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85 lines
2.4 KiB
85 lines
2.4 KiB
6 years ago
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//==============================================================================
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//
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// Copyright (c) 2015 Qualcomm Technologies, Inc.
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// All Rights Reserved.
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// Confidential and Proprietary - Qualcomm Technologies, Inc.
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//
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//==============================================================================
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#ifndef _UDL_FUNC_HPP_
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#define _UDL_FUNC_HPP_
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#include <functional>
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#include "ZdlExportDefine.hpp"
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#include <DlSystem/IUDL.hpp>
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namespace zdl {
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namespace DlSystem {
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class UDLContext;
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}
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}
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namespace zdl { namespace DlSystem {
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/** @addtogroup c_plus_plus_apis C++
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@{ */
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/**
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* @brief .
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*
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* Definition of UDLFactoyFunc, using/typedef and default FactoryFunction
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* UDLBundle - a simple way to bundle func and cookie into one type
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*/
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/**
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* @brief .
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*
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* Convenient typedef for user defined layer creation factory
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*
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* @param[out] void* Cookie - a user opaque data that was passed during SNPE's runtime's
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* CreateInstance. SNPE's runtime is passing this back to the user.
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*
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* @param[out] DlSystem::UDLContext* - The specific Layer Description context what is passe
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* SNPE runtime.
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*
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* @return IUDL* - a Concrete instance of IUDL derivative
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*/
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using UDLFactoryFunc = std::function<zdl::DlSystem::IUDL* (void*, const zdl::DlSystem::UDLContext*)>;
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/**
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* @brief .
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*
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* default UDL factory implementation
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*
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* @param[out] DlSystem::UDLContext* - The specific Layer Description context what is passe
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* SNPE runtime.
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*
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* @param[out] void* Cookie - a user opaque data that was passed during SNPE's runtime's
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* CreateInstance. SNPE's runtime is passing this back to the user.
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*
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* @return IUDL* - nullptr to indicate SNPE's runtime that there is no specific
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* implementation for UDL. When SNPE's runtime sees nullptr as a return
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* value from the factory, it will halt execution if model has an unknown layer
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*
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*/
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inline ZDL_EXPORT zdl::DlSystem::IUDL* DefaultUDLFunc(void*, const zdl::DlSystem::UDLContext*) { return nullptr; }
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/**
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* @brief .
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*
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* Simple struct to bundle 2 elements.
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* A user defined cookie that would be returned for each
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* IUDL call. The user can place anything there and the
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* SNPE runtime will provide it back
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*/
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struct ZDL_EXPORT UDLBundle {
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void *cookie = nullptr;
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UDLFactoryFunc func = DefaultUDLFunc;
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};
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/** @} */ /* end_addtogroup c_plus_plus_apis C++ */
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}}
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#endif // _UDL_FUNC_HPP_
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