From 03b7d1be4fddcf5871a9a999e78c1d6ccb8dafd5 Mon Sep 17 00:00:00 2001
From: Vitaliy Shatrov <D0dyBo0D0dyBo0@protonmail.com>
Date: Sun, 12 Apr 2020 11:08:30 +0700
Subject: gnu: Add taisei, and spirv-cross

* gnu/packages/games.scm  (taisei):      new variable
* gnu/packages/vulkan.scm (spirv-cross): new variable
---
 gnu/packages/games.scm  | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
 gnu/packages/vulkan.scm | 48 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 102 insertions(+)

diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 31e1936795..82b47d4643 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -10534,3 +10534,57 @@ and shovers to get to the goal.  Race against the clock to collect coins to
 earn extra balls.  Also included is Neverputt, which is a 3D miniature golf
 game.")  ;thanks to Debian for description
       (license license:gpl2+))))
+
+(define-public taisei
+  (package
+    (name "taisei")
+    (version "1.3.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/taisei-project/"
+                           "taisei/releases/download/v" version
+                           "/taisei-v" version ".tar.xz"))
+       (sha256
+        (base32
+         "11f9mlqmzy1lszwcc1nsbar9q1hs4ml6pbm52hqfd4q0f4x3ln46"))))
+    (build-system meson-build-system)
+    (arguments
+     `(#:build-type "release"  ;comment out for bug-reporting (and cheats)
+       #:configure-flags
+       (list "-Dr_default=gles30"
+             "-Dr_gles20=true"
+             "-Dr_gles30=true"
+             "-Dshader_transpiler=true")))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("python" ,python)
+       ("python-docutils" ,python-docutils)
+       ("python-pygments" ,python-pygments)))
+    (inputs
+     `(("freetype" ,freetype)
+       ("libpng" ,libpng)
+       ("libwebp" ,libwebp)
+       ("libzip" ,libzip)
+       ("mesa" ,mesa)
+       ("openssl" ,openssl)
+       ("opusfile" ,opusfile)
+       ("sdl2" ,sdl2)
+       ("sdl2-mixer" ,sdl2-mixer)
+       ("shaderc" ,shaderc)
+       ("spirv-cross" ,spirv-cross)
+       ("zlib" ,zlib)))
+    (home-page "https://taisei-project.org/")
+    (synopsis "Shoot'em up fangame and libre clone of Touhou Project")
+    (description
+     "The player controls a character (one of three: Good, Bad, and Dead),
+dodges the missiles (lots of it cover the screen, but the character's hitbox
+is very small), and shoot at the adversaries that keep appear on the screen.")
+    (license (list ;;game
+                   license:expat
+                   ;;resources/00-taisei.pkgdir/bgm/
+                   ;;atlas/portraits/
+                   license:cc-by4.0
+                   ;;miscellaneous
+                   license:cc0
+                   license:public-domain))))
diff --git a/gnu/packages/vulkan.scm b/gnu/packages/vulkan.scm
index 6a2c219aac..f8ab357349 100644
--- a/gnu/packages/vulkan.scm
+++ b/gnu/packages/vulkan.scm
@@ -107,6 +107,54 @@ SPIR-V modules.  The project includes an assembler, binary module
 parser,disassembler, validator, and optimizer for SPIR-V.")
     (license license:asl2.0)))
 
+(define-public spirv-cross
+  (package
+    (name "spirv-cross")
+    (version "2020-04-03")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/KhronosGroup/SPIRV-Cross")
+             (commit version)))
+       (sha256
+        (base32
+         "0489s29kqgq20clxqg22y299yxz23p0yjh87yhka705hm9skx4sa"))
+       (file-name (git-file-name name version))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:tests? #f  ;FIXME: Tests fail.
+       #:configure-flags
+       (list "-DSPIRV_CROSS_SHARED=YES")
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'fix-tests-to-find-deps
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "CMakeLists.txt"
+               (((string-append "PATHS "
+                                "\\$\\{CMAKE_CURRENT_SOURCE_DIR\\}"
+                                "/external/glslang-build/output/bin"))
+                (string-append "PATHS "
+                               (assoc-ref inputs "glslang") "/bin")))
+             (substitute* "CMakeLists.txt"
+               (((string-append "PATHS "
+                                "\\$\\{CMAKE_CURRENT_SOURCE_DIR\\}"
+                                "/external/spirv-tools-build/output/bin"))
+                (string-append "PATHS "
+                               (assoc-ref inputs "spirv-tools") "/bin")))
+             #t)))))
+    (native-inputs `(("glslang" ,glslang)
+                     ("python" ,python)
+                     ("spirv-headers" ,spirv-headers)
+                     ("spirv-tools" ,spirv-tools)))
+    (home-page "https://github.com/KhronosGroup/SPIRV-Cross")
+    (synopsis "Parser for and converter of SPIR-V to other shader languages")
+    (description
+     "SPIRV-Cross tries hard to emit readable and clean output from the
+SPIR-V.  The goal is to emit GLSL or MSL that looks like it was written by a
+human and not awkward IR/assembly-like code.")
+    (license license:asl2.0)))
+
 (define-public glslang
   (package
     (name "glslang")
-- 
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