| // 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_native/d3d12/CommandRecordingContext.h" |
| #include "dawn_native/d3d12/CommandAllocatorManager.h" |
| |
| namespace dawn_native { namespace d3d12 { |
| |
| MaybeError CommandRecordingContext::Open(ID3D12Device* d3d12Device, |
| CommandAllocatorManager* commandAllocationManager) { |
| ASSERT(!IsOpen()); |
| if (mD3d12CommandList != nullptr) { |
| const HRESULT hr = mD3d12CommandList->Reset( |
| commandAllocationManager->ReserveCommandAllocator().Get(), nullptr); |
| if (FAILED(hr)) { |
| mD3d12CommandList.Reset(); |
| return DAWN_DEVICE_LOST_ERROR("Error resetting command list."); |
| } |
| } else { |
| ComPtr<ID3D12GraphicsCommandList> d3d12GraphicsCommandList; |
| const HRESULT hr = d3d12Device->CreateCommandList( |
| 0, D3D12_COMMAND_LIST_TYPE_DIRECT, |
| commandAllocationManager->ReserveCommandAllocator().Get(), nullptr, |
| IID_PPV_ARGS(&d3d12GraphicsCommandList)); |
| if (FAILED(hr)) { |
| return DAWN_DEVICE_LOST_ERROR("Error creating a direct command list."); |
| } |
| mD3d12CommandList = std::move(d3d12GraphicsCommandList); |
| } |
| |
| mIsOpen = true; |
| |
| return {}; |
| } |
| |
| ResultOrError<ID3D12GraphicsCommandList*> CommandRecordingContext::Close() { |
| ASSERT(IsOpen()); |
| mIsOpen = false; |
| const HRESULT hr = mD3d12CommandList->Close(); |
| if (FAILED(hr)) { |
| mD3d12CommandList.Reset(); |
| return DAWN_DEVICE_LOST_ERROR("Error closing pending command list."); |
| } |
| return mD3d12CommandList.Get(); |
| } |
| |
| ID3D12GraphicsCommandList* CommandRecordingContext::GetCommandList() const { |
| ASSERT(mD3d12CommandList != nullptr); |
| ASSERT(IsOpen()); |
| return mD3d12CommandList.Get(); |
| } |
| |
| void CommandRecordingContext::Release() { |
| mD3d12CommandList.Reset(); |
| mIsOpen = false; |
| } |
| |
| bool CommandRecordingContext::IsOpen() const { |
| return mIsOpen; |
| } |
| |
| }} // namespace dawn_native::d3d12 |