mirror of
https://github.com/encounter/dawn-cmake.git
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839053b90c
This initial reasoning for having a u64 userdata was to be able to pack two u32s in a single userdata but that was never used, and made a bunch of code uglier than it should. BUG=dawn:160 Change-Id: Ia0d20bc23f09f5d8f3748ca4edd1a331604f2ba8 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7561 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org>
123 lines
3.7 KiB
C++
123 lines
3.7 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/Fence.h"
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#include "common/Assert.h"
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#include "dawn_native/Device.h"
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#include "dawn_native/Queue.h"
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#include "dawn_native/ValidationUtils_autogen.h"
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#include <utility>
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namespace dawn_native {
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MaybeError ValidateFenceDescriptor(const FenceDescriptor* descriptor) {
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if (descriptor->nextInChain != nullptr) {
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return DAWN_VALIDATION_ERROR("nextInChain must be nullptr");
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}
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return {};
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}
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// Fence
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FenceBase::FenceBase(QueueBase* queue, const FenceDescriptor* descriptor)
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: ObjectBase(queue->GetDevice()),
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mSignalValue(descriptor->initialValue),
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mCompletedValue(descriptor->initialValue),
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mQueue(queue) {
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}
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FenceBase::FenceBase(DeviceBase* device, ObjectBase::ErrorTag tag) : ObjectBase(device, tag) {
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}
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FenceBase::~FenceBase() {
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for (auto& request : mRequests.IterateAll()) {
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ASSERT(!IsError());
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request.completionCallback(DAWN_FENCE_COMPLETION_STATUS_UNKNOWN, request.userdata);
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}
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mRequests.Clear();
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}
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// static
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FenceBase* FenceBase::MakeError(DeviceBase* device) {
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return new FenceBase(device, ObjectBase::kError);
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}
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uint64_t FenceBase::GetCompletedValue() const {
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if (IsError()) {
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return 0;
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}
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return mCompletedValue;
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}
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void FenceBase::OnCompletion(uint64_t value,
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dawn::FenceOnCompletionCallback callback,
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void* userdata) {
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if (GetDevice()->ConsumedError(ValidateOnCompletion(value))) {
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callback(DAWN_FENCE_COMPLETION_STATUS_ERROR, userdata);
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return;
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}
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ASSERT(!IsError());
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if (value <= mCompletedValue) {
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callback(DAWN_FENCE_COMPLETION_STATUS_SUCCESS, userdata);
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return;
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}
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OnCompletionData request;
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request.completionCallback = callback;
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request.userdata = userdata;
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mRequests.Enqueue(std::move(request), value);
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}
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uint64_t FenceBase::GetSignaledValue() const {
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ASSERT(!IsError());
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return mSignalValue;
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}
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const QueueBase* FenceBase::GetQueue() const {
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ASSERT(!IsError());
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return mQueue.Get();
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}
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void FenceBase::SetSignaledValue(uint64_t signalValue) {
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ASSERT(!IsError());
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ASSERT(signalValue > mSignalValue);
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mSignalValue = signalValue;
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}
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void FenceBase::SetCompletedValue(uint64_t completedValue) {
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ASSERT(!IsError());
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ASSERT(completedValue <= mSignalValue);
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ASSERT(completedValue > mCompletedValue);
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mCompletedValue = completedValue;
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for (auto& request : mRequests.IterateUpTo(mCompletedValue)) {
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request.completionCallback(DAWN_FENCE_COMPLETION_STATUS_SUCCESS, request.userdata);
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}
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mRequests.ClearUpTo(mCompletedValue);
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}
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MaybeError FenceBase::ValidateOnCompletion(uint64_t value) const {
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DAWN_TRY(GetDevice()->ValidateObject(this));
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if (value > mSignalValue) {
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return DAWN_VALIDATION_ERROR("Value greater than fence signaled value");
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}
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return {};
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}
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} // namespace dawn_native
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