diff options
Diffstat (limited to 'src/backends/reference/RefTensorHandle.cpp')
| -rw-r--r-- | src/backends/reference/RefTensorHandle.cpp | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/src/backends/reference/RefTensorHandle.cpp b/src/backends/reference/RefTensorHandle.cpp index fe9310f423..59ccec6bac 100644 --- a/src/backends/reference/RefTensorHandle.cpp +++ b/src/backends/reference/RefTensorHandle.cpp @@ -11,7 +11,21 @@ RefTensorHandle::RefTensorHandle(const TensorInfo &tensorInfo, std::shared_ptr<R m_TensorInfo(tensorInfo), m_MemoryManager(memoryManager), m_Pool(nullptr), - m_UnmanagedMemory(nullptr) + m_UnmanagedMemory(nullptr), + m_ImportFlags(static_cast<MemorySourceFlags>(MemorySource::Undefined)), + m_Imported(false) +{ + +} + +RefTensorHandle::RefTensorHandle(const TensorInfo& tensorInfo, std::shared_ptr<RefMemoryManager> &memoryManager, + MemorySourceFlags importFlags) + : m_TensorInfo(tensorInfo), + m_MemoryManager(memoryManager), + m_Pool(nullptr), + m_UnmanagedMemory(nullptr), + m_ImportFlags(importFlags), + m_Imported(false) { } @@ -86,4 +100,43 @@ void RefTensorHandle::CopyInFrom(const void* src) memcpy(dest, src, m_TensorInfo.GetNumBytes()); } +bool RefTensorHandle::Import(void* memory, MemorySource source) +{ + + if (m_ImportFlags & static_cast<MemorySourceFlags>(source)) + { + if (source == MemorySource::Malloc) + { + // Checks the 16 byte memory alignment. + if (reinterpret_cast<uint64_t>(memory) % 16) + { + return false; + } + + // m_UnmanagedMemory not yet allocated. + if (!m_Imported && !m_UnmanagedMemory) + { + m_UnmanagedMemory = memory; + m_Imported = true; + return true; + } + + // m_UnmanagedMemory initially allocated with Allocate(). + if (!m_Imported && m_UnmanagedMemory) + { + return false; + } + + // m_UnmanagedMemory previously imported. + if (m_Imported) + { + m_UnmanagedMemory = memory; + return true; + } + } + } + + return false; +} + } |