homebrew-core/Formula/mesa.rb

class Mesa < Formula
  include Language::Python::Virtualenv

  desc "Graphics Library"
  homepage "https://www.mesa3d.org/"
  url "https://mesa.freedesktop.org/archive/mesa-22.0.5.tar.xz"
  sha256 "5ee2dc06eff19e19b2867f12eb0db0905c9691c07974f6253f2f1443df4c7a35"
  license "MIT"
  revision 1
  head "https://gitlab.freedesktop.org/mesa/mesa.git", branch: "main"

  bottle do
    sha256 arm64_monterey: "b25ea498bb2762d8ddd64e647c47039c5a83ce2d3d6347cc5c91d370d86fbf83"
    sha256 arm64_big_sur:  "1576db8e33b89a7e647c9f5edbdc14207a647f985242924b4853d69d83ff27a8"
    sha256 monterey:       "f45bca55e3394c71ad1a7bd5fa538f6c1552b1a0475d6ac334d40be00ba1abcd"
    sha256 big_sur:        "9a312c0b271faae42c2c9781fdf88ebd0fed6f2d8b5261ad406df6e367ba2f0e"
    sha256 catalina:       "33f50bb6bceaaaa211e3dd8704223b4ca077ed7c8591cc2eea929e799f011c6a"
    sha256 x86_64_linux:   "29bc459a87ec012f4bb04407a0c8510baee075c718d6b35825c3164d8e1087fb"
  end

  depends_on "bison" => :build # can't use form macOS, needs '> 2.3'
  depends_on "meson" => :build
  depends_on "ninja" => :build
  depends_on "pkg-config" => :build
  depends_on "python@3.10" => :build
  depends_on "expat"
  depends_on "gettext"
  depends_on "libx11"
  depends_on "libxcb"
  depends_on "libxdamage"
  depends_on "libxext"

  uses_from_macos "flex" => :build
  uses_from_macos "llvm"
  uses_from_macos "ncurses"
  uses_from_macos "zlib"

  on_linux do
    depends_on "elfutils"
    depends_on "gcc"
    depends_on "gzip"
    depends_on "libdrm"
    depends_on "libva"
    depends_on "libvdpau"
    depends_on "libxfixes"
    depends_on "libxrandr"
    depends_on "libxshmfence"
    depends_on "libxv"
    depends_on "libxvmc"
    depends_on "libxxf86vm"
    depends_on "lm-sensors"
    depends_on "wayland"
    depends_on "wayland-protocols"
  end

  fails_with gcc: "5"

  resource "Mako" do
    url "https://files.pythonhosted.org/packages/50/ec/1d687348f0954bda388bfd1330c158ba8d7dea4044fc160e74e080babdb9/Mako-1.2.0.tar.gz"
    sha256 "9a7c7e922b87db3686210cf49d5d767033a41d4010b284e747682c92bddd8b39"
  end

  resource "Pygments" do
    url "https://files.pythonhosted.org/packages/59/0f/eb10576eb73b5857bc22610cdfc59e424ced4004fe7132c8f2af2cc168d3/Pygments-2.12.0.tar.gz"
    sha256 "5eb116118f9612ff1ee89ac96437bb6b49e8f04d8a13b514ba26f620208e26eb"
  end

  resource "MarkupSafe" do
    url "https://files.pythonhosted.org/packages/1d/97/2288fe498044284f39ab8950703e88abbac2abbdf65524d576157af70556/MarkupSafe-2.1.1.tar.gz"
    sha256 "7f91197cc9e48f989d12e4e6fbc46495c446636dfc81b9ccf50bb0ec74b91d4b"
  end

  resource "glxgears.c" do
    url "https://gitlab.freedesktop.org/mesa/demos/-/raw/db5ad06a346774a249b22797e660d55bde0d9571/src/xdemos/glxgears.c"
    sha256 "3873db84d708b5d8b3cac39270926ba46d812c2f6362da8e6cd0a1bff6628ae6"
  end

  resource "gl_wrap.h" do
    url "https://gitlab.freedesktop.org/mesa/demos/-/raw/ea99b861a256e63d029f0d476bf452681d821dd6/src/util/gl_wrap.h"
    sha256 "41f5a84f8f5abe8ea2a21caebf5ff31094a46953a83a738a19e21c010c433c88"
  end

  def install
    ENV.prepend_path "PATH", Formula["python@3.10"].opt_libexec/"bin"

    venv_root = buildpath/"venv"
    venv = virtualenv_create(venv_root, "python3")

    %w[Mako Pygments MarkupSafe].each do |res|
      venv.pip_install resource(res)
    end

    ENV.prepend_path "PATH", "#{venv_root}/bin"

    args = ["-Db_ndebug=true"]

    if OS.linux?
      args += %w[
        -Dplatforms=x11,wayland
        -Dglx=auto
        -Ddri3=true
        -Dgallium-drivers=auto
        -Dgallium-omx=disabled
        -Degl=true
        -Dgbm=true
        -Dopengl=true
        -Dgles1=enabled
        -Dgles2=enabled
        -Dgallium-xvmc=disabled
        -Dvalgrind=false
        -Dtools=drm-shim,etnaviv,freedreno,glsl,nir,nouveau,xvmc,lima
      ]
    end

    system "meson", "build", *args, *std_meson_args
    system "meson", "compile", "-C", "build"
    system "meson", "install", "-C", "build"

    if OS.linux?
      # Strip executables/libraries/object files to reduce their size
      system("strip", "--strip-unneeded", "--preserve-dates", *(Dir[bin/"**/*", lib/"**/*"]).select do |f|
        f = Pathname.new(f)
        f.file? && (f.elf? || f.extname == ".a")
      end)
    end
  end

  test do
    %w[glxgears.c gl_wrap.h].each { |r| resource(r).stage(testpath) }
    flags = %W[
      -I#{include}
      -L#{lib}
      -L#{Formula["libx11"].lib}
      -L#{Formula["libxext"].lib}
      -lGL
      -lX11
      -lXext
      -lm
    ]
    system ENV.cc, "glxgears.c", "-o", "gears", *flags
  end
end