mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.3 KiB
104 lines
2.3 KiB
// This file is part of OpenCV project. |
|
// It is subject to the license terms in the LICENSE file found in the top-level directory |
|
// of this distribution and at http://opencv.org/license.html. |
|
|
|
// Copyright (C) 2016, Intel Corporation, all rights reserved. |
|
// Third party copyrights are property of their respective owners. |
|
|
|
// OpenVX related functions |
|
|
|
#include "precomp.hpp" |
|
#include "opencv2/core/ovx.hpp" |
|
#include "opencv2/core/openvx/ovx_defs.hpp" |
|
|
|
namespace cv |
|
{ |
|
|
|
namespace ovx |
|
{ |
|
#ifdef HAVE_OPENVX |
|
|
|
// Simple TLSData<ivx::Context> doesn't work, because default constructor doesn't create any OpenVX context. |
|
struct OpenVXTLSData |
|
{ |
|
OpenVXTLSData() : ctx(ivx::Context::create()) {} |
|
ivx::Context ctx; |
|
}; |
|
|
|
static TLSData<OpenVXTLSData>& getOpenVXTLSData() |
|
{ |
|
CV_SINGLETON_LAZY_INIT_REF(TLSData<OpenVXTLSData>, new TLSData<OpenVXTLSData>()) |
|
} |
|
|
|
struct OpenVXCleanupFunctor |
|
{ |
|
~OpenVXCleanupFunctor() { getOpenVXTLSData().cleanup(); } |
|
}; |
|
static OpenVXCleanupFunctor g_openvx_cleanup_functor; |
|
|
|
ivx::Context& getOpenVXContext() |
|
{ |
|
return getOpenVXTLSData().get()->ctx; |
|
} |
|
|
|
#endif |
|
|
|
} // namespace |
|
|
|
|
|
bool haveOpenVX() |
|
{ |
|
#ifdef HAVE_OPENVX |
|
static int g_haveOpenVX = -1; |
|
if(g_haveOpenVX < 0) |
|
{ |
|
try |
|
{ |
|
ivx::Context context = ovx::getOpenVXContext(); |
|
vx_uint16 vComp = ivx::compiledWithVersion(); |
|
vx_uint16 vCurr = context.version(); |
|
g_haveOpenVX = |
|
VX_VERSION_MAJOR(vComp) == VX_VERSION_MAJOR(vCurr) && |
|
VX_VERSION_MINOR(vComp) == VX_VERSION_MINOR(vCurr) |
|
? 1 : 0; |
|
} |
|
catch(const ivx::WrapperError&) |
|
{ g_haveOpenVX = 0; } |
|
catch(const ivx::RuntimeError&) |
|
{ g_haveOpenVX = 0; } |
|
} |
|
return g_haveOpenVX == 1; |
|
#else |
|
return false; |
|
#endif |
|
} |
|
|
|
bool useOpenVX() |
|
{ |
|
#ifdef HAVE_OPENVX |
|
CoreTLSData* data = getCoreTlsData().get(); |
|
if( data->useOpenVX < 0 ) |
|
{ |
|
// enabled (if available) by default |
|
data->useOpenVX = haveOpenVX() ? 1 : 0; |
|
} |
|
return data->useOpenVX > 0; |
|
#else |
|
return false; |
|
#endif |
|
} |
|
|
|
void setUseOpenVX(bool flag) |
|
{ |
|
#ifdef HAVE_OPENVX |
|
if( haveOpenVX() ) |
|
{ |
|
CoreTLSData* data = getCoreTlsData().get(); |
|
data->useOpenVX = flag ? 1 : 0; |
|
} |
|
#else |
|
CV_Assert(!flag && "OpenVX support isn't enabled at compile time"); |
|
#endif |
|
} |
|
|
|
} // namespace cv
|
|
|