void BufferQueueCore::freeAllBuffersLocked() {
for (int s : mFreeSlots) {
clearBufferSlotLocked(s);
}
for (int s : mFreeBuffers) {
mFreeSlots.insert(s);
clearBufferSlotLocked(s);
}
mFreeBuffers.clear();
for (int s : mActiveBuffers) {
mFreeSlots.insert(s);
clearBufferSlotLocked(s);
}
mActiveBuffers.clear();
for (auto& b : mQueue) {
b.mIsStale = true;
// We set this to false to force the BufferQueue to resend the buffer
// handle upon acquire, since if we're here due to a producer
// disconnect, the consumer will have been told to purge its cache of
// slot-to-buffer-handle mappings and will not be able to otherwise
// obtain a valid buffer handle.
b.mAcquireCalled = false;
}
VALIDATE_CONSISTENCY();
}
void BufferQueueCore::discardFreeBuffersLocked() {
for (int s : mFreeBuffers) {
mFreeSlots.insert(s);
clearBufferSlotLocked(s);
}
mFreeBuffers.clear();
VALIDATE_CONSISTENCY();
}
void BufferQueueCore::freeAllBuffersLocked() {
for (int s : mFreeSlots) {
clearBufferSlotLocked(s);
}
for (int s : mFreeBuffers) {
mFreeSlots.insert(s);
clearBufferSlotLocked(s);
}
mFreeBuffers.clear();
for (int s : mActiveBuffers) {
mFreeSlots.insert(s);
clearBufferSlotLocked(s);
}
mActiveBuffers.clear();
for (auto& b : mQueue) {
b.mIsStale = true;
}
VALIDATE_CONSISTENCY();
}