fix(pyrender): Only enables headless pyrender under linux

blenderproc/python/writer/BopWriterUtility.py

@@ -13,6 +13,7 @@
 import cv2
 import bpy
 from mathutils import Matrix
+import sys
 
 from blenderproc.python.types.MeshObjectUtility import MeshObject, get_all_mesh_objects
 from blenderproc.python.utility.Utility import Utility, resolve_path
@@ -22,7 +23,9 @@
 from blenderproc.python.utility.SetupUtility import SetupUtility
 from blenderproc.python.utility.MathUtility import change_target_coordinate_frame_of_transformation_matrix
 
-os.environ['PYOPENGL_PLATFORM'] = 'egl'
+# EGL is not available under windows
+if sys.platform in ["linux", "linux2"]:
+    os.environ['PYOPENGL_PLATFORM'] = 'egl'
 # pylint: disable=wrong-import-position
 import pyrender
 # pylint: enable=wrong-import-position