GL_EXT_multi_draw_arrays
https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_multi_draw_arrays.txt
GL_EXT_multi_draw_arrays

	void glMultiDrawArraysEXT (GLenum mode, const GLint* first, const GLsizei *count, GLsizei primcount)
	void glMultiDrawElementsEXT (GLenum mode, GLsizei* count, GLenum type, const void *const *indices, GLsizei primcount)