[MISC] Workaround for 'pyglet' bug. (#2385)

Author: duburcqa

genesis/ext/pyrender/viewer.py

@@ -57,17 +57,17 @@
 if TYPE_CHECKING:
     from genesis.vis.rasterizer_context import RasterizerContext
 
-
-pyglet.options["shadow_window"] = False
-pyglet.options["dpi_scaling"] = "real"
-
-
 MODULE_DIR = os.path.dirname(__file__)
 
 HELP_TEXT_KEY = Key.I
 HELP_TEXT_KEYBIND_NAME = "toggle_instructions"
 
 
+pyglet.options["shadow_window"] = False
+if pyglet.options.get("dpi_scaling") != "real":
+    pyglet.options["dpi_scaling"] = "real"
+
+
 class Viewer(pyglet.window.Window):
     """An interactive viewer for 3D scenes.
 

pyproject.toml

@@ -21,6 +21,8 @@ dependencies = [
     "moviepy>=2.0.0",
     # Used by `pyrender` to manage onscreen graphical windows
     # * 2.1.8 breaks headless windowing, which is used in unit tests of the interactive viewer.
+    # * 2.0.15 <= 2.1.8 breaks old-style option overwrite for string literal.
+    # * 2.1.10 changes default DPI scaling behavior.
     "pyglet>=1.5,!=2.1.8",
     # Used by `pyrender` to load fonts
     "freetype-py",