patch/0004-gpu-delegate.patch

Enable Gpu Delegate for ChromeOS.

diff --git a/tensorflow/lite/BUILD b/tensorflow/lite/BUILD
index d58f3f7f12f..cf26081ec16 100644
--- a/tensorflow/lite/BUILD
+++ b/tensorflow/lite/BUILD
@@ -1385,6 +1385,7 @@ tflite_cc_shared_object(
         ":tflite_exported_symbols.lds",
         ":tflite_version_script.lds",
         "//tensorflow/lite/kernels:builtin_ops_all_linked",
+        "//tensorflow/lite/delegates/gpu:delegate",
     ],
 )
 
diff --git a/tensorflow/lite/acceleration/configuration/gpu_plugin.h b/tensorflow/lite/acceleration/configuration/gpu_plugin.h
index a45c44d8ca3..048795eab47 100644
--- a/tensorflow/lite/acceleration/configuration/gpu_plugin.h
+++ b/tensorflow/lite/acceleration/configuration/gpu_plugin.h
@@ -18,7 +18,7 @@ limitations under the License.
 // This file provides the GpuPlugin class, which implements the
 // TFLite Delegate Plugin for the GPU Delegate.
 
-#if defined(__ANDROID__) || defined(CL_DELEGATE_NO_GL)
+#if defined(__ANDROID__) || defined(CL_DELEGATE_NO_GL) || defined(FORCE_ENABLE_GPU_DELEGATE)
 #define TFLITE_SUPPORTS_GPU_DELEGATE 1
 #endif
 
diff --git a/tensorflow/lite/core/kernels/BUILD b/tensorflow/lite/core/kernels/BUILD
index 81d643a6759..981c41a54d6 100644
--- a/tensorflow/lite/core/kernels/BUILD
+++ b/tensorflow/lite/core/kernels/BUILD
@@ -28,25 +28,14 @@ cc_test(
     ],
 )
 
-cc_library(
+# Make this an alias to avoid ODR violation with GPU delegate.
+alias(
     name = "builtin_ops",
-    srcs = ["register.cc"],
-    hdrs = [
-        "builtin_op_kernels.h",
-        "register.h",
-    ],
+    actual = "builtin_ops_all_linked",
     compatible_with = get_compatible_with_portable(),
     visibility = [
         "//tensorflow/lite:__subpackages__",
     ] + builtin_ops_visibility_allowlist(),
-    deps = [
-        "//tensorflow/lite:mutable_op_resolver",
-        "//tensorflow/lite:tflite_with_xnnpack_optional",
-        "//tensorflow/lite/core:cc_api_stable",
-        "//tensorflow/lite/core/c:common",
-        "//tensorflow/lite/kernels:builtin_op_kernels",
-        "//tensorflow/lite/schema:schema_fbs",
-    ],
 )
 
 # For internal usage by shared libraries only.
diff --git a/tensorflow/lite/delegates/gpu/BUILD b/tensorflow/lite/delegates/gpu/BUILD
index bd47abe9057..4856274cc2d 100644
--- a/tensorflow/lite/delegates/gpu/BUILD
+++ b/tensorflow/lite/delegates/gpu/BUILD
@@ -33,6 +33,11 @@ config_setting(
     },
 )
 
+config_setting(
+    name = "force_enable_gpu_delegate",
+    values = {"copt": "-DFORCE_ENABLE_GPU_DELEGATE"},
+)
+
 cc_library(
     name = "gl_delegate",
     srcs = ["gl_delegate.cc"],
@@ -216,6 +221,7 @@ selects.config_setting_group(
     name = "supports_gpu_delegate",
     match_any = [
         "//tensorflow:android",
+        "//tensorflow/lite/delegates/gpu:force_enable_gpu_delegate",
         "//tensorflow/lite/delegates/gpu/cl:opencl_delegate_no_gl",
     ],
 )
diff --git a/tensorflow/lite/delegates/gpu/build_defs.bzl b/tensorflow/lite/delegates/gpu/build_defs.bzl
index cdea91aec86..58b8386e610 100644
--- a/tensorflow/lite/delegates/gpu/build_defs.bzl
+++ b/tensorflow/lite/delegates/gpu/build_defs.bzl
@@ -3,7 +3,7 @@
 def gpu_delegate_linkopts():
     """Additional link options needed when linking in the GPU Delegate."""
     return select({
-        "//tensorflow:android": [
+        "//tensorflow/lite/delegates/gpu:force_enable_gpu_delegate": [
             "-lEGL",
             # We don't need to link libGLESv3, because if it exists,
             # it is a symlink to libGLESv2.
diff --git a/tensorflow/lite/delegates/gpu/cl/BUILD b/tensorflow/lite/delegates/gpu/cl/BUILD
index 84004f80218..75bb4953406 100644
--- a/tensorflow/lite/delegates/gpu/cl/BUILD
+++ b/tensorflow/lite/delegates/gpu/cl/BUILD
@@ -350,7 +350,7 @@ cc_library(
     srcs = ["gpu_api_delegate.cc"],
     hdrs = ["gpu_api_delegate.h"],
     linkopts = select({
-        "//tensorflow:android": [
+        "//tensorflow/lite/delegates/gpu:force_enable_gpu_delegate": [
             "-lEGL",
             "-lGLESv3",
         ],
diff --git a/tensorflow/lite/tools/evaluation/utils.h b/tensorflow/lite/tools/evaluation/utils.h
index 1735b9ee08a..5e096a5412d 100644
--- a/tensorflow/lite/tools/evaluation/utils.h
+++ b/tensorflow/lite/tools/evaluation/utils.h
@@ -23,7 +23,7 @@ limitations under the License.
 
 #if !TFLITE_WITH_STABLE_ABI
 // TODO(b/240438534): enable nnapi.
-#if defined(__ANDROID__)
+#if defined(__ANDROID__) || defined(FORCE_ENABLE_GPU_DELEGATE)
 #define TFLITE_SUPPORTS_NNAPI_DELEGATE 1
 #define TFLITE_SUPPORTS_GPU_DELEGATE 1
 #elif defined(CL_DELEGATE_NO_GL)