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99 lines
2.9 KiB
99 lines
2.9 KiB
7 years ago
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//=============================================================================
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//
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// Copyright (c) 2016-2017 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 _DL_SYSTEM_IUDL_HPP_
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#define _DL_SYSTEM_IUDL_HPP_
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#include "ZdlExportDefine.hpp"
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namespace zdl {
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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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* Base class user concrete UDL implementation.
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*
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* All functions are marked as:
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*
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* - virtual
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* - noexcept
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*
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* User should make sure no exceptions are propagated outside of
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* their module. Errors can be communicated via return values.
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*/
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class ZDL_EXPORT IUDL {
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public:
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/**
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* @brief .
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*
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* Destructor
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*/
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virtual ~IUDL() = default;
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/**
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* @brief Sets up the user's environment.
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* This is called by the SNPE framework to allow the user the
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* opportunity to setup anything which is needed for running
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* user defined layers.
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*
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* @param cookie User provided opaque data returned by the SNPE
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* runtime
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*
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* @param insz How many elements in input size array
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* @param indim Pointer to a buffer that holds input dimension
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* array
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* @param indimsz Input dimension size array of the buffer
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* 'indim'. Corresponds to indim
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*
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* @param outsz How many elements in output size array
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* @param outdim Pointer to a buffer that holds output
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* dimension array
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* @param outdimsz Output dimension size of the buffer 'oudim'.
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* Corresponds to indim
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*
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* @return true on success, false otherwise
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*/
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virtual bool setup(void *cookie,
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size_t insz, const size_t **indim, const size_t *indimsz,
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size_t outsz, const size_t **outdim, const size_t *outdimsz) = 0;
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/**
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* @brief Close the instance. Invoked by the SNPE
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* framework to allow the user the opportunity to release any resources
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* allocated during setup.
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*
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* @param cookie - User provided opaque data returned by the SNPE runtime
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*/
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virtual void close(void *cookie) noexcept = 0;
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/**
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* @brief Execute the user defined layer
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*
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* @param cookie User provided opaque data returned by the SNPE
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* runtime
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*
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* @param input Const pointer to a float buffer that contains
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* the input
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*
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* @param output Float pointer to a buffer that would hold
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* the user defined layer's output. This buffer
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* is allocated and owned by SNPE runtime.
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*/
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virtual bool execute(void *cookie, const float **input, float **output) = 0;
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};
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/** @} */ /* end_addtogroup c_plus_plus_apis C++ */
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} // ns DlSystem
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} // ns zdl
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#endif // _DL_SYSTEM_IUDL_HPP_
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