These steps resolved the rendering issue for me: Set the environment variable: setenv PYOPENGL_PLATFORM egl Upgrade PyOpenGL and PyOpenGL_accelerate: pip install --upgrade PyOpenGL PyOpenGL_acceler ...

In your implementation, this first frame might come from a user-provided image, or it could be a plain white or black image. However, in a text-to-video (T2V) setting, the video should be directly ...