Module apis
gls
Set the active program object for a program pipeline object.
Select active texture unit.
Attaches a shader object to a program object.
Associates a generic vertex attribute index with a named attribute variable.
Bind a named buffer object.
Specify pixel arithmetic for RGB and alpha components separately.
Creates and initializes a buffer object's data store.
Return a parameter from a shader object.
Replaces the source code in a shader object.
Specify a two-dimensional texture subimage.