diff --git a/graphics/composer/2.2/utils/vts/Android.bp b/graphics/composer/2.2/utils/vts/Android.bp
index c6b524d..4016120 100644
--- a/graphics/composer/2.2/utils/vts/Android.bp
+++ b/graphics/composer/2.2/utils/vts/Android.bp
@@ -19,12 +19,15 @@
     defaults: ["hidl_defaults"],
     srcs: [
         "ComposerVts.cpp",
+        "ReadbackVts.cpp",
     ],
     static_libs: [
         "VtsHalHidlTargetTestBase",
         "android.hardware.graphics.composer@2.1",
         "android.hardware.graphics.composer@2.1-vts",
         "android.hardware.graphics.composer@2.2",
+        "android.hardware.graphics.mapper@2.1",
+        "android.hardware.graphics.mapper@2.1-vts",
     ],
     export_static_lib_headers: [
         "android.hardware.graphics.composer@2.1-vts",
diff --git a/graphics/composer/2.2/utils/vts/ReadbackVts.cpp b/graphics/composer/2.2/utils/vts/ReadbackVts.cpp
new file mode 100644
index 0000000..8eabaef
--- /dev/null
+++ b/graphics/composer/2.2/utils/vts/ReadbackVts.cpp
@@ -0,0 +1,247 @@
+/*
+ * Copyright 2019 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 <composer-vts/2.2/ReadbackVts.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace composer {
+namespace V2_2 {
+namespace vts {
+
+void TestLayer::write(const std::shared_ptr<CommandWriterBase>& writer) {
+    writer->selectLayer(mLayer);
+    writer->setLayerDisplayFrame(mDisplayFrame);
+    writer->setLayerSourceCrop(mSourceCrop);
+    writer->setLayerZOrder(mZOrder);
+    writer->setLayerSurfaceDamage(mSurfaceDamage);
+    writer->setLayerTransform(mTransform);
+    writer->setLayerPlaneAlpha(mAlpha);
+    writer->setLayerBlendMode(mBlendMode);
+}
+
+int32_t ReadbackHelper::GetBytesPerPixel(PixelFormat pixelFormat) {
+    switch (pixelFormat) {
+        case PixelFormat::RGBA_8888:
+            return 4;
+        case PixelFormat::RGB_888:
+            return 3;
+        default:
+            return -1;
+    }
+}
+
+void ReadbackHelper::fillBuffer(int32_t width, int32_t height, uint32_t stride, void* bufferData,
+                                PixelFormat pixelFormat,
+                                std::vector<IComposerClient::Color> desiredPixelColors) {
+    ASSERT_TRUE(pixelFormat == PixelFormat::RGB_888 || pixelFormat == PixelFormat::RGBA_8888);
+    int32_t bytesPerPixel = GetBytesPerPixel(pixelFormat);
+    ASSERT_NE(-1, bytesPerPixel);
+    for (int row = 0; row < height; row++) {
+        for (int col = 0; col < width; col++) {
+            int pixel = row * width + col;
+            IComposerClient::Color srcColor = desiredPixelColors[pixel];
+
+            int offset = (row * stride + col) * bytesPerPixel;
+            uint8_t* pixelColor = (uint8_t*)bufferData + offset;
+            pixelColor[0] = srcColor.r;
+            pixelColor[1] = srcColor.g;
+            pixelColor[2] = srcColor.b;
+
+            if (bytesPerPixel == 4) {
+                pixelColor[3] = srcColor.a;
+            }
+        }
+    }
+}
+
+void ReadbackHelper::clearColors(std::vector<IComposerClient::Color>& expectedColors, int32_t width,
+                                 int32_t height, int32_t displayWidth) {
+    for (int row = 0; row < height; row++) {
+        for (int col = 0; col < width; col++) {
+            int pixel = row * displayWidth + col;
+            expectedColors[pixel] = BLACK;
+        }
+    }
+}
+
+void ReadbackHelper::fillColorsArea(std::vector<IComposerClient::Color>& expectedColors,
+                                    int32_t stride, IComposerClient::Rect area,
+                                    IComposerClient::Color color) {
+    for (int row = area.top; row < area.bottom; row++) {
+        for (int col = area.left; col < area.right; col++) {
+            int pixel = row * stride + col;
+            expectedColors[pixel] = color;
+        }
+    }
+}
+
+bool ReadbackHelper::readbackSupported(const PixelFormat& pixelFormat, const Dataspace& dataspace,
+                                       const Error error) {
+    if (error != Error::NONE) {
+        return false;
+    }
+    // TODO: add support for RGBA_1010102
+    if (pixelFormat != PixelFormat::RGB_888 && pixelFormat != PixelFormat::RGBA_8888) {
+        return false;
+    }
+    if (dataspace != Dataspace::V0_SRGB) {
+        return false;
+    }
+    return true;
+}
+
+ReadbackBuffer::ReadbackBuffer(Display display, const std::shared_ptr<ComposerClient>& client,
+                               const std::shared_ptr<Gralloc>& gralloc, uint32_t width,
+                               uint32_t height, PixelFormat pixelFormat, Dataspace dataspace) {
+    mDisplay = display;
+
+    mComposerClient = client;
+    mGralloc = gralloc;
+
+    mPixelFormat = pixelFormat;
+    mDataspace = dataspace;
+
+    mInfo.width = width;
+    mInfo.height = height;
+    mInfo.layerCount = 1;
+    mInfo.format = mPixelFormat;
+    mInfo.usage = static_cast<uint64_t>(BufferUsage::CPU_READ_OFTEN | BufferUsage::GPU_TEXTURE);
+
+    mAccessRegion.top = 0;
+    mAccessRegion.left = 0;
+    mAccessRegion.width = width;
+    mAccessRegion.height = height;
+}
+
+ReadbackBuffer::~ReadbackBuffer() {
+    if (mBufferHandle != nullptr) {
+        mGralloc->freeBuffer(mBufferHandle);
+    }
+}
+
+void ReadbackBuffer::setReadbackBuffer() {
+    if (mBufferHandle != nullptr) {
+        mGralloc->freeBuffer(mBufferHandle);
+        mBufferHandle = nullptr;
+    }
+    mBufferHandle = mGralloc->allocate(mInfo, /*import*/ true, &mStride);
+    ASSERT_NE(false, mGralloc->validateBufferSize(mBufferHandle, mInfo, mStride));
+    ASSERT_NO_FATAL_FAILURE(mComposerClient->setReadbackBuffer(mDisplay, mBufferHandle, -1));
+}
+
+void ReadbackBuffer::checkReadbackBuffer(std::vector<IComposerClient::Color> expectedColors) {
+    // lock buffer for reading
+    int32_t fenceHandle;
+    ASSERT_NO_FATAL_FAILURE(mComposerClient->getReadbackBufferFence(mDisplay, &fenceHandle));
+
+    void* bufData = mGralloc->lock(mBufferHandle, mInfo.usage, mAccessRegion, fenceHandle);
+    ASSERT_TRUE(mPixelFormat == PixelFormat::RGB_888 || mPixelFormat == PixelFormat::RGBA_8888);
+    int32_t bytesPerPixel = ReadbackHelper::GetBytesPerPixel(mPixelFormat);
+    ASSERT_NE(-1, bytesPerPixel);
+    for (int row = 0; row < mInfo.height; row++) {
+        for (int col = 0; col < mInfo.width; col++) {
+            int pixel = row * mInfo.width + col;
+            int offset = (row * mStride + col) * bytesPerPixel;
+            uint8_t* pixelColor = (uint8_t*)bufData + offset;
+
+            ASSERT_EQ(expectedColors[pixel].r, pixelColor[0]);
+            ASSERT_EQ(expectedColors[pixel].g, pixelColor[1]);
+            ASSERT_EQ(expectedColors[pixel].b, pixelColor[2]);
+        }
+    }
+    int32_t unlockFence = mGralloc->unlock(mBufferHandle);
+    if (unlockFence != -1) {
+        sync_wait(unlockFence, -1);
+        close(unlockFence);
+    }
+}
+
+void TestColorLayer::write(const std::shared_ptr<CommandWriterBase>& writer) {
+    TestLayer::write(writer);
+    writer->setLayerCompositionType(IComposerClient::Composition::SOLID_COLOR);
+    writer->setLayerColor(mColor);
+}
+
+TestBufferLayer::TestBufferLayer(const std::shared_ptr<ComposerClient>& client,
+                                 const std::shared_ptr<Gralloc>& gralloc, Display display,
+                                 int32_t width, int32_t height, PixelFormat format,
+                                 IComposerClient::Composition composition)
+    : TestLayer{client, display} {
+    mGralloc = gralloc;
+    mComposition = composition;
+    mInfo.width = width;
+    mInfo.height = height;
+    mInfo.layerCount = 1;
+    mInfo.format = format;
+    mInfo.usage = static_cast<uint64_t>(BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
+                                        BufferUsage::COMPOSER_OVERLAY);
+
+    mAccessRegion.top = 0;
+    mAccessRegion.left = 0;
+    mAccessRegion.width = width;
+    mAccessRegion.height = height;
+
+    setSourceCrop({0, 0, (float)width, (float)height});
+}
+
+TestBufferLayer::~TestBufferLayer() {
+    if (mBufferHandle != nullptr) {
+        mGralloc->freeBuffer(mBufferHandle);
+    }
+}
+
+void TestBufferLayer::write(const std::shared_ptr<CommandWriterBase>& writer) {
+    TestLayer::write(writer);
+    writer->setLayerCompositionType(mComposition);
+    writer->setLayerDataspace(Dataspace::UNKNOWN);
+    writer->setLayerVisibleRegion(std::vector<IComposerClient::Rect>(1, mDisplayFrame));
+    if (mBufferHandle != nullptr) writer->setLayerBuffer(0, mBufferHandle, mFillFence);
+}
+
+void TestBufferLayer::fillBuffer(std::vector<IComposerClient::Color> expectedColors) {
+    void* bufData = mGralloc->lock(mBufferHandle, mInfo.usage, mAccessRegion, -1);
+    ASSERT_NO_FATAL_FAILURE(ReadbackHelper::fillBuffer(mInfo.width, mInfo.height, mStride, bufData,
+                                                       mInfo.format, expectedColors));
+    mFillFence = mGralloc->unlock(mBufferHandle);
+    if (mFillFence != -1) {
+        sync_wait(mFillFence, -1);
+        close(mFillFence);
+    }
+}
+void TestBufferLayer::setBuffer(std::vector<IComposerClient::Color> colors) {
+    if (mBufferHandle != nullptr) {
+        mGralloc->freeBuffer(mBufferHandle);
+        mBufferHandle = nullptr;
+    }
+    mBufferHandle = mGralloc->allocate(mInfo, /*import*/ true, &mStride);
+    ASSERT_NE(nullptr, mBufferHandle);
+    ASSERT_NO_FATAL_FAILURE(fillBuffer(colors));
+    ASSERT_NE(false, mGralloc->validateBufferSize(mBufferHandle, mInfo, mStride));
+}
+
+void TestBufferLayer::setToClientComposition(const std::shared_ptr<CommandWriterBase>& writer) {
+    writer->selectLayer(mLayer);
+    writer->setLayerCompositionType(IComposerClient::Composition::CLIENT);
+}
+
+}  // namespace vts
+}  // namespace V2_2
+}  // namespace composer
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android
diff --git a/graphics/composer/2.2/utils/vts/include/composer-vts/2.2/ReadbackVts.h b/graphics/composer/2.2/utils/vts/include/composer-vts/2.2/ReadbackVts.h
new file mode 100644
index 0000000..9ce4e39
--- /dev/null
+++ b/graphics/composer/2.2/utils/vts/include/composer-vts/2.2/ReadbackVts.h
@@ -0,0 +1,175 @@
+/*
+ * Copyright 2019 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-base/unique_fd.h>
+#include <android/hardware/graphics/composer/2.2/IComposerClient.h>
+#include <composer-command-buffer/2.2/ComposerCommandBuffer.h>
+#include <composer-vts/2.1/GraphicsComposerCallback.h>
+#include <composer-vts/2.1/TestCommandReader.h>
+#include <composer-vts/2.2/ComposerVts.h>
+#include <mapper-vts/2.1/MapperVts.h>
+
+namespace android {
+namespace hardware {
+namespace graphics {
+namespace composer {
+namespace V2_2 {
+namespace vts {
+
+using android::hardware::hidl_handle;
+using common::V1_1::BufferUsage;
+using common::V1_1::Dataspace;
+using common::V1_1::PixelFormat;
+using mapper::V2_1::IMapper;
+using mapper::V2_1::vts::Gralloc;
+using V2_1::Display;
+using V2_1::Layer;
+using V2_1::vts::TestCommandReader;
+
+static const IComposerClient::Color BLACK = {0, 0, 0, 0xff};
+static const IComposerClient::Color RED = {0xff, 0, 0, 0xff};
+static const IComposerClient::Color TRANSLUCENT_RED = {0xff, 0, 0, 0x33};
+static const IComposerClient::Color GREEN = {0, 0xff, 0, 0xff};
+static const IComposerClient::Color BLUE = {0, 0, 0xff, 0xff};
+
+class TestLayer {
+  public:
+    TestLayer(const std::shared_ptr<ComposerClient>& client, Display display)
+        : mLayer(client->createLayer(display, kBufferSlotCount)), mComposerClient(client) {}
+
+    // ComposerClient will take care of destroying layers, no need to explicitly
+    // call destroyLayers here
+    virtual ~TestLayer(){};
+
+    virtual void write(const std::shared_ptr<CommandWriterBase>& writer);
+
+    void setDisplayFrame(IComposerClient::Rect frame) { mDisplayFrame = frame; }
+    void setSourceCrop(IComposerClient::FRect crop) { mSourceCrop = crop; }
+    void setZOrder(uint32_t z) { mZOrder = z; }
+
+    void setSurfaceDamage(std::vector<IComposerClient::Rect> surfaceDamage) {
+        mSurfaceDamage = surfaceDamage;
+    }
+
+    void setTransform(Transform transform) { mTransform = transform; }
+    void setAlpha(float alpha) { mAlpha = alpha; }
+    void setBlendMode(IComposerClient::BlendMode blendMode) { mBlendMode = blendMode; }
+
+    static constexpr uint32_t kBufferSlotCount = 64;
+
+    IComposerClient::Rect mDisplayFrame = {0, 0, 0, 0};
+    uint32_t mZOrder = 0;
+    std::vector<IComposerClient::Rect> mSurfaceDamage;
+    Transform mTransform = static_cast<Transform>(0);
+    IComposerClient::FRect mSourceCrop = {0, 0, 0, 0};
+    float mAlpha = 1.0;
+    IComposerClient::BlendMode mBlendMode = IComposerClient::BlendMode::NONE;
+
+  protected:
+    Layer mLayer;
+
+  private:
+    std::shared_ptr<ComposerClient> const mComposerClient;
+};
+
+class TestColorLayer : public TestLayer {
+  public:
+    TestColorLayer(const std::shared_ptr<ComposerClient>& client, Display display)
+        : TestLayer{client, display} {}
+
+    void write(const std::shared_ptr<CommandWriterBase>& writer) override;
+
+    void setColor(IComposerClient::Color color) { mColor = color; }
+
+  private:
+    IComposerClient::Color mColor = {0xff, 0xff, 0xff, 0xff};
+};
+
+class TestBufferLayer : public TestLayer {
+  public:
+    TestBufferLayer(
+            const std::shared_ptr<ComposerClient>& client, const std::shared_ptr<Gralloc>& gralloc,
+            Display display, int32_t width, int32_t height, PixelFormat format,
+            IComposerClient::Composition composition = IComposerClient::Composition::DEVICE);
+
+    ~TestBufferLayer();
+
+    void write(const std::shared_ptr<CommandWriterBase>& writer) override;
+
+    void fillBuffer(std::vector<IComposerClient::Color> expectedColors);
+
+    void setBuffer(std::vector<IComposerClient::Color> colors);
+
+    void setToClientComposition(const std::shared_ptr<CommandWriterBase>& writer);
+
+    IMapper::BufferDescriptorInfo mInfo;
+    IMapper::Rect mAccessRegion;
+    uint32_t mStride;
+
+  protected:
+    IComposerClient::Composition mComposition;
+    std::shared_ptr<Gralloc> mGralloc;
+    int32_t mFillFence;
+    const native_handle_t* mBufferHandle = nullptr;
+};
+
+class ReadbackHelper : public ::testing::VtsHalHidlTargetTestBase {
+  public:
+    static int32_t GetBytesPerPixel(PixelFormat pixelFormat);
+
+    static void fillBuffer(int32_t width, int32_t height, uint32_t stride, void* bufferData,
+                           PixelFormat pixelFormat,
+                           std::vector<IComposerClient::Color> desiredPixelColors);
+
+    static void clearColors(std::vector<IComposerClient::Color>& expectedColors, int32_t width,
+                            int32_t height, int32_t displayWidth);
+
+    static void fillColorsArea(std::vector<IComposerClient::Color>& expectedColors, int32_t stride,
+                               IComposerClient::Rect area, IComposerClient::Color color);
+
+    static bool readbackSupported(const PixelFormat& pixelFormat, const Dataspace& dataspace,
+                                  const Error error);
+};
+
+class ReadbackBuffer {
+  public:
+    ReadbackBuffer(Display display, const std::shared_ptr<ComposerClient>& client,
+                   const std::shared_ptr<Gralloc>& gralloc, uint32_t width, uint32_t height,
+                   PixelFormat pixelFormat, Dataspace dataspace);
+    ~ReadbackBuffer();
+
+    void setReadbackBuffer();
+
+    void checkReadbackBuffer(std::vector<IComposerClient::Color> expectedColors);
+
+  protected:
+    IMapper::BufferDescriptorInfo mInfo;
+    IMapper::Rect mAccessRegion;
+    uint32_t mStride;
+    const native_handle_t* mBufferHandle = nullptr;
+    PixelFormat mPixelFormat;
+    Dataspace mDataspace;
+    Display mDisplay;
+    std::shared_ptr<Gralloc> mGralloc;
+    std::shared_ptr<ComposerClient> mComposerClient;
+};
+
+}  // namespace vts
+}  // namespace V2_2
+}  // namespace composer
+}  // namespace graphics
+}  // namespace hardware
+}  // namespace android