WGL_NV_vertex_array_range https://www.khronos.org/registry/OpenGL/extensions/NV/WGL_NV_vertex_array_range.txt WGL_NV_vertex_array_range void* wglAllocateMemoryNV (GLsizei size, GLfloat readfreq, GLfloat writefreq, GLfloat priority) void wglFreeMemoryNV (void* pointer)