/**
* Part of GL_NV_vertex_array_range
.
*
* Provides platform-independent access to the wglAllocateMemoryNV
/
* glXAllocateMemoryNV
.
*
GL_NV_vertex_array_range
.
*
* Provides platform-independent access to the wglFreeMemoryNV
/
* glXFreeMemoryNV
.
*