YiAssetBufferObjectData.h

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

#include "asset/YiAssetHardware.h"
#include "utility/YiRtti.h"

class CYIAssetBufferObjectData : public CYIAssetHardware
{
public:
    enum YI_BUFFER_TYPE
    {
        YI_VERTEX_BUFFER,   
        YI_INDEX_BUFFER     
    };

    enum YI_BUFFER_USAGE
    {
        YI_BUFFER_USAGE_STATIC,             
        YI_BUFFER_USAGE_DYNAMIC,            
    };

    CYIAssetBufferObjectData();
    CYIAssetBufferObjectData(const CYIString &path, PATH_TYPE ePathType = PATH_RELATIVE);

    virtual ~CYIAssetBufferObjectData();

    const std::vector<uint8_t> &GetData() const;

    YI_BUFFER_TYPE GetType() const;

    YI_BUFFER_USAGE GetUsage() const;

    void SetData(uint8_t const *pData, uint32_t uNumOfElements, uint32_t uSizeOfElement);

    void Resize(uint32_t uNumOfElements, uint32_t uSizeOfElement);

    void SetData(const std::vector<uint8_t> &rData);

    void SetType(YI_BUFFER_TYPE eType);

    void SetUsage(YI_BUFFER_USAGE eUsage);

    uint32_t GetSizeInBytes() const;

    virtual std::pair<uint32_t, uint32_t> GetApproximateSize() const override;

protected:
    virtual std::shared_ptr<IYIGPUObject> CreateGPUObject() const override;

    virtual void OnUnload() override;

    virtual void ApplyRetainmentPolicy() override;

private:
    CYIAssetBufferObjectData(const CYIAssetBufferObjectData&);
    CYIAssetBufferObjectData& operator=(const CYIAssetBufferObjectData&);

    std::vector<uint8_t> m_data;
    uint32_t m_uSizeInBytes;
    YI_BUFFER_TYPE m_eType;
    YI_BUFFER_USAGE m_eUsage;
    YI_TYPE_BASES(CYIAssetBufferObjectData, CYIAssetHardware)
};

#endif // _YI_ASSET_BUFFER_OBJECT_DATA_H_