From 82a44e0d64afb8818ea98d68dc08108885d503c2 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 21 Oct 2019 18:42:24 +0200
Subject: Pull in basics from symlbm_playground

It's time to extract the generator-part of my GPU LBM playground and turn it
into a nice reusable library. The goal is to produce a framework that can be
used to generate collision and streaming programs from symbolic descriptions.

i.e. it should be possible to select a LB model, the desired boundary
conditions as well as a data structure / streaming model and use this
information to automatically generate matching OpenCL / CUDA / C++
programs.
---
 shell.nix | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 shell.nix

(limited to 'shell.nix')

diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..b91c772
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,62 @@
+{ pkgs ? import <nixpkgs> { }, ... }:
+
+pkgs.stdenvNoCC.mkDerivation rec {
+  name = "boltzgen-env";
+  env = pkgs.buildEnv { name = name; paths = buildInputs; };
+
+  buildInputs = let
+    custom-python = let
+      packageOverrides = self: super: {
+        pyopencl = super.pyopencl.overridePythonAttrs(old: rec {
+          buildInputs = with pkgs; [
+            opencl-headers ocl-icd python37Packages.pybind11
+            libGLU_combined
+          ];
+        # Enable OpenGL integration and fix build
+          preBuild = ''
+            python configure.py --cl-enable-gl
+            export HOME=/tmp/pyopencl
+          '';
+        });
+      };
+    in pkgs.python3.override { inherit packageOverrides; };
+
+    pyevtk = pkgs.python3.pkgs.buildPythonPackage rec {
+      pname = "PyEVTK";
+      version = "1.2.1";
+
+      src = pkgs.fetchFromGitHub {
+        owner  = "paulo-herrera";
+        repo   = "PyEVTK";
+        rev    = "v1.2.1";
+        sha256 = "1p2459dqvgakywvy5d31818hix4kic6ks9j4m582ypxyk5wj1ksz";
+      };
+
+      buildInputs = with pkgs.python37Packages; [
+        numpy
+      ];
+
+      doCheck = false;
+    };
+
+    local-python = custom-python.withPackages (python-packages: with python-packages; [
+      numpy
+      sympy
+      pyopencl
+      pyopengl
+      pyrr
+      Mako
+      pyevtk
+    ]);
+
+  in [
+    local-python
+    pkgs.opencl-info
+  ];
+
+  shellHook = ''
+    export NIX_SHELL_NAME="${name}"
+    export PYOPENCL_COMPILER_OUTPUT=1
+    export PYTHONPATH="$PWD/boltzgen:$PYTHONPATH"
+  '';
+}
-- 
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