status_t VirtualDisplaySurface::connect(const sp<IBinder>& token,
int api, bool producerControlledByApp,
QueueBufferOutput* output) {
QueueBufferOutput qbo;
status_t result = mSource[SOURCE_SINK]->connect(token, api, producerControlledByApp, &qbo);
if (result == NO_ERROR) {
updateQueueBufferOutput(qbo);
*output = mQueueBufferOutput;
}
return result;
}
void VirtualDisplaySurface::onFrameCommitted() {
if (mDisplayId < 0)
return;
VDS_LOGW_IF(mDbgState != DBG_STATE_HWC,
"Unexpected onFrameCommitted() in %s state", dbgStateStr());
mDbgState = DBG_STATE_IDLE;
sp<Fence> fbFence = mHwc.getAndResetReleaseFence(mDisplayId);
if (mFbProducerSlot >= 0) {
// release the scratch buffer back to the pool
Mutex::Autolock lock(mMutex);
int sslot = mapProducer2SourceSlot(SOURCE_SCRATCH, mFbProducerSlot);
VDS_LOGV("onFrameCommitted: release scratch sslot=%d", sslot);
addReleaseFenceLocked(sslot, mProducerBuffers[mFbProducerSlot], fbFence);
releaseBufferLocked(sslot, mProducerBuffers[mFbProducerSlot],
EGL_NO_DISPLAY, EGL_NO_SYNC_KHR);
}
if (mOutputProducerSlot >= 0) {
int sslot = mapProducer2SourceSlot(SOURCE_SINK, mOutputProducerSlot);
QueueBufferOutput qbo;
sp<Fence> outFence = mHwc.getLastRetireFence(mDisplayId);
VDS_LOGV("onFrameCommitted: queue sink sslot=%d", sslot);
// Allow queuing to sink buffer if mMustRecompose is true or
// mForceHwcCopy is true. This is required to support Miracast WFD Sink
// Initiatied Pause/Resume feature support
if (mForceHwcCopy || mMustRecompose) {
status_t result = mSource[SOURCE_SINK]->queueBuffer(sslot,
QueueBufferInput(
systemTime(), false /* isAutoTimestamp */,
Rect(mSinkBufferWidth, mSinkBufferHeight),
NATIVE_WINDOW_SCALING_MODE_FREEZE, 0 /* transform */,
true /* async*/,
outFence),
&qbo);
if (result == NO_ERROR) {
updateQueueBufferOutput(qbo);
}
} else {
// If the surface hadn't actually been updated, then we only went
// through the motions of updating the display to keep our state
// machine happy. We cancel the buffer to avoid triggering another
// re-composition and causing an infinite loop.
mSource[SOURCE_SINK]->cancelBuffer(sslot, outFence);
}
}
resetPerFrameState();
}
void VirtualDisplaySurface::onFrameCommitted() {
if (mDisplayId < 0)
return;
VDS_LOGW_IF(mDbgState != DBG_STATE_HWC,
"Unexpected onFrameCommitted() in %s state", dbgStateStr());
mDbgState = DBG_STATE_IDLE;
sp<Fence> fbFence = mHwc.getAndResetReleaseFence(mDisplayId);
if (mCompositionType == COMPOSITION_MIXED && mFbProducerSlot >= 0) {
// release the scratch buffer back to the pool
Mutex::Autolock lock(mMutex);
int sslot = mapProducer2SourceSlot(SOURCE_SCRATCH, mFbProducerSlot);
VDS_LOGV("onFrameCommitted: release scratch sslot=%d", sslot);
addReleaseFenceLocked(sslot, mProducerBuffers[mFbProducerSlot], fbFence);
releaseBufferLocked(sslot, mProducerBuffers[mFbProducerSlot],
EGL_NO_DISPLAY, EGL_NO_SYNC_KHR);
}
if (mOutputProducerSlot >= 0) {
int sslot = mapProducer2SourceSlot(SOURCE_SINK, mOutputProducerSlot);
QueueBufferOutput qbo;
sp<Fence> outFence = mHwc.getLastRetireFence(mDisplayId);
VDS_LOGV("onFrameCommitted: queue sink sslot=%d", sslot);
status_t result = mSource[SOURCE_SINK]->queueBuffer(sslot,
QueueBufferInput(
systemTime(), false /* isAutoTimestamp */,
Rect(mSinkBufferWidth, mSinkBufferHeight),
NATIVE_WINDOW_SCALING_MODE_FREEZE, 0 /* transform */,
true /* async*/,
outFence),
&qbo);
if (result == NO_ERROR) {
updateQueueBufferOutput(qbo);
}
}
resetPerFrameState();
}