mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
2e5d3c4977
Prerolling the rasterization tasks reduces the number of render target switches because we don't interrupt the main render target.
33 lines
797 B
C++
33 lines
797 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/transform_layer.h"
|
|
|
|
namespace sky {
|
|
namespace compositor {
|
|
|
|
TransformLayer::TransformLayer() {
|
|
}
|
|
|
|
TransformLayer::~TransformLayer() {
|
|
}
|
|
|
|
void TransformLayer::Preroll(PaintContext::ScopedFrame& frame,
|
|
const SkMatrix& matrix) {
|
|
SkMatrix childMatrix;
|
|
childMatrix.setConcat(matrix, transform_);
|
|
PrerollChildren(frame, childMatrix);
|
|
}
|
|
|
|
void TransformLayer::Paint(PaintContext::ScopedFrame& frame) {
|
|
SkCanvas& canvas = frame.canvas();
|
|
canvas.save();
|
|
canvas.concat(transform_);
|
|
PaintChildren(frame);
|
|
canvas.restore();
|
|
}
|
|
|
|
} // namespace compositor
|
|
} // namespace sky
|