chromium/third_party/skia/src/gpu/ganesh/effects/GrConvexPolyEffect.cpp

/*
 * Copyright 2014 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "src/gpu/ganesh/effects/GrConvexPolyEffect.h"

#include "include/core/SkPath.h"
#include "include/core/SkPoint.h"
#include "include/core/SkString.h"
#include "include/private/SkColorData.h"
#include "include/private/base/SkAssert.h"
#include "include/private/base/SkFloatingPoint.h"
#include "include/private/gpu/ganesh/GrTypesPriv.h"
#include "src/base/SkRandom.h"
#include "src/core/SkPathEnums.h"
#include "src/core/SkPathPriv.h"
#include "src/core/SkSLTypeShared.h"
#include "src/gpu/KeyBuilder.h"
#include "src/gpu/ganesh/glsl/GrGLSLFragmentShaderBuilder.h"
#include "src/gpu/ganesh/glsl/GrGLSLProgramDataManager.h"
#include "src/gpu/ganesh/glsl/GrGLSLUniformHandler.h"

#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <tuple>

struct GrShaderCaps;

//////////////////////////////////////////////////////////////////////////////

GrFPResult GrConvexPolyEffect::Make(std::unique_ptr<GrFragmentProcessor> inputFP,
                                    GrClipEdgeType type, const SkPath& path) { … }

GrConvexPolyEffect::~GrConvexPolyEffect() { … }

void GrConvexPolyEffect::onAddToKey(const GrShaderCaps& caps, skgpu::KeyBuilder* b) const { … }

std::unique_ptr<GrFragmentProcessor::ProgramImpl> GrConvexPolyEffect::onMakeProgramImpl() const { … }

GrConvexPolyEffect::GrConvexPolyEffect(std::unique_ptr<GrFragmentProcessor> inputFP,
                                       GrClipEdgeType edgeType,
                                       int n,
                                       const float edges[])
        : … { … }

GrConvexPolyEffect::GrConvexPolyEffect(const GrConvexPolyEffect& that)
        : … { … }

std::unique_ptr<GrFragmentProcessor> GrConvexPolyEffect::clone() const { … }

bool GrConvexPolyEffect::onIsEqual(const GrFragmentProcessor& other) const { … }

//////////////////////////////////////////////////////////////////////////////

GR_DEFINE_FRAGMENT_PROCESSOR_TEST(…)

#if defined(GPU_TEST_UTILS)
std::unique_ptr<GrFragmentProcessor> GrConvexPolyEffect::TestCreate(GrProcessorTestData* d) {
    int count = d->fRandom->nextULessThan(kMaxEdges) + 1;
    SkScalar edges[kMaxEdges * 3];
    for (int i = 0; i < 3 * count; ++i) {
        edges[i] = d->fRandom->nextSScalar1();
    }

    bool success;
    std::unique_ptr<GrFragmentProcessor> fp = d->inputFP();
    do {
        GrClipEdgeType edgeType =
                static_cast<GrClipEdgeType>(d->fRandom->nextULessThan(kGrClipEdgeTypeCnt));
        std::tie(success, fp) = GrConvexPolyEffect::Make(std::move(fp), edgeType, count, edges);
    } while (!success);
    return fp;
}
#endif