From d60845600565fae25b534eed1270e3fd787e9385 Mon Sep 17 00:00:00 2001
From: Benjamin Saunders <ben.e.saunders@gmail.com>
Date: Sat, 17 Sep 2016 22:44:07 -0700
Subject: [PATCH] shaderc-git: init at 2016-09-08

---
 .../development/compilers/shaderc/default.nix | 31 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 33 insertions(+)
 create mode 100644 pkgs/development/compilers/shaderc/default.nix

diff --git a/pkgs/development/compilers/shaderc/default.nix b/pkgs/development/compilers/shaderc/default.nix
new file mode 100644
index 00000000000..df0c136d05f
--- /dev/null
+++ b/pkgs/development/compilers/shaderc/default.nix
@@ -0,0 +1,31 @@
+{ stdenv, fetchFromGitHub, cmake, glslang, spirv-tools, python }:
+
+stdenv.mkDerivation rec {
+  name = "shaderc-git-${version}";
+  version = "2016-09-08";
+
+  # `vulkan-loader` requires a specific version of `glslang` as specified in
+  # `<vulkan-loader-repo>/glslang_revision`.
+  src = fetchFromGitHub {
+    owner = "google";
+    repo = "shaderc";
+    rev = "e17bb8ba3b8b0b9142b788d988612a40541c54ce";
+    sha256 = "17qfjqkz6j355qi130kixaz51svl09k9b5sfikksgnbmzglzcwki";
+  };
+
+  patchPhase = ''
+    cp -r ${spirv-tools.src} third_party/spirv-tools
+    chmod -R +w third_party/spirv-tools
+    ln -s ${spirv-tools.headers} third_party/spirv-tools/external/spirv-headers
+  '';
+
+  buildInputs = [ cmake glslang python ];
+  enableParallelBuilding = true;
+
+  cmakeFlags = [ "-DSHADERC_SKIP_TESTS=ON" "-DSHADERC_GLSLANG_DIR=${glslang.src}" ];
+
+  meta = with stdenv.lib; {
+    inherit (src.meta) homepage;
+    description = "A collection of tools, libraries and tests for shader compilation.";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e322d1c6351..24d1241cb0a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11775,6 +11775,8 @@ in
 
   sampradaya = callPackage ../data/fonts/sampradaya { };
 
+  shaderc = callPackage ../development/compilers/shaderc { };
+
   shared_mime_info = callPackage ../data/misc/shared-mime-info { };
 
   shared_desktop_ontologies = callPackage ../data/misc/shared-desktop-ontologies { };