gnu/packages/gl.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2013, 2015 Andreas Enge <andreas@enge.fr>
   3 ;;; Copyright © 2013 Joshua Grant <tadni@riseup.net>
   4 ;;; Copyright © 2014, 2016 David Thompson <davet@gnu.org>
   5 ;;; Copyright © 2014, 2015, 2016, 2017 Mark H Weaver <mhw@netris.org>
   6 ;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
   7 ;;; Copyright © 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
   8 ;;; Copyright © 2016 David Thompson <davet@gnu.org>
   9 ;;; Copyright © 2017 Efraim Flashner <efraim@flashner.co.il>
  10 ;;; Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>
  11 ;;;
  12 ;;; This file is part of GNU Guix.
  13 ;;;
  14 ;;; GNU Guix is free software; you can redistribute it and/or modify it
  15 ;;; under the terms of the GNU General Public License as published by
  16 ;;; the Free Software Foundation; either version 3 of the License, or (at
  17 ;;; your option) any later version.
  18 ;;;
  19 ;;; GNU Guix is distributed in the hope that it will be useful, but
  20 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 ;;; GNU General Public License for more details.
  23 ;;;
  24 ;;; You should have received a copy of the GNU General Public License
  25 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  26
  27 (define-module (gnu packages gl)
  28   #:use-module (gnu packages)
  29   #:use-module (gnu packages autotools)
  30   #:use-module (gnu packages bison)
  31   #:use-module (gnu packages compression)
  32   #:use-module (gnu packages documentation)
  33   #:use-module (gnu packages flex)
  34   #:use-module (gnu packages fontutils)
  35   #:use-module (gnu packages freedesktop)
  36   #:use-module (gnu packages gettext)
  37   #:use-module (gnu packages guile)
  38   #:use-module (gnu packages image)
  39   #:use-module (gnu packages linux)
  40   #:use-module (gnu packages llvm)
  41   #:use-module (gnu packages pkg-config)
  42   #:use-module (gnu packages python)
  43   #:use-module (gnu packages video)
  44   #:use-module (gnu packages xdisorg)
  45   #:use-module (gnu packages xml)
  46   #:use-module (gnu packages xorg)
  47   #:use-module (guix download)
  48   #:use-module (guix build utils)
  49   #:use-module (guix build-system gnu)
  50   #:use-module (guix build-system cmake)
  51   #:use-module ((guix licenses) #:prefix license:)
  52   #:use-module (guix packages)
  53   #:use-module (guix utils)
  54   #:use-module (ice-9 match))
  55
  56 (define-public glu
  57   (package
  58     (name "glu")
  59     (version "9.0.0")
  60     (source (origin
  61               (method url-fetch)
  62               (uri (string-append "ftp://ftp.freedesktop.org/pub/mesa/glu/glu-"
  63                                   version ".tar.gz"))
  64               (sha256
  65                (base32
  66                 "0r72yyhj09x3krn3kn629jqbwyq50ji8w5ri2pn6zwrk35m4g1s3"))))
  67     (build-system gnu-build-system)
  68     (propagated-inputs
  69      `(("mesa" ,mesa))) ; according to glu.pc
  70     (home-page "http://www.opengl.org/archives/resources/faq/technical/glu.htm")
  71     (synopsis "Mesa OpenGL Utility library")
  72     (description
  73      "GLU, or OpenGL Utility Library provides some higher-level functionality
  74 not provided by just OpenGL itself.  Some of GLU's Features
  75 include: Scaling of 2D images and creation of mipmap pyramids,
  76 Transformation of object coordinates into device coordinates and
  77 vice versa, Support for NURBS surfaces, Support for tessellation
  78 of concave or bow tie polygonal primitives, Specialty transformation
  79 matrices for creating perspective and orthographic projections,
  80 positioning a camera, and selection/picking, Rendering of disk,
  81 cylinder, and sphere primitives, Interpreting OpenGL error values
  82 as ASCII text.")
  83     (license (license:x11-style "http://directory.fsf.org/wiki/License:SGIFreeBv2"))))
  84
  85 (define-public freeglut
  86   (package
  87     (name "freeglut")
  88     (version "3.0.0")
  89     (source (origin
  90               (method url-fetch)
  91               (uri (string-append
  92                     "mirror://sourceforge/freeglut/freeglut/"
  93                     version "/freeglut-" version ".tar.gz"))
  94               (sha256
  95                (base32
  96                 "18knkyczzwbmyg8hr4zh8a1i5ga01np2jzd1rwmsh7mh2n2vwhra"))))
  97     (build-system cmake-build-system)
  98     (arguments '(#:tests? #f)) ; no test target
  99     (inputs `(("mesa" ,mesa)
 100               ("libx11" ,libx11)
 101               ("libxi" ,libxi)
 102               ("libxrandr" ,libxrandr)
 103               ("libxxf86vm" ,libxxf86vm)
 104               ("inputproto" ,inputproto)
 105               ("xinput" ,xinput)))
 106     (propagated-inputs
 107      ;; Headers from Mesa and GLU are needed.
 108      `(("glu" ,glu)
 109        ("mesa" ,mesa)))
 110     (home-page "http://freeglut.sourceforge.net/")
 111     (synopsis "Alternative to the OpenGL Utility Toolkit (GLUT)")
 112     (description
 113      "Freeglut is a completely Free/OpenSourced alternative to
 114 the OpenGL Utility Toolkit (GLUT) library.  GLUT was originally
 115 written by Mark Kilgard to support the sample programs in the
 116 second edition OpenGL 'RedBook'.  Since then, GLUT has been used
 117 in a wide variety of practical applications because it is simple,
 118 widely available and highly portable.
 119
 120 GLUT (and hence freeglut) allows the user to create and manage windows
 121 containing OpenGL contexts on a wide range of platforms and also read
 122 the mouse, keyboard and joystick functions.  Freeglut is released under
 123 the X-Consortium license.")
 124     (license license:x11)))
 125
 126 ;; Needed for "kiki".
 127 (define-public freeglut-2.8
 128   (package (inherit freeglut)
 129     (name "freeglut")
 130     (version "2.8.1")
 131     (source (origin
 132               (method url-fetch)
 133               (uri (string-append
 134                     "mirror://sourceforge/freeglut/freeglut/"
 135                     version "/freeglut-" version ".tar.gz"))
 136               (sha256
 137                (base32
 138                 "16lrxxxd9ps9l69y3zsw6iy0drwjsp6m26d1937xj71alqk6dr6x"))))
 139     (build-system gnu-build-system)))
 140
 141 (define-public ftgl
 142   (package
 143     (name "ftgl")
 144     (version "2.1.3-rc5")
 145     (source (origin
 146               (method url-fetch)
 147               (uri (string-append
 148                     "mirror://sourceforge/ftgl/FTGL%20Source/2.1.3~rc5/"
 149                     "ftgl-" version ".tar.gz"))
 150               (sha256
 151                (base32
 152                 "0nsn4s6vnv5xcgxcw6q031amvh2zfj2smy1r5mbnjj2548hxcn2l"))))
 153     (build-system gnu-build-system)
 154     ;; The pkg-config file lists "freetype2" as Requires.private.
 155     (propagated-inputs `(("freetype" ,freetype)))
 156     (inputs `(("libx11" ,libx11)
 157               ("mesa" ,mesa)
 158               ("glu" ,glu)))
 159     (home-page "http://ftgl.sourceforge.net")
 160     (synopsis "Font rendering library for OpenGL applications")
 161     (description
 162      "FTGL is a font rendering library for OpenGL applications.  Supported
 163 rendering modes are: Bitmaps, Anti-aliased pixmaps, Texture maps, Outlines,
 164 Polygon meshes, and Extruded polygon meshes.")
 165     (license license:x11)))
 166
 167 (define-public s2tc
 168   (package
 169     (name "s2tc")
 170     (version "1.0")
 171     (source
 172      (origin
 173        (method url-fetch)
 174        (uri (string-append
 175              "https://github.com/divVerent/s2tc/archive/v" version ".tar.gz"))
 176        (sha256
 177         (base32 "0ibfdib277fhbqvxzan0bmglwnsl1y1rw2g8skvz82l1sfmmn752"))
 178        (file-name (string-append name "-" version ".tar.gz"))))
 179     (build-system gnu-build-system)
 180     (native-inputs
 181      `(("autoconf" ,autoconf)
 182        ("automake" ,automake)
 183        ("libtool" ,libtool)))
 184     (inputs
 185      `(("mesa-headers" ,mesa-headers)))
 186     (arguments
 187      '(#:phases
 188        (modify-phases %standard-phases
 189          (add-after 'unpack 'autogen
 190           (lambda _
 191             (zero? (system* "sh" "autogen.sh")))))))
 192     (home-page "https://github.com/divVerent/s2tc")
 193     (synopsis "S3 Texture Compression implementation")
 194     (description
 195      "S2TC is a patent-free implementation of S3 Texture Compression (S3TC,
 196 also known as DXTn or DXTC) for Mesa.")
 197     (license license:expat)))
 198
 199 ;;; Mesa needs LibVA headers to build its Gallium-based VA API implementation;
 200 ;;; LibVA itself depends on Mesa.  We use the following to solve the circular
 201 ;;; dependency.
 202 (define libva-without-mesa
 203   ;; Delay to work around circular import problem.
 204   (delay
 205     (package
 206       (inherit libva)
 207       (name "libva-without-mesa")
 208       (inputs (alist-delete "mesa" (package-inputs libva)))
 209       (arguments
 210        (strip-keyword-arguments
 211         '(#:make-flags)
 212         (substitute-keyword-arguments (package-arguments libva)
 213           ((#:configure-flags flags)
 214            '(list "--disable-glx" "--disable-egl"))))))))
 215
 216 (define-public mesa
 217   (package
 218     (name "mesa")
 219     (version "17.0.6")
 220     (source
 221       (origin
 222         (method url-fetch)
 223         (uri (list (string-append "ftp://ftp.freedesktop.org/pub/mesa/"
 224                                   "mesa-" version ".tar.xz")
 225                    (string-append "ftp://ftp.freedesktop.org/pub/mesa/"
 226                                   version "/mesa-" version ".tar.xz")))
 227         (sha256
 228          (base32
 229           "17d60jjzg4ddm95gk2cqx0xz6b9anmmz6ax4majwr3gis2yg7v49"))
 230         (patches
 231          (search-patches "mesa-fix-32bit-test-failures.patch"
 232                          "mesa-wayland-egl-symbols-check-mips.patch"
 233                          "mesa-skip-disk-cache-test.patch"))))
 234     (build-system gnu-build-system)
 235     (propagated-inputs
 236       `(("glproto" ,glproto)
 237         ;; The following are in the Requires.private field of gl.pc.
 238         ("libdrm" ,libdrm)
 239         ("libvdpau" ,libvdpau)
 240         ("libx11" ,libx11)
 241         ("libxdamage" ,libxdamage)
 242         ("libxfixes" ,libxfixes)
 243         ("libxshmfence" ,libxshmfence)
 244         ("libxxf86vm" ,libxxf86vm)))
 245     (inputs
 246       `(("expat" ,expat)
 247         ("dri2proto" ,dri2proto)
 248         ("dri3proto" ,dri3proto)
 249         ("libva" ,(force libva-without-mesa))
 250         ("libxml2" ,libxml2)
 251         ;; TODO: Add 'libxml2-python' for OpenGL ES 1.1 and 2.0 support
 252         ("libxvmc" ,libxvmc)
 253         ,@(match (%current-system)
 254             ((or "x86_64-linux" "i686-linux")
 255              `(("llvm" ,llvm)))
 256             (_
 257              `()))
 258         ("makedepend" ,makedepend)
 259         ("presentproto" ,presentproto)
 260         ("s2tc" ,s2tc)
 261         ("wayland" ,wayland)))
 262     (native-inputs
 263       `(("pkg-config" ,pkg-config)
 264         ("python" ,python-2)))
 265     (arguments
 266      `(#:configure-flags
 267        '(,@(match (%current-system)
 268              ((or "armhf-linux" "aarch64-linux")
 269               '("--with-gallium-drivers=freedreno,nouveau,r300,r600,svga,swrast,vc4,virgl"))
 270              (_
 271               '("--with-gallium-drivers=i915,nouveau,r300,r600,svga,swrast,virgl")))
 272          ;; Enable various optional features.  TODO: opencl requires libclc,
 273          ;; omx requires libomxil-bellagio
 274          "--with-egl-platforms=x11,drm,wayland"
 275          "--enable-glx-tls"        ;Thread Local Storage, improves performance
 276          ;; "--enable-opencl"
 277          ;; "--enable-omx"
 278          "--enable-osmesa"
 279          "--enable-xa"
 280          ;; features required by wayland
 281          "--enable-gles2"
 282          "--enable-gbm"
 283          "--enable-shared-glapi"
 284          ;; Without floating point texture support, drivers such as Nouveau
 285          ;; are stuck at OpenGL 2.1 instead of OpenGL 3.0+.
 286          "--enable-texture-float"
 287
 288          ;; Also enable the tests.
 289          "--enable-gallium-tests"
 290
 291          ;; on non-intel systems, drop i915 and i965
 292          ;; from the default dri drivers
 293          ,@(match (%current-system)
 294              ((or "x86_64-linux" "i686-linux")
 295               '("--with-dri-drivers=i915,i965,nouveau,r200,radeon,swrast"
 296                 "--enable-gallium-llvm")) ; default is x86/x86_64 only
 297              (_
 298               '("--with-dri-drivers=nouveau,r200,radeon,swrast"))))
 299        #:phases
 300        (modify-phases %standard-phases
 301          (add-after
 302            'unpack 'patch-create_test_cases
 303            (lambda _
 304              (substitute* "src/compiler/glsl/tests/lower_jumps/create_test_cases.py"
 305                (("/usr/bin/env bash") (which "bash")))
 306              (substitute* "src/intel/genxml/gen_pack_header.py"
 307                (("/usr/bin/env python2") (which "python")))
 308              #t))
 309          (add-before
 310            'build 'fix-dlopen-libnames
 311            (lambda* (#:key inputs outputs #:allow-other-keys)
 312              (let ((s2tc (assoc-ref inputs "s2tc"))
 313                    (out (assoc-ref outputs "out")))
 314                ;; Remain agnostic to .so.X.Y.Z versions while doing
 315                ;; the substitutions so we're future-safe.
 316                (substitute*
 317                    '("src/gallium/auxiliary/util/u_format_s3tc.c"
 318                      "src/mesa/main/texcompress_s3tc.c")
 319                  (("\"libtxc_dxtn\\.so")
 320                   (string-append "\"" s2tc "/lib/libtxc_dxtn.so")))
 321                (substitute* "src/glx/dri_common.c"
 322                  (("dlopen\\(\"libGL\\.so")
 323                   (string-append "dlopen(\"" out "/lib/libGL.so")))
 324                (substitute* "src/egl/drivers/dri2/egl_dri2.c"
 325                  (("\"libglapi\\.so")
 326                   (string-append "\"" out "/lib/libglapi.so")))
 327                (substitute* "src/gbm/main/backend.c"
 328                  ;; No need to patch the gbm_gallium_drm.so reference;
 329                  ;; it's never installed since Mesa removed its
 330                  ;; egl_gallium support.
 331                  (("\"gbm_dri\\.so")
 332                   (string-append "\"" out "/lib/dri/gbm_dri.so")))
 333                #t))))))
 334     (home-page "https://mesa3d.org/")
 335     (synopsis "OpenGL implementation")
 336     (description "Mesa is a free implementation of the OpenGL specification -
 337 a system for rendering interactive 3D graphics.  A variety of device drivers
 338 allows Mesa to be used in many different environments ranging from software
 339 emulation to complete hardware acceleration for modern GPUs.")
 340     (license license:x11)))
 341
 342 (define-public mesa-headers
 343   (package
 344     (inherit mesa)
 345     (name "mesa-headers")
 346     (propagated-inputs '())
 347     (inputs '())
 348     (native-inputs '())
 349     (arguments
 350      '(#:phases
 351        (modify-phases %standard-phases
 352          (delete 'configure)
 353          (delete 'build)
 354          (delete 'check)
 355          (replace 'install
 356                   (lambda* (#:key outputs #:allow-other-keys)
 357                     (copy-recursively "include" (string-append
 358                                                  (assoc-ref outputs "out")
 359                                                  "/include")))))))))
 360
 361 ;;; The mesa-demos distribution contains non-free files, many files with no
 362 ;;; clear license information, and many demos that aren't useful for most
 363 ;;; people, so we just use this for the mesa-utils package below, and possibly
 364 ;;; other packages in the future.  This is modeled after Debian's solution.
 365 (define (mesa-demos-source version)
 366   (origin
 367     (method url-fetch)
 368     (uri (string-append "ftp://ftp.freedesktop.org/pub/mesa/demos/" version
 369                         "/mesa-demos-" version ".tar.bz2"))
 370     (sha256 (base32 "1vqb7s5m3fcg2csbiz45mha1pys2xx6rhw94fcyvapqdpm5iawy1"))))
 371
 372 (define-public mesa-utils
 373   (package
 374     (name "mesa-utils")
 375     (version "8.3.0")
 376     (source (mesa-demos-source version))
 377     (build-system gnu-build-system)
 378     (inputs
 379      `(("mesa" ,mesa)
 380        ("glut" ,freeglut)
 381        ("glew" ,glew)))
 382     (native-inputs
 383      `(("pkg-config" ,pkg-config)))
 384     (arguments
 385      '(#:phases
 386        (modify-phases %standard-phases
 387          (replace
 388           'install
 389           (lambda* (#:key outputs #:allow-other-keys)
 390             (let ((out (assoc-ref outputs "out")))
 391               (mkdir-p (string-append out "/bin"))
 392               (for-each
 393                (lambda (file)
 394                  (copy-file file (string-append out "/bin/" (basename file))))
 395                '("src/xdemos/glxdemo" "src/xdemos/glxgears"
 396                  "src/xdemos/glxinfo" "src/xdemos/glxheads"))))))))
 397     (home-page "http://mesa3d.org/")
 398     (synopsis "Utility tools for Mesa")
 399     (description
 400      "The mesa-utils package contains several utility tools for Mesa: glxdemo,
 401 glxgears, glxheads, and glxinfo.")
 402     ;; glxdemo is public domain; others expat.
 403     (license (list license:expat license:public-domain))))
 404
 405 (define-public glew
 406   (package
 407     (name "glew")
 408     (version "2.0.0")
 409     (source (origin
 410               (method url-fetch)
 411               (uri (string-append "mirror://sourceforge/glew/glew/" version
 412                                   "/glew-" version ".tgz"))
 413               (sha256
 414                (base32
 415                 "0r37fg2s1f0jrvwh6c8cz5x6v4wqmhq42qm15cs9qs349q5c6wn5"))
 416               (modules '((guix build utils)))
 417               (snippet
 418                '(substitute* "config/Makefile.linux"
 419                   (("= cc") "= gcc")
 420                   (("/lib64") "/lib")))))
 421     (build-system gnu-build-system)
 422     (arguments
 423      '(#:phases (alist-delete 'configure %standard-phases)
 424        #:make-flags (list (string-append "GLEW_PREFIX="
 425                                          (assoc-ref %outputs "out"))
 426                           (string-append "GLEW_DEST="
 427                                          (assoc-ref %outputs "out")))
 428        #:tests? #f))                              ;no 'check' target
 429     (inputs
 430      `(("libxi" ,libxi)
 431        ("libxmu" ,libxmu)
 432        ("libx11" ,libx11)
 433        ("mesa" ,mesa)))
 434
 435     ;; <GL/glew.h> includes <GL/glu.h>.
 436     (propagated-inputs `(("glu" ,glu)))
 437
 438     (home-page "http://glew.sourceforge.net/")
 439     (synopsis "OpenGL extension loading library for C and C++")
 440     (description
 441      "The OpenGL Extension Wrangler Library (GLEW) is a C/C++ extension
 442 loading library.  GLEW provides efficient run-time mechanisms for determining
 443 which OpenGL extensions are supported on the target platform.  OpenGL core and
 444 extension functionality is exposed in a single header file.")
 445     (license license:bsd-3)))
 446
 447 (define-public guile-opengl
 448   (package
 449     (name "guile-opengl")
 450     (version "0.1.0")
 451     (source (origin
 452              (method url-fetch)
 453              (uri (string-append "mirror://gnu/guile-opengl/guile-opengl-"
 454                                  version ".tar.gz"))
 455              (sha256
 456               (base32
 457                "13qfx4xh8baryxqrv986l848ygd0piqwm6s2s90pxk9c0m9vklim"))))
 458     (build-system gnu-build-system)
 459     (native-inputs `(("pkg-config" ,pkg-config)))
 460     (inputs `(("guile" ,guile-2.2)
 461               ("mesa" ,mesa)
 462               ("glu" ,glu)
 463               ("freeglut" ,freeglut)))
 464     (arguments
 465      '(#:phases (modify-phases %standard-phases
 466                  (add-after 'configure 'patch-makefile
 467                    (lambda _
 468                      ;; Install compiled Guile files in the expected place.
 469                      (substitute* '("Makefile")
 470                        (("^godir = .*$")
 471                         "godir = $(moddir)\n"))))
 472                  (add-before 'build 'patch-dynamic-link
 473                    (lambda* (#:key inputs outputs #:allow-other-keys)
 474                      (define (dynamic-link-substitute file lib input)
 475                        (substitute* file
 476                          (("dynamic-link \"lib([a-zA-Z]+)\"" _ lib)
 477                           (string-append "dynamic-link \""
 478                                          (assoc-ref inputs input)
 479                                          "/lib/lib" lib "\""))))
 480                      ;; Replace dynamic-link calls for libGL, libGLU, and
 481                      ;; libglut with absolute paths to the store.
 482                      (dynamic-link-substitute "glx/runtime.scm" "GL" "mesa")
 483                      (dynamic-link-substitute "glu/runtime.scm" "GLU" "glu")
 484                      (dynamic-link-substitute "glut/runtime.scm" "glut"
 485                                               "freeglut"))))))
 486     (home-page "https://gnu.org/s/guile-opengl")
 487     (synopsis "Guile binding for the OpenGL graphics API")
 488     (description
 489      "Guile-OpenGL is a library for Guile that provides bindings to the
 490 OpenGL graphics API.")
 491     (license license:lgpl3+)))
 492
 493 (define-public libepoxy
 494   (package
 495     (name "libepoxy")
 496     (version "1.4.1")
 497     (source (origin
 498               (method url-fetch)
 499               (uri (string-append
 500                     "https://github.com/anholt/libepoxy/releases/download/"
 501                     version "/libepoxy-" version ".tar.xz"))
 502               (sha256
 503                (base32
 504                 "19hsyap2p0sflj75ycf4af9bsp453bamymbcgnmrphigabsspil8"))))
 505     (arguments
 506      `(#:phases
 507        (modify-phases %standard-phases
 508          (add-before
 509            'configure 'patch-paths
 510            (lambda* (#:key inputs #:allow-other-keys)
 511              (let ((python (assoc-ref inputs "python"))
 512                    (mesa (assoc-ref inputs "mesa")))
 513                (substitute* "src/gen_dispatch.py"
 514                  (("/usr/bin/env python") python))
 515                ;; Add support for aarch64, see upstream:
 516                ;; https://github.com/anholt/libepoxy/pull/114
 517                (substitute* "test/dlwrap.c"
 518                  (("GLIBC_2.4") "GLIBC_2.17\", \"GLIBC_2.4"))
 519                (substitute* (find-files "." "\\.[ch]$")
 520                  (("libGL.so.1") (string-append mesa "/lib/libGL.so.1"))
 521                  (("libEGL.so.1") (string-append mesa "/lib/libEGL.so.1")))
 522                #t))))))
 523     (build-system gnu-build-system)
 524     (native-inputs
 525      `(("pkg-config" ,pkg-config)
 526        ("python" ,python)))
 527     (inputs
 528      `(("mesa" ,mesa)))
 529     (home-page "https://github.com/anholt/libepoxy/")
 530     (synopsis "A library for handling OpenGL function pointer management")
 531     (description
 532      "A library for handling OpenGL function pointer management.")
 533     (license license:x11)))
 534
 535 (define-public soil
 536   (package
 537     (name "soil")
 538     (version "1.0.7")
 539     (source (origin
 540               (method url-fetch)
 541               ;; No versioned archive available.
 542               (uri "http://www.lonesock.net/files/soil.zip")
 543               (sha256
 544                (base32
 545                 "00gpwp9dldzhsdhksjvmbhsd2ialraqbv6v6dpikdmpncj6mnc52"))))
 546     (build-system gnu-build-system)
 547     (arguments
 548      '(#:tests? #f ; no tests
 549        #:phases (modify-phases %standard-phases
 550                   (delete 'configure)
 551                   (add-before 'build 'init-build
 552                     (lambda* (#:key outputs #:allow-other-keys)
 553                       (let ((out (assoc-ref outputs "out")))
 554                         (setenv "CFLAGS" "-fPIC") ; needed for shared library
 555                         ;; Use alternate Makefile
 556                         (copy-file "projects/makefile/alternate Makefile.txt"
 557                                    "src/Makefile")
 558                         (chdir "src")
 559                         (substitute* '("Makefile")
 560                           (("INCLUDEDIR = /usr/include/SOIL")
 561                            (string-append "INCLUDEDIR = " out "/include/SOIL"))
 562                           (("LIBDIR = /usr/lib")
 563                            (string-append "LIBDIR = " out "/lib"))
 564                           ;; Remove these flags from 'install' commands.
 565                           (("-o root -g root") ""))))))))
 566     (native-inputs
 567      `(("unzip" ,unzip)))
 568     (inputs
 569      `(("mesa" ,mesa)))
 570     (home-page "http://www.lonesock.net/soil.html")
 571     (synopsis "OpenGL texture loading library")
 572     (description
 573      "SOIL is a tiny C library used primarily for uploading textures into
 574 OpenGL.")
 575     (license license:public-domain)))
 576
 577 (define-public glfw
 578   (package
 579     (name "glfw")
 580     (version "3.2.1")
 581     (source (origin
 582               (method url-fetch)
 583               (uri (string-append "https://github.com/glfw/glfw"
 584                                   "/releases/download/" version
 585                                   "/glfw-" version ".zip"))
 586               (sha256
 587                (base32
 588                 "09kk5yc1zhss9add8ryqrngrr16hdmc94rszgng135bhw09mxmdp"))))
 589     (build-system cmake-build-system)
 590     (arguments
 591      '(#:tests? #f ; no test target
 592        #:configure-flags '("-DBUILD_SHARED_LIBS=ON")))
 593     (native-inputs
 594      `(("doxygen" ,doxygen)
 595        ("unzip" ,unzip)))
 596     (propagated-inputs
 597      `(("mesa" ,mesa)                             ;included in public headers
 598
 599        ;; These are in 'Requires.private' of 'glfw3.pc'.
 600        ("libx11" ,libx11)
 601        ("libxrandr" ,libxrandr)
 602        ("libxinerama" ,libxinerama)
 603        ("libxcursor" ,libxcursor)
 604        ("libxxf86vm" ,libxxf86vm)))
 605     (home-page "http://www.glfw.org")
 606     (synopsis "OpenGL application development library")
 607     (description
 608      "GLFW is a library for OpenGL, OpenGL ES and Vulkan development for
 609 desktop computers.  It provides a simple API for creating windows, contexts
 610 and surfaces, receiving input and events.")
 611     (license license:zlib)))
 612
 613 (define-public nanovg-for-extempore
 614   (package
 615     (name "nanovg-for-extempore")
 616     (version "0.7.1")
 617     (source (origin
 618               (method url-fetch)
 619               (uri (string-append "https://github.com/extemporelang/nanovg/"
 620                                   "archive/"  version ".tar.gz"))
 621               (file-name (string-append name "-" version ".tar.gz"))
 622               (sha256
 623                (base32
 624                 "0ivs1sagq19xiw8jxd9f8w2b39svi0n9hrbmdvckwvqg95r8701g"))))
 625     (build-system cmake-build-system)
 626     (arguments `(#:tests? #f)) ; no tests included
 627     (inputs
 628      `(("mesa" ,mesa)))
 629     ;; Extempore refuses to build on architectures other than x86_64
 630     (supported-systems '("x86_64-linux"))
 631     (home-page "https://github.com/extemporelang/nanovg")
 632     (synopsis "2D vector drawing library on top of OpenGL")
 633     (description "NanoVG is small antialiased vector graphics rendering
 634 library for OpenGL.  It has lean API modeled after HTML5 canvas API.  It is
 635 aimed to be a practical and fun toolset for building scalable user interfaces
 636 and visualizations.")
 637     (license license:zlib)))
 638
 639 (define-public gl2ps
 640   (package
 641     (name "gl2ps")
 642     (version "1.3.9")
 643     (source
 644      (origin
 645        (method url-fetch)
 646        (uri (string-append
 647              "http://geuz.org/gl2ps/src/gl2ps-"
 648              version ".tgz"))
 649        (sha256
 650         (base32
 651          "0h1nrhmkc4qjw2ninwpj2zbgwhc0qg6pdhpsibbvry0d2bzhns4a"))))
 652     (build-system cmake-build-system)
 653     (inputs
 654      `(("libpng" ,libpng)
 655        ("mesa" ,mesa)
 656        ("zlib" ,zlib)))
 657     (arguments
 658      `(#:tests? #f))  ;; no tests
 659     (home-page "http://www.geuz.org/gl2ps/")
 660     (synopsis "OpenGL to PostScript printing library")
 661     (description "GL2PS is a C library providing high quality vector
 662 output for any OpenGL application.  GL2PS uses sorting algorithms
 663 capable of handling intersecting and stretched polygons, as well as
 664 non-manifold objects.  GL2PS provides many features including advanced
 665 smooth shading and text rendering, culling of invisible primitives and
 666 mixed vector/bitmap output.")
 667     (license (list license:lgpl2.0+
 668                    (license:fsf-free "http://www.geuz.org/gl2ps/COPYING.GL2PS"
 669                                      "GPL-incompatible copyleft license")))))