struct STexSamplerFX {
  string m_szName;
  string m_szTexture;
  union {
    struct SHRenderTarget * m_pTarget;
    IRenderTarget * m_pITarget;
  };
  int16 m_nTexState;
  byte m_eTexType;
  byte m_nSlotId;
  uint32 m_nTexFlags;
};

IShader.h

FX shader texture sampler (description)

byte m_eTexType;

ETEX_Type e.g. eTT_2D or eTT_Cube

byte m_nSlotId;

EFTT_ index if it references one of the material texture slots, EFTT_MAX otherwise

uint32 m_nTexFlags;

int16 m_nTexState;

string m_szName;

string m_szTexture;

_inline friend bool operator !=(const STexSamplerFX & m1, const STexSamplerFX & m2);

~STexSamplerFX();

NO_INLINE STexSamplerFX& operator =(const STexSamplerFX& src);

_inline bool operator ==(const STexSamplerFX & m1);

bool Export(SShaderSerializeContext& SC);

void GetMemoryUsage(ICrySizer * pSizer) const;

uint32 GetTexFlags();

bool Import(SShaderSerializeContext& SC, SSTexSamplerFX * pTS);

void PostLoad();

int Size();

STexSamplerFX();

NO_INLINE STexSamplerFX(const STexSamplerFX& src);

void Update();