[SYC] E2E test for interop that keeps ownership in the app

Signed-off-by: Sergey V Maslov <[email protected]>

Author: smaslov-intel

SYCL/Plugin/interop-level-zero-keep-ownership.cpp

@@ -0,0 +1,39 @@
+// REQUIRES: level_zero,level_zero_headers
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -I %sycl_source_dir %s -o %t.out
+// RUN: env SYCL_BE=PI_LEVEL_ZERO %GPU_RUN_PLACEHOLDER %t.out
+
+// Test for Level Zero interop API where SYCL RT doesn't take ownership
+
+#include <CL/sycl.hpp>
+// clang-format off
+#include <level_zero/ze_api.h>
+#include <CL/sycl/backend/level_zero.hpp>
+// clang-format on
+
+using namespace cl::sycl;
+
+int main() {
+
+  // Creat SYCL platform/device
+  device Device(gpu_selector{});
+  platform Platform = Device.get_info<info::device::platform>();
+
+  // Create native Level-Zero context
+  ze_context_handle_t ZeContext;
+  ze_context_desc_t ZeContextDesc = {ZE_STRUCTURE_TYPE_CONTEXT_DESC, nullptr,
+                                     0};
+  auto ZeDriver = Platform.get_native<backend::level_zero>();
+  auto ZeDevice = Device.get_native<backend::level_zero>();
+  zeContextCreate(ZeDriver, &ZeContextDesc, &ZeContext);
+
+  { // Scope in which SYCL interop context object is live
+    vector_class<device> Devices{};
+    Devices.push_back(Device);
+    auto ContextInterop = level_zero::make<context>(
+        Devices, ZeContext, level_zero::ownership::keep);
+  }
+
+  // Verifies that Level-Zero context is not destroyed by SYCL RT yet.
+  zeContextDestroy(ZeContext);
+  return 0;
+}