| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /************************************************************************************************** |
| *** This file was autogenerated from GrTiledGradientEffect.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrTiledGradientEffect.h" |
| #include "glsl/GrGLSLFragmentProcessor.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "glsl/GrGLSLProgramBuilder.h" |
| #include "GrTexture.h" |
| #include "SkSLCPP.h" |
| #include "SkSLUtil.h" |
| class GrGLSLTiledGradientEffect : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLTiledGradientEffect() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrTiledGradientEffect& _outer = args.fFp.cast<GrTiledGradientEffect>(); |
| (void)_outer; |
| auto mirror = _outer.mirror(); |
| (void)mirror; |
| auto makePremul = _outer.makePremul(); |
| (void)makePremul; |
| auto colorsAreOpaque = _outer.colorsAreOpaque(); |
| (void)colorsAreOpaque; |
| SkString _child1("_child1"); |
| this->emitChild(_outer.gradLayout_index(), &_child1, args); |
| fragBuilder->codeAppendf( |
| "half4 t = %s;\nif (!%s && t.y < 0.0) {\n %s = half4(0.0);\n} else {\n @if " |
| "(%s) {\n half t_1 = t.x - 1.0;\n half tiled_t = (t_1 - 2.0 * " |
| "floor(t_1 * 0.5)) - 1.0;\n if (sk_Caps.mustDoOpBetweenFloorAndAbs) {\n " |
| " tiled_t = clamp(tiled_t, -1.0, 1.0);\n }\n t.x = " |
| "abs(tiled_t);\n } else {\n t.x = fract(t.x);\n }", |
| _child1.c_str(), |
| (_outer.childProcessor(_outer.gradLayout_index()).preservesOpaqueInput() ? "true" |
| : "false"), |
| args.fOutputColor, (_outer.mirror() ? "true" : "false")); |
| SkString _input0("t"); |
| SkString _child0("_child0"); |
| this->emitChild(_outer.colorizer_index(), _input0.c_str(), &_child0, args); |
| fragBuilder->codeAppendf("\n %s = %s;\n}\n@if (%s) {\n %s.xyz *= %s.w;\n}\n", |
| args.fOutputColor, _child0.c_str(), |
| (_outer.makePremul() ? "true" : "false"), args.fOutputColor, |
| args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override {} |
| }; |
| GrGLSLFragmentProcessor* GrTiledGradientEffect::onCreateGLSLInstance() const { |
| return new GrGLSLTiledGradientEffect(); |
| } |
| void GrTiledGradientEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| b->add32((int32_t)fMirror); |
| b->add32((int32_t)fMakePremul); |
| } |
| bool GrTiledGradientEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrTiledGradientEffect& that = other.cast<GrTiledGradientEffect>(); |
| (void)that; |
| if (fMirror != that.fMirror) return false; |
| if (fMakePremul != that.fMakePremul) return false; |
| if (fColorsAreOpaque != that.fColorsAreOpaque) return false; |
| return true; |
| } |
| GrTiledGradientEffect::GrTiledGradientEffect(const GrTiledGradientEffect& src) |
| : INHERITED(kGrTiledGradientEffect_ClassID, src.optimizationFlags()) |
| , fColorizer_index(src.fColorizer_index) |
| , fGradLayout_index(src.fGradLayout_index) |
| , fMirror(src.fMirror) |
| , fMakePremul(src.fMakePremul) |
| , fColorsAreOpaque(src.fColorsAreOpaque) { |
| this->registerChildProcessor(src.childProcessor(fColorizer_index).clone()); |
| this->registerChildProcessor(src.childProcessor(fGradLayout_index).clone()); |
| } |
| std::unique_ptr<GrFragmentProcessor> GrTiledGradientEffect::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrTiledGradientEffect(*this)); |
| } |