>From 959496bd6461474a30ce0e28ee0f6765a7523671 Mon Sep 17 00:00:00 2001
From: Carlo Zancanaro <address@hidden>
Date: Sun, 11 Aug 2019 21:25:14 +1000
Subject: [PATCH] gnu: Add opensubdiv.

* gnu/packages/graphics.scm (opensubdiv): New variable.
---
 gnu/packages/graphics.scm | 43 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/gnu/packages/graphics.scm b/gnu/packages/graphics.scm
index bc3a418e99..11ea550039 100644
--- a/gnu/packages/graphics.scm
+++ b/gnu/packages/graphics.scm
@@ -12,6 +12,7 @@
 ;;; Copyright © 2018 Alex Kost <address@hidden>
 ;;; Copyright © 2018 Kei Kebreau <address@hidden>
 ;;; Copyright © 2019 Mark H Weaver <address@hidden>
+;;; Copyright © 2019 Carlo Zancanaro <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -77,6 +78,48 @@
   #:use-module (guix packages)
   #:use-module (guix utils))
 
+(define-public opensubdiv
+  (package
+    (name "opensubdiv")
+    (version "3.4.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/PixarAnimationStudios/OpenSubdiv/archive/v3_4_0.tar.gz"))
+              (sha256
+               (base32
+                "1r3ki5lql9i71c775n6d8gxix4svg9f17ck0i58wfw9kz29b4cnr"))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:phases (modify-phases %standard-phases
+                  (add-before 'configure 'set-glew-location
+                    (lambda* (#:key inputs #:allow-other-keys)
+                      (setenv "GLEW_LOCATION" (assoc-ref inputs "glew"))
+                      #t))
+                  (add-before 'check 'start-xorg-server
+                    (lambda* (#:key inputs #:allow-other-keys)
+                      ;; The test suite requires a running X server.
+                      (system (string-append (assoc-ref inputs "xorg-server")
+                                             "/bin/Xvfb :1 &"))
+                      (setenv "DISPLAY" ":1")
+                      #t)))))
+    (native-inputs
+     `(("xorg-server" ,xorg-server)))
+    (inputs
+     `(("glew" ,glew)
+       ("libxrandr" ,libxrandr)
+       ("libxcursor" ,libxcursor)
+       ("libxinerama" ,libxinerama)
+       ("libxi" ,libxi)
+       ("zlib" ,zlib)
+       ("glfw" ,glfw)))
+    (home-page "http://graphics.pixar.com/opensubdiv/")
+    (synopsis "High performance subdivision surface evaluation")
+    (description
+     "OpenSubdiv is a set of libraries that implement high performance
+subdivision surface (subdiv) evaluation on massively parallel CPU and GPU
+architectures.")
+    (license license:asl2.0)))
+
 (define-public blender
   (package
     (name "blender")
-- 
2.22.0