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===Native H.264 decoder===
MP4 videos are often encoded for Wii U games with the expectation that the hardware plays it back on-the-fly, but because the x86 architecture is not PowerPC, this is resource-intensive for Cemu since it has to run the PowerPC video decoder. An unofficial utility called [https://sshnuke.net/cemuhook/ Cemuhook] bypasses this by playing H.264 video directly from Windows codecs that are programmed for x86.
Cemu
,macOS available
{{WIP}}
{{Infobox emulator
|logo = Cemu-Logo.png
|version = {{CemuVerVersion|Cemu}}
|active = Yes
|platform = [[Emulators on Windows|Windows]]</br>[[Emulators on Linux|Linux]] (experimental)</br>[[Emulators on macOS|macOS]] (experimental)
|architecture = x86_64
|target = [[Wii U emulators|Wii U]]
|developer = Exzap, Petergov
|website = [http://cemu.info Cemu]
|license = ClosedMPL-source freeware2.0
|compatibility = [https://compat.cemu.info Compatibility list]
|support = [https://www.patreon.com/cemu Patreon]
|source = [https://github.com/cemu-project/Cemu GitHub]|bios = [[Emulator_FilesEmulator_files#Wii_U|Optional]]
}}
'''[[wikipedia:Cemu|Cemu]]''' is a closednow open-source [[Wii U emulators|Wii U emulator]] for Windows. Its development was started circa 2015 and it's known to be the very first Wii U emulator ever that can boot games.
Before updates are publicly released, they're accessible to backers over at [https://www.patreon.com/cemu their Patreon].
==Download==
{| cellpadding="4"
|align=center|{{Icon|Win}}
|'''[http://cemu.info/index.html#download Latest public release]'''<br/><small>Available one week after the Patreon builds release</small><br/>
|-
|align=center|{{Icon|Win-big|Lin|Mac}}|'''[httphttps://github.com/cemu.info-project/Cemu/index.html#download Latest public releases GitHub release]'''<br/><small>Available one week after the Patreon builds releaseExperimental</small>|-<br/>
|}
==Troubleshooting/speeding up==
===ShadercachesShader caches===
Shaders are normally cached as you play the game. This can cause a lot of stutters and slow the game down. However, as of version 1.19.0, Cemu added support for Asynchronous Shader Compiling on their Vulkan API which can make shader compiling near instantaneous on modern hardware, so try enabling that before hunting for shader caches.
Cemu accepts other shader caches that can be traded online. You can go to [https://www.reddit.com/r/Cemucaches/ /r/Cemucaches] and search for the ones you want. It's often very difficult to generate a complete cache for large games, and will not completely eliminate stuttering, which is why using Asynchronous Shader Compiling is recommended instead.
[[File:Shadercachestuff.png|thumb|Some settings in the Nvidia control panel might help.]]
Some games' transferable caches may cause slowdowns on some graphics cards like the GeForce GTX 970. If this is the case, you will have to generate your own shaders and delete the ones you downloaded. In the case of the GeForce, also consider deleting the .bin and .toc file in your GLCache at <code>%APPDATA%\NVIDIA\GLCache\(hexstring)\(hexstring)</code>.
==Graphic Packs==
See some of the community graphics packs at [http://slashiee.github.io/cemu_graphic_packs/ this page].
==External links==
* [https://wiki.cemu.info/wiki/Main_Page Wiki]
* [https://discord.gg/5psYsup Official Discord]
<references/>
