| // 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. |
| |
| // D3D12Backend.cpp: contains the definition of symbols exported by D3D12Backend.h so that they |
| // can be compiled twice: once export (shared library), once not exported (static library) |
| |
| #include "dawn_native/D3D12Backend.h" |
| |
| #include "common/Log.h" |
| #include "common/Math.h" |
| #include "common/SwapChainUtils.h" |
| #include "dawn_native/d3d12/D3D11on12Util.h" |
| #include "dawn_native/d3d12/DeviceD3D12.h" |
| #include "dawn_native/d3d12/NativeSwapChainImplD3D12.h" |
| #include "dawn_native/d3d12/ResidencyManagerD3D12.h" |
| #include "dawn_native/d3d12/TextureD3D12.h" |
| |
| namespace dawn_native { namespace d3d12 { |
| |
| ComPtr<ID3D12Device> GetD3D12Device(WGPUDevice device) { |
| Device* backendDevice = reinterpret_cast<Device*>(device); |
| |
| return backendDevice->GetD3D12Device(); |
| } |
| |
| DawnSwapChainImplementation CreateNativeSwapChainImpl(WGPUDevice device, HWND window) { |
| Device* backendDevice = reinterpret_cast<Device*>(device); |
| |
| DawnSwapChainImplementation impl; |
| impl = CreateSwapChainImplementation(new NativeSwapChainImpl(backendDevice, window)); |
| impl.textureUsage = WGPUTextureUsage_Present; |
| |
| return impl; |
| } |
| |
| WGPUTextureFormat GetNativeSwapChainPreferredFormat( |
| const DawnSwapChainImplementation* swapChain) { |
| NativeSwapChainImpl* impl = reinterpret_cast<NativeSwapChainImpl*>(swapChain->userData); |
| return static_cast<WGPUTextureFormat>(impl->GetPreferredFormat()); |
| } |
| |
| ExternalImageDescriptorDXGISharedHandle::ExternalImageDescriptorDXGISharedHandle() |
| : ExternalImageDescriptor(ExternalImageType::DXGISharedHandle) { |
| } |
| |
| ExternalImageDXGI::ExternalImageDXGI(ComPtr<ID3D12Resource> d3d12Resource, |
| const WGPUTextureDescriptor* descriptor) |
| : mD3D12Resource(std::move(d3d12Resource)), |
| mUsage(descriptor->usage), |
| mDimension(descriptor->dimension), |
| mSize(descriptor->size), |
| mFormat(descriptor->format), |
| mMipLevelCount(descriptor->mipLevelCount), |
| mSampleCount(descriptor->sampleCount) { |
| ASSERT(!descriptor->nextInChain || |
| descriptor->nextInChain->sType == WGPUSType_DawnTextureInternalUsageDescriptor); |
| if (descriptor->nextInChain) { |
| mUsageInternal = reinterpret_cast<const WGPUDawnTextureInternalUsageDescriptor*>( |
| descriptor->nextInChain) |
| ->internalUsage; |
| } |
| mD3D11on12ResourceCache = std::make_unique<D3D11on12ResourceCache>(); |
| } |
| |
| ExternalImageDXGI::~ExternalImageDXGI() = default; |
| |
| WGPUTexture ExternalImageDXGI::ProduceTexture( |
| WGPUDevice device, |
| const ExternalImageAccessDescriptorDXGIKeyedMutex* descriptor) { |
| Device* backendDevice = reinterpret_cast<Device*>(device); |
| |
| // Ensure the texture usage is allowed |
| if (!IsSubset(descriptor->usage, mUsage)) { |
| dawn::ErrorLog() << "Texture usage is not valid for external image"; |
| return nullptr; |
| } |
| |
| TextureDescriptor textureDescriptor = {}; |
| textureDescriptor.usage = static_cast<wgpu::TextureUsage>(descriptor->usage); |
| textureDescriptor.dimension = static_cast<wgpu::TextureDimension>(mDimension); |
| textureDescriptor.size = {mSize.width, mSize.height, mSize.depthOrArrayLayers}; |
| textureDescriptor.format = static_cast<wgpu::TextureFormat>(mFormat); |
| textureDescriptor.mipLevelCount = mMipLevelCount; |
| textureDescriptor.sampleCount = mSampleCount; |
| |
| DawnTextureInternalUsageDescriptor internalDesc = {}; |
| if (mUsageInternal) { |
| textureDescriptor.nextInChain = &internalDesc; |
| internalDesc.internalUsage = static_cast<wgpu::TextureUsage>(mUsageInternal); |
| internalDesc.sType = wgpu::SType::DawnTextureInternalUsageDescriptor; |
| } |
| |
| Ref<D3D11on12ResourceCacheEntry> d3d11on12Resource = |
| mD3D11on12ResourceCache->GetOrCreateD3D11on12Resource(device, mD3D12Resource.Get()); |
| if (d3d11on12Resource == nullptr) { |
| dawn::ErrorLog() << "Unable to create 11on12 resource for external image"; |
| return nullptr; |
| } |
| |
| Ref<TextureBase> texture = backendDevice->CreateExternalTexture( |
| &textureDescriptor, mD3D12Resource, std::move(d3d11on12Resource), |
| ExternalMutexSerial(descriptor->acquireMutexKey), |
| ExternalMutexSerial(descriptor->releaseMutexKey), descriptor->isSwapChainTexture, |
| descriptor->isInitialized); |
| |
| return reinterpret_cast<WGPUTexture>(texture.Detach()); |
| } |
| |
| // static |
| std::unique_ptr<ExternalImageDXGI> ExternalImageDXGI::Create( |
| WGPUDevice device, |
| const ExternalImageDescriptorDXGISharedHandle* descriptor) { |
| Device* backendDevice = reinterpret_cast<Device*>(device); |
| |
| Microsoft::WRL::ComPtr<ID3D12Resource> d3d12Resource; |
| if (FAILED(backendDevice->GetD3D12Device()->OpenSharedHandle( |
| descriptor->sharedHandle, IID_PPV_ARGS(&d3d12Resource)))) { |
| return nullptr; |
| } |
| |
| const TextureDescriptor* textureDescriptor = |
| reinterpret_cast<const TextureDescriptor*>(descriptor->cTextureDescriptor); |
| |
| if (backendDevice->ConsumedError( |
| ValidateTextureDescriptor(backendDevice, textureDescriptor))) { |
| return nullptr; |
| } |
| |
| if (backendDevice->ConsumedError( |
| ValidateTextureDescriptorCanBeWrapped(textureDescriptor), |
| "validating that a D3D12 external image can be wrapped with %s", |
| textureDescriptor)) { |
| return nullptr; |
| } |
| |
| if (backendDevice->ConsumedError( |
| ValidateD3D12TextureCanBeWrapped(d3d12Resource.Get(), textureDescriptor))) { |
| return nullptr; |
| } |
| |
| // Shared handle is assumed to support resource sharing capability. The resource |
| // shared capability tier must agree to share resources between D3D devices. |
| const Format* format = |
| backendDevice->GetInternalFormat(textureDescriptor->format).AcquireSuccess(); |
| if (format->IsMultiPlanar()) { |
| if (backendDevice->ConsumedError(ValidateD3D12VideoTextureCanBeShared( |
| backendDevice, D3D12TextureFormat(textureDescriptor->format)))) { |
| return nullptr; |
| } |
| } |
| |
| std::unique_ptr<ExternalImageDXGI> result( |
| new ExternalImageDXGI(std::move(d3d12Resource), descriptor->cTextureDescriptor)); |
| return result; |
| } |
| |
| uint64_t SetExternalMemoryReservation(WGPUDevice device, |
| uint64_t requestedReservationSize, |
| MemorySegment memorySegment) { |
| Device* backendDevice = reinterpret_cast<Device*>(device); |
| |
| return backendDevice->GetResidencyManager()->SetExternalMemoryReservation( |
| memorySegment, requestedReservationSize); |
| } |
| |
| AdapterDiscoveryOptions::AdapterDiscoveryOptions(ComPtr<IDXGIAdapter> adapter) |
| : AdapterDiscoveryOptionsBase(WGPUBackendType_D3D12), dxgiAdapter(std::move(adapter)) { |
| } |
| }} // namespace dawn_native::d3d12 |