Facebook, Inc.

Meta Platforms Technologies, LLC

Ognjen Dragoljevic

Tyrone Nicholas

A computer-implemented method, including receiving, through an editor for designing augmented-reality effects, a plurality of shader programs each for an augmented-reality to be rendered for an augmented-reality effect; compiling each of the shader programs of augmented-reality object separately into corresponding shader modules; generate a merged shader module based on the shader modules; analyzing, according to one or more criteria, the merged shader module to identify fragment-shader instructions and vertex-shader instructions; splitting the merged shader module into a single fragment-shader module comprising the identified fragment-shader instructions and a single vertex-shader module comprising the identified vertex-shader instructions; and providing the single fragment-shader module and the single vertex-shader module to a graphics processing unit (GPU) to render the augmented-reality objects.

Augmented reality shader programs

An object manager can manage memory in a mobile device to provide more effective use of resources and a better user experience. The object manager can store objects in different types of memory (e.g., ashmem or native memory) instead of the JAVA heap. When storing data objects in different types of memory, the system can use reference counting to manage objects. The object manager can also coordinate retrieval and display of images to further improve a user experience by progressively displaying images or asynchronously retrieving images from a network. The object manager can, for example, display a low resolution image first while a second higher resolution image is retrieved from a network and that image is progressively displayed. Also, the object manager can retrieve objects from local memory, a cache, or the network sequentially or in parallel.

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London, United Kingdom

Ognjen Dragoljevic