Ethan Nicholas | 8dca18a | 2017-11-15 15:33:33 -0500 | [diff] [blame] | 1 | /* |
Ethan Nicholas | 130fb3f | 2018-02-01 12:14:34 -0500 | [diff] [blame] | 2 | * Copyright 2018 Google Inc. |
Ethan Nicholas | 8dca18a | 2017-11-15 15:33:33 -0500 | [diff] [blame] | 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 | |
Ethan Nicholas | 130fb3f | 2018-02-01 12:14:34 -0500 | [diff] [blame] | 8 | /************************************************************************************************** |
| 9 | *** This file was autogenerated from GrAARectEffect.fp; do not modify. |
| 10 | **************************************************************************************************/ |
Ethan Nicholas | 8dca18a | 2017-11-15 15:33:33 -0500 | [diff] [blame] | 11 | #include "GrAARectEffect.h" |
Ethan Nicholas | 8dca18a | 2017-11-15 15:33:33 -0500 | [diff] [blame] | 12 | #include "glsl/GrGLSLFragmentProcessor.h" |
| 13 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| 14 | #include "glsl/GrGLSLProgramBuilder.h" |
Ethan Nicholas | 2d5f9b3 | 2017-12-13 14:36:14 -0500 | [diff] [blame] | 15 | #include "GrTexture.h" |
Ethan Nicholas | 8dca18a | 2017-11-15 15:33:33 -0500 | [diff] [blame] | 16 | #include "SkSLCPP.h" |
| 17 | #include "SkSLUtil.h" |
| 18 | class GrGLSLAARectEffect : public GrGLSLFragmentProcessor { |
| 19 | public: |
| 20 | GrGLSLAARectEffect() {} |
| 21 | void emitCode(EmitArgs& args) override { |
| 22 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| 23 | const GrAARectEffect& _outer = args.fFp.cast<GrAARectEffect>(); |
| 24 | (void)_outer; |
| 25 | auto edgeType = _outer.edgeType(); |
| 26 | (void)edgeType; |
| 27 | auto rect = _outer.rect(); |
| 28 | (void)rect; |
| 29 | prevRect = float4(-1.0); |
| 30 | fRectUniformVar = args.fUniformHandler->addUniform( |
| 31 | kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "rectUniform"); |
| 32 | fragBuilder->codeAppendf( |
| 33 | "float4 prevRect = float4(%f, %f, %f, %f);\nhalf alpha;\n@switch (%d) {\n case " |
| 34 | "0:\n case 2:\n alpha = half(all(greaterThan(float4(sk_FragCoord.xy, " |
| 35 | "%s.zw), float4(%s.xy, sk_FragCoord.xy))) ? 1 : 0);\n break;\n " |
| 36 | "default:\n half xSub, ySub;\n xSub = half(min(sk_FragCoord.x - " |
| 37 | "%s.x, 0.0));\n xSub += half(min(%s.z - sk_FragCoord.x, 0.0));\n " |
| 38 | "ySub = half(min(sk_FragCoord.y - %s.y, 0.0));\n ySub += half(min(%s.w - " |
| 39 | "sk_FragCoord.y, 0.0));\n alpha = half((1", |
| 40 | prevRect.left(), |
| 41 | prevRect.top(), |
| 42 | prevRect.right(), |
| 43 | prevRect.bottom(), |
| 44 | (int)_outer.edgeType(), |
| 45 | args.fUniformHandler->getUniformCStr(fRectUniformVar), |
| 46 | args.fUniformHandler->getUniformCStr(fRectUniformVar), |
| 47 | args.fUniformHandler->getUniformCStr(fRectUniformVar), |
| 48 | args.fUniformHandler->getUniformCStr(fRectUniformVar), |
| 49 | args.fUniformHandler->getUniformCStr(fRectUniformVar), |
| 50 | args.fUniformHandler->getUniformCStr(fRectUniformVar)); |
| 51 | fragBuilder->codeAppendf( |
| 52 | ".0 + max(float(xSub), -1.0)) * (1.0 + max(float(ySub), -1.0)));\n}\n@if (%d == 2 " |
| 53 | "|| %d == 3) {\n alpha = half(1.0 - float(alpha));\n}\n%s = %s * alpha;\n", |
| 54 | (int)_outer.edgeType(), |
| 55 | (int)_outer.edgeType(), |
| 56 | args.fOutputColor, |
Michael Ludwig | 231de03 | 2018-08-30 14:33:01 -0400 | [diff] [blame] | 57 | args.fInputColor); |
Ethan Nicholas | 8dca18a | 2017-11-15 15:33:33 -0500 | [diff] [blame] | 58 | } |
| 59 | |
| 60 | private: |
| 61 | void onSetData(const GrGLSLProgramDataManager& pdman, |
| 62 | const GrFragmentProcessor& _proc) override { |
| 63 | const GrAARectEffect& _outer = _proc.cast<GrAARectEffect>(); |
| 64 | auto edgeType = _outer.edgeType(); |
| 65 | (void)edgeType; |
| 66 | auto rect = _outer.rect(); |
| 67 | (void)rect; |
| 68 | UniformHandle& rectUniform = fRectUniformVar; |
| 69 | (void)rectUniform; |
| 70 | |
| 71 | const SkRect& newRect = GrProcessorEdgeTypeIsAA(edgeType) ? rect.makeInset(.5f, .5f) : rect; |
| 72 | if (newRect != prevRect) { |
| 73 | pdman.set4f(rectUniform, newRect.fLeft, newRect.fTop, newRect.fRight, newRect.fBottom); |
| 74 | prevRect = newRect; |
| 75 | } |
| 76 | } |
Ethan Nicholas | e9d172a | 2017-11-20 12:12:24 -0500 | [diff] [blame] | 77 | SkRect prevRect = float4(0); |
Ethan Nicholas | 8dca18a | 2017-11-15 15:33:33 -0500 | [diff] [blame] | 78 | UniformHandle fRectUniformVar; |
| 79 | }; |
| 80 | GrGLSLFragmentProcessor* GrAARectEffect::onCreateGLSLInstance() const { |
| 81 | return new GrGLSLAARectEffect(); |
| 82 | } |
| 83 | void GrAARectEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| 84 | GrProcessorKeyBuilder* b) const { |
| 85 | b->add32((int32_t)fEdgeType); |
| 86 | } |
| 87 | bool GrAARectEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| 88 | const GrAARectEffect& that = other.cast<GrAARectEffect>(); |
| 89 | (void)that; |
| 90 | if (fEdgeType != that.fEdgeType) return false; |
| 91 | if (fRect != that.fRect) return false; |
| 92 | return true; |
| 93 | } |
| 94 | GrAARectEffect::GrAARectEffect(const GrAARectEffect& src) |
| 95 | : INHERITED(kGrAARectEffect_ClassID, src.optimizationFlags()) |
| 96 | , fEdgeType(src.fEdgeType) |
| 97 | , fRect(src.fRect) {} |
| 98 | std::unique_ptr<GrFragmentProcessor> GrAARectEffect::clone() const { |
| 99 | return std::unique_ptr<GrFragmentProcessor>(new GrAARectEffect(*this)); |
| 100 | } |
| 101 | GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrAARectEffect); |
| 102 | #if GR_TEST_UTILS |
| 103 | std::unique_ptr<GrFragmentProcessor> GrAARectEffect::TestCreate(GrProcessorTestData* d) { |
| 104 | SkRect rect = SkRect::MakeLTRB(d->fRandom->nextSScalar1(), |
| 105 | d->fRandom->nextSScalar1(), |
| 106 | d->fRandom->nextSScalar1(), |
| 107 | d->fRandom->nextSScalar1()); |
| 108 | std::unique_ptr<GrFragmentProcessor> fp; |
| 109 | do { |
| 110 | GrClipEdgeType edgeType = |
| 111 | static_cast<GrClipEdgeType>(d->fRandom->nextULessThan(kGrClipEdgeTypeCnt)); |
| 112 | |
| 113 | fp = GrAARectEffect::Make(edgeType, rect); |
| 114 | } while (nullptr == fp); |
| 115 | return fp; |
| 116 | } |
| 117 | #endif |