diff --git a/graphics/composer/2.2/utils/vts/ReadbackVts.cpp b/graphics/composer/2.2/utils/vts/ReadbackVts.cpp
index d479aa7..7bb9121 100644
--- a/graphics/composer/2.2/utils/vts/ReadbackVts.cpp
+++ b/graphics/composer/2.2/utils/vts/ReadbackVts.cpp
@@ -81,14 +81,14 @@
             static_cast<float>(mDisplayFrame.left), static_cast<float>(mDisplayFrame.top),
             static_cast<float>(mDisplayFrame.right), static_cast<float>(mDisplayFrame.bottom));
 
-    const mat4 translation = mat4::translate(vec4(
-            (mTransform & Transform::FLIP_H ? -1.0f : 0.0f) * mDisplayFrame.right,
-            (mTransform & Transform::FLIP_V ? -1.0f : 0.0f) * mDisplayFrame.bottom, 0.0f, 1.0f));
+    const mat4 translation = mat4::translate(
+            vec4((mTransform & Transform::FLIP_H ? -mDisplayFrame.right : 0.0f),
+                 (mTransform & Transform::FLIP_V ? -mDisplayFrame.bottom : 0.0f), 0.0f, 1.0f));
 
     const mat4 scale = mat4::scale(vec4(mTransform & Transform::FLIP_H ? -1.0f : 1.0f,
                                         mTransform & Transform::FLIP_V ? -1.0f : 1.0f, 1.0f, 1.0f));
 
-    layerSettings.geometry.positionTransform = translation * scale;
+    layerSettings.geometry.positionTransform = scale * translation;
 
     return layerSettings;
 }
@@ -296,9 +296,9 @@
     layerSettings.source.buffer.buffer =
             new GraphicBuffer(mBufferHandle, GraphicBuffer::CLONE_HANDLE, mWidth, mHeight,
                               static_cast<int32_t>(mFormat), 1, mUsage, mStride);
-    // TODO(b/136483187): Why does this break the premultiply test
-    // layerSettings.source.buffer.usePremultipliedAlpha =
-    //      mBlendMode == IComposerClient::BlendMode::PREMULTIPLIED;
+
+    layerSettings.source.buffer.usePremultipliedAlpha =
+            mBlendMode == IComposerClient::BlendMode::PREMULTIPLIED;
 
     const float scaleX = (mSourceCrop.right - mSourceCrop.left) / (mWidth);
     const float scaleY = (mSourceCrop.bottom - mSourceCrop.top) / (mHeight);
diff --git a/graphics/composer/2.2/vts/functional/Android.bp b/graphics/composer/2.2/vts/functional/Android.bp
index 1319035..25b827e 100644
--- a/graphics/composer/2.2/vts/functional/Android.bp
+++ b/graphics/composer/2.2/vts/functional/Android.bp
@@ -19,29 +19,24 @@
     defaults: ["VtsHalTargetTestDefaults"],
     srcs: [
         "VtsHalGraphicsComposerV2_2ReadbackTest.cpp",
-        "VtsHalGraphicsComposerV2_2TargetTest.cpp",
-        "VtsHalGraphicsComposerV2_2CompositionComparisonTest.cpp",
+        "VtsHalGraphicsComposerV2_2TargetTest.cpp"
     ],
 
     // TODO(b/64437680): Assume these libs are always available on the device.
     shared_libs: [
+        "libEGL",
+        "libGLESv1_CM",
+        "libGLESv2",
         "libfmq",
+        "libgui",
         "libhidlbase",
         "libhidltransport",
         "libhwbinder",
         "libprocessgroup",
         "libsync",
         "libui",
-        "libgui",
-        "libEGL",
-        "libGLESv1_CM",
-        "libGLESv2",
     ],
     static_libs: [
-        "librenderengine",
-        "libmath",
-        "libarect",
-        "libnativewindow",
         "android.hardware.graphics.allocator@2.0",
         "android.hardware.graphics.allocator@3.0",
         "android.hardware.graphics.common@1.1",
@@ -55,6 +50,7 @@
         "android.hardware.graphics.mapper@2.1-vts",
         "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@3.0-vts",
+        "librenderengine"
     ],
     header_libs: [
         "android.hardware.graphics.composer@2.1-command-buffer",
diff --git a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2CompositionComparisonTest.cpp b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2CompositionComparisonTest.cpp
deleted file mode 100644
index d694a5b..0000000
--- a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2CompositionComparisonTest.cpp
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * 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.
- */
-
-#define LOG_TAG "graphics_composer_hidl_hal_readback_tests@2.2"
-
-#include <VtsHalHidlTargetTestBase.h>
-#include <VtsHalHidlTargetTestEnvBase.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 <composer-vts/2.2/ReadbackVts.h>
-#include <composer-vts/2.2/RenderEngineVts.h>
-#include <ui/GraphicBuffer.h>
-#include <ui/GraphicBufferAllocator.h>
-#include <ui/PixelFormat.h>
-#include <ui/Rect.h>
-#include <ui/Region.h>
-
-namespace android {
-namespace hardware {
-namespace graphics {
-namespace composer {
-namespace V2_2 {
-namespace vts {
-namespace {
-
-using android::GraphicBuffer;
-using android::Rect;
-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 V2_1::Config;
-using V2_1::Display;
-using V2_1::vts::TestCommandReader;
-using vts::Gralloc;
-
-// Test environment for graphics.composer
-class GraphicsComposerHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
-  public:
-    // get the test environment singleton
-    static GraphicsComposerHidlEnvironment* Instance() {
-        static GraphicsComposerHidlEnvironment* instance = new GraphicsComposerHidlEnvironment;
-        return instance;
-    }
-    virtual void registerTestServices() override { registerTestService<IComposer>(); }
-
-  private:
-    GraphicsComposerHidlEnvironment() {}
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(GraphicsComposerHidlEnvironment);
-};
-
-class GraphicsCompositionComparisonTest : public ::testing::VtsHalHidlTargetTestBase {
-  protected:
-    using PowerMode = V2_1::IComposerClient::PowerMode;
-    void SetUp() override {
-        VtsHalHidlTargetTestBase::SetUp();
-        ASSERT_NO_FATAL_FAILURE(
-                mComposer = std::make_unique<Composer>(
-                        GraphicsComposerHidlEnvironment::Instance()->getServiceName<IComposer>()));
-        ASSERT_NO_FATAL_FAILURE(mComposerClient = mComposer->createClient());
-        mComposerCallback = new V2_1::vts::GraphicsComposerCallback;
-        mComposerClient->registerCallback(mComposerCallback);
-
-        // assume the first display is primary and is never removed
-        mPrimaryDisplay = waitForFirstDisplay();
-        Config activeConfig;
-        ASSERT_NO_FATAL_FAILURE(activeConfig = mComposerClient->getActiveConfig(mPrimaryDisplay));
-        ASSERT_NO_FATAL_FAILURE(
-                mDisplayWidth = mComposerClient->getDisplayAttribute(
-                        mPrimaryDisplay, activeConfig, IComposerClient::Attribute::WIDTH));
-        ASSERT_NO_FATAL_FAILURE(
-                mDisplayHeight = mComposerClient->getDisplayAttribute(
-                        mPrimaryDisplay, activeConfig, IComposerClient::Attribute::HEIGHT));
-
-        setTestColorModes();
-
-        // explicitly disable vsync
-        ASSERT_NO_FATAL_FAILURE(mComposerClient->setVsyncEnabled(mPrimaryDisplay, false));
-        mComposerCallback->setVsyncAllowed(false);
-
-        // set up command writer/reader and gralloc
-        mWriter = std::make_shared<CommandWriterBase>(1024);
-        mReader = std::make_unique<TestCommandReader>();
-        mGralloc = std::make_shared<Gralloc>();
-
-        ASSERT_NO_FATAL_FAILURE(mComposerClient->setPowerMode(mPrimaryDisplay, PowerMode::ON));
-
-        ASSERT_NO_FATAL_FAILURE(
-                mTestRenderEngine = std::unique_ptr<TestRenderEngine>(new TestRenderEngine(
-                        PixelFormat::RGBA_8888,
-                        renderengine::RenderEngine::USE_COLOR_MANAGEMENT |
-                                renderengine::RenderEngine::USE_HIGH_PRIORITY_CONTEXT)));
-
-        renderengine::DisplaySettings clientCompositionDisplay;
-        clientCompositionDisplay.physicalDisplay = Rect(mDisplayWidth, mDisplayHeight);
-        clientCompositionDisplay.clip = clientCompositionDisplay.physicalDisplay;
-        clientCompositionDisplay.clearRegion = Region(clientCompositionDisplay.physicalDisplay);
-
-        mTestRenderEngine->initGraphicBuffer(
-                static_cast<uint32_t>(mDisplayWidth), static_cast<uint32_t>(mDisplayHeight), 1,
-                static_cast<uint64_t>(BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN));
-        mTestRenderEngine->setDisplaySettings(clientCompositionDisplay);
-    }
-
-    void TearDown() override {
-        ASSERT_NO_FATAL_FAILURE(mComposerClient->setPowerMode(mPrimaryDisplay, PowerMode::OFF));
-        EXPECT_EQ(0, mReader->mErrors.size());
-        EXPECT_EQ(0, mReader->mCompositionChanges.size());
-        if (mComposerCallback != nullptr) {
-            EXPECT_EQ(0, mComposerCallback->getInvalidHotplugCount());
-            EXPECT_EQ(0, mComposerCallback->getInvalidRefreshCount());
-            EXPECT_EQ(0, mComposerCallback->getInvalidVsyncCount());
-        }
-        VtsHalHidlTargetTestBase::TearDown();
-    }
-
-    void clearCommandReaderState() {
-        mReader->mCompositionChanges.clear();
-        mReader->mErrors.clear();
-    }
-
-    void writeLayers(const std::vector<std::shared_ptr<TestLayer>>& layers) {
-        for (auto layer : layers) {
-            layer->write(mWriter);
-        }
-        execute();
-    }
-
-    void execute() {
-        ASSERT_NO_FATAL_FAILURE(mComposerClient->execute(mReader.get(), mWriter.get()));
-    }
-
-    std::unique_ptr<Composer> mComposer;
-    std::shared_ptr<ComposerClient> mComposerClient;
-
-    sp<V2_1::vts::GraphicsComposerCallback> mComposerCallback;
-    // the first display and is assumed never to be removed
-    Display mPrimaryDisplay;
-    int32_t mDisplayWidth;
-    int32_t mDisplayHeight;
-    std::vector<ColorMode> mTestColorModes;
-    std::shared_ptr<CommandWriterBase> mWriter;
-    std::unique_ptr<TestCommandReader> mReader;
-    std::shared_ptr<Gralloc> mGralloc;
-    std::unique_ptr<TestRenderEngine> mTestRenderEngine;
-
-    bool mHasReadbackBuffer;
-    PixelFormat mPixelFormat;
-    Dataspace mDataspace;
-
-  private:
-    Display waitForFirstDisplay() {
-        while (true) {
-            std::vector<Display> displays = mComposerCallback->getDisplays();
-            if (displays.empty()) {
-                usleep(5 * 1000);
-                continue;
-            }
-            return displays[0];
-        }
-    }
-
-    void setTestColorModes() {
-        mTestColorModes.clear();
-        mComposerClient->getRaw()->getColorModes_2_2(mPrimaryDisplay, [&](const auto& tmpError,
-                                                                          const auto& tmpModes) {
-            ASSERT_EQ(Error::NONE, tmpError);
-            for (ColorMode mode : tmpModes) {
-                if (std::find(ReadbackHelper::colorModes.begin(), ReadbackHelper::colorModes.end(),
-                              mode) != ReadbackHelper::colorModes.end()) {
-                    mTestColorModes.push_back(mode);
-                }
-            }
-        });
-    }
-};
-
-TEST_F(GraphicsCompositionComparisonTest, SingleSolidColorLayer) {
-    for (ColorMode mode : mTestColorModes) {
-        std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
-                  << std::endl;
-        mWriter->selectDisplay(mPrimaryDisplay);
-        ASSERT_NO_FATAL_FAILURE(
-                mComposerClient->setColorMode(mPrimaryDisplay, mode, RenderIntent::COLORIMETRIC));
-
-        mComposerClient->getRaw()->getReadbackBufferAttributes(
-                mPrimaryDisplay,
-                [&](const auto& tmpError, const auto& tmpPixelFormat, const auto& tmpDataspace) {
-                    mHasReadbackBuffer = ReadbackHelper::readbackSupported(tmpPixelFormat,
-                                                                           tmpDataspace, tmpError);
-                    mPixelFormat = tmpPixelFormat;
-                    mDataspace = tmpDataspace;
-                });
-
-        if (!mHasReadbackBuffer) {
-            std::cout << "Readback not supported or unsupported pixelFormat/dataspace" << std::endl;
-            GTEST_SUCCEED() << "Readback not supported or unsupported pixelFormat/dataspace";
-            return;
-        }
-
-        auto layer = std::make_shared<TestColorLayer>(mComposerClient, mPrimaryDisplay);
-        IComposerClient::Rect coloredSquare({0, 0, mDisplayWidth, mDisplayHeight});
-        layer->setColor(BLUE);
-        layer->setDisplayFrame(coloredSquare);
-        layer->setZOrder(10);
-
-        std::vector<std::shared_ptr<TestLayer>> layers = {layer};
-
-        // expected color for each pixel
-        std::vector<IComposerClient::Color> expectedColors(mDisplayWidth * mDisplayHeight);
-        ReadbackHelper::fillColorsArea(expectedColors, mDisplayWidth, coloredSquare, BLUE);
-
-        ReadbackBuffer readbackBuffer(mPrimaryDisplay, mComposerClient, mGralloc, mDisplayWidth,
-                                      mDisplayHeight, mPixelFormat, mDataspace);
-        ASSERT_NO_FATAL_FAILURE(readbackBuffer.setReadbackBuffer());
-
-        writeLayers(layers);
-        ASSERT_EQ(0, mReader->mErrors.size());
-        mWriter->validateDisplay();
-        execute();
-        // if hwc cannot handle and asks for composition change,
-        // just succeed the test
-        if (mReader->mCompositionChanges.size() != 0) {
-            clearCommandReaderState();
-            GTEST_SUCCEED();
-            return;
-        }
-        ASSERT_EQ(0, mReader->mErrors.size());
-        mWriter->presentDisplay();
-        execute();
-        ASSERT_EQ(0, mReader->mErrors.size());
-
-        ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
-        mTestRenderEngine->setRenderLayers(layers);
-        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
-        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
-    }
-}
-
-}  // namespace
-}  // namespace vts
-}  // namespace V2_2
-}  // namespace composer
-}  // namespace graphics
-}  // namespace hardware
-}  // namespace android
diff --git a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2ReadbackTest.cpp b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2ReadbackTest.cpp
index 92c03f0..ade7a38 100644
--- a/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2ReadbackTest.cpp
+++ b/graphics/composer/2.2/vts/functional/VtsHalGraphicsComposerV2_2ReadbackTest.cpp
@@ -21,7 +21,14 @@
 #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 <composer-vts/2.2/ReadbackVts.h>
+#include <composer-vts/2.2/RenderEngineVts.h>
+#include <ui/GraphicBuffer.h>
+#include <ui/GraphicBufferAllocator.h>
+#include <ui/PixelFormat.h>
+#include <ui/Rect.h>
+#include <ui/Region.h>
 
 namespace android {
 namespace hardware {
@@ -31,14 +38,17 @@
 namespace vts {
 namespace {
 
+using android::GraphicBuffer;
+using android::Rect;
 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 V2_1::Config;
 using V2_1::Display;
-using V2_1::Layer;
 using V2_1::vts::TestCommandReader;
+using vts::Gralloc;
 
 // Test environment for graphics.composer
 class GraphicsComposerHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
@@ -55,8 +65,8 @@
     GTEST_DISALLOW_COPY_AND_ASSIGN_(GraphicsComposerHidlEnvironment);
 };
 
-class GraphicsComposerReadbackTest : public ::testing::VtsHalHidlTargetTestBase {
-   protected:
+class GraphicsCompositionTest : public ::testing::VtsHalHidlTargetTestBase {
+  protected:
     using PowerMode = V2_1::IComposerClient::PowerMode;
     void SetUp() override {
         VtsHalHidlTargetTestBase::SetUp();
@@ -90,6 +100,22 @@
         mGralloc = std::make_shared<Gralloc>();
 
         ASSERT_NO_FATAL_FAILURE(mComposerClient->setPowerMode(mPrimaryDisplay, PowerMode::ON));
+
+        ASSERT_NO_FATAL_FAILURE(
+                mTestRenderEngine = std::unique_ptr<TestRenderEngine>(new TestRenderEngine(
+                        PixelFormat::RGBA_8888,
+                        renderengine::RenderEngine::USE_COLOR_MANAGEMENT |
+                                renderengine::RenderEngine::USE_HIGH_PRIORITY_CONTEXT)));
+
+        renderengine::DisplaySettings clientCompositionDisplay;
+        clientCompositionDisplay.physicalDisplay = Rect(mDisplayWidth, mDisplayHeight);
+        clientCompositionDisplay.clip = clientCompositionDisplay.physicalDisplay;
+        clientCompositionDisplay.clearRegion = Region(clientCompositionDisplay.physicalDisplay);
+
+        mTestRenderEngine->initGraphicBuffer(
+                static_cast<uint32_t>(mDisplayWidth), static_cast<uint32_t>(mDisplayHeight), 1,
+                static_cast<uint64_t>(BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN));
+        mTestRenderEngine->setDisplaySettings(clientCompositionDisplay);
     }
 
     void TearDown() override {
@@ -132,6 +158,7 @@
     std::shared_ptr<CommandWriterBase> mWriter;
     std::unique_ptr<TestCommandReader> mReader;
     std::shared_ptr<Gralloc> mGralloc;
+    std::unique_ptr<TestRenderEngine> mTestRenderEngine;
 
     bool mHasReadbackBuffer;
     PixelFormat mPixelFormat;
@@ -166,7 +193,7 @@
     }
 };
 
-TEST_F(GraphicsComposerReadbackTest, SingleSolidColorLayer) {
+TEST_F(GraphicsCompositionTest, SingleSolidColorLayer) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -222,10 +249,13 @@
         ASSERT_EQ(0, mReader->mErrors.size());
 
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(layers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
-TEST_F(GraphicsComposerReadbackTest, SetLayerBuffer) {
+TEST_F(GraphicsCompositionTest, SetLayerBuffer) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -291,10 +321,13 @@
         ASSERT_EQ(0, mReader->mErrors.size());
 
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(layers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
-TEST_F(GraphicsComposerReadbackTest, SetLayerBufferNoEffect) {
+TEST_F(GraphicsCompositionTest, SetLayerBufferNoEffect) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -356,7 +389,7 @@
     }
 }
 
-TEST_F(GraphicsComposerReadbackTest, ClientComposition) {
+TEST_F(GraphicsCompositionTest, ClientComposition) {
     ASSERT_NO_FATAL_FAILURE(
             mComposerClient->setClientTargetSlotCount(mPrimaryDisplay, kClientTargetSlotCount));
 
@@ -473,7 +506,7 @@
     }
 }
 
-TEST_F(GraphicsComposerReadbackTest, DeviceAndClientComposition) {
+TEST_F(GraphicsCompositionTest, DeviceAndClientComposition) {
     ASSERT_NO_FATAL_FAILURE(
             mComposerClient->setClientTargetSlotCount(mPrimaryDisplay, kClientTargetSlotCount));
 
@@ -599,7 +632,7 @@
     }
 }
 
-TEST_F(GraphicsComposerReadbackTest, SetLayerDamage) {
+TEST_F(GraphicsCompositionTest, SetLayerDamage) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -684,7 +717,7 @@
     }
 }
 
-TEST_F(GraphicsComposerReadbackTest, SetLayerPlaneAlpha) {
+TEST_F(GraphicsCompositionTest, SetLayerPlaneAlpha) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -739,10 +772,13 @@
         std::vector<IComposerClient::Color> expectedColors(mDisplayWidth * mDisplayHeight);
 
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(layers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
-TEST_F(GraphicsComposerReadbackTest, SetLayerSourceCrop) {
+TEST_F(GraphicsCompositionTest, SetLayerSourceCrop) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -807,10 +843,13 @@
         execute();
         ASSERT_EQ(0, mReader->mErrors.size());
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(layers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
-TEST_F(GraphicsComposerReadbackTest, SetLayerZOrder) {
+TEST_F(GraphicsCompositionTest, SetLayerZOrder) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -891,20 +930,23 @@
         ASSERT_EQ(0, mReader->mErrors.size());
 
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(layers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
-class GraphicsComposerBlendModeReadbackTest : public GraphicsComposerReadbackTest,
-                                              public ::testing::WithParamInterface<float> {
-   public:
+class GraphicsBlendModeCompositionTest : public GraphicsCompositionTest,
+                                         public ::testing::WithParamInterface<float> {
+  public:
     void SetUp() override {
-        GraphicsComposerReadbackTest::SetUp();
+        GraphicsCompositionTest::SetUp();
         mTestColorModes = {ColorMode::SRGB};  // TODO: add more color mode support
         mBackgroundColor = BLACK;
         mTopLayerColor = RED;
     }
 
-    void TearDown() override { GraphicsComposerReadbackTest::TearDown(); }
+    void TearDown() override { GraphicsCompositionTest::TearDown(); }
 
     void setBackgroundColor(IComposerClient::Color color) { mBackgroundColor = color; }
 
@@ -976,7 +1018,7 @@
     IComposerClient::Color mTopLayerColor;
 };
 
-TEST_P(GraphicsComposerBlendModeReadbackTest, None) {
+TEST_P(GraphicsBlendModeCompositionTest, None) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -1026,12 +1068,15 @@
         ASSERT_EQ(0, mReader->mErrors.size());
 
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(mLayers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
 // TODO: bug 116865056: Readback returns (245, 0, 0) for layer plane
 // alpha of .2, expected 10.2
-TEST_P(GraphicsComposerBlendModeReadbackTest, DISABLED_Coverage) {
+TEST_P(GraphicsBlendModeCompositionTest, DISABLED_Coverage) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -1084,7 +1129,7 @@
     }
 }
 
-TEST_P(GraphicsComposerBlendModeReadbackTest, Premultiplied) {
+TEST_P(GraphicsBlendModeCompositionTest, Premultiplied) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -1132,16 +1177,19 @@
         execute();
         ASSERT_EQ(0, mReader->mErrors.size());
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(mLayers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
-INSTANTIATE_TEST_CASE_P(BlendModeTest, GraphicsComposerBlendModeReadbackTest,
+INSTANTIATE_TEST_CASE_P(BlendModeTest, GraphicsBlendModeCompositionTest,
                         ::testing::Values(.2, 1.0));
 
-class GraphicsComposerTransformReadbackTest : public GraphicsComposerReadbackTest {
-   protected:
+class GraphicsTransformCompositionTest : public GraphicsCompositionTest {
+  protected:
     void SetUp() override {
-        GraphicsComposerReadbackTest::SetUp();
+        GraphicsCompositionTest::SetUp();
 
         mWriter->selectDisplay(mPrimaryDisplay);
 
@@ -1176,7 +1224,7 @@
     int mSideLength;
 };
 
-TEST_F(GraphicsComposerTransformReadbackTest, FLIP_H) {
+TEST_F(GraphicsTransformCompositionTest, FLIP_H) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -1225,10 +1273,13 @@
         ASSERT_EQ(0, mReader->mErrors.size());
 
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(mLayers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
-TEST_F(GraphicsComposerTransformReadbackTest, FLIP_V) {
+TEST_F(GraphicsTransformCompositionTest, FLIP_V) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -1277,10 +1328,13 @@
         execute();
         ASSERT_EQ(0, mReader->mErrors.size());
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(mLayers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }
 
-TEST_F(GraphicsComposerTransformReadbackTest, ROT_180) {
+TEST_F(GraphicsTransformCompositionTest, ROT_180) {
     for (ColorMode mode : mTestColorModes) {
         std::cout << "---Testing Color Mode " << ReadbackHelper::getColorModeString(mode) << "---"
                   << std::endl;
@@ -1330,6 +1384,9 @@
         execute();
         ASSERT_EQ(0, mReader->mErrors.size());
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.checkReadbackBuffer(expectedColors));
+        mTestRenderEngine->setRenderLayers(mLayers);
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->drawLayers());
+        ASSERT_NO_FATAL_FAILURE(mTestRenderEngine->checkColorBuffer(expectedColors));
     }
 }