RenderTexture GetPostTexture(Texture source) { int id = source.GetInstanceID(); if (mPostTexture != null && id != mPostTexId) { ReleasePostTexture(); } if (mPostTexture == null) { mPostTexId = id; mPostTexture = RenderTexture.GetTemporary(source.width, source.height); GraphicHelper.Blur(source, mPostTexture, m_BlurStep, m_BlurIters); } return(mPostTexture); }