Add tests for cl_khr_external_semaphore_dx_fence (#2482)

- Add tests to import DirectX 12 fences as semaphores.
- Add tests to export semaphores as DirectX 12 fences.
- Add queries tests.
- Add negative tests.

Fixes: https://github.com/KhronosGroup/OpenCL-CTS/issues/2480

test_conformance/common/directx_wrapper/directx_wrapper.hpp

@@ -0,0 +1,47 @@
+//
+// Copyright (c) 2025 The Khronos Group Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#pragma once
+
+#include <d3d12.h>
+#include <wrl/client.h>
+#include <stdexcept>
+
+using namespace Microsoft::WRL;
+
+class DirectXWrapper {
+public:
+    DirectXWrapper();
+
+    ID3D12Device* getDXDevice() const;
+    ID3D12CommandQueue* getDXCommandQueue() const;
+    ID3D12CommandAllocator* getDXCommandAllocator() const;
+
+protected:
+    ComPtr<ID3D12Device> dx_device = nullptr;
+    ComPtr<ID3D12CommandQueue> dx_command_queue = nullptr;
+    ComPtr<ID3D12CommandAllocator> dx_command_allocator = nullptr;
+};
+
+class DirectXFenceWrapper {
+public:
+    DirectXFenceWrapper(ID3D12Device* dx_device);
+    ID3D12Fence* operator*() const { return dx_fence.Get(); }
+
+private:
+    ComPtr<ID3D12Fence> dx_fence = nullptr;
+    ComPtr<ID3D12Device> dx_device = nullptr;
+};