Add Rust CI #1

	name: Rust CI

	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	env:
	CARGO_TERM_COLOR: always

	jobs:
	test:
	name: Test Rust Shaders
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: "recursive"

	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	components: rust-src, rustc-dev, llvm-tools

	- name: Install cargo-gpu
	run: cargo install --git https://github.com/rust-gpu/cargo-gpu cargo-gpu

	- name: Cache cargo registry
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	- name: Compile shaders to SPIR-V
	working-directory: shaders/rust
	run: python3 compileshaders.py

	- name: Verify no uncommitted changes
	run: \|
	# Check if there are any changes to tracked files
	if ! git diff --exit-code; then
	echo "Error: Generated SPIR-V files differ from checked-in versions"
	echo "Please run 'python3 compileshaders.py' locally and commit the changes"
	git diff --name-only
	exit 1
	fi

	# Check for untracked files
	if [ -n "$(git ls-files --others --exclude-standard)" ]; then
	echo "Error: New untracked files were generated"
	echo "Please add these files to git or update .gitignore:"
	git ls-files --others --exclude-standard
	exit 1
	fi

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