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libgui: Clear frame number while freeing slot 

Clears the frame number of a slot when it is freed, since it is used
to determine if a released buffer is stale.

Bug: 20445852
Change-Id: I02415e7b25a1eafe7414d6eb1cedf62ac5543cd9
(cherry picked from commit 52937cd9a5)
This commit is contained in:
Dan Stoza 2015-05-01 16:42:55 -07:00
parent dfe7e7e63f
commit 24056507af
2 changed files with 4 additions and 1 deletions
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4
libs/gui/BufferQueueConsumer.cpp
View File

@ -306,6 +306,8 @@ status_t BufferQueueConsumer::releaseBuffer(int slot, uint64_t frameNumber,
if (slot < 0 || slot >= BufferQueueDefs::NUM_BUFFER_SLOTS ||
releaseFence == NULL) {
BQ_LOGE("releaseBuffer: slot %d out of range or fence %p NULL", slot,
releaseFence.get());
return BAD_VALUE;
}
@ -344,7 +346,7 @@ status_t BufferQueueConsumer::releaseBuffer(int slot, uint64_t frameNumber,
mSlots[slot].mNeedsCleanupOnRelease = false;
return STALE_BUFFER_SLOT;
} else {
BQ_LOGV("releaseBuffer: attempted to release buffer slot %d "
BQ_LOGE("releaseBuffer: attempted to release buffer slot %d "
"but its state was %d", slot, mSlots[slot].mBufferState);
return BAD_VALUE;
}

1
libs/gui/BufferQueueCore.cpp
View File

@ -214,6 +214,7 @@ void BufferQueueCore::freeBufferLocked(int slot) {
}
mSlots[slot].mBufferState = BufferSlot::FREE;
mSlots[slot].mAcquireCalled = false;
mSlots[slot].mFrameNumber = 0;
// Destroy fence as BufferQueue now takes ownership
if (mSlots[slot].mEglFence != EGL_NO_SYNC_KHR) {