def createContext(self):
print "\there 0.0"
context = optix.contextCreate()
print "\t\there 0.0.0"
context.setRayTypeCount(1)
print "\t\there 0.0.1"
context.setEntryPointCount(1)
print "\there 0.1"
# should be context["radiance_ray_type"].set( 0 )
variable = context.declareVariable("radiance_ray_type")
variable.set1ui(0)
variable = context.declareVariable("scene_epsilon")
variable.set1f(0.0001)
print "\there 0.2"
output_buffer = context.declareVariable("output_buffer")
print "\t\there 0.2.0"
self.output_buffer = context.bufferCreate(optix.RT_BUFFER_OUTPUT)
print "\t\there 0.2.1"
self.output_buffer.setFormat(optix.RT_FORMAT_UNSIGNED_BYTE4)
print "\t\there 0.2.2"
self.output_buffer.setSize2D(self.WIDTH, self.HEIGHT)
print "\t\there 0.2.3"
output_buffer.setObject(self.output_buffer) # TODO:test this
print "\there 0.3"
# ray gen prog
# TODO: make context.createProgramFromPTXFile( string1, string2)
ray_gen_program = context.programCreateFromPTXFile(self.get_ptx_path("pinhole_camera"), "pinhole_camera")
print "\t\there 0.3.0"
context.setRayGenerationProgram(0, ray_gen_program)
print "\there 0.4"
variable = context.declareVariable("eye")
variable.set3f(f1=0, f2=0, f3=5)
# variable.set3f( 0, 0, 5 )
variable = context.declareVariable("U")
variable.set3f(2.88675, 0, 0)
variable = context.declareVariable("V")
variable.set3f(0, 2.16506, 0)
variable = context.declareVariable("W")
variable.set3f(0, 0, -5)
print "\there 0.5"
# exception program
exception_program = context.programCreateFromPTXFile(self.get_ptx_path("pinhole_camera"), "exception")
context.setExceptionProgram(0, exception_program)
variable = context.declareVariable("bad_color")
variable.set3f(1.0, 1.0, 0.0)
print "\there 0.6"
# miss prog
miss_program = context.programCreateFromPTXFile(self.get_ptx_path("constantbg"), "miss")
context.setMissProgram(0, miss_program)
variable = context.declareVariable("bg_color")
# variable.set3f( 0.3, 0.1, 0.2 )
variable.set3f(0.3, 0.1, 0.1)
return context
import optix
print 'Testing optix module methods ============================================='
print 'Available devices: {}'.format( optix.deviceGetDeviceCount() )
print 'OptiX version : {}'.format( optix.getVersion() )
ctx = optix.contextCreate()
print 'OptiX ctx create : {}'.format( ctx )
print dir( optix.Context )
print 'Testing optix module methods'
print 'Testing context methods =================================================='
print 'ctx devices : {}'.format( ctx.getDeviceCount() )
