commit c1c05de415854eb7a13a16b7e22a22de8515123a
author Mathias Agopian <mathias@google.com> Tue Sep 17 23:45:22 2013 -0700
committer Mathias Agopian <mathias@google.com> Tue Sep 17 23:45:22 2013 -0700
tree 9be282141f29b6c5ec7d6b75bffb59a05d26be42
parent 799f51268006f319f6ae538dca670bfc7f522688

fix camera API 2.0 orientation

we add a flag to ANativeWindow::setBufferTransform that means
"apply the inverse rotation of the display this buffer is displayed
onto to".

Bug: 10804238
Change-Id: Id2447676271950463e8dbcef1b95935c5c3f32b2

libs/gui/BufferQueue.cpp

diff --git a/libs/gui/BufferQueue.cpp b/libs/gui/BufferQueue.cpp
index 50e3079..87d66e2 100644
--- a/libs/gui/BufferQueue.cpp
+++ b/libs/gui/BufferQueue.cpp
@@ -557,7 +557,8 @@
         item.mAcquireCalled = mSlots[buf].mAcquireCalled;
         item.mGraphicBuffer = mSlots[buf].mGraphicBuffer;
         item.mCrop = crop;
-        item.mTransform = transform;
+        item.mTransform = transform & ~NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY;
+        item.mTransformToDisplayInverse = bool(transform & NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY);
         item.mScalingMode = scalingMode;
         item.mTimestamp = timestamp;
         item.mIsAutoTimestamp = isAutoTimestamp;

libs/gui/IGraphicBufferConsumer.cpp

diff --git a/libs/gui/IGraphicBufferConsumer.cpp b/libs/gui/IGraphicBufferConsumer.cpp
index 4db635c..9574b61 100644
--- a/libs/gui/IGraphicBufferConsumer.cpp
+++ b/libs/gui/IGraphicBufferConsumer.cpp
@@ -47,7 +47,8 @@
     mFrameNumber(0),
     mBuf(INVALID_BUFFER_SLOT),
     mIsDroppable(false),
-    mAcquireCalled(false) {
+    mAcquireCalled(false),
+    mTransformToDisplayInverse(false) {
     mCrop.makeInvalid();
 }
 
@@ -60,7 +61,8 @@
             sizeof(mFrameNumber) +
             sizeof(mBuf) +
             sizeof(mIsDroppable) +
-            sizeof(mAcquireCalled);
+            sizeof(mAcquireCalled) +
+            sizeof(mTransformToDisplayInverse);
     return c;
 }
 
@@ -130,6 +132,7 @@
     FlattenableUtils::write(buffer, size, mBuf);
     FlattenableUtils::write(buffer, size, mIsDroppable);
     FlattenableUtils::write(buffer, size, mAcquireCalled);
+    FlattenableUtils::write(buffer, size, mTransformToDisplayInverse);
 
     return NO_ERROR;
 }
@@ -171,6 +174,7 @@
     FlattenableUtils::read(buffer, size, mBuf);
     FlattenableUtils::read(buffer, size, mIsDroppable);
     FlattenableUtils::read(buffer, size, mAcquireCalled);
+    FlattenableUtils::read(buffer, size, mTransformToDisplayInverse);
 
     return NO_ERROR;
 }