WEBGL_compressed_texture_etc1 WebGL extension

The WEBGL_compressed_texture_etc1 extension for WebGL 1.0 and 2.0 contexts adds the ETC1 compressed texture format to compressedTexImage2D() and compressedTexSubImage2D().

Baseline Status: Achieved Widely Available on Sep 24, 2022 (Cross-browser Newly Available since Mar 24, 2020).

Desktop Browser Engine Support

Google Chrome

49

Supported

Mozilla Firefox

55

Supported

Apple Safari

13.1

Supported

Microsoft Edge

79

Supported

Mobile Browser Engine Support

Chrome Android

49

Firefox Android

30

Safari iOS

13.4

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.WEBGL_compressed_texture_etc1 ↗