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https://github.com/saymrwulf/onnxruntime.git
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65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
// Copyright 2019 Microsoft Corporation. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef WEAK_BUFFER_H
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#define WEAK_BUFFER_H
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#include <wrl.h>
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#include <wrl/client.h>
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#include <windows.storage.streams.h>
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#include <robuffer.h>
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namespace WinMLTest {
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template <typename T>
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struct WeakBuffer
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: public Microsoft::WRL::RuntimeClass<
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Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::WinRtClassicComMix | Microsoft::WRL::InhibitRoOriginateError>,
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ABI::Windows::Storage::Streams::IBuffer,
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Windows::Storage::Streams::IBufferByteAccess> {
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InspectableClass(L"WinMLTest.WeakBuffer", BaseTrust)
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private : const T* m_p_begin;
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const T* m_p_end;
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public:
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HRESULT RuntimeClassInitialize(_In_ const T* p_begin, _In_ const T* p_end) {
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m_p_begin = p_begin;
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m_p_end = p_end;
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE get_Capacity(UINT32* value) {
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if (value == nullptr) {
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return E_POINTER;
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}
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*value = static_cast<uint32_t>(m_p_end - m_p_begin) * sizeof(T);
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE get_Length(UINT32* value) {
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if (value == nullptr) {
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return E_POINTER;
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}
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*value = static_cast<uint32_t>(m_p_end - m_p_begin) * sizeof(T);
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE put_Length(UINT32 /*value*/) { return E_NOTIMPL; }
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STDMETHOD(Buffer)(uint8_t** value) {
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if (value == nullptr) {
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return E_POINTER;
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}
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*value = reinterpret_cast<uint8_t*>(const_cast<T*>(m_p_begin));
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return S_OK;
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}
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};
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} // namespace WinMLTest
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#endif // WEAK_BUFFER_H
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