def render_task(self, task_index: int,
bucket_index: int,
bucket_order_info: BucketOrderInfo, sample, renderer: Renderer):
sampler = self.main_sampler.get_sub_sampler(bucket_index, bucket_order_info)
if sampler is None:
return
print("start render task : id(" + str(task_index) + ") (" + str(sampler.bucket_extend.start_x) + "," + str(
sampler.bucket_extend.start_y) + ") " + "(" + str(sampler.bucket_extend.end_x - 1) + "," + str(
sampler.bucket_extend.end_y - 1) + ")")
self.draw_bucket_extend(sampler.bucket_extend)
pixels = []
maxSamples = sampler.get_maximum_sample_count()
samples = []
rays = []
Ls = []
Ts = []
intersections = []
for n in range(maxSamples):
samples.append(deepcopy(sample))
rays.append(Ray())
Ls.append(Spectrum(0.0))
Ts.append(Spectrum(0.0))
intersections.append(Intersection())
# preallocate array for each pixels
# rays = [Ray()]*maxSamples
# Ls = [Spectrum(0.0)]*maxSamples
# Ts = [Spectrum(0.0)]*maxSamples
# intersections = [Intersection()]*maxSamples
while True:
if sampler.get_more_samples(samples) == 0:
break
for i in range(len(samples)):
rays[i] = self.camera.generate_ray(samples[i])
Ls[i] = renderer.get_li(self.scene, rays[i], intersections[i], samples[i])
s = Spectrum(0.0)
for i in range(len(samples)):
s += Ls[i]
s /= float(len(samples))
s = s.get_clamp(0.0, 1.0)
pixels.append(s)
print("end render task " + str(task_index))
return pixels, sampler.bucket_extend
