What is OpenGL ES?
A. OpenGL. ES is a royalty-free, cross-platform API for full-function 2D and 3D graphics on embedded systems – including handheld devices, appliances and vehicles. It is a well-defined subset of desktop OpenGL, creating a flexible and powerful low-level interface between software and graphics acceleration. OpenGL ES includes Common and Common-Lite profiles for floating-point and fixed-point systems and the specification for portably binding to native windowing systems. OpenGL ES 1.1 emphasizes hardware acceleration of the API, while OpenGL ES 1.0 focuses on enabling software-only implementations. OpenGL ES 1.1 is fully backwards compatible with 1.0 – enabling easy porting of applications between the two versions of the API. For more information about OpenGL ES please go to www.khronos.org.