| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| in half4x4 gradientMatrix; |
| |
| @coordTransform { |
| gradientMatrix |
| } |
| |
| void main() { |
| half t = length(sk_TransformedCoords2D[0]); |
| sk_OutColor = half4(t, 1, 0, 0); // y = 1 for always valid |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| @header { |
| #include "SkRadialGradient.h" |
| } |
| |
| @make { |
| static std::unique_ptr<GrFragmentProcessor> Make(const SkRadialGradient& gradient, |
| const GrFPArgs& args); |
| } |
| |
| @cppEnd { |
| std::unique_ptr<GrFragmentProcessor> GrRadialGradientLayout::Make( |
| const SkRadialGradient& grad, const GrFPArgs& args) { |
| SkMatrix matrix; |
| if (!grad.totalLocalMatrix(args.fPreLocalMatrix, args.fPostLocalMatrix)->invert(&matrix)) { |
| return nullptr; |
| } |
| matrix.postConcat(grad.getGradientMatrix()); |
| return std::unique_ptr<GrFragmentProcessor>(new GrRadialGradientLayout(matrix)); |
| } |
| } |