WebGL

Khronos

WebGL Extension Registry

Overview

The WebGL extension registry contains specifications for extensions to the core WebGL API. Most of these extensions are incorporated directly from the OpenGL ES or OpenGL extension registries, and refer to those extensions for their behavioral definition. Because WebGL extensions are specified as Web IDL interfaces, each specification also includes the IDL to which each implementation will comply.

An extension template is available for the submission of new proposed extensions. New extension proposals should be emailed to the public WebGL mailing list. When writing a new extension specification, it is recommended to check out the public WebGL repository. See the WebGL wiki page Using Github to contribute. The extension registry files are located under extensions/.

Each extension object is fetched from the WebGLRenderingContextBase by passing the name of the extension to the getExtension method, i.e.: context.getExtension("OES_texture_float").

Extensions which are marked as promoted to core or removed in a certain version of the WebGL API must not be supported in an implementation of that or newer version of the WebGL API.

Naming conventions

WebGL API extensions may derive from many sources, and the naming of each extension reflects its origin and intent.

Extension Development Process

Extensions move through four states during their development: proposed, draft, community approved, and Khronos ratified. Every extension should advance to Khronos ratified. If an extension cannot advance through the extension process it can be rejected.

Khronos ratified WebGL Extensions

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      Community approved WebGL Extensions

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          Draft WebGL Extensions

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              Proposed WebGL Extensions (do not implement!)

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                Rejected WebGL Extensions

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                  Recent WebGL Extension Revisions

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