| // Copyright 2023 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "dawn/native/d3d/QueueD3D.h" |
| |
| #include <algorithm> |
| #include <utility> |
| |
| #include "dawn/native/WaitAnySystemEvent.h" |
| |
| namespace dawn::native::d3d { |
| |
| Queue::~Queue() = default; |
| |
| ResultOrError<SystemEventReceiver> Queue::GetSystemEventReceiver() { |
| SystemEventReceiver receiver; |
| bool result = mAvailableEventReceivers.Use([&](auto receivers) -> auto { |
| if (receivers->empty()) { |
| return false; |
| } |
| receiver = std::move(receivers->back()); |
| receivers->pop_back(); |
| return true; |
| }); |
| if (!result) { |
| HANDLE fenceEvent = |
| ::CreateEvent(nullptr, /*bManualReset=*/true, /*bInitialState=*/false, nullptr); |
| if (fenceEvent == nullptr) { |
| return DAWN_INTERNAL_ERROR("CreateEvent failed"); |
| } |
| receiver = SystemEventReceiver(SystemHandle::Acquire(fenceEvent)); |
| } |
| |
| return receiver; |
| } |
| |
| MaybeError Queue::ReturnSystemEventReceivers(std::vector<SystemEventReceiver> receivers) { |
| for (const auto& receiver : receivers) { |
| if (!ResetEvent(receiver.GetPrimitive().Get())) { |
| return DAWN_INTERNAL_ERROR("ResetEvent failed"); |
| } |
| } |
| mAvailableEventReceivers.Use([&](auto availableEventReceivers) { |
| size_t count = |
| std::min(receivers.size(), kMaxEventReceivers - availableEventReceivers->size()); |
| availableEventReceivers->insert(availableEventReceivers->end(), |
| std::make_move_iterator(receivers.begin()), |
| std::make_move_iterator(receivers.begin() + count)); |
| }); |
| return {}; |
| } |
| |
| ResultOrError<bool> Queue::WaitForQueueSerial(ExecutionSerial serial, Nanoseconds timeout) { |
| ExecutionSerial completedSerial = GetCompletedCommandSerial(); |
| if (serial <= completedSerial) { |
| return true; |
| } |
| |
| auto receiver = mSystemEventReceivers->TakeOne(serial); |
| if (!receiver) { |
| DAWN_TRY_ASSIGN(receiver, GetSystemEventReceiver()); |
| SetEventOnCompletion(serial, receiver->GetPrimitive().Get()); |
| } |
| |
| bool ready = false; |
| std::array<std::pair<const dawn::native::SystemEventReceiver&, bool*>, 1> events{ |
| {{*receiver, &ready}}}; |
| DAWN_ASSERT(serial <= GetLastSubmittedCommandSerial()); |
| bool didComplete = WaitAnySystemEvent(events.begin(), events.end(), timeout); |
| // Return the SystemEventReceiver to the pool of receivers so it can be re-waited in the |
| // future. |
| // The caller should call CheckPassedSerials() which will clear passed system events. |
| mSystemEventReceivers->Enqueue(std::move(*receiver), serial); |
| |
| return didComplete; |
| } |
| |
| MaybeError Queue::RecycleSystemEventReceivers(ExecutionSerial completedSerial) { |
| std::vector<SystemEventReceiver> receivers; |
| mSystemEventReceivers.Use([&](auto systemEventReceivers) { |
| for (auto& receiver : systemEventReceivers->IterateUpTo(completedSerial)) { |
| receivers.emplace_back(std::move(receiver)); |
| } |
| systemEventReceivers->ClearUpTo(completedSerial); |
| }); |
| |
| DAWN_TRY(ReturnSystemEventReceivers(std::move(receivers))); |
| |
| return {}; |
| } |
| |
| } // namespace dawn::native::d3d |