Experimenting with removing cpp extension in favor of pyoptix #1
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| name: GPU Test | |
| # GPU tests are triggered by adding the "GPU CI" label to a PR | |
| # This prevents expensive GPU runners from running on every commit | |
| on: | |
| pull_request: | |
| types: [labeled] | |
| jobs: | |
| gpu-test: | |
| name: GPU Test ${{ matrix.python-version }} | |
| # Only run when the "GPU CI" label is added | |
| if: github.event.label.name == 'GPU CI' | |
| # Use the GPU runner group - you need to create this in your org settings | |
| # Go to: Organization Settings > Actions > Runner groups > Create new runner group | |
| # Select "NVIDIA GPU-Optimized Image for Linux" when creating the runner | |
| runs-on: | |
| group: gpu-runners | |
| labels: linux-gpu | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| python-version: ["3.11", "3.12", "3.13"] | |
| steps: | |
| - name: Checkout source | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Install Python ${{ matrix.python-version }} | |
| uses: actions/setup-python@v5 | |
| with: | |
| python-version: ${{ matrix.python-version }} | |
| - name: Verify GPU and CUDA | |
| run: | | |
| echo "=== NVIDIA GPU Info ===" | |
| nvidia-smi | |
| echo "" | |
| echo "=== CUDA Version ===" | |
| nvcc --version || echo "nvcc not in PATH, checking CUDA_PATH..." | |
| echo "CUDA_PATH=${CUDA_PATH:-not set}" | |
| echo "" | |
| echo "=== Looking for OptiX SDK ===" | |
| # Common locations for OptiX SDK | |
| for dir in /opt/nvidia/OptiX* /usr/local/OptiX* "$HOME/OptiX*" /opt/optix*; do | |
| if [ -d "$dir" ]; then | |
| echo "Found OptiX at: $dir" | |
| export OptiX_INSTALL_DIR="$dir" | |
| fi | |
| done | |
| echo "OptiX_INSTALL_DIR=${OptiX_INSTALL_DIR:-not found}" | |
| - name: Install OptiX SDK | |
| run: | | |
| # Download and install OptiX SDK if not present | |
| # Note: OptiX SDK requires NVIDIA developer account for direct download | |
| # The NVIDIA GPU-Optimized image may have it pre-installed | |
| if [ -z "$OptiX_INSTALL_DIR" ]; then | |
| echo "OptiX SDK not found in common locations" | |
| echo "Checking if otk-pyoptix wheel is available..." | |
| fi | |
| - name: Install otk-pyoptix from source | |
| run: | | |
| # Clone and install otk-pyoptix | |
| git clone --depth 1 https://github.com/NVIDIA/otk-pyoptix.git /tmp/otk-pyoptix | |
| cd /tmp/otk-pyoptix/optix | |
| # Set OptiX path if found | |
| if [ -n "$OptiX_INSTALL_DIR" ]; then | |
| export OptiX_INSTALL_DIR | |
| fi | |
| pip install . | |
| - name: Install rtxpy with CUDA dependencies | |
| run: | | |
| python -m pip install -U pip | |
| python -m pip install -ve .[tests,cuda12] | |
| python -m pip list | |
| - name: Run GPU tests | |
| run: | | |
| python -m pytest -v rtxpy/tests | |
| - name: Test basic ray tracing | |
| run: | | |
| python -c " | |
| from rtxpy import RTX | |
| import numpy as np | |
| # Simple triangle mesh test | |
| verts = np.float32([0,0,0, 1,0,0, 0,1,0, 1,1,0]) | |
| triangles = np.int32([0,1,2, 2,1,3]) | |
| rays = np.float32([0.33,0.33,100, 0,0,0, -1,1000]) | |
| hits = np.float32([0,0,0,0]) | |
| optix = RTX() | |
| res = optix.build(0, verts, triangles) | |
| assert res == 0, f'Build failed with {res}' | |
| res = optix.trace(rays, hits, 1) | |
| assert res == 0, f'Trace failed with {res}' | |
| print(f'Hit result: t={hits[0]}, normal=({hits[1]}, {hits[2]}, {hits[3]})') | |
| assert hits[0] > 0, 'Expected a hit' | |
| print('GPU ray tracing test PASSED!') | |
| " |