1/*
2 * Copyright 2018 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 GrUnpremulInputFragmentProcessor.fp; do not modify.
10 **************************************************************************************************/
11#include "GrUnpremulInputFragmentProcessor.h"
12#if SK_SUPPORT_GPU
13#include "glsl/GrGLSLFragmentProcessor.h"
14#include "glsl/GrGLSLFragmentShaderBuilder.h"
15#include "glsl/GrGLSLProgramBuilder.h"
16#include "GrTexture.h"
17#include "SkSLCPP.h"
18#include "SkSLUtil.h"
19class GrGLSLUnpremulInputFragmentProcessor : public GrGLSLFragmentProcessor {
20public:
21    GrGLSLUnpremulInputFragmentProcessor() {}
22    void emitCode(EmitArgs& args) override {
23        GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
24        const GrUnpremulInputFragmentProcessor& _outer =
25                args.fFp.cast<GrUnpremulInputFragmentProcessor>();
26        (void)_outer;
27        fragBuilder->codeAppendf(
28                "%s = %s;\nhalf invAlpha = %s.w <= 0.0 ? 0.0 : 1.0 / %s.w;\n%s.xyz *= invAlpha;\n",
29                args.fOutputColor, args.fInputColor ? args.fInputColor : "half4(1)",
30                args.fInputColor ? args.fInputColor : "half4(1)",
31                args.fInputColor ? args.fInputColor : "half4(1)", args.fOutputColor);
32    }
33
34private:
35    void onSetData(const GrGLSLProgramDataManager& pdman,
36                   const GrFragmentProcessor& _proc) override {}
37};
38GrGLSLFragmentProcessor* GrUnpremulInputFragmentProcessor::onCreateGLSLInstance() const {
39    return new GrGLSLUnpremulInputFragmentProcessor();
40}
41void GrUnpremulInputFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps,
42                                                             GrProcessorKeyBuilder* b) const {}
43bool GrUnpremulInputFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const {
44    const GrUnpremulInputFragmentProcessor& that = other.cast<GrUnpremulInputFragmentProcessor>();
45    (void)that;
46    return true;
47}
48GrUnpremulInputFragmentProcessor::GrUnpremulInputFragmentProcessor(
49        const GrUnpremulInputFragmentProcessor& src)
50        : INHERITED(kGrUnpremulInputFragmentProcessor_ClassID, src.optimizationFlags()) {}
51std::unique_ptr<GrFragmentProcessor> GrUnpremulInputFragmentProcessor::clone() const {
52    return std::unique_ptr<GrFragmentProcessor>(new GrUnpremulInputFragmentProcessor(*this));
53}
54#endif
55