1 /* 2 * cv_context.cpp - used to init_opencv_ocl once 3 * 4 * Copyright (c) 2016-2017 Intel Corporation 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 * Author: Andrey Parfenov <a1994ndrey@gmail.com> 19 * Author: Wind Yuan <feng.yuan@intel.com> 20 */ 21 22 #include "cv_context.h" 23 #include "cl_device.h" 24 #include "cl_memory.h" 25 26 namespace XCam { 27 28 Mutex CVContext::_init_mutex; 29 SmartPtr<CVContext> CVContext::_instance; 30 31 32 SmartPtr<CVContext> instance()33CVContext::instance () 34 { 35 SmartLock locker (_init_mutex); 36 if (_instance.ptr()) 37 return _instance; 38 39 _instance = new CVContext (); 40 _instance->init_opencv_ocl (); 41 return _instance; 42 } 43 44 void init_opencv_ocl()45CVContext::init_opencv_ocl () 46 { 47 _context = CLDevice::instance()->get_context(); 48 cl_platform_id platform_id = CLDevice::instance()->get_platform_id (); 49 char *platform_name = CLDevice::instance()->get_platform_name (); 50 cl_device_id device_id = CLDevice::instance()->get_device_id (); 51 cl_context _context_id = _context->get_context_id (); 52 cv::ocl::attachContext (platform_name, platform_id, _context_id, device_id); 53 cv::ocl::setUseOpenCL (cv::ocl::haveOpenCL()); 54 XCAM_LOG_DEBUG("Use OpenCL is: %s", cv::ocl::haveOpenCL() ? "true" : "false"); 55 } 56 57 bool enable_ocl(bool flag)58CVContext::enable_ocl (bool flag) 59 { 60 if (flag && !cv::ocl::haveOpenCL()) { 61 return false; 62 } 63 cv::ocl::setUseOpenCL (flag); 64 return true; 65 } 66 67 bool is_ocl_enabled() const68CVContext::is_ocl_enabled () const 69 { 70 return cv::ocl::useOpenCL (); 71 } 72 CVContext()73CVContext::CVContext () 74 { 75 76 } 77 ~CVContext()78CVContext::~CVContext () { 79 80 } 81 82 } 83