// Copyright 2019 The Dawn 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.

#ifndef SRC_DAWN_NATIVE_RESOURCEHEAPALLOCATOR_H_
#define SRC_DAWN_NATIVE_RESOURCEHEAPALLOCATOR_H_

#include <memory>

#include "dawn/native/Error.h"
#include "dawn/native/ResourceHeap.h"

namespace dawn::native {

// Interface for backend allocators that create memory heaps resoruces can be suballocated in.
class ResourceHeapAllocator {
  public:
    virtual ~ResourceHeapAllocator() = default;

    virtual ResultOrError<std::unique_ptr<ResourceHeapBase>> AllocateResourceHeap(
        uint64_t size) = 0;
    virtual void DeallocateResourceHeap(std::unique_ptr<ResourceHeapBase> allocation) = 0;
};

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_RESOURCEHEAPALLOCATOR_H_