struct SRenderObjData {
  union {
    SLockFreeSingleLinkedListEntry m_LinkedListEntry;
    void * m_pInstance;
  };
  CRendElementBase * m_pRE;
  SSkinningData * m_pSkinningData;
  TArray m_Constants;
  float m_fTempVars[10];
  const DynArray<SShaderParam> * m_pShaderParams;
  uint16 m_nLightID[RT_COMMAND_BUF_COUNT];
  uint32 m_nVisionParams;
  uint32 m_nHUDSilhouetteParams;
  uint32 m_pLayerEffectParams;
  uint64 m_nSubObjHideMask;
  uint64 m_ShadowCasters;
  union {
    SBending* m_pBending;
    const struct ParticleParams* m_pParticleParams;
  };
  uint16 m_FogVolumeContribIdx[2];
  uint16 m_scissorX;
  uint16 m_scissorY;
  uint16 m_scissorWidth;
  uint16 m_scissorHeight;
  uint16 m_LightVolumeId[2];
  uint8 m_screenBounds[4];
  uint16 m_nCustomFlags;
  uint8 m_nCustomData;
  uint8 m_nObjID;
  uint8 m_nVisionScale;
};

IShader.h

TArray m_Constants;

uint16 m_FogVolumeContribIdx[2];

float m_fTempVars[10];

Different useful vars (ObjVal component in shaders)

uint16 m_LightVolumeId[2];

uint8 m_nCustomData;

uint16 m_nCustomFlags;

uint32 m_nHUDSilhouetteParams;

uint16 m_nLightID[RT_COMMAND_BUF_COUNT];

uint8 m_nObjID;

uint64 m_nSubObjHideMask;

uint32 m_nVisionParams;

uint8 m_nVisionScale;

uint32 m_pLayerEffectParams;

only used for layer effects

CRendElementBase * m_pRE;

const DynArray<SShaderParam> * m_pShaderParams;

using a pointer, the client code has to ensure that the data stays valid

SSkinningData * m_pSkinningData;

uint16 m_scissorHeight;

uint16 m_scissorWidth;

uint16 m_scissorX;

uint16 m_scissorY;

uint8 m_screenBounds[4];

uint64 m_ShadowCasters;

Mask of shadow casters.

void GetMemoryUsage(ICrySizer * pSizer) const;

void Init();

void SetShaderParams(const DynArray<SShaderParam> * pShaderParams);

SRenderObjData();