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74 lines
2.3 KiB
74 lines
2.3 KiB
//
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// Copyright (c) 2017 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "testBase.h"
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#include "action_classes.h"
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#include "harness/conversions.h"
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#include <thread>
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#if !defined(_MSC_VER)
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#include <unistd.h>
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#endif // !_MSC_VER
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void trigger_user_event(cl_event *event)
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{
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usleep(1000000);
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log_info("\tTriggering gate from separate thread...\n");
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clSetUserEventStatus(*event, CL_COMPLETE);
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}
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int test_userevents_multithreaded(cl_device_id deviceID, cl_context context,
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cl_command_queue queue, int num_elements)
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{
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cl_int error;
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// Set up a user event to act as a gate
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clEventWrapper gateEvent = clCreateUserEvent(context, &error);
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test_error(error, "Unable to create user gate event");
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// Set up a few actions gated on the user event
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NDRangeKernelAction action1;
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ReadBufferAction action2;
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WriteBufferAction action3;
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clEventWrapper actionEvents[3];
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Action *actions[] = { &action1, &action2, &action3, NULL };
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for (int i = 0; actions[i] != NULL; i++)
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{
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error = actions[i]->Setup(deviceID, context, queue);
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test_error(error, "Unable to set up test action");
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error = actions[i]->Execute(queue, 1, &gateEvent, &actionEvents[i]);
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test_error(error, "Unable to execute test action");
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}
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// Now, instead of releasing the gate, we spawn a separate thread to do so
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log_info("\tStarting trigger thread...\n");
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std::thread thread(trigger_user_event, &gateEvent);
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log_info("\tWaiting for actions...\n");
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error = clWaitForEvents(3, &actionEvents[0]);
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test_error(error, "Unable to wait for action events");
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thread.join();
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log_info("\tActions completed.\n");
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// If we got here without error, we're good
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return 0;
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}
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