src/dawn/native/SharedFence.h

// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_SHAREDFENCE_H_
#define SRC_DAWN_NATIVE_SHAREDFENCE_H_

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

namespace dawn::native {

struct SharedFenceDescriptor;
struct SharedFenceExportInfo;

class SharedFenceBase : public ApiObjectBase {
  public:
    static Ref<SharedFenceBase> MakeError(DeviceBase* device,
                                          const SharedFenceDescriptor* descriptor);

    ObjectType GetType() const override;

    void APIExportInfo(SharedFenceExportInfo* info) const;

    MaybeError ExportInfo(SharedFenceExportInfo* info) const;

  protected:
    SharedFenceBase(DeviceBase* device, const char* label);
    SharedFenceBase(DeviceBase* device,
                    const SharedFenceDescriptor* descriptor,
                    ObjectBase::ErrorTag tag);

  private:
    void DestroyImpl() override;
    virtual MaybeError ExportInfoImpl(UnpackedPtr<SharedFenceExportInfo>& info) const = 0;
};

struct FenceAndSignalValue {
    Ref<SharedFenceBase> object;
    uint64_t signaledValue;
};

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_SHAREDFENCE_H_