EXT_texture_compression_rgtc WebGL extension
Limited availability
The EXT_texture_compression_rgtc extension for WebGL 1.0 and 2.0 contexts adds RGTC compressed texture formats. RGTC is a block-based texture compression format suited for unsigned and signed red and red-green textures. Also known as Red-Green Texture Compression.
Learning resources on MDN
Browser support
- Chrome 93 Released on 2021-08-31
- Chrome Android 83 Released on 2020-05-19
- Edge 93 Released on 2021-09-02
- Firefox ❌
- Firefox for Android ❌
- Safari 14.1 Released on 2021-04-26
- Safari on iOS ❌
Specifications
- WebGL EXT_texture_compression_rgtc Extension Specification, from WebGL Working Group (Khronos Group).