README: recommend --profile=fast for crappy GPUs

0.37.0 uses more computationally expensive shaders by default,
which can cause high GPU usage and frame drops even for modern
integrated GPUs, especially with 4K and high fps contents.
Recommend --profile=fast for them.
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nanahi 2024-01-01 14:27:04 -05:00 committed by sfan5
parent d8c2e33a5d
commit 5aae6bbf4e
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@ -43,7 +43,8 @@ Releases can be found on the [release list][releases].
- A not too crappy GPU. mpv's focus is not on power-efficient playback on
embedded or integrated GPUs (for example, hardware decoding is not even
enabled by default). Low power GPUs may cause issues like tearing, stutter,
etc. The main video output uses shaders for video rendering and scaling,
etc. On such GPUs, it's recommended to use `--profile=fast` for smooth playback.
The main video output uses shaders for video rendering and scaling,
rather than GPU fixed function hardware. On Windows, you might want to make
sure the graphics drivers are current. In some cases, ancient fallback video
output methods can help (such as `--vo=xv` on Linux), but this use is not