|
|
|
|
namespace flow {
|
|
|
|
LayerTree::LayerTree()
|
|
: frame_size_{},
|
|
scene_version_(0),
|
|
rasterizer_tracing_threshold_(0),
|
|
checkerboard_raster_cache_images_(false),
|
|
checkerboard_offscreen_layers_(false) {}
|
|
|
|
LayerTree::~LayerTree() {}
|
|
|
|
void LayerTree::Raster(CompositorContext::ScopedFrame& frame,
|
|
bool ignore_raster_cache) {
|
|
Preroll(frame, ignore_raster_cache);
|
|
Paint(frame);
|
|
}
|
|
|
|
void LayerTree::Preroll(CompositorContext::ScopedFrame& frame,
|
|
bool ignore_raster_cache) {
|
|
TRACE_EVENT0("flutter", "LayerTree::Preroll");
|
|
SkColorSpace* color_space =
|
|
frame.canvas() ? frame.canvas()->imageInfo().colorSpace() : nullptr;
|
|
frame.context().raster_cache().SetCheckboardCacheImages(
|
|
checkerboard_raster_cache_images_);
|
|
Layer::PrerollContext context = {
|
|
ignore_raster_cache ? nullptr : &frame.context().raster_cache(),
|
|
frame.gr_context(), color_space, SkRect::MakeEmpty(),
|
|
};
|
|
root_layer_->Preroll(&context, SkMatrix::I());
|
|
}
|
|
|
|
#if defined(OS_FUCHSIA)
|
|
void LayerTree::UpdateScene(SceneUpdateContext& context,
|
|
mozart::Node* container) {
|
|
TRACE_EVENT0("flutter", "LayerTree::UpdateScene");
|
|
|
|
if (root_layer_->needs_system_composite()) {
|
|
root_layer_->UpdateScene(context, container);
|
|
} else {
|
|
context.AddLayerToCurrentPaintTask(root_layer_.get());
|
|
}
|
|
context.FinalizeCurrentPaintTaskIfNeeded(container, SkMatrix::I());
|
|
}
|
|
#endif
|
|
|
|
void LayerTree::Paint(CompositorContext::ScopedFrame& frame) {
|
|
Layer::PaintContext context = {*frame.canvas(), frame.context().frame_time(),
|
|
frame.context().engine_time(),
|
|
frame.context().memory_usage(),
|
|
checkerboard_offscreen_layers_};
|
|
TRACE_EVENT0("flutter", "LayerTree::Paint");
|
|
root_layer_->Paint(context);
|
|
}
|
|
|
|
} // namespace flow
|