When transparent_bg is on, or the render target is too small,
Godot would skip postprocessing and disregard keep_3d_linear.
This fixes #26817.
(cherry picked from commit 7cbfce7a8c)
When transparent_bg is on, or the render target is too small,
Godot would skip postprocessing and disregard keep_3d_linear.
This fixes #26817.
(cherry picked from commit 7cbfce7a8c)