YiAssetFramebuffer.h

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

#include "asset/YiAssetHardware.h"
#include "asset/YiAssetTextureFramebuffer.h"

class CYIAssetFramebuffer : public CYIAssetHardware
{
public:
    enum YI_ATTACHMENT
    {
        YI_COLOR_ATTACHMENT0 = 0,
        YI_DEPTHSTENCIL_ATTACHMENT = 1
    };

    CYIAssetFramebuffer();
    virtual ~CYIAssetFramebuffer();

    void EnableAttachment(YI_ATTACHMENT eAttachment);

    void DisableAttachment(YI_ATTACHMENT eAttachment);

    bool HasAttachment(YI_ATTACHMENT eAttachment) const;

    void SetDimensions(uint32_t uWidth, uint32_t uHeight);

    void GetDimensions(uint32_t &rWidth, uint32_t &rHeight) const;

    std::shared_ptr<CYIAssetTextureFramebuffer> GetAttachedTexture(YI_ATTACHMENT eAttachment) const;

    virtual bool RequestInvalidate() override;
    virtual bool RequestRestore() override;
    virtual bool RequestHardwareLoad() override;
    virtual bool RequestHardwareUnload() override;

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

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

    static const uint32_t s_uAttachmentTypes = 2;
    std::shared_ptr<CYIAssetTextureFramebuffer> m_pAttachedTextures[s_uAttachmentTypes]; //Corresponds to the attachments
    bool m_bufferEnabled[s_uAttachmentTypes];
    uint32_t m_uWidth;
    uint32_t m_uHeight;

private:
    YI_TYPE_BASES(CYIAssetFramebuffer, CYIAssetHardware)
};

#endif // _YI_ASSET_FRAMEBUFFER_H_