/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/**************************************************************************************************
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*** This file was autogenerated from GrBlurredEdgeFragmentProcessor.fp; do not modify.
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**************************************************************************************************/
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#include "GrBlurredEdgeFragmentProcessor.h"
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#include "glsl/GrGLSLFragmentProcessor.h"
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#include "glsl/GrGLSLFragmentShaderBuilder.h"
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#include "glsl/GrGLSLProgramBuilder.h"
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#include "GrTexture.h"
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#include "SkSLCPP.h"
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#include "SkSLUtil.h"
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class GrGLSLBlurredEdgeFragmentProcessor : public GrGLSLFragmentProcessor {
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public:
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GrGLSLBlurredEdgeFragmentProcessor() {}
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void emitCode(EmitArgs& args) override {
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GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
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const GrBlurredEdgeFragmentProcessor& _outer =
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args.fFp.cast<GrBlurredEdgeFragmentProcessor>();
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(void)_outer;
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auto mode = _outer.mode();
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(void)mode;
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fragBuilder->codeAppendf(
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"half factor = half(1.0 - float(%s.w));\n@switch (%d) {\n case 0:\n "
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"factor = half(exp(float(float(-factor * factor) * 4.0)) - "
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"0.017999999999999999);\n break;\n case 1:\n factor = "
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"half(smoothstep(1.0, 0.0, float(factor)));\n break;\n}\n%s = "
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"half4(factor);\n",
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args.fInputColor, (int)_outer.mode(), args.fOutputColor);
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}
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private:
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void onSetData(const GrGLSLProgramDataManager& pdman,
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const GrFragmentProcessor& _proc) override {}
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};
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GrGLSLFragmentProcessor* GrBlurredEdgeFragmentProcessor::onCreateGLSLInstance() const {
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return new GrGLSLBlurredEdgeFragmentProcessor();
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}
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void GrBlurredEdgeFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps,
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GrProcessorKeyBuilder* b) const {
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b->add32((int32_t)fMode);
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}
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bool GrBlurredEdgeFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const {
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const GrBlurredEdgeFragmentProcessor& that = other.cast<GrBlurredEdgeFragmentProcessor>();
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(void)that;
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if (fMode != that.fMode) return false;
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return true;
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}
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GrBlurredEdgeFragmentProcessor::GrBlurredEdgeFragmentProcessor(
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const GrBlurredEdgeFragmentProcessor& src)
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: INHERITED(kGrBlurredEdgeFragmentProcessor_ClassID, src.optimizationFlags())
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, fMode(src.fMode) {}
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std::unique_ptr<GrFragmentProcessor> GrBlurredEdgeFragmentProcessor::clone() const {
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return std::unique_ptr<GrFragmentProcessor>(new GrBlurredEdgeFragmentProcessor(*this));
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}
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