GL_ARB_query_buffer_object
http://www.opengl.org/registry/specs/ARB/query_buffer_object.txt
GL_ARB_query_buffer_object
	GL_QUERY_BUFFER_BARRIER_BIT 0x00008000
	GL_QUERY_BUFFER 0x9192
	GL_QUERY_BUFFER_BINDING 0x9193
	GL_QUERY_RESULT_NO_WAIT 0x9194
