+ // Load Texture if mTextures is empty.
+ // mTextures is already set, the mTexture can be used to create Renderer.
+ // There are two cases mTextures is empty.
+ // 1. mTextureId == TextureManager::INVALID_TEXTURE_ID
+ // - Visual is on stage with LoadPolicy::ATTACHED
+ // 2. mTextureId != TextureManager::INVALID_TEXTURE_ID
+ // - If ReleasePolicy is DESTROYED, InitializeRenderer called every on stage called.
+ // - Then every resources those contained in Visual are Reset but mTextureId is remained when the Off stage time,
+ // - So, mTextures needed to be get from texture manager to created resources like mImpl->mRenderer.
+ if( ! mTextures )