1 files changed, 66 insertions, 0 deletions
diff --git a/tools/gfx-unit-test/get-shared-handle.cpp b/tools/gfx-unit-test/get-shared-handle.cpp
new file mode 100644
index 000000000..7c091abc8
--- /dev/null
+++ b/tools/gfx-unit-test/get-shared-handle.cpp
@@ -0,0 +1,66 @@
+#include "tools/unit-test/slang-unit-test.h"
+
+#include "slang-gfx.h"
+#include "gfx-test-util.h"
+#include "tools/gfx-util/shader-cursor.h"
+#include "source/core/slang-basic.h"
+
+using namespace gfx;
+
+namespace gfx_test
+{
+    void sharedHandleTestImpl(IDevice* srcDevice, IDevice* dstDevice, UnitTestContext* context)
+    {
+        const int numberCount = 4;
+        float initialData[] = { 0.0f, 1.0f, 2.0f, 3.0f };
+        IBufferResource::Desc bufferDesc = {};
+        bufferDesc.sizeInBytes = numberCount * sizeof(float);
+        bufferDesc.format = gfx::Format::Unknown;
+        bufferDesc.elementSize = sizeof(float);
+        bufferDesc.allowedStates = ResourceStateSet(
+            ResourceState::ShaderResource,
+            ResourceState::UnorderedAccess,
+            ResourceState::CopyDestination,
+            ResourceState::CopySource);
+        bufferDesc.defaultState = ResourceState::UnorderedAccess;
+        bufferDesc.cpuAccessFlags = AccessFlag::Write | AccessFlag::Read;
+        bufferDesc.isShared = true;
+
+        ComPtr<IBufferResource> srcBuffer;
+        GFX_CHECK_CALL_ABORT(srcDevice->createBufferResource(
+            bufferDesc,
+            (void*)initialData,
+            srcBuffer.writeRef()));
+
+        InteropHandle sharedHandle;
+        GFX_CHECK_CALL_ABORT(srcBuffer->getSharedHandle(&sharedHandle));
+        ComPtr<IBufferResource> dstBuffer;
+        GFX_CHECK_CALL_ABORT(dstDevice->createBufferFromSharedHandle(sharedHandle, bufferDesc, dstBuffer.writeRef()));
+
+        InteropHandle testHandle;
+        GFX_CHECK_CALL_ABORT(dstBuffer->getNativeResourceHandle(&testHandle));
+        IBufferResource::Desc* testDesc = dstBuffer->getDesc();
+        SLANG_CHECK(testDesc->elementSize == sizeof(float));
+        SLANG_CHECK(testDesc->sizeInBytes == numberCount * sizeof(float));
+        compareComputeResult(dstDevice, dstBuffer, Slang::makeArray<float>(0.0f, 1.0f, 2.0f, 3.0f));
+    }
+
+    void sharedHandleTestAPI(UnitTestContext* context, Slang::RenderApiFlag::Enum srcApi, Slang::RenderApiFlag::Enum dstApi)
+    {
+        auto srcDevice = createTestingDevice(context, srcApi);
+        auto dstDevice = createTestingDevice(context, dstApi);
+        if (!srcDevice || !dstDevice)
+        {
+            SLANG_IGNORE_TEST;
+        }
+
+        sharedHandleTestImpl(srcDevice, dstDevice, context);
+    }
+#if 0
+    // Temporarily disabled due to inconsistent test results on TC
+    SLANG_UNIT_TEST(sharedHandleD3D12ToCUDA)
+    {
+        sharedHandleTestAPI(unitTestContext, Slang::RenderApiFlag::D3D12, Slang::RenderApiFlag::CUDA);
+    }
+#endif
+}