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Open Source Computer Vision Library
https://opencv.org/
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73 lines
1.7 KiB
73 lines
1.7 KiB
8 years ago
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// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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// Copyright (C) 2016, Intel Corporation, all rights reserved.
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// Third party copyrights are property of their respective owners.
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// OpenVX related functions
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#include "precomp.hpp"
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#include "opencv2/core/ovx.hpp"
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#include "opencv2/core/openvx/ovx_defs.hpp"
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namespace cv
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{
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bool haveOpenVX()
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{
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#ifdef HAVE_OPENVX
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static int g_haveOpenVX = -1;
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if(g_haveOpenVX < 0)
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{
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try
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{
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ivx::Context context = ivx::Context::create();
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vx_uint16 vComp = ivx::compiledWithVersion();
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vx_uint16 vCurr = context.version();
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g_haveOpenVX =
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VX_VERSION_MAJOR(vComp) == VX_VERSION_MAJOR(vCurr) &&
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VX_VERSION_MINOR(vComp) == VX_VERSION_MINOR(vCurr)
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? 1 : 0;
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}
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catch(const ivx::WrapperError&)
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{ g_haveOpenVX = 0; }
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catch(const ivx::RuntimeError&)
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{ g_haveOpenVX = 0; }
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}
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return g_haveOpenVX == 1;
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#else
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return false;
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#endif
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}
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bool useOpenVX()
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{
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#ifdef HAVE_OPENVX
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CoreTLSData* data = getCoreTlsData().get();
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if( data->useOpenVX < 0 )
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{
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// enabled (if available) by default
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data->useOpenVX = haveOpenVX() ? 1 : 0;
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}
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return data->useOpenVX > 0;
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#else
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return false;
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#endif
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}
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void setUseOpenVX(bool flag)
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{
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#ifdef HAVE_OPENVX
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if( haveOpenVX() )
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{
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CoreTLSData* data = getCoreTlsData().get();
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data->useOpenVX = flag ? 1 : 0;
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}
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#else
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CV_Assert(!flag && "OpenVX support isn't enabled at compile time");
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#endif
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}
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} // namespace cv
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