/*
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* cl_event.cpp - CL event
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*
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* Copyright (c) 2015 Intel Corporation
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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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* Author: Wind Yuan <feng.yuan@intel.com>
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*/
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#include "cl_event.h"
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namespace XCam {
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SmartPtr<CLEvent> CLEvent::NullEvent;
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CLEventList CLEvent::EmptyList;
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CLEvent::CLEvent (cl_event event_id)
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: _event_id (event_id)
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{
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}
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CLEvent::~CLEvent ()
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{
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if (_event_id) {
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clReleaseEvent (_event_id);
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}
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}
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XCamReturn
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CLEvent::wait ()
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{
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cl_int error_code = CL_SUCCESS;
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XCAM_FAIL_RETURN (
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DEBUG,
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_event_id,
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XCAM_RETURN_ERROR_PARAM,
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"cl event wait failed, there's no event id");
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error_code = clWaitForEvents (1, &_event_id);
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XCAM_FAIL_RETURN (
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WARNING,
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error_code == CL_SUCCESS,
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XCAM_RETURN_ERROR_CL,
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"cl event wait failed with error cod:%d", error_code);
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return XCAM_RETURN_NO_ERROR;
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}
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bool
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CLEvent::get_cl_event_info (
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cl_event_info param_name, size_t param_size,
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void *param, size_t *param_size_ret)
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{
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cl_int error_code = CL_SUCCESS;
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XCAM_FAIL_RETURN (
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DEBUG,
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_event_id,
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false,
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"cl event wait failed, there's no event id");
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clGetEventInfo (_event_id, param_name, param_size, param, param_size_ret);
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XCAM_FAIL_RETURN(
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WARNING,
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error_code == CL_SUCCESS,
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false,
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"clGetEventInfo failed on param:%d, errno:%d", param_name, error_code);
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return true;
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}
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XCamReturn
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cl_events_wait (CLEventList &event_list)
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{
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#define XCAM_MAX_CL_EVENT_COUNT 256
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cl_event event_ids [XCAM_MAX_CL_EVENT_COUNT];
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uint32_t event_count = 0;
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cl_int error_code = CL_SUCCESS;
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if (event_list.empty ())
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return XCAM_RETURN_NO_ERROR;
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xcam_mem_clear (event_ids);
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for (CLEventList::iterator iter = event_list.begin ();
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iter != event_list.end (); ++iter) {
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SmartPtr<CLEvent> &event = *iter;
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XCAM_ASSERT (event->get_event_id ());
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event_ids[event_count++] = event->get_event_id ();
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if (event_count >= XCAM_MAX_CL_EVENT_COUNT)
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break;
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}
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XCAM_ASSERT (event_count > 0);
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error_code = clWaitForEvents (event_count, event_ids);
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XCAM_FAIL_RETURN (
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WARNING,
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error_code == CL_SUCCESS,
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XCAM_RETURN_ERROR_CL,
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"cl events wait failed with error cod:%d", error_code);
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return XCAM_RETURN_NO_ERROR;
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}
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};
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