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https://github.com/encounter/dawn-cmake.git
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f0b761f116
This change implements timeline fences in Dawn. It includes methods and descriptor members to eventually support multi-queue, but does not implement them. Bug: dawn:26 Change-Id: I81d5fee6acef402fe099227a034d9669a89ab6c3 Reviewed-on: https://dawn-review.googlesource.com/c/2460 Commit-Queue: Austin Eng <enga@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org>
44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
// Copyright 2018 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn_native/FenceSignalTracker.h"
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#include "dawn_native/Device.h"
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#include "dawn_native/Fence.h"
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namespace dawn_native {
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FenceSignalTracker::FenceSignalTracker(DeviceBase* device) : mDevice(device) {
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}
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FenceSignalTracker::~FenceSignalTracker() {
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ASSERT(mFencesInFlight.Empty());
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}
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void FenceSignalTracker::UpdateFenceOnComplete(FenceBase* fence, uint64_t value) {
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// Because we currently only have a single queue, we can simply update
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// the fence completed value once the last submitted serial has passed.
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mFencesInFlight.Enqueue(FenceInFlight{fence, value},
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mDevice->GetLastSubmittedCommandSerial());
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}
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void FenceSignalTracker::Tick(Serial finishedSerial) {
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for (auto& fenceInFlight : mFencesInFlight.IterateUpTo(finishedSerial)) {
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fenceInFlight.fence->SetCompletedValue(fenceInFlight.value);
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}
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mFencesInFlight.ClearUpTo(finishedSerial);
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}
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} // namespace dawn_native
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