Run OpenCL on CI

.github/workflows/test.yml

@@ -18,8 +18,27 @@ jobs:
           go-version: 1.18
       - uses: actions/checkout@v3
       - name: Install libraries
+        env:
+          OPENCL_RUNTIME_VER: 2022.14.8.0.04
+          INTEL_TBB_VER: 2021.5.0
         run: |
           sudo apt-get update
           sudo apt-get install -y opencl-headers ocl-icd-opencl-dev
+          # The following is the installation procedure of the Intel OpenCL CPU runtime as per
+          # https://github.com/intel/llvm/blob/sycl/sycl/doc/GetStartedGuide.md#install-low-level-runtime
+          wget --quiet https://github.com/intel/llvm/releases/download/2022-WW33/oclcpuexp-${OPENCL_RUNTIME_VER}_rel.tar.gz --output-document=/tmp/oclcpuexp-${OPENCL_RUNTIME_VER}_rel.tar.gz
+          wget --quiet https://github.com/oneapi-src/oneTBB/releases/download/v${INTEL_TBB_VER}/oneapi-tbb-${INTEL_TBB_VER}-lin.tgz --output-document=/tmp/oneapi-tbb-${INTEL_TBB_VER}-lin.tgz
+          sudo mkdir --parents /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}
+          sudo tar -zxvf /tmp/oclcpuexp-${OPENCL_RUNTIME_VER}_rel.tar.gz -C /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}
+          sudo tar -zxvf /tmp/oneapi-tbb-${INTEL_TBB_VER}-lin.tgz -C /opt/intel
+          sudo mkdir --parents /etc/OpenCL/vendors
+          echo /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}/x64/libintelocl.so | sudo tee -a /etc/OpenCL/vendors/intel_expcpu.icd
+          sudo ln -s /opt/intel/oneapi-tbb-${INTEL_TBB_VER}/lib/intel64/gcc4.8/libtbb.so /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}/x64/
+          sudo ln -s /opt/intel/oneapi-tbb-${INTEL_TBB_VER}/lib/intel64/gcc4.8/libtbbmalloc.so /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}/x64/
+          sudo ln -s /opt/intel/oneapi-tbb-${INTEL_TBB_VER}/lib/intel64/gcc4.8/libtbb.so.12 /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}/x64/
+          sudo ln -s /opt/intel/oneapi-tbb-${INTEL_TBB_VER}/lib/intel64/gcc4.8/libtbbmalloc.so.2 /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}/x64/
+          echo /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}/x64/ | sudo tee -a /etc/ld.so.conf.d/libintelopenclexp.conf
+          sudo ldconfig -f /etc/ld.so.conf.d/libintelopenclexp.conf
+          ldd /opt/intel/oclcpuexp_${OPENCL_RUNTIME_VER}/x64/libintelocl.so
       - name: Run tests
-        run: go test -race ./...
+        run: go test -race -test.v=true ./...

platform_test.go

@@ -0,0 +1,34 @@
+package cl30_test
+
+import (
+	"errors"
+	"testing"
+
+	cl "github.com/opencl-go/cl30"
+)
+
+func allPlatforms(tb testing.TB) []cl.PlatformID {
+	tb.Helper()
+	ids, err := cl.PlatformIDs()
+	if err != nil {
+		if errors.Is(err, cl.StatusError(-1001)) {
+			tb.Errorf("failed to query platform IDs: %v", err)
+		}
+		return nil
+	}
+	return ids
+}
+
+func TestPlatforms(t *testing.T) {
+	platformIDs := allPlatforms(t)
+	if len(platformIDs) == 0 {
+		t.Skipf("no platforms available")
+	}
+	for _, platformID := range platformIDs {
+		name, err := cl.PlatformInfoString(platformID, cl.PlatformNameInfo)
+		if err != nil {
+			t.Logf("failed to query name of platform: %v", err)
+		}
+		t.Logf("Platform <%s>\n", name)
+	}
+}