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[ET-VK] Add util to extract VkGraph from Program delegate data #8219

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Feb 5, 2025
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[ET-VK] Add util to extract VkGraph from Program delegate data #8219

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9 changes: 9 additions & 0 deletions backends/vulkan/serialization/vulkan_graph_serialize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,15 @@ def flatbuffer_to_vk_graph(flatbuffers: bytes) -> VkGraph:
return _json_to_dataclass(json.load(output_file), VkGraph)


def extract_vk_flatbuffer(data: bytes) -> bytes:
h: VulkanDelegateHeader = VulkanDelegateHeader.from_bytes(
data[: VulkanDelegateHeader.EXPECTED_LENGTH]
)
start = h.flatbuffer_offset
end = h.flatbuffer_offset + h.flatbuffer_size
return data[start:end]


@dataclass
class VulkanDelegateHeader:
# Defines the byte region that each component of the header corresponds to
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