diff --git a/graphics/composer/2.2/utils/vts/Android.bp b/graphics/composer/2.2/utils/vts/Android.bp
index c6b524d..dd979cb 100644
--- a/graphics/composer/2.2/utils/vts/Android.bp
+++ b/graphics/composer/2.2/utils/vts/Android.bp
@@ -25,6 +25,10 @@
         "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",
+        "android.hardware.graphics.mapper@3.0",
+        "android.hardware.graphics.mapper@3.0-vts",
     ],
     export_static_lib_headers: [
         "android.hardware.graphics.composer@2.1-vts",
diff --git a/graphics/composer/2.2/utils/vts/ComposerVts.cpp b/graphics/composer/2.2/utils/vts/ComposerVts.cpp
index da99460..cd6772a 100644
--- a/graphics/composer/2.2/utils/vts/ComposerVts.cpp
+++ b/graphics/composer/2.2/utils/vts/ComposerVts.cpp
@@ -180,6 +180,48 @@
     return matrix;
 }
 
+Gralloc::Gralloc() {
+    [this] {
+        ALOGD("Attempting to initialize gralloc3");
+        ASSERT_NO_FATAL_FAILURE(mGralloc3 = std::make_shared<Gralloc3>("default", "default",
+                                                                       /*errOnFailure=*/false));
+        if (mGralloc3->getMapper() == nullptr || mGralloc3->getAllocator() == nullptr) {
+            mGralloc3 = nullptr;
+            ALOGD("Failed to create gralloc3, initializing gralloc2_1");
+            mGralloc2_1 = std::make_shared<Gralloc2_1>(/*errOnFailure*/ false);
+            if (!mGralloc2_1->getMapper()) {
+                mGralloc2_1 = nullptr;
+                ALOGD("Failed to create gralloc2_1, initializing gralloc2");
+                ASSERT_NO_FATAL_FAILURE(mGralloc2 = std::make_shared<Gralloc2>());
+            }
+        }
+    }();
+}
+
+bool Gralloc::validateBufferSize(const native_handle_t* bufferHandle, uint32_t width,
+                                 uint32_t height, uint32_t layerCount, PixelFormat format,
+                                 uint64_t usage, uint32_t stride) {
+    if (mGralloc3) {
+        IMapper3::BufferDescriptorInfo info{};
+        info.width = width;
+        info.height = height;
+        info.layerCount = layerCount;
+        info.format = static_cast<android::hardware::graphics::common::V1_2::PixelFormat>(format);
+        info.usage = usage;
+        return mGralloc3->validateBufferSize(bufferHandle, info, stride);
+    } else if (mGralloc2_1) {
+        IMapper2_1::BufferDescriptorInfo info{};
+        info.width = width;
+        info.height = height;
+        info.layerCount = layerCount;
+        info.format = static_cast<android::hardware::graphics::common::V1_1::PixelFormat>(format);
+        info.usage = usage;
+        return mGralloc2_1->validateBufferSize(bufferHandle, info, stride);
+    } else {
+        return true;
+    }
+}
+
 }  // namespace vts
 }  // namespace V2_2
 }  // namespace composer
diff --git a/graphics/composer/2.2/utils/vts/include/composer-vts/2.2/ComposerVts.h b/graphics/composer/2.2/utils/vts/include/composer-vts/2.2/ComposerVts.h
index 2633021..8fa9b7b 100644
--- a/graphics/composer/2.2/utils/vts/include/composer-vts/2.2/ComposerVts.h
+++ b/graphics/composer/2.2/utils/vts/include/composer-vts/2.2/ComposerVts.h
@@ -27,6 +27,7 @@
 #include <android/hardware/graphics/composer/2.2/IComposerClient.h>
 #include <composer-command-buffer/2.2/ComposerCommandBuffer.h>
 #include <composer-vts/2.1/ComposerVts.h>
+#include <mapper-vts/2.1/MapperVts.h>
 #include <utils/StrongPointer.h>
 
 namespace android {
@@ -41,6 +42,11 @@
 using common::V1_1::Dataspace;
 using common::V1_1::PixelFormat;
 using common::V1_1::RenderIntent;
+using IMapper2_1 = android::hardware::graphics::mapper::V2_1::IMapper;
+using IMapper3 = android::hardware::graphics::mapper::V3_0::IMapper;
+using Gralloc2 = android::hardware::graphics::mapper::V2_0::vts::Gralloc;
+using Gralloc2_1 = android::hardware::graphics::mapper::V2_1::vts::Gralloc;
+using Gralloc3 = android::hardware::graphics::mapper::V3_0::vts::Gralloc;
 
 class ComposerClient;
 
@@ -84,6 +90,26 @@
     const sp<IComposerClient> mClient;
 };
 
+class Gralloc : public V2_1::vts::Gralloc {
+  public:
+    Gralloc();
+    const native_handle_t* allocate(uint32_t width, uint32_t height, uint32_t layerCount,
+                                    PixelFormat format, uint64_t usage, bool import = true,
+                                    uint32_t* outStride = nullptr) {
+        return V2_1::vts::Gralloc::allocate(
+                width, height, layerCount,
+                static_cast<android::hardware::graphics::common::V1_0::PixelFormat>(format), usage,
+                import, outStride);
+    }
+
+    bool validateBufferSize(const native_handle_t* bufferHandle, uint32_t width, uint32_t height,
+                            uint32_t layerCount, PixelFormat format, uint64_t usage,
+                            uint32_t stride);
+
+  protected:
+    std::shared_ptr<Gralloc2_1> mGralloc2_1 = nullptr;
+};
+
 }  // namespace vts
 }  // namespace V2_2
 }  // namespace composer