Posted by elect on Dec 18, 2014; 8:13am
URL: https://forum.jogamp.org/Texture-compression-tp4032185p4033779.html

Found!

  public static final int GL_COMPRESSED_SRGB_S3TC_DXT1_NV = 0x8C4C;
  /** Part of <code>GL_NV_sRGB_formats</code> */
  public static final int GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_NV = 0x8C4D;
  /** Part of <code>GL_NV_sRGB_formats</code> */
  public static final int GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_NV = 0x8C4E;
  /** Part of <code>GL_NV_sRGB_formats</code> */
  public static final int GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_NV = 0x8C4F;

in GLES2