extern void
_mesa_set_depth_range(struct gl_context *ctx, unsigned idx,
GLclampd nearval, GLclampd farval);
extern void
_mesa_set_depth_range(struct gl_context *ctx, unsigned idx,
GLclampd nearval, GLclampd farval);
extern void GLAPIENTRY
_mesa_ClipControl(GLenum origin, GLenum depth);
extern void
_mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,
extern void GLAPIENTRY
_mesa_ClipControl(GLenum origin, GLenum depth);
extern void
_mesa_get_viewport_xform(struct gl_context *ctx, unsigned i,