GL_ARB_indirect_parameters
https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_indirect_parameters.txt
GL_ARB_indirect_parameters

	GL_PARAMETER_BUFFER_ARB 0x80EE
	GL_PARAMETER_BUFFER_BINDING_ARB 0x80EF
	void glMultiDrawArraysIndirectCountARB (GLenum mode, const void *indirect, GLintptr drawcount, GLsizei maxdrawcount, GLsizei stride)
	void glMultiDrawElementsIndirectCountARB (GLenum mode, GLenum type, const void *indirect, GLintptr drawcount, GLsizei maxdrawcount, GLsizei stride)