1 /*
2 * Copyright 2014 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 #include "include/core/SkPoint.h"
9 #include "include/core/SkRect.h"
10 #include "include/core/SkScalar.h"
11 #include "include/private/base/SkAssert.h"
12 #include "src/gpu/ganesh/GrFragmentProcessor.h"
13 #include "src/gpu/ganesh/effects/GrOvalEffect.h"
14
15 #include <utility>
16
17 enum class GrClipEdgeType;
18
Make(std::unique_ptr<GrFragmentProcessor> inputFP,GrClipEdgeType edgeType,const SkRect & oval,const GrShaderCaps & caps)19 GrFPResult GrOvalEffect::Make(std::unique_ptr<GrFragmentProcessor> inputFP, GrClipEdgeType edgeType,
20 const SkRect& oval, const GrShaderCaps& caps) {
21 SkScalar w = oval.width();
22 SkScalar h = oval.height();
23 if (SkScalarNearlyEqual(w, h)) {
24 w /= 2;
25 return GrFragmentProcessor::Circle(std::move(inputFP), edgeType,
26 SkPoint::Make(oval.fLeft + w, oval.fTop + w), w);
27 } else {
28 w /= 2;
29 h /= 2;
30 return GrFragmentProcessor::Ellipse(std::move(inputFP), edgeType,
31 SkPoint::Make(oval.fLeft + w, oval.fTop + h),
32 SkPoint::Make(w, h), caps);
33 }
34 SkUNREACHABLE;
35 }
36