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-rw-r--r--services/surfaceflinger/SurfaceFlinger.cpp114
1 files changed, 16 insertions, 98 deletions
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 76762d0..a0e2753 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -80,15 +80,12 @@ const String16 sDump("android.permission.DUMP");
SurfaceFlinger::SurfaceFlinger()
: BnSurfaceComposer(), Thread(false),
mTransactionFlags(0),
- mResizeTransationPending(false),
+ mTransationPending(false),
mLayersRemoved(false),
mBootTime(systemTime()),
mVisibleRegionsDirty(false),
mHwWorkListDirty(false),
- mFreezeDisplay(false),
mElectronBeamAnimationMode(0),
- mFreezeCount(0),
- mFreezeDisplayTime(0),
mDebugRegion(0),
mDebugBackground(0),
mDebugDDMS(0),
@@ -191,11 +188,6 @@ void SurfaceFlinger::binderDied(const wp<IBinder>& who)
{
// the window manager died on us. prepare its eulogy.
- // unfreeze the screen in case it was... frozen
- mFreezeDisplayTime = 0;
- mFreezeCount = 0;
- mFreezeDisplay = false;
-
// reset screen orientation
setOrientation(0, eOrientationDefault, 0);
@@ -323,33 +315,7 @@ void SurfaceFlinger::waitForEvent()
{
while (true) {
nsecs_t timeout = -1;
- const nsecs_t freezeDisplayTimeout = ms2ns(5000);
- if (UNLIKELY(isFrozen())) {
- // wait 5 seconds
- const nsecs_t now = systemTime();
- if (mFreezeDisplayTime == 0) {
- mFreezeDisplayTime = now;
- }
- nsecs_t waitTime = freezeDisplayTimeout - (now - mFreezeDisplayTime);
- timeout = waitTime>0 ? waitTime : 0;
- }
-
sp<MessageBase> msg = mEventQueue.waitMessage(timeout);
-
- // see if we timed out
- if (isFrozen()) {
- const nsecs_t now = systemTime();
- nsecs_t frozenTime = (now - mFreezeDisplayTime);
- if (frozenTime >= freezeDisplayTimeout) {
- // we timed out and are still frozen
- LOGW("timeout expired mFreezeDisplay=%d, mFreezeCount=%d",
- mFreezeDisplay, mFreezeCount);
- mFreezeDisplayTime = 0;
- mFreezeCount = 0;
- mFreezeDisplay = false;
- }
- }
-
if (msg != 0) {
switch (msg->what) {
case MessageQueue::INVALIDATE:
@@ -581,13 +547,6 @@ void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags)
mDirtyRegion.set(hw.bounds());
}
- if (mCurrentState.freezeDisplay != mDrawingState.freezeDisplay) {
- // freezing or unfreezing the display -> trigger animation if needed
- mFreezeDisplay = mCurrentState.freezeDisplay;
- if (mFreezeDisplay)
- mFreezeDisplayTime = 0;
- }
-
if (currentLayers.size() > mDrawingState.layersSortedByZ.size()) {
// layers have been added
mVisibleRegionsDirty = true;
@@ -613,11 +572,6 @@ void SurfaceFlinger::handleTransactionLocked(uint32_t transactionFlags)
commitTransaction();
}
-sp<FreezeLock> SurfaceFlinger::getFreezeLock() const
-{
- return new FreezeLock(const_cast<SurfaceFlinger *>(this));
-}
-
void SurfaceFlinger::computeVisibleRegions(
const LayerVector& currentLayers, Region& dirtyRegion, Region& opaqueRegion)
{
@@ -747,7 +701,7 @@ void SurfaceFlinger::computeVisibleRegions(
void SurfaceFlinger::commitTransaction()
{
mDrawingState = mCurrentState;
- mResizeTransationPending = false;
+ mTransationPending = false;
mTransactionCV.broadcast();
}
@@ -1234,15 +1188,14 @@ uint32_t SurfaceFlinger::setTransactionFlags(uint32_t flags)
void SurfaceFlinger::setTransactionState(const Vector<ComposerState>& state,
- int orientation) {
+ int orientation, uint32_t flags) {
Mutex::Autolock _l(mStateLock);
- uint32_t flags = 0;
+ uint32_t transactionFlags = 0;
if (mCurrentState.orientation != orientation) {
if (uint32_t(orientation)<=eOrientation270 || orientation==42) {
mCurrentState.orientation = orientation;
- flags |= eTransactionNeeded;
- mResizeTransationPending = true;
+ transactionFlags |= eTransactionNeeded;
} else if (orientation != eOrientationUnchanged) {
LOGW("setTransactionState: ignoring unrecognized orientation: %d",
orientation);
@@ -1253,56 +1206,29 @@ void SurfaceFlinger::setTransactionState(const Vector<ComposerState>& state,
for (size_t i=0 ; i<count ; i++) {
const ComposerState& s(state[i]);
sp<Client> client( static_cast<Client *>(s.client.get()) );
- flags |= setClientStateLocked(client, s.state);
+ transactionFlags |= setClientStateLocked(client, s.state);
}
- if (flags) {
- setTransactionFlags(flags);
+ if (transactionFlags) {
+ setTransactionFlags(transactionFlags);
}
- signalEvent();
-
- // if there is a transaction with a resize, wait for it to
- // take effect before returning.
- while (mResizeTransationPending) {
+ // if this is a synchronous transaction, wait for it to take effect before
+ // returning.
+ if (flags & eSynchronous) {
+ mTransationPending = true;
+ }
+ while (mTransationPending) {
status_t err = mTransactionCV.waitRelative(mStateLock, s2ns(5));
if (CC_UNLIKELY(err != NO_ERROR)) {
// just in case something goes wrong in SF, return to the
// called after a few seconds.
LOGW_IF(err == TIMED_OUT, "closeGlobalTransaction timed out!");
- mResizeTransationPending = false;
+ mTransationPending = false;
break;
}
}
}
-status_t SurfaceFlinger::freezeDisplay(DisplayID dpy, uint32_t flags)
-{
- if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
- return BAD_VALUE;
-
- Mutex::Autolock _l(mStateLock);
- mCurrentState.freezeDisplay = 1;
- setTransactionFlags(eTransactionNeeded);
-
- // flags is intended to communicate some sort of animation behavior
- // (for instance fading)
- return NO_ERROR;
-}
-
-status_t SurfaceFlinger::unfreezeDisplay(DisplayID dpy, uint32_t flags)
-{
- if (UNLIKELY(uint32_t(dpy) >= DISPLAY_COUNT))
- return BAD_VALUE;
-
- Mutex::Autolock _l(mStateLock);
- mCurrentState.freezeDisplay = 0;
- setTransactionFlags(eTransactionNeeded);
-
- // flags is intended to communicate some sort of animation behavior
- // (for instance fading)
- return NO_ERROR;
-}
-
int SurfaceFlinger::setOrientation(DisplayID dpy,
int orientation, uint32_t flags)
{
@@ -1503,7 +1429,6 @@ uint32_t SurfaceFlinger::setClientStateLocked(
if (what & eSizeChanged) {
if (layer->setSize(s.w, s.h)) {
flags |= eTraversalNeeded;
- mResizeTransationPending = true;
}
}
if (what & eAlphaChanged) {
@@ -1623,8 +1548,7 @@ status_t SurfaceFlinger::dump(int fd, const Vector<String16>& args)
mWormholeRegion.dump(result, "WormholeRegion");
const DisplayHardware& hw(graphicPlane(0).displayHardware());
snprintf(buffer, SIZE,
- " display frozen: %s, freezeCount=%d, orientation=%d, canDraw=%d\n",
- mFreezeDisplay?"yes":"no", mFreezeCount,
+ " orientation=%d, canDraw=%d\n",
mCurrentState.orientation, hw.canDraw());
result.append(buffer);
snprintf(buffer, SIZE,
@@ -1677,8 +1601,6 @@ status_t SurfaceFlinger::onTransact(
case CREATE_CONNECTION:
case SET_TRANSACTION_STATE:
case SET_ORIENTATION:
- case FREEZE_DISPLAY:
- case UNFREEZE_DISPLAY:
case BOOT_FINISHED:
case TURN_ELECTRON_BEAM_OFF:
case TURN_ELECTRON_BEAM_ON:
@@ -1750,10 +1672,6 @@ status_t SurfaceFlinger::onTransact(
GraphicLog::getInstance().setEnabled(enabled);
return NO_ERROR;
}
- case 1007: // set mFreezeCount
- mFreezeCount = data.readInt32();
- mFreezeDisplayTime = 0;
- return NO_ERROR;
case 1008: // toggle use of hw composer
n = data.readInt32();
mDebugDisableHWC = n ? 1 : 0;
generated by cgit v1.1 at 2025-08-15 18:12:36 +0000