[bug#35031] [PATCH] gnu: Add dxvk.

[Pierre Neidhardt <mail@ambrevar.xyz>]

* gnu/packages/wine.scm (dxvk): New variable.
---
 gnu/packages/wine.scm | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/gnu/packages/wine.scm b/gnu/packages/wine.scm
index c7a57f5ec4..84a52a2436 100644
--- a/gnu/packages/wine.scm
+++ b/gnu/packages/wine.scm
@@ -5,6 +5,7 @@
 ;;; Copyright © 2017, 2018, 2019 Rutger Helling <rhelling@mykolab.com>
 ;;; Copyright © 2017 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2019 Pierre Neidhardt <mail@ambrevar.xyz>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -28,6 +29,7 @@
   #:use-module (guix git-download)
   #:use-module (guix utils)
   #:use-module (guix build-system gnu)
+  #:use-module (guix build-system meson)
   #:use-module (guix build-system trivial)
   #:use-module (gnu packages)
   #:use-module (gnu packages admin)
@@ -50,6 +52,7 @@
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages kerberos)
   #:use-module (gnu packages linux)
+  #:use-module (gnu packages mingw)
   #:use-module (gnu packages openldap)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages pulseaudio)
@@ -532,3 +535,33 @@ integrated into the main branch.")
     (synopsis "Implementation of the Windows API (staging branch, WoW64
 version)")
     (supported-systems '("x86_64-linux" "aarch64-linux"))))
+
+(define-public dxvk
+  (package
+    (name "dxvk")
+    (version "1.0.1")
+    (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
+                "0ah9nnlpygb31z67fyml3qqin793jnksz8wyzy5nsiwxnlpxj90q"))))
+    (build-system meson-build-system)
+    ;; TODO: Match arch.
+    (arguments
+     `(#:configure-flags (list "--cross-file"
+                               (string-append (assoc-ref %build-inputs "source")
+                                              "/build-wine64.txt"))))
+    (native-inputs
+     `(("mingw" ,mingw-w64)
+       ("glslang" ,glslang)
+       ("wine" ,wine64)))
+    (synopsis "Vulkan-based D3D11 and D3D10 implementation for Wine")
+    (description "A Vulkan-based translation layer for Direct3D 10/11 which
+allows running 3D applications using Wine.")
+    (supported-systems '("i686-linux" "x86_64-linux"))
+    (license license:zlib)))
-- 
2.21.0