Added official OpenCL headers.

https://github.com/KhronosGroup/OpenCL-Headers

PiperOrigin-RevId: 263040193

tensorflow/lite/delegates/gpu/BUILD

@@ -148,9 +148,9 @@ cc_library(
         "//tensorflow/lite/delegates/gpu/common:status",
         "//tensorflow/lite/delegates/gpu/common:util",
         "//tensorflow/lite/delegates/gpu/gl:portable",
-        "//third_party/opencl_headers",
         "@com_google_absl//absl/types:span",
         "@com_google_absl//absl/types:variant",
+        "@opencl_headers",
     ],
 )
 

tensorflow/lite/delegates/gpu/api.h

@@ -39,7 +39,7 @@ limitations under the License.
 
 #include "absl/types/span.h"
 #include "absl/types/variant.h"
-#include "third_party/opencl_headers/CL/cl.h"
+#include <CL/cl.h>
 #include "tensorflow/lite/delegates/gpu/common/data_type.h"
 #include "tensorflow/lite/delegates/gpu/common/status.h"
 #include "tensorflow/lite/delegates/gpu/common/util.h"

tensorflow/workspace.bzl

@@ -28,6 +28,7 @@ load("//third_party/hwloc:workspace.bzl", hwloc = "repo")
 load("//third_party/icu:workspace.bzl", icu = "repo")
 load("//third_party/jpeg:workspace.bzl", jpeg = "repo")
 load("//third_party/nasm:workspace.bzl", nasm = "repo")
+load("//third_party/opencl_headers:workspace.bzl", opencl_headers = "repo")
 load("//third_party/kissfft:workspace.bzl", kissfft = "repo")
 load("//third_party/keras_applications_archive:workspace.bzl", keras_applications = "repo")
 load("//third_party/pasta:workspace.bzl", pasta = "repo")
@@ -44,6 +45,7 @@ def initialize_third_party():
     kissfft()
     jpeg()
     nasm()
+    opencl_headers()
     pasta()
 
 # Sanitize a dependency so that it works correctly from code that includes

third_party/opencl_headers/BUILD.bazel

@@ -0,0 +1,28 @@
+# Description:
+#  OpenCL(TM) API Headers
+
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+exports_files(["LICENSE"])
+
+cc_library(
+    name = "opencl_headers",
+    hdrs = [
+        "CL/cl.h",
+        "CL/cl_d3d10.h",
+        "CL/cl_d3d11.h",
+        "CL/cl_dx9_media_sharing.h",
+        "CL/cl_egl.h",
+        "CL/cl_ext.h",
+        "CL/cl_ext_intel.h",
+        "CL/cl_gl.h",
+        "CL/cl_gl_ext.h",
+        "CL/cl_platform.h",
+        "CL/cl_va_api_media_sharing_intel.h",
+        "CL/cl_version.h",
+        "CL/opencl.h",
+    ],
+    includes = ["."],
+)

third_party/opencl_headers/workspace.bzl

@@ -0,0 +1,15 @@
+"""Loads OpenCL-Headers, used by TF Lite."""
+
+load("//third_party:repo.bzl", "third_party_http_archive")
+
+def repo():
+    third_party_http_archive(
+        name = "opencl_headers",
+        strip_prefix = "OpenCL-Headers-0d5f18c6e7196863bc1557a693f1509adfcee056",
+        sha256 = "03cbc1fd449399be0422cdb021400f63958ef2c5a7c099a0d8f36a705b312f53",
+        urls = [
+            "https://mirror.bazel.build/github.com/KhronosGroup/OpenCL-Headers/archive/0d5f18c6e7196863bc1557a693f1509adfcee056.tar.gz",
+            "https://github.com/KhronosGroup/OpenCL-Headers/archive/0d5f18c6e7196863bc1557a693f1509adfcee056.tar.gz",
+        ],
+        build_file = "//third_party/opencl_headers:BUILD.bazel",
+    )