Open Source Computer Vision Library https://opencv.org/
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// 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.
#include "precomp.hpp"
#include "op_halide.hpp"
#include "op_inf_engine.hpp"
#include "ie_ngraph.hpp"
#include "op_vkcom.hpp"
#include "op_cuda.hpp"
#include "op_webnn.hpp"
#include "op_timvx.hpp"
#include "halide_scheduler.hpp"
namespace cv {
namespace dnn {
CV__DNN_INLINE_NS_BEGIN
class BackendRegistry
{
public:
typedef std::vector< std::pair<Backend, Target> > BackendsList;
const BackendsList & getBackends() const { return backends; }
static BackendRegistry & getRegistry()
{
static BackendRegistry impl;
return impl;
}
private:
BackendRegistry()
{
#ifdef HAVE_HALIDE
backends.push_back(std::make_pair(DNN_BACKEND_HALIDE, DNN_TARGET_CPU));
#ifdef HAVE_OPENCL
if (cv::ocl::useOpenCL())
backends.push_back(std::make_pair(DNN_BACKEND_HALIDE, DNN_TARGET_OPENCL));
#endif
#endif // HAVE_HALIDE
#ifdef HAVE_INF_ENGINE
if (openvino::checkTarget(DNN_TARGET_CPU))
{
#ifdef HAVE_DNN_NGRAPH
backends.push_back(std::make_pair(DNN_BACKEND_INFERENCE_ENGINE_NGRAPH, DNN_TARGET_CPU));
#endif
}
if (openvino::checkTarget(DNN_TARGET_MYRIAD))
{
#ifdef HAVE_DNN_NGRAPH
backends.push_back(std::make_pair(DNN_BACKEND_INFERENCE_ENGINE_NGRAPH, DNN_TARGET_MYRIAD));
#endif
}
if (openvino::checkTarget(DNN_TARGET_HDDL))
{
#ifdef HAVE_DNN_NGRAPH
backends.push_back(std::make_pair(DNN_BACKEND_INFERENCE_ENGINE_NGRAPH, DNN_TARGET_HDDL));
#endif
}
#ifdef HAVE_OPENCL
if (cv::ocl::useOpenCL() && ocl::Device::getDefault().isIntel())
{
if (openvino::checkTarget(DNN_TARGET_OPENCL))
{
#ifdef HAVE_DNN_NGRAPH
backends.push_back(std::make_pair(DNN_BACKEND_INFERENCE_ENGINE_NGRAPH, DNN_TARGET_OPENCL));
#endif
}
if (openvino::checkTarget(DNN_TARGET_OPENCL_FP16))
{
#ifdef HAVE_DNN_NGRAPH
backends.push_back(std::make_pair(DNN_BACKEND_INFERENCE_ENGINE_NGRAPH, DNN_TARGET_OPENCL_FP16));
#endif
}
}
#endif
#endif // HAVE_INF_ENGINE
#ifdef HAVE_WEBNN
if (haveWebnn())
{
backends.push_back(std::make_pair(DNN_BACKEND_WEBNN, DNN_TARGET_CPU));
}
#endif // HAVE_WEBNN
#ifdef HAVE_OPENCL
if (cv::ocl::useOpenCL())
{
backends.push_back(std::make_pair(DNN_BACKEND_OPENCV, DNN_TARGET_OPENCL));
backends.push_back(std::make_pair(DNN_BACKEND_OPENCV, DNN_TARGET_OPENCL_FP16));
}
#endif
backends.push_back(std::make_pair(DNN_BACKEND_OPENCV, DNN_TARGET_CPU));
#ifdef HAVE_VULKAN
if (haveVulkan())
backends.push_back(std::make_pair(DNN_BACKEND_VKCOM, DNN_TARGET_VULKAN));
#endif
#ifdef HAVE_CUDA
if (haveCUDA())
{
backends.push_back(std::make_pair(DNN_BACKEND_CUDA, DNN_TARGET_CUDA));
backends.push_back(std::make_pair(DNN_BACKEND_CUDA, DNN_TARGET_CUDA_FP16));
}
#endif
#ifdef HAVE_TIMVX
if (haveTimVX())
{
backends.push_back(std::make_pair(DNN_BACKEND_TIMVX, DNN_TARGET_NPU));
}
#endif
}
BackendsList backends;
};
std::vector<std::pair<Backend, Target>> getAvailableBackends()
{
return BackendRegistry::getRegistry().getBackends();
}
std::vector<Target> getAvailableTargets(Backend be)
{
if (be == DNN_BACKEND_DEFAULT)
be = (Backend)getParam_DNN_BACKEND_DEFAULT();
#ifdef HAVE_INF_ENGINE
if (be == DNN_BACKEND_INFERENCE_ENGINE)
be = DNN_BACKEND_INFERENCE_ENGINE_NGRAPH;
#endif
std::vector<Target> result;
const BackendRegistry::BackendsList all_backends = getAvailableBackends();
for (BackendRegistry::BackendsList::const_iterator i = all_backends.begin(); i != all_backends.end(); ++i)
{
if (i->first == be)
result.push_back(i->second);
}
return result;
}
CV__DNN_INLINE_NS_END
}} // namespace cv::dnn