src/tint/lang/wgsl/ast/interpolate_attribute.cc

// Copyright 2021 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "src/tint/lang/wgsl/ast/interpolate_attribute.h"

#include <string>

#include "src/tint/lang/wgsl/program/program_builder.h"

TINT_INSTANTIATE_TYPEINFO(tint::ast::InterpolateAttribute);

namespace tint::ast {

InterpolateAttribute::InterpolateAttribute(GenerationID pid,
                                           NodeID nid,
                                           const Source& src,
                                           const Expression* ty,
                                           const Expression* smpl)
    : Base(pid, nid, src), type(ty), sampling(smpl) {}

InterpolateAttribute::~InterpolateAttribute() = default;

std::string InterpolateAttribute::Name() const {
    return "interpolate";
}

const InterpolateAttribute* InterpolateAttribute::Clone(CloneContext* ctx) const {
    // Clone arguments outside of create() call to have deterministic ordering
    auto src = ctx->Clone(source);
    auto* ty = ctx->Clone(type);
    auto* smpl = ctx->Clone(sampling);
    return ctx->dst->create<InterpolateAttribute>(src, ty, smpl);
}

}  // namespace tint::ast