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154 lines
8.4 KiB
Markdown
154 lines
8.4 KiB
Markdown
# DXVK
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A Vulkan-based translation layer for Direct3D 9/10/11 which allows running 3D applications on Linux using Wine.
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For the current status of the project, please refer to the [project wiki](https://github.com/doitsujin/dxvk/wiki).
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The most recent development builds can be found [here](https://github.com/doitsujin/dxvk/actions/workflows/artifacts.yml?query=branch%3Amaster).
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Release builds can be found [here](https://github.com/doitsujin/dxvk/releases).
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## How to use
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In order to install a DXVK package obtained from the [release](https://github.com/doitsujin/dxvk/releases) page into a given wine prefix, copy or symlink the DLLs into the following directories as follows, then open `winecfg` and manually add DLL overrides for `d3d11`, `d3d10core`, `dxgi`, and `d3d9`.
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In a default Wine prefix that would be as follows:
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```
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export WINEPREFIX=/path/to/wineprefix
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cp x64/*.dll $WINEPREFIX/drive_c/windows/system32
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cp x32/*.dll $WINEPREFIX/drive_c/windows/syswow64
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winecfg
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```
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For a pure 32-bit Wine prefix (non default) the 32-bit DLLs instead go to the `system32` directory:
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```
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export WINEPREFIX=/path/to/wineprefix
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cp x32/*.dll $WINEPREFIX/drive_c/windows/system32
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winecfg
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```
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Verify that your application uses DXVK instead of wined3d by by enabling the HUD (see notes below).
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In order to remove DXVK from a prefix, remove the DLLs and DLL overrides, and run `wineboot -u` to restore the original DLL files.
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Tools such as Steam Play, Lutris, Bottles, Heroic Launcher, etc will automatically handle setup of dxvk on their own when enabled.
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## Build instructions
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In order to pull in all submodules that are needed for building, clone the repository using the following command:
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```
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git clone --recursive https://github.com/doitsujin/dxvk.git
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```
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### Requirements:
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- [wine 7.1](https://www.winehq.org/) or newer
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- [Meson](https://mesonbuild.com/) build system (at least version 0.49)
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- [Mingw-w64](https://www.mingw-w64.org) compiler and headers (at least version 10.0)
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- [glslang](https://github.com/KhronosGroup/glslang) compiler
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### Building DLLs
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#### The simple way
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Inside the DXVK directory, run:
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```
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./package-release.sh master /your/target/directory --no-package
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```
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This will create a folder `dxvk-master` in `/your/target/directory`, which contains both 32-bit and 64-bit versions of DXVK, which can be set up in the same way as the release versions as noted above.
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In order to preserve the build directories for development, pass `--dev-build` to the script. This option implies `--no-package`. After making changes to the source code, you can then do the following to rebuild DXVK:
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```
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# change to build.32 for 32-bit
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cd /your/target/directory/build.64
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ninja install
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```
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#### Compiling manually
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```
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# 64-bit build. For 32-bit builds, replace
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# build-win64.txt with build-win32.txt
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meson setup --cross-file build-win64.txt --buildtype release --prefix /your/dxvk/directory build.w64
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cd build.w64
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ninja install
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```
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The D3D9, D3D10, D3D11 and DXGI DLLs will be located in `/your/dxvk/directory/bin`. Setup has to be done manually in this case.
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### Notes on Vulkan drivers
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Before reporting an issue, please check the [Wiki](https://github.com/doitsujin/dxvk/wiki/Driver-support) page on the current driver status and make sure you run a recent enough driver version for your hardware.
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### Online multi-player games
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Manipulation of Direct3D libraries in multi-player games may be considered cheating and can get your account **banned**. This may also apply to single-player games with an embedded or dedicated multiplayer portion. **Use at your own risk.**
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### Logs
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When used with Wine, DXVK will print log messages to `stderr`. Additionally, standalone log files can optionally be generated by setting the `DXVK_LOG_PATH` variable, where log files in the given directory will be called `app_d3d11.log`, `app_dxgi.log` etc., where `app` is the name of the game executable.
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On Windows, log files will be created in the game's working directory by default, which is usually next to the game executable.
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### HUD
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The `DXVK_HUD` environment variable controls a HUD which can display the framerate and some stat counters. It accepts a comma-separated list of the following options:
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- `devinfo`: Displays the name of the GPU and the driver version.
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- `fps`: Shows the current frame rate.
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- `frametimes`: Shows a frame time graph.
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- `submissions`: Shows the number of command buffers submitted per frame.
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- `drawcalls`: Shows the number of draw calls and render passes per frame.
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- `pipelines`: Shows the total number of graphics and compute pipelines.
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- `descriptors`: Shows the number of descriptor pools and descriptor sets.
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- `memory`: Shows the amount of device memory allocated and used.
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- `gpuload`: Shows estimated GPU load. May be inaccurate.
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- `version`: Shows DXVK version.
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- `api`: Shows the D3D feature level used by the application.
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- `cs`: Shows worker thread statistics.
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- `compiler`: Shows shader compiler activity
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- `samplers`: Shows the current number of sampler pairs used *[D3D9 Only]*
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- `scale=x`: Scales the HUD by a factor of `x` (e.g. `1.5`)
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- `opacity=y`: Adjusts the HUD opacity by a factor of `y` (e.g. `0.5`, `1.0` being fully opaque).
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Additionally, `DXVK_HUD=1` has the same effect as `DXVK_HUD=devinfo,fps`, and `DXVK_HUD=full` enables all available HUD elements.
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### Frame rate limit
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The `DXVK_FRAME_RATE` environment variable can be used to limit the frame rate. A value of `0` uncaps the frame rate, while any positive value will limit rendering to the given number of frames per second. Alternatively, the configuration file can be used.
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### Device filter
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Some applications do not provide a method to select a different GPU. In that case, DXVK can be forced to use a given device:
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- `DXVK_FILTER_DEVICE_NAME="Device Name"` Selects devices with a matching Vulkan device name, which can be retrieved with tools such as `vulkaninfo`. Matches on substrings, so "VEGA" or "AMD RADV VEGA10" is supported if the full device name is "AMD RADV VEGA10 (LLVM 9.0.0)", for example. If the substring matches more than one device, the first device matched will be used.
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**Note:** If the device filter is configured incorrectly, it may filter out all devices and applications will be unable to create a D3D device.
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### State cache
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DXVK caches pipeline state by default, so that shaders can be recompiled ahead of time on subsequent runs of an application, even if the driver's own shader cache got invalidated in the meantime. This cache is enabled by default, and generally reduces stuttering.
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The following environment variables can be used to control the cache:
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- `DXVK_STATE_CACHE`: Controls the state cache. The following values are supported:
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- `disable`: Disables the cache entirely.
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- `reset`: Clears the cache file.
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- `DXVK_STATE_CACHE_PATH=/some/directory` Specifies a directory where to put the cache files. Defaults to the current working directory of the application.
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### Debugging
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The following environment variables can be used for **debugging** purposes.
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- `VK_INSTANCE_LAYERS=VK_LAYER_KHRONOS_validation` Enables Vulkan debug layers. Highly recommended for troubleshooting rendering issues and driver crashes. Requires the Vulkan SDK to be installed on the host system.
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- `DXVK_LOG_LEVEL=none|error|warn|info|debug` Controls message logging.
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- `DXVK_LOG_PATH=/some/directory` Changes path where log files are stored. Set to `none` to disable log file creation entirely, without disabling logging.
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- `DXVK_CONFIG_FILE=/xxx/dxvk.conf` Sets path to the configuration file.
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- `DXVK_DEBUG=markers|validation` Enables use of the `VK_EXT_debug_utils` extension for translating performance event markers, or to enable Vulkan validation, respecticely.
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## Troubleshooting
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DXVK requires threading support from your mingw-w64 build environment. If you
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are missing this, you may see "error: ‘std::cv_status’ has not been declared"
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or similar threading related errors.
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On Debian and Ubuntu, this can be resolved by using the posix alternate, which
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supports threading. For example, choose the posix alternate from these
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commands:
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```
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update-alternatives --config x86_64-w64-mingw32-gcc
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update-alternatives --config x86_64-w64-mingw32-g++
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update-alternatives --config i686-w64-mingw32-gcc
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update-alternatives --config i686-w64-mingw32-g++
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```
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For non debian based distros, make sure that your mingw-w64-gcc cross compiler
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does have `--enable-threads=posix` enabled during configure. If your distro does
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ship its mingw-w64-gcc binary with `--enable-threads=win32` you might have to
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recompile locally or open a bug at your distro's bugtracker to ask for it.
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