void
ParamTraits<FenceHandle>::Write(Message* aMsg,
const paramType& aParam)
{
FenceHandle handle = aParam;
MOZ_ASSERT(handle.IsValid());
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
RefPtr<FenceHandle::FdObj> fence = handle.GetAndResetFdObj();
aMsg->WriteFileDescriptor(base::FileDescriptor(fence->GetAndResetFd(), true));
#endif
}
bool
HwcComposer2D::Commit(nsScreenGonk* aScreen)
{
for (uint32_t j=0; j < (mList->numHwLayers - 1); j++) {
mList->hwLayers[j].acquireFenceFd = -1;
if (mHwcLayerMap.IsEmpty() ||
(mList->hwLayers[j].compositionType == HWC_FRAMEBUFFER)) {
continue;
}
LayerRenderState state = mHwcLayerMap[j]->GetLayer()->GetRenderState();
if (!state.mTexture) {
continue;
}
FenceHandle fence = state.mTexture->GetAndResetAcquireFenceHandle();
if (fence.IsValid()) {
RefPtr<FenceHandle::FdObj> fdObj = fence.GetAndResetFdObj();
mList->hwLayers[j].acquireFenceFd = fdObj->GetAndResetFd();
}
}
int err = mHal->Set(mList, aScreen->GetDisplayType());
mPrevRetireFence.TransferToAnotherFenceHandle(mPrevDisplayFence);
for (uint32_t j=0; j < (mList->numHwLayers - 1); j++) {
if (mList->hwLayers[j].releaseFenceFd >= 0) {
int fd = mList->hwLayers[j].releaseFenceFd;
mList->hwLayers[j].releaseFenceFd = -1;
RefPtr<FenceHandle::FdObj> fdObj = new FenceHandle::FdObj(fd);
FenceHandle fence(fdObj);
LayerRenderState state = mHwcLayerMap[j]->GetLayer()->GetRenderState();
if (!state.mTexture) {
continue;
}
state.mTexture->SetReleaseFenceHandle(fence);
}
}
if (mList->retireFenceFd >= 0) {
mPrevRetireFence = FenceHandle(new FenceHandle::FdObj(mList->retireFenceFd));
}
// Set DisplaySurface layer fence
DisplaySurface* displaySurface = aScreen->GetDisplaySurface();
displaySurface->setReleaseFenceFd(mList->hwLayers[mList->numHwLayers - 1].releaseFenceFd);
mList->hwLayers[mList->numHwLayers - 1].releaseFenceFd = -1;
mPrepared = false;
return !err;
}
void GonkNativeWindow::returnBuffer(TextureClient* client) {
ALOGD("GonkNativeWindow::returnBuffer");
Mutex::Autolock lock(mMutex);
int index = mConsumer->getSlotFromTextureClientLocked(client);
if (index < 0) {
return;
}
FenceHandle handle = client->GetAndResetReleaseFenceHandle();
nsRefPtr<FenceHandle::FdObj> fdObj = handle.GetAndResetFdObj();
sp<Fence> fence = new Fence(fdObj->GetAndResetFd());
status_t err;
err = addReleaseFenceLocked(index,
mSlots[index].mGraphicBuffer,
fence);
err = releaseBufferLocked(index, mSlots[index].mGraphicBuffer);
if (err != OK) {
ALOGE("Failed to return buffer: %s (%d)", strerror(-err), err);
}
}