# Usually the default. Writes speratate shader files to change rotation angle. # `os.tmpname()` is used to generate the filenames. On some systems this file # is readable by other users, but it contains no user- or video-specific # information, only the rotation angle. vo=gpu # Uses `glsl-shader-opts` to change rotation angle. # vo=gpu-next # Enable debug printing. # msg-level=gpu_rotate=debug