YiGPUObject.h

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// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_GPU_OBJECT_H_
#define _YI_GPU_OBJECT_H_

#include "framework/YiPredef.h" 
#include "signal/YiSignal.h"
#include "signal/YiSignalHandler.h"
#include "asset/YiAssetHardware.h"

class IYIGPUObject
{
public:
    enum YI_GPU_OBJECT_STATUS
    {
        INVALID,        
        UNLOADED,       
        LOADED_FRESH,   
        LOADED_STALE,   
    };

    inline IYIGPUObject();

    inline virtual ~IYIGPUObject();

    virtual void Load(const std::shared_ptr<CYIAssetHardware> &pHWAsset) = 0;

    virtual void Unload() = 0;

    inline YI_GPU_OBJECT_STATUS GetStatus() const;

    virtual void Use() const = 0;

    virtual void Generate() = 0;

    virtual void Free() = 0;

    virtual void InvalidateHandle() = 0;

protected:
    YI_GPU_OBJECT_STATUS m_status;
};

inline IYIGPUObject::IYIGPUObject() : m_status(INVALID)
{
}

inline IYIGPUObject::~IYIGPUObject()
{
}

inline IYIGPUObject::YI_GPU_OBJECT_STATUS IYIGPUObject::GetStatus() const
{
    return m_status;
}

#endif // _YI_GPU_OBJECT_H_