Method addImageAsync

core/renderer/TextureCache.cpp:135–138

The addImageAsync logic follow the steps: - find the image has been add or not, if not add an AsyncStruct to _requestQueue (GL thread) - get AsyncStruct from _requestQueue, load res and fill image data to AsyncStruct.image, then add AsyncStruct to _responseQueue (Load thread) - on schedule callback, get AsyncStruct from _responseQueue, convert image to texture, then delete AsyncStruct (GL th

 texture is loaded.
 */
void TextureCache::addImageAsync(std::string_view path, const std::function<void(Texture2D*)>& callback)
{
    addImageAsync(path, callback, path);
}

/**
 The addImageAsync logic follow the steps: