Improve enqueue kernel error handling.

- Do not allow to enqueue parent kernel if there is no device queue.

Change-Id: I0f06b8ed2387fc87abd652653f2c8bb8c4939a12
Signed-off-by: Michal Mrozek <michal.mrozek@intel.com>

Author: MichalMrozek

runtime/command_queue/enqueue_kernel.h

@@ -40,6 +40,10 @@ cl_int CommandQueueHw<GfxFamily>::enqueueKernel(
     auto &kernel = *castToObject<Kernel>(clKernel);
     const auto &kernelInfo = kernel.getKernelInfo();
 
+    if (kernel.isParentKernel && !this->context->getDefaultDeviceQueue()) {
+        return CL_INVALID_OPERATION;
+    }
+
     if (!kernel.isPatched()) {
         if (event) {
             *event = nullptr;

unit_tests/command_queue/enqueue_kernel_2_tests.cpp

@@ -882,3 +882,16 @@ HWCMDTEST_F(IGFX_GEN8_CORE, EnqueueAuxKernelTests, givenParentKernelWhenAuxTrans
         EXPECT_EQ(1u, cmdQ.waitCalled);
     }
 }
+
+HWCMDTEST_F(IGFX_GEN8_CORE, EnqueueAuxKernelTests, givenParentKernelButNoDeviceQueueWhenEnqueueIsCalledItReturnsInvalidOperation) {
+    if (pDevice->getSupportedClVersion() >= 20) {
+        MyCmdQ<FamilyType> cmdQ(context, pDevice);
+        size_t gws[3] = {1, 0, 0};
+
+        std::unique_ptr<MockParentKernel> parentKernel(MockParentKernel::create(*context, false, false, false, false, false));
+        parentKernel->initialize();
+
+        auto status = cmdQ.enqueueKernel(parentKernel.get(), 1, nullptr, gws, nullptr, 0, nullptr, nullptr);
+        EXPECT_EQ(CL_INVALID_OPERATION, status);
+    }
+}