1/*
2 * Copyright 2018 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8@optimizationFlags {
9    kPreservesOpaqueInput_OptimizationFlag | kConstantOutputForConstantInput_OptimizationFlag
10}
11
12void main() {
13    sk_OutColor = sk_InColor;
14    sk_OutColor.rgb *= sk_InColor.a;
15}
16
17@class {
18    SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& input) const override {
19        return SkColor4f { input.fR, input.fG, input.fB, input.fA }.premul();
20    }
21}