struct SShaderItem {
  IShader * m_pShader;
  IRenderShaderResources * m_pShaderResources;
  int32 m_nTechnique;
  uint32 m_nPreprocessFlags;
};

IShader.h

uint32 m_nPreprocessFlags;

int32 m_nTechnique;

IShader * m_pShader;

IRenderShaderResources * m_pShaderResources;

void GetMemoryUsage(ICrySizer * pSizer) const;

inline struct SShaderTechnique * GetTechnique() const;

bool IsMergable(SShaderItem& PrevSI);

inline bool IsZWrite() const;

If you change this function please check bTransparent variable in CRenderMesh::Render().

CRenderMesh::Render()

uint32 PostLoad();

SShaderItem();

SShaderItem(IShader * pSH);

SShaderItem(IShader * pSH, IRenderShaderResources * pRS);

SShaderItem(IShader * pSH, IRenderShaderResources * pRS, int nTechnique);

bool Update();