1 /*
2 * Copyright 2017 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 /**************************************************************************************************
9 *** This file was autogenerated from GrBlurredEdgeFragmentProcessor.fp; do not modify.
10 **************************************************************************************************/
11 #include "GrBlurredEdgeFragmentProcessor.h"
12
13 #include "include/gpu/GrTexture.h"
14 #include "src/gpu/glsl/GrGLSLFragmentProcessor.h"
15 #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h"
16 #include "src/gpu/glsl/GrGLSLProgramBuilder.h"
17 #include "src/sksl/SkSLCPP.h"
18 #include "src/sksl/SkSLUtil.h"
19 class GrGLSLBlurredEdgeFragmentProcessor : public GrGLSLFragmentProcessor {
20 public:
GrGLSLBlurredEdgeFragmentProcessor()21 GrGLSLBlurredEdgeFragmentProcessor() {}
emitCode(EmitArgs & args)22 void emitCode(EmitArgs& args) override {
23 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
24 const GrBlurredEdgeFragmentProcessor& _outer =
25 args.fFp.cast<GrBlurredEdgeFragmentProcessor>();
26 (void)_outer;
27 auto mode = _outer.mode;
28 (void)mode;
29 fragBuilder->codeAppendf(
30 "half factor = 1.0 - %s.w;\n@switch (%d) {\n case 0:\n factor = "
31 "exp((-factor * factor) * 4.0) - 0.017999999225139618;\n break;\n case "
32 "1:\n factor = smoothstep(1.0, 0.0, factor);\n break;\n}\n%s = "
33 "half4(factor);\n",
34 args.fInputColor, (int)_outer.mode, args.fOutputColor);
35 }
36
37 private:
onSetData(const GrGLSLProgramDataManager & pdman,const GrFragmentProcessor & _proc)38 void onSetData(const GrGLSLProgramDataManager& pdman,
39 const GrFragmentProcessor& _proc) override {}
40 };
onCreateGLSLInstance() const41 GrGLSLFragmentProcessor* GrBlurredEdgeFragmentProcessor::onCreateGLSLInstance() const {
42 return new GrGLSLBlurredEdgeFragmentProcessor();
43 }
onGetGLSLProcessorKey(const GrShaderCaps & caps,GrProcessorKeyBuilder * b) const44 void GrBlurredEdgeFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps,
45 GrProcessorKeyBuilder* b) const {
46 b->add32((int32_t)mode);
47 }
onIsEqual(const GrFragmentProcessor & other) const48 bool GrBlurredEdgeFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const {
49 const GrBlurredEdgeFragmentProcessor& that = other.cast<GrBlurredEdgeFragmentProcessor>();
50 (void)that;
51 if (mode != that.mode) return false;
52 return true;
53 }
GrBlurredEdgeFragmentProcessor(const GrBlurredEdgeFragmentProcessor & src)54 GrBlurredEdgeFragmentProcessor::GrBlurredEdgeFragmentProcessor(
55 const GrBlurredEdgeFragmentProcessor& src)
56 : INHERITED(kGrBlurredEdgeFragmentProcessor_ClassID, src.optimizationFlags())
57 , mode(src.mode) {}
clone() const58 std::unique_ptr<GrFragmentProcessor> GrBlurredEdgeFragmentProcessor::clone() const {
59 return std::unique_ptr<GrFragmentProcessor>(new GrBlurredEdgeFragmentProcessor(*this));
60 }
61