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Disable NNAPI on nacl

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Also refactor NNAPI build rules to rely on a single
gate for support checking.

PiperOrigin-RevId: 304035383
Change-Id: I9192efe27a320a4a60a05e86f4f3cad896cb9842
This commit is contained in:
Jared Duke 2020-03-31 13:33:21 -07:00 committed by TensorFlower Gardener
parent 44fe00d030
commit 6860e7fb66
2 changed files with 32 additions and 48 deletions
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61
tensorflow/lite/nnapi/BUILD
View File

@ -1,3 +1,5 @@
load("//tensorflow/lite:special_rules.bzl", "if_nnapi")
package(
default_visibility = [
"//visibility:public",
@ -11,51 +13,22 @@ cc_library(
"NeuralNetworksShim.h",
"NeuralNetworksTypes.h",
],
linkopts = select({
"//tensorflow:emscripten": [],
"//tensorflow:ios": [],
"//tensorflow:macos": [],
"//tensorflow:windows": [],
"//conditions:default": ["-ldl"],
}),
linkopts = if_nnapi(["-ldl"]),
)
cc_library(
name = "nnapi_implementation",
srcs = select({
"//tensorflow:emscripten": [
"nnapi_implementation_disabled.cc",
],
"//tensorflow:ios": [
"nnapi_implementation_disabled.cc",
],
"//tensorflow:macos": [
"nnapi_implementation_disabled.cc",
],
"//tensorflow:windows": [
"nnapi_implementation_disabled.cc",
],
"//conditions:default": [
"nnapi_implementation.cc",
],
}),
srcs = if_nnapi(
not_supported = ["nnapi_implementation_disabled.cc"],
supported = ["nnapi_implementation.cc"],
),
hdrs = [
"nnapi_implementation.h",
],
linkopts = select({
"//tensorflow:emscripten": [],
"//tensorflow:ios": [],
"//tensorflow:macos": [],
"//tensorflow:windows": [],
"//conditions:default": ["-ldl"],
}) + select({
"//tensorflow:android": [],
"//tensorflow:emscripten": [],
"//tensorflow:ios": [],
"//tensorflow:macos": [],
"//tensorflow:windows": [],
"//conditions:default": ["-lrt"],
}),
linkopts = if_nnapi(["-ldl"]) + if_nnapi(
supported = ["-lrt"],
supported_android = [],
),
deps = [
":nnapi_lib",
],
@ -84,16 +57,8 @@ cc_test(
# Cannot inject NNAPI instance on ios and windows
cc_library(
name = "nnapi_handler",
srcs = select({
"//tensorflow:ios": [],
"//tensorflow:windows": [],
"//conditions:default": ["nnapi_handler.cc"],
}),
hdrs = select({
"//tensorflow:ios": [],
"//tensorflow:windows": [],
"//conditions:default": ["nnapi_handler.h"],
}),
srcs = if_nnapi(["nnapi_handler.cc"]),
hdrs = if_nnapi(["nnapi_handler.h"]),
deps = [
":nnapi_implementation",
":nnapi_lib",

19
tensorflow/lite/special_rules.bzl
View File

@ -1,5 +1,10 @@
"""External versions of build rules that differ outside of Google."""
load(
"//tensorflow:tensorflow.bzl",
"clean_dep",
)
def tflite_portable_test_suite(**kwargs):
"""This is a no-op outside of Google."""
_ignore = [kwargs]
@ -26,3 +31,17 @@ def tflite_extra_gles_deps():
def tflite_ios_lab_runner(version):
"""This is a no-op outside of Google."""
return None
def if_nnapi(supported, not_supported = [], supported_android = None):
if supported_android == None:
supported_android = supported
# We use a blacklist rather than a whitelist for known unsupported platforms.
return select({
clean_dep("//tensorflow:emscripten"): not_supported,
clean_dep("//tensorflow:ios"): not_supported,
clean_dep("//tensorflow:macos"): not_supported,
clean_dep("//tensorflow:windows"): not_supported,
clean_dep("//tensorflow:android"): supported_android,
"//conditions:default": supported,
})