def test_round_up_pow_2(self):
self.assertEqual(round_up_pow_2(11), 16)
self.assertEqual(round_up_pow_2(0), 0)
self.assertEqual(round_up_pow_2(1), 1)
self.assertEqual(round_up_pow_2(2), 2)
self.assertEqual(round_up_pow_2(3), 4)
self.assertEqual(round_up_pow_2(112), 128)
self.assertEqual(round_up_pow_2(255), 256)
self.assertEqual(round_up_pow_2(256), 256)
self.assertEqual(round_up_pow_2(pow(2,40)), pow(2,40))
self.assertEqual(round_up_pow_2(pow(2,45)-103), pow(2,45))
def render(self, scene):
"""Render a scene."""
# allow integrators to do preprocessing
self.surface_integrator.preprocess(scene, self.camera, self)
self.volume_integrator.preprocess(scene, self.camera, self)
# allocate and initialize smaple
self.sample = Sample.from_sampler(self.sampler,
self.surface_integrator,
self.volume_integrator, scene)
# compute number of SamplerRendererTasks to create for rendering
n_pixels = self.camera.film.x_resolution * self.camera.film.y_resolution
n_tasks = max(32 * num_system_cores(), n_pixels / (16 * 16))
n_tasks = round_up_pow_2(n_tasks)
# create and launch SamplerRendererTasks for rendering image
render_tasks = []
for i in range(n_tasks):
render_tasks.append(
SamplerRendererTask(scene, self, self.camera, self.sampler,
self.sample, n_tasks - 1 - i, n_tasks))
# self.enqueue_tasks(render_tasks)
# self.wait_for_all_tasks()
for task in render_tasks:
task.run()
# clean up after rendering and store final image
del (self.sample)
self.camera.film.write_image()
def render(self, scene):
"""Render a scene."""
# allow integrators to do preprocessing
self.surface_integrator.preprocess(scene, self.camera, self)
self.volume_integrator.preprocess(scene, self.camera, self)
# allocate and initialize smaple
self.sample = Sample.from_sampler(
self.sampler,
self.surface_integrator,
self.volume_integrator,
scene)
# compute number of SamplerRendererTasks to create for rendering
n_pixels = self.camera.film.x_resolution * self.camera.film.y_resolution
n_tasks = max(32 * num_system_cores(), n_pixels / (16*16))
n_tasks = round_up_pow_2(n_tasks)
# create and launch SamplerRendererTasks for rendering image
render_tasks = []
for i in range(n_tasks):
render_tasks.append(SamplerRendererTask(scene,
self,
self.camera,
self.sampler,
self.sample,
n_tasks-1-i,
n_tasks))
# self.enqueue_tasks(render_tasks)
# self.wait_for_all_tasks()
for task in render_tasks:
task.run()
# clean up after rendering and store final image
del(self.sample)
self.camera.film.write_image()
