dawn-cmake/fuzzers/tint_all_transforms_fuzzer.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 "fuzzers/tint_common_fuzzer.h"

namespace tint {
namespace fuzzers {

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  struct Config {
    uint32_t group;
    uint32_t binding;
  };
  if (size < sizeof(Config)) {
    return 0;
  }
  auto* config = reinterpret_cast<const Config*>(data);
  data += sizeof(Config);
  size -= sizeof(Config);

  tint::transform::Manager transform_manager;
  tint::transform::DataMap transform_inputs;

  transform_inputs.Add<tint::transform::FirstIndexOffset::BindingPoint>(
      config->binding, config->group);
  transform_manager.Add<tint::transform::BoundArrayAccessors>();
  transform_manager.Add<tint::transform::EmitVertexPointSize>();
  transform_manager.Add<tint::transform::FirstIndexOffset>();

  tint::fuzzers::CommonFuzzer fuzzer(InputFormat::kWGSL, OutputFormat::kSpv);
  fuzzer.SetTransformManager(&transform_manager, std::move(transform_inputs));

  return fuzzer.Run(data, size);
}

}  // namespace fuzzers
}  // namespace tint