Add a release method to OpenGLRenderer

manim/manager.py

@@ -158,6 +158,7 @@ class Manager(Generic[Scene_co]):
         config._warn_about_config_options()
         self._render_first_pass()
         self._render_second_pass()
+        self.release()
 
     def _render_first_pass(self) -> None:
         """
@@ -192,6 +193,9 @@ class Manager(Generic[Scene_co]):
         """
         ...
 
+    def release(self) -> None:
+        self.renderer.release()
+
     def post_contruct(self) -> None:
         """Run post-construct hooks, and clean up the file writer."""
         if self.file_writer.num_plays:

manim/renderer/opengl_renderer.py

@@ -524,6 +524,10 @@ class OpenGLRenderer(Renderer, RendererProtocol):
         # numpy typing being bad, we have to type: ignore it
         return buf[::-1]  # type: ignore
 
+    def release(self) -> None:
+        self.ctx.release()
+        self.output_fbo.release()
+
 
 class GLVMobjectManager:
     @staticmethod

manim/renderer/renderer.py

@@ -78,6 +78,10 @@ class RendererProtocol(Protocol):
         """Get the pixels that should be written to a file."""
         ...
 
+    def release(self) -> None:
+        """Release any resources the renderer is holding."""
+        ...
+
 
 # NOTE: The user should expect depth between renderers not to be handled discussed at 03.09.2023 Between jsonv and MrDiver
 # NOTE: Cairo_camera overlay_PIL_image for MultiRenderer

manim/utils/testing/frames_comparison.py

@@ -10,7 +10,6 @@ import pytest
 from manim import Manager, Scene
 from manim._config import tempconfig
 from manim._config.utils import ManimConfig
-from manim.renderer.opengl_renderer import OpenGLRenderer
 
 from ._frames_testers import _ControlDataWriter, _FramesTester
 from ._test_class_makers import (
@@ -213,9 +212,6 @@ def _make_test_comparing_frames(
             manager.render()
             if last_frame:
                 frames_tester.check_frame(-1, manager.renderer.get_pixels())
-            if isinstance(manager.renderer, OpenGLRenderer):
-                manager.renderer.ctx.release()
-                manager.renderer.output_fbo.release()
 
     return real_test