src/tint/ast/sampler.cc

// Copyright 2020 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/ast/sampler.h"

#include "src/tint/program_builder.h"

TINT_INSTANTIATE_TYPEINFO(tint::ast::Sampler);

namespace tint::ast {

std::ostream& operator<<(std::ostream& out, SamplerKind kind) {
    switch (kind) {
        case SamplerKind::kSampler:
            out << "sampler";
            break;
        case SamplerKind::kComparisonSampler:
            out << "comparison_sampler";
            break;
    }
    return out;
}

Sampler::Sampler(ProgramID pid, NodeID nid, const Source& src, SamplerKind k)
    : Base(pid, nid, src), kind(k) {}

Sampler::Sampler(Sampler&&) = default;

Sampler::~Sampler() = default;

std::string Sampler::FriendlyName(const SymbolTable&) const {
    return kind == SamplerKind::kSampler ? "sampler" : "sampler_comparison";
}

const Sampler* Sampler::Clone(CloneContext* ctx) const {
    auto src = ctx->Clone(source);
    return ctx->dst->create<Sampler>(src, kind);
}

}  // namespace tint::ast