| /* |
| * 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 GrAlphaThresholdFragmentProcessor.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrAlphaThresholdFragmentProcessor.h" |
| |
| #include "src/core/SkUtils.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 GrGLSLAlphaThresholdFragmentProcessor : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLAlphaThresholdFragmentProcessor() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrAlphaThresholdFragmentProcessor& _outer = |
| args.fFp.cast<GrAlphaThresholdFragmentProcessor>(); |
| (void)_outer; |
| auto innerThreshold = _outer.innerThreshold; |
| (void)innerThreshold; |
| auto outerThreshold = _outer.outerThreshold; |
| (void)outerThreshold; |
| innerThresholdVar = args.fUniformHandler->addUniform( |
| &_outer, kFragment_GrShaderFlag, kHalf_GrSLType, "innerThreshold"); |
| outerThresholdVar = args.fUniformHandler->addUniform( |
| &_outer, kFragment_GrShaderFlag, kHalf_GrSLType, "outerThreshold"); |
| SkString _sample0 = this->invokeChild(0, args); |
| fragBuilder->codeAppendf( |
| R"SkSL(half4 color = %s;)SkSL", _sample0.c_str()); |
| SkString _sample1 = this->invokeChild(1, args); |
| fragBuilder->codeAppendf( |
| R"SkSL( |
| half4 mask_color = %s; |
| if (mask_color.w < 0.5) { |
| if (color.w > %s) { |
| half scale = %s / color.w; |
| color.xyz *= scale; |
| color.w = %s; |
| } |
| } else if (color.w < %s) { |
| half scale = %s / max(0.0010000000474974513, color.w); |
| color.xyz *= scale; |
| color.w = %s; |
| } |
| return color; |
| )SkSL", |
| _sample1.c_str(), |
| args.fUniformHandler->getUniformCStr(outerThresholdVar), |
| args.fUniformHandler->getUniformCStr(outerThresholdVar), |
| args.fUniformHandler->getUniformCStr(outerThresholdVar), |
| args.fUniformHandler->getUniformCStr(innerThresholdVar), |
| args.fUniformHandler->getUniformCStr(innerThresholdVar), |
| args.fUniformHandler->getUniformCStr(innerThresholdVar)); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override { |
| const GrAlphaThresholdFragmentProcessor& _outer = |
| _proc.cast<GrAlphaThresholdFragmentProcessor>(); |
| { |
| pdman.set1f(innerThresholdVar, (_outer.innerThreshold)); |
| pdman.set1f(outerThresholdVar, (_outer.outerThreshold)); |
| } |
| } |
| UniformHandle innerThresholdVar; |
| UniformHandle outerThresholdVar; |
| }; |
| std::unique_ptr<GrGLSLFragmentProcessor> GrAlphaThresholdFragmentProcessor::onMakeProgramImpl() |
| const { |
| return std::make_unique<GrGLSLAlphaThresholdFragmentProcessor>(); |
| } |
| void GrAlphaThresholdFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const {} |
| bool GrAlphaThresholdFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrAlphaThresholdFragmentProcessor& that = other.cast<GrAlphaThresholdFragmentProcessor>(); |
| (void)that; |
| if (innerThreshold != that.innerThreshold) return false; |
| if (outerThreshold != that.outerThreshold) return false; |
| return true; |
| } |
| GrAlphaThresholdFragmentProcessor::GrAlphaThresholdFragmentProcessor( |
| const GrAlphaThresholdFragmentProcessor& src) |
| : INHERITED(kGrAlphaThresholdFragmentProcessor_ClassID, src.optimizationFlags()) |
| , innerThreshold(src.innerThreshold) |
| , outerThreshold(src.outerThreshold) { |
| this->cloneAndRegisterAllChildProcessors(src); |
| } |
| std::unique_ptr<GrFragmentProcessor> GrAlphaThresholdFragmentProcessor::clone() const { |
| return std::make_unique<GrAlphaThresholdFragmentProcessor>(*this); |
| } |
| #if GR_TEST_UTILS |
| SkString GrAlphaThresholdFragmentProcessor::onDumpInfo() const { |
| return SkStringPrintf("(innerThreshold=%f, outerThreshold=%f)", innerThreshold, outerThreshold); |
| } |
| #endif |
| GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrAlphaThresholdFragmentProcessor); |
| #if GR_TEST_UTILS |
| std::unique_ptr<GrFragmentProcessor> GrAlphaThresholdFragmentProcessor::TestCreate( |
| GrProcessorTestData* testData) { |
| // Make the inner and outer thresholds be in [0, 1]. |
| float outerThresh = testData->fRandom->nextUScalar1(); |
| float innerThresh = testData->fRandom->nextUScalar1(); |
| std::unique_ptr<GrFragmentProcessor> inputChild, maskChild; |
| if (testData->fRandom->nextBool()) { |
| inputChild = GrProcessorUnitTest::MakeChildFP(testData); |
| } |
| maskChild = GrProcessorUnitTest::MakeChildFP(testData); |
| |
| return GrAlphaThresholdFragmentProcessor::Make( |
| std::move(inputChild), std::move(maskChild), innerThresh, outerThresh); |
| } |
| #endif |