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{
description = "VR experiments with OpenXR, Vulkan and Zig";
inputs = {
nixpkgs.url = github:NixOS/nixpkgs/master;
monado-src = {
url = git+https://gitlab.freedesktop.org/monado/monado.git;
flake = false;
};
diligent-core-src = {
url = github:DiligentGraphics/DiligentCore;
flake = false;
};
};
outputs = { self, nixpkgs, monado-src, diligent-core-src }: rec {
packages.x86_64-linux =
with import nixpkgs { system = "x86_64-linux"; };
{
diligent-core = stdenv.mkDerivation {
name = "DiligentCore";
src = diligent-core-src;
nativeBuildInputs = with pkgs; [
cmake clang vulkan-headers mesa
xorg.libxcb xorg.libX11 git python3
];
configurePhase = ''
cat <<EOF >BuildConfig.cmake
function(custom_post_configure_target TARGET)
set_target_properties(''${TARGET} PROPERTIES LINK_OPTIONS -static-libstdc++)
endfunction()
EOF
mkdir build
cd build
cmake .. \
-D CMAKE_INSTALL_PREFIX=install \
-D CMAKE_BUILD_TYPE=RelWithDebInfo \
-D BUILD_CONFIGURATION_FILE=BuildConfig.cmake \
-D DILIGENT_NO_DIRECT3D11=ON \
-D DILIGENT_NO_DIRECT3D12=ON \
-D DILIGENT_NO_OPENGL=ON \
-D DILIGENT_NO_METAL=ON \
-D DILIGENT_NO_GLSLANG=ON \
-D DILIGENT_NO_HLSL=ON \
-D DILIGENT_NO_FORMAT_VALIDATION=ON
'';
buildPhase = ''
make -j$NIX_BUILD_CORES
'';
installPhase = ''
make install
cp -r install/{lib,include} "$out"/
'';
};
monado = stdenv.mkDerivation {
name = "monado";
src = monado-src;
nativeBuildInputs = with pkgs; [
cmake clang vulkan-headers mesa libusb libudev glslang
eigen openhmd wayland-protocols wayland hidapi opencv
zlib pkgconfig libjpeg egl-wayland vulkan-loader python3
];
configurePhase = ''
mkdir build
cd build
cmake ..
'';
buildPhase = ''
make
'';
installPhase = ''
make DESTDIR=. install
mkdir -p $out/etc "$out/bin"
mv var/empty/local/* "$out/"
mv etc/var/empty/local "$out/etc"
substituteInPlace $out/lib/systemd/user/monado.service \
--replace "/var/empty/local" "$out"
substituteInPlace $out/share/openxr/1/openxr_monado.json \
--replace "/var/empty/local" "$out"
'';
};
openxPriments = stdenv.mkDerivation {
name = "openxPriments";
src = self;
buildInputs = [
packages.x86_64-linux.monado
];
nativeBuildInputs = with pkgs; [
vulkan-headers vulkan-loader openxr-loader
gdb zig
];
LD_LIBRARY_PATH = with pkgs; lib.strings.makeLibraryPath [ vulkan-loader stdenv.cc.cc.lib ];
XR_RUNTIME_JSON = "${packages.x86_64-linux.monado}/share/openxr/1/openxr_monado.json";
configurePhase = "";
buildPhase = ''
zig build
'';
installPhase = ''
mkdir -p $out/bin
install -t $out/bin zig-cache/bin/openxPriments
'';
};
};
defaultPackage.x86_64-linux = self.packages.x86_64-linux.openxPriments;
};
}
|
