diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index d25ad1a..ec7f927 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -45,6 +45,8 @@
 
         // Don't warn about struct padding
         "-Wno-padded",
+
+        "-Wno-switch-enum",
     ],
 
     sanitize: {
@@ -63,6 +65,7 @@
         "GraphicBufferMapper.cpp",
         "HdrCapabilities.cpp",
         "PixelFormat.cpp",
+        "PublicFormat.cpp",
         "Rect.cpp",
         "Region.cpp",
         "UiConfig.cpp",
diff --git a/libs/ui/PublicFormat.cpp b/libs/ui/PublicFormat.cpp
new file mode 100644
index 0000000..26eb771
--- /dev/null
+++ b/libs/ui/PublicFormat.cpp
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 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 <ui/PublicFormat.h>
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+int mapPublicFormatToHalFormat(PublicFormat f) {
+    switch (f) {
+        case PublicFormat::JPEG:
+        case PublicFormat::DEPTH_POINT_CLOUD:
+            return HAL_PIXEL_FORMAT_BLOB;
+        case PublicFormat::DEPTH16:
+            return HAL_PIXEL_FORMAT_Y16;
+        case PublicFormat::RAW_SENSOR:
+        case PublicFormat::RAW_DEPTH:
+            return HAL_PIXEL_FORMAT_RAW16;
+        default:
+            // Most formats map 1:1
+            return static_cast<int>(f);
+    }
+}
+
+android_dataspace mapPublicFormatToHalDataspace(PublicFormat f) {
+    switch (f) {
+        case PublicFormat::JPEG:
+            return HAL_DATASPACE_V0_JFIF;
+        case PublicFormat::DEPTH_POINT_CLOUD:
+        case PublicFormat::DEPTH16:
+        case PublicFormat::RAW_DEPTH:
+            return HAL_DATASPACE_DEPTH;
+        case PublicFormat::RAW_SENSOR:
+        case PublicFormat::RAW_PRIVATE:
+        case PublicFormat::RAW10:
+        case PublicFormat::RAW12:
+            return HAL_DATASPACE_ARBITRARY;
+        case PublicFormat::YUV_420_888:
+        case PublicFormat::NV21:
+        case PublicFormat::YV12:
+            return HAL_DATASPACE_V0_JFIF;
+        default:
+            // Most formats map to UNKNOWN
+            return HAL_DATASPACE_UNKNOWN;
+    }
+}
+
+PublicFormat mapHalFormatDataspaceToPublicFormat(int format, android_dataspace dataSpace) {
+    switch (format) {
+        case HAL_PIXEL_FORMAT_RGBA_8888:
+        case HAL_PIXEL_FORMAT_RGBX_8888:
+        case HAL_PIXEL_FORMAT_RGBA_FP16:
+        case HAL_PIXEL_FORMAT_RGBA_1010102:
+        case HAL_PIXEL_FORMAT_RGB_888:
+        case HAL_PIXEL_FORMAT_RGB_565:
+        case HAL_PIXEL_FORMAT_Y8:
+        case HAL_PIXEL_FORMAT_RAW10:
+        case HAL_PIXEL_FORMAT_RAW12:
+        case HAL_PIXEL_FORMAT_YCbCr_420_888:
+        case HAL_PIXEL_FORMAT_YV12:
+            // Enums overlap in both name and value
+            return static_cast<PublicFormat>(format);
+        case HAL_PIXEL_FORMAT_RAW16:
+            switch (dataSpace) {
+                case HAL_DATASPACE_DEPTH:
+                    return PublicFormat::RAW_DEPTH;
+                default:
+                    return PublicFormat::RAW_SENSOR;
+            }
+        case HAL_PIXEL_FORMAT_RAW_OPAQUE:
+            // Name differs, though value is the same
+            return PublicFormat::RAW_PRIVATE;
+        case HAL_PIXEL_FORMAT_YCbCr_422_SP:
+            // Name differs, though the value is the same
+            return PublicFormat::NV16;
+        case HAL_PIXEL_FORMAT_YCrCb_420_SP:
+            // Name differs, though the value is the same
+            return PublicFormat::NV21;
+        case HAL_PIXEL_FORMAT_YCbCr_422_I:
+            // Name differs, though the value is the same
+            return PublicFormat::YUY2;
+        case HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED:
+            // Name differs, though the value is the same
+            return PublicFormat::PRIVATE;
+        case HAL_PIXEL_FORMAT_Y16:
+            // Dataspace-dependent
+            switch (dataSpace) {
+                case HAL_DATASPACE_DEPTH:
+                    return PublicFormat::DEPTH16;
+                default:
+                    // Assume non-depth Y16 is just Y16.
+                    return PublicFormat::Y16;
+            }
+        case HAL_PIXEL_FORMAT_BLOB:
+            // Dataspace-dependent
+            switch (dataSpace) {
+                case HAL_DATASPACE_DEPTH:
+                    return PublicFormat::DEPTH_POINT_CLOUD;
+                case HAL_DATASPACE_V0_JFIF:
+                    return PublicFormat::JPEG;
+                default:
+                    // Assume otherwise-marked blobs are also JPEG
+                    return PublicFormat::JPEG;
+            }
+        case HAL_PIXEL_FORMAT_BGRA_8888:
+            // Not defined in public API
+            return PublicFormat::UNKNOWN;
+
+        default:
+            return PublicFormat::UNKNOWN;
+    }
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android
+// ----------------------------------------------------------------------------
diff --git a/libs/ui/include/ui/PublicFormat.h b/libs/ui/include/ui/PublicFormat.h
new file mode 100644
index 0000000..75b6705
--- /dev/null
+++ b/libs/ui/include/ui/PublicFormat.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 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.
+ */
+
+#ifndef UI_PUBLICFORMAT_H
+#define UI_PUBLICFORMAT_H
+
+#include <system/graphics.h>
+
+namespace android {
+
+/**
+ * Enum mirroring the public API definitions for image and pixel formats.
+ * Some of these are hidden in the public API
+ *
+ * Keep up to date with android.graphics.ImageFormat and
+ * android.graphics.PixelFormat
+ *
+ * TODO: PublicFormat is going to be deprecated(b/126594675)
+ */
+enum class PublicFormat {
+    UNKNOWN = 0x0,
+    RGBA_8888 = 0x1,
+    RGBX_8888 = 0x2,
+    RGB_888 = 0x3,
+    RGB_565 = 0x4,
+    NV16 = 0x10,
+    NV21 = 0x11,
+    YUY2 = 0x14,
+    RGBA_FP16 = 0x16,
+    RAW_SENSOR = 0x20,
+    PRIVATE = 0x22,
+    YUV_420_888 = 0x23,
+    RAW_PRIVATE = 0x24,
+    RAW10 = 0x25,
+    RAW12 = 0x26,
+    RGBA_1010102 = 0x2b,
+    JPEG = 0x100,
+    DEPTH_POINT_CLOUD = 0x101,
+    RAW_DEPTH = 0x1002, // @hide
+    YV12 = 0x32315659,
+    Y8 = 0x20203859,  // @hide
+    Y16 = 0x20363159, // @hide
+    DEPTH16 = 0x44363159
+};
+
+/* Convert from android.graphics.ImageFormat/PixelFormat enums to graphics.h HAL
+ * format */
+extern int mapPublicFormatToHalFormat(PublicFormat f);
+
+/* Convert from android.graphics.ImageFormat/PixelFormat enums to graphics.h HAL
+ * dataspace */
+extern android_dataspace mapPublicFormatToHalDataspace(PublicFormat f);
+
+/* Convert from HAL format, dataspace pair to
+ * android.graphics.ImageFormat/PixelFormat.
+ * For unknown/unspecified pairs, returns PublicFormat::UNKNOWN */
+extern PublicFormat mapHalFormatDataspaceToPublicFormat(int format, android_dataspace dataSpace);
+
+}; // namespace android
+
+#endif // UI_PUBLICFORMAT_H