SDL_GameControllerFromInstanceID does not increase internal ref counter.
Fixes a crash when removing an SDL controller that is in use by another profile
* Add en resource and change language selection for macos user that don't have US as their system region
* default to English if the system language is unavailable
std::unordered_set is implemented as a flat hashtable on libstdc++ which makes clearing expensive due to invoking memset on the entire table. To get the best performance across all platforms this replaces the unordered_set with a custom high-performance sparse bitset
- Controller profile filenames now encode unicode characters correctly
- Removed dependency on boost::filesystem. There is still an indirect dependency on it from another boost module it seems
- Refactored some code to use FileStream instead of ifstream/ofstream
On MacOS this fixes the framerate being too high due to discontinuities in the timer that drives the emulated vsync. It also fixes behavior of the GetTickCount() wrapper.
Removes the -DPUBLIC_RELEASE flag. Cemu's debug asserts are now only enabled if the build configuration is Debug. Similarly, on Windows the console is only shown for Debug builds.
Most people following the guide are currently not really developers and this was a fairly hidden option that's easily missed.
The disabled version will later change to be an actual custom cmake target instead of a preprocessor flag, but that'll require more code to be adjusted.
Not using the flag means that Cemu keeps some (performance-costing) debug checks in, alongside more logging and a debug logging console on Windows.
- Fixed an issue where the toolbar icons for the debugger were resized to 1x1
- On Windows we now load the PNG UI icons from the header-embedded pngs (`resource/embedded`) instead of via `cemu.rc` to match behavior of other platforms
* fixed building on macos, needs OBJC and OBJXX to be enabled
* changed to weak ordering due to string comparison not being strong ordering
* Use raw PNG bytes from "resource/embedded/resources.h" in all windows too
When a game tries to generate Miis without the FFL files being dumped (<mlc>/sys/title/0005001b/10056000/content/) it will cause it to create and use a texture with invalid parameters.
This workaround catches and replaces bad texture parameters to avoid crashing further down the line.
Resolves crashes in Sonic Lost World, Super Mario 3D World and probably a few others.
We had this workaround in pre-2.0 Cemu already but it was dropped during refactoring.
Refactored to pre-calculate the game list row colors at the beginning of the function. If the background color is almost white as it is on Windows, we'll use the previous bluish secondary color instead of grey-scale lightness adjustment.
This broke while refactoring code for the 2.0 release. Resolves Tokyo Mirage Session and Pokken freezing on boot. Probably also affects some other games
Also updated .gitignore
Fixed various issues related to title names：
1. If console language is set to non-English, the title names in Title Manager may be empty.
2. Game list do not show custom names if list style set to icon or small icon.
3. Custom title names for some languages (like JP or CN) appear confusing if re-edited.
4. Unexpected overrides of variable values in ParsedMetaXml.h
The icon view was all broken from having entries inserted with non
loaded icons, resulting in a layout that had the wrong size and no
obvious way to trigger a resizing without incurring a costly window
redraw.
Solution: When the icon is not yet loaded insert a transparent
placeholder icon.
std::is_same_v<decltype(0LL), int64_t> does not evaluate the same on
Linux Clang and MSVC. MSVC returns true but Clang and GCC both returns
false resulting in failing to read the game id from the XML file and
therefore rebuilding the cache.
Solution: Don't rely on the type of 0LL and 0ULL literals but explicitly
provide the type of the field we are trying to read.
2.0 introduced a race condition where the shader cache loading screen could load shaders before the graphic packs finished activating, potentially bypassing custom shaders.
Also removed legacy GraphicPack interface (GraphicPack.cpp/.h) since it was only kept around for Cemuhook and removed u8string variant of cemuLog_force since it's no longer used
* Make PPC threads/texture cache info window columns untranslatable
* Make several window titles translatable
* Make About window text translatable
* Fix <profile name> placeholder not being recognized as translatable
* Miscellaneous improvements to GUI strings
* Add a few missing entries to gitignore
* Adjust Italian translation of Linux files
- Fix target_precompile_headers() usage; the CemuCommon target exposes
the src/Common/precompiled.h precompiled header as part of its public
interface with
target_precompile_headers(CemuCommon PUBLIC precompiled.h), so all the
other targets wanting to use the precompiled header have to link to
the CemuCommon target with
target_precompile_headers(TargetName PRIVATE CemuCommon).
- Set the project version to 2.0
- Set RUNTIME_OUTPUT_DIRECTORY instead of only their _DEBUG and _RELEASE
variants, fixing the compilation when neither build types are defined
- Use a consistent indentation style (tabs, like in the .cpp files)
- Use "modern" variants of some functions, e.g. add_definitions ->
add_compile_definitions
Also adds some code for enabling multi-user support inside apps maybe, but it's probably hardcoded in more places since Cemu currently only shows the active account.
This is just a quick fix. In the future we can look into avoiding hardcoded firmware version numbers. On the console it gets read from some system file
* Update OpenSSL hash functions to OpenSSL 3.0
* Fix invalid sscanf format in DownloadManager
* Fix unset return value warning
* Fix erroneous check on otpMem in iosu_crypto
Doesn't seem like there's a way to bypass the need for default values in their API, and since their versions doesn't seem to be reliable enough to know whether maxDualSourceDrawBuffersEXT exists. This way it's default initialized to 0 which is fine for Cemu.
The previous implementation used an std::stringstream to concatenate
the generated random string.
The new one uses a simple preallocated std::string, as the size of the
output is already known - it is the length parameter.
It also uses std::generate_n() instead of an explicit loop, making the
code more concise and potentially faster, as no calls to
std::string::operator+= are needed.
Calling GenerateRandomString(1'000'000) with the std::stringstream-based
implementation allocated 16 times, for a total of 3'173'516 bytes.
The new one cuts this down to 4 allocs, for a total of 1'076'864 bytes.
There is currently an issue where building from scratch causes the Windows CI machine to run out of disk space. Since it works when the job is re-run with cached packages we'll just leave it at that for now
about:Tech support does not belong here. You should only file an issue here if you think you have experienced an actual bug with Cemu or you are requesting a feature you believe would make Cemu better.
title:''
labels:''
assignees:''
---
<!---
Please keep in mind Cemu is EXPERIMENTAL SOFTWARE.
Please read the FAQ:
https://cemu.info/faq.html/
THIS IS NOT A SUPPORT FORUM, FOR SUPPORT GO TO:
https://discord.com/invite/5psYsup/
If the FAQ does not answer your question, please go to:
https://discord.com/invite/5psYsup/
When submitting an issue, please check the following:
- You have read the above.
- You have provided the version (commit hash) of Cemu you are using.
- You have provided sufficient detail for the issue to be reproduced.
- You have provided system specs (if relevant).
- Please also provide:
- For any issues, a log file
- For crashes, a backtrace.
- For graphical issues, comparison screenshots with real hardware.
- For emulation inaccuracies, a test-case (if able).
about:If you are experiencing an issue with Cemu, and you need tech support, or if you have a general question, try asking in the official Cemu Discord linked here. Piracy is not allowed.
- A recent version of Visual Studio 2022 (recommended but not required) with the following additional components:
- C++ CMake tools for Windows
- Windows 10/11 SDK
- git
Instructions:
1. Run `git clone --recursive https://github.com/cemu-project/Cemu`
2. Launch `Cemu/generate_vs_solution.bat`.
- If you installed VS to a custom location or use VS 2019, you may need to manually change the path inside the .bat file.
3. Wait until it's done, then open `Cemu/build/Cemu.sln` in Visual Studio.
4. Then build the solution and once finished you can run and debug it, or build it and check the /bin folder for the final Cemu_release.exe.
You can also skip steps 3-5 and open the root folder of the cloned repo directly in Visual Studio (as a folder) and use the built-in CMake support but be warned that cmake support in VS can be a bit finicky.
## Linux
To compile Cemu, a recent enough compiler and STL with C++20 support is required! clang-12 or higher is what we recommend.
5. You should now have a Cemu executable file in the /bin folder, which you can run using `./bin/Cemu_release`.
#### Using GCC
While we use and test Cemu using clang, using GCC might work better with your distro (they should be fairly similar performance/issues wise and should only be considered if compilation is the issue).
You can use it by replacing the step 3 with the following:
- If step 3 gives you an error about not being able to find ninja, try appending `-DCMAKE_MAKE_PROGRAM=/usr/bin/ninja` to the command and running it again.
- If step 3 fails while compiling the boost-build dependency, it means you don't have a working/good standard library installation. Check the integrity of your system headers and making sure that C++ related packages are installed and intact.
- If step 3 gives a random error, read the `[package-name-and-platform]-out.log` and `[package-name-and-platform]-err.log` for the actual reason to see if you might be lacking the headers from a dependency.
- If step 3 is still failing or if you're not able to find the cause, please make an issue on our Github about it!
- If step 4 gives you an error that contains something like `main.cpp.o: in function 'std::__cxx11::basic_string...`, you likely are experiencing a clang-14 issue. This can only be fixed by either lowering the clang version or using GCC, see below.
- If step 4 gives you a different error, you could report it to this repo or try using GCC. Just make sure your standard library and compilers are updated since Cemu uses a lot of modern features!
- If step 4 gives you undefined libdecor_xx, you are likely experiencing an issue with sdl2 package that comes with vcpkg. Delete sdl2 from vcpkg.json in source file and recompile.
- If step 3 fails during rebuild after `git pull` with an error that mentions RPATH, add this to the end of step 3: `-DCMAKE_BUILD_WITH_INSTALL_RPATH=ON`
## macOS
To compile Cemu, a recent enough compiler and STL with C++20 support is required! LLVM 13 and
below, built in LLVM, and Xcode LLVM don't support the C++20 feature set required. Currently,
LLVM 15 isn't supported due to compatibility issues with Boost dependency. The OpenGL graphics
API isn't support on macOS, Vulkan must be used. Additionally Vulkan must be used through the
Molten-VK compatibility layer
### On Apple Silicon Macs, Rosetta 2 and the x86_64 version of Homebrew must be used
You can skip this section if you have an Intel Mac. Every time you compile, you need to perform steps 2.
1.`softwareupdate --install-rosetta` # Install Rosetta 2 if you don't have it. This only has to be done once
5. You should now have a Cemu executable file in the /bin folder, which you can run using `./bin/Cemu_release`.
#### Troubleshooting steps
- If step 3 gives you an error about not being able to find ninja, try appending `-DCMAKE_MAKE_PROGRAM=/usr/local/bin/ninja` to the command and running it again.
## Updating Cemu and source code
1. To update your Cemu local repository, use the command `git pull --recurse-submodules` (run this command on the Cemu root).
- This should update your local copy of Cemu and all of its dependencies.
2. Then, you can rebuild Cemu using the steps listed above, according to whether you use Linux or Windows.
If CMake complains about Cemu already being compiled or another similar error, try deleting the `CMakeCache.txt` file inside the `build` folder and retry building.
- [Cemu's Community Graphic Packs](https://github.com/ActualMandM/cemu_graphic_packs)
## Download
You can download the latest Cemu releases from the [GitHub Releases](https://github.com/cemu-project/Cemu/releases/) or from [Cemu's website](https://cemu.info).
Cemu is currently only available in a portable format so no installation is required besides extracting it in a safe place.
The native Linux build is currently a work-in-progress. See [Current State Of Linux builds](https://github.com/cemu-project/Cemu/issues/107) for more information about the things to be aware of.
Pre-2.0 releases can be found on Cemu's [changelog page](https://cemu.info/changelog.html).
## Build Instructions
To compile Cemu yourself on Windows or Linux, view the [BUILD.md file](/BUILD.md).
## Issues
Issues with the emulator should be filed using [GitHub Issues](https://github.com/cemu-project/Cemu/issues).
The old bug tracker can be found at [bugs.cemu.info](https://bugs.cemu.info) and still contains relevant issues and feature suggestions.
## Contributing
Pull requests are very welcome. For easier coordination you can visit the developer discussion channel on [Discord](https://discord.gg/5psYsup) or alternatively the [Matrix Server](https://matrix.to/#/#cemu:cemu.info).
If coding isn't your thing, testing games and making detailed bug reports or updating the (usually outdated) compatibility wiki is also appreciated!
Questions about Cemu's software architecture can also be answered on Discord (through the Matrix bridge).
## License
Cemu is licensed under [Mozilla Public License 2.0](/LICENSE.txt). Exempt from this are all files in the dependencies directory for which the licenses of the original code apply as well as some individual files in the src folder, as specified in those file headers respectively.
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