flutter_flutter/sky/compositor/container_layer.cc
Adam Barth 2e5d3c4977 Preroll rasterization
Prerolling the rasterization tasks reduces the number of render target
switches because we don't interrupt the main render target.
2016-01-08 13:17:13 -08:00

39 lines
993 B
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 "sky/compositor/container_layer.h"
namespace sky {
namespace compositor {
ContainerLayer::ContainerLayer() {
}
ContainerLayer::~ContainerLayer() {
}
void ContainerLayer::Add(std::unique_ptr<Layer> layer) {
layer->set_parent(this);
layers_.push_back(std::move(layer));
}
void ContainerLayer::Preroll(PaintContext::ScopedFrame& frame,
const SkMatrix& matrix) {
PrerollChildren(frame, matrix);
}
void ContainerLayer::PrerollChildren(PaintContext::ScopedFrame& frame,
const SkMatrix& matrix) {
for (auto& layer : layers_)
layer->Preroll(frame, matrix);
}
void ContainerLayer::PaintChildren(PaintContext::ScopedFrame& frame) const {
for (auto& layer : layers_)
layer->Paint(frame);
}
} // namespace compositor
} // namespace sky