Citra — Shader
The beauty of Citra shaders is their efficiency. Unlike brute-force resolution scaling, which demands VRAM, most shaders run in a single pass on the GPU’s compute units. On a Steam Deck or a mid-range Android phone, enabling a light FXAA shader costs only 2-3 FPS, while eliminating the "crawling ants" effect on distant foliage in Monster Hunter 4 Ultimate .
In Citra, go to and select your desired effect from the Post-Processing Shader dropdown menu. Popular Types: citra shader
These are the engine-level shaders responsible for emulating the 3DS GPU's behavior. The beauty of Citra shaders is their efficiency
Turning this OFF can improve performance on lower-end devices, though it may occasionally cause minor graphical bugs in specific games. 2. Post-Processing Shaders (Visuals) In Citra, go to and select your desired
For Citra users, managing shaders effectively can eliminate "shader stutter"—the jarring pauses that occur when an emulator compiles new visual effects in real-time. Core Shader Technologies in Citra