- Defines a schema for configuring delegates - Defines a C++ plugin mechanism using the schema, so that code can support configuring arbitrary delegates without a build-time dependency PiperOrigin-RevId: 316678829 Change-Id: I36ce8a6175b550d83dfe9cf1f237a04173fb8b16
166 lines
4.3 KiB
Python
166 lines
4.3 KiB
Python
# Copyright 2019 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ==============================================================================
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load("@flatbuffers//:build_defs.bzl", "flatbuffer_cc_library", "flatbuffer_java_library", "flatc_path")
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package(
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default_visibility = [
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"//visibility:public",
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],
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licenses = ["notice"], # Apache 2.0
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)
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genrule(
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name = "configuration_schema",
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srcs = ["configuration.proto"],
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outs = ["configuration.fbs"],
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# We rename the namespace since otherwise the proto classes and flatbuffer
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# classes would have the same names.
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cmd = """
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$(location {}) --proto -o $(@D) $(location :configuration.proto)
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perl -p -i -e 's/tflite.proto/tflite/' $(@D)/configuration.fbs
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""".format(flatc_path),
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tools = [
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flatc_path,
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],
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)
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genrule(
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name = "configuration_fbs_contents_cc",
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srcs = ["configuration.fbs"],
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outs = ["configuration_fbs_contents-inl.h"],
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cmd = """
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echo 'constexpr char configuration_fbs_contents[] = R"Delimiter(' > $(@)
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cat < $(<) >> $(@)
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echo ')Delimiter";' >> $(@)
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""",
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)
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proto_library(
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name = "configuration_proto",
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srcs = [
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"configuration.proto",
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],
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)
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cc_proto_library(
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name = "configuration_cc_proto",
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deps = [":configuration_proto"],
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)
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java_lite_proto_library(
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name = "configuration_java_proto_lite",
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deps = [":configuration_proto"],
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)
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flatbuffer_cc_library(
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name = "configuration_fbs",
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srcs = [":configuration.fbs"],
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)
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flatbuffer_java_library(
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name = "configuration_fbs_java",
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srcs = [":configuration.fbs"],
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)
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cc_library(
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name = "proto_to_flatbuffer",
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srcs = [
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"configuration_fbs_contents-inl.h",
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"proto_to_flatbuffer.cc",
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],
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hdrs = ["proto_to_flatbuffer.h"],
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deps = [
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":configuration_cc_proto",
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":configuration_fbs",
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"//tensorflow/core/platform:protobuf",
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"//tensorflow/lite:minimal_logging",
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"@flatbuffers",
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],
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)
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cc_library(
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name = "delegate_registry",
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srcs = ["delegate_registry.cc"],
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hdrs = ["delegate_registry.h"],
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deps = [
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":configuration_fbs",
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"//tensorflow/lite/c:common",
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"@com_google_absl//absl/synchronization",
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],
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)
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cc_library(
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name = "nnapi_plugin",
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srcs = ["nnapi_plugin.cc"],
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deps = [
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":configuration_fbs",
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":delegate_registry",
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"//tensorflow/lite/delegates/nnapi:nnapi_delegate",
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"@com_google_absl//absl/memory",
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],
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alwayslink = 1, # For registration to always run.
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)
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cc_test(
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name = "nnapi_plugin_test",
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srcs = ["nnapi_plugin_test.cc"],
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tags = [
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"no_mac",
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"no_windows",
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"tflite_not_portable_ios",
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],
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deps = [
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":configuration_fbs",
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":delegate_registry",
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":nnapi_plugin",
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"//tensorflow/lite:framework",
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"//tensorflow/lite/c:common",
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"//tensorflow/lite/delegates/nnapi:nnapi_delegate",
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"//tensorflow/lite/delegates/nnapi:nnapi_delegate_mock_test",
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"//tensorflow/lite/kernels:test_util",
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"@com_google_googletest//:gtest_main",
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"@flatbuffers",
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],
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)
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cc_library(
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name = "hexagon_plugin",
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srcs = ["hexagon_plugin.cc"],
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deps = [
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":configuration_fbs",
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":delegate_registry",
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"@com_google_absl//absl/memory",
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] + select({
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"//tensorflow:android": [
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"//tensorflow/lite/delegates/hexagon:hexagon_delegate",
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],
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"//conditions:default": [],
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}),
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alwayslink = 1, # For registration to always run.
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)
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cc_library(
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name = "gpu_plugin",
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srcs = ["gpu_plugin.cc"],
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deps = [
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":configuration_fbs",
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":delegate_registry",
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"//tensorflow/lite/delegates/gpu:delegate",
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"@com_google_absl//absl/memory",
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],
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alwayslink = 1, # For registration to always run.
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)
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