From f7e05555fb4ff6d8e51bdb5734db4dab1841d593 Mon Sep 17 00:00:00 2001
From: hachem <im@hachem.wtf>
Date: Wed, 19 Aug 2026 02:02:20 +0200
Subject: [feat]: migrate to slang from glsl

---
 Tools/fetch-slang.sh | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100755 Tools/fetch-slang.sh

(limited to 'Tools/fetch-slang.sh')

diff --git a/Tools/fetch-slang.sh b/Tools/fetch-slang.sh
new file mode 100755
index 0000000..5ee6de5
--- /dev/null
+++ b/Tools/fetch-slang.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+#
+# Fetches the Slang shader-compiler toolchain into Tools/slang (gitignored).
+# Slang is the single shader-authoring language for Donut; slangc cross-compiles
+# each Assets/Shaders/*.slang to GLSL (OpenGL), SPIR-V (Vulkan), and MSL (Metal).
+#
+# Re-run to (re)install. Pin the version here so builds are reproducible.
+set -euo pipefail
+
+VERSION="2026.14.1"
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+DEST="$ROOT/Tools/slang"
+
+case "$(uname -s)-$(uname -m)" in
+  Darwin-arm64|Darwin-aarch64) ASSET="macos-aarch64" ;;
+  Darwin-x86_64)               ASSET="macos-x86_64" ;;
+  Linux-x86_64)                ASSET="linux-x86_64" ;;
+  Linux-aarch64|Linux-arm64)   ASSET="linux-aarch64" ;;
+  *) echo "fetch-slang: unsupported platform $(uname -s)-$(uname -m)"; exit 1 ;;
+esac
+
+URL="https://github.com/shader-slang/slang/releases/download/v${VERSION}/slang-${VERSION}-${ASSET}.tar.gz"
+
+echo "fetch-slang: downloading Slang ${VERSION} (${ASSET})..."
+rm -rf "$DEST"
+mkdir -p "$DEST"
+curl -fsSL "$URL" | tar -xz -C "$DEST"
+
+"$DEST/bin/slangc" -v >/dev/null 2>&1 && echo "fetch-slang: installed to $DEST (slangc $("$DEST/bin/slangc" -v))"
-- 
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