chromium/third_party/skia/src/sksl/ir/SkSLSwizzle.cpp

/*
 * Copyright 2021 Google LLC
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "src/sksl/ir/SkSLSwizzle.h"

#include "include/core/SkSpan.h"
#include "include/private/base/SkTArray.h"
#include "src/sksl/SkSLAnalysis.h"
#include "src/sksl/SkSLConstantFolder.h"
#include "src/sksl/SkSLContext.h"
#include "src/sksl/SkSLDefines.h"
#include "src/sksl/SkSLErrorReporter.h"
#include "src/sksl/SkSLOperator.h"
#include "src/sksl/SkSLString.h"
#include "src/sksl/ir/SkSLConstructorCompound.h"
#include "src/sksl/ir/SkSLConstructorCompoundCast.h"
#include "src/sksl/ir/SkSLConstructorScalarCast.h"
#include "src/sksl/ir/SkSLConstructorSplat.h"
#include "src/sksl/ir/SkSLLiteral.h"

#include <algorithm>
#include <cstdint>
#include <cstring>
#include <optional>

usingnamespaceskia_private;

namespace SkSL {

static bool validate_swizzle_domain(const ComponentArray& fields) { … }

static char mask_char(int8_t component) { … }

std::string Swizzle::MaskString(const ComponentArray& components) { … }

static std::unique_ptr<Expression> optimize_constructor_swizzle(const Context& context,
                                                                Position pos,
                                                                const ConstructorCompound& base,
                                                                ComponentArray components) { … }

std::unique_ptr<Expression> Swizzle::Convert(const Context& context,
                                             Position pos,
                                             Position maskPos,
                                             std::unique_ptr<Expression> base,
                                             std::string_view componentString) { … }

bool Swizzle::IsIdentity(const ComponentArray& components) { … }

std::unique_ptr<Expression> Swizzle::Make(const Context& context,
                                          Position pos,
                                          std::unique_ptr<Expression> expr,
                                          ComponentArray components) { … }

std::unique_ptr<Expression> Swizzle::MakeExact(const Context& context,
                                               Position pos,
                                               std::unique_ptr<Expression> expr,
                                               ComponentArray components) { … }

std::string Swizzle::description(OperatorPrecedence) const { … }

}  // namespace SkSL