From eb799f365b3a42ad35f3347d2a7194fa826a2039 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 14:25:21 +0300
Subject: [PATCH 01/14] libclc: 14.0.6 -> 15.0.7

---
 pkgs/development/libraries/libclc/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/libclc/default.nix b/pkgs/development/libraries/libclc/default.nix
index 14a20a957967..647079ae2fb4 100644
--- a/pkgs/development/libraries/libclc/default.nix
+++ b/pkgs/development/libraries/libclc/default.nix
@@ -7,13 +7,13 @@ in
 
 stdenv.mkDerivation rec {
   pname = "libclc";
-  version = "14.0.6";
+  version = "15.0.7";
 
   src = fetchFromGitHub {
     owner = "llvm";
     repo = "llvm-project";
     rev = "llvmorg-${version}";
-    sha256 = "sha256-vffu4HilvYwtzwgq+NlS26m65DGbp6OSSne2aje1yJE=";
+    sha256 = "sha256-wjuZQyXQ/jsmvy6y1aksCcEDXGBjuhpgngF3XQJ/T4s=";
   };
   sourceRoot = "source/libclc";
 

From f4a78e4b2cc3c00570a22792bc03c4dad507e241 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 14:37:45 +0300
Subject: [PATCH 02/14] mesa: fix build

---
 pkgs/development/libraries/mesa/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 2225019d1d54..a84f8ab25484 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -253,6 +253,10 @@ self = stdenv.mkDerivation {
   NIX_CFLAGS_COMPILE = lib.optionals stdenv.isDarwin [ "-fno-common" ] ++ lib.optionals enableOpenCL [
     "-UPIPE_SEARCH_DIR"
     "-DPIPE_SEARCH_DIR=\"${placeholder "opencl"}/lib/gallium-pipe\""
+
+    # Work around regression from https://github.com/NixOS/nixpkgs/pull/210004
+    # TODO(trofi): remove
+    "--sysroot=/"
   ];
 
   passthru = {

From ea8fb54acb304c501d3f164c40c808651f927113 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Sat, 28 Jan 2023 09:07:46 +0100
Subject: [PATCH 03/14] mesa: use LLVM 15, remove global spirv-translator
 override

---
 pkgs/development/libraries/mesa/default.nix | 10 ++++++++--
 pkgs/top-level/all-packages.nix             |  4 +---
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index a84f8ab25484..b875f8252370 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -22,7 +22,7 @@
 , cmake
 , rustc
 , rust-bindgen
-, spirv-llvm-translator_14
+, spirv-llvm-translator
 }:
 
 /** Packaging design:
@@ -44,11 +44,17 @@ let
 
   withLibdrm = lib.meta.availableOn stdenv.hostPlatform libdrm;
 
+  # Align all the Mesa versions used. Required to prevent explosions when
+  # two different LLVMs are loaded in the same process.
+  # FIXME: these should really go into some sort of versioned LLVM package set
   rust-bindgen' = rust-bindgen.override {
     rust-bindgen-unwrapped = rust-bindgen.unwrapped.override {
       clang = llvmPackages.clang;
     };
   };
+  spirv-llvm-translator' = spirv-llvm-translator.override {
+    inherit (llvmPackages) llvm;
+  };
 
 self = stdenv.mkDerivation {
   pname = "mesa";
@@ -146,7 +152,7 @@ self = stdenv.mkDerivation {
   ] ++ lib.optionals (lib.elem "wayland" eglPlatforms) [ wayland wayland-protocols ]
     ++ lib.optionals stdenv.isLinux [ libomxil-bellagio libva-minimal ]
     ++ lib.optionals stdenv.isDarwin [ libunwind ]
-    ++ lib.optionals enableOpenCL [ libclc llvmPackages.clang llvmPackages.clang-unwrapped rustc rust-bindgen' spirv-llvm-translator_14 ]
+    ++ lib.optionals enableOpenCL [ libclc llvmPackages.clang llvmPackages.clang-unwrapped rustc rust-bindgen' spirv-llvm-translator' ]
     ++ lib.optional withValgrind valgrind-light
     # Mesa will not build zink when gallium-drivers=auto
     ++ lib.optional (lib.elem "zink" galliumDrivers) vulkan-loader;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 63a91e4aa0f3..6576523942f2 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15913,8 +15913,6 @@ with pkgs;
 
   spirv-llvm-translator = callPackage ../development/compilers/spirv-llvm-translator { };
 
-  spirv-llvm-translator_14 = callPackage ../development/compilers/spirv-llvm-translator { llvm = llvm_14; };
-
   sqldeveloper = callPackage ../development/tools/database/sqldeveloper {
     jdk = oraclejdk;
   };
@@ -22035,7 +22033,7 @@ with pkgs;
   libGLU = mesa_glu;
 
   mesa = callPackage ../development/libraries/mesa {
-    llvmPackages = llvmPackages_latest;
+    llvmPackages = llvmPackages_15;
     stdenv = if stdenv.isDarwin then darwin.apple_sdk_11_0.stdenv else stdenv;
     inherit (darwin.apple_sdk_11_0.frameworks) OpenGL;
     inherit (darwin.apple_sdk_11_0.libs) Xplugin;

From f416128e90ac75bec060e8b9435fe9c38423c036 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 14:26:03 +0300
Subject: [PATCH 04/14] mesa: simplify opencl patch

---
 pkgs/development/libraries/mesa/opencl.patch | 51 ++++----------------
 1 file changed, 10 insertions(+), 41 deletions(-)

diff --git a/pkgs/development/libraries/mesa/opencl.patch b/pkgs/development/libraries/mesa/opencl.patch
index 02558aaa825d..fb4da5cf7a0a 100644
--- a/pkgs/development/libraries/mesa/opencl.patch
+++ b/pkgs/development/libraries/mesa/opencl.patch
@@ -1,8 +1,8 @@
 diff --git a/meson.build b/meson.build
-index e32338b3f9a..fae804fd41e 100644
+index 172c64a7c70..05961e56926 100644
 --- a/meson.build
 +++ b/meson.build
-@@ -1894,7 +1894,7 @@ endif
+@@ -1900,7 +1900,7 @@ endif
  
  dep_clang = null_dep
  if with_clc
@@ -29,51 +29,20 @@ index 6f307018815..ab84eb1006c 100644
    'platforms',
    type : 'array',
 diff --git a/src/gallium/targets/opencl/meson.build b/src/gallium/targets/opencl/meson.build
-index 7af210b5693..ff6ac8c61ca 100644
+index db3586bd7fb..4d914206d21 100644
 --- a/src/gallium/targets/opencl/meson.build
 +++ b/src/gallium/targets/opencl/meson.build
-@@ -30,6 +30,7 @@ if with_ld_version_script
+@@ -39,7 +39,8 @@ if dep_llvm.version().version_compare('>=10.0.0')
+   polly_isl_dep = cpp.find_library('PollyISL', dirs : llvm_libdir, required : false)
  endif
  
- llvm_libdir = dep_llvm.get_variable(cmake : 'LLVM_LIBRARY_DIR', configtool: 'libdir')
+-dep_clang = cpp.find_library('clang-cpp', dirs : llvm_libdir, required : false)
 +clang_libdir = get_option('clang-libdir')
- opencl_libname = with_opencl_icd ? 'MesaOpenCL' : 'OpenCL'
++dep_clang = cpp.find_library('clang-cpp', dirs : clang_libdir, required : false)
  
- polly_dep = null_dep
-@@ -60,19 +61,19 @@ else
- endif
- if not _shared_llvm or not (dep_clang.found() and dep_clang_usable)
-   dep_clang = [
--    cpp.find_library('clangCodeGen', dirs : llvm_libdir),
--    cpp.find_library('clangFrontendTool', dirs : llvm_libdir),
--    cpp.find_library('clangFrontend', dirs : llvm_libdir),
--    cpp.find_library('clangDriver', dirs : llvm_libdir),
--    cpp.find_library('clangSerialization', dirs : llvm_libdir),
--    cpp.find_library('clangParse', dirs : llvm_libdir),
--    cpp.find_library('clangSema', dirs : llvm_libdir),
--    cpp.find_library('clangAnalysis', dirs : llvm_libdir),
--    cpp.find_library('clangAST', dirs : llvm_libdir),
--    cpp.find_library('clangASTMatchers', dirs : llvm_libdir),
--    cpp.find_library('clangEdit', dirs : llvm_libdir),
--    cpp.find_library('clangLex', dirs : llvm_libdir),
--    cpp.find_library('clangBasic', dirs : llvm_libdir),
-+    cpp.find_library('clangCodeGen', dirs : clang_libdir),
-+    cpp.find_library('clangFrontendTool', dirs : clang_libdir),
-+    cpp.find_library('clangFrontend', dirs : clang_libdir),
-+    cpp.find_library('clangDriver', dirs : clang_libdir),
-+    cpp.find_library('clangSerialization', dirs : clang_libdir),
-+    cpp.find_library('clangParse', dirs : clang_libdir),
-+    cpp.find_library('clangSema', dirs : clang_libdir),
-+    cpp.find_library('clangAnalysis', dirs : clang_libdir),
-+    cpp.find_library('clangAST', dirs : clang_libdir),
-+    cpp.find_library('clangASTMatchers', dirs : clang_libdir),
-+    cpp.find_library('clangEdit', dirs : clang_libdir),
-+    cpp.find_library('clangLex', dirs : clang_libdir),
-+    cpp.find_library('clangBasic', dirs : clang_libdir),
-     polly_dep, polly_isl_dep,
-   ]
-   # check clang once more
-@@ -119,7 +120,7 @@ if with_opencl_icd
+ # meson will return clang-cpp from system dirs if it's not found in llvm_libdir
+ linker_rpath_arg = '-Wl,--rpath=@0@'.format(llvm_libdir)
+@@ -123,7 +124,7 @@ if with_opencl_icd
      configuration : _config,
      input : 'mesa.icd.in',
      output : 'mesa.icd',

From 678bcd522a8efefe0ebfb69e768e15c9841f7e23 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 14:36:16 +0300
Subject: [PATCH 05/14] mesa: add libzstd

Will be used for shader caches, should make loading them slightly faster.
---
 pkgs/development/libraries/mesa/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index b875f8252370..b18a380f6fad 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -23,6 +23,7 @@
 , rustc
 , rust-bindgen
 , spirv-llvm-translator
+, zstd
 }:
 
 /** Packaging design:
@@ -149,6 +150,7 @@ self = stdenv.mkDerivation {
     libX11 libXext libxcb libXt libXfixes libxshmfence libXrandr
     libffi libvdpau libelf libXvMC
     libpthreadstubs openssl /*or another sha1 provider*/
+    zstd
   ] ++ lib.optionals (lib.elem "wayland" eglPlatforms) [ wayland wayland-protocols ]
     ++ lib.optionals stdenv.isLinux [ libomxil-bellagio libva-minimal ]
     ++ lib.optionals stdenv.isDarwin [ libunwind ]

From 5074173a5391bf67bdee59ac675eb38d4bfedeec Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 14:38:19 +0300
Subject: [PATCH 06/14] mesa: build intel-nullhw Vulkan layer

Useful for debugging
---
 pkgs/development/libraries/mesa/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index b18a380f6fad..1030bafdd037 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -10,7 +10,7 @@
 # upstream Mesa defaults to only enabling swrast (aka lavapipe) on aarch64 for some reason, so force building the others
 , vulkanDrivers ? if (stdenv.isLinux && stdenv.isAarch64) then [ "swrast" "broadcom" "freedreno" "panfrost" ] else [ "auto" ]
 , eglPlatforms ? [ "x11" ] ++ lib.optionals stdenv.isLinux [ "wayland" ]
-, vulkanLayers ? lib.optionals (!stdenv.isDarwin) [ "device-select" "overlay" ] # No Vulkan support on Darwin
+, vulkanLayers ? lib.optionals (!stdenv.isDarwin) [ "device-select" "overlay" "intel-nullhw" ] # No Vulkan support on Darwin
 , OpenGL, Xplugin
 , withValgrind ? lib.meta.availableOn stdenv.hostPlatform valgrind-light && !valgrind-light.meta.broken, valgrind-light
 , enableGalliumNine ? stdenv.isLinux

From 07e13abffc27dc99625ab16537f8dfda39272556 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 15:30:04 +0300
Subject: [PATCH 07/14] directx-headers: init at 1.608.2

---
 .../libraries/directx-headers/default.nix     | 25 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 27 insertions(+)
 create mode 100644 pkgs/development/libraries/directx-headers/default.nix

diff --git a/pkgs/development/libraries/directx-headers/default.nix b/pkgs/development/libraries/directx-headers/default.nix
new file mode 100644
index 000000000000..3ac15bb85e24
--- /dev/null
+++ b/pkgs/development/libraries/directx-headers/default.nix
@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchFromGitHub, meson, ninja }:
+stdenv.mkDerivation rec {
+  pname = "directx-headers";
+  version = "1.608.2";
+
+  src = fetchFromGitHub {
+    owner = "microsoft";
+    repo = "DirectX-Headers";
+    rev = "v${version}";
+    hash = "sha256-F0riTDJpydqe4yhE9GKSSvnRI0Sl3oY2sOP+H/vDHG0=";
+  };
+
+  nativeBuildInputs = [ meson ninja ];
+
+  # tests require WSL2
+  mesonFlags = [ "-Dbuild-test=false" ];
+
+  meta = with lib; {
+    description = "Official D3D12 headers from Microsoft";
+    homepage = "https://github.com/microsoft/DirectX-Headers";
+    license = licenses.mit;
+    maintainers = with maintainers; [ k900 ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6576523942f2..f1368c98145b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -24222,6 +24222,8 @@ with pkgs;
 
   diod = callPackage ../servers/diod { lua = lua5_1; };
 
+  directx-headers = callPackage ../development/libraries/directx-headers {};
+
   directx-shader-compiler = callPackage ../tools/graphics/directx-shader-compiler {};
 
   dkimproxy = callPackage ../servers/mail/dkimproxy { };

From 17af0cdc155f38bb3b14ffd5aff0169cd9a2947e Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 16:20:49 +0300
Subject: [PATCH 08/14] mesa: enable RT on Intel hardware

---
 pkgs/development/libraries/mesa/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 1030bafdd037..3f3fd66cfb2d 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -137,6 +137,9 @@ self = stdenv.mkDerivation {
     "-Dgbm-backends-path=${libglvnd.driverLink}/lib/gbm:${placeholder "out"}/lib/gbm"
   ] ++ lib.optionals stdenv.isLinux [
     "-Dglvnd=true"
+
+    # Enable RT for Intel hardware
+    "-Dintel-clc=enabled"
   ] ++ lib.optionals enableOpenCL [
     "-Dgallium-opencl=icd" # Enable the gallium OpenCL frontend
     "-Dgallium-rusticl=true" "-Drust_std=2021"
@@ -164,7 +167,7 @@ self = stdenv.mkDerivation {
   nativeBuildInputs = [
     meson pkg-config ninja
     intltool bison flex file
-    python3Packages.python python3Packages.Mako
+    python3Packages.python python3Packages.Mako python3Packages.ply
     jdupes glslang
   ] ++ lib.optionals (lib.elem "wayland" eglPlatforms) [
     wayland-scanner

From 96978011e6b6c6364f126773c5dcfeeb0827d7af Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 16:21:49 +0300
Subject: [PATCH 09/14] mesa: enable SPIR-V support for Clover

---
 pkgs/development/libraries/mesa/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 3f3fd66cfb2d..10073cb689ac 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -141,7 +141,11 @@ self = stdenv.mkDerivation {
     # Enable RT for Intel hardware
     "-Dintel-clc=enabled"
   ] ++ lib.optionals enableOpenCL [
-    "-Dgallium-opencl=icd" # Enable the gallium OpenCL frontend
+    # Clover, old OpenCL frontend
+    "-Dgallium-opencl=icd"
+    "-Dopencl-spirv=true"
+
+    # Rusticl, new OpenCL frontend
     "-Dgallium-rusticl=true" "-Drust_std=2021"
     "-Dclang-libdir=${llvmPackages.clang-unwrapped.lib}/lib"
   ] ++ lib.optional enablePatentEncumberedCodecs

From 677e5a1b3a1c29066dfebb604b9e8c6998e031d5 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 16:22:24 +0300
Subject: [PATCH 10/14] mesa: clean up, allow building with dozen

---
 pkgs/development/libraries/mesa/default.nix | 26 ++++++++++++++-------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 10073cb689ac..066e0fc08475 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -19,11 +19,11 @@
 , enablePatentEncumberedCodecs ? true
 , libclc
 , jdupes
-, cmake
 , rustc
 , rust-bindgen
 , spirv-llvm-translator
 , zstd
+, directx-headers
 }:
 
 /** Packaging design:
@@ -57,6 +57,9 @@ let
     inherit (llvmPackages) llvm;
   };
 
+  haveWayland = lib.elem "wayland" eglPlatforms;
+  haveZink = lib.elem "zink" galliumDrivers;
+  haveDozen = (lib.elem "d3d12" galliumDrivers) || (lib.elem "microsoft-experimental" vulkanDrivers);
 self = stdenv.mkDerivation {
   pname = "mesa";
   inherit version;
@@ -98,7 +101,11 @@ self = stdenv.mkDerivation {
   outputs = [ "out" "dev" "drivers" ]
     ++ lib.optional enableOSMesa "osmesa"
     ++ lib.optional stdenv.isLinux "driversdev"
-    ++ lib.optional enableOpenCL "opencl";
+    ++ lib.optional enableOpenCL "opencl"
+    # the Dozen drivers depend on libspirv2dxil, but link it statically, and
+    # libspirv2dxil itself is pretty chonky, so relocate it to its own output
+    # in case anything wants to use it at some point
+    ++ lib.optional haveDozen "spirv2dxil";
 
   # FIXME: this fixes rusticl/iris segfaulting on startup, _somehow_.
   # Needs more investigating.
@@ -129,6 +136,7 @@ self = stdenv.mkDerivation {
     "-Domx-libs-path=${placeholder "drivers"}/lib/bellagio"
     "-Dva-libs-path=${placeholder "drivers"}/lib/dri"
     "-Dd3d-drivers-path=${placeholder "drivers"}/lib/d3d"
+
     "-Dgallium-nine=${lib.boolToString enableGalliumNine}" # Direct3D in Wine
     "-Dosmesa=${lib.boolToString enableOSMesa}" # used by wine
     "-Dmicrosoft-clc=disabled" # Only relevant on Windows (OpenCL 1.2 API on top of D3D12)
@@ -158,13 +166,13 @@ self = stdenv.mkDerivation {
     libffi libvdpau libelf libXvMC
     libpthreadstubs openssl /*or another sha1 provider*/
     zstd
-  ] ++ lib.optionals (lib.elem "wayland" eglPlatforms) [ wayland wayland-protocols ]
+  ] ++ lib.optionals haveWayland [ wayland wayland-protocols ]
     ++ lib.optionals stdenv.isLinux [ libomxil-bellagio libva-minimal ]
     ++ lib.optionals stdenv.isDarwin [ libunwind ]
     ++ lib.optionals enableOpenCL [ libclc llvmPackages.clang llvmPackages.clang-unwrapped rustc rust-bindgen' spirv-llvm-translator' ]
     ++ lib.optional withValgrind valgrind-light
-    # Mesa will not build zink when gallium-drivers=auto
-    ++ lib.optional (lib.elem "zink" galliumDrivers) vulkan-loader;
+    ++ lib.optional haveZink vulkan-loader
+    ++ lib.optional haveDozen directx-headers;
 
   depsBuildBuild = [ pkg-config ];
 
@@ -173,9 +181,7 @@ self = stdenv.mkDerivation {
     intltool bison flex file
     python3Packages.python python3Packages.Mako python3Packages.ply
     jdupes glslang
-  ] ++ lib.optionals (lib.elem "wayland" eglPlatforms) [
-    wayland-scanner
-  ];
+  ] ++ lib.optional haveWayland wayland-scanner;
 
   propagatedBuildInputs = with xorg; [
     libXdamage libXxf86vm
@@ -232,6 +238,10 @@ self = stdenv.mkDerivation {
     for js in $drivers/share/vulkan/{im,ex}plicit_layer.d/*.json; do
       substituteInPlace "$js" --replace '"libVkLayer_' '"'"$drivers/lib/libVkLayer_"
     done
+  '' + lib.optionalString haveDozen ''
+    mkdir -p $spirv2dxil/{bin,lib}
+    mv -t $spirv2dxil/lib $out/lib/libspirv_to_dxil*
+    mv -t $spirv2dxil/bin $out/bin/spirv2dxil
   '';
 
   postFixup = lib.optionalString stdenv.isLinux ''

From e7a2c65ab54f096546c9aad6ae2e4e29e61f2885 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 16:22:42 +0300
Subject: [PATCH 11/14] mesa: reorganize default driver list

Upstream doesn't enable lots of things we might actually want
by default, so just specify everything manually.

Each list is grouped into three parts: arch-independent drivers,
aarch64-only drivers and x86_64 only drivers.
---
 pkgs/development/libraries/mesa/default.nix | 49 +++++++++++++++++++--
 1 file changed, 46 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 066e0fc08475..75fd702badc9 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -6,9 +6,52 @@
 , libelf, libvdpau
 , libglvnd, libunwind
 , vulkan-loader, glslang
-, galliumDrivers ? ["auto"]
-# upstream Mesa defaults to only enabling swrast (aka lavapipe) on aarch64 for some reason, so force building the others
-, vulkanDrivers ? if (stdenv.isLinux && stdenv.isAarch64) then [ "swrast" "broadcom" "freedreno" "panfrost" ] else [ "auto" ]
+, galliumDrivers ?
+  if stdenv.isLinux then
+    [
+      "d3d12" # WSL emulated GPU (aka Dozen)
+      "iris" # new Intel
+      "kmsro" # helper driver for display-only devices
+      "nouveau" # Nvidia
+      "radeonsi" # new AMD (GCN+)
+      "r300" # very old AMD
+      "r600" # less old AMD
+      "swrast" # software renderer (aka LLVMPipe)
+      "svga" # VMWare virtualized GPU
+      "virgl" # QEMU virtualized GPU (aka VirGL)
+      "zink" # generic OpenGL over Vulkan, experimental
+    ]
+    ++ lib.optionals stdenv.isAarch64 [
+      "etnaviv" # Vivante GPU designs (mostly NXP/Marvell SoCs)
+      "freedreno" # Qualcomm Adreno (all Qualcomm SoCs)
+      "lima" # ARM Mali 4xx
+      "panfrost" # ARM Mali Midgard and up (T/G series)
+      "tegra" # Nvidia Tegra SoCs
+      "v3d" # Broadcom VC5 (Raspberry Pi 4)
+      "vc4" # Broadcom VC4 (Raspberry Pi 0-3)
+    ] ++ lib.optionals stdenv.isx86_64 [
+      "crocus" # Intel legacy, x86_64 only
+    ]
+  else [ "auto" ]
+, vulkanDrivers ?
+  if stdenv.isLinux then
+    [
+      "amd" # AMD (aka RADV)
+      "intel" # Intel (aka ANV)
+      "microsoft-experimental" # WSL virtualized GPU (aka DZN/Dozen)
+      "swrast" # software renderer (aka Lavapipe)
+      "virtio-experimental" # QEMU virtualized GPU (aka VirGL)
+    ]
+    ++ lib.optionals stdenv.isAarch64 [
+      "broadcom" # Broadcom VC5 (Raspberry Pi 4, aka V3D)
+      "freedreno" # Qualcomm Adreno (all Qualcomm SoCs)
+      "imagination-experimental" # PowerVR Rogue (currently N/A)
+      "panfrost" # ARM Mali Midgard and up (T/G series)
+    ]
+    ++ lib.optionals stdenv.isx86_64 [
+      "intel_hasvk" # Intel Haswell/Broadwell, experimental, x86_64 only
+    ]
+  else [ "auto" ]
 , eglPlatforms ? [ "x11" ] ++ lib.optionals stdenv.isLinux [ "wayland" ]
 , vulkanLayers ? lib.optionals (!stdenv.isDarwin) [ "device-select" "overlay" "intel-nullhw" ] # No Vulkan support on Darwin
 , OpenGL, Xplugin

From 14e04064d36a19662c602c07db66cf87e1f5636d Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 17:09:48 +0300
Subject: [PATCH 12/14] mesa: demote iris to x86_64 only

---
 pkgs/development/libraries/mesa/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index 75fd702badc9..c8968c5250f8 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -10,7 +10,6 @@
   if stdenv.isLinux then
     [
       "d3d12" # WSL emulated GPU (aka Dozen)
-      "iris" # new Intel
       "kmsro" # helper driver for display-only devices
       "nouveau" # Nvidia
       "radeonsi" # new AMD (GCN+)
@@ -30,6 +29,7 @@
       "v3d" # Broadcom VC5 (Raspberry Pi 4)
       "vc4" # Broadcom VC4 (Raspberry Pi 0-3)
     ] ++ lib.optionals stdenv.isx86_64 [
+      "iris" # new Intel, could work on non-x86_64 with PCIe cards, but doesn't build as of 22.3.4
       "crocus" # Intel legacy, x86_64 only
     ]
   else [ "auto" ]

From b071fdb268fdad2ea424f5914d895f3896c20b84 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 17:21:16 +0300
Subject: [PATCH 13/14] mesa: also demote anv

---
 pkgs/development/libraries/mesa/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index c8968c5250f8..a3b48ffa745c 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -37,7 +37,6 @@
   if stdenv.isLinux then
     [
       "amd" # AMD (aka RADV)
-      "intel" # Intel (aka ANV)
       "microsoft-experimental" # WSL virtualized GPU (aka DZN/Dozen)
       "swrast" # software renderer (aka Lavapipe)
       "virtio-experimental" # QEMU virtualized GPU (aka VirGL)
@@ -49,6 +48,7 @@
       "panfrost" # ARM Mali Midgard and up (T/G series)
     ]
     ++ lib.optionals stdenv.isx86_64 [
+      "intel" # Intel (aka ANV), could work on non-x86_64 with PCIe cards, but doesn't build as of 22.3.4
       "intel_hasvk" # Intel Haswell/Broadwell, experimental, x86_64 only
     ]
   else [ "auto" ]

From c304f2646c9877d99c74e7fed2591f2405c384d4 Mon Sep 17 00:00:00 2001
From: K900 <me@0upti.me>
Date: Sat, 28 Jan 2023 22:51:40 +0300
Subject: [PATCH 14/14] mesa: add udev dependency

Enables display hotplug events for Vulkan
---
 pkgs/development/libraries/mesa/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/mesa/default.nix b/pkgs/development/libraries/mesa/default.nix
index a3b48ffa745c..89526fbda7f4 100644
--- a/pkgs/development/libraries/mesa/default.nix
+++ b/pkgs/development/libraries/mesa/default.nix
@@ -67,6 +67,7 @@
 , spirv-llvm-translator
 , zstd
 , directx-headers
+, udev
 }:
 
 /** Packaging design:
@@ -210,7 +211,7 @@ self = stdenv.mkDerivation {
     libpthreadstubs openssl /*or another sha1 provider*/
     zstd
   ] ++ lib.optionals haveWayland [ wayland wayland-protocols ]
-    ++ lib.optionals stdenv.isLinux [ libomxil-bellagio libva-minimal ]
+    ++ lib.optionals stdenv.isLinux [ libomxil-bellagio libva-minimal udev ]
     ++ lib.optionals stdenv.isDarwin [ libunwind ]
     ++ lib.optionals enableOpenCL [ libclc llvmPackages.clang llvmPackages.clang-unwrapped rustc rust-bindgen' spirv-llvm-translator' ]
     ++ lib.optional withValgrind valgrind-light