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am b4d18ed3: fix an issue where hotplug events were not dispatched

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* commit 'b4d18ed34e3513f3a14ea0876c7e330bee72a529':
  fix an issue where hotplug events were not dispatched
This commit is contained in:
Mathias Agopian 2012-09-21 14:55:42 -07:00 committed by Android Git Automerger
commit 98cffd5cf9
2 changed files with 31 additions and 15 deletions
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15
services/surfaceflinger/DisplayHardware/HWComposer.cpp
View File

@ -865,9 +865,18 @@ void HWComposer::dump(String8& result, char* buffer, size_t SIZE,
result.appendFormat(" mDebugForceFakeVSync=%d\n", mDebugForceFakeVSync);
for (size_t i=0 ; i<mNumDisplays ; i++) {
const DisplayData& disp(mDisplayData[i]);
if (disp.list) {
result.appendFormat(" id=%d, numHwLayers=%u, flags=%08x\n",
i, disp.list->numHwLayers, disp.list->flags);
if (disp.connected) {
result.appendFormat(
" Display[%d] : %ux%u, xdpi=%f, ydpi=%f, refresh=%lld\n",
i, disp.width, disp.height, disp.xdpi, disp.ydpi, disp.refresh);
}
if (disp.list && disp.connected) {
result.appendFormat(
" numHwLayers=%u, flags=%08x\n",
disp.list->numHwLayers, disp.list->flags);
result.append(
" type | handle | hints | flags | tr | blend | format | source crop | frame name \n"
"------------+----------+----------+----------+----+-------+----------+---------------------------+--------------------------------\n");

31
services/surfaceflinger/EventThread.cpp
View File

@ -125,22 +125,24 @@ void EventThread::onHotplugReceived(int type, bool connected) {
}
bool EventThread::threadLoop() {
DisplayEventReceiver::Event vsync;
DisplayEventReceiver::Event event;
Vector< sp<EventThread::Connection> > signalConnections;
signalConnections = waitForEvent(&vsync);
signalConnections = waitForEvent(&event);
// dispatch events to listeners...
const size_t count = signalConnections.size();
for (size_t i=0 ; i<count ; i++) {
const sp<Connection>& conn(signalConnections[i]);
// now see if we still need to report this VSYNC event
status_t err = conn->postEvent(vsync);
// now see if we still need to report this event
status_t err = conn->postEvent(event);
if (err == -EAGAIN || err == -EWOULDBLOCK) {
// The destination doesn't accept events anymore, it's probably
// full. For now, we just drop the events on the floor.
// Note that some events cannot be dropped and would have to be
// re-sent later. Right-now we don't have the ability to do
// this, but it doesn't matter for VSYNC.
// FIXME: Note that some events cannot be dropped and would have
// to be re-sent later.
// Right-now we don't have the ability to do this.
ALOGW("EventThread: dropping event (%08x) for connection %p",
event.header.type, conn.get());
} else if (err < 0) {
// handle any other error on the pipe as fatal. the only
// reasonable thing to do is to clean-up this connection.
@ -185,6 +187,7 @@ Vector< sp<EventThread::Connection> > EventThread::waitForEvent(
for (size_t i=0 ; i<count ; i++) {
sp<Connection> connection(mDisplayEventConnections[i].promote());
if (connection != NULL) {
bool added = false;
if (connection->count >= 0) {
// we need vsync events because at least
// one connection is waiting for it
@ -196,18 +199,22 @@ Vector< sp<EventThread::Connection> > EventThread::waitForEvent(
// fired this time around
connection->count = -1;
signalConnections.add(connection);
added = true;
} else if (connection->count == 1 ||
(vsyncCount % connection->count) == 0) {
// continuous event, and time to report it
signalConnections.add(connection);
added = true;
}
} else if (eventPending) {
// we don't have a vsync event to process
// (timestamp==0), but we have some pending
// messages.
signalConnections.add(connection);
}
}
if (eventPending && !timestamp && !added) {
// we don't have a vsync event to process
// (timestamp==0), but we have some pending
// messages.
signalConnections.add(connection);
}
} else {
// we couldn't promote this reference, the connection has
// died, so clean-up!