+
+(define dxvk32
+ ;; This package provides 32-bit dxvk libraries on 64-bit systems.
+ (package
+ (name "dxvk32")
+ (version "1.5.4")
+ (home-page "https://github.com/doitsujin/dxvk/")
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url home-page)
+ (commit (string-append "v" version))))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "0yhxd5rnn5mcvcb2n062z9wqqwxjq5c0rzfbjz1z9ppznj8gn37i"))))
+ (build-system meson-build-system)
+ (arguments
+ `(#:system "i686-linux"
+ #:configure-flags (list "--cross-file"
+ (string-append (assoc-ref %build-inputs "source")
+ "/build-wine32.txt"))))
+ (native-inputs
+ ;; Since 1.5 dxvk needs gcc-8.1. See
+ ;; https://github.com/doitsujin/dxvk/issues/1292#issuecomment-567067373.
+ `(("gcc" ,gcc-9)
+ ("glslang" ,glslang)))
+ (inputs
+ `(("wine" ,wine-staging)))
+ (synopsis "Vulkan-based D3D9, D3D10 and D3D11 implementation for Wine")
+ (description "A Vulkan-based translation layer for Direct3D 9/10/11 which
+allows running complex 3D applications with high performance using Wine.
+
+Use @command{setup_dxvk} to install the required libraries to a Wine prefix.")
+ (supported-systems '("x86_64-linux"))
+ (license license:zlib)))
+
+(define-public dxvk
+ (package
+ (inherit dxvk32)
+ (name "dxvk")
+ (arguments
+ `(#:configure-flags (list "--cross-file"
+ (string-append (assoc-ref %build-inputs "source")
+ "/build-wine"
+ ,(match (%current-system)
+ ("x86_64-linux" "64")
+ (_ "32"))
+ ".txt"))
+ #:phases
+ (modify-phases %standard-phases
+ ,@(if (string=? (%current-system) "x86_64-linux")
+ `((add-after 'unpack 'install-32
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (dxvk32 (assoc-ref inputs "dxvk32")))
+ (mkdir-p (string-append out "/lib32"))
+ (copy-recursively (string-append dxvk32 "/lib")
+ (string-append out "/lib32"))))))
+ '())
+ (add-after 'install 'install-setup
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (bin (string-append out "/bin/setup_dxvk")))
+ (mkdir-p (string-append out "/bin"))
+ (copy-file "../source/setup_dxvk.sh"
+ bin)
+ (chmod bin #o755)
+ (substitute* bin
+ (("wine=\"wine\"")
+ (string-append "wine=" (assoc-ref inputs "wine") "/bin/wine"))
+ (("x32") ,(match (%current-system)
+ ("x86_64-linux" "../lib32")
+ (_ "../lib")))
+ (("x64") "../lib"))))))))
+ (inputs
+ `(("wine" ,(match (%current-system)
+ ;; ("x86_64-linux" wine64)
+ ("x86_64-linux" wine64-staging)
+ ;; ("x86_64-linux" mingw-w64-x86_64)
+ (_ wine)))
+ ,@(match (%current-system)
+ ("x86_64-linux"
+ `(("dxvk32" ,dxvk32)))
+ (_ '()))))
+ (supported-systems '("i686-linux" "x86_64-linux"))))