From 5b4cef5b1723825747aeb2f73e5464bc0065108d Mon Sep 17 00:00:00 2001
From: Pierre Neidhardt <mail@ambrevar.xyz>
Date: Mon, 15 Jun 2020 12:45:03 +0200
Subject: gnu: Add dxvk@1.7.

* nongnu/packages/wine.scm (dxvk-1.7): New variable.
---
 nongnu/packages/wine.scm | 60 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/nongnu/packages/wine.scm b/nongnu/packages/wine.scm
index 02523f2..30d1eb8 100644
--- a/nongnu/packages/wine.scm
+++ b/nongnu/packages/wine.scm
@@ -17,10 +17,12 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (nongnu packages wine)
+  #:use-module (ice-9 match)
   #:use-module ((guix licenses) :prefix license:)
   #:use-module (guix packages)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system trivial)
+  #:use-module (guix build-system copy)
   #:use-module (guix download)
   #:use-module (guix git-download)
   #:use-module (gnu packages base)
@@ -76,3 +78,61 @@ It has a menu of supported games/apps for which it can do all the workarounds
 automatically.  It also allows the installation of missing nonfree DLLs and
 tweaking of various Wine settings.")
     (license license:lgpl2.1)))
+
+(define-public dxvk-1.7 ; Upstream Guix dxvk does not build anymore because of missing mingw compiler.
+  (package
+    (name "dxvk")
+    (version "1.7")
+    (home-page "https://github.com/doitsujin/dxvk/")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://github.com/doitsujin/dxvk/releases/download/v"
+                    version "/dxvk-" version ".tar.gz") )
+              (sha256
+               (base32
+                "18f7lj6b08abywidsq3s98kiwwn1jbbjzg7clm8bs93cj0wq5mv7"))))
+    (build-system copy-build-system)
+    (arguments
+     `(#:install-plan
+       `(,,@(if (string=? (or (%current-target-system) (%current-system))
+                           "x86_64-linux")
+               ''("x64" "share/dxvk/lib")
+               '())
+         ("x32" ,,(if (string=? (or (%current-target-system) (%current-system))
+                                "i686-linux")
+                       "share/dxvk/lib"
+                       "share/dxvk/lib32"))
+         ("setup_dxvk.sh" "bin/setup_dxvk"))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'fix-setup
+           (lambda* (#:key inputs outputs system #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (libs "../share/dxvk")
+                    (wine (assoc-ref inputs "wine")))
+               (substitute* (string-append out "/bin/setup_dxvk")
+                 (("wine=\"wine\"")
+                  (string-append "wine=" wine "/bin/wine"))
+                 (("wine64=\"wine64\"")
+                  (string-append "wine64=" wine "/bin/wine64"))
+                 (("wineboot=\"wineboot\"")
+                  (string-append "wineboot=" wine "/bin/wineboot"))
+                 (("\"\\$wine_path/\\$wine\"")
+                  "\"$wine_path/wine\"")
+                 (("x32") (if (string=? system "x86_64-linux")
+                              (string-append libs "/lib32")
+                              (string-append libs "/lib")))
+                 (("x64") (string-append libs "/lib")))))))))
+    (inputs
+     `(("wine" ,(match (or (%current-target-system)
+                           (%current-system))
+                  ("x86_64-linux" wine64-staging)
+                  (_ 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 '("i686-linux" "x86_64-linux"))
+    (license license:zlib)))
-- 
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