extern cvar_t gl_texturecompression_sky;
extern cvar_t gl_texturecompression_lightcubemaps;
extern cvar_t gl_texturecompression_reflectmask;
extern cvar_t gl_texturecompression_sky;
extern cvar_t gl_texturecompression_lightcubemaps;
extern cvar_t gl_texturecompression_reflectmask;