Add Queue support

Queues are responsible for scheduling operators and performing other
runtime related activities like for example tuning.

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: I0366d9048470d277b8cbf59fa42f95c0ae57c5c9
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5487
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: Michalis Spyrou <michalis.spyrou@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/gpu/unit/Queue.cpp b/tests/validation/gpu/unit/Queue.cpp
new file mode 100644
index 0000000..8154a79
--- /dev/null
+++ b/tests/validation/gpu/unit/Queue.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "tests/validation/fixtures/UNIT/QueueFixture.h"
+
+#include "arm_compute/AclOpenClExt.h"
+#include "src/gpu/cl/ClQueue.h"
+
+namespace arm_compute
+{
+namespace test
+{
+namespace validation
+{
+TEST_SUITE(CL)
+TEST_SUITE(UNIT)
+TEST_SUITE(Queue)
+
+EMPTY_BODY_FIXTURE_TEST_CASE(CreateQueueWithInvalidContext, CreateQueueWithInvalidContextFixture, framework::DatasetMode::ALL)
+EMPTY_BODY_FIXTURE_TEST_CASE(CreateQueuerWithInvalidOptions, CreateQueuerWithInvalidOptionsFixture<acl::Target::GpuOcl>, framework::DatasetMode::ALL)
+EMPTY_BODY_FIXTURE_TEST_CASE(DestroyInvalidQueue, DestroyInvalidQueueFixture<acl::Target::GpuOcl>, framework::DatasetMode::ALL)
+EMPTY_BODY_FIXTURE_TEST_CASE(SimpleQueue, SimpleQueueFixture<acl::Target::GpuOcl>, framework::DatasetMode::ALL)
+
+TEST_CASE(KhrQueuePriorities, framework::DatasetMode::ALL)
+{
+    acl::StatusCode err = acl::StatusCode::Success;
+
+    acl::Context ctx(acl::Target::GpuOcl, &err);
+    ARM_COMPUTE_ASSERT(err == acl::StatusCode::Success);
+
+    acl::Queue queue(ctx, &err);
+    ARM_COMPUTE_ASSERT(err == acl::StatusCode::Success);
+
+    cl_device_id cl_dev;
+    auto         status = AclGetClDevice(ctx.get(), &cl_dev);
+    ARM_COMPUTE_ASSERT(status == AclSuccess);
+
+    std::string extensions = cl::Device(cl_dev).getInfo<CL_DEVICE_EXTENSIONS>();
+    if(extensions.find("cl_khr_priority_hints") != std::string::npos)
+    {
+        cl_int error = CL_SUCCESS;
+
+        cl_context cl_ctx;
+        auto       status = AclGetClContext(ctx.get(), &cl_ctx);
+        ARM_COMPUTE_ASSERT(status == AclSuccess);
+
+        /* Check a queue with high priority */
+        cl_queue_properties queue_properties[] = { CL_QUEUE_PRIORITY_KHR, CL_QUEUE_PRIORITY_HIGH_KHR, 0 };
+        cl_command_queue    priority_queue     = clCreateCommandQueueWithProperties(cl_ctx, cl_dev, queue_properties, &error);
+        ARM_COMPUTE_ASSERT(error == CL_SUCCESS);
+
+        clReleaseCommandQueue(priority_queue);
+    }
+}
+
+TEST_SUITE_END() // Queue
+TEST_SUITE_END() // UNIT
+TEST_SUITE_END() // CL
+} // namespace validation
+} // namespace test
+} // namespace arm_compute