텍스쳐 반투명, 알파값 없는 이미지

 m_pDev->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE); 
 m_pDev->SetRenderState(D3DRS_TEXTUREFACTOR, D3DCOLOR_ARGB(255,255,255,255));

 m_pDev->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE ); 
 m_pDev->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TFACTOR ); 
 m_pDev->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_TEXTURE ); 
 m_pDev->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA ); 
 m_pDev->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );