invalidate the surface when the physical changes

2 files changed, 10 insertions, 7 deletions

diff --git a/libs/surfaceflinger/Layer.cpp b/libs/surfaceflinger/Layer.cpp
index d59f205..022388a 100644
--- a/libs/surfaceflinger/Layer.cpp
+++ b/libs/surfaceflinger/Layer.cpp
@@ -330,10 +330,6 @@ uint32_t Layer::doTransaction(uint32_t flags)
                     int(mBuffers[0]->getWidth()), int(mBuffers[0]->getHeight()),
                     int(mBuffers[1]->getWidth()), int(mBuffers[1]->getHeight()));
 
-        // record the new size, form this point on, when the client request a
-        // buffer, it'll get the new size.
-        setDrawingSize(temp.requested_w, temp.requested_h);
-
         // we're being resized and there is a freeze display request,
         // acquire a freeze lock, so that the screen stays put
         // until we've redrawn at the new size; this is to avoid
@@ -346,9 +342,10 @@ uint32_t Layer::doTransaction(uint32_t flags)
             }
         }
 
-        // recompute the visible region
-        flags |= Layer::eVisibleRegion;
-        this->contentDirty = true;
+        // record the new size, form this point on, when the client request a
+        // buffer, it'll get the new size.
+        setDrawingSize(temp.requested_w, temp.requested_h);
+
         // all buffers need reallocation
         lcblk->reallocate();
     }
diff --git a/libs/surfaceflinger/LayerBase.cpp b/libs/surfaceflinger/LayerBase.cpp
index df1407d..d83c842 100644
--- a/libs/surfaceflinger/LayerBase.cpp
+++ b/libs/surfaceflinger/LayerBase.cpp
@@ -202,6 +202,12 @@ uint32_t LayerBase::doTransaction(uint32_t flags)
         editTemp.h = temp.requested_h;
     }
 
+    if ((front.w != temp.w) || (front.h != temp.h)) {
+        // invalidate and recompute the visible regions if needed
+        flags |= Layer::eVisibleRegion;
+        this->contentDirty = true;
+    }
+
     if (temp.sequence != front.sequence) {
         // invalidate and recompute the visible regions if needed
         flags |= eVisibleRegion;