commit d0a896595f0aa62b36fdcc5a54214dcefbf46f73
author Vishnu Nair <vishnun@google.com> Thu Jan 13 12:05:54 2022 -0800
committer Tiger Huang <tigerhuang@google.com> Thu Jan 20 11:19:55 2022 +0800
tree 0e9e92624b449894575f00455809bbfd32949d0a
parent f22b3b79abb741f7e44dc359c621592bfba450fe

Pipe display install orientation 1/2

This is a step to move the layout logic to the client side. We won't
invoke IWindowSession#relayout then, and the client should be able to
set the transform hint on its own.

Bug: 161810301
Test: presubmit
Change-Id: I541b70fb921e22ab46ccb22391b8ca65eeb3d1a4

libs/ui/StaticDisplayInfo.cpp

diff --git a/libs/ui/StaticDisplayInfo.cpp b/libs/ui/StaticDisplayInfo.cpp
index b66b281..03d15e4 100644
--- a/libs/ui/StaticDisplayInfo.cpp
+++ b/libs/ui/StaticDisplayInfo.cpp
@@ -29,7 +29,8 @@
     return FlattenableHelpers::getFlattenedSize(connectionType) +
             FlattenableHelpers::getFlattenedSize(density) +
             FlattenableHelpers::getFlattenedSize(secure) +
-            FlattenableHelpers::getFlattenedSize(deviceProductInfo);
+            FlattenableHelpers::getFlattenedSize(deviceProductInfo) +
+            FlattenableHelpers::getFlattenedSize(installOrientation);
 }
 
 status_t StaticDisplayInfo::flatten(void* buffer, size_t size) const {
@@ -40,6 +41,7 @@
     RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, density));
     RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, secure));
     RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, deviceProductInfo));
+    RETURN_IF_ERROR(FlattenableHelpers::flatten(&buffer, &size, installOrientation));
     return OK;
 }
 
@@ -48,6 +50,7 @@
     RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &density));
     RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &secure));
     RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &deviceProductInfo));
+    RETURN_IF_ERROR(FlattenableHelpers::unflatten(&buffer, &size, &installOrientation));
     return OK;
 }
 

libs/ui/include/ui/StaticDisplayInfo.h

diff --git a/libs/ui/include/ui/StaticDisplayInfo.h b/libs/ui/include/ui/StaticDisplayInfo.h
index e86ca29..cc7c869 100644
--- a/libs/ui/include/ui/StaticDisplayInfo.h
+++ b/libs/ui/include/ui/StaticDisplayInfo.h
@@ -19,6 +19,7 @@
 #include <optional>
 
 #include <ui/DeviceProductInfo.h>
+#include <ui/Rotation.h>
 #include <utils/Flattenable.h>
 
 namespace android::ui {
@@ -31,6 +32,7 @@
     float density = 0.f;
     bool secure = false;
     std::optional<DeviceProductInfo> deviceProductInfo;
+    Rotation installOrientation = ROTATION_0;
 
     bool isFixedSize() const { return false; }
     size_t getFlattenedSize() const;

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 3fad6de..e07d02f 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1022,6 +1022,9 @@
     info->secure = display->isSecure();
     info->deviceProductInfo = display->getDeviceProductInfo();
 
+    // TODO: Scale this to multiple displays.
+    info->installOrientation = display->isPrimary() ? internalDisplayOrientation : ui::ROTATION_0;
+
     return NO_ERROR;
 }