// Copyright 2019 The Dawn & Tint Authors
//
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#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_