Are you looking for the Cemu Emulator Settings for OpenGL? If yes then you are at the right place.
Cemu is a free and open-source Wii U emulator that allows you to play Wii U games and applications on your PC.
Cemu is capable of running most Wii U games and homebrew in a playable state.
It can achieve impressive quality levels, including up to 4K resolution.
It supports keyboard input and USB controllers as input devices.
Users can customize various settings within Cemu to tailor their gaming experience to their preferences.
This includes options to adjust resolution, frame rate, controller configurations, and graphical settings.
OpenGL is an open-source, cross-platform graphics API used for rendering 2D and 3D graphics in applications, including video games, CAD software, and multimedia applications.
It provides a set of functions for rendering graphics, handling textures, performing transformations, and more.
In Cemu, OpenGL serves as one of the rendering backends that the emulator can utilize to display Wii U games on a computer screen.
When using OpenGL as the rendering backend in Cemu, the emulator communicates with the computer’s graphics hardware using OpenGL APIs to render the graphics of Wii U games.
OpenGL allows Cemu to leverage the capabilities of the computer’s GPU to render graphics with various graphical enhancements and optimizations.
OpenGL generally provides good performance and compatibility in Cemu Emulator.
In this guide we will show you the best OpenGL settings which you can use in Cemu Emulator.
Cemu Emulator Settings for OpenGL
To optimize Cemu for OpenGL, follow these steps:
- Open the Cemu main menu.
- Right click on the game you want to play and select Edit game profile.
- Go to the Graphics tab.
- Change the Graphics API to OpenGL if it’s not already set to that.

- Now go to the General tab and select Multi-core recompiler from the list.

- After that select Thread quantum to 80000.

- After that go back to the Cemu emulator home page.
- Click on options and select General settings.
- Navigate to Graphics tab
- Change the Graphics API to OpenGL if it’s not already set to that.

- Untick the option for Full sync at GX2DrawDone().
- Under Precompiled shaders, set it to Auto.
- Disable Vsync by setting it to Off.
- Go to the Audio tab and select XAudio2.
Additionally, ensure that your Graphics Device is set to use your most powerful GPU if your system has dual graphics.
These settings should help improve gameplay and performance in the Cemu emulator.