diff options
Diffstat (limited to 'include/armnn/backends/ICustomAllocator.hpp')
| -rw-r--r-- | include/armnn/backends/ICustomAllocator.hpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/include/armnn/backends/ICustomAllocator.hpp b/include/armnn/backends/ICustomAllocator.hpp index 2cb5f41f78..eb8dfe1459 100644 --- a/include/armnn/backends/ICustomAllocator.hpp +++ b/include/armnn/backends/ICustomAllocator.hpp @@ -8,6 +8,7 @@ #include <cstddef> #include <memory> #include <armnn/MemorySources.hpp> +#include <armnn/utility/IgnoreUnused.hpp> namespace armnn { @@ -31,13 +32,26 @@ public: /** Interface to be implemented by the child class to free the allocated bytes */ virtual void free(void* ptr) = 0; - // Used to specify what type of memory is being allocated by this allocator. - // Supported types are: - // MemorySource::Malloc - // MemorySource::DmaBuf - // Unsupported types are: - // MemorySource::DmaBufProtected + /** Used to specify what type of memory is being allocated by this allocator. + * Supported types are: + * MemorySource::Malloc + * MemorySource::DmaBuf + * Unsupported types are: + * MemorySource::DmaBufProtected + */ virtual armnn::MemorySource GetMemorySourceType() = 0; + /** Interface that may be implemented to allow retrieval of Memory Region + * from allocated buffer at a certain offset + */ + virtual void* GetMemoryRegionAtOffset(void* buffer, size_t offset, size_t alignment = 0) + { + IgnoreUnused(offset); + IgnoreUnused(alignment); + IgnoreUnused(buffer); + throw armnn::Exception( + "ICustomerAllocator::GetMemoryRegionAtOffset(): This function should be overridden in subclass."); + } + }; } // namespace armnn
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