diff --git a/graphics/common/aidl/Android.bp b/graphics/common/aidl/Android.bp
new file mode 100644
index 0000000..497c0f8
--- /dev/null
+++ b/graphics/common/aidl/Android.bp
@@ -0,0 +1,20 @@
+aidl_interface {
+    name: "vintf-graphics-common",
+    vendor_available: true,
+    vndk: {
+        enabled: true,
+        support_system_process: true,
+    },
+    srcs: [
+        "android/hardware/graphics/common/*.aidl",
+    ],
+    stability: "vintf",
+    backend: {
+        java: {
+            enabled: false,
+        },
+        cpp: {
+            enabled: false,
+        },
+    },
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/BlendMode.aidl b/graphics/common/aidl/android/hardware/graphics/common/BlendMode.aidl
new file mode 100644
index 0000000..2428135
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/BlendMode.aidl
@@ -0,0 +1,35 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+/**
+ * Blend modes, settable per layer.
+ */
+@VintfStability
+@Backing(type="int")
+enum BlendMode {
+    INVALID = 0,
+
+    /** colorOut = colorSrc */
+    NONE = 1,
+
+    /** colorOut = colorSrc + colorDst * (1 - alphaSrc) */
+    PREMULTIPLIED = 2,
+
+    /** colorOut = colorSrc * alphaSrc + colorDst * (1 - alphaSrc) */
+    COVERAGE = 3,
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/ChromaSiting.aidl b/graphics/common/aidl/android/hardware/graphics/common/ChromaSiting.aidl
new file mode 100644
index 0000000..562a664
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/ChromaSiting.aidl
@@ -0,0 +1,39 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+/**
+ * Used by IAllocator/IMapper (gralloc) to describe standard chroma siting
+ */
+@VintfStability
+@Backing(type="long")
+enum ChromaSiting {
+    /* This format does not have chroma siting. */
+    NONE = 0,
+
+    /* This format has chroma siting but the type being used is unknown. */
+    UNKNOWN = 1,
+
+    /* Cb and Cr are sited interstitially, halfway between alternate luma samples.
+     * This is used by 4:2:0 for JPEG/JFIF, H.261, MPEG-1. */
+    SITED_INTERSTITIAL = 2,
+
+    /* Cb and Cr are horizontally sited coincident with a luma sample.
+     * Cb and Cr are vertically sited interstitially.
+     * This is used by 4:2:0 for MPEG-2 frame pictures. */
+    COSITED_HORIZONTAL = 3,
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/Compression.aidl b/graphics/common/aidl/android/hardware/graphics/common/Compression.aidl
new file mode 100644
index 0000000..4cca1ba
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/Compression.aidl
@@ -0,0 +1,30 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+/**
+ * Used by IAllocator/IMapper (gralloc) to describe standard compression strategies
+ */
+@VintfStability
+@Backing(type="long")
+enum Compression {
+    /* Represents all uncompressed buffers */
+    NONE = 0,
+
+    /* VESA Display Stream Compression (DSC) */
+    DISPLAY_STREAM_COMPRESSION = 1,
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/Dataspace.aidl b/graphics/common/aidl/android/hardware/graphics/common/Dataspace.aidl
new file mode 100644
index 0000000..81a21ab
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/Dataspace.aidl
@@ -0,0 +1,682 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+@VintfStability
+@Backing(type="int")
+enum Dataspace {
+    /**
+     * Default-assumption data space, when not explicitly specified.
+     *
+     * It is safest to assume the buffer is an image with sRGB primaries and
+     * encoding ranges, but the consumer and/or the producer of the data may
+     * simply be using defaults. No automatic gamma transform should be
+     * expected, except for a possible display gamma transform when drawn to a
+     * screen.
+     */
+    UNKNOWN = 0x0,
+
+    /**
+     * Arbitrary dataspace with manually defined characteristics.  Definition
+     * for colorspaces or other meaning must be communicated separately.
+     *
+     * This is used when specifying primaries, transfer characteristics,
+     * etc. separately.
+     *
+     * A typical use case is in video encoding parameters (e.g. for H.264),
+     * where a colorspace can have separately defined primaries, transfer
+     * characteristics, etc.
+     */
+    ARBITRARY = 0x1,
+
+    /**
+     * Color-description aspects
+     *
+     * The following aspects define various characteristics of the color
+     * specification. These represent bitfields, so that a data space value
+     * can specify each of them independently.
+     */
+
+    STANDARD_SHIFT = 16,
+
+    /**
+     * Standard aspect
+     *
+     * Defines the chromaticity coordinates of the source primaries in terms of
+     * the CIE 1931 definition of x and y specified in ISO 11664-1.
+     */
+    STANDARD_MASK = 63 << 16, // 63 << STANDARD_SHIFT = 0x3F
+
+    /**
+     * Chromacity coordinates are unknown or are determined by the application.
+     * Implementations shall use the following suggested standards:
+     *
+     * All YCbCr formats: BT709 if size is 720p or larger (since most video
+     *                    content is letterboxed this corresponds to width is
+     *                    1280 or greater, or height is 720 or greater).
+     *                    BT601_625 if size is smaller than 720p or is JPEG.
+     * All RGB formats:   BT709.
+     *
+     * For all other formats standard is undefined, and implementations should use
+     * an appropriate standard for the data represented.
+     */
+    STANDARD_UNSPECIFIED = 0 << 16, // STANDARD_SHIFT
+
+    /**
+     * Primaries:       x       y
+     *  green           0.300   0.600
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     *
+     * Use the unadjusted KR = 0.2126, KB = 0.0722 luminance interpretation
+     * for RGB conversion.
+     */
+    STANDARD_BT709 = 1 << 16,  // 1 << STANDARD_SHIFT
+
+    /**
+     * Primaries:       x       y
+     *  green           0.290   0.600
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     *
+     *  KR = 0.299, KB = 0.114. This adjusts the luminance interpretation
+     *  for RGB conversion from the one purely determined by the primaries
+     *  to minimize the color shift into RGB space that uses BT.709
+     *  primaries.
+     */
+    STANDARD_BT601_625 = 2 << 16, // 2 << STANDARD_SHIFT,
+
+    /**
+     * Primaries:       x       y
+     *  green           0.290   0.600
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     *
+     * Use the unadjusted KR = 0.222, KB = 0.071 luminance interpretation
+     * for RGB conversion.
+     */
+    STANDARD_BT601_625_UNADJUSTED = 3 << 16, // 3 << STANDARD_SHIFT
+
+    /**
+     * Primaries:       x       y
+     *  green           0.310   0.595
+     *  blue            0.155   0.070
+     *  red             0.630   0.340
+     *  white (D65)     0.3127  0.3290
+     *
+     *  KR = 0.299, KB = 0.114. This adjusts the luminance interpretation
+     *  for RGB conversion from the one purely determined by the primaries
+     *  to minimize the color shift into RGB space that uses BT.709
+     *  primaries.
+     */
+    STANDARD_BT601_525 = 4 << 16, // 4 << STANDARD_SHIFT
+
+    /**
+     * Primaries:       x       y
+     *  green           0.310   0.595
+     *  blue            0.155   0.070
+     *  red             0.630   0.340
+     *  white (D65)     0.3127  0.3290
+     *
+     * Use the unadjusted KR = 0.212, KB = 0.087 luminance interpretation
+     * for RGB conversion (as in SMPTE 240M).
+     */
+    STANDARD_BT601_525_UNADJUSTED = 5 << 16, // 5 << STANDARD_SHIFT
+
+    /**
+     * Primaries:       x       y
+     *  green           0.170   0.797
+     *  blue            0.131   0.046
+     *  red             0.708   0.292
+     *  white (D65)     0.3127  0.3290
+     *
+     * Use the unadjusted KR = 0.2627, KB = 0.0593 luminance interpretation
+     * for RGB conversion.
+     */
+    STANDARD_BT2020 = 6 << 16, // 6 << STANDARD_SHIFT
+
+    /**
+     * Primaries:       x       y
+     *  green           0.170   0.797
+     *  blue            0.131   0.046
+     *  red             0.708   0.292
+     *  white (D65)     0.3127  0.3290
+     *
+     * Use the unadjusted KR = 0.2627, KB = 0.0593 luminance interpretation
+     * for RGB conversion using the linear domain.
+     */
+    STANDARD_BT2020_CONSTANT_LUMINANCE = 7 << 16, // 7 << STANDARD_SHIFT
+
+    /**
+     * Primaries:       x      y
+     *  green           0.21   0.71
+     *  blue            0.14   0.08
+     *  red             0.67   0.33
+     *  white (C)       0.310  0.316
+     *
+     * Use the unadjusted KR = 0.30, KB = 0.11 luminance interpretation
+     * for RGB conversion.
+     */
+    STANDARD_BT470M = 8 << 16, // 8 << STANDARD_SHIFT
+
+    /**
+     * Primaries:       x       y
+     *  green           0.243   0.692
+     *  blue            0.145   0.049
+     *  red             0.681   0.319
+     *  white (C)       0.310   0.316
+     *
+     * Use the unadjusted KR = 0.254, KB = 0.068 luminance interpretation
+     * for RGB conversion.
+     */
+    STANDARD_FILM = 9 << 16, // 9 << STANDARD_SHIFT
+
+    /**
+     * SMPTE EG 432-1 and SMPTE RP 431-2. (DCI-P3)
+     * Primaries:       x       y
+     *  green           0.265   0.690
+     *  blue            0.150   0.060
+     *  red             0.680   0.320
+     *  white (D65)     0.3127  0.3290
+     */
+    STANDARD_DCI_P3 = 10 << 16, // 10 << STANDARD_SHIFT
+
+    /**
+     * Adobe RGB
+     * Primaries:       x       y
+     *  green           0.210   0.710
+     *  blue            0.150   0.060
+     *  red             0.640   0.330
+     *  white (D65)     0.3127  0.3290
+     */
+    STANDARD_ADOBE_RGB = 11 << 16, // 11 << STANDARD_SHIFT
+
+
+
+    TRANSFER_SHIFT = 22,
+
+    /**
+     * Transfer aspect
+     *
+     * Transfer characteristics are the opto-electronic transfer characteristic
+     * at the source as a function of linear optical intensity (luminance).
+     *
+     * For digital signals, E corresponds to the recorded value. Normally, the
+     * transfer function is applied in RGB space to each of the R, G and B
+     * components independently. This may result in color shift that can be
+     * minized by applying the transfer function in Lab space only for the L
+     * component. Implementation may apply the transfer function in RGB space
+     * for all pixel formats if desired.
+     */
+
+    TRANSFER_MASK = 31 << 22, // 31 << TRANSFER_SHIFT = 0x1F
+
+    /**
+     * Transfer characteristics are unknown or are determined by the
+     * application.
+     *
+     * Implementations should use the following transfer functions:
+     *
+     * For YCbCr formats: use TRANSFER_SMPTE_170M
+     * For RGB formats: use TRANSFER_SRGB
+     *
+     * For all other formats transfer function is undefined, and implementations
+     * should use an appropriate standard for the data represented.
+     */
+    TRANSFER_UNSPECIFIED = 0 << 22, // 0 << TRANSFER_SHIFT
+
+    /**
+     * Transfer characteristic curve:
+     *  E = L
+     *      L - luminance of image 0 <= L <= 1 for conventional colorimetry
+     *      E - corresponding electrical signal
+     */
+    TRANSFER_LINEAR = 1 << 22, // 1 << TRANSFER_SHIFT
+
+    /**
+     * Transfer characteristic curve:
+     *
+     * E = 1.055 * L^(1/2.4) - 0.055  for 0.0031308 <= L <= 1
+     *   = 12.92 * L                  for 0 <= L < 0.0031308
+     *     L - luminance of image 0 <= L <= 1 for conventional colorimetry
+     *     E - corresponding electrical signal
+     */
+    TRANSFER_SRGB = 2 << 22, // 2 << TRANSFER_SHIFT
+
+    /**
+     * BT.601 525, BT.601 625, BT.709, BT.2020
+     *
+     * Transfer characteristic curve:
+     *  E = 1.099 * L ^ 0.45 - 0.099  for 0.018 <= L <= 1
+     *    = 4.500 * L                 for 0 <= L < 0.018
+     *      L - luminance of image 0 <= L <= 1 for conventional colorimetry
+     *      E - corresponding electrical signal
+     */
+    TRANSFER_SMPTE_170M = 3 << 22, // 3 << TRANSFER_SHIFT
+
+    /**
+     * Assumed display gamma 2.2.
+     *
+     * Transfer characteristic curve:
+     *  E = L ^ (1/2.2)
+     *      L - luminance of image 0 <= L <= 1 for conventional colorimetry
+     *      E - corresponding electrical signal
+     */
+    TRANSFER_GAMMA2_2 = 4 << 22, // 4 << TRANSFER_SHIFT
+
+    /**
+     *  display gamma 2.6.
+     *
+     * Transfer characteristic curve:
+     *  E = L ^ (1/2.6)
+     *      L - luminance of image 0 <= L <= 1 for conventional colorimetry
+     *      E - corresponding electrical signal
+     */
+    TRANSFER_GAMMA2_6 = 5 << 22, // 5 << TRANSFER_SHIFT
+
+    /**
+     *  display gamma 2.8.
+     *
+     * Transfer characteristic curve:
+     *  E = L ^ (1/2.8)
+     *      L - luminance of image 0 <= L <= 1 for conventional colorimetry
+     *      E - corresponding electrical signal
+     */
+    TRANSFER_GAMMA2_8 = 6 << 22, // 6 << TRANSFER_SHIFT
+
+    /**
+     * SMPTE ST 2084 (Dolby Perceptual Quantizer)
+     *
+     * Transfer characteristic curve:
+     *  E = ((c1 + c2 * L^n) / (1 + c3 * L^n)) ^ m
+     *  c1 = c3 - c2 + 1 = 3424 / 4096 = 0.8359375
+     *  c2 = 32 * 2413 / 4096 = 18.8515625
+     *  c3 = 32 * 2392 / 4096 = 18.6875
+     *  m = 128 * 2523 / 4096 = 78.84375
+     *  n = 0.25 * 2610 / 4096 = 0.1593017578125
+     *      L - luminance of image 0 <= L <= 1 for HDR colorimetry.
+     *          L = 1 corresponds to 10000 cd/m2
+     *      E - corresponding electrical signal
+     */
+    TRANSFER_ST2084 = 7 << 22, // 7 << TRANSFER_SHIFT
+
+    /**
+     * ARIB STD-B67 Hybrid Log Gamma
+     *
+     * Transfer characteristic curve:
+     *  E = r * L^0.5                 for 0 <= L <= 1
+     *    = a * ln(L - b) + c         for 1 < L
+     *  a = 0.17883277
+     *  b = 0.28466892
+     *  c = 0.55991073
+     *  r = 0.5
+     *      L - luminance of image 0 <= L for HDR colorimetry. L = 1 corresponds
+     *          to reference white level of 100 cd/m2
+     *      E - corresponding electrical signal
+     */
+    TRANSFER_HLG = 8 << 22, // 8 << TRANSFER_SHIFT
+
+    RANGE_SHIFT = 27,
+
+    /**
+     * Range aspect
+     *
+     * Defines the range of values corresponding to the unit range of 0-1.
+     * This is defined for YCbCr only, but can be expanded to RGB space.
+     */
+    RANGE_MASK = 7 << 27, // 7 << RANGE_SHIFT = 0x7
+
+    /**
+     * Range is unknown or are determined by the application.  Implementations
+     * shall use the following suggested ranges:
+     *
+     * All YCbCr formats: limited range.
+     * All RGB or RGBA formats (including RAW and Bayer): full range.
+     * All Y formats: full range
+     *
+     * For all other formats range is undefined, and implementations should use
+     * an appropriate range for the data represented.
+     */
+    RANGE_UNSPECIFIED = 0 << 27, // 0 << RANGE_SHIFT = 0x0
+
+    /**
+     * Full range uses all values for Y, Cb and Cr from
+     * 0 to 2^b-1, where b is the bit depth of the color format.
+     */
+    RANGE_FULL = 1 << 27, // 1 << RANGE_SHIFT = 0x8000000
+
+    /**
+     * Limited range uses values 16/256*2^b to 235/256*2^b for Y, and
+     * 1/16*2^b to 15/16*2^b for Cb, Cr, R, G and B, where b is the bit depth of
+     * the color format.
+     *
+     * E.g. For 8-bit-depth formats:
+     * Luma (Y) samples should range from 16 to 235, inclusive
+     * Chroma (Cb, Cr) samples should range from 16 to 240, inclusive
+     *
+     * For 10-bit-depth formats:
+     * Luma (Y) samples should range from 64 to 940, inclusive
+     * Chroma (Cb, Cr) samples should range from 64 to 960, inclusive
+     */
+    RANGE_LIMITED = 2 << 27, // 2 << RANGE_SHIFT = 0x10000000
+
+    /**
+     * Extended range is used for scRGB. Intended for use with
+     * floating point pixel formats. [0.0 - 1.0] is the standard
+     * sRGB space. Values outside the range 0.0 - 1.0 can encode
+     * color outside the sRGB gamut.
+     * Used to blend / merge multiple dataspaces on a single display.
+     */
+    RANGE_EXTENDED = 3 << 27, // 3 << RANGE_SHIFT = 0x18000000
+
+    /**
+     * sRGB linear encoding:
+     *
+     * The red, green, and blue components are stored in sRGB space, but
+     * are linear, not gamma-encoded.
+     * The RGB primaries and the white point are the same as BT.709.
+     *
+     * The values are encoded using the full range ([0,255] for 8-bit) for all
+     * components.
+     */
+    SRGB_LINEAR = 1 << 16 | 1 << 22 | 1 << 27, // deprecated, use V0_SRGB_LINEAR
+
+    V0_SRGB_LINEAR = 1 << 16 | 1 << 22 | 1 << 27, // STANDARD_BT709 | TRANSFER_LINEAR | RANGE_FULL
+
+
+    /**
+     * scRGB linear encoding:
+     *
+     * The red, green, and blue components are stored in extended sRGB space,
+     * but are linear, not gamma-encoded.
+     * The RGB primaries and the white point are the same as BT.709.
+     *
+     * The values are floating point.
+     * A pixel value of 1.0, 1.0, 1.0 corresponds to sRGB white (D65) at 80 nits.
+     * Values beyond the range [0.0 - 1.0] would correspond to other colors
+     * spaces and/or HDR content.
+     */
+    V0_SCRGB_LINEAR = 1 << 16 | 1 << 22 | 3 << 27, // STANDARD_BT709 | TRANSFER_LINEAR | RANGE_EXTENDED
+
+
+    /**
+     * sRGB gamma encoding:
+     *
+     * The red, green and blue components are stored in sRGB space, and
+     * converted to linear space when read, using the SRGB transfer function
+     * for each of the R, G and B components. When written, the inverse
+     * transformation is performed.
+     *
+     * The alpha component, if present, is always stored in linear space and
+     * is left unmodified when read or written.
+     *
+     * Use full range and BT.709 standard.
+     */
+    SRGB = 1 << 16 | 2 << 22 | 1 << 27, // deprecated, use V0_SRGB
+
+    V0_SRGB = 1 << 16 | 2 << 22 | 1 << 27, // STANDARD_BT709 | TRANSFER_SRGB | RANGE_FULL
+
+
+    /**
+     * scRGB:
+     *
+     * The red, green, and blue components are stored in extended sRGB space,
+     * but are linear, not gamma-encoded.
+     * The RGB primaries and the white point are the same as BT.709.
+     *
+     * The values are floating point.
+     * A pixel value of 1.0, 1.0, 1.0 corresponds to sRGB white (D65) at 80 nits.
+     * Values beyond the range [0.0 - 1.0] would correspond to other colors
+     * spaces and/or HDR content.
+     */
+    V0_SCRGB = 1 << 16 | 2 << 22 | 3 << 27, // STANDARD_BT709 | TRANSFER_SRGB | RANGE_EXTENDED
+
+    /**
+     * YCbCr Colorspaces
+     * -----------------
+     *
+     * Primaries are given using (x,y) coordinates in the CIE 1931 definition
+     * of x and y specified by ISO 11664-1.
+     *
+     * Transfer characteristics are the opto-electronic transfer characteristic
+     * at the source as a function of linear optical intensity (luminance).
+     */
+
+    /**
+     * JPEG File Interchange Format (JFIF)
+     *
+     * Same model as BT.601-625, but all values (Y, Cb, Cr) range from 0 to 255
+     *
+     * Use full range, BT.601 transfer and BT.601_625 standard.
+     */
+    JFIF = 2 << 16 | 3 << 22 | 1 << 27, // deprecated, use V0_JFIF
+
+    V0_JFIF = 2 << 16 | 3 << 22 | 1 << 27, // STANDARD_BT601_625 | TRANSFER_SMPTE_170M | RANGE_FULL
+
+    /**
+     * ITU-R Recommendation 601 (BT.601) - 625-line
+     *
+     * Standard-definition television, 625 Lines (PAL)
+     *
+     * Use limited range, BT.601 transfer and BT.601_625 standard.
+     */
+    BT601_625 = 2 << 16 | 3 << 22 | 2 << 27, // deprecated, use V0_BT601_625
+
+    V0_BT601_625 = 2 << 16 | 3 << 22 | 2 << 27, // STANDARD_BT601_625 | TRANSFER_SMPTE_170M | RANGE_LIMITED
+
+
+    /**
+     * ITU-R Recommendation 601 (BT.601) - 525-line
+     *
+     * Standard-definition television, 525 Lines (NTSC)
+     *
+     * Use limited range, BT.601 transfer and BT.601_525 standard.
+     */
+    BT601_525 = 4 << 16 | 3 << 22 | 2 << 27, // deprecated, use V0_BT601_525
+
+    V0_BT601_525 = 4 << 16 | 3 << 22 | 2 << 27, // STANDARD_BT601_525 | TRANSFER_SMPTE_170M | RANGE_LIMITED
+
+    /**
+     * ITU-R Recommendation 709 (BT.709)
+     *
+     * High-definition television
+     *
+     * Use limited range, BT.709 transfer and BT.709 standard.
+     */
+    BT709 = 1 << 16 | 3 << 22 | 2 << 27, // deprecated, use V0_BT709
+
+    V0_BT709 = 1 << 16 | 3 << 22 | 2 << 27, // STANDARD_BT709 | TRANSFER_SMPTE_170M | RANGE_LIMITED
+
+
+    /**
+     * SMPTE EG 432-1 and SMPTE RP 431-2.
+     *
+     * Digital Cinema DCI-P3
+     *
+     * Use full range, linear transfer and D65 DCI-P3 standard
+     */
+    DCI_P3_LINEAR = 10 << 16 | 1 << 22 | 1 << 27, // STANDARD_DCI_P3 | TRANSFER_LINEAR | RANGE_FULL
+
+
+    /**
+     * SMPTE EG 432-1 and SMPTE RP 431-2.
+     *
+     * Digital Cinema DCI-P3
+     *
+     * Use full range, gamma 2.6 transfer and D65 DCI-P3 standard
+     * Note: Application is responsible for gamma encoding the data as
+     * a 2.6 gamma encoding is not supported in HW.
+     */
+    DCI_P3 = 10 << 16 | 5 << 22 | 1 << 27, // STANDARD_DCI_P3 | TRANSFER_GAMMA2_6 | RANGE_FULL
+
+
+    /**
+     * Display P3
+     *
+     * Display P3 uses same primaries and white-point as DCI-P3
+     * linear transfer function makes this the same as DCI_P3_LINEAR.
+     */
+    DISPLAY_P3_LINEAR = 10 << 16 | 1 << 22 | 1 << 27, // STANDARD_DCI_P3 | TRANSFER_LINEAR | RANGE_FULL
+
+
+    /**
+     * Display P3
+     *
+     * Use same primaries and white-point as DCI-P3
+     * but sRGB transfer function.
+     */
+    DISPLAY_P3 = 10 << 16 | 2 << 22 | 1 << 27, // STANDARD_DCI_P3 | TRANSFER_SRGB | RANGE_FULL
+
+
+    /**
+     * Adobe RGB
+     *
+     * Use full range, gamma 2.2 transfer and Adobe RGB primaries
+     * Note: Application is responsible for gamma encoding the data as
+     * a 2.2 gamma encoding is not supported in HW.
+     */
+    ADOBE_RGB = 11 << 16 | 4 << 22 | 1 << 27, // STANDARD_ADOBE_RGB | TRANSFER_GAMMA2_2 | RANGE_FULL
+
+
+    /**
+     * ITU-R Recommendation 2020 (BT.2020)
+     *
+     * Ultra High-definition television
+     *
+     * Use full range, linear transfer and BT2020 standard
+     */
+    BT2020_LINEAR = 6 << 16 | 1 << 22 | 1 << 27, // STANDARD_BT2020 | TRANSFER_LINEAR | RANGE_FULL
+
+
+    /**
+     * ITU-R Recommendation 2020 (BT.2020)
+     *
+     * Ultra High-definition television
+     *
+     * Use full range, BT.709 transfer and BT2020 standard
+     */
+    BT2020 = 6 << 16 | 3 << 22 | 1 << 27, // STANDARD_BT2020 | TRANSFER_SMPTE_170M | RANGE_FULL
+
+    /**
+     * ITU-R Recommendation 2020 (BT.2020)
+     *
+     * Ultra High-definition television
+     *
+     * Use full range, SMPTE 2084 (PQ) transfer and BT2020 standard
+     */
+    BT2020_PQ = 6 << 16 | 7 << 22 | 1 << 27, // STANDARD_BT2020 | TRANSFER_ST2084 | RANGE_FULL
+
+
+    /**
+     * Data spaces for non-color formats
+     */
+
+    /**
+     * The buffer contains depth ranging measurements from a depth camera.
+     * This value is valid with formats:
+     *    HAL_PIXEL_FORMAT_Y16: 16-bit samples, consisting of a depth measurement
+     *       and an associated confidence value. The 3 MSBs of the sample make
+     *       up the confidence value, and the low 13 LSBs of the sample make up
+     *       the depth measurement.
+     *       For the confidence section, 0 means 100% confidence, 1 means 0%
+     *       confidence. The mapping to a linear float confidence value between
+     *       0.f and 1.f can be obtained with
+     *         float confidence = (((depthSample >> 13) - 1) & 0x7) / 7.0f;
+     *       The depth measurement can be extracted simply with
+     *         uint16_t range = (depthSample & 0x1FFF);
+     *    HAL_PIXEL_FORMAT_BLOB: A depth point cloud, as
+     *       a variable-length float (x,y,z, confidence) coordinate point list.
+     *       The point cloud will be represented with the android_depth_points
+     *       structure.
+     */
+    DEPTH = 0x1000,
+
+    /**
+     * The buffer contains sensor events from sensor direct report.
+     * This value is valid with formats:
+     *    HAL_PIXEL_FORMAT_BLOB: an array of sensor event structure that forms
+     *       a lock free queue. Format of sensor event structure is specified
+     *       in Sensors HAL.
+     */
+    SENSOR = 0x1001,
+
+    /**
+     * ITU-R Recommendation 2020 (BT.2020)
+     *
+     * Ultra High-definition television
+     *
+     * Use limited range, BT.709 transfer and BT2020 standard
+     */
+    BT2020_ITU = 6 << 16 | 3 << 22 | 2 << 27, // STANDARD_BT2020 | TRANSFER_SMPTE_170M | RANGE_LIMITED
+
+    /**
+     * ITU-R Recommendation 2100 (BT.2100)
+     *
+     * High dynamic range television
+     *
+     * Use limited/full range, PQ/HLG transfer, and BT2020 standard
+     * limited range is the preferred / normative definition for BT.2100
+     */
+    BT2020_ITU_PQ = 6 << 16 | 7 << 22 | 2 << 27, // STANDARD_BT2020 | TRANSFER_ST2084 | RANGE_LIMITED
+    BT2020_ITU_HLG = 6 << 16 | 8 << 22 | 2 << 27, // STANDARD_BT2020 | TRANSFER_HLG | RANGE_LIMITED
+    BT2020_HLG = 6 << 16 | 8 << 22 | 1 << 27, // STANDARD_BT2020 | TRANSFER_HLG | RANGE_FULL
+
+    /**
+     * ITU-R Recommendation 2020 (BT.2020)
+     *
+     * Ultra High-definition television
+     *
+     * Use full range, sRGB transfer and BT2020 standard
+     */
+    DISPLAY_BT2020 = 6 << 16 | 2 << 22 | 1 << 27, // STANDARD_BT2020 | TRANSFER_SRGB | RANGE_FULL
+
+    /**
+     * ISO 16684-1:2011(E)
+     *
+     * Embedded depth metadata following the dynamic depth specification.
+     */
+    DYNAMIC_DEPTH = 0x1002,
+
+    /**
+     * JPEG APP segments format as specified by JEIDA spec
+     *
+     * The buffer must only contain APP1 (Application Marker) segment followed
+     * by zero or more APPn segments, as is specified by JEITA CP-3451C section 4.5.4.
+     * The APP1 segment optionally contains a thumbnail. The buffer will not
+     * contain main compressed image.
+     *
+     * This value is valid with formats:
+     *    HAL_PIXEL_FORMAT_BLOB: JPEG APP segments optionally containing thumbnail image
+     * in APP1. BLOB buffer with this dataspace is output by HAL, and used by
+     * camera framework to encode into a HEIC image.
+     */
+    JPEG_APP_SEGMENTS = 0x1003,
+
+    /**
+     * ISO/IEC 23008-12
+     *
+     * High Efficiency Image File Format (HEIF)
+     *
+     * This value is valid with formats:
+     *    HAL_PIXEL_FORMAT_BLOB: A HEIC image encoded by HEIC or HEVC encoder
+     * according to ISO/IEC 23008-12.
+     */
+    HEIF = 0x1004,
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/ExtendableType.aidl b/graphics/common/aidl/android/hardware/graphics/common/ExtendableType.aidl
new file mode 100644
index 0000000..04d8710
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/ExtendableType.aidl
@@ -0,0 +1,52 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+/**
+ * This struct is used for types that are commonly extended by vendors. For example, buffer
+ * compression is typically SoC specific. It is not possible for Android to define every possible
+ * proprietary vendor compression strategy. Instead, compression is represented using this
+ * ExtendableType that can support standard compression strategies while still allowing
+ * every vendor to easily add their own non-standard definitions.
+ */
+@VintfStability
+parcelable ExtendableType {
+    /**
+     * Name of the stable aidl interface whose value is stored in this structure.
+     *
+     * For standard types, the "name" field will be set to the stable aidl name of the type such as
+     * "android.hardware.graphics.common.Compression".
+     *
+     * For custom vendor types, the "name" field will be set to the name of the custom
+     * @VendorStability vendor AIDL interface such as
+     * "vendor.mycompanyname.graphics.common.Compression". The name of the vendor extension should
+     * contain the name of the company that owns the extension. Including the company
+     * name in the "name" field prevents type collisions between different vendors.
+     */
+    @utf8InCpp String name;
+
+    /**
+     * Enum value of the from the stable aidl interface
+     *
+     * For standard types, the "value" field will be set to an enum value from that stable aidl
+     * type such as "NONE".
+     *
+     * For vendor types, the "value" field should be set to the enum value from the custom
+     * @VendorStability vendor AIDL interface extended type such as "MY_COMPRESSION_TYPE1".
+     */
+    long value = 0;
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/Interlaced.aidl b/graphics/common/aidl/android/hardware/graphics/common/Interlaced.aidl
new file mode 100644
index 0000000..a3f1baa
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/Interlaced.aidl
@@ -0,0 +1,35 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+/**
+ * Used by IAllocator/IMapper (gralloc) to describe standard interlaced strategies
+ */
+@VintfStability
+@Backing(type="long")
+enum Interlaced {
+    /* The buffer is not interlaced. */
+    NONE = 0,
+
+    /* The buffer's planes are interlaced horizontally. The height of each interlaced plane is
+     * 1/2 the height of the buffer's height. */
+    TOP_BOTTOM = 1,
+
+    /* The buffer's planes are interlaced vertically. The width of each interlaced plane is
+     * 1/2 the width of the buffer's width. */
+    RIGHT_LEFT = 2,
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/PlaneLayout.aidl b/graphics/common/aidl/android/hardware/graphics/common/PlaneLayout.aidl
new file mode 100644
index 0000000..168028d
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/PlaneLayout.aidl
@@ -0,0 +1,125 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+import android.hardware.graphics.common.PlaneLayoutComponent;
+import android.hardware.graphics.common.Rect;
+
+/**
+ * Used by IAllocator/IMapper (gralloc) to describe the plane layout of a buffer.
+ *
+ * PlaneLayout uses the following definitions:
+ *
+ * - Component - a component is one channel of a pixel. For example, an RGBA format has
+ *      four components: R, G, B and A.
+ * - Sample - a sample is comprised of all the components in a given plane. For example,
+ *      a buffer with one Y plane and one CbCr plane has one plane with a sample of Y
+ *      and one plane with a sample of CbCr.
+ * - Pixel - a pixel is comprised of all the (non-metadata/raw) components in buffer across
+ *      all planes. For example, a buffer with a plane of Y and a plane of CbCr has a pixel
+ *      of YCbCr.
+ */
+
+@VintfStability
+parcelable PlaneLayout {
+    /**
+     * An list of plane layout components. This list of components should include
+     * every component in this plane. For example, a CbCr plane should return a
+     * vector of size two with one PlaneLayoutComponent for Cb and one for Cr.
+     */
+    PlaneLayoutComponent[] components;
+
+    /**
+     * Offset to the first byte of the plane (in bytes), from the start of the allocation.
+     */
+    long offsetInBytes;
+
+    /**
+     * Bits per sample increment (aka column increment): describes the distance
+     * in bits from one sample to the next sample (to the right) on the same row for the
+     * the component plane.
+     *
+     * The default value is 0. Return the default value if the increment is undefined, unknown,
+     * or variable.
+     *
+     * This can be negative. A negative increment indicates that the samples are read from
+     * right to left.
+     */
+    long sampleIncrementInBits;
+
+    /**
+     * Horizontal stride: number of bytes between two vertically adjacent
+     * samples in given plane. This can be mathematically described by:
+     *
+     * strideInBytes = ALIGN(widthInSamples * bps / 8, alignment)
+     *
+     * where,
+     *
+     * bps: average bits per sample
+     * alignment (in bytes): dependent upon pixel format and usage
+     *
+     * strideInBytes can contain additional padding beyond the widthInSamples.
+     *
+     * The default value is 0. Return the default value if the stride is undefined, unknown,
+     * or variable.
+     *
+     * This can be negative. A negative stride indicates that the rows are read from
+     * bottom to top.
+     */
+    long strideInBytes;
+
+    /**
+     * Dimensions of plane (in samples).
+     *
+     * This is the number of samples in the plane, even if subsampled.
+     *
+     * See 'strideInBytes' for relationship between strideInBytes and widthInSamples.
+     */
+    long widthInSamples;
+    long heightInSamples;
+
+    /**
+     * Can be used to get the total size in bytes of any memory used by the plane
+     * including extra padding. This should not include any extra metadata used to describe the
+     * plane.
+     */
+    long totalSizeInBytes;
+
+    /**
+     * Horizontal and vertical subsampling. Must be a positive power of 2.
+     *
+     * These fields indicate the number of horizontally or vertically adjacent pixels that use
+     * the same pixel data. A value of 1 indicates no subsampling.
+     */
+    long horizontalSubsampling;
+    long verticalSubsampling;
+
+    /**
+     * Some buffer producers require extra padding to their output buffer; therefore the
+     * physical size of the native buffer will be larger than its logical size.
+     * The crop rectangle determines the offset and logical size of the buffer that should be
+     * read by consumers.
+     *
+     * The crop rectangle is measured in samples and is relative to the offset of the
+     * plane. Valid crop rectangles are within the boundaries of the plane:
+     * [0, 0, widthInSamples, heightInSamples].
+     *
+     * The default crop rectangle is a rectangle the same size as the plane:
+     * [0, 0, widthInSamples, heightInSamples].
+     */
+    Rect crop;
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/PlaneLayoutComponent.aidl b/graphics/common/aidl/android/hardware/graphics/common/PlaneLayoutComponent.aidl
new file mode 100644
index 0000000..3fca53b
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/PlaneLayoutComponent.aidl
@@ -0,0 +1,67 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+import android.hardware.graphics.common.ExtendableType;
+
+/**
+ * Used by IAllocator/IMapper (gralloc) to describe the type and location of a component in a
+ * buffer's plane.
+ *
+ * PlaneLayoutComponent uses the following definitions:
+ *
+ * - Component - a component is one channel of a pixel. For example, an RGBA format has
+ *      four components: R, G, B and A.
+ * - Sample - a sample is comprised of all the components in a given plane. For example,
+ *      a buffer with one Y plane and one CbCr plane has one plane with a sample of Y
+ *      and one plane with a sample of CbCr.
+ * - Pixel - a pixel is comprised of all the (non-metadata/raw) components in buffer across
+ *      all planes. For example, a buffer with a plane of Y and a plane of CbCr has a pixel
+ *      of YCbCr.
+ */
+
+@VintfStability
+parcelable PlaneLayoutComponent {
+    /**
+     * The type of this plane layout component.
+     *
+     * android.hardware.graphics.common.PlaneLayoutComponent defines the standard
+     * plane layout component types. Vendors may extend this type to include any
+     * non-standard plane layout component types. For instructions on how to
+     * create a vendor extension, refer to ExtendableType.aidl.
+     */
+    ExtendableType type;
+
+    /**
+     * Offset in bits to the first instance of this component in the plane.
+     * This is relative to the plane's offset (PlaneLayout::offset).
+     *
+     * If the offset cannot be described using a int64_t, this should be set to -1.
+     * For example, if the plane is compressed and the offset is not defined or
+     * relevant, return -1.
+     */
+    long offsetInBits;
+
+    /**
+     * The number of bits used per component in the plane.
+     *
+     * If the plane layout component cannot be described using componentSizeInBits, this
+     * should be set to -1. For example, if the component varies in size throughout
+     * the plane, return -1.
+     */
+    long sizeInBits;
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/PlaneLayoutComponentType.aidl b/graphics/common/aidl/android/hardware/graphics/common/PlaneLayoutComponentType.aidl
new file mode 100644
index 0000000..18c4a2e
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/PlaneLayoutComponentType.aidl
@@ -0,0 +1,46 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+/**
+ * Used by IAllocator/IMapper (gralloc) to describe standard plane layout component types
+ *
+ * The enum values have been taken directly from gralloc1's android_flex_component for compatiblity
+ * reasons. However, unlike gralloc1's android_flex_component, this field is NOT a bit field.
+ * A plane's components should NOT be expressed by bitwise OR-ing different
+ * PlaneLayoutComponentTypes together.
+ */
+@VintfStability
+@Backing(type="long")
+enum PlaneLayoutComponentType {
+    /* Luma */
+    Y = 1 << 0,
+    /* Chroma blue */
+    CB = 1 << 1,
+    /* Chroma red */
+    CR = 1 << 2,
+
+    /* Red */
+    R = 1 << 10,
+    /* Green */
+    G = 1 << 11,
+    /* Blue */
+    B = 1 << 12,
+
+    /* Alpha */
+    A = 1 << 30,
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/Rect.aidl b/graphics/common/aidl/android/hardware/graphics/common/Rect.aidl
new file mode 100644
index 0000000..1a3bc11
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/Rect.aidl
@@ -0,0 +1,29 @@
+/**
+ * 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.
+ */
+
+package android.hardware.graphics.common;
+
+/**
+ * General purpose definition of a rectangle.
+ */
+
+@VintfStability
+parcelable Rect {
+    int left;
+    int top;
+    int right;
+    int bottom;
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/StandardMetadataType.aidl b/graphics/common/aidl/android/hardware/graphics/common/StandardMetadataType.aidl
new file mode 100644
index 0000000..060d12c
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/StandardMetadataType.aidl
@@ -0,0 +1,282 @@
+/**
+ * Copyright (c) 2019,libgralloctypes_helper 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.
+ */
+
+package android.hardware.graphics.common;
+
+/**
+ * Used by IAllocator/IMapper (gralloc) to describe standard metadata types.
+ *
+ * This is an enum that defines the common types of gralloc 4 buffer metadata. The comments for
+ * each enum include a description of the metadata that is associated with the type.
+ *
+ * IMapper@4.x must support getting the following standard buffer metadata types. IMapper@4.x may
+ * support setting these standard buffer metadata types as well.
+ */
+@VintfStability
+@Backing(type="long")
+enum StandardMetadataType {
+    INVALID = 0,
+
+    /**
+     * Can be used to get the random ID of the buffer. This ID should be psuedorandom with
+     * sufficient entropy.
+     *
+     * This ID should only be used for debugging purposes. It cannot be used as a basis for any
+     * control flows.
+     *
+     * The buffer ID is determined at allocation time and should not change during the lifetime
+     * of the buffer.
+     *
+     * The buffer ID is a uint64_t.
+     *
+     * When it is encoded into a byte stream, it is represented by 8 bytes written in little endian.
+     */
+    BUFFER_ID = 1,
+
+    /**
+     * Can be used to get the name passed in by the client at allocation time in the
+     * BufferDescriptorInfo.
+     *
+     * The buffer name is determined at allocation time and should not change during the lifetime
+     * of the buffer.
+     *
+     * The buffer name is a string.
+     *
+     * When it is encoded into a byte stream, the length of the string is written using 8 bytes in
+     * little endian. It is followed by a char array of the string's
+     * characters. The array is not null-terminated.
+     */
+    NAME = 2,
+
+    /**
+     * Can be used to get the number of elements per buffer row requested at allocation time in
+     * the BufferDescriptorInfo.
+     *
+     * The width is determined at allocation time and should not change during the lifetime
+     * of the buffer.
+     *
+     * The width is a uint64_t.
+     *
+     * When it is encoded into a byte stream, it is represented by 8 bytes written in little endian.
+     */
+    WIDTH = 3,
+
+    /**
+     * Can be used to get the number of elements per buffer column requested at allocation time in
+     * the BufferDescriptorInfo.
+     *
+     * The height is determined at allocation time and should not change during the lifetime
+     * of the buffer.
+     *
+     * The height is a uint64_t.
+     *
+     * When it is encoded into a byte stream, it is represented by 8 bytes written in little endian.
+     */
+    HEIGHT = 4,
+
+    /**
+     * Can be used to get the number of layers requested at allocation time in the
+     * BufferDescriptorInfo.
+     *
+     * The layer count is determined at allocation time and should not change during the lifetime
+     * of the buffer.
+     *
+     * The layer count is a uint64_t.
+     *
+     * When it is encoded into a byte stream, it is represented by 8 bytes written in little endian.
+     */
+    LAYER_COUNT = 5,
+
+    /**
+     * Can be used to get the buffer format requested at allocation time in the
+     * BufferDescriptorInfo.
+     *
+     * The requested pixel format is determined at allocation time and should not change during
+     * the lifetime of the buffer.
+     *
+     * The requested pixel format is a android.hardware.graphics.common@1.2::PixelFormat.
+     *
+     * When it is encoded into a byte stream, it is first cast to a int32_t and then represented in
+     * the byte stream by 4 bytes written in little endian.
+     */
+    PIXEL_FORMAT_REQUESTED = 6,
+
+    /**
+     * Can be used to get the fourcc code for the format. Fourcc codes are standard across all
+     * devices of the same kernel version. Fourcc codes must follow the Linux definition of a
+     * fourcc format found in: include/uapi/drm/drm_fourcc.h.
+     *
+     * The pixel format fourcc code is represented by a uint32_t.
+     *
+     * When it is encoded into a byte stream, it is represented by 4 bytes written in little endian.
+     */
+    PIXEL_FORMAT_FOURCC = 7,
+
+    /**
+     * Can be used to get the modifier for the format. Together fourcc and modifier describe the
+     * real pixel format. Each fourcc and modifier pair is unique and must fully define the format
+     * and layout of the buffer. Modifiers can change any property of the buffer. Modifiers must
+     * follow the Linux definition of a modifier found in: include/uapi/drm/drm_fourcc.h.
+     *
+     * The pixel format modifier is represented by a uint64_t.
+     *
+     * When it is encoded into a byte stream, it is represented by 8 bytes written in little endian.
+     */
+    PIXEL_FORMAT_MODIFIER = 8,
+
+    /**
+     * Can be used to get the usage requested at allocation time in the BufferDescriptorInfo.
+     *
+     * The usage is determined at allocation time and should not change during the lifetime
+     * of the buffer.
+     *
+     * The usage is a uint64_t bit field of android.hardware.graphics.common@1.2::BufferUsage's.
+     *
+     * When it is encoded into a byte stream, it is represented by 8 bytes written in little endian.
+     */
+    USAGE = 9,
+
+    /**
+     * Can be used to get the total size in bytes of any memory used by the buffer including its
+     * metadata and extra padding. This is the total number of bytes used by the buffer allocation.
+     *
+     * The allocation size is a uint64_t.
+     *
+     * When it is encoded into a byte stream, it is represented by 8 bytes written in little endian.
+     */
+    ALLOCATION_SIZE = 10,
+
+    /**
+     * Can be used to get if a buffer has protected content. If the buffer does not have protected
+     * content, this should return 0. If a buffer has protected content, this should return 1.
+     *
+     * In future versions, this field will be extended to expose more information about the type
+     * of protected content in the buffer.
+     *
+     * The protected content is a uint64_t.
+     *
+     * When it is encoded into a byte stream, it is represented by 8 bytes written in little endian.
+     */
+    PROTECTED_CONTENT = 11,
+
+    /**
+     * Can be used to get the compression strategy of the buffer. If the device has more than one
+     * compression strategy, it should have different unique values for each compression
+     * strategy.
+     *
+     * Compression is a stable aidl android.hardware.graphics.common.ExtendableType.
+     *
+     * android.hardware.graphics.common.Compression defines the standard compression
+     * strategies. Vendors may extend this type to include any compression strategies.
+     *
+     * When it is encoded into a byte stream, the length of the name field string is written using
+     * 8 bytes in little endian. It is followed by a char array of the string's
+     * characters. The array is not null-terminated. Finally the value field is written as 8 bytes
+     * in little endian.
+     */
+    COMPRESSION = 12,
+
+    /**
+     * Can be used to get how the buffer's planes are interlaced.
+     *
+     * Interlaced is a stable aidl android.hardware.graphics.common.ExtendableType.
+     *
+     * android.hardware.graphics.common.Interlaced defines the standard interlaced
+     * strategies. Vendors may extend this type to include any non-standard interlaced
+     * strategies.
+     *
+     * When it is encoded into a byte stream, the length of the name field string is written using
+     * 8 bytes in little endian. It is followed by a char array of the string's
+     * characters. The array is not null-terminated. Finally the value field is written as 8 bytes
+     * in little endian.
+     */
+    INTERLACED = 13,
+
+    /**
+     * Can be used to get the chroma siting of a buffer.
+     *
+     * Chroma siting is a stable aidl android.hardware.graphics.common.ExtendableType.
+     *
+     * android.hardware.graphics.common.ChromaSiting defines the standard chroma
+     * sitings. Vendors may extend this type to include any non-standard chroma sitings.
+     *
+     * When it is encoded into a byte stream, the length of the name field string is written using
+     * 8 bytes in little endian. It is followed by a char array of the string's
+     * characters. The array is not null-terminated. Finally the value field is written as 8 bytes
+     * in little endian.
+     */
+    CHROMA_SITING = 14,
+
+    /**
+     * Can be used to get the PlaneLayout(s) of the buffer. There should be one PlaneLayout per
+     * plane in the buffer. For example if the buffer only has one plane, only one PlaneLayout
+     * should be returned.
+     *
+     * If the buffer has planes interlaced through time, the returned PlaneLayout structs should be
+     * ordered by time. The nth PlaneLayout should be from the same time or earlier than the
+     * n+1 PlaneLayout.
+     *
+     * The plane layout is a list of stable aidl android.hardware.graphics.common.PlaneLayout's.
+     *
+     * When it is encoded into a byte stream, the total number of PlaneLayouts is written using
+     * 8 bytes in little endian. It is followed by each PlaneLayout.
+     *
+     * To encode a PlaneLayout, write the length of its PlaneLayoutComponent[] components
+     * field as 8 bytes in little endian and then encode each of its components. Finally, write the
+     * following fields in this order each as 8 bytes in little endian: offsetInBytes,
+     * sampleIncrementInBits, strideInBytes, widthInSamples, totalSizeInBytes,
+     * horizontalSubsampling, verticalSubsampling.
+     *
+     * To encode a PlaneLayoutComponent, encode its PlaneLayoutComponentType type field. Next
+     * encode offsetInBits followed by sizeInBits each as 8 bytes in little endian.
+     *
+     * To encode a PlaneLayoutComponentType, write the length of the name field string as
+     * 8 bytes in little endian. It is followed by a char array of the string's
+     * characters. The array is not null-terminated. Finally the value field is written as 8 bytes
+     * in little endian.
+     */
+    PLANE_LAYOUTS = 15,
+
+    /**
+     * Can be used to get or set the dataspace of the buffer. The framework may attempt to set
+     * this value.
+     *
+     * The default dataspace is Dataspace::UNKNOWN. If this dataspace is set to any valid value
+     * other than Dataspace::UNKNOWN, this dataspace overrides all other dataspaces. For example,
+     * if the buffer has Dataspace::DISPLAY_P3 and it is being displayed on a composer Layer that
+     * is Dataspace::sRGB, the buffer should be treated as a DISPLAY_P3 buffer.
+     *
+     * The dataspace is a stable aidl android.hardware.graphics.common.Dataspace.
+     *
+     * When it is encoded into a byte stream, it is first cast to a int32_t and then represented in
+     * the byte stream by 4 bytes written in little endian.
+     */
+    DATASPACE = 16,
+
+    /**
+     * Can be used to get or set the BlendMode. The framework may attempt to set this value.
+     *
+     * The default blend mode is INVALID. If the BlendMode is set to any
+     * valid value other than INVALID, this BlendMode overrides all other
+     * dataspaces. For a longer description of this behavior see MetadataType::DATASPACE.
+     *
+     * The blend mode is a stable aidl android.hardware.graphics.common.BlendMode.
+     *
+     * When it is encoded into a byte stream, it is first cast to a int32_t and then represented by
+     * 4 bytes written in little endian.
+     */
+    BLEND_MODE = 17,
+}