Definition
WebGL EXT_texture_compression_rgtc Extension Specification defines EXT_texture_compression_rgtc
[Exposed=(Window,Worker), LegacyNoInterfaceObject]
interface EXT_texture_compression_rgtc {
const GLenum COMPRESSED_RED_RGTC1_EXT = 0x8DBB;
const GLenum COMPRESSED_SIGNED_RED_RGTC1_EXT = 0x8DBC;
const GLenum COMPRESSED_RED_GREEN_RGTC2_EXT = 0x8DBD;
const GLenum COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT = 0x8DBE;
};