The Khronos Group has released the OpenGL ES 3.1 specification, bringing functionality enhancements to the industry-leading, royalty-free 3D graphics API [application programming interface] that is used on nearly all of the world’s mobile devices.
OpenGL ES 3.1 provides access to graphics processing unit (GPU) functionality with portability across diverse mobile and embedded operating systems and platforms. The full specification and reference materials are available for immediate download at http://www.khronos.org/registry/gles/.