Add HDR metadata types to graphics/common

Bug: 120990898
Bug: 141632767

Test: Builds
Change-Id: I94a592d1cc0854b37622a2c85575083b59803793
diff --git a/graphics/common/aidl/android/hardware/graphics/common/Cta861_3.aidl b/graphics/common/aidl/android/hardware/graphics/common/Cta861_3.aidl
new file mode 100644
index 0000000..4fbc6b2
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/Cta861_3.aidl
@@ -0,0 +1,34 @@
+/**
+ * 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;
+
+/**
+ * HDR static metadata extension as specified by CTA-861.3.
+ *
+ * This is an AIDL counterpart of the NDK struct `AHdrMetadata_cta861_3`.
+ */
+@VintfStability
+parcelable Cta861_3 {
+    /**
+     * Maximum content light level.
+     */
+    float maxContentLightLevel;
+    /**
+     * Maximum frame average light level.
+     */
+    float maxFrameAverageLightLevel;
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/Smpte2086.aidl b/graphics/common/aidl/android/hardware/graphics/common/Smpte2086.aidl
new file mode 100644
index 0000000..60614cd
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/Smpte2086.aidl
@@ -0,0 +1,51 @@
+/**
+ * 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.XyColor;
+
+/**
+ * Mastering display metadata as specified by SMPTE ST 2086.
+ *
+ * This is an AIDL counterpart of the NDK struct `AHdrMetadata_smpte2086`.
+ */
+@VintfStability
+parcelable Smpte2086 {
+    /**
+     * CIE XYZ chromaticity for red in the RGB primaries.
+     */
+    XyColor primaryRed;
+    /**
+     * CIE XYZ chromaticity for green in the RGB primaries.
+     */
+    XyColor primaryGreen;
+    /**
+     * CIE XYZ chromaticity for blue in the RGB primaries.
+     */
+    XyColor primaryBlue;
+    /**
+     * CIE XYZ chromaticity for the white point.
+     */
+    XyColor whitePoint;
+    /**
+     * Maximum luminance in candelas per square meter.
+     */
+    float maxLuminance;
+    /**
+     * Minimum luminance in candelas per square meter.
+     */
+    float minLuminance;
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/StandardMetadataType.aidl b/graphics/common/aidl/android/hardware/graphics/common/StandardMetadataType.aidl
index 060d12c..68c99ee 100644
--- a/graphics/common/aidl/android/hardware/graphics/common/StandardMetadataType.aidl
+++ b/graphics/common/aidl/android/hardware/graphics/common/StandardMetadataType.aidl
@@ -279,4 +279,43 @@
      * 4 bytes written in little endian.
      */
     BLEND_MODE = 17,
+
+    /**
+     * Can be used to get or set static HDR metadata specified by SMPTE ST 2086.
+     *
+     * This metadata is a stable aidl android.hardware.graphics.common.Smpte2086.
+     *
+     * This is not used in tone mapping until it has been set for the first time.
+     *
+     * When it is encoded into a byte stream, each float member is represented by 4 bytes written in
+     * little endian. The ordering of float values follows the definition of Smpte2086 and XyColor.
+     * If this is unset when encoded into a byte stream, the byte stream is empty.
+     */
+    SMPTE2086 = 18,
+
+    /**
+     * Can be used to get or set static HDR metadata specified by CTA 861.3.
+     *
+     * This metadata is a stable aidl android.hardware.graphics.common.Cta861_3.
+     *
+     * This is not used in tone mapping until it has been set for the first time.
+     *
+     * When it is encoded into a byte stream, each float member is represented by 4 bytes written in
+     * little endian. The ordering of float values follows the definition of Cta861_3.
+     * If this is unset when encoded into a byte stream, the byte stream is empty.
+     */
+    CTA861_3 = 19,
+
+    /**
+     * Can be used to get or set dynamic HDR metadata specified by SMPTE ST 2094-40:2016.
+     *
+     * This metadata is uint8_t byte array.
+     *
+     * This is not used in tone mapping until it has been set for the first time.
+     *
+     * When it is encoded into a byte stream, the length of the HDR metadata byte array is written
+     * using 8 bytes in little endian. It is followed by the uint8_t byte array.
+     * If this is unset when encoded into a byte stream, the byte stream is empty.
+     */
+    SMPTE2094_40 = 20,
 }
diff --git a/graphics/common/aidl/android/hardware/graphics/common/XyColor.aidl b/graphics/common/aidl/android/hardware/graphics/common/XyColor.aidl
new file mode 100644
index 0000000..9571273
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/XyColor.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;
+
+/**
+ * Chromaticity based on 2 parameters.
+ *
+ * This is an AIDL counterpart of the NDK struct `AColor_xy`.
+ *
+ * @note This can be used to represent any 2-dimensional chromaticity.
+ */
+@VintfStability
+parcelable XyColor {
+    float x;
+    float y;
+}
diff --git a/graphics/mapper/4.0/IMapper.hal b/graphics/mapper/4.0/IMapper.hal
index 03dfef1..3be2152 100644
--- a/graphics/mapper/4.0/IMapper.hal
+++ b/graphics/mapper/4.0/IMapper.hal
@@ -478,7 +478,7 @@
      * particular Metadata field.
      *
      * The framework may attempt to set the following StandardMetadataType
-     * values: DATASPACE, PER_FRAME_METADATA, PER_FRAME_METADATA_BLOB and BLEND_MODE.
+     * values: DATASPACE, SMPTE2086, CTA861_3, SMPTE2094_40 and BLEND_MODE.
      * We strongly encourage everyone to support setting as many of those fields as
      * possible. If a device's Composer implementation supports a field, it should be
      * supported here. Over time these metadata fields will be moved out of
diff --git a/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp b/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
index 4a0aabf..3b87bc2 100644
--- a/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
+++ b/graphics/mapper/4.0/vts/functional/VtsHalGraphicsMapperV4_0TargetTest.cpp
@@ -44,11 +44,13 @@
 using android::hardware::graphics::common::V1_2::PixelFormat;
 using MetadataType = android::hardware::graphics::mapper::V4_0::IMapper::MetadataType;
 using aidl::android::hardware::graphics::common::BlendMode;
+using aidl::android::hardware::graphics::common::Cta861_3;
 using aidl::android::hardware::graphics::common::Dataspace;
 using aidl::android::hardware::graphics::common::ExtendableType;
 using aidl::android::hardware::graphics::common::PlaneLayout;
 using aidl::android::hardware::graphics::common::PlaneLayoutComponent;
 using aidl::android::hardware::graphics::common::PlaneLayoutComponentType;
+using aidl::android::hardware::graphics::common::Smpte2086;
 using aidl::android::hardware::graphics::common::StandardMetadataType;
 
 using DecodeFunction = std::function<void(const IMapper::BufferDescriptorInfo& descriptorInfo,
@@ -1020,6 +1022,42 @@
 }
 
 /**
+ * Test IMapper::get(Smpte2086)
+ */
+TEST_F(GraphicsMapperHidlTest, GetSmpte2086) {
+    testGet(mDummyDescriptorInfo, gralloc4::MetadataType_Smpte2086,
+            [](const IMapper::BufferDescriptorInfo& /*info*/, const hidl_vec<uint8_t>& vec) {
+                std::optional<Smpte2086> smpte2086;
+                ASSERT_EQ(NO_ERROR, gralloc4::decodeSmpte2086(vec, &smpte2086));
+                EXPECT_FALSE(smpte2086.has_value());
+            });
+}
+
+/**
+ * Test IMapper::get(Cta861_3)
+ */
+TEST_F(GraphicsMapperHidlTest, GetCta861_3) {
+    testGet(mDummyDescriptorInfo, gralloc4::MetadataType_Cta861_3,
+            [](const IMapper::BufferDescriptorInfo& /*info*/, const hidl_vec<uint8_t>& vec) {
+                std::optional<Cta861_3> cta861_3;
+                ASSERT_EQ(NO_ERROR, gralloc4::decodeCta861_3(vec, &cta861_3));
+                EXPECT_FALSE(cta861_3.has_value());
+            });
+}
+
+/**
+ * Test IMapper::get(Smpte2094_40)
+ */
+TEST_F(GraphicsMapperHidlTest, GetSmpte2094_40) {
+    testGet(mDummyDescriptorInfo, gralloc4::MetadataType_Smpte2094_40,
+            [](const IMapper::BufferDescriptorInfo& /*info*/, const hidl_vec<uint8_t>& vec) {
+                std::optional<std::vector<uint8_t>> smpte2094_40;
+                ASSERT_EQ(NO_ERROR, gralloc4::decodeSmpte2094_40(vec, &smpte2094_40));
+                EXPECT_FALSE(smpte2094_40.has_value());
+            });
+}
+
+/**
  * Test IMapper::get(metadata) with a bad buffer
  */
 TEST_P(GraphicsMapperHidlTest, GetMetadataBadValue) {
@@ -1072,6 +1110,15 @@
     ASSERT_EQ(Error::BAD_BUFFER,
               mGralloc->get(bufferHandle, gralloc4::MetadataType_BlendMode, &vec));
     ASSERT_EQ(0, vec.size());
+    ASSERT_EQ(Error::BAD_BUFFER,
+              mGralloc->get(bufferHandle, gralloc4::MetadataType_Smpte2086, &vec));
+    ASSERT_EQ(0, vec.size());
+    ASSERT_EQ(Error::BAD_BUFFER,
+              mGralloc->get(bufferHandle, gralloc4::MetadataType_Cta861_3, &vec));
+    ASSERT_EQ(0, vec.size());
+    ASSERT_EQ(Error::BAD_BUFFER,
+              mGralloc->get(bufferHandle, gralloc4::MetadataType_Smpte2094_40, &vec));
+    ASSERT_EQ(0, vec.size());
 }
 
 /**
@@ -1428,6 +1475,90 @@
 }
 
 /**
+ * Test IMapper::set(Smpte2086)
+ */
+TEST_F(GraphicsMapperHidlTest, SetSmpte2086) {
+    /**
+     * DISPLAY_P3 is a color space that uses the DCI_P3 primaries,
+     * the D65 white point and the SRGB transfer functions.
+     * Rendering Intent: Colorimetric
+     * Primaries:
+     *                  x       y
+     *  green           0.265   0.690
+     *  blue            0.150   0.060
+     *  red             0.680   0.320
+     *  white (D65)     0.3127  0.3290
+     */
+    std::optional<Smpte2086> smpte2086;
+    smpte2086->primaryRed.x = 0.680;
+    smpte2086->primaryRed.y = 0.320;
+    smpte2086->primaryGreen.x = 0.265;
+    smpte2086->primaryGreen.y = 0.690;
+    smpte2086->primaryBlue.x = 0.150;
+    smpte2086->primaryBlue.y = 0.060;
+    smpte2086->whitePoint.x = 0.3127;
+    smpte2086->whitePoint.y = 0.3290;
+    smpte2086->maxLuminance = 100.0;
+    smpte2086->minLuminance = 0.1;
+
+    hidl_vec<uint8_t> vec;
+    ASSERT_EQ(NO_ERROR, gralloc4::encodeSmpte2086(smpte2086, &vec));
+
+    testSet(mDummyDescriptorInfo, gralloc4::MetadataType_Smpte2086, vec,
+            [&](const IMapper::BufferDescriptorInfo& /*info*/, const hidl_vec<uint8_t>& vec) {
+                std::optional<Smpte2086> realSmpte2086;
+                ASSERT_EQ(NO_ERROR, gralloc4::decodeSmpte2086(vec, &realSmpte2086));
+                ASSERT_TRUE(realSmpte2086.has_value());
+                EXPECT_EQ(smpte2086->primaryRed.x, realSmpte2086->primaryRed.x);
+                EXPECT_EQ(smpte2086->primaryRed.y, realSmpte2086->primaryRed.y);
+                EXPECT_EQ(smpte2086->primaryGreen.x, realSmpte2086->primaryGreen.x);
+                EXPECT_EQ(smpte2086->primaryGreen.y, realSmpte2086->primaryGreen.y);
+                EXPECT_EQ(smpte2086->primaryBlue.x, realSmpte2086->primaryBlue.x);
+                EXPECT_EQ(smpte2086->primaryBlue.y, realSmpte2086->primaryBlue.y);
+                EXPECT_EQ(smpte2086->whitePoint.x, realSmpte2086->whitePoint.x);
+                EXPECT_EQ(smpte2086->whitePoint.y, realSmpte2086->whitePoint.y);
+                EXPECT_EQ(smpte2086->maxLuminance, realSmpte2086->maxLuminance);
+                EXPECT_EQ(smpte2086->minLuminance, realSmpte2086->minLuminance);
+            });
+}
+
+/**
+ * Test IMapper::set(Cta8613)
+ */
+TEST_F(GraphicsMapperHidlTest, SetCta861_3) {
+    std::optional<Cta861_3> cta861_3;
+    cta861_3->maxContentLightLevel = 78.0;
+    cta861_3->maxFrameAverageLightLevel = 62.0;
+
+    hidl_vec<uint8_t> vec;
+    ASSERT_EQ(NO_ERROR, gralloc4::encodeCta861_3(cta861_3, &vec));
+
+    testSet(mDummyDescriptorInfo, gralloc4::MetadataType_Cta861_3, vec,
+            [&](const IMapper::BufferDescriptorInfo& /*info*/, const hidl_vec<uint8_t>& vec) {
+                std::optional<Cta861_3> realCta861_3;
+                ASSERT_EQ(NO_ERROR, gralloc4::decodeCta861_3(vec, &realCta861_3));
+                ASSERT_TRUE(realCta861_3.has_value());
+                EXPECT_EQ(cta861_3->maxContentLightLevel, realCta861_3->maxContentLightLevel);
+                EXPECT_EQ(cta861_3->maxFrameAverageLightLevel,
+                          realCta861_3->maxFrameAverageLightLevel);
+            });
+}
+
+/**
+ * Test IMapper::set(Smpte2094_40)
+ */
+TEST_F(GraphicsMapperHidlTest, SetSmpte2094_40) {
+    hidl_vec<uint8_t> vec;
+
+    testSet(mDummyDescriptorInfo, gralloc4::MetadataType_Smpte2094_40, vec,
+            [&](const IMapper::BufferDescriptorInfo& /*info*/, const hidl_vec<uint8_t>& vec) {
+                std::optional<std::vector<uint8_t>> realSmpte2094_40;
+                ASSERT_EQ(NO_ERROR, gralloc4::decodeSmpte2094_40(vec, &realSmpte2094_40));
+                EXPECT_FALSE(realSmpte2094_40.has_value());
+            });
+}
+
+/**
  * Test IMapper::set(metadata) with a bad buffer
  */
 TEST_P(GraphicsMapperHidlTest, SetMetadataNullBuffer) {
@@ -1462,6 +1593,11 @@
               mGralloc->set(bufferHandle, gralloc4::MetadataType_Dataspace, vec));
     ASSERT_EQ(Error::BAD_BUFFER,
               mGralloc->set(bufferHandle, gralloc4::MetadataType_BlendMode, vec));
+    ASSERT_EQ(Error::BAD_BUFFER,
+              mGralloc->set(bufferHandle, gralloc4::MetadataType_Smpte2086, vec));
+    ASSERT_EQ(Error::BAD_BUFFER, mGralloc->set(bufferHandle, gralloc4::MetadataType_Cta861_3, vec));
+    ASSERT_EQ(Error::BAD_BUFFER,
+              mGralloc->set(bufferHandle, gralloc4::MetadataType_Smpte2094_40, vec));
 }
 
 /**
@@ -1521,6 +1657,10 @@
               mGralloc->set(bufferHandle, gralloc4::MetadataType_Dataspace, vec));
     ASSERT_EQ(Error::UNSUPPORTED,
               mGralloc->set(bufferHandle, gralloc4::MetadataType_BlendMode, vec));
+    ASSERT_EQ(Error::UNSUPPORTED,
+              mGralloc->set(bufferHandle, gralloc4::MetadataType_Smpte2086, vec));
+    ASSERT_EQ(Error::UNSUPPORTED,
+              mGralloc->set(bufferHandle, gralloc4::MetadataType_Cta861_3, vec));
 }
 
 /**
@@ -1753,6 +1893,45 @@
 }
 
 /**
+ * Test IMapper::getFromBufferDescriptorInfo(Smpte2086)
+ */
+TEST_F(GraphicsMapperHidlTest, GetFromBufferDescriptorInfoSmpte2086) {
+    hidl_vec<uint8_t> vec;
+    ASSERT_EQ(Error::NONE, mGralloc->getFromBufferDescriptorInfo(
+                                   mDummyDescriptorInfo, gralloc4::MetadataType_Smpte2086, &vec));
+
+    std::optional<Smpte2086> smpte2086;
+    ASSERT_EQ(NO_ERROR, gralloc4::decodeSmpte2086(vec, &smpte2086));
+    EXPECT_FALSE(smpte2086.has_value());
+}
+
+/**
+ * Test IMapper::getFromBufferDescriptorInfo(Cta861_3)
+ */
+TEST_F(GraphicsMapperHidlTest, GetFromBufferDescriptorInfoCta861_3) {
+    hidl_vec<uint8_t> vec;
+    ASSERT_EQ(Error::NONE, mGralloc->getFromBufferDescriptorInfo(
+                                   mDummyDescriptorInfo, gralloc4::MetadataType_Cta861_3, &vec));
+
+    std::optional<Cta861_3> cta861_3;
+    ASSERT_EQ(NO_ERROR, gralloc4::decodeCta861_3(vec, &cta861_3));
+    EXPECT_FALSE(cta861_3.has_value());
+}
+
+/**
+ * Test IMapper::getFromBufferDescriptorInfo(Smpte2094_40)
+ */
+TEST_F(GraphicsMapperHidlTest, GetFromBufferDescriptorInfoSmpte2094_40) {
+    hidl_vec<uint8_t> vec;
+    ASSERT_EQ(Error::NONE,
+              mGralloc->getFromBufferDescriptorInfo(mDummyDescriptorInfo,
+                                                    gralloc4::MetadataType_Smpte2094_40, &vec));
+    std::optional<std::vector<uint8_t>> smpte2094_40;
+    ASSERT_EQ(NO_ERROR, gralloc4::decodeSmpte2094_40(vec, &smpte2094_40));
+    EXPECT_FALSE(smpte2094_40.has_value());
+}
+
+/**
  * Test IMapper::getFromBufferDescriptorInfo(metadata) for unsupported metadata
  */
 TEST_P(GraphicsMapperHidlTest, GetFromBufferDescriptorInfoUnsupportedMetadata) {