OpenGL ES 3.1 Specification feedback thread
New version of the royalty-free 3D graphics API used on virtually all smartphones and tablets adds advanced 3D features and integrated GPU computing
March 17, 2014 – San Francisco, Game Developer’s Conference – The Khronos™ Group today announced the immediate release of the OpenGL® ES 3.1 specification, bringing significant functionality enhancements to the industry-leading, royalty-free 3D graphics API that is used on nearly all of the world’s mobile devices. OpenGL ES 3.1 provides access to state-of-the-art 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/.
Key features of the OpenGL ES 3.1 specification include:
- Compute shaders – applications can use the GPU to perform general computing tasks, tightly coupled with graphics rendering. Compute shaders are written in the GLSL ES shading language, and can share data with the graphics pipeline;
- Separate shader objects – applications can program the vertex and fragment shader stages of the GPU independently, and can mix and match vertex and fragment programs without an explicit linking step;
- Indirect draw commands – the GPU can be instructed to take draw commands from its memory rather than waiting for commands from the CPU. For example, this allows a compute shader running on the GPU to perform a physics simulation and then generate the draw commands needed to display the results, without CPU intervention;
- Enhanced texturing functionality – including multisample textures, stencil textures, and texture gather;
- Shading language improvements – new arithmetic and bitfield operations, and features to enable modern styles of shader programming;
- Optional extensions – per-sample shading, advanced blending modes, and more;
- Backward compatibility with OpenGL ES 2.0 and 3.0 – programmers can add ES 3.1 functionality incrementally to working ES 2.0 and 3.0 applications.
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