diff --git a/graphics/composer/2.1/vts/functional/Android.bp b/graphics/composer/2.1/vts/functional/Android.bp
index 40f18c0..92b65a3 100644
--- a/graphics/composer/2.1/vts/functional/Android.bp
+++ b/graphics/composer/2.1/vts/functional/Android.bp
@@ -58,8 +58,8 @@
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.composer@2.1",
         "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@2.0-vts",
         "libVtsHalGraphicsComposerTestUtils",
-        "libVtsHalGraphicsMapperTestUtils",
         "libnativehelper",
     ],
     header_libs: [
diff --git a/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp b/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
index 9a749d7..376ee37 100644
--- a/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
+++ b/graphics/composer/2.1/vts/functional/VtsHalGraphicsComposerV2_1TargetTest.cpp
@@ -17,10 +17,10 @@
 #define LOG_TAG "graphics_composer_hidl_hal_test"
 
 #include <android-base/logging.h>
+#include <mapper-vts/2.0/MapperVts.h>
 #include "GraphicsComposerCallback.h"
 #include "TestCommandReader.h"
 #include "VtsHalGraphicsComposerTestUtils.h"
-#include "VtsHalGraphicsMapperTestUtils.h"
 
 #include <VtsHalHidlTargetTestBase.h>
 #include <VtsHalHidlTargetTestEnvBase.h>
@@ -48,7 +48,7 @@
 using android::hardware::graphics::common::V1_0::PixelFormat;
 using android::hardware::graphics::common::V1_0::Transform;
 using android::hardware::graphics::mapper::V2_0::IMapper;
-using android::hardware::graphics::mapper::V2_0::tests::Gralloc;
+using android::hardware::graphics::mapper::V2_0::vts::Gralloc;
 using GrallocError = android::hardware::graphics::mapper::V2_0::Error;
 
 // Test environment for graphics.composer
diff --git a/graphics/composer/2.2/vts/functional/Android.bp b/graphics/composer/2.2/vts/functional/Android.bp
index 0325a6c..78322a1 100644
--- a/graphics/composer/2.2/vts/functional/Android.bp
+++ b/graphics/composer/2.2/vts/functional/Android.bp
@@ -61,10 +61,10 @@
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.1",
         "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@2.0-vts",
         "android.hardware.graphics.mapper@2.1",
         "libVtsHalGraphicsComposerTestUtils",
         "libVtsHalGraphicsComposerTestUtils@2.2",
-        "libVtsHalGraphicsMapperTestUtils",
         "libnativehelper",
     ],
     header_libs: [
diff --git a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2TargetTest.cpp b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2TargetTest.cpp
index 8b44d61..6fbdd3c 100644
--- a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2TargetTest.cpp
+++ b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2TargetTest.cpp
@@ -18,12 +18,12 @@
 
 #include <android-base/logging.h>
 #include <android/hardware/graphics/mapper/2.1/IMapper.h>
+#include <mapper-vts/2.0/MapperVts.h>
 #include <sync/sync.h>
 #include "2.2/VtsHalGraphicsComposerTestUtils.h"
 #include "GraphicsComposerCallback.h"
 #include "TestCommandReader.h"
 #include "VtsHalGraphicsComposerTestUtils.h"
-#include "VtsHalGraphicsMapperTestUtils.h"
 
 #include <VtsHalHidlTargetTestBase.h>
 
@@ -43,7 +43,7 @@
 using android::hardware::graphics::common::V1_0::Transform;
 using android::hardware::graphics::composer::V2_2::IComposerClient;
 using android::hardware::graphics::mapper::V2_0::IMapper;
-using android::hardware::graphics::mapper::V2_0::tests::Gralloc;
+using android::hardware::graphics::mapper::V2_0::vts::Gralloc;
 using GrallocError = android::hardware::graphics::mapper::V2_0::Error;
 
 // Test environment for graphics.composer
diff --git a/graphics/mapper/2.0/utils/vts/Android.bp b/graphics/mapper/2.0/utils/vts/Android.bp
index 8bca152..1aa3185 100644
--- a/graphics/mapper/2.0/utils/vts/Android.bp
+++ b/graphics/mapper/2.0/utils/vts/Android.bp
@@ -15,9 +15,9 @@
 //
 
 cc_library_static {
-    name: "libVtsHalGraphicsMapperTestUtils",
+    name: "android.hardware.graphics.mapper@2.0-vts",
     defaults: ["hidl_defaults"],
-    srcs: ["VtsHalGraphicsMapperTestUtils.cpp"],
+    srcs: ["MapperVts.cpp"],
     cflags: [
         "-O0",
         "-g",
@@ -34,5 +34,5 @@
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.mapper@2.0",
     ],
-    export_include_dirs: ["."],
+    export_include_dirs: ["include"],
 }
diff --git a/graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.cpp b/graphics/mapper/2.0/utils/vts/MapperVts.cpp
similarity index 95%
rename from graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.cpp
rename to graphics/mapper/2.0/utils/vts/MapperVts.cpp
index e3229ca..d08ac56 100644
--- a/graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.cpp
+++ b/graphics/mapper/2.0/utils/vts/MapperVts.cpp
@@ -14,28 +14,26 @@
  * limitations under the License.
  */
 
-#include <VtsHalHidlTargetTestBase.h>
+#include <mapper-vts/2.0/MapperVts.h>
 
-#include "VtsHalGraphicsMapperTestUtils.h"
+#include <VtsHalHidlTargetTestBase.h>
 
 namespace android {
 namespace hardware {
 namespace graphics {
 namespace mapper {
 namespace V2_0 {
-namespace tests {
+namespace vts {
 
-Gralloc::Gralloc() {
-    init();
+Gralloc::Gralloc(const std::string& allocatorServiceName, const std::string& mapperServiceName) {
+    init(allocatorServiceName, mapperServiceName);
 }
 
-void Gralloc::init() {
-    mAllocator = ::testing::VtsHalHidlTargetTestBase::getService<IAllocator>(
-        GraphicsMapperHidlEnvironment::Instance()->getServiceName<IAllocator>());
+void Gralloc::init(const std::string& allocatorServiceName, const std::string& mapperServiceName) {
+    mAllocator = ::testing::VtsHalHidlTargetTestBase::getService<IAllocator>(allocatorServiceName);
     ASSERT_NE(nullptr, mAllocator.get()) << "failed to get allocator service";
 
-    mMapper = ::testing::VtsHalHidlTargetTestBase::getService<IMapper>(
-        GraphicsMapperHidlEnvironment::Instance()->getServiceName<IMapper>());
+    mMapper = ::testing::VtsHalHidlTargetTestBase::getService<IMapper>(mapperServiceName);
     ASSERT_NE(nullptr, mMapper.get()) << "failed to get mapper service";
     ASSERT_FALSE(mMapper->isRemote()) << "mapper is not in passthrough mode";
 }
@@ -240,7 +238,7 @@
     return releaseFence;
 }
 
-}  // namespace tests
+}  // namespace vts
 }  // namespace V2_0
 }  // namespace mapper
 }  // namespace graphics
diff --git a/graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.h b/graphics/mapper/2.0/utils/vts/include/mapper-vts/2.0/MapperVts.h
similarity index 80%
rename from graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.h
rename to graphics/mapper/2.0/utils/vts/include/mapper-vts/2.0/MapperVts.h
index 1f7d88a..6c2c9a6 100644
--- a/graphics/mapper/2.0/utils/vts/VtsHalGraphicsMapperTestUtils.h
+++ b/graphics/mapper/2.0/utils/vts/include/mapper-vts/2.0/MapperVts.h
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
-#ifndef VTS_HAL_GRAPHICS_MAPPER_UTILS
-#define VTS_HAL_GRAPHICS_MAPPER_UTILS
+#pragma once
 
+#include <string>
 #include <unordered_set>
+#include <vector>
 
-#include <VtsHalHidlTargetTestEnvBase.h>
 #include <android/hardware/graphics/allocator/2.0/IAllocator.h>
 #include <android/hardware/graphics/mapper/2.0/IMapper.h>
 #include <utils/StrongPointer.h>
@@ -29,14 +29,15 @@
 namespace graphics {
 namespace mapper {
 namespace V2_0 {
-namespace tests {
+namespace vts {
 
 using android::hardware::graphics::allocator::V2_0::IAllocator;
 
 // A wrapper to IAllocator and IMapper.
 class Gralloc {
    public:
-    Gralloc();
+    Gralloc(const std::string& allocatorServiceName = "default",
+            const std::string& mapperServiceName = "default");
     ~Gralloc();
 
     // IAllocator methods
@@ -73,7 +74,7 @@
     int unlock(const native_handle_t* bufferHandle);
 
    private:
-    void init();
+    void init(const std::string& allocatorServiceName, const std::string& mapperServiceName);
     const native_handle_t* cloneBuffer(const hidl_handle& rawHandle);
 
     sp<IAllocator> mAllocator;
@@ -85,26 +86,9 @@
     std::unordered_set<const native_handle_t*> mImportedBuffers;
 };
 
-// Test environment for graphics.mapper.
-class GraphicsMapperHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
-   public:
-    // get the test environment singleton
-    static GraphicsMapperHidlEnvironment* Instance() {
-        static GraphicsMapperHidlEnvironment* instance = new GraphicsMapperHidlEnvironment;
-        return instance;
-    }
-
-    virtual void registerTestServices() override {
-        registerTestService<IAllocator>();
-        registerTestService<IMapper>();
-    }
-};
-
-}  // namespace tests
+}  // namespace vts
 }  // namespace V2_0
 }  // namespace mapper
 }  // namespace graphics
 }  // namespace hardware
 }  // namespace android
-
-#endif  // VTS_HAL_GRAPHICS_MAPPER_UTILS
diff --git a/graphics/mapper/2.0/vts/functional/Android.bp b/graphics/mapper/2.0/vts/functional/Android.bp
index 8093b08..969317a 100644
--- a/graphics/mapper/2.0/vts/functional/Android.bp
+++ b/graphics/mapper/2.0/vts/functional/Android.bp
@@ -18,14 +18,10 @@
     name: "VtsHalGraphicsMapperV2_0TargetTest",
     defaults: ["VtsHalTargetTestDefaults"],
     srcs: ["VtsHalGraphicsMapperV2_0TargetTest.cpp"],
-    shared_libs: [
-        "libsync",
-    ],
     static_libs: [
         "android.hardware.graphics.allocator@2.0",
-        "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.common@1.0",
-        "libVtsHalGraphicsMapperTestUtils",
-        "libnativehelper",
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@2.0-vts",
     ],
 }
diff --git a/graphics/mapper/2.0/vts/functional/VtsHalGraphicsMapperV2_0TargetTest.cpp b/graphics/mapper/2.0/vts/functional/VtsHalGraphicsMapperV2_0TargetTest.cpp
index 21ea66d..aa9beff 100644
--- a/graphics/mapper/2.0/vts/functional/VtsHalGraphicsMapperV2_0TargetTest.cpp
+++ b/graphics/mapper/2.0/vts/functional/VtsHalGraphicsMapperV2_0TargetTest.cpp
@@ -18,24 +18,41 @@
 
 #include <VtsHalHidlTargetTestBase.h>
 #include <android-base/logging.h>
-#include <sync/sync.h>
-#include "VtsHalGraphicsMapperTestUtils.h"
+#include <mapper-vts/2.0/MapperVts.h>
 
 namespace android {
 namespace hardware {
 namespace graphics {
 namespace mapper {
 namespace V2_0 {
-namespace tests {
+namespace vts {
 namespace {
 
 using android::hardware::graphics::common::V1_0::BufferUsage;
 using android::hardware::graphics::common::V1_0::PixelFormat;
 
+// Test environment for graphics.mapper.
+class GraphicsMapperHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static GraphicsMapperHidlEnvironment* Instance() {
+        static GraphicsMapperHidlEnvironment* instance = new GraphicsMapperHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override {
+        registerTestService<IAllocator>();
+        registerTestService<IMapper>();
+    }
+};
+
 class GraphicsMapperHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    protected:
     void SetUp() override {
-        ASSERT_NO_FATAL_FAILURE(mGralloc = std::make_unique<Gralloc>());
+        ASSERT_NO_FATAL_FAILURE(
+            mGralloc = std::make_unique<Gralloc>(
+                GraphicsMapperHidlEnvironment::Instance()->getServiceName<IAllocator>(),
+                GraphicsMapperHidlEnvironment::Instance()->getServiceName<IMapper>()));
 
         mDummyDescriptorInfo.width = 64;
         mDummyDescriptorInfo.height = 64;
@@ -167,7 +184,10 @@
 
     // free the imported handle with another mapper
     std::unique_ptr<Gralloc> anotherGralloc;
-    ASSERT_NO_FATAL_FAILURE(anotherGralloc = std::make_unique<Gralloc>());
+    ASSERT_NO_FATAL_FAILURE(
+        anotherGralloc = std::make_unique<Gralloc>(
+            GraphicsMapperHidlEnvironment::Instance()->getServiceName<IAllocator>(),
+            GraphicsMapperHidlEnvironment::Instance()->getServiceName<IMapper>()));
     Error error = mGralloc->getMapper()->freeBuffer(importedHandle);
     ASSERT_EQ(Error::NONE, error);
 
@@ -373,7 +393,7 @@
 }
 
 }  // namespace
-}  // namespace tests
+}  // namespace vts
 }  // namespace V2_0
 }  // namespace mapper
 }  // namespace graphics
@@ -381,7 +401,7 @@
 }  // namespace android
 
 int main(int argc, char** argv) {
-    using android::hardware::graphics::mapper::V2_0::tests::GraphicsMapperHidlEnvironment;
+    using android::hardware::graphics::mapper::V2_0::vts::GraphicsMapperHidlEnvironment;
     ::testing::AddGlobalTestEnvironment(GraphicsMapperHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
     GraphicsMapperHidlEnvironment::Instance()->init(&argc, argv);
diff --git a/graphics/mapper/2.1/default/Android.bp b/graphics/mapper/2.1/default/Android.bp
new file mode 100644
index 0000000..aa204a0
--- /dev/null
+++ b/graphics/mapper/2.1/default/Android.bp
@@ -0,0 +1,37 @@
+//
+// Copyright (C) 2016 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_shared {
+    name: "android.hardware.graphics.mapper@2.0-impl-2.1",
+    defaults: ["hidl_defaults"],
+    vendor: true,
+    relative_install_path: "hw",
+    srcs: ["passthrough.cpp"],
+    header_libs: [
+        "android.hardware.graphics.mapper@2.1-passthrough",
+    ],
+    shared_libs: [
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@2.1",
+        "libbase",
+        "libcutils",
+        "libhardware",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libsync",
+        "libutils",
+    ],
+}
diff --git a/graphics/mapper/2.1/default/OWNERS b/graphics/mapper/2.1/default/OWNERS
new file mode 100644
index 0000000..3aa5fa1
--- /dev/null
+++ b/graphics/mapper/2.1/default/OWNERS
@@ -0,0 +1,4 @@
+# Graphics team
+jessehall@google.com
+olv@google.com
+stoza@google.com
diff --git a/graphics/mapper/2.1/default/passthrough.cpp b/graphics/mapper/2.1/default/passthrough.cpp
new file mode 100644
index 0000000..c7f0cf5
--- /dev/null
+++ b/graphics/mapper/2.1/default/passthrough.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#include <android/hardware/graphics/mapper/2.1/IMapper.h>
+#include <mapper-passthrough/2.1/GrallocLoader.h>
+
+using android::hardware::graphics::mapper::V2_1::IMapper;
+using android::hardware::graphics::mapper::V2_1::passthrough::GrallocLoader;
+
+extern "C" IMapper* HIDL_FETCH_IMapper(const char* /*name*/) {
+    return GrallocLoader::load();
+}
diff --git a/graphics/mapper/2.1/utils/OWNERS b/graphics/mapper/2.1/utils/OWNERS
new file mode 100644
index 0000000..3aa5fa1
--- /dev/null
+++ b/graphics/mapper/2.1/utils/OWNERS
@@ -0,0 +1,4 @@
+# Graphics team
+jessehall@google.com
+olv@google.com
+stoza@google.com
diff --git a/graphics/mapper/2.1/utils/hal/Android.bp b/graphics/mapper/2.1/utils/hal/Android.bp
new file mode 100644
index 0000000..2a4cc6e
--- /dev/null
+++ b/graphics/mapper/2.1/utils/hal/Android.bp
@@ -0,0 +1,33 @@
+//
+// Copyright (C) 2018 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_headers {
+    name: "android.hardware.graphics.mapper@2.1-hal",
+    defaults: ["hidl_defaults"],
+    vendor: true,
+    shared_libs: [
+        "android.hardware.graphics.mapper@2.1",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.graphics.mapper@2.1",
+    ],
+    header_libs: [
+        "android.hardware.graphics.mapper@2.0-hal",
+    ],
+    export_header_lib_headers: [
+        "android.hardware.graphics.mapper@2.0-hal",
+    ],
+    export_include_dirs: ["include"],
+}
diff --git a/graphics/mapper/2.1/utils/hal/include/mapper-hal/2.1/Mapper.h b/graphics/mapper/2.1/utils/hal/include/mapper-hal/2.1/Mapper.h
new file mode 100644
index 0000000..038f572
--- /dev/null
+++ b/graphics/mapper/2.1/utils/hal/include/mapper-hal/2.1/Mapper.h
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2018 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.
+ */
+
+#pragma once
+
+#ifndef LOG_TAG
+#warning "Mapper.h included without LOG_TAG"
+#endif
+
+#include <android/hardware/graphics/mapper/2.1/IMapper.h>
+#include <mapper-hal/2.0/Mapper.h>
+#include <mapper-hal/2.1/MapperHal.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_1 {
+namespace hal {
+
+namespace detail {
+
+// MapperImpl implements V2_*::IMapper on top of V2_*::hal::MapperHal
+template <typename Interface, typename Hal>
+class MapperImpl : public V2_0::hal::detail::MapperImpl<Interface, Hal> {
+   public:
+    // IMapper 2.1 interface
+    Return<Error> validateBufferSize(void* buffer,
+                                     const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                     uint32_t stride) {
+        const native_handle_t* bufferHandle = getImportedBuffer(buffer);
+        if (!bufferHandle) {
+            return Error::BAD_BUFFER;
+        }
+
+        return mHal->validateBufferSize(bufferHandle, descriptorInfo, stride);
+    }
+
+    Return<void> getTransportSize(void* buffer, IMapper::getTransportSize_cb hidl_cb) {
+        const native_handle_t* bufferHandle = getImportedBuffer(buffer);
+        if (!bufferHandle) {
+            hidl_cb(Error::BAD_BUFFER, 0, 0);
+            return Void();
+        }
+
+        uint32_t numFds = 0;
+        uint32_t numInts = 0;
+        Error error = mHal->getTransportSize(bufferHandle, &numFds, &numInts);
+        hidl_cb(error, numFds, numInts);
+        return Void();
+    }
+
+    Return<void> createDescriptor_2_1(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                      IMapper::createDescriptor_2_1_cb hidl_cb) override {
+        BufferDescriptor descriptor;
+        Error error = mHal->createDescriptor_2_1(descriptorInfo, &descriptor);
+        hidl_cb(error, descriptor);
+        return Void();
+    }
+
+   private:
+    using BaseType2_0 = V2_0::hal::detail::MapperImpl<Interface, Hal>;
+    using BaseType2_0::getImportedBuffer;
+    using BaseType2_0::mHal;
+};
+
+}  // namespace detail
+
+using Mapper = detail::MapperImpl<IMapper, MapperHal>;
+
+}  // namespace hal
+}  // namespace V2_1
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/mapper/2.1/utils/hal/include/mapper-hal/2.1/MapperHal.h b/graphics/mapper/2.1/utils/hal/include/mapper-hal/2.1/MapperHal.h
new file mode 100644
index 0000000..e488fab
--- /dev/null
+++ b/graphics/mapper/2.1/utils/hal/include/mapper-hal/2.1/MapperHal.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2018 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.
+ */
+
+#pragma once
+
+#include <android/hardware/graphics/mapper/2.1/IMapper.h>
+#include <mapper-hal/2.0/MapperHal.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_1 {
+namespace hal {
+
+using V2_0::BufferDescriptor;
+using V2_0::Error;
+
+class MapperHal : public V2_0::hal::MapperHal {
+   public:
+    virtual ~MapperHal() = default;
+
+    // superceded by createDescriptor_2_1
+    Error createDescriptor(const V2_0::IMapper::BufferDescriptorInfo& descriptorInfo,
+                           BufferDescriptor* outDescriptor) override {
+        return createDescriptor_2_1(
+            IMapper::BufferDescriptorInfo{
+                descriptorInfo.width, descriptorInfo.height, descriptorInfo.layerCount,
+                static_cast<common::V1_1::PixelFormat>(descriptorInfo.format), descriptorInfo.usage,
+            },
+            outDescriptor);
+    }
+
+    // validate the buffer can be safely accessed with the specified
+    // descriptorInfo and stride
+    virtual Error validateBufferSize(const native_handle_t* bufferHandle,
+                                     const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                     uint32_t stride) = 0;
+
+    // get the transport size of a buffer handle.  It can be smaller than or
+    // equal to the size of the buffer handle.
+    virtual Error getTransportSize(const native_handle_t* bufferHandle, uint32_t* outNumFds,
+                                   uint32_t* outNumInts) = 0;
+
+    // create a BufferDescriptor
+    virtual Error createDescriptor_2_1(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                       BufferDescriptor* outDescriptor) = 0;
+};
+
+}  // namespace hal
+}  // namespace V2_1
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/mapper/2.1/utils/passthrough/Android.bp b/graphics/mapper/2.1/utils/passthrough/Android.bp
new file mode 100644
index 0000000..6946a53
--- /dev/null
+++ b/graphics/mapper/2.1/utils/passthrough/Android.bp
@@ -0,0 +1,37 @@
+//
+// Copyright (C) 2016 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_headers {
+    name: "android.hardware.graphics.mapper@2.1-passthrough",
+    defaults: ["hidl_defaults"],
+    vendor: true,
+    shared_libs: [
+        "android.hardware.graphics.mapper@2.1",
+        "libhardware",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.graphics.mapper@2.1",
+        "libhardware",
+    ],
+    header_libs: [
+        "android.hardware.graphics.mapper@2.0-passthrough",
+        "android.hardware.graphics.mapper@2.1-hal",
+    ],
+    export_header_lib_headers: [
+        "android.hardware.graphics.mapper@2.0-passthrough",
+        "android.hardware.graphics.mapper@2.1-hal",
+    ],
+    export_include_dirs: ["include"],
+}
diff --git a/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/Gralloc0Hal.h b/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/Gralloc0Hal.h
new file mode 100644
index 0000000..b704fdb
--- /dev/null
+++ b/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/Gralloc0Hal.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#pragma once
+
+#include <mapper-hal/2.1/MapperHal.h>
+#include <mapper-passthrough/2.0/Gralloc0Hal.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_1 {
+namespace passthrough {
+
+namespace detail {
+
+using V2_0::BufferDescriptor;
+using V2_0::Error;
+
+// Gralloc0HalImpl implements V2_*::hal::MapperHal on top of gralloc0
+template <typename Hal>
+class Gralloc0HalImpl : public V2_0::passthrough::detail::Gralloc0HalImpl<Hal> {
+   public:
+    Error validateBufferSize(const native_handle_t* /*bufferHandle*/,
+                             const IMapper::BufferDescriptorInfo& /*descriptorInfo*/,
+                             uint32_t /*stride*/) override {
+        // need a gralloc0 extension to really validate
+        return Error::NONE;
+    }
+
+    Error getTransportSize(const native_handle_t* bufferHandle, uint32_t* outNumFds,
+                           uint32_t* outNumInts) override {
+        // need a gralloc0 extension to get the transport size
+        *outNumFds = bufferHandle->numFds;
+        *outNumInts = bufferHandle->numInts;
+        return Error::NONE;
+    }
+
+    Error createDescriptor_2_1(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                               BufferDescriptor* outDescriptor) override {
+        return createDescriptor(
+            V2_0::IMapper::BufferDescriptorInfo{
+                descriptorInfo.width, descriptorInfo.height, descriptorInfo.layerCount,
+                static_cast<common::V1_0::PixelFormat>(descriptorInfo.format), descriptorInfo.usage,
+            },
+            outDescriptor);
+    }
+
+   private:
+    using BaseType2_0 = V2_0::passthrough::detail::Gralloc0HalImpl<Hal>;
+    using BaseType2_0::createDescriptor;
+};
+
+}  // namespace detail
+
+using Gralloc0Hal = detail::Gralloc0HalImpl<hal::MapperHal>;
+
+}  // namespace passthrough
+}  // namespace V2_1
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/Gralloc1Hal.h b/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/Gralloc1Hal.h
new file mode 100644
index 0000000..8b695e4
--- /dev/null
+++ b/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/Gralloc1Hal.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright 2016 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.
+ */
+
+#pragma once
+
+#include <hardware/gralloc1.h>
+#include <mapper-hal/2.1/MapperHal.h>
+#include <mapper-passthrough/2.0/Gralloc1Hal.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_1 {
+namespace passthrough {
+
+using V2_0::BufferDescriptor;
+using V2_0::Error;
+
+namespace detail {
+
+// Gralloc1HalImpl implements V2_*::hal::MapperHal on top of gralloc1
+template <typename Hal>
+class Gralloc1HalImpl : public V2_0::passthrough::detail::Gralloc1HalImpl<Hal> {
+   public:
+    Error validateBufferSize(const native_handle_t* bufferHandle,
+                             const IMapper::BufferDescriptorInfo& descriptorInfo,
+                             uint32_t stride) override {
+        uint32_t bufferWidth;
+        uint32_t bufferHeight;
+        uint32_t bufferLayerCount;
+        int32_t bufferFormat;
+        uint64_t bufferProducerUsage;
+        uint64_t bufferConsumerUsage;
+        uint32_t bufferStride;
+
+        int32_t error = mDispatch.getDimensions(mDevice, bufferHandle, &bufferWidth, &bufferHeight);
+        if (error != GRALLOC1_ERROR_NONE) {
+            return toError(error);
+        }
+        error = mDispatch.getLayerCount(mDevice, bufferHandle, &bufferLayerCount);
+        if (error != GRALLOC1_ERROR_NONE) {
+            return toError(error);
+        }
+        error = mDispatch.getFormat(mDevice, bufferHandle, &bufferFormat);
+        if (error != GRALLOC1_ERROR_NONE) {
+            return toError(error);
+        }
+        error = mDispatch.getProducerUsage(mDevice, bufferHandle, &bufferProducerUsage);
+        if (error != GRALLOC1_ERROR_NONE) {
+            return toError(error);
+        }
+        error = mDispatch.getConsumerUsage(mDevice, bufferHandle, &bufferConsumerUsage);
+        if (error != GRALLOC1_ERROR_NONE) {
+            return toError(error);
+        }
+        error = mDispatch.getStride(mDevice, bufferHandle, &bufferStride);
+        if (error != GRALLOC1_ERROR_NONE) {
+            return toError(error);
+        }
+
+        // TODO format? usage? width > stride?
+        // need a gralloc1 extension to really validate
+        (void)bufferFormat;
+        (void)bufferProducerUsage;
+        (void)bufferConsumerUsage;
+
+        if (descriptorInfo.width > bufferWidth || descriptorInfo.height > bufferHeight ||
+            descriptorInfo.layerCount > bufferLayerCount || stride > bufferStride) {
+            return Error::BAD_VALUE;
+        }
+
+        return Error::NONE;
+    }
+
+    Error getTransportSize(const native_handle_t* bufferHandle, uint32_t* outNumFds,
+                           uint32_t* outNumInts) override {
+        // need a gralloc1 extension to get the transport size
+        *outNumFds = bufferHandle->numFds;
+        *outNumInts = bufferHandle->numInts;
+        return Error::NONE;
+    }
+
+    Error createDescriptor_2_1(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                               BufferDescriptor* outDescriptor) override {
+        return createDescriptor(
+            V2_0::IMapper::BufferDescriptorInfo{
+                descriptorInfo.width, descriptorInfo.height, descriptorInfo.layerCount,
+                static_cast<common::V1_0::PixelFormat>(descriptorInfo.format), descriptorInfo.usage,
+            },
+            outDescriptor);
+    }
+
+   protected:
+    bool initDispatch() override {
+        if (!BaseType2_0::initDispatch()) {
+            return false;
+        }
+
+        if (!initDispatch(GRALLOC1_FUNCTION_GET_DIMENSIONS, &mDispatch.getDimensions) ||
+            !initDispatch(GRALLOC1_FUNCTION_GET_LAYER_COUNT, &mDispatch.getLayerCount) ||
+            !initDispatch(GRALLOC1_FUNCTION_GET_FORMAT, &mDispatch.getFormat) ||
+            !initDispatch(GRALLOC1_FUNCTION_GET_PRODUCER_USAGE, &mDispatch.getProducerUsage) ||
+            !initDispatch(GRALLOC1_FUNCTION_GET_CONSUMER_USAGE, &mDispatch.getConsumerUsage) ||
+            !initDispatch(GRALLOC1_FUNCTION_GET_STRIDE, &mDispatch.getStride)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    struct {
+        GRALLOC1_PFN_GET_DIMENSIONS getDimensions;
+        GRALLOC1_PFN_GET_LAYER_COUNT getLayerCount;
+        GRALLOC1_PFN_GET_FORMAT getFormat;
+        GRALLOC1_PFN_GET_PRODUCER_USAGE getProducerUsage;
+        GRALLOC1_PFN_GET_CONSUMER_USAGE getConsumerUsage;
+        GRALLOC1_PFN_GET_STRIDE getStride;
+    } mDispatch = {};
+
+   private:
+    using BaseType2_0 = V2_0::passthrough::detail::Gralloc1HalImpl<Hal>;
+    using BaseType2_0::createDescriptor;
+    using BaseType2_0::initDispatch;
+    using BaseType2_0::mDevice;
+    using BaseType2_0::toError;
+};
+
+}  // namespace detail
+
+using Gralloc1Hal = detail::Gralloc1HalImpl<hal::MapperHal>;
+
+}  // namespace passthrough
+}  // namespace V2_1
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/GrallocLoader.h b/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/GrallocLoader.h
new file mode 100644
index 0000000..f2c67db
--- /dev/null
+++ b/graphics/mapper/2.1/utils/passthrough/include/mapper-passthrough/2.1/GrallocLoader.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2017 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.
+ */
+
+#pragma once
+
+#include <memory>
+
+#include <log/log.h>
+#include <mapper-hal/2.1/Mapper.h>
+#include <mapper-hal/2.1/MapperHal.h>
+#include <mapper-passthrough/2.0/GrallocLoader.h>
+#include <mapper-passthrough/2.1/Gralloc0Hal.h>
+#include <mapper-passthrough/2.1/Gralloc1Hal.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_1 {
+namespace passthrough {
+
+class GrallocLoader : public V2_0::passthrough::GrallocLoader {
+   public:
+    static IMapper* load() {
+        const hw_module_t* module = loadModule();
+        if (!module) {
+            return nullptr;
+        }
+        auto hal = createHal(module);
+        if (!hal) {
+            return nullptr;
+        }
+        return createMapper(std::move(hal));
+    }
+
+    // create a MapperHal instance
+    static std::unique_ptr<hal::MapperHal> createHal(const hw_module_t* module) {
+        int major = getModuleMajorApiVersion(module);
+        switch (major) {
+            case 1: {
+                auto hal = std::make_unique<Gralloc1Hal>();
+                return hal->initWithModule(module) ? std::move(hal) : nullptr;
+            }
+            case 0: {
+                auto hal = std::make_unique<Gralloc0Hal>();
+                return hal->initWithModule(module) ? std::move(hal) : nullptr;
+            }
+            default:
+                ALOGE("unknown gralloc module major version %d", major);
+                return nullptr;
+        }
+    }
+
+    // create an IAllocator instance
+    static IMapper* createMapper(std::unique_ptr<hal::MapperHal> hal) {
+        auto mapper = std::make_unique<V2_0::passthrough::GrallocMapper<hal::Mapper>>();
+        return mapper->init(std::move(hal)) ? mapper.release() : nullptr;
+    }
+};
+
+}  // namespace passthrough
+}  // namespace V2_1
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/mapper/2.1/utils/vts/Android.bp b/graphics/mapper/2.1/utils/vts/Android.bp
new file mode 100644
index 0000000..ca02aad
--- /dev/null
+++ b/graphics/mapper/2.1/utils/vts/Android.bp
@@ -0,0 +1,39 @@
+//
+// Copyright (C) 2016 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: "android.hardware.graphics.mapper@2.1-vts",
+    defaults: ["hidl_defaults"],
+    srcs: ["MapperVts.cpp"],
+    cflags: [
+        "-O0",
+        "-g",
+    ],
+    static_libs: [
+        "VtsHalHidlTargetTestBase",
+        "android.hardware.graphics.allocator@2.0",
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@2.0-vts",
+        "android.hardware.graphics.mapper@2.1",
+    ],
+    export_static_lib_headers: [
+        "android.hardware.graphics.allocator@2.0",
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@2.0-vts",
+        "android.hardware.graphics.mapper@2.1",
+    ],
+    export_include_dirs: ["include"],
+}
diff --git a/graphics/mapper/2.1/utils/vts/MapperVts.cpp b/graphics/mapper/2.1/utils/vts/MapperVts.cpp
new file mode 100644
index 0000000..0aaa926
--- /dev/null
+++ b/graphics/mapper/2.1/utils/vts/MapperVts.cpp
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#include <mapper-vts/2.1/MapperVts.h>
+
+#include <VtsHalHidlTargetTestBase.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_1 {
+namespace vts {
+
+using V2_0::Error;
+
+// abuse VTS to check binary compatibility between BufferDescriptorInfos
+using OldBufferDescriptorInfo =
+    android::hardware::graphics::mapper::V2_0::IMapper::BufferDescriptorInfo;
+static_assert(sizeof(OldBufferDescriptorInfo) == sizeof(IMapper::BufferDescriptorInfo) &&
+                  offsetof(OldBufferDescriptorInfo, width) ==
+                      offsetof(IMapper::BufferDescriptorInfo, width) &&
+                  offsetof(OldBufferDescriptorInfo, height) ==
+                      offsetof(IMapper::BufferDescriptorInfo, height) &&
+                  offsetof(OldBufferDescriptorInfo, layerCount) ==
+                      offsetof(IMapper::BufferDescriptorInfo, layerCount) &&
+                  offsetof(OldBufferDescriptorInfo, format) ==
+                      offsetof(IMapper::BufferDescriptorInfo, format) &&
+                  offsetof(OldBufferDescriptorInfo, usage) ==
+                      offsetof(IMapper::BufferDescriptorInfo, usage),
+              "");
+
+Gralloc::Gralloc(const std::string& allocatorServiceName, const std::string& mapperServiceName)
+    : V2_0::vts::Gralloc(allocatorServiceName, mapperServiceName) {
+    if (::testing::Test::HasFatalFailure()) {
+        return;
+    }
+    init();
+}
+
+void Gralloc::init() {
+    mMapperV2_1 = IMapper::castFrom(V2_0::vts::Gralloc::getMapper());
+    ASSERT_NE(nullptr, mMapperV2_1.get()) << "failed to get mapper 2.1 service";
+}
+
+sp<IMapper> Gralloc::getMapper() const {
+    return mMapperV2_1;
+}
+
+bool Gralloc::validateBufferSize(const native_handle_t* bufferHandle,
+                                 const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                 uint32_t stride) {
+    auto buffer = const_cast<native_handle_t*>(bufferHandle);
+
+    Error error = mMapperV2_1->validateBufferSize(buffer, descriptorInfo, stride);
+    return error == Error::NONE;
+}
+
+void Gralloc::getTransportSize(const native_handle_t* bufferHandle, uint32_t* outNumFds,
+                               uint32_t* outNumInts) {
+    auto buffer = const_cast<native_handle_t*>(bufferHandle);
+
+    *outNumFds = 0;
+    *outNumInts = 0;
+    mMapperV2_1->getTransportSize(
+        buffer, [&](const auto& tmpError, const auto& tmpNumFds, const auto& tmpNumInts) {
+            ASSERT_EQ(Error::NONE, tmpError) << "failed to get transport size";
+            ASSERT_GE(bufferHandle->numFds, int(tmpNumFds)) << "invalid numFds " << tmpNumFds;
+            ASSERT_GE(bufferHandle->numInts, int(tmpNumInts)) << "invalid numInts " << tmpNumInts;
+
+            *outNumFds = tmpNumFds;
+            *outNumInts = tmpNumInts;
+        });
+}
+
+BufferDescriptor Gralloc::createDescriptor(const IMapper::BufferDescriptorInfo& descriptorInfo) {
+    BufferDescriptor descriptor;
+    mMapperV2_1->createDescriptor_2_1(
+        descriptorInfo, [&](const auto& tmpError, const auto& tmpDescriptor) {
+            ASSERT_EQ(Error::NONE, tmpError) << "failed to create descriptor";
+            descriptor = tmpDescriptor;
+        });
+
+    return descriptor;
+}
+
+const native_handle_t* Gralloc::allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                         bool import, uint32_t* outStride) {
+    BufferDescriptor descriptor = createDescriptor(descriptorInfo);
+    if (::testing::Test::HasFatalFailure()) {
+        return nullptr;
+    }
+
+    auto buffers = V2_0::vts::Gralloc::allocate(descriptor, 1, import, outStride);
+    if (::testing::Test::HasFatalFailure()) {
+        return nullptr;
+    }
+
+    return buffers[0];
+}
+
+}  // namespace vts
+}  // namespace V2_1
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/mapper/2.1/utils/vts/include/mapper-vts/2.1/MapperVts.h b/graphics/mapper/2.1/utils/vts/include/mapper-vts/2.1/MapperVts.h
new file mode 100644
index 0000000..b7fa751
--- /dev/null
+++ b/graphics/mapper/2.1/utils/vts/include/mapper-vts/2.1/MapperVts.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#pragma once
+
+#include <android/hardware/graphics/mapper/2.1/IMapper.h>
+#include <mapper-vts/2.0/MapperVts.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace mapper {
+namespace V2_1 {
+namespace vts {
+
+using android::hardware::graphics::allocator::V2_0::IAllocator;
+using V2_0::BufferDescriptor;
+
+// A wrapper to IAllocator and IMapper.
+class Gralloc : public V2_0::vts::Gralloc {
+   public:
+    Gralloc(const std::string& allocatorServiceName, const std::string& mapperServiceName);
+
+    sp<IMapper> getMapper() const;
+
+    bool validateBufferSize(const native_handle_t* bufferHandle,
+                            const IMapper::BufferDescriptorInfo& descriptorInfo, uint32_t stride);
+    void getTransportSize(const native_handle_t* bufferHandle, uint32_t* outNumFds,
+                          uint32_t* outNumInts);
+
+    BufferDescriptor createDescriptor(const IMapper::BufferDescriptorInfo& descriptorInfo);
+
+    const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
+                                    bool import = true, uint32_t* outStride = nullptr);
+
+   protected:
+    void init();
+
+    sp<IMapper> mMapperV2_1;
+};
+
+}  // namespace vts
+}  // namespace V2_1
+}  // namespace mapper
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/mapper/2.1/vts/functional/Android.bp b/graphics/mapper/2.1/vts/functional/Android.bp
index 578d298..ac67af8 100644
--- a/graphics/mapper/2.1/vts/functional/Android.bp
+++ b/graphics/mapper/2.1/vts/functional/Android.bp
@@ -18,15 +18,12 @@
     name: "VtsHalGraphicsMapperV2_1TargetTest",
     defaults: ["VtsHalTargetTestDefaults"],
     srcs: ["VtsHalGraphicsMapperV2_1TargetTest.cpp"],
-    shared_libs: [
-        "libsync",
-    ],
     static_libs: [
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.common@1.0",
         "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.mapper@2.1",
-        "libVtsHalGraphicsMapperTestUtils",
-        "libnativehelper",
+        "android.hardware.graphics.mapper@2.0-vts",
+        "android.hardware.graphics.mapper@2.1-vts",
     ],
 }
diff --git a/graphics/mapper/2.1/vts/functional/VtsHalGraphicsMapperV2_1TargetTest.cpp b/graphics/mapper/2.1/vts/functional/VtsHalGraphicsMapperV2_1TargetTest.cpp
index 88b96ae..5e7cf93 100644
--- a/graphics/mapper/2.1/vts/functional/VtsHalGraphicsMapperV2_1TargetTest.cpp
+++ b/graphics/mapper/2.1/vts/functional/VtsHalGraphicsMapperV2_1TargetTest.cpp
@@ -19,115 +19,43 @@
 #include <VtsHalHidlTargetTestBase.h>
 #include <android-base/logging.h>
 #include <android/hardware/graphics/mapper/2.1/IMapper.h>
-#include <sync/sync.h>
-#include "VtsHalGraphicsMapperTestUtils.h"
+#include <mapper-vts/2.1/MapperVts.h>
 
 namespace android {
 namespace hardware {
 namespace graphics {
 namespace mapper {
 namespace V2_1 {
-namespace tests {
+namespace vts {
 namespace {
 
-using android::hardware::graphics::mapper::V2_0::BufferDescriptor;
-using android::hardware::graphics::mapper::V2_0::Error;
-
+using android::hardware::graphics::allocator::V2_0::IAllocator;
 using android::hardware::graphics::common::V1_1::BufferUsage;
 using android::hardware::graphics::common::V1_1::PixelFormat;
+using V2_0::Error;
 
-// abuse VTS to check binary compatibility between BufferDescriptorInfos
-using OldBufferDescriptorInfo =
-    android::hardware::graphics::mapper::V2_0::IMapper::BufferDescriptorInfo;
-static_assert(sizeof(OldBufferDescriptorInfo) == sizeof(IMapper::BufferDescriptorInfo) &&
-                  offsetof(OldBufferDescriptorInfo, width) ==
-                      offsetof(IMapper::BufferDescriptorInfo, width) &&
-                  offsetof(OldBufferDescriptorInfo, height) ==
-                      offsetof(IMapper::BufferDescriptorInfo, height) &&
-                  offsetof(OldBufferDescriptorInfo, layerCount) ==
-                      offsetof(IMapper::BufferDescriptorInfo, layerCount) &&
-                  offsetof(OldBufferDescriptorInfo, format) ==
-                      offsetof(IMapper::BufferDescriptorInfo, format) &&
-                  offsetof(OldBufferDescriptorInfo, usage) ==
-                      offsetof(IMapper::BufferDescriptorInfo, usage),
-              "");
-
-class Gralloc : public V2_0::tests::Gralloc {
+// Test environment for graphics.mapper.
+class GraphicsMapperHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
    public:
-    Gralloc() : V2_0::tests::Gralloc() {
-        if (::testing::Test::HasFatalFailure()) {
-            return;
-        }
-
-        init();
+    // get the test environment singleton
+    static GraphicsMapperHidlEnvironment* Instance() {
+        static GraphicsMapperHidlEnvironment* instance = new GraphicsMapperHidlEnvironment;
+        return instance;
     }
 
-    sp<IMapper> getMapper() const { return mMapper; }
-
-    bool validateBufferSize(const native_handle_t* bufferHandle,
-                            const IMapper::BufferDescriptorInfo& descriptorInfo, uint32_t stride) {
-        auto buffer = const_cast<native_handle_t*>(bufferHandle);
-
-        Error error = mMapper->validateBufferSize(buffer, descriptorInfo, stride);
-        return error == Error::NONE;
+    virtual void registerTestServices() override {
+        registerTestService<IAllocator>();
+        registerTestService<IMapper>();
     }
-
-    void getTransportSize(const native_handle_t* bufferHandle, uint32_t* numFds,
-                          uint32_t* numInts) {
-        auto buffer = const_cast<native_handle_t*>(bufferHandle);
-
-        *numFds = 0;
-        *numInts = 0;
-        mMapper->getTransportSize(buffer, [&](const auto& tmpError, const auto& tmpNumFds,
-                                              const auto& tmpNumInts) {
-            ASSERT_EQ(Error::NONE, tmpError) << "failed to get transport size";
-            ASSERT_GE(bufferHandle->numFds, int(tmpNumFds)) << "invalid numFds " << tmpNumFds;
-            ASSERT_GE(bufferHandle->numInts, int(tmpNumInts)) << "invalid numInts " << tmpNumInts;
-
-            *numFds = tmpNumFds;
-            *numInts = tmpNumInts;
-        });
-    }
-
-    BufferDescriptor createDescriptor(const IMapper::BufferDescriptorInfo& descriptorInfo) {
-        BufferDescriptor descriptor;
-        mMapper->createDescriptor_2_1(
-            descriptorInfo, [&](const auto& tmpError, const auto& tmpDescriptor) {
-                ASSERT_EQ(Error::NONE, tmpError) << "failed to create descriptor";
-                descriptor = tmpDescriptor;
-            });
-
-        return descriptor;
-    }
-
-    const native_handle_t* allocate(const IMapper::BufferDescriptorInfo& descriptorInfo,
-                                    bool import, uint32_t* outStride = nullptr) {
-        BufferDescriptor descriptor = createDescriptor(descriptorInfo);
-        if (::testing::Test::HasFatalFailure()) {
-            return nullptr;
-        }
-
-        auto buffers = V2_0::tests::Gralloc::allocate(descriptor, 1, import, outStride);
-        if (::testing::Test::HasFatalFailure()) {
-            return nullptr;
-        }
-
-        return buffers[0];
-    }
-
-   private:
-    void init() {
-        mMapper = IMapper::castFrom(V2_0::tests::Gralloc::getMapper());
-        ASSERT_NE(nullptr, mMapper.get()) << "failed to find IMapper 2.1";
-    }
-
-    sp<IMapper> mMapper;
 };
 
 class GraphicsMapperHidlTest : public ::testing::VtsHalHidlTargetTestBase {
    protected:
     void SetUp() override {
-        ASSERT_NO_FATAL_FAILURE(mGralloc = std::make_unique<Gralloc>());
+        ASSERT_NO_FATAL_FAILURE(
+            mGralloc = std::make_unique<Gralloc>(
+                GraphicsMapperHidlEnvironment::Instance()->getServiceName<IAllocator>(),
+                GraphicsMapperHidlEnvironment::Instance()->getServiceName<IMapper>()));
 
         mDummyDescriptorInfo.width = 64;
         mDummyDescriptorInfo.height = 64;
@@ -291,7 +219,7 @@
 }
 
 }  // namespace
-}  // namespace tests
+}  // namespace vts
 }  // namespace V2_1
 }  // namespace mapper
 }  // namespace graphics
@@ -299,7 +227,7 @@
 }  // namespace android
 
 int main(int argc, char** argv) {
-    using android::hardware::graphics::mapper::V2_0::tests::GraphicsMapperHidlEnvironment;
+    using android::hardware::graphics::mapper::V2_1::vts::GraphicsMapperHidlEnvironment;
     ::testing::AddGlobalTestEnvironment(GraphicsMapperHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
     GraphicsMapperHidlEnvironment::Instance()->init(&argc, argv);