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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.
47 lines
1.3 KiB
C++
47 lines
1.3 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 "flow/layers/container_layer.h"
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namespace flow {
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ContainerLayer::ContainerLayer() {
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}
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ContainerLayer::~ContainerLayer() {
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}
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void ContainerLayer::Add(std::unique_ptr<Layer> layer) {
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layer->set_parent(this);
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layers_.push_back(std::move(layer));
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}
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void ContainerLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
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PrerollChildren(context, matrix);
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}
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void ContainerLayer::PrerollChildren(PrerollContext* context,
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const SkMatrix& matrix) {
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SkRect child_paint_bounds;
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for (auto& layer : layers_) {
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PrerollContext child_context = *context;
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layer->Preroll(&child_context, matrix);
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child_paint_bounds.join(child_context.child_paint_bounds);
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}
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context->child_paint_bounds = child_paint_bounds;
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}
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void ContainerLayer::PaintChildren(PaintContext::ScopedFrame& frame) const {
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for (auto& layer : layers_)
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layer->Paint(frame);
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}
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void ContainerLayer::UpdateScene(mojo::gfx::composition::SceneUpdate* update,
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mojo::gfx::composition::Node* container) {
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for (auto& layer : layers_)
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layer->UpdateScene(update, container);
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}
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} // namespace flow
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