def testEmptyProceduralIsIgnored(self):
class EmptyProcedural(IECore.Renderer.Procedural):
def __init__(self):
IECore.Renderer.Procedural.__init__(self)
def bound(self):
return IECore.Box3f()
def render(self, renderer):
pass
def hash(self):
h = IECore.MurmurHash()
return h
r = IECoreArnold.Renderer()
r.display("test", "ieDisplay", "rgba", {
"driverType": "ImageDisplayDriver",
"handle": "testHandle"
})
messageCallback = arnold.AtMsgCallBack(self.arnoldMessageCallback)
arnold.AiMsgSetCallback(messageCallback)
self.__arnoldMessages = ""
with IECore.WorldBlock(r):
r.procedural(EmptyProcedural())
self.failIf("ignoring parameter max" in self.__arnoldMessages)
def testProceduralsShareInstances(self):
class PlaneProcedural(IECore.Renderer.Procedural):
def __init__(self):
IECore.Renderer.Procedural.__init__(self)
def bound(self):
return IECore.Box3f(IECore.V3f(-10, -10, -0.01),
IECore.V3f(10, 10, 0.01))
def render(self, renderer):
IECore.MeshPrimitive.createPlane(
IECore.Box2f(IECore.V2f(-10),
IECore.V2f(10))).render(renderer)
def hash(self):
h = IECore.MurmurHash()
return h
def arnoldMessageCallback(logMask, severity, msg, tabs):
self.__arnoldMessages.append(msg)
r = IECoreArnold.Renderer()
r.display("test", "driver_null", "rgba", {})
messageCallback = arnold.AtMsgCallBack(arnoldMessageCallback)
arnold.AiMsgSetCallback(messageCallback)
self.__arnoldMessages = []
with IECore.WorldBlock(r):
r.concatTransform(
IECore.M44f.createTranslated(IECore.V3f(0, 0, -5)))
for i in range(0, 100):
r.procedural(PlaneProcedural())
# we can't check for the existence of ginstances by examining the nodes after rendering,
# because it seems that after rendering, arnold reports the type of ginstances
# as being the type of the thing they point to, rather than "ginstance". so instead we
# check for evidence in the log.
polyMeshStats = [
m for m in self.__arnoldMessages if m.startswith("polymeshes")
][0]
self.failUnless("99" in polyMeshStats)
# check that there are no bounding box warnings
boundingBoxWarnings = [
m for m in self.__arnoldMessages if "bounding box" in m
]
self.assertEqual(len(boundingBoxWarnings), 0)
def testTransformingProceduralBounds( self ) :
r = IECoreArnold.Renderer()
messageCallback = arnold.AtMsgCallBack( self.arnoldMessageCallback )
arnold.AiMsgSetCallback( messageCallback )
self.__arnoldMessages = ""
r.display( "test", "ieDisplay", "rgba", { "driverType" : "ImageDisplayDriver", "handle" : "testHandle" } )
with IECore.WorldBlock( r ) :
r.procedural(
self.TransformingProcedural(
IECore.M44f.createTranslated( IECore.V3f( 0, 0, -5 ) ),
self.SphereProcedural()
)
)
self.failIf( "incorrect user bounds" in self.__arnoldMessages )