IFence.h

#pragma once
#include <UnCompute/Backend/IDeviceObject.h>
#include <chrono>
 
namespace UN
{
    enum class FenceState
    {
        Signaled, 
        Reset     
    };
 
    struct FenceDesc
    {
        const char* Name        = nullptr;           
        FenceState InitialState = FenceState::Reset; 
 
        inline FenceDesc() = default;
 
        inline explicit FenceDesc(const char* name, FenceState initialState = FenceState::Reset)
            : Name(name)
            , InitialState(initialState)
        {
        }
    };
 
    class IFence : public IDeviceObject
    {
    public:
        using DescriptorType = FenceDesc;
 
        [[nodiscard]] virtual const DescriptorType& GetDesc() const = 0;
 
        virtual ResultCode Init(const DescriptorType& desc) = 0;
 
        virtual ResultCode SignalOnCpu() = 0;
 
        virtual ResultCode WaitOnCpu(std::chrono::nanoseconds timeout) = 0;
 
        virtual ResultCode WaitOnCpu() = 0;
 
        virtual void ResetState() = 0;
 
        virtual FenceState GetState() = 0;
    };
} // namespace UN