| // Copyright 2019 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "dawn_wire/client/Fence.h" |
| |
| #include "dawn_wire/client/ApiProcs_autogen.h" |
| |
| namespace dawn_wire { namespace client { |
| |
| Fence::~Fence() { |
| // Callbacks need to be fired in all cases, as they can handle freeing resources |
| // so we call them with "Unknown" status. |
| for (auto& request : mRequests.IterateAll()) { |
| request.completionCallback(WGPUFenceCompletionStatus_Unknown, request.userdata); |
| } |
| mRequests.Clear(); |
| } |
| |
| void Fence::Initialize(Queue* queue, const WGPUFenceDescriptor* descriptor) { |
| mQueue = queue; |
| |
| uint64_t initialValue = descriptor != nullptr ? descriptor->initialValue : 0u; |
| mSignaledValue = initialValue; |
| mCompletedValue = initialValue; |
| } |
| |
| void Fence::CheckPassedFences() { |
| for (auto& request : mRequests.IterateUpTo(mCompletedValue)) { |
| request.completionCallback(WGPUFenceCompletionStatus_Success, request.userdata); |
| } |
| mRequests.ClearUpTo(mCompletedValue); |
| } |
| |
| void Fence::OnCompletion(uint64_t value, |
| WGPUFenceOnCompletionCallback callback, |
| void* userdata) { |
| if (value > mSignaledValue) { |
| ClientDeviceInjectError(reinterpret_cast<WGPUDevice>(device), WGPUErrorType_Validation, |
| "Value greater than fence signaled value"); |
| callback(WGPUFenceCompletionStatus_Error, userdata); |
| return; |
| } |
| |
| if (value <= mCompletedValue) { |
| callback(WGPUFenceCompletionStatus_Success, userdata); |
| return; |
| } |
| |
| Fence::OnCompletionData request; |
| request.completionCallback = callback; |
| request.userdata = userdata; |
| mRequests.Enqueue(std::move(request), value); |
| } |
| |
| void Fence::OnUpdateCompletedValueCallback(uint64_t value) { |
| mCompletedValue = value; |
| CheckPassedFences(); |
| } |
| |
| uint64_t Fence::GetCompletedValue() const { |
| return mCompletedValue; |
| } |
| |
| uint64_t Fence::GetSignaledValue() const { |
| return mSignaledValue; |
| } |
| |
| Queue* Fence::GetQueue() const { |
| return mQueue; |
| } |
| |
| void Fence::SetSignaledValue(uint64_t value) { |
| mSignaledValue = value; |
| } |
| |
| }} // namespace dawn_wire::client |