Graphics messaging calls
pipeline properties

enabled
parent
offset x
offset y
width
height
format
palette
bits

SetLayerInt :: (layer, prop, value)
SetLayerInts :: [(layer, prop, value)]
GetLayerInt :: (layer, prop) -> value
GetLayerInts :: [(layer, prop)] -> [value]
GetPropRanges :: (layer, prop) -> [(min, max, mod)]

SetPortInt :: (port, prop, value)
SetPortInts :: [(port, prop, value)]
GetPortInt :: (port, prop) -> value
GetPortInts :: [(port, prop)] -> [value]
GetPortRanges :: (port, prop) -> [(min, max, mod)]

GetCounts :: () -> (maxport, maxlayer)

glCommand
glCommandLarge
glRequest
