diff --git a/opengl/tests/Android.bp b/opengl/tests/Android.bp
new file mode 100644
index 0000000..bf7aeb1
--- /dev/null
+++ b/opengl/tests/Android.bp
@@ -0,0 +1,4 @@
+subdirs = [
+    "hwc",
+    "lib",
+]
diff --git a/opengl/tests/Android.mk b/opengl/tests/Android.mk
index 3ae3b4e..92d223c 100644
--- a/opengl/tests/Android.mk
+++ b/opengl/tests/Android.mk
@@ -12,7 +12,6 @@
 	gl_perf \
 	gl_yuvtex \
 	gralloc \
-	hwc \
 	include \
 	lib \
 	linetex \
diff --git a/opengl/tests/hwc/Android.bp b/opengl/tests/hwc/Android.bp
new file mode 100644
index 0000000..b6e6f0e
--- /dev/null
+++ b/opengl/tests/hwc/Android.bp
@@ -0,0 +1,102 @@
+// Copyright (C) 2010 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_defaults {
+
+    name: "hwc_tests_defaults",
+    cflags: [
+        "-DGL_GLEXT_PROTOTYPES",
+        "-DEGL_EGLEXT_PROTOTYPES",
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+}
+
+cc_library_static {
+
+    name: "libhwcTest",
+    srcs: ["hwcTestLib.cpp"],
+
+    static_libs: [
+        "libarect",
+        "libglTest",
+        "libtestUtil",
+    ],
+    defaults: ["hwc_tests_defaults"],
+}
+
+cc_defaults {
+
+    name: "hwc_lib_defaults",
+    shared_libs: [
+        "libcutils",
+        "libEGL",
+        "libGLESv2",
+        "libhardware",
+        "liblog",
+        "libui",
+        "libutils",
+    ],
+
+    static_libs: [
+        "libglTest",
+        "libhwcTest",
+        "libtestUtil",
+    ],
+}
+
+cc_test {
+
+    name: "hwcStress",
+    srcs: ["hwcStress.cpp"],
+
+    defaults: [
+        "hwc_lib_defaults",
+        "hwc_tests_defaults",
+    ],
+}
+
+cc_test {
+
+    name: "hwcRects",
+    srcs: ["hwcRects.cpp"],
+
+    defaults: [
+        "hwc_lib_defaults",
+        "hwc_tests_defaults",
+    ],
+}
+
+cc_test {
+
+    name: "hwcColorEquiv",
+    srcs: ["hwcColorEquiv.cpp"],
+
+    defaults: [
+        "hwc_lib_defaults",
+        "hwc_tests_defaults",
+    ],
+}
+
+cc_test {
+
+    name: "hwcCommit",
+    srcs: ["hwcCommit.cpp"],
+
+    defaults: [
+        "hwc_lib_defaults",
+        "hwc_tests_defaults",
+    ],
+}
diff --git a/opengl/tests/hwc/Android.mk b/opengl/tests/hwc/Android.mk
deleted file mode 100644
index 13337c2..0000000
--- a/opengl/tests/hwc/Android.mk
+++ /dev/null
@@ -1,150 +0,0 @@
-# Copyright (C) 2010 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-LOCAL_PATH:= $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-
-LOCAL_MODULE_TAGS := tests
-LOCAL_MODULE:= libhwcTest
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES -Wall -Wextra -Werror
-LOCAL_CXX_STL := libc++
-LOCAL_SRC_FILES:= hwcTestLib.cpp
-LOCAL_C_INCLUDES += system/extras/tests/include \
-    $(call include-path-for, opengl-tests-includes) \
-
-LOCAL_STATIC_LIBRARIES := libarect
-
-include $(BUILD_STATIC_LIBRARY)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-
-LOCAL_MODULE:= hwcStress
-LOCAL_MODULE_TAGS := tests
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES -Wall -Wextra -Werror
-LOCAL_CXX_STL := libc++
-LOCAL_SRC_FILES:= hwcStress.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libEGL \
-    libGLESv2 \
-    libutils \
-    liblog \
-    libui \
-    libhardware \
-
-LOCAL_STATIC_LIBRARIES := \
-    libtestUtil \
-    libglTest \
-    libhwcTest \
-
-LOCAL_C_INCLUDES += \
-    system/extras/tests/include \
-    hardware/libhardware/include \
-    $(call include-path-for, opengl-tests-includes) \
-
-include $(BUILD_NATIVE_TEST)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-
-LOCAL_MODULE:= hwcRects
-LOCAL_MODULE_TAGS := tests
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES -Wall -Wextra -Werror
-LOCAL_CXX_STL := libc++
-LOCAL_SRC_FILES:= hwcRects.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libEGL \
-    libGLESv2 \
-    libutils \
-    liblog \
-    libui \
-    libhardware \
-
-LOCAL_STATIC_LIBRARIES := \
-    libtestUtil \
-    libglTest \
-    libhwcTest \
-
-LOCAL_C_INCLUDES += \
-    system/extras/tests/include \
-    hardware/libhardware/include \
-    $(call include-path-for, opengl-tests-includes) \
-
-include $(BUILD_NATIVE_TEST)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-
-LOCAL_MODULE:= hwcColorEquiv
-LOCAL_MODULE_TAGS := tests
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES -Wall -Wextra -Werror
-LOCAL_CXX_STL := libc++
-LOCAL_SRC_FILES:= hwcColorEquiv.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libEGL \
-    libGLESv2 \
-    libutils \
-    liblog \
-    libui \
-    libhardware \
-
-LOCAL_STATIC_LIBRARIES := \
-    libtestUtil \
-    libglTest \
-    libhwcTest \
-
-LOCAL_C_INCLUDES += \
-    system/extras/tests/include \
-    hardware/libhardware/include \
-    $(call include-path-for, opengl-tests-includes) \
-
-include $(BUILD_NATIVE_TEST)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-
-LOCAL_MODULE:= hwcCommit
-LOCAL_MODULE_TAGS := tests
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES -Wall -Wextra -Werror
-LOCAL_CXX_STL := libc++
-LOCAL_SRC_FILES:= hwcCommit.cpp
-
-LOCAL_SHARED_LIBRARIES := \
-    libcutils \
-    libEGL \
-    libGLESv2 \
-    libutils \
-    liblog \
-    libui \
-    libhardware \
-
-LOCAL_STATIC_LIBRARIES := \
-    libtestUtil \
-    libglTest \
-    libhwcTest \
-
-LOCAL_C_INCLUDES += \
-    system/extras/tests/include \
-    hardware/libhardware/include \
-    $(call include-path-for, opengl-tests-includes) \
-
-include $(BUILD_NATIVE_TEST)
diff --git a/opengl/tests/lib/Android.bp b/opengl/tests/lib/Android.bp
new file mode 100644
index 0000000..2f6095d
--- /dev/null
+++ b/opengl/tests/lib/Android.bp
@@ -0,0 +1,38 @@
+// Copyright (C) 2010 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_library_static {
+
+    name: "libglTest",
+    srcs: [
+        "glTestLib.cpp",
+        "WindowSurface.cpp",
+    ],
+    export_include_dirs: ["include"],
+
+    cflags: [
+        "-DGL_GLEXT_PROTOTYPES",
+        "-DEGL_EGLEXT_PROTOTYPES",
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+    ],
+
+    shared_libs: ["libgui"],
+    static_libs: [
+        "libarect",
+        "libtestUtil",
+    ],
+
+}
diff --git a/opengl/tests/lib/Android.mk b/opengl/tests/lib/Android.mk
deleted file mode 100644
index ea94bc1..0000000
--- a/opengl/tests/lib/Android.mk
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright (C) 2010 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-LOCAL_PATH:= $(call my-dir)
-
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-LOCAL_MODULE_TAGS := tests
-LOCAL_MODULE:= libglTest
-LOCAL_SRC_FILES:= glTestLib.cpp WindowSurface.cpp
-LOCAL_C_INCLUDES += system/extras/tests/include \
-	$(call include-path-for, opengl-tests-includes)
-
-LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES -DEGL_EGLEXT_PROTOTYPES -Wall -Wextra -Werror
-
-LOCAL_SHARED_LIBRARIES += libgui
-LOCAL_STATIC_LIBRARIES := libarect
-
-include $(BUILD_STATIC_LIBRARY)
diff --git a/opengl/tests/include/EGLUtils.h b/opengl/tests/lib/include/EGLUtils.h
similarity index 100%
rename from opengl/tests/include/EGLUtils.h
rename to opengl/tests/lib/include/EGLUtils.h
diff --git a/opengl/tests/include/WindowSurface.h b/opengl/tests/lib/include/WindowSurface.h
similarity index 100%
rename from opengl/tests/include/WindowSurface.h
rename to opengl/tests/lib/include/WindowSurface.h
diff --git a/opengl/tests/include/glTestLib.h b/opengl/tests/lib/include/glTestLib.h
similarity index 100%
rename from opengl/tests/include/glTestLib.h
rename to opengl/tests/lib/include/glTestLib.h