diff --git a/graphics/mapper/3.0/IMapper.hal b/graphics/mapper/3.0/IMapper.hal
index b8248e4..a0e4d7a 100644
--- a/graphics/mapper/3.0/IMapper.hal
+++ b/graphics/mapper/3.0/IMapper.hal
@@ -285,5 +285,20 @@
      */
     unlock(pointer buffer) generates (Error error, handle releaseFence);
 
+    /**
+     * Test whether the given BufferDescriptorInfo is allocatable.
+     *
+     * If this function returns true, it means that a buffer with the given
+     * description can be allocated on this implementation, unless resource
+     * exhaustion occurs. If this function returns false, it means that the
+     * allocation of the given description will never succeed.
+     *
+     * @param description the description of the buffer
+     * @return supported whether the description is supported
+     */
+    isSupported(BufferDescriptorInfo description)
+            generates (Error error,
+                       bool supported);
+
 };
 
diff --git a/graphics/mapper/3.0/utils/vts/MapperVts.cpp b/graphics/mapper/3.0/utils/vts/MapperVts.cpp
index 4b24a1f..f2b7594 100644
--- a/graphics/mapper/3.0/utils/vts/MapperVts.cpp
+++ b/graphics/mapper/3.0/utils/vts/MapperVts.cpp
@@ -176,6 +176,9 @@
         acquireFenceHandle = h;
     }
 
+    *outBytesPerPixel = -1;
+    *outBytesPerStride = -1;
+
     void* data = nullptr;
     mMapper->lock(buffer, cpuUsage, accessRegion, acquireFenceHandle,
                   [&](const auto& tmpError, const auto& tmpData, int32_t tmpBytesPerPixel,
@@ -268,6 +271,15 @@
         });
 }
 
+bool Gralloc::isSupported(const IMapper::BufferDescriptorInfo& descriptorInfo) {
+    bool supported = false;
+    mMapper->isSupported(descriptorInfo, [&](const auto& tmpError, const auto& tmpSupported) {
+        ASSERT_EQ(Error::NONE, tmpError) << "failed to check is supported";
+        supported = tmpSupported;
+    });
+    return supported;
+}
+
 }  // namespace vts
 }  // namespace V3_0
 }  // namespace mapper
diff --git a/graphics/mapper/3.0/utils/vts/include/mapper-vts/3.0/MapperVts.h b/graphics/mapper/3.0/utils/vts/include/mapper-vts/3.0/MapperVts.h
index efae82f..ba79ca4 100644
--- a/graphics/mapper/3.0/utils/vts/include/mapper-vts/3.0/MapperVts.h
+++ b/graphics/mapper/3.0/utils/vts/include/mapper-vts/3.0/MapperVts.h
@@ -79,6 +79,8 @@
     void getTransportSize(const native_handle_t* bufferHandle, uint32_t* outNumFds,
                           uint32_t* outNumInts);
 
+    bool isSupported(const IMapper::BufferDescriptorInfo& descriptorInfo);
+
    private:
     void init(const std::string& allocatorServiceName, const std::string& mapperServiceName);
     const native_handle_t* cloneBuffer(const hidl_handle& rawHandle);
diff --git a/graphics/mapper/3.0/vts/functional/VtsHalGraphicsMapperV3_0TargetTest.cpp b/graphics/mapper/3.0/vts/functional/VtsHalGraphicsMapperV3_0TargetTest.cpp
index b198f21..cfae635 100644
--- a/graphics/mapper/3.0/vts/functional/VtsHalGraphicsMapperV3_0TargetTest.cpp
+++ b/graphics/mapper/3.0/vts/functional/VtsHalGraphicsMapperV3_0TargetTest.cpp
@@ -440,6 +440,40 @@
 #endif
 }
 
+/**
+ * Test IMapper::isSupported with required format RGBA_8888
+ */
+TEST_F(GraphicsMapperHidlTest, IsSupportedRGBA8888) {
+    const auto& info = mDummyDescriptorInfo;
+    bool supported = false;
+
+    ASSERT_NO_FATAL_FAILURE(supported = mGralloc->isSupported(info));
+    ASSERT_TRUE(supported);
+}
+
+/**
+ * Test IMapper::isSupported with required format YV12
+ */
+TEST_F(GraphicsMapperHidlTest, IsSupportedYV12) {
+    auto info = mDummyDescriptorInfo;
+    info.format = PixelFormat::YV12;
+    bool supported = false;
+
+    ASSERT_NO_FATAL_FAILURE(supported = mGralloc->isSupported(info));
+    ASSERT_TRUE(supported);
+}
+
+/**
+ * Test IMapper::isSupported with optional format Y16
+ */
+TEST_F(GraphicsMapperHidlTest, IsSupportedY16) {
+    auto info = mDummyDescriptorInfo;
+    info.format = PixelFormat::Y16;
+    bool supported = false;
+
+    ASSERT_NO_FATAL_FAILURE(supported = mGralloc->isSupported(info));
+}
+
 }  // namespace
 }  // namespace vts
 }  // namespace V3_0