Merge change 25440 into eclair
* changes:
Fix a minor bug in is_alnum_string()...
diff --git a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
index d893f0a..cc913cb 100644
--- a/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
+++ b/libs/surfaceflinger/DisplayHardware/DisplayHardware.cpp
@@ -174,6 +174,13 @@
surface = eglCreateWindowSurface(display, config, mNativeWindow.get(), NULL);
+ if (mFlags & UPDATE_ON_DEMAND) {
+ // if we have update on demand, we definitely don't need to
+ // preserve the backbuffer, which is usually costly.
+ eglSurfaceAttrib(display, surface,
+ EGL_SWAP_BEHAVIOR, EGL_BUFFER_DESTROYED);
+ }
+
if (eglQuerySurface(display, surface, EGL_SWAP_BEHAVIOR, &dummy) == EGL_TRUE) {
if (dummy == EGL_BUFFER_PRESERVED) {
mFlags |= BUFFER_PRESERVED;
diff --git a/libs/surfaceflinger/Layer.cpp b/libs/surfaceflinger/Layer.cpp
index 1e7f1e6..7387c85 100644
--- a/libs/surfaceflinger/Layer.cpp
+++ b/libs/surfaceflinger/Layer.cpp
@@ -303,7 +303,6 @@
// Index of the back buffer
const bool backbufferChanged = (front.w != temp.w) || (front.h != temp.h);
-
if (backbufferChanged) {
// the size changed, we need to ask our client to request a new buffer
LOGD_IF(DEBUG_RESIZE,
@@ -318,17 +317,6 @@
// buffer, it'll get the new size.
setDrawingSize(temp.w, temp.h);
- // all buffers need reallocation
- lcblk->reallocate();
-
- // recompute the visible region
- // FIXME: ideally we would do that only when we have received
- // a buffer of the right size
- flags |= Layer::eVisibleRegion;
- this->contentDirty = true;
-
-#if 0
- // FIXME: handle freeze lock
// 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
@@ -340,7 +328,12 @@
mFreezeLock = mFlinger->getFreezeLock();
}
}
-#endif
+
+ // recompute the visible region
+ flags |= Layer::eVisibleRegion;
+ this->contentDirty = true;
+ // all buffers need reallocation
+ lcblk->reallocate();
}
if (temp.sequence != front.sequence) {
@@ -382,6 +375,13 @@
const Region dirty(lcblk->getDirtyRegion(buf));
mPostedDirtyRegion = dirty.intersect( newFrontBuffer->getBounds() );
+
+ const Layer::State& front(drawingState());
+ if (newFrontBuffer->getWidth() == front.w &&
+ newFrontBuffer->getHeight() ==front.h) {
+ mFreezeLock.clear();
+ }
+
// FIXME: signal an event if we have more buffers waiting
// mFlinger->signalEvent();
diff --git a/libs/surfaceflinger/LayerBuffer.cpp b/libs/surfaceflinger/LayerBuffer.cpp
index 38a897d..667571b 100644
--- a/libs/surfaceflinger/LayerBuffer.cpp
+++ b/libs/surfaceflinger/LayerBuffer.cpp
@@ -595,6 +595,7 @@
*overlayRef = new OverlayRef(mOverlayHandle, channel,
mWidth, mHeight, mFormat, mWidthStride, mHeightStride);
+ mLayer.mFlinger->signalEvent();
}
LayerBuffer::OverlaySource::~OverlaySource()