src/gpu/effects/generated/GrDeviceSpaceEffect.cpp

/*
 * Copyright 2020 Google LLC
 *
 * 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 GrDeviceSpaceEffect.fp; do not modify.
 **************************************************************************************************/
#include "GrDeviceSpaceEffect.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 GrGLSLDeviceSpaceEffect : public GrGLSLFragmentProcessor {
public:
    GrGLSLDeviceSpaceEffect() {}
    void emitCode(EmitArgs& args) override {
        GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
        const GrDeviceSpaceEffect& _outer = args.fFp.cast<GrDeviceSpaceEffect>();
        (void)_outer;
        auto matrix = _outer.matrix;
        (void)matrix;
        matrixVar = args.fUniformHandler->addUniform(&_outer, kFragment_GrShaderFlag,
                                                     kFloat3x3_GrSLType, "matrix");
        fragBuilder->codeAppendf("float3 p = %s * float3(sk_FragCoord.xy, 1);",
                                 args.fUniformHandler->getUniformCStr(matrixVar));
        SkString _input276 = SkStringPrintf("%s", args.fInputColor);
        SkString _sample276;
        SkString _coords276("p.xy / p.z");
        _sample276 =
                this->invokeChild(_outer.fp_index, _input276.c_str(), args, _coords276.c_str());
        fragBuilder->codeAppendf("\n%s = %s;\n", args.fOutputColor, _sample276.c_str());
    }

private:
    void onSetData(const GrGLSLProgramDataManager& pdman,
                   const GrFragmentProcessor& _proc) override {
        const GrDeviceSpaceEffect& _outer = _proc.cast<GrDeviceSpaceEffect>();
        { pdman.setSkMatrix(matrixVar, (_outer.matrix)); }
    }
    UniformHandle matrixVar;
};
GrGLSLFragmentProcessor* GrDeviceSpaceEffect::onCreateGLSLInstance() const {
    return new GrGLSLDeviceSpaceEffect();
}
void GrDeviceSpaceEffect::onGetGLSLProcessorKey(const GrShaderCaps& caps,
                                                GrProcessorKeyBuilder* b) const {}
bool GrDeviceSpaceEffect::onIsEqual(const GrFragmentProcessor& other) const {
    const GrDeviceSpaceEffect& that = other.cast<GrDeviceSpaceEffect>();
    (void)that;
    if (matrix != that.matrix) return false;
    return true;
}
GrDeviceSpaceEffect::GrDeviceSpaceEffect(const GrDeviceSpaceEffect& src)
        : INHERITED(kGrDeviceSpaceEffect_ClassID, src.optimizationFlags()), matrix(src.matrix) {
    {
        auto fp_clone = src.childProcessor(src.fp_index).clone();
        if (src.childProcessor(src.fp_index).isSampledWithExplicitCoords()) {
            fp_clone->setSampledWithExplicitCoords();
        }
        fp_index = this->registerChildProcessor(std::move(fp_clone));
    }
}
std::unique_ptr<GrFragmentProcessor> GrDeviceSpaceEffect::clone() const {
    return std::unique_ptr<GrFragmentProcessor>(new GrDeviceSpaceEffect(*this));
}
GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrDeviceSpaceEffect);
#if GR_TEST_UTILS
std::unique_ptr<GrFragmentProcessor> GrDeviceSpaceEffect::TestCreate(GrProcessorTestData* d) {
    std::unique_ptr<GrFragmentProcessor> fp;
    // We have a restriction that explicit coords only work for FPs with zero or one
    // coord transform.
    do {
        fp = GrProcessorUnitTest::MakeChildFP(d);
    } while (fp->numCoordTransforms() > 1);
    return GrDeviceSpaceEffect::Make(std::move(fp));
}
#endif