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// 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::d3d12 {
ComPtr<ID3D12Device> GetD3D12Device(WGPUDevice device) {
return ToBackend(FromAPI(device))->GetD3D12Device();
}
DawnSwapChainImplementation CreateNativeSwapChainImpl(WGPUDevice device, HWND window) {
Device* backendDevice = ToBackend(FromAPI(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 = ToBackend(FromAPI(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->CreateD3D12ExternalTexture(
&textureDescriptor, mD3D12Resource, std::move(d3d11on12Resource),
descriptor->isSwapChainTexture, descriptor->isInitialized);
return ToAPI(texture.Detach());
}
// static
std::unique_ptr<ExternalImageDXGI> ExternalImageDXGI::Create(
WGPUDevice device,
const ExternalImageDescriptorDXGISharedHandle* descriptor) {
Device* backendDevice = ToBackend(FromAPI(device));
Microsoft::WRL::ComPtr<ID3D12Resource> d3d12Resource;
if (FAILED(backendDevice->GetD3D12Device()->OpenSharedHandle(
descriptor->sharedHandle, IID_PPV_ARGS(&d3d12Resource)))) {
return nullptr;
}
const TextureDescriptor* textureDescriptor = FromAPI(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 = ToBackend(FromAPI(device));
return backendDevice->GetResidencyManager()->SetExternalMemoryReservation(
memorySegment, requestedReservationSize);
}
AdapterDiscoveryOptions::AdapterDiscoveryOptions()
: AdapterDiscoveryOptionsBase(WGPUBackendType_D3D12), dxgiAdapter(nullptr) {
}
AdapterDiscoveryOptions::AdapterDiscoveryOptions(ComPtr<IDXGIAdapter> adapter)
: AdapterDiscoveryOptionsBase(WGPUBackendType_D3D12), dxgiAdapter(std::move(adapter)) {
}
} // namespace dawn::native::d3d12