Add OptiX sphere primitive bindings

.github/workflows/build-wheels.yml

@@ -0,0 +1,75 @@
+name: Build and publish wheels
+
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+jobs:
+  build-wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-22.04]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build wheels
+        uses: pypa/cibuildwheel@v3.1
+        with:
+          package-dir: optix
+          output-dir: wheelhouse
+        env:
+          CIBW_BUILD: "cp310-manylinux_x86_64 cp311-manylinux_x86_64 cp312-manylinux_x86_64 cp313-manylinux_x86_64 cp314-manylinux_x86_64"
+          CIBW_ENVIRONMENT: >-
+            OptiX_INSTALL_DIR=/project/optix-sdk
+            CUDAToolkit_ROOT=/usr/local/cuda-12.6
+            PATH=/usr/local/cuda-12.6/bin:$PATH
+          CIBW_BEFORE_ALL_LINUX: >-
+            dnf install -y 'dnf-command(config-manager)' &&
+            dnf config-manager --add-repo https://developer.download.nvidia.com/compute/cuda/repos/rhel8/x86_64/cuda-rhel8.repo &&
+            dnf install -y cmake cuda-nvcc-12-6 cuda-cudart-devel-12-6 cuda-driver-devel-12-6
+          CIBW_REPAIR_WHEEL_COMMAND_LINUX: >-
+            auditwheel repair --exclude libcuda.so.1 -w {dest_dir} {wheel}
+          CIBW_MANYLINUX_X86_64_IMAGE: manylinux_2_28
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: wheels-${{ matrix.os }}
+          path: ./wheelhouse/*.whl
+
+  build-sdist:
+    name: Build source distribution
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build sdist
+        run: pipx run build --sdist optix
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: sdist
+          path: optix/dist/*.tar.gz
+
+  publish:
+    name: Publish to PyPI
+    needs: [build-wheels, build-sdist]
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+
+    steps:
+      - uses: actions/download-artifact@v4
+        with:
+          path: dist
+          merge-multiple: true
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          password: ${{ secrets.PYPI_TOKEN }}
+          skip-existing: true

.gitignore

@@ -2,4 +2,7 @@ __pycache__/
 examples/my.png
 examples/path_util.py
 optix/build/
+optix/dist/
+optix/optix/
 optix/optix.egg-info/
+optix/pyoptix_contrib.egg-info/