From 05a128875aa9da69a2e868e10cdd58c482701c49 Mon Sep 17 00:00:00 2001
From: Lilly <lillycat332@gmail.com>
Date: Tue, 28 Mar 2023 11:57:09 +0100
Subject: [PATCH 1/2] maintainers: add lillycham

---
 maintainers/maintainer-list.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index f4c0f77c1a1b..611fa2e13a43 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -8654,6 +8654,12 @@
     githubId = 3696783;
     name = "Leroy Hopson";
   };
+  lillycham = {
+    email = "lillycat332@gmail.com";
+    github = "lillycat332";
+    githubId = 54189319;
+    name = "Lilly Cham";
+  };
   lilyball = {
     email = "lily@sb.org";
     github = "lilyball";

From e75df8cd4eeda63ea9b9c9407727c3e9cf7af748 Mon Sep 17 00:00:00 2001
From: Lilly <lillycat332@gmail.com>
Date: Wed, 29 Mar 2023 12:53:39 +0100
Subject: [PATCH 2/2] meshoptimizer: init at unstable-2023-03-22

Co-Authored-By: Daniel Nagy <692274+nagy@users.noreply.github.com>
---
 .../libraries/meshoptimizer/default.nix       | 38 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 +
 2 files changed, 40 insertions(+)
 create mode 100644 pkgs/development/libraries/meshoptimizer/default.nix

diff --git a/pkgs/development/libraries/meshoptimizer/default.nix b/pkgs/development/libraries/meshoptimizer/default.nix
new file mode 100644
index 000000000000..cfa273aa1518
--- /dev/null
+++ b/pkgs/development/libraries/meshoptimizer/default.nix
@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchFromGitHub, cmake }:
+
+let
+  basis_universal = fetchFromGitHub {
+    owner = "zeux";
+    repo = "basis_universal";
+    rev = "8903f6d69849fd782b72a551a4dd04a264434e20";
+    hash = "sha256-o3dCxAAkpMoNkvkM7qD75cPn/obDc/fJ8u7KLPm1G6g=";
+  };
+in stdenv.mkDerivation {
+  pname = "meshoptimizer";
+  version = "unstable-2023-03-22";
+  src = fetchFromGitHub {
+    owner = "zeux";
+    repo = "meshoptimizer";
+    hash = "sha256-OWeptdnKFvTyfkz0sFCpiTI7323GfVE8vb8bNUBnslA=";
+    rev = "49d9222385daf61a9ce75bb4699472408eb3df3e";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  outputs = [ "bin" "dev" "out" ];
+
+  cmakeFlags = [
+    "-DMESHOPT_BUILD_GLTFPACK=ON"
+    "-DMESHOPT_BASISU_PATH=${basis_universal}"
+  ] ++ lib.optional (!stdenv.hostPlatform.isStatic)
+    "-DMESHOPT_BUILD_SHARED_LIBS:BOOL=ON";
+
+  meta = with lib; {
+    description = "Mesh optimization library that makes meshes smaller and faster to render";
+    homepage = "https://github.com/zeux/meshoptimizer";
+    license = licenses.mit;
+    maintainers = [ maintainers.lillycham ];
+    platforms = platforms.all;
+    mainProgram = "gltfpack";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1581b6ec63b8..19d9bc7991e7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -22478,6 +22478,8 @@ with pkgs;
 
   mergerfs-tools = callPackage ../tools/filesystems/mergerfs/tools.nix { };
 
+  meshoptimizer = callPackage ../development/libraries/meshoptimizer { };
+
   mctc-lib = callPackage ../development/libraries/science/chemistry/mctc-lib { };
 
   mstore = callPackage ../development/libraries/science/chemistry/mstore { };