This GitHub gist provides an AMD FidelityFX Super Resolution GLSL shader for use with mpv.
About FSR
This GitHub Gist provides FSR.glsl, a port of AMD FidelityFX Super Resolution v1.0.2 for use as a shader with mpv. It hooks the LUMA plane for EASU upscaling and includes user-editable options for PQ gamma, deringing, and performance trade-offs.
Upscaling is limited to 4x, such as 1080p to 2160p or 720p to 1440p; any additional scaling is handled by mpv's scalers.
Key features
- Upscales video in mpv using FidelityFX Super Resolution v1.0.2
- Hooks LUMA plane directly instead of deriving luma from RGB
- Limits upscaling to 4x; further scaling uses mpv scalers
- Works with pre-OpenGL 4.0 renderers
- Offers toggles for PQ gamma, deringing, and EASU shortcuts
Best for: mpv users who want to apply FSR upscaling during video playback.
Good for
- Compatible with pre-OpenGL 4.0 renderers
- Operates directly on LUMA plane to reduce texture lookups
- Includes optional settings to trade quality for performance
Watch out for
- Maximum upscale is 4x; further scaling uses mpv scalers
- PQ setting must be set to the same value for both passes
- Transparency preservation mechanism was removed
FSR at a glance
- Category
- Software & Utilities › Media Players & Servers
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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FSR FAQ
How much can this shader upscale?
Up to 4x, for example 1080p to 2160p or 720p to 1440p; further scaling is processed by mpv's scalers.
What options can be changed in the EASU pass?
PQ gamma, deringing, simplified direction analysis, and early quit to bilinear filtering for non-edge pixels.
Does it work with older renderers?
The changelog states it was made compatible with pre-OpenGL 4.0 renderers.
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