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# ----------------------------------------------------------------------------
# - Open3D: www.open3d.org -
# ----------------------------------------------------------------------------
# The MIT License (MIT)
#
# Copyright (c) 2018-2021 www.open3d.org
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
# ----------------------------------------------------------------------------
import platform
import os
from multiprocessing import Process
import pytest
def draw_box_offscreen():
import open3d as o3d
import open3d.visualization.rendering as rendering
render = rendering.OffscreenRenderer(640, 480)
cube_red = o3d.geometry.TriangleMesh.create_box(1, 2, 4)
cube_red.compute_vertex_normals()
cube_red.paint_uniform_color((1.0, 0.0, 0.0))
default_mat = rendering.MaterialRecord()
render.scene.add_geometry("box", cube_red, default_mat)
render.setup_camera(60.0, [0, 0, 0], [0, 10, 0], [0, 0, 1])
_ = render.render_to_image()
@pytest.mark.skipif(
not (platform.system() == "Linux" and platform.machine() == "x86_64") or
os.getenv("OPEN3D_CPU_RENDERING", '') != 'true',
reason="Offscreen CPU rendering is only supported on x86_64 Linux")
def test_draw_cpu():
"""Test CPU rendering in a separate process."""
proc = Process(target=draw_box_offscreen)
proc.start()
proc.join(timeout=5) # Wait for process to complete
if proc.exitcode is None:
proc.kill() # Kill on failure
assert False, __name__ + " did not complete."
assert proc.exitcode == 0
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