// Copyright (c) 2023 LunarG Inc.

//

// 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.

#pragma once

#include <cstdio>

#include <memory>

#include <queue>

#include <unordered_map>

#include <unordered_set>

#include <vector>

#include "source/opt/pass.h"

namespace spvtools {

namespace opt {

// See optimizer.hpp for documentation.

class SwitchDescriptorSetPass : public Pass {

 public:

  SwitchDescriptorSetPass(uint32_t ds_from, uint32_t ds_to)

      : ds_from_(ds_from), ds_to_(ds_to) {}

  const char* name() const override { return "switch-descriptorset"; }

  Status Process() override;

  IRContext::Analysis GetPreservedAnalyses() override {

    // this pass preserves everything except decorations

    uint32_t mask = ((IRContext::kAnalysisEnd << 1) - 1);

    mask &= ~static_cast<uint32_t>(IRContext::kAnalysisDecorations);

    return static_cast<IRContext::Analysis>(mask);

  }

 private:

  uint32_t ds_from_;

  uint32_t ds_to_;

};

}  // namespace opt

}  // namespace spvtools