| /* |
| * 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 "src/gpu/GrTexture.h" |
| #include "src/gpu/glsl/GrGLSLFragmentProcessor.h" |
| #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "src/gpu/glsl/GrGLSLProgramBuilder.h" |
| #include "src/sksl/SkSLCPP.h" |
| #include "src/sksl/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 _sample453 = this->invokeChild(1, args); |
| fragBuilder->codeAppendf( |
| R"SkSL(half4 t = %s; |
| if (!%s && t.y < 0.0) { |
| %s = half4(0.0); |
| } else { |
| @if (%s) { |
| half t_1 = t.x - 1.0; |
| half tiled_t = (t_1 - 2.0 * floor(t_1 * 0.5)) - 1.0; |
| if (sk_Caps.mustDoOpBetweenFloorAndAbs) { |
| tiled_t = clamp(tiled_t, -1.0, 1.0); |
| } |
| t.x = abs(tiled_t); |
| } else { |
| t.x = fract(t.x); |
| })SkSL", |
| _sample453.c_str(), |
| (_outer.childProcessor(1)->preservesOpaqueInput() ? "true" : "false"), |
| args.fOutputColor, (_outer.mirror ? "true" : "false")); |
| SkString _input1464("t"); |
| SkString _sample1464 = this->invokeChild(0, _input1464.c_str(), args); |
| fragBuilder->codeAppendf( |
| R"SkSL( |
| %s = %s; |
| } |
| @if (%s) { |
| %s.xyz *= %s.w; |
| } |
| )SkSL", |
| args.fOutputColor, _sample1464.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)mirror); |
| b->add32((int32_t)makePremul); |
| } |
| bool GrTiledGradientEffect::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrTiledGradientEffect& that = other.cast<GrTiledGradientEffect>(); |
| (void)that; |
| if (mirror != that.mirror) return false; |
| if (makePremul != that.makePremul) return false; |
| if (colorsAreOpaque != that.colorsAreOpaque) return false; |
| return true; |
| } |
| GrTiledGradientEffect::GrTiledGradientEffect(const GrTiledGradientEffect& src) |
| : INHERITED(kGrTiledGradientEffect_ClassID, src.optimizationFlags()) |
| , mirror(src.mirror) |
| , makePremul(src.makePremul) |
| , colorsAreOpaque(src.colorsAreOpaque) { |
| this->cloneAndRegisterAllChildProcessors(src); |
| } |
| std::unique_ptr<GrFragmentProcessor> GrTiledGradientEffect::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrTiledGradientEffect(*this)); |
| } |