| /* |
| * Copyright 2017 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 GrBlurredEdgeFragmentProcessor.fp; do not modify. |
| **************************************************************************************************/ |
| #include "GrBlurredEdgeFragmentProcessor.h" |
| #if SK_SUPPORT_GPU |
| #include "glsl/GrGLSLFragmentProcessor.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "glsl/GrGLSLProgramBuilder.h" |
| #include "GrTexture.h" |
| #include "SkSLCPP.h" |
| #include "SkSLUtil.h" |
| class GrGLSLBlurredEdgeFragmentProcessor : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLBlurredEdgeFragmentProcessor() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrBlurredEdgeFragmentProcessor& _outer = |
| args.fFp.cast<GrBlurredEdgeFragmentProcessor>(); |
| (void)_outer; |
| auto mode = _outer.mode(); |
| (void)mode; |
| fragBuilder->codeAppendf( |
| "half factor = half(1.0 - float(%s.w));\n@switch (%d) {\n case 0:\n " |
| "factor = half(exp(float(float(-factor * factor) * 4.0)) - " |
| "0.017999999999999999);\n break;\n case 1:\n factor = " |
| "half(smoothstep(1.0, 0.0, float(factor)));\n break;\n}\n%s = " |
| "half4(factor);\n", |
| args.fInputColor ? args.fInputColor : "half4(1)", (int)_outer.mode(), |
| args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override {} |
| }; |
| GrGLSLFragmentProcessor* GrBlurredEdgeFragmentProcessor::onCreateGLSLInstance() const { |
| return new GrGLSLBlurredEdgeFragmentProcessor(); |
| } |
| void GrBlurredEdgeFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const { |
| b->add32((int32_t)fMode); |
| } |
| bool GrBlurredEdgeFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrBlurredEdgeFragmentProcessor& that = other.cast<GrBlurredEdgeFragmentProcessor>(); |
| (void)that; |
| if (fMode != that.fMode) return false; |
| return true; |
| } |
| GrBlurredEdgeFragmentProcessor::GrBlurredEdgeFragmentProcessor( |
| const GrBlurredEdgeFragmentProcessor& src) |
| : INHERITED(kGrBlurredEdgeFragmentProcessor_ClassID, src.optimizationFlags()) |
| , fMode(src.fMode) {} |
| std::unique_ptr<GrFragmentProcessor> GrBlurredEdgeFragmentProcessor::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrBlurredEdgeFragmentProcessor(*this)); |
| } |
| #endif |