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[SYCL][L0] Fix use of copy-engines in L0 interop queue #5579

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Merged
bader merged 1 commit into from
Feb 16, 2022
Merged

[SYCL][L0] Fix use of copy-engines in L0 interop queue #5579

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8 changes: 5 additions & 3 deletions sycl/plugins/level_zero/pi_level_zero.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3333,7 +3333,8 @@ pi_result piextQueueCreateWithNativeHandle(pi_native_handle NativeHandle,
// TODO: see if we need to let user choose the device.
pi_device Device = Context->Devices[0];
// TODO: see what we can do to correctly initialize PI queue for
// compute vs. copy Level-Zero queue.
// compute vs. copy Level-Zero queue. Currently we will send
// all commands to the "ZeQueue".
std::vector<ze_command_queue_handle_t> ZeroCopyQueues;
*Queue =
new _pi_queue(ZeQueue, ZeroCopyQueues, Context, Device, OwnNativeHandle);
Expand Down Expand Up @@ -5755,8 +5756,9 @@ pi_result piEnqueueMemBufferReadRect(
} // extern "C"

bool _pi_queue::useCopyEngine(bool PreferCopyEngine) const {
return (!isInOrderQueue() || UseCopyEngineForInOrderQueue) &&
PreferCopyEngine && Device->hasCopyEngine();
return PreferCopyEngine && Device->hasCopyEngine() &&
ZeCopyCommandQueues.size() > 0 && // TODO: initialize interop queues
(!isInOrderQueue() || UseCopyEngineForInOrderQueue);
}

// Shared by all memory read/write/copy PI interfaces.
Expand Down