SurfaceFlinger: Add API to get native display color primaries

Add getDisplayNativePrimaries(), used to get the coordinates of a
display's native color primaries. Only a single internal display is
supported at this time.
This API makes use of an API by the same name added in Configstore v1.2.

Bug: 123104704
Change-Id: I466f45f4a52b77d547f7b01164b93fb387a72780
diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp
index 7195786..bef68ef 100644
--- a/libs/gui/ISurfaceComposer.cpp
+++ b/libs/gui/ISurfaceComposer.cpp
@@ -395,6 +395,32 @@
         return result;
     }
 
+    virtual status_t getDisplayNativePrimaries(const sp<IBinder>& display,
+            ui::DisplayPrimaries& primaries) {
+        Parcel data, reply;
+        status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+        if (result != NO_ERROR) {
+            ALOGE("getDisplayNativePrimaries failed to writeInterfaceToken: %d", result);
+            return result;
+        }
+        result = data.writeStrongBinder(display);
+        if (result != NO_ERROR) {
+            ALOGE("getDisplayNativePrimaries failed to writeStrongBinder: %d", result);
+            return result;
+        }
+        result = remote()->transact(BnSurfaceComposer::GET_DISPLAY_NATIVE_PRIMARIES, data, &reply);
+        if (result != NO_ERROR) {
+            ALOGE("getDisplayNativePrimaries failed to transact: %d", result);
+            return result;
+        }
+        result = reply.readInt32();
+        if (result == NO_ERROR) {
+            memcpy(&primaries, reply.readInplace(sizeof(ui::DisplayPrimaries)),
+                    sizeof(ui::DisplayPrimaries));
+        }
+        return result;
+    }
+
     virtual ColorMode getActiveColorMode(const sp<IBinder>& display) {
         Parcel data, reply;
         status_t result = data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
@@ -974,6 +1000,26 @@
             }
             return NO_ERROR;
         }
+        case GET_DISPLAY_NATIVE_PRIMARIES: {
+            CHECK_INTERFACE(ISurfaceComposer, data, reply);
+            ui::DisplayPrimaries primaries;
+            sp<IBinder> display = nullptr;
+
+            status_t result = data.readStrongBinder(&display);
+            if (result != NO_ERROR) {
+                ALOGE("getDisplayNativePrimaries failed to readStrongBinder: %d", result);
+                return result;
+            }
+
+            result = getDisplayNativePrimaries(display, primaries);
+            reply->writeInt32(result);
+            if (result == NO_ERROR) {
+                memcpy(reply->writeInplace(sizeof(ui::DisplayPrimaries)), &primaries,
+                        sizeof(ui::DisplayPrimaries));
+            }
+
+            return NO_ERROR;
+        }
         case GET_ACTIVE_COLOR_MODE: {
             CHECK_INTERFACE(ISurfaceComposer, data, reply);
             sp<IBinder> display = nullptr;
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index a5d43c0..c712bde 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -1297,6 +1297,11 @@
     return ComposerService::getComposerService()->getDisplayColorModes(display, outColorModes);
 }
 
+status_t SurfaceComposerClient::getDisplayNativePrimaries(const sp<IBinder>& display,
+        ui::DisplayPrimaries& outPrimaries) {
+    return ComposerService::getComposerService()->getDisplayNativePrimaries(display, outPrimaries);
+}
+
 ColorMode SurfaceComposerClient::getActiveColorMode(const sp<IBinder>& display) {
     return ComposerService::getComposerService()->getActiveColorMode(display);
 }
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index bbfc8c4..3899f6a 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -27,6 +27,7 @@
 
 #include <binder/IInterface.h>
 
+#include <ui/ConfigStoreTypes.h>
 #include <ui/DisplayedFrameStats.h>
 #include <ui/FrameStats.h>
 #include <ui/GraphicBuffer.h>
@@ -161,6 +162,8 @@
 
     virtual status_t getDisplayColorModes(const sp<IBinder>& display,
             Vector<ui::ColorMode>* outColorModes) = 0;
+    virtual status_t getDisplayNativePrimaries(const sp<IBinder>& display,
+            ui::DisplayPrimaries& primaries) = 0;
     virtual ui::ColorMode getActiveColorMode(const sp<IBinder>& display) = 0;
     virtual status_t setActiveColorMode(const sp<IBinder>& display,
             ui::ColorMode colorMode) = 0;
@@ -373,6 +376,7 @@
         CACHE_BUFFER,
         UNCACHE_BUFFER,
         IS_WIDE_COLOR_DISPLAY,
+        GET_DISPLAY_NATIVE_PRIMARIES,
         // Always append new enum to the end.
     };
 
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index ef3b2e6..8e2bb2b 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -30,6 +30,7 @@
 #include <utils/SortedVector.h>
 #include <utils/threads.h>
 
+#include <ui/ConfigStoreTypes.h>
 #include <ui/DisplayedFrameStats.h>
 #include <ui/FrameStats.h>
 #include <ui/GraphicTypes.h>
@@ -114,6 +115,10 @@
     static status_t getDisplayColorModes(const sp<IBinder>& display,
             Vector<ui::ColorMode>* outColorModes);
 
+    // Get the coordinates of the display's native color primaries
+    static status_t getDisplayNativePrimaries(const sp<IBinder>& display,
+            ui::DisplayPrimaries& outPrimaries);
+
     // Gets the active color mode for the given display
     static ui::ColorMode getActiveColorMode(const sp<IBinder>& display);
 
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index d525a33..1705fd7 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -598,6 +598,10 @@
             Vector<ColorMode>* /*outColorModes*/) override {
         return NO_ERROR;
     }
+    status_t getDisplayNativePrimaries(const sp<IBinder>& /*display*/,
+            ui::DisplayPrimaries& /*primaries*/) override {
+        return NO_ERROR;
+    }
     ColorMode getActiveColorMode(const sp<IBinder>& /*display*/)
             override {
         return ColorMode::NATIVE;
diff --git a/libs/ui/Android.bp b/libs/ui/Android.bp
index 74450d7..00e227f 100644
--- a/libs/ui/Android.bp
+++ b/libs/ui/Android.bp
@@ -87,7 +87,7 @@
         "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.mapper@2.1",
         "android.hardware.graphics.mapper@3.0",
-        "android.hardware.configstore@1.0",
+        "android.hardware.configstore@1.2",
         "android.hardware.configstore-utils",
         "libbase",
         "libcutils",
@@ -102,6 +102,7 @@
     ],
 
     export_shared_lib_headers: [
+        "android.hardware.configstore@1.2",
         "android.hardware.graphics.common@1.2",
     ],
 
diff --git a/libs/ui/include/ui/ConfigStoreTypes.h b/libs/ui/include/ui/ConfigStoreTypes.h
new file mode 100644
index 0000000..37a2bd5
--- /dev/null
+++ b/libs/ui/include/ui/ConfigStoreTypes.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 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.
+ */
+
+#pragma once
+
+#include <android/hardware/configstore/1.2/types.h>
+
+// android::ui::* in this header file will alias different types as
+// the HIDL interface is updated.
+namespace android {
+namespace ui {
+
+using android::hardware::configstore::V1_2::DisplayPrimaries;
+
+}  // namespace ui
+}  // namespace android
diff --git a/libs/ui/include_vndk/ui/ConfigStoreTypes.h b/libs/ui/include_vndk/ui/ConfigStoreTypes.h
new file mode 100644
index 0000000..37a2bd5
--- /dev/null
+++ b/libs/ui/include_vndk/ui/ConfigStoreTypes.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 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.
+ */
+
+#pragma once
+
+#include <android/hardware/configstore/1.2/types.h>
+
+// android::ui::* in this header file will alias different types as
+// the HIDL interface is updated.
+namespace android {
+namespace ui {
+
+using android::hardware::configstore::V1_2::DisplayPrimaries;
+
+}  // namespace ui
+}  // namespace android