[BUG] Closing OpenGL window on Windows leads to exception #488
Description
Bug Description
It seems like the self.window.switch_to() added in 172fa0e to render_opengl.py is causing an exception to be throw on Windows when the window is closed in the Drone and OpenGL examples.
warp/warp/render/render_opengl.py
Line 1438 in 5a75f88
Warp 1.6.0 initialized:
CUDA Toolkit 12.4, Driver 12.4
Devices:
"cpu" : "Intel64 Family 6 Model 134 Stepping 0, GenuineIntel"
"cuda:0" : "NVIDIA L40" (48 GiB, sm_89, mempool enabled)
Kernel cache:
C:\Users\horde\AppData\Local\NVIDIA\warp\Cache\1.6.0
Module warp.render.render_opengl d71b08e load on device 'cuda:0' took 65.28 ms (cached)
Traceback (most recent call last):
File "C:\Users\horde\code-projects\warp\warp\examples\core\example_render_opengl.py", line 185, in <module>
example.renderer.clear()
File "C:\Users\horde\.venv\Lib\site-packages\warp\render\render_opengl.py", line 1438, in clear
self.window.switch_to()
File "C:\Users\horde\.venv\Lib\site-packages\pyglet\window\win32\__init__.py", line 385, in switch_to
self.context.set_current()
^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'set_current'
Steps to Reproduce
- On Windows, install
pyglet - Run the Drone example, which opens a window:
python -m warp.examples.optim.example_drone - When example has finished running, close the window.
System Information
Windows