Add OpenCL 1.2 shared library loader and wrapper

WORKSPACE

 workspace(name = "mace")
 
+# proto_library rules implicitly depend on @com_google_protobuf//:protoc,
+# which is the proto-compiler.
+# This statement defines the @com_google_protobuf repo.
 http_archive(
-    name = "org_tensorflow",
-    urls = ["http://v9.git.n.xiaomi.com/deep-learning/tensorflow/repository/archive.zip?ref=v1.3.0"],
-    strip_prefix = "tensorflow-v1.3.0-9e76bf324f6bac63137a02bb6e6ec9120703ea9b",
-    sha256 = "97049d3a59a77858e12c55422bd129261b14e869a91aebcdcc39439393c00dc7",
+    name = "com_google_protobuf",
+    urls = ["http://v9.git.n.xiaomi.com/deep-learning/protobuf/repository/archive.zip?ref=c7457ef65a7a8584b1e3bd396c401ccf8e275ffa"],
+    strip_prefix = "protobuf-c7457ef65a7a8584b1e3bd396c401ccf8e275ffa-c7457ef65a7a8584b1e3bd396c401ccf8e275ffa",
+    sha256 = "0a54cae83b77f4b54b7db4eaebadd81fbe91655e84a1ef3f6d29116d75f3a45f",
 )
 
-# TensorFlow depends on "io_bazel_rules_closure" so we need this here.
-# Needs to be kept in sync with the same target in TensorFlow's WORKSPACE file.
+# cc_proto_library rules implicitly depend on @com_google_protobuf_cc//:cc_toolchain,
+# which is the C++ proto runtime (base classes and common utilities).
 http_archive(
-    name = "io_bazel_rules_closure",
-    sha256 = "60fc6977908f999b23ca65698c2bb70213403824a84f7904310b6000d78be9ce",
-    strip_prefix = "rules_closure-5ca1dab6df9ad02050f7ba4e816407f88690cf7d",
-    urls = [
-        "http://bazel-mirror.storage.googleapis.com/github.com/bazelbuild/rules_closure/archive/5ca1dab6df9ad02050f7ba4e816407f88690cf7d.tar.gz",  # 2017-02-03
-        "https://github.com/bazelbuild/rules_closure/archive/5ca1dab6df9ad02050f7ba4e816407f88690cf7d.tar.gz",
-    ],
+    name = "com_google_protobuf_cc",
+    urls = ["http://v9.git.n.xiaomi.com/deep-learning/protobuf/repository/archive.zip?ref=c7457ef65a7a8584b1e3bd396c401ccf8e275ffa"],
+    strip_prefix = "protobuf-c7457ef65a7a8584b1e3bd396c401ccf8e275ffa-c7457ef65a7a8584b1e3bd396c401ccf8e275ffa",
+    sha256 = "0a54cae83b77f4b54b7db4eaebadd81fbe91655e84a1ef3f6d29116d75f3a45f",
 )
 
 new_http_archive(
@@ -27,16 +27,19 @@ new_http_archive(
     build_file = "mace/third_party/gtest.BUILD",
 )
 
-# Import all of the tensorflow dependencies.
-load('@org_tensorflow//tensorflow:workspace.bzl', 'tf_workspace')
-tf_workspace(tf_repo_name = "org_tensorflow")
-
 new_http_archive(
-    name = "ncnn",
-    urls = ["http://v9.git.n.xiaomi.com/deep-learning/ncnn/repository/archive.zip?ref=bazel-fix"],
-    strip_prefix = "ncnn-bazel-fix-ce5e416164545e1ab37fe3544502624f605ca234/src",
-    sha256 = "e6d76356179bcdbb988279f0b42ab050c8af55970e1ad767787ad21d5b7aad51",
-    build_file = "mace/third_party/ncnn.BUILD",
+    name = "six_archive",
+    urls = [
+        "http://mirror.bazel.build/pypi.python.org/packages/source/s/six/six-1.10.0.tar.gz",
+        "https://pypi.python.org/packages/source/s/six/six-1.10.0.tar.gz",
+    ],
+    sha256 = "105f8d68616f8248e24bf0e9372ef04d3cc10104f1980f54d57b2ce73a5ad56a",
+    strip_prefix = "six-1.10.0",
+    build_file = "mace/third_party/six.BUILD",
+)
+bind(
+      name = "six",
+      actual = "@six_archive//:six",
 )
 
 new_http_archive(
@@ -50,6 +53,6 @@ new_http_archive(
 # Set up Android NDK
 android_ndk_repository(
     name = "androidndk",
-    # Android 4.0
-    api_level = 14
+    # Android 5.0
+    api_level = 21
 )

mace/core/BUILD

@@ -12,11 +12,15 @@ load("//mace:mace.bzl", "if_android")
 cc_library(
     name = "opencl_runtime",
     srcs = glob([
-        "platform/opencl/*.hpp",
+        "platform/opencl/cl.hpp",
+        "platform/opencl/cl2.hpp",
+        "platform/opencl/opencl_wrapper.h",
+        "platform/opencl/opencl_wrapper.cc",
     ]),
     copts = ["-std=c++11"],
     deps = [
-        "@opencl_headers//:opencl20_headers",
+        "@opencl_headers//:opencl12_headers",
+        "core",
     ],
 )
 

mace/core/platform/opencl/opencl_wrapper.h

+//
+// Copyright (c) 2017 XiaoMi All rights reserved.
+//
+
+#include "CL/opencl.h"
+
+#include "mace/core/logging.h"
+
+#include <dlfcn.h>
+#include <mutex>
+
+namespace mace {
+bool OpenCLSupported();
+}  // namespace mace

mace/third_party/opencl-headers.BUILD

-cc_inc_library(
+cc_library(
     name = "opencl10_headers",
     hdrs = glob([
         "opencl10/CL/*.h",
     ]),
-    prefix = "opencl10",
+    strip_include_prefix = "opencl10",
     visibility = ["//visibility:public"],
 )
 
-cc_inc_library(
+cc_library(
     name = "opencl11_headers",
     hdrs = glob([
         "opencl11/CL/*.h",
     ]),
-    prefix = "opencli11",
+    strip_include_prefix = "opencl11",
     visibility = ["//visibility:public"],
 )
 
-cc_inc_library(
+cc_library(
     name = "opencl12_headers",
     hdrs = glob([
         "opencl12/CL/*.h",
     ]),
-    prefix = "opencl12",
+    strip_include_prefix = "opencl12",
     visibility = ["//visibility:public"],
 )
 
-cc_inc_library(
+cc_library(
     name = "opencl20_headers",
     hdrs = glob([
         "opencl20/CL/*.h",
     ]),
-    prefix = "opencl20",
+    strip_include_prefix = "opencl20",
     visibility = ["//visibility:public"],
 )
 
-cc_inc_library(
+cc_library(
     name = "opencl21_headers",
     hdrs = glob([
         "opencl21/CL/*.h",
     ]),
-    prefix = "opencl21",
+    strip_include_prefix = "opencl21",
     visibility = ["//visibility:public"],
 )
 
-cc_inc_library(
+cc_library(
     name = "opencl22_headers",
     hdrs = glob([
         "opencl22/CL/*.h",
     ]),
-    prefix = "opencl22",
+    strip_include_prefix = "opencl22",
     visibility = ["//visibility:public"],
 )