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Merge "SurfaceFlinger: Limit to 4k Layers" into mnc-dev

This commit is contained in:
Dan Stoza 2015-04-30 22:12:46 +00:00 committed by Android (Google) Code Review
parent 5a5d0672c6 7d89d06a6f
commit 7b2fc93007
2 changed files with 24 additions and 9 deletions
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29
services/surfaceflinger/SurfaceFlinger.cpp
View File

@ -2018,18 +2018,25 @@ void SurfaceFlinger::drawWormhole(const sp<const DisplayDevice>& hw, const Regio
engine.fillRegionWithColor(region, height, 0, 0, 0, 0);
}
void SurfaceFlinger::addClientLayer(const sp<Client>& client,
status_t SurfaceFlinger::addClientLayer(const sp<Client>& client,
const sp<IBinder>& handle,
const sp<IGraphicBufferProducer>& gbc,
const sp<Layer>& lbc)
{
// add this layer to the current state list
{
Mutex::Autolock _l(mStateLock);
if (mCurrentState.layersSortedByZ.size() >= MAX_LAYERS) {
return NO_MEMORY;
}
mCurrentState.layersSortedByZ.add(lbc);
mGraphicBufferProducerList.add(IInterface::asBinder(gbc));
}
// attach this layer to the client
client->attachLayer(handle, lbc);
// add this layer to the current state list
Mutex::Autolock _l(mStateLock);
mCurrentState.layersSortedByZ.add(lbc);
mGraphicBufferProducerList.add(IInterface::asBinder(gbc));
return NO_ERROR;
}
status_t SurfaceFlinger::removeLayer(const sp<Layer>& layer) {
@ -2286,10 +2293,16 @@ status_t SurfaceFlinger::createLayer(
break;
}
if (result == NO_ERROR) {
addClientLayer(client, *handle, *gbp, layer);
setTransactionFlags(eTransactionNeeded);
if (result != NO_ERROR) {
return result;
}
result = addClientLayer(client, *handle, *gbp, layer);
if (result != NO_ERROR) {
return result;
}
setTransactionFlags(eTransactionNeeded);
return result;
}

4
services/surfaceflinger/SurfaceFlinger.h
View File

@ -144,6 +144,8 @@ private:
// every half hour.
enum { LOG_FRAME_STATS_PERIOD = 30*60*60 };
static const size_t MAX_LAYERS = 4096;
// We're reference counted, never destroy SurfaceFlinger directly
virtual ~SurfaceFlinger();
@ -305,7 +307,7 @@ private:
status_t removeLayer(const sp<Layer>& layer);
// add a layer to SurfaceFlinger
void addClientLayer(const sp<Client>& client,
status_t addClientLayer(const sp<Client>& client,
const sp<IBinder>& handle,
const sp<IGraphicBufferProducer>& gbc,
const sp<Layer>& lbc);