| // Copyright 2020 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/native/d3d12/PageableD3D12.h" |
| |
| namespace dawn::native::d3d12 { |
| Pageable::Pageable(ComPtr<ID3D12Pageable> d3d12Pageable, |
| MemorySegment memorySegment, |
| uint64_t size) |
| : mD3d12Pageable(std::move(d3d12Pageable)), mMemorySegment(memorySegment), mSize(size) { |
| } |
| |
| // When a pageable is destroyed, it no longer resides in resident memory, so we must evict |
| // it from the LRU cache. If this heap is not manually removed from the LRU-cache, the |
| // ResidencyManager will attempt to use it after it has been deallocated. |
| Pageable::~Pageable() { |
| if (IsInResidencyLRUCache()) { |
| RemoveFromList(); |
| } |
| } |
| |
| ID3D12Pageable* Pageable::GetD3D12Pageable() const { |
| return mD3d12Pageable.Get(); |
| } |
| |
| ExecutionSerial Pageable::GetLastUsage() const { |
| return mLastUsage; |
| } |
| |
| void Pageable::SetLastUsage(ExecutionSerial serial) { |
| mLastUsage = serial; |
| } |
| |
| ExecutionSerial Pageable::GetLastSubmission() const { |
| return mLastSubmission; |
| } |
| |
| void Pageable::SetLastSubmission(ExecutionSerial serial) { |
| mLastSubmission = serial; |
| } |
| |
| MemorySegment Pageable::GetMemorySegment() const { |
| return mMemorySegment; |
| } |
| |
| uint64_t Pageable::GetSize() const { |
| return mSize; |
| } |
| |
| bool Pageable::IsInResidencyLRUCache() const { |
| return IsInList(); |
| } |
| |
| void Pageable::IncrementResidencyLock() { |
| mResidencyLockRefCount++; |
| } |
| |
| void Pageable::DecrementResidencyLock() { |
| mResidencyLockRefCount--; |
| } |
| |
| bool Pageable::IsResidencyLocked() const { |
| return mResidencyLockRefCount != 0; |
| } |
| } // namespace dawn::native::d3d12 |