libgui: Pass surface damage through BufferQueue

This change adds support for passing surface damage all of the way
down from the EGL interface through the consumer side of the
BufferQueue. Depends on system/core change
Ie645e6a52b37b5c1b3be19481e8348570d1aa62c

Bug: 11239309
Change-Id: I4457ea826e9ade4ec187f973851d855b7b93a31b

1 files changed, 8 insertions, 0 deletions

diff --git a/libs/gui/BufferItem.cpp b/libs/gui/BufferItem.cpp
index 312fb3b..239da20 100644
--- a/libs/gui/BufferItem.cpp
+++ b/libs/gui/BufferItem.cpp
@@ -64,6 +64,8 @@ size_t BufferItem::getFlattenedSize() const {
         c += mFence->getFlattenedSize();
         FlattenableUtils::align<4>(c);
     }
+    c += mSurfaceDamage.getFlattenedSize();
+    FlattenableUtils::align<4>(c);
     return sizeof(int32_t) + c + getPodSize();
 }
 
@@ -105,6 +107,9 @@ status_t BufferItem::flatten(
         size -= FlattenableUtils::align<4>(buffer);
         flags |= 2;
     }
+    status_t err = mSurfaceDamage.flatten(buffer, size);
+    if (err) return err;
+    size -= FlattenableUtils::align<4>(buffer);
 
     // check we have enough space (in case flattening the fence/graphicbuffer lied to us)
     if (size < getPodSize()) {
@@ -148,6 +153,9 @@ status_t BufferItem::unflatten(
         if (err) return err;
         size -= FlattenableUtils::align<4>(buffer);
     }
+    status_t err = mSurfaceDamage.unflatten(buffer, size);
+    if (err) return err;
+    size -= FlattenableUtils::align<4>(buffer);
 
     // check we have enough space
     if (size < getPodSize()) {