Merge branch 'ccrouzet/gh-344-cpu-only-renderer' into 'main'

Allow the OpenGL Renderer to Run Without CUDA

Closes GH-344

See merge request omniverse/warp!925

Author: christophercrouzet

CHANGELOG.md

@@ -24,6 +24,7 @@
   `wp.atomic_max()`, or `wp.atomic_min()` as being written to ([GH-378](https://github.com/NVIDIA/warp/issues/378)).
 - Fix for occasional failure to update .meta files into Warp kernel cache on Windows
 - Mark kernel arrays as written to when passed to `wp.atomic_add()` or `wp.atomic_sub()`
+- Fix the OpenGL renderer not being able to run without CUDA ([GH-344](https://github.com/NVIDIA/warp/issues/344)).
 
 ## [1.5.0] - 2024-12-02
 

warp/render/render_opengl.py

@@ -968,6 +968,7 @@ def __init__(
         enable_backface_culling=True,
         enable_mouse_interaction=True,
         enable_keyboard_interaction=True,
+        device=None,
     ):
         """
         Args:
@@ -997,6 +998,7 @@ def __init__(
             enable_backface_culling (bool): Whether to enable backface culling.
             enable_mouse_interaction (bool): Whether to enable mouse interaction.
             enable_keyboard_interaction (bool): Whether to enable keyboard interaction.
+            device (Devicelike): Where to store the internal data.
 
         Note:
 
@@ -1040,7 +1042,11 @@ def __init__(
         self.render_depth = render_depth
         self.enable_backface_culling = enable_backface_culling
 
-        self._device = wp.get_cuda_device()
+        if device is None:
+            self._device = wp.get_preferred_device()
+        else:
+            self._device = wp.get_device(device)
+
         self._title = title
 
         self.window = pyglet.window.Window(