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Diffstat (limited to 'DOCS')
-rw-r--r-- | DOCS/man/vo.rst | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/DOCS/man/vo.rst b/DOCS/man/vo.rst index 2334535998..82a52b0297 100644 --- a/DOCS/man/vo.rst +++ b/DOCS/man/vo.rst @@ -295,7 +295,20 @@ Available video output drivers are: ``rgb16f``, ``rgb32f`` or ``rgb``. Known problems include Mesa/Intel not accepting ``rgb16``, Mesa sometimes not being compiled with float texture support, and some OS X setups being very slow with ``rgb16`` but fast - with ``rgb32f``. + with ``rgb32f``. If you have problems, you can also try passing the + ``dumb-mode=yes`` sub-option. + + ``dumb-mode=<yes|no>`` + This mode is extremely restricted, and will disable most extended + OpenGL features. This includes high quality scalers and custom + shaders! + + It is intended for hardware that does not support FBOs (including GLES, + which supports it insufficiently), or to get some more performance out + of bad or old hardware. + + This mode is forced automatically if needed, and this option is mostly + useful for debugging. ``scale=<filter>`` |