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{ lib, stdenv, fetchgit, python3, cmake, jq, libX11, libXext, zlib }:
stdenv.mkDerivation rec {
pname = "swiftshader";
version = "2020-11-06";
src = fetchgit {
url = "https://swiftshader.googlesource.com/SwiftShader";
rev = "4ed9d3498dcffa987acba1a8007ff8dec336f263";
sha256 = "1gz2zflfacxf34s78djddf93brn9kyxj4byc4p2ip1pin43lh2lg";
};
nativeBuildInputs = [ cmake python3 jq ];
buildInputs = [ libX11 libXext zlib ];
env.NIX_CFLAGS_COMPILE = toString [
# Needed with GCC 12
"-Wno-error=array-bounds"
"-Wno-error=uninitialized"
];
# Make sure we include the drivers and icd files in the output as the cmake
# generated install command only puts in the spirv-tools stuff.
installPhase = ''
runHook preInstall
#
# Vulkan driver
#
vk_so_path="$out/lib/libvk_swiftshader.so"
mkdir -p "$(dirname "$vk_so_path")"
mv Linux/libvk_swiftshader.so "$vk_so_path"
vk_icd_json="$out/share/vulkan/icd.d/vk_swiftshader_icd.json"
mkdir -p "$(dirname "$vk_icd_json")"
jq ".ICD.library_path = \"$vk_so_path\"" <Linux/vk_swiftshader_icd.json >"$vk_icd_json"
#
# GL driver
#
gl_so_path="$out/lib/libEGL.so"
mkdir -p "$(dirname "$gl_so_path")"
mv Linux/libEGL.so "$gl_so_path"
gl_icd_json="$out/share/glvnd/egl_vendor.d/swiftshader.json"
mkdir -p "$(dirname "$gl_icd_json")"
cat >"$gl_icd_json" <<EOF
{
"file_format_version" : "1.0.0",
"ICD" : {
"library_path" : "$gl_so_path"
}
}
EOF
runHook postInstall
'';
meta = with lib; {
description =
"A high-performance CPU-based implementation of the Vulkan, OpenGL ES, and Direct3D 9 graphics APIs";
homepage = "https://opensource.google/projects/swiftshader";
license = licenses.asl20;
# Should be possible to support Darwin by changing the install phase with
# 's/Linux/Darwin/' and 's/so/dylib/' or something similar.
platforms = [ "i686-linux" "x86_64-linux" "armv7l-linux" "mipsel-linux" ];
maintainers = with maintainers; [ expipiplus1 ];
};
}
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