// Copyright 2025 DeepMind Technologies Limited
//
// 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 "experimental/filament/filament/buffer_util.h"

#include <cstddef>

#include <backend/BufferDescriptor.h>

namespace mujoco {

filament::backend::BufferDescriptor CreateBufferDescriptor(
    std::size_t num_bytes, const FillBufferFn& fill) {
  std::byte* bytes = new std::byte[num_bytes];
  fill(bytes, num_bytes);
  const auto callback = [](void* buffer, size_t size, void* user) {
    auto* ptr = reinterpret_cast<std::byte*>(user);
    delete[] ptr;
  };
  return filament::backend::BufferDescriptor(bytes, num_bytes, callback, bytes);
}

}  // namespace mujoco
