* Introduces builtin variables gl_SecondaryFragColorEXT and gl_SecondaryFragDataEXT * Introduces builtin constant gl_MaxDualSourceDrawBuffersEXT * enables support for layout qualifier "index" in es profile
* Introduces builtin variables gl_SecondaryFragColorEXT and gl_SecondaryFragDataEXT * Introduces builtin constant gl_MaxDualSourceDrawBuffersEXT * enables support for layout qualifier "index" in es profile