[SYCL] Added test-e2e for queue, device, and event interop.

sycl/test-e2e/Basic/interop/interop_all_backends.cpp

@@ -0,0 +1,89 @@
+// REQUIRES: CUDA || HIP
+// RUN: %{build} %if hip %{ -DSYCL_EXT_ONEAPI_BACKEND_HIP %} %else %{ %if cuda %{ -DSYCL_EXT_ONEAPI_BACKEND_CUDA_EXPERIMENTAL %} %else %{ %if level_zero %{ -DSYCL_EXT_ONEAPI_BACKEND_L0 %} %} %} -o %t.out
+
+#include <sycl/sycl.hpp>
+using namespace sycl;
+
+#ifdef SYCL_EXT_ONEAPI_BACKEND_CUDA_EXPERIMENTAL
+#include <sycl/ext/oneapi/experimental/backend/cuda.hpp>
+constexpr auto BACKEND = backend::ext_oneapi_cuda;
+using nativeDevice = CUdevice;
+using nativeQueue = CUstream;
+using nativeEvent = CUevent;
+#elif defined(SYCL_EXT_ONEAPI_BACKEND_HIP)
+#include <sycl/ext/oneapi/backend/hip.hpp>
+constexpr auto BACKEND = backend::ext_oneapi_hip;
+using nativeDevice = hipDevice_t;
+using nativeQueue = hipStream_t;
+using nativeEvent = hipEvent_t;
+#elif defined(SYCL_EXT_ONEAPI_BACKEND_L0)
+constexpr auto BACKEND = backend::ext_oneapi_level_zero;
+using nativeDevice = ze_device_handle_t;
+using nativeQueue = ze_command_queue_handle_t;
+using nativeEvent = ze_event_handle_t;
+#else
+constexpr auto BACKEND = backend::opencl;
+using nativeDevice = cl_device;
+using nativeQueue = cl_command_queue;
+using nativeEvent = cl_event;
+#endif
+
+constexpr int N = 100;
+constexpr int VAL = 3;
+
+int main() {
+
+  assert(static_cast<bool>(
+      std::is_same_v<backend_traits<BACKEND>::return_type<device>,
+                     nativeDevice>));
+  assert(static_cast<bool>(
+      std::is_same_v<backend_traits<BACKEND>::return_type<queue>,
+                     nativeQueue>));
+  assert(static_cast<bool>(
+      std::is_same_v<backend_traits<BACKEND>::return_type<event>,
+                     nativeEvent>));
+
+  device Device;
+  backend_traits<BACKEND>::return_type<device> NativeDevice =
+      get_native<BACKEND>(Device);
+  // Create sycl device with a native device.
+  auto InteropDevice = make_device<BACKEND>(NativeDevice);
+
+  context Context(InteropDevice);
+
+  // Create sycl queue with device created from a native device.
+  queue Queue(InteropDevice, {sycl::property::queue::in_order()});
+  backend_traits<BACKEND>::return_type<queue> NativeQueue =
+      get_native<BACKEND>(Queue);
+  auto InteropQueue = make_queue<BACKEND>(NativeQueue, Context);
+
+  auto A = (int *)malloc_device(N * sizeof(int), InteropQueue);
+  std::vector<int> vec(N, 0);
+
+  auto Event = Queue.submit([&](handler &h) {
+    h.parallel_for<class kern1>(range<1>(N),
+                                [=](id<1> item) { A[item] = VAL; });
+  });
+
+  backend_traits<BACKEND>::return_type<event> NativeEvent =
+      get_native<BACKEND>(Event);
+  // Create sycl event with a native event.
+  event InteropEvent = make_event<BACKEND>(NativeEvent, Context);
+
+  // depends_on sycl event created from a native event.
+  auto Event2 = InteropQueue.submit([&](handler &h) {
+    h.depends_on(InteropEvent);
+    h.parallel_for<class kern2>(range<1>(N), [=](id<1> item) { A[item]++; });
+  });
+
+  auto Event3 = InteropQueue.memcpy(&vec[0], A, N * sizeof(int), Event2);
+  Event3.wait();
+
+  free(A, InteropQueue);
+
+  for (const auto &val : vec) {
+    assert(val == VAL + 1);
+  }
+
+  return 0;
+}