Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1962 insertions, 0 deletions

diff --git a/gfx/layers/d3d11/TextureD3D11.cpp b/gfx/layers/d3d11/TextureD3D11.cpp
new file mode 100644
index 0000000000..a7bcc02b8f
--- /dev/null
+++ b/gfx/layers/d3d11/TextureD3D11.cpp
@@ -0,0 +1,1962 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "TextureD3D11.h"
+
+#include "CompositorD3D11.h"
+#include "Effects.h"
+#include "MainThreadUtils.h"
+#include "gfx2DGlue.h"
+#include "gfxContext.h"
+#include "gfxWindowsPlatform.h"
+#include "mozilla/StaticPrefs_gfx.h"
+#include "mozilla/Telemetry.h"
+#include "mozilla/gfx/DataSurfaceHelpers.h"
+#include "mozilla/gfx/DeviceManagerDx.h"
+#include "mozilla/gfx/Logging.h"
+#include "mozilla/gfx/gfxVars.h"
+#include "mozilla/layers/CompositorBridgeChild.h"
+#include "mozilla/layers/D3D11TextureIMFSampleImage.h"
+#include "mozilla/layers/HelpersD3D11.h"
+#include "mozilla/webrender/RenderD3D11TextureHost.h"
+#include "mozilla/webrender/RenderThread.h"
+#include "mozilla/webrender/WebRenderAPI.h"
+
+namespace mozilla {
+
+using namespace gfx;
+
+namespace layers {
+
+static const GUID sD3D11TextureUsage = {
+    0xd89275b0,
+    0x6c7d,
+    0x4038,
+    {0xb5, 0xfa, 0x4d, 0x87, 0x16, 0xd5, 0xcc, 0x4e}};
+
+/* This class gets its lifetime tied to a D3D texture
+ * and increments memory usage on construction and decrements
+ * on destruction */
+class TextureMemoryMeasurer final : public IUnknown {
+ public:
+  explicit TextureMemoryMeasurer(size_t aMemoryUsed) {
+    mMemoryUsed = aMemoryUsed;
+    gfxWindowsPlatform::sD3D11SharedTextures += mMemoryUsed;
+    mRefCnt = 0;
+  }
+  STDMETHODIMP_(ULONG) AddRef() {
+    mRefCnt++;
+    return mRefCnt;
+  }
+  STDMETHODIMP QueryInterface(REFIID riid, void** ppvObject) {
+    IUnknown* punk = nullptr;
+    if (riid == IID_IUnknown) {
+      punk = this;
+    }
+    *ppvObject = punk;
+    if (punk) {
+      punk->AddRef();
+      return S_OK;
+    } else {
+      return E_NOINTERFACE;
+    }
+  }
+
+  STDMETHODIMP_(ULONG) Release() {
+    int refCnt = --mRefCnt;
+    if (refCnt == 0) {
+      gfxWindowsPlatform::sD3D11SharedTextures -= mMemoryUsed;
+      delete this;
+    }
+    return refCnt;
+  }
+
+ private:
+  int mRefCnt;
+  int mMemoryUsed;
+
+  ~TextureMemoryMeasurer() = default;
+};
+
+static DXGI_FORMAT SurfaceFormatToDXGIFormat(gfx::SurfaceFormat aFormat) {
+  switch (aFormat) {
+    case SurfaceFormat::B8G8R8A8:
+      return DXGI_FORMAT_B8G8R8A8_UNORM;
+    case SurfaceFormat::B8G8R8X8:
+      return DXGI_FORMAT_B8G8R8A8_UNORM;
+    case SurfaceFormat::R8G8B8A8:
+      return DXGI_FORMAT_R8G8B8A8_UNORM;
+    case SurfaceFormat::R8G8B8X8:
+      return DXGI_FORMAT_R8G8B8A8_UNORM;
+    case SurfaceFormat::A8:
+      return DXGI_FORMAT_R8_UNORM;
+    case SurfaceFormat::A16:
+      return DXGI_FORMAT_R16_UNORM;
+    default:
+      MOZ_ASSERT(false, "unsupported format");
+      return DXGI_FORMAT_UNKNOWN;
+  }
+}
+
+void ReportTextureMemoryUsage(ID3D11Texture2D* aTexture, size_t aBytes) {
+  aTexture->SetPrivateDataInterface(sD3D11TextureUsage,
+                                    new TextureMemoryMeasurer(aBytes));
+}
+
+static uint32_t GetRequiredTilesD3D11(uint32_t aSize, uint32_t aMaxSize) {
+  uint32_t requiredTiles = aSize / aMaxSize;
+  if (aSize % aMaxSize) {
+    requiredTiles++;
+  }
+  return requiredTiles;
+}
+
+static IntRect GetTileRectD3D11(uint32_t aID, IntSize aSize,
+                                uint32_t aMaxSize) {
+  uint32_t horizontalTiles = GetRequiredTilesD3D11(aSize.width, aMaxSize);
+  uint32_t verticalTiles = GetRequiredTilesD3D11(aSize.height, aMaxSize);
+
+  uint32_t verticalTile = aID / horizontalTiles;
+  uint32_t horizontalTile = aID % horizontalTiles;
+
+  return IntRect(
+      horizontalTile * aMaxSize, verticalTile * aMaxSize,
+      horizontalTile < (horizontalTiles - 1) ? aMaxSize
+                                             : aSize.width % aMaxSize,
+      verticalTile < (verticalTiles - 1) ? aMaxSize : aSize.height % aMaxSize);
+}
+
+AutoTextureLock::AutoTextureLock(IDXGIKeyedMutex* aMutex, HRESULT& aResult,
+                                 uint32_t aTimeout) {
+  mMutex = aMutex;
+  if (mMutex) {
+    mResult = mMutex->AcquireSync(0, aTimeout);
+    aResult = mResult;
+  } else {
+    aResult = E_INVALIDARG;
+  }
+}
+
+AutoTextureLock::~AutoTextureLock() {
+  if (mMutex && !FAILED(mResult) && mResult != WAIT_TIMEOUT &&
+      mResult != WAIT_ABANDONED) {
+    mMutex->ReleaseSync(0);
+  }
+}
+
+ID3D11ShaderResourceView* TextureSourceD3D11::GetShaderResourceView() {
+  MOZ_ASSERT(mTexture == GetD3D11Texture(),
+             "You need to override GetShaderResourceView if you're overriding "
+             "GetD3D11Texture!");
+
+  if (!mSRV && mTexture) {
+    RefPtr<ID3D11Device> device;
+    mTexture->GetDevice(getter_AddRefs(device));
+
+    // see comment in CompositingRenderTargetD3D11 constructor
+    CD3D11_SHADER_RESOURCE_VIEW_DESC srvDesc(D3D11_SRV_DIMENSION_TEXTURE2D,
+                                             mFormatOverride);
+    D3D11_SHADER_RESOURCE_VIEW_DESC* desc =
+        mFormatOverride == DXGI_FORMAT_UNKNOWN ? nullptr : &srvDesc;
+
+    HRESULT hr =
+        device->CreateShaderResourceView(mTexture, desc, getter_AddRefs(mSRV));
+    if (FAILED(hr)) {
+      gfxCriticalNote << "[D3D11] TextureSourceD3D11:GetShaderResourceView "
+                         "CreateSRV failure "
+                      << gfx::hexa(hr);
+      return nullptr;
+    }
+  }
+  return mSRV;
+}
+
+DataTextureSourceD3D11::DataTextureSourceD3D11(ID3D11Device* aDevice,
+                                               SurfaceFormat aFormat,
+                                               TextureFlags aFlags)
+    : mDevice(aDevice),
+      mFormat(aFormat),
+      mFlags(aFlags),
+      mCurrentTile(0),
+      mIsTiled(false),
+      mIterating(false),
+      mAllowTextureUploads(true) {}
+
+DataTextureSourceD3D11::DataTextureSourceD3D11(ID3D11Device* aDevice,
+                                               SurfaceFormat aFormat,
+                                               ID3D11Texture2D* aTexture)
+    : mDevice(aDevice),
+      mFormat(aFormat),
+      mFlags(TextureFlags::NO_FLAGS),
+      mCurrentTile(0),
+      mIsTiled(false),
+      mIterating(false),
+      mAllowTextureUploads(false) {
+  mTexture = aTexture;
+  D3D11_TEXTURE2D_DESC desc;
+  aTexture->GetDesc(&desc);
+
+  mSize = IntSize(desc.Width, desc.Height);
+}
+
+DataTextureSourceD3D11::DataTextureSourceD3D11(gfx::SurfaceFormat aFormat,
+                                               TextureSourceProvider* aProvider,
+                                               ID3D11Texture2D* aTexture)
+    : DataTextureSourceD3D11(aProvider->GetD3D11Device(), aFormat, aTexture) {}
+
+DataTextureSourceD3D11::DataTextureSourceD3D11(gfx::SurfaceFormat aFormat,
+                                               TextureSourceProvider* aProvider,
+                                               TextureFlags aFlags)
+    : DataTextureSourceD3D11(aProvider->GetD3D11Device(), aFormat, aFlags) {}
+
+DataTextureSourceD3D11::~DataTextureSourceD3D11() {}
+
+enum class SerializeWithMoz2D : bool { No, Yes };
+
+template <typename T>  // ID3D10Texture2D or ID3D11Texture2D
+static bool LockD3DTexture(
+    T* aTexture, SerializeWithMoz2D aSerialize = SerializeWithMoz2D::No) {
+  MOZ_ASSERT(aTexture);
+  RefPtr<IDXGIKeyedMutex> mutex;
+  aTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mutex));
+  // Textures created by the DXVA decoders don't have a mutex for
+  // synchronization
+  if (mutex) {
+    HRESULT hr;
+    if (aSerialize == SerializeWithMoz2D::Yes) {
+      AutoSerializeWithMoz2D serializeWithMoz2D(BackendType::DIRECT2D1_1);
+      hr = mutex->AcquireSync(0, 10000);
+    } else {
+      hr = mutex->AcquireSync(0, 10000);
+    }
+    if (hr == WAIT_TIMEOUT) {
+      RefPtr<ID3D11Device> device;
+      aTexture->GetDevice(getter_AddRefs(device));
+      if (!device) {
+        gfxCriticalNote << "GFX: D3D11 lock mutex timeout - no device returned";
+      } else if (device->GetDeviceRemovedReason() != S_OK) {
+        gfxCriticalNote << "GFX: D3D11 lock mutex timeout - device removed";
+      } else {
+        gfxDevCrash(LogReason::D3DLockTimeout)
+            << "D3D lock mutex timeout - device not removed";
+      }
+    } else if (hr == WAIT_ABANDONED) {
+      gfxCriticalNote << "GFX: D3D11 lock mutex abandoned";
+    }
+
+    if (FAILED(hr)) {
+      NS_WARNING("Failed to lock the texture");
+      return false;
+    }
+  }
+  return true;
+}
+
+template <typename T>
+static bool HasKeyedMutex(T* aTexture) {
+  MOZ_ASSERT(aTexture);
+  RefPtr<IDXGIKeyedMutex> mutex;
+  aTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mutex));
+  return !!mutex;
+}
+
+template <typename T>  // ID3D10Texture2D or ID3D11Texture2D
+static void UnlockD3DTexture(
+    T* aTexture, SerializeWithMoz2D aSerialize = SerializeWithMoz2D::No) {
+  MOZ_ASSERT(aTexture);
+  RefPtr<IDXGIKeyedMutex> mutex;
+  aTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mutex));
+  if (mutex) {
+    HRESULT hr;
+    if (aSerialize == SerializeWithMoz2D::Yes) {
+      AutoSerializeWithMoz2D serializeWithMoz2D(BackendType::DIRECT2D1_1);
+      hr = mutex->ReleaseSync(0);
+    } else {
+      hr = mutex->ReleaseSync(0);
+    }
+    if (FAILED(hr)) {
+      NS_WARNING("Failed to unlock the texture");
+    }
+  }
+}
+
+D3D11TextureData::D3D11TextureData(ID3D11Texture2D* aTexture,
+                                   uint32_t aArrayIndex, gfx::IntSize aSize,
+                                   gfx::SurfaceFormat aFormat,
+                                   TextureAllocationFlags aFlags)
+    : mSize(aSize),
+      mFormat(aFormat),
+      mNeedsClear(aFlags & ALLOC_CLEAR_BUFFER),
+      mHasSynchronization(HasKeyedMutex(aTexture)),
+      mTexture(aTexture),
+      mArrayIndex(aArrayIndex),
+      mAllocationFlags(aFlags) {
+  MOZ_ASSERT(aTexture);
+}
+
+static void DestroyDrawTarget(RefPtr<DrawTarget>& aDT,
+                              RefPtr<ID3D11Texture2D>& aTexture) {
+  // An Azure DrawTarget needs to be locked when it gets nullptr'ed as this is
+  // when it calls EndDraw. This EndDraw should not execute anything so it
+  // shouldn't -really- need the lock but the debug layer chokes on this.
+  LockD3DTexture(aTexture.get(), SerializeWithMoz2D::Yes);
+  aDT = nullptr;
+
+  // Do the serialization here, so we can hold it while destroying the texture.
+  AutoSerializeWithMoz2D serializeWithMoz2D(BackendType::DIRECT2D1_1);
+  UnlockD3DTexture(aTexture.get(), SerializeWithMoz2D::No);
+  aTexture = nullptr;
+}
+
+D3D11TextureData::~D3D11TextureData() {
+  if (mDrawTarget) {
+    DestroyDrawTarget(mDrawTarget, mTexture);
+  }
+
+  if (mGpuProcessTextureId.isSome()) {
+    auto* textureMap = GpuProcessD3D11TextureMap::Get();
+    if (textureMap) {
+      textureMap->Unregister(mGpuProcessTextureId.ref());
+    } else {
+      gfxCriticalNoteOnce << "GpuProcessD3D11TextureMap does not exist";
+    }
+  }
+}
+
+bool D3D11TextureData::Lock(OpenMode aMode) {
+  if (!LockD3DTexture(mTexture.get(), SerializeWithMoz2D::Yes)) {
+    return false;
+  }
+
+  if (NS_IsMainThread()) {
+    if (!PrepareDrawTargetInLock(aMode)) {
+      Unlock();
+      return false;
+    }
+  }
+
+  return true;
+}
+
+bool D3D11TextureData::PrepareDrawTargetInLock(OpenMode aMode) {
+  // Make sure that successful write-lock means we will have a DrawTarget to
+  // write into.
+  if (!mDrawTarget && (aMode & OpenMode::OPEN_WRITE || mNeedsClear)) {
+    mDrawTarget = BorrowDrawTarget();
+    if (!mDrawTarget) {
+      return false;
+    }
+  }
+
+  // Reset transform
+  mDrawTarget->SetTransform(Matrix());
+
+  if (mNeedsClear) {
+    mDrawTarget->ClearRect(Rect(0, 0, mSize.width, mSize.height));
+    mNeedsClear = false;
+  }
+
+  return true;
+}
+
+void D3D11TextureData::Unlock() {
+  UnlockD3DTexture(mTexture.get(), SerializeWithMoz2D::Yes);
+}
+
+void D3D11TextureData::FillInfo(TextureData::Info& aInfo) const {
+  aInfo.size = mSize;
+  aInfo.format = mFormat;
+  aInfo.supportsMoz2D = true;
+  aInfo.hasSynchronization = mHasSynchronization;
+}
+
+void D3D11TextureData::SyncWithObject(RefPtr<SyncObjectClient> aSyncObject) {
+  if (!aSyncObject || mHasSynchronization) {
+    // When we have per texture synchronization we sync using the keyed mutex.
+    return;
+  }
+
+  MOZ_ASSERT(aSyncObject->GetSyncType() == SyncObjectClient::SyncType::D3D11);
+  SyncObjectD3D11Client* sync =
+      static_cast<SyncObjectD3D11Client*>(aSyncObject.get());
+  sync->RegisterTexture(mTexture);
+}
+
+bool D3D11TextureData::SerializeSpecific(
+    SurfaceDescriptorD3D10* const aOutDesc) {
+  RefPtr<IDXGIResource> resource;
+  GetDXGIResource((IDXGIResource**)getter_AddRefs(resource));
+  if (!resource) {
+    return false;
+  }
+  HANDLE sharedHandle = 0;
+  if (mGpuProcessTextureId.isNothing()) {
+    HRESULT hr = resource->GetSharedHandle(&sharedHandle);
+    if (FAILED(hr)) {
+      LOGD3D11("Error getting shared handle for texture.");
+      return false;
+    }
+  }
+  *aOutDesc = SurfaceDescriptorD3D10((WindowsHandle)sharedHandle,
+                                     mGpuProcessTextureId, mArrayIndex, mFormat,
+                                     mSize, mColorSpace, mColorRange);
+  return true;
+}
+
+bool D3D11TextureData::Serialize(SurfaceDescriptor& aOutDescriptor) {
+  SurfaceDescriptorD3D10 desc;
+  if (!SerializeSpecific(&desc)) return false;
+
+  aOutDescriptor = std::move(desc);
+  return true;
+}
+
+void D3D11TextureData::GetSubDescriptor(
+    RemoteDecoderVideoSubDescriptor* const aOutDesc) {
+  SurfaceDescriptorD3D10 ret;
+  if (!SerializeSpecific(&ret)) return;
+
+  *aOutDesc = std::move(ret);
+}
+
+/* static */
+already_AddRefed<TextureClient> D3D11TextureData::CreateTextureClient(
+    ID3D11Texture2D* aTexture, uint32_t aIndex, gfx::IntSize aSize,
+    gfx::SurfaceFormat aFormat, gfx::ColorSpace2 aColorSpace,
+    gfx::ColorRange aColorRange, KnowsCompositor* aKnowsCompositor,
+    RefPtr<IMFSampleUsageInfo> aUsageInfo) {
+  D3D11TextureData* data = new D3D11TextureData(
+      aTexture, aIndex, aSize, aFormat,
+      TextureAllocationFlags::ALLOC_MANUAL_SYNCHRONIZATION);
+  data->mColorSpace = aColorSpace;
+  data->SetColorRange(aColorRange);
+
+  RefPtr<TextureClient> textureClient = MakeAndAddRef<TextureClient>(
+      data, TextureFlags::NO_FLAGS, aKnowsCompositor->GetTextureForwarder());
+  const auto textureId = GpuProcessD3D11TextureMap::GetNextTextureId();
+  data->SetGpuProcessTextureId(textureId);
+
+  // Register ID3D11Texture2D to GpuProcessD3D11TextureMap
+  auto* textureMap = GpuProcessD3D11TextureMap::Get();
+  if (textureMap) {
+    textureMap->Register(textureId, aTexture, aIndex, aSize, aUsageInfo);
+  } else {
+    gfxCriticalNoteOnce << "GpuProcessD3D11TextureMap does not exist";
+  }
+
+  return textureClient.forget();
+}
+
+D3D11TextureData* D3D11TextureData::Create(IntSize aSize, SurfaceFormat aFormat,
+                                           TextureAllocationFlags aFlags,
+                                           ID3D11Device* aDevice) {
+  return Create(aSize, aFormat, nullptr, aFlags, aDevice);
+}
+
+D3D11TextureData* D3D11TextureData::Create(SourceSurface* aSurface,
+                                           TextureAllocationFlags aFlags,
+                                           ID3D11Device* aDevice) {
+  return Create(aSurface->GetSize(), aSurface->GetFormat(), aSurface, aFlags,
+                aDevice);
+}
+
+D3D11TextureData* D3D11TextureData::Create(IntSize aSize, SurfaceFormat aFormat,
+                                           SourceSurface* aSurface,
+                                           TextureAllocationFlags aFlags,
+                                           ID3D11Device* aDevice) {
+  if (aFormat == SurfaceFormat::A8) {
+    // Currently we don't support A8 surfaces. Fallback.
+    return nullptr;
+  }
+
+  // Just grab any device. We never use the immediate context, so the devices
+  // are fine to use from any thread.
+  RefPtr<ID3D11Device> device = aDevice;
+  if (!device) {
+    device = DeviceManagerDx::Get()->GetContentDevice();
+    if (!device) {
+      return nullptr;
+    }
+  }
+
+  CD3D11_TEXTURE2D_DESC newDesc(
+      DXGI_FORMAT_B8G8R8A8_UNORM, aSize.width, aSize.height, 1, 1,
+      D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE);
+
+  if (aFormat == SurfaceFormat::NV12) {
+    newDesc.Format = DXGI_FORMAT_NV12;
+  } else if (aFormat == SurfaceFormat::P010) {
+    newDesc.Format = DXGI_FORMAT_P010;
+  } else if (aFormat == SurfaceFormat::P016) {
+    newDesc.Format = DXGI_FORMAT_P016;
+  }
+
+  newDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED;
+  if (!NS_IsMainThread()) {
+    // On the main thread we use the syncobject to handle synchronization.
+    if (!(aFlags & ALLOC_MANUAL_SYNCHRONIZATION)) {
+      newDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX;
+    }
+  }
+
+  if (aSurface && newDesc.MiscFlags == D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX &&
+      !DeviceManagerDx::Get()->CanInitializeKeyedMutexTextures()) {
+    return nullptr;
+  }
+
+  D3D11_SUBRESOURCE_DATA uploadData;
+  D3D11_SUBRESOURCE_DATA* uploadDataPtr = nullptr;
+  RefPtr<DataSourceSurface> srcSurf;
+  DataSourceSurface::MappedSurface sourceMap;
+
+  if (aSurface) {
+    srcSurf = aSurface->GetDataSurface();
+
+    if (!srcSurf) {
+      gfxCriticalError()
+          << "Failed to GetDataSurface in D3D11TextureData::Create";
+      return nullptr;
+    }
+
+    if (!srcSurf->Map(DataSourceSurface::READ, &sourceMap)) {
+      gfxCriticalError()
+          << "Failed to map source surface for D3D11TextureData::Create";
+      return nullptr;
+    }
+  }
+
+  if (srcSurf && !DeviceManagerDx::Get()->HasCrashyInitData()) {
+    uploadData.pSysMem = sourceMap.mData;
+    uploadData.SysMemPitch = sourceMap.mStride;
+    uploadData.SysMemSlicePitch = 0;  // unused
+
+    uploadDataPtr = &uploadData;
+  }
+
+  // See bug 1397040
+  RefPtr<ID3D10Multithread> mt;
+  device->QueryInterface((ID3D10Multithread**)getter_AddRefs(mt));
+
+  RefPtr<ID3D11Texture2D> texture11;
+
+  {
+    AutoSerializeWithMoz2D serializeWithMoz2D(BackendType::DIRECT2D1_1);
+    D3D11MTAutoEnter lock(mt.forget());
+
+    HRESULT hr = device->CreateTexture2D(&newDesc, uploadDataPtr,
+                                         getter_AddRefs(texture11));
+
+    if (FAILED(hr) || !texture11) {
+      gfxCriticalNote << "[D3D11] 2 CreateTexture2D failure Size: " << aSize
+                      << "texture11: " << texture11
+                      << " Code: " << gfx::hexa(hr);
+      return nullptr;
+    }
+
+    if (srcSurf && DeviceManagerDx::Get()->HasCrashyInitData()) {
+      D3D11_BOX box;
+      box.front = box.top = box.left = 0;
+      box.back = 1;
+      box.right = aSize.width;
+      box.bottom = aSize.height;
+      RefPtr<ID3D11DeviceContext> ctx;
+      device->GetImmediateContext(getter_AddRefs(ctx));
+      ctx->UpdateSubresource(texture11, 0, &box, sourceMap.mData,
+                             sourceMap.mStride, 0);
+    }
+  }
+
+  if (srcSurf) {
+    srcSurf->Unmap();
+  }
+
+  // If we created the texture with a keyed mutex, then we expect all operations
+  // on it to be synchronized using it. If we did an initial upload using
+  // aSurface then bizarely this isn't covered, so we insert a manual
+  // lock/unlock pair to force this.
+  if (aSurface && newDesc.MiscFlags == D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX) {
+    if (!LockD3DTexture(texture11.get(), SerializeWithMoz2D::Yes)) {
+      return nullptr;
+    }
+    UnlockD3DTexture(texture11.get(), SerializeWithMoz2D::Yes);
+  }
+  texture11->SetPrivateDataInterface(
+      sD3D11TextureUsage,
+      new TextureMemoryMeasurer(newDesc.Width * newDesc.Height * 4));
+  return new D3D11TextureData(texture11, 0, aSize, aFormat, aFlags);
+}
+
+void D3D11TextureData::Deallocate(LayersIPCChannel* aAllocator) {
+  mDrawTarget = nullptr;
+  mTexture = nullptr;
+}
+
+TextureData* D3D11TextureData::CreateSimilar(
+    LayersIPCChannel* aAllocator, LayersBackend aLayersBackend,
+    TextureFlags aFlags, TextureAllocationFlags aAllocFlags) const {
+  return D3D11TextureData::Create(mSize, mFormat, aAllocFlags);
+}
+
+void D3D11TextureData::GetDXGIResource(IDXGIResource** aOutResource) {
+  mTexture->QueryInterface(aOutResource);
+}
+
+TextureFlags D3D11TextureData::GetTextureFlags() const {
+  // With WebRender, resource open happens asynchronously on RenderThread.
+  // During opening the resource on host side, TextureClient needs to be alive.
+  // With WAIT_HOST_USAGE_END, keep TextureClient alive during host side usage.
+  return TextureFlags::WAIT_HOST_USAGE_END;
+}
+
+DXGIYCbCrTextureData* DXGIYCbCrTextureData::Create(
+    IDirect3DTexture9* aTextureY, IDirect3DTexture9* aTextureCb,
+    IDirect3DTexture9* aTextureCr, HANDLE aHandleY, HANDLE aHandleCb,
+    HANDLE aHandleCr, const gfx::IntSize& aSize, const gfx::IntSize& aSizeY,
+    const gfx::IntSize& aSizeCbCr, gfx::ColorDepth aColorDepth,
+    YUVColorSpace aYUVColorSpace, gfx::ColorRange aColorRange) {
+  if (!aHandleY || !aHandleCb || !aHandleCr || !aTextureY || !aTextureCb ||
+      !aTextureCr) {
+    return nullptr;
+  }
+
+  DXGIYCbCrTextureData* texture = new DXGIYCbCrTextureData();
+  texture->mHandles[0] = aHandleY;
+  texture->mHandles[1] = aHandleCb;
+  texture->mHandles[2] = aHandleCr;
+  texture->mD3D9Textures[0] = aTextureY;
+  texture->mD3D9Textures[1] = aTextureCb;
+  texture->mD3D9Textures[2] = aTextureCr;
+  texture->mSize = aSize;
+  texture->mSizeY = aSizeY;
+  texture->mSizeCbCr = aSizeCbCr;
+  texture->mColorDepth = aColorDepth;
+  texture->mYUVColorSpace = aYUVColorSpace;
+  texture->mColorRange = aColorRange;
+
+  return texture;
+}
+
+DXGIYCbCrTextureData* DXGIYCbCrTextureData::Create(
+    ID3D11Texture2D* aTextureY, ID3D11Texture2D* aTextureCb,
+    ID3D11Texture2D* aTextureCr, const gfx::IntSize& aSize,
+    const gfx::IntSize& aSizeY, const gfx::IntSize& aSizeCbCr,
+    gfx::ColorDepth aColorDepth, YUVColorSpace aYUVColorSpace,
+    gfx::ColorRange aColorRange) {
+  if (!aTextureY || !aTextureCb || !aTextureCr) {
+    return nullptr;
+  }
+
+  aTextureY->SetPrivateDataInterface(
+      sD3D11TextureUsage,
+      new TextureMemoryMeasurer(aSizeY.width * aSizeY.height));
+  aTextureCb->SetPrivateDataInterface(
+      sD3D11TextureUsage,
+      new TextureMemoryMeasurer(aSizeCbCr.width * aSizeCbCr.height));
+  aTextureCr->SetPrivateDataInterface(
+      sD3D11TextureUsage,
+      new TextureMemoryMeasurer(aSizeCbCr.width * aSizeCbCr.height));
+
+  RefPtr<IDXGIResource> resource;
+
+  aTextureY->QueryInterface((IDXGIResource**)getter_AddRefs(resource));
+
+  HANDLE handleY;
+  HRESULT hr = resource->GetSharedHandle(&handleY);
+  if (FAILED(hr)) {
+    return nullptr;
+  }
+
+  aTextureCb->QueryInterface((IDXGIResource**)getter_AddRefs(resource));
+
+  HANDLE handleCb;
+  hr = resource->GetSharedHandle(&handleCb);
+  if (FAILED(hr)) {
+    return nullptr;
+  }
+
+  aTextureCr->QueryInterface((IDXGIResource**)getter_AddRefs(resource));
+  HANDLE handleCr;
+  hr = resource->GetSharedHandle(&handleCr);
+  if (FAILED(hr)) {
+    return nullptr;
+  }
+
+  DXGIYCbCrTextureData* texture = new DXGIYCbCrTextureData();
+  texture->mHandles[0] = handleY;
+  texture->mHandles[1] = handleCb;
+  texture->mHandles[2] = handleCr;
+  texture->mD3D11Textures[0] = aTextureY;
+  texture->mD3D11Textures[1] = aTextureCb;
+  texture->mD3D11Textures[2] = aTextureCr;
+  texture->mSize = aSize;
+  texture->mSizeY = aSizeY;
+  texture->mSizeCbCr = aSizeCbCr;
+  texture->mColorDepth = aColorDepth;
+  texture->mYUVColorSpace = aYUVColorSpace;
+  texture->mColorRange = aColorRange;
+
+  return texture;
+}
+
+void DXGIYCbCrTextureData::FillInfo(TextureData::Info& aInfo) const {
+  aInfo.size = mSize;
+  aInfo.format = gfx::SurfaceFormat::YUV;
+  aInfo.supportsMoz2D = false;
+  aInfo.hasSynchronization = false;
+}
+
+void DXGIYCbCrTextureData::SerializeSpecific(
+    SurfaceDescriptorDXGIYCbCr* const aOutDesc) {
+  *aOutDesc = SurfaceDescriptorDXGIYCbCr(
+      (WindowsHandle)mHandles[0], (WindowsHandle)mHandles[1],
+      (WindowsHandle)mHandles[2], mSize, mSizeY, mSizeCbCr, mColorDepth,
+      mYUVColorSpace, mColorRange);
+}
+
+bool DXGIYCbCrTextureData::Serialize(SurfaceDescriptor& aOutDescriptor) {
+  SurfaceDescriptorDXGIYCbCr desc;
+  SerializeSpecific(&desc);
+
+  aOutDescriptor = std::move(desc);
+  return true;
+}
+
+void DXGIYCbCrTextureData::GetSubDescriptor(
+    RemoteDecoderVideoSubDescriptor* const aOutDesc) {
+  SurfaceDescriptorDXGIYCbCr desc;
+  SerializeSpecific(&desc);
+
+  *aOutDesc = std::move(desc);
+}
+
+void DXGIYCbCrTextureData::Deallocate(LayersIPCChannel*) {
+  mD3D9Textures[0] = nullptr;
+  mD3D9Textures[1] = nullptr;
+  mD3D9Textures[2] = nullptr;
+  mD3D11Textures[0] = nullptr;
+  mD3D11Textures[1] = nullptr;
+  mD3D11Textures[2] = nullptr;
+}
+
+TextureFlags DXGIYCbCrTextureData::GetTextureFlags() const {
+  // With WebRender, resource open happens asynchronously on RenderThread.
+  // During opening the resource on host side, TextureClient needs to be alive.
+  // With WAIT_HOST_USAGE_END, keep TextureClient alive during host side usage.
+  return TextureFlags::WAIT_HOST_USAGE_END;
+}
+
+already_AddRefed<TextureHost> CreateTextureHostD3D11(
+    const SurfaceDescriptor& aDesc, ISurfaceAllocator* aDeallocator,
+    LayersBackend aBackend, TextureFlags aFlags) {
+  RefPtr<TextureHost> result;
+  switch (aDesc.type()) {
+    case SurfaceDescriptor::TSurfaceDescriptorD3D10: {
+      result =
+          new DXGITextureHostD3D11(aFlags, aDesc.get_SurfaceDescriptorD3D10());
+      break;
+    }
+    case SurfaceDescriptor::TSurfaceDescriptorDXGIYCbCr: {
+      result = new DXGIYCbCrTextureHostD3D11(
+          aFlags, aDesc.get_SurfaceDescriptorDXGIYCbCr());
+      break;
+    }
+    default: {
+      MOZ_ASSERT_UNREACHABLE("Unsupported SurfaceDescriptor type");
+    }
+  }
+  return result.forget();
+}
+
+already_AddRefed<DrawTarget> D3D11TextureData::BorrowDrawTarget() {
+  MOZ_ASSERT(NS_IsMainThread() || NS_IsInCanvasThreadOrWorker());
+
+  if (!mDrawTarget && mTexture) {
+    // This may return a null DrawTarget
+    mDrawTarget = Factory::CreateDrawTargetForD3D11Texture(mTexture, mFormat);
+    if (!mDrawTarget) {
+      gfxCriticalNote << "Could not borrow DrawTarget (D3D11) " << (int)mFormat;
+    }
+  }
+
+  RefPtr<DrawTarget> result = mDrawTarget;
+  return result.forget();
+}
+
+bool D3D11TextureData::UpdateFromSurface(gfx::SourceSurface* aSurface) {
+  // Supporting texture updates after creation requires an ID3D11DeviceContext
+  // and those aren't threadsafe. We'd need to either lock, or have a device for
+  // whatever thread this runs on and we're trying to avoid extra devices (bug
+  // 1284672).
+  MOZ_ASSERT(false,
+             "UpdateFromSurface not supported for D3D11! Use CreateFromSurface "
+             "instead");
+  return false;
+}
+
+DXGITextureHostD3D11::DXGITextureHostD3D11(
+    TextureFlags aFlags, const SurfaceDescriptorD3D10& aDescriptor)
+    : TextureHost(TextureHostType::DXGI, aFlags),
+      mGpuProcessTextureId(aDescriptor.gpuProcessTextureId()),
+      mArrayIndex(aDescriptor.arrayIndex()),
+      mSize(aDescriptor.size()),
+      mHandle(aDescriptor.handle()),
+      mFormat(aDescriptor.format()),
+      mColorSpace(aDescriptor.colorSpace()),
+      mColorRange(aDescriptor.colorRange()),
+      mIsLocked(false) {}
+
+bool DXGITextureHostD3D11::EnsureTexture() {
+  if (mGpuProcessTextureId.isSome()) {
+    return false;
+  }
+
+  RefPtr<ID3D11Device> device;
+  if (mTexture) {
+    mTexture->GetDevice(getter_AddRefs(device));
+    if (device == DeviceManagerDx::Get()->GetCompositorDevice()) {
+      NS_WARNING("Incompatible texture.");
+      return true;
+    }
+    mTexture = nullptr;
+  }
+
+  device = GetDevice();
+  if (!device || device != DeviceManagerDx::Get()->GetCompositorDevice()) {
+    NS_WARNING("No device or incompatible device.");
+    return false;
+  }
+
+  HRESULT hr = device->OpenSharedResource(
+      (HANDLE)mHandle, __uuidof(ID3D11Texture2D),
+      (void**)(ID3D11Texture2D**)getter_AddRefs(mTexture));
+  if (FAILED(hr)) {
+    MOZ_ASSERT(false, "Failed to open shared texture");
+    return false;
+  }
+
+  D3D11_TEXTURE2D_DESC desc;
+  mTexture->GetDesc(&desc);
+  mSize = IntSize(desc.Width, desc.Height);
+  return true;
+}
+
+RefPtr<ID3D11Device> DXGITextureHostD3D11::GetDevice() {
+  if (mFlags & TextureFlags::INVALID_COMPOSITOR) {
+    return nullptr;
+  }
+
+  return mDevice;
+}
+
+bool DXGITextureHostD3D11::LockWithoutCompositor() {
+  if (!mDevice) {
+    mDevice = DeviceManagerDx::Get()->GetCompositorDevice();
+  }
+  return LockInternal();
+}
+
+void DXGITextureHostD3D11::UnlockWithoutCompositor() { UnlockInternal(); }
+
+bool DXGITextureHostD3D11::LockInternal() {
+  if (!GetDevice()) {
+    NS_WARNING("trying to lock a TextureHost without a D3D device");
+    return false;
+  }
+
+  if (!EnsureTextureSource()) {
+    return false;
+  }
+
+  mIsLocked = LockD3DTexture(mTextureSource->GetD3D11Texture());
+
+  return mIsLocked;
+}
+
+already_AddRefed<gfx::DataSourceSurface> DXGITextureHostD3D11::GetAsSurface() {
+  switch (GetFormat()) {
+    case gfx::SurfaceFormat::R8G8B8X8:
+    case gfx::SurfaceFormat::R8G8B8A8:
+    case gfx::SurfaceFormat::B8G8R8A8:
+    case gfx::SurfaceFormat::B8G8R8X8:
+      break;
+    default: {
+      MOZ_ASSERT_UNREACHABLE("DXGITextureHostD3D11: unsupported format!");
+      return nullptr;
+    }
+  }
+
+  AutoLockTextureHostWithoutCompositor autoLock(this);
+  if (autoLock.Failed()) {
+    NS_WARNING("Failed to lock the D3DTexture");
+    return nullptr;
+  }
+
+  RefPtr<ID3D11Device> device;
+  mTexture->GetDevice(getter_AddRefs(device));
+
+  D3D11_TEXTURE2D_DESC textureDesc = {0};
+  mTexture->GetDesc(&textureDesc);
+
+  RefPtr<ID3D11DeviceContext> context;
+  device->GetImmediateContext(getter_AddRefs(context));
+
+  textureDesc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
+  textureDesc.Usage = D3D11_USAGE_STAGING;
+  textureDesc.BindFlags = 0;
+  textureDesc.MiscFlags = 0;
+  textureDesc.MipLevels = 1;
+  RefPtr<ID3D11Texture2D> cpuTexture;
+  HRESULT hr = device->CreateTexture2D(&textureDesc, nullptr,
+                                       getter_AddRefs(cpuTexture));
+  if (FAILED(hr)) {
+    return nullptr;
+  }
+
+  context->CopyResource(cpuTexture, mTexture);
+
+  D3D11_MAPPED_SUBRESOURCE mappedSubresource;
+  hr = context->Map(cpuTexture, 0, D3D11_MAP_READ, 0, &mappedSubresource);
+  if (FAILED(hr)) {
+    return nullptr;
+  }
+
+  RefPtr<DataSourceSurface> surf = gfx::CreateDataSourceSurfaceFromData(
+      IntSize(textureDesc.Width, textureDesc.Height), GetFormat(),
+      (uint8_t*)mappedSubresource.pData, mappedSubresource.RowPitch);
+  context->Unmap(cpuTexture, 0);
+  return surf.forget();
+}
+
+bool DXGITextureHostD3D11::EnsureTextureSource() {
+  if (mTextureSource) {
+    return true;
+  }
+
+  if (!EnsureTexture()) {
+    DeviceManagerDx::Get()->ForceDeviceReset(
+        ForcedDeviceResetReason::OPENSHAREDHANDLE);
+    return false;
+  }
+
+  mTextureSource = new DataTextureSourceD3D11(mDevice, mFormat, mTexture);
+  return true;
+}
+
+void DXGITextureHostD3D11::UnlockInternal() {
+  UnlockD3DTexture(mTextureSource->GetD3D11Texture());
+}
+
+void DXGITextureHostD3D11::CreateRenderTexture(
+    const wr::ExternalImageId& aExternalImageId) {
+  RefPtr<wr::RenderTextureHost> texture =
+      new wr::RenderDXGITextureHost(mHandle, mGpuProcessTextureId, mArrayIndex,
+                                    mFormat, mColorSpace, mColorRange, mSize);
+  wr::RenderThread::Get()->RegisterExternalImage(aExternalImageId,
+                                                 texture.forget());
+}
+
+uint32_t DXGITextureHostD3D11::NumSubTextures() {
+  switch (GetFormat()) {
+    case gfx::SurfaceFormat::R8G8B8X8:
+    case gfx::SurfaceFormat::R8G8B8A8:
+    case gfx::SurfaceFormat::B8G8R8A8:
+    case gfx::SurfaceFormat::B8G8R8X8: {
+      return 1;
+    }
+    case gfx::SurfaceFormat::NV12:
+    case gfx::SurfaceFormat::P010:
+    case gfx::SurfaceFormat::P016: {
+      return 2;
+    }
+    default: {
+      MOZ_ASSERT_UNREACHABLE("unexpected format");
+      return 1;
+    }
+  }
+}
+
+void DXGITextureHostD3D11::PushResourceUpdates(
+    wr::TransactionBuilder& aResources, ResourceUpdateOp aOp,
+    const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) {
+  if (!gfx::gfxVars::UseWebRenderANGLE()) {
+    MOZ_ASSERT_UNREACHABLE("unexpected to be called without ANGLE");
+    return;
+  }
+
+  MOZ_ASSERT(mHandle || mGpuProcessTextureId.isSome());
+  auto method = aOp == TextureHost::ADD_IMAGE
+                    ? &wr::TransactionBuilder::AddExternalImage
+                    : &wr::TransactionBuilder::UpdateExternalImage;
+  switch (mFormat) {
+    case gfx::SurfaceFormat::R8G8B8X8:
+    case gfx::SurfaceFormat::R8G8B8A8:
+    case gfx::SurfaceFormat::B8G8R8A8:
+    case gfx::SurfaceFormat::B8G8R8X8: {
+      MOZ_ASSERT(aImageKeys.length() == 1);
+
+      wr::ImageDescriptor descriptor(mSize, GetFormat());
+      // Prefer TextureExternal unless the backend requires TextureRect.
+      TextureHost::NativeTexturePolicy policy =
+          TextureHost::BackendNativeTexturePolicy(aResources.GetBackendType(),
+                                                  mSize);
+      auto imageType = policy == TextureHost::NativeTexturePolicy::REQUIRE
+                           ? wr::ExternalImageType::TextureHandle(
+                                 wr::ImageBufferKind::TextureRect)
+                           : wr::ExternalImageType::TextureHandle(
+                                 wr::ImageBufferKind::TextureExternal);
+      (aResources.*method)(aImageKeys[0], descriptor, aExtID, imageType, 0);
+      break;
+    }
+    case gfx::SurfaceFormat::P010:
+    case gfx::SurfaceFormat::P016:
+    case gfx::SurfaceFormat::NV12: {
+      MOZ_ASSERT(aImageKeys.length() == 2);
+      MOZ_ASSERT(mSize.width % 2 == 0);
+      MOZ_ASSERT(mSize.height % 2 == 0);
+
+      wr::ImageDescriptor descriptor0(mSize, mFormat == gfx::SurfaceFormat::NV12
+                                                 ? gfx::SurfaceFormat::A8
+                                                 : gfx::SurfaceFormat::A16);
+      wr::ImageDescriptor descriptor1(mSize / 2,
+                                      mFormat == gfx::SurfaceFormat::NV12
+                                          ? gfx::SurfaceFormat::R8G8
+                                          : gfx::SurfaceFormat::R16G16);
+      // Prefer TextureExternal unless the backend requires TextureRect.
+      TextureHost::NativeTexturePolicy policy =
+          TextureHost::BackendNativeTexturePolicy(aResources.GetBackendType(),
+                                                  mSize);
+      auto imageType = policy == TextureHost::NativeTexturePolicy::REQUIRE
+                           ? wr::ExternalImageType::TextureHandle(
+                                 wr::ImageBufferKind::TextureRect)
+                           : wr::ExternalImageType::TextureHandle(
+                                 wr::ImageBufferKind::TextureExternal);
+      (aResources.*method)(aImageKeys[0], descriptor0, aExtID, imageType, 0);
+      (aResources.*method)(aImageKeys[1], descriptor1, aExtID, imageType, 1);
+      break;
+    }
+    default: {
+      MOZ_ASSERT_UNREACHABLE("unexpected to be called");
+    }
+  }
+}
+
+void DXGITextureHostD3D11::PushDisplayItems(
+    wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds,
+    const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
+    const Range<wr::ImageKey>& aImageKeys, PushDisplayItemFlagSet aFlags) {
+  bool preferCompositorSurface =
+      aFlags.contains(PushDisplayItemFlag::PREFER_COMPOSITOR_SURFACE);
+  if (!gfx::gfxVars::UseWebRenderANGLE()) {
+    MOZ_ASSERT_UNREACHABLE("unexpected to be called without ANGLE");
+    return;
+  }
+
+  switch (GetFormat()) {
+    case gfx::SurfaceFormat::R8G8B8X8:
+    case gfx::SurfaceFormat::R8G8B8A8:
+    case gfx::SurfaceFormat::B8G8R8A8:
+    case gfx::SurfaceFormat::B8G8R8X8: {
+      MOZ_ASSERT(aImageKeys.length() == 1);
+      aBuilder.PushImage(
+          aBounds, aClip, true, false, aFilter, aImageKeys[0],
+          !(mFlags & TextureFlags::NON_PREMULTIPLIED),
+          wr::ColorF{1.0f, 1.0f, 1.0f, 1.0f}, preferCompositorSurface,
+          SupportsExternalCompositing(aBuilder.GetBackendType()));
+      break;
+    }
+    case gfx::SurfaceFormat::P010:
+    case gfx::SurfaceFormat::P016:
+    case gfx::SurfaceFormat::NV12: {
+      // DXGI_FORMAT_P010 stores its 10 bit value in the most significant bits
+      // of each 16 bit word with the unused lower bits cleared to zero so that
+      // it may be handled as if it was DXGI_FORMAT_P016. This is approximately
+      // perceptually correct. However, due to rounding error, the precise
+      // quantized value after sampling may be off by 1.
+      MOZ_ASSERT(aImageKeys.length() == 2);
+      aBuilder.PushNV12Image(
+          aBounds, aClip, true, aImageKeys[0], aImageKeys[1],
+          GetFormat() == gfx::SurfaceFormat::NV12 ? wr::ColorDepth::Color8
+                                                  : wr::ColorDepth::Color16,
+          wr::ToWrYuvColorSpace(ToYUVColorSpace(mColorSpace)),
+          wr::ToWrColorRange(mColorRange), aFilter, preferCompositorSurface,
+          SupportsExternalCompositing(aBuilder.GetBackendType()));
+      break;
+    }
+    default: {
+      MOZ_ASSERT_UNREACHABLE("unexpected to be called");
+    }
+  }
+}
+
+bool DXGITextureHostD3D11::SupportsExternalCompositing(
+    WebRenderBackend aBackend) {
+  if (aBackend == WebRenderBackend::SOFTWARE) {
+    return true;
+  }
+  // XXX Add P010 and P016 support.
+  if (GetFormat() == gfx::SurfaceFormat::NV12 &&
+      gfx::gfxVars::UseWebRenderDCompVideoOverlayWin()) {
+    return true;
+  }
+  return false;
+}
+
+DXGIYCbCrTextureHostD3D11::DXGIYCbCrTextureHostD3D11(
+    TextureFlags aFlags, const SurfaceDescriptorDXGIYCbCr& aDescriptor)
+    : TextureHost(TextureHostType::DXGIYCbCr, aFlags),
+      mSize(aDescriptor.size()),
+      mSizeY(aDescriptor.sizeY()),
+      mSizeCbCr(aDescriptor.sizeCbCr()),
+      mIsLocked(false),
+      mColorDepth(aDescriptor.colorDepth()),
+      mYUVColorSpace(aDescriptor.yUVColorSpace()),
+      mColorRange(aDescriptor.colorRange()) {
+  mHandles[0] = aDescriptor.handleY();
+  mHandles[1] = aDescriptor.handleCb();
+  mHandles[2] = aDescriptor.handleCr();
+}
+
+bool DXGIYCbCrTextureHostD3D11::EnsureTexture() {
+  RefPtr<ID3D11Device> device;
+  if (mTextures[0]) {
+    mTextures[0]->GetDevice(getter_AddRefs(device));
+    if (device == DeviceManagerDx::Get()->GetCompositorDevice()) {
+      NS_WARNING("Incompatible texture.");
+      return true;
+    }
+    mTextures[0] = nullptr;
+    mTextures[1] = nullptr;
+    mTextures[2] = nullptr;
+  }
+
+  if (!GetDevice() ||
+      GetDevice() != DeviceManagerDx::Get()->GetCompositorDevice()) {
+    NS_WARNING("No device or incompatible device.");
+    return false;
+  }
+
+  device = GetDevice();
+  RefPtr<ID3D11Texture2D> textures[3];
+
+  HRESULT hr = device->OpenSharedResource(
+      (HANDLE)mHandles[0], __uuidof(ID3D11Texture2D),
+      (void**)(ID3D11Texture2D**)getter_AddRefs(textures[0]));
+  if (FAILED(hr)) {
+    NS_WARNING("Failed to open shared texture for Y Plane");
+    return false;
+  }
+
+  hr = device->OpenSharedResource(
+      (HANDLE)mHandles[1], __uuidof(ID3D11Texture2D),
+      (void**)(ID3D11Texture2D**)getter_AddRefs(textures[1]));
+  if (FAILED(hr)) {
+    NS_WARNING("Failed to open shared texture for Cb Plane");
+    return false;
+  }
+
+  hr = device->OpenSharedResource(
+      (HANDLE)mHandles[2], __uuidof(ID3D11Texture2D),
+      (void**)(ID3D11Texture2D**)getter_AddRefs(textures[2]));
+  if (FAILED(hr)) {
+    NS_WARNING("Failed to open shared texture for Cr Plane");
+    return false;
+  }
+
+  mTextures[0] = textures[0].forget();
+  mTextures[1] = textures[1].forget();
+  mTextures[2] = textures[2].forget();
+
+  return true;
+}
+
+RefPtr<ID3D11Device> DXGIYCbCrTextureHostD3D11::GetDevice() { return nullptr; }
+
+bool DXGIYCbCrTextureHostD3D11::EnsureTextureSource() { return false; }
+
+void DXGIYCbCrTextureHostD3D11::CreateRenderTexture(
+    const wr::ExternalImageId& aExternalImageId) {
+  RefPtr<wr::RenderTextureHost> texture = new wr::RenderDXGIYCbCrTextureHost(
+      mHandles, mYUVColorSpace, mColorDepth, mColorRange, mSizeY, mSizeCbCr);
+
+  wr::RenderThread::Get()->RegisterExternalImage(aExternalImageId,
+                                                 texture.forget());
+}
+
+uint32_t DXGIYCbCrTextureHostD3D11::NumSubTextures() {
+  // ycbcr use 3 sub textures.
+  return 3;
+}
+
+void DXGIYCbCrTextureHostD3D11::PushResourceUpdates(
+    wr::TransactionBuilder& aResources, ResourceUpdateOp aOp,
+    const Range<wr::ImageKey>& aImageKeys, const wr::ExternalImageId& aExtID) {
+  if (!gfx::gfxVars::UseWebRenderANGLE()) {
+    MOZ_ASSERT_UNREACHABLE("unexpected to be called without ANGLE");
+    return;
+  }
+
+  MOZ_ASSERT(mHandles[0] && mHandles[1] && mHandles[2]);
+  MOZ_ASSERT(aImageKeys.length() == 3);
+  // Assume the chroma planes are rounded up if the luma plane is odd sized.
+  MOZ_ASSERT((mSizeCbCr.width == mSizeY.width ||
+              mSizeCbCr.width == (mSizeY.width + 1) >> 1) &&
+             (mSizeCbCr.height == mSizeY.height ||
+              mSizeCbCr.height == (mSizeY.height + 1) >> 1));
+
+  auto method = aOp == TextureHost::ADD_IMAGE
+                    ? &wr::TransactionBuilder::AddExternalImage
+                    : &wr::TransactionBuilder::UpdateExternalImage;
+
+  // Prefer TextureExternal unless the backend requires TextureRect.
+  // Use a size that is the maximum of the Y and CbCr sizes.
+  IntSize textureSize = std::max(mSizeY, mSizeCbCr);
+  TextureHost::NativeTexturePolicy policy =
+      TextureHost::BackendNativeTexturePolicy(aResources.GetBackendType(),
+                                              textureSize);
+  auto imageType = policy == TextureHost::NativeTexturePolicy::REQUIRE
+                       ? wr::ExternalImageType::TextureHandle(
+                             wr::ImageBufferKind::TextureRect)
+                       : wr::ExternalImageType::TextureHandle(
+                             wr::ImageBufferKind::TextureExternal);
+
+  // y
+  wr::ImageDescriptor descriptor0(mSizeY, gfx::SurfaceFormat::A8);
+  // cb and cr
+  wr::ImageDescriptor descriptor1(mSizeCbCr, gfx::SurfaceFormat::A8);
+  (aResources.*method)(aImageKeys[0], descriptor0, aExtID, imageType, 0);
+  (aResources.*method)(aImageKeys[1], descriptor1, aExtID, imageType, 1);
+  (aResources.*method)(aImageKeys[2], descriptor1, aExtID, imageType, 2);
+}
+
+void DXGIYCbCrTextureHostD3D11::PushDisplayItems(
+    wr::DisplayListBuilder& aBuilder, const wr::LayoutRect& aBounds,
+    const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
+    const Range<wr::ImageKey>& aImageKeys, PushDisplayItemFlagSet aFlags) {
+  if (!gfx::gfxVars::UseWebRenderANGLE()) {
+    MOZ_ASSERT_UNREACHABLE("unexpected to be called without ANGLE");
+    return;
+  }
+
+  MOZ_ASSERT(aImageKeys.length() == 3);
+
+  aBuilder.PushYCbCrPlanarImage(
+      aBounds, aClip, true, aImageKeys[0], aImageKeys[1], aImageKeys[2],
+      wr::ToWrColorDepth(mColorDepth), wr::ToWrYuvColorSpace(mYUVColorSpace),
+      wr::ToWrColorRange(mColorRange), aFilter,
+      aFlags.contains(PushDisplayItemFlag::PREFER_COMPOSITOR_SURFACE),
+      SupportsExternalCompositing(aBuilder.GetBackendType()));
+}
+
+bool DXGIYCbCrTextureHostD3D11::SupportsExternalCompositing(
+    WebRenderBackend aBackend) {
+  return aBackend == WebRenderBackend::SOFTWARE;
+}
+
+bool DataTextureSourceD3D11::Update(DataSourceSurface* aSurface,
+                                    nsIntRegion* aDestRegion,
+                                    IntPoint* aSrcOffset,
+                                    IntPoint* aDstOffset) {
+  // Incremental update with a source offset is only used on Mac so it is not
+  // clear that we ever will need to support it for D3D.
+  MOZ_ASSERT(!aSrcOffset);
+  MOZ_RELEASE_ASSERT(!aDstOffset);
+  MOZ_ASSERT(aSurface);
+
+  MOZ_ASSERT(mAllowTextureUploads);
+  if (!mAllowTextureUploads) {
+    return false;
+  }
+
+  HRESULT hr;
+
+  if (!mDevice) {
+    return false;
+  }
+
+  uint32_t bpp = BytesPerPixel(aSurface->GetFormat());
+  DXGI_FORMAT dxgiFormat = SurfaceFormatToDXGIFormat(aSurface->GetFormat());
+
+  mSize = aSurface->GetSize();
+  mFormat = aSurface->GetFormat();
+
+  CD3D11_TEXTURE2D_DESC desc(dxgiFormat, mSize.width, mSize.height, 1, 1);
+
+  int32_t maxSize = GetMaxTextureSizeFromDevice(mDevice);
+  if ((mSize.width <= maxSize && mSize.height <= maxSize) ||
+      (mFlags & TextureFlags::DISALLOW_BIGIMAGE)) {
+    if (mTexture) {
+      D3D11_TEXTURE2D_DESC currentDesc;
+      mTexture->GetDesc(&currentDesc);
+
+      // Make sure there's no size mismatch, if there is, recreate.
+      if (static_cast<int32_t>(currentDesc.Width) != mSize.width ||
+          static_cast<int32_t>(currentDesc.Height) != mSize.height ||
+          currentDesc.Format != dxgiFormat) {
+        mTexture = nullptr;
+        // Make sure we upload the whole surface.
+        aDestRegion = nullptr;
+      }
+    }
+
+    nsIntRegion* regionToUpdate = aDestRegion;
+    if (!mTexture) {
+      hr = mDevice->CreateTexture2D(&desc, nullptr, getter_AddRefs(mTexture));
+      mIsTiled = false;
+      if (FAILED(hr) || !mTexture) {
+        Reset();
+        return false;
+      }
+
+      if (mFlags & TextureFlags::COMPONENT_ALPHA) {
+        regionToUpdate = nullptr;
+      }
+    }
+
+    DataSourceSurface::MappedSurface map;
+    if (!aSurface->Map(DataSourceSurface::MapType::READ, &map)) {
+      gfxCriticalError() << "Failed to map surface.";
+      Reset();
+      return false;
+    }
+
+    RefPtr<ID3D11DeviceContext> context;
+    mDevice->GetImmediateContext(getter_AddRefs(context));
+
+    if (regionToUpdate) {
+      for (auto iter = regionToUpdate->RectIter(); !iter.Done(); iter.Next()) {
+        const IntRect& rect = iter.Get();
+        D3D11_BOX box;
+        box.front = 0;
+        box.back = 1;
+        box.left = rect.X();
+        box.top = rect.Y();
+        box.right = rect.XMost();
+        box.bottom = rect.YMost();
+
+        void* data = map.mData + map.mStride * rect.Y() +
+                     BytesPerPixel(aSurface->GetFormat()) * rect.X();
+
+        context->UpdateSubresource(mTexture, 0, &box, data, map.mStride,
+                                   map.mStride * rect.Height());
+      }
+    } else {
+      context->UpdateSubresource(mTexture, 0, nullptr, map.mData, map.mStride,
+                                 map.mStride * mSize.height);
+    }
+
+    aSurface->Unmap();
+  } else {
+    mIsTiled = true;
+    uint32_t tileCount = GetRequiredTilesD3D11(mSize.width, maxSize) *
+                         GetRequiredTilesD3D11(mSize.height, maxSize);
+
+    mTileTextures.resize(tileCount);
+    mTileSRVs.resize(tileCount);
+    mTexture = nullptr;
+
+    DataSourceSurface::ScopedMap map(aSurface, DataSourceSurface::READ);
+    if (!map.IsMapped()) {
+      gfxCriticalError() << "Failed to map surface.";
+      Reset();
+      return false;
+    }
+
+    for (uint32_t i = 0; i < tileCount; i++) {
+      IntRect tileRect = GetTileRect(i);
+
+      desc.Width = tileRect.Width();
+      desc.Height = tileRect.Height();
+      desc.Usage = D3D11_USAGE_IMMUTABLE;
+
+      D3D11_SUBRESOURCE_DATA initData;
+      initData.pSysMem =
+          map.GetData() + tileRect.Y() * map.GetStride() + tileRect.X() * bpp;
+      initData.SysMemPitch = map.GetStride();
+
+      hr = mDevice->CreateTexture2D(&desc, &initData,
+                                    getter_AddRefs(mTileTextures[i]));
+      if (FAILED(hr) || !mTileTextures[i]) {
+        Reset();
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
+ID3D11Texture2D* DataTextureSourceD3D11::GetD3D11Texture() const {
+  return mIterating ? mTileTextures[mCurrentTile] : mTexture;
+}
+
+RefPtr<TextureSource> DataTextureSourceD3D11::ExtractCurrentTile() {
+  MOZ_ASSERT(mIterating);
+  return new DataTextureSourceD3D11(mDevice, mFormat,
+                                    mTileTextures[mCurrentTile]);
+}
+
+ID3D11ShaderResourceView* DataTextureSourceD3D11::GetShaderResourceView() {
+  if (mIterating) {
+    if (!mTileSRVs[mCurrentTile]) {
+      if (!mTileTextures[mCurrentTile]) {
+        return nullptr;
+      }
+
+      RefPtr<ID3D11Device> device;
+      mTileTextures[mCurrentTile]->GetDevice(getter_AddRefs(device));
+      HRESULT hr = device->CreateShaderResourceView(
+          mTileTextures[mCurrentTile], nullptr,
+          getter_AddRefs(mTileSRVs[mCurrentTile]));
+      if (FAILED(hr)) {
+        gfxCriticalNote
+            << "[D3D11] DataTextureSourceD3D11:GetShaderResourceView CreateSRV "
+               "failure "
+            << gfx::hexa(hr);
+        return nullptr;
+      }
+    }
+    return mTileSRVs[mCurrentTile];
+  }
+
+  return TextureSourceD3D11::GetShaderResourceView();
+}
+
+void DataTextureSourceD3D11::Reset() {
+  mTexture = nullptr;
+  mTileSRVs.resize(0);
+  mTileTextures.resize(0);
+  mIsTiled = false;
+  mSize.width = 0;
+  mSize.height = 0;
+}
+
+IntRect DataTextureSourceD3D11::GetTileRect(uint32_t aIndex) const {
+  return GetTileRectD3D11(aIndex, mSize, GetMaxTextureSizeFromDevice(mDevice));
+}
+
+IntRect DataTextureSourceD3D11::GetTileRect() {
+  IntRect rect = GetTileRect(mCurrentTile);
+  return IntRect(rect.X(), rect.Y(), rect.Width(), rect.Height());
+}
+
+CompositingRenderTargetD3D11::CompositingRenderTargetD3D11(
+    ID3D11Texture2D* aTexture, const gfx::IntPoint& aOrigin,
+    DXGI_FORMAT aFormatOverride)
+    : CompositingRenderTarget(aOrigin) {
+  MOZ_ASSERT(aTexture);
+
+  mTexture = aTexture;
+
+  RefPtr<ID3D11Device> device;
+  mTexture->GetDevice(getter_AddRefs(device));
+
+  mFormatOverride = aFormatOverride;
+
+  // If we happen to have a typeless underlying DXGI surface, we need to be
+  // explicit about the format here. (Such a surface could come from an external
+  // source, such as the Oculus compositor)
+  CD3D11_RENDER_TARGET_VIEW_DESC rtvDesc(D3D11_RTV_DIMENSION_TEXTURE2D,
+                                         mFormatOverride);
+  D3D11_RENDER_TARGET_VIEW_DESC* desc =
+      aFormatOverride == DXGI_FORMAT_UNKNOWN ? nullptr : &rtvDesc;
+
+  HRESULT hr =
+      device->CreateRenderTargetView(mTexture, desc, getter_AddRefs(mRTView));
+
+  if (FAILED(hr)) {
+    LOGD3D11("Failed to create RenderTargetView.");
+  }
+}
+
+void CompositingRenderTargetD3D11::BindRenderTarget(
+    ID3D11DeviceContext* aContext) {
+  if (mClearOnBind) {
+    FLOAT clear[] = {0, 0, 0, 0};
+    aContext->ClearRenderTargetView(mRTView, clear);
+    mClearOnBind = false;
+  }
+  ID3D11RenderTargetView* view = mRTView;
+  aContext->OMSetRenderTargets(1, &view, nullptr);
+}
+
+IntSize CompositingRenderTargetD3D11::GetSize() const {
+  return TextureSourceD3D11::GetSize();
+}
+
+static inline bool ShouldDevCrashOnSyncInitFailure() {
+  // Compositor shutdown does not wait for video decoding to finish, so it is
+  // possible for the compositor to destroy the SyncObject before video has a
+  // chance to initialize it.
+  if (!NS_IsMainThread()) {
+    return false;
+  }
+
+  // Note: CompositorIsInGPUProcess is a main-thread-only function.
+  return !CompositorBridgeChild::CompositorIsInGPUProcess() &&
+         !DeviceManagerDx::Get()->HasDeviceReset();
+}
+
+SyncObjectD3D11Host::SyncObjectD3D11Host(ID3D11Device* aDevice)
+    : mSyncHandle(0), mDevice(aDevice) {
+  MOZ_ASSERT(aDevice);
+}
+
+bool SyncObjectD3D11Host::Init() {
+  CD3D11_TEXTURE2D_DESC desc(
+      DXGI_FORMAT_B8G8R8A8_UNORM, 1, 1, 1, 1,
+      D3D11_BIND_SHADER_RESOURCE | D3D11_BIND_RENDER_TARGET);
+  desc.MiscFlags = D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX;
+
+  RefPtr<ID3D11Texture2D> texture;
+  HRESULT hr =
+      mDevice->CreateTexture2D(&desc, nullptr, getter_AddRefs(texture));
+  if (FAILED(hr) || !texture) {
+    gfxWarning() << "Could not create a sync texture: " << gfx::hexa(hr);
+    return false;
+  }
+
+  hr = texture->QueryInterface((IDXGIResource**)getter_AddRefs(mSyncTexture));
+  if (FAILED(hr) || !mSyncTexture) {
+    gfxWarning() << "Could not QI sync texture: " << gfx::hexa(hr);
+    return false;
+  }
+
+  hr = mSyncTexture->QueryInterface(
+      (IDXGIKeyedMutex**)getter_AddRefs(mKeyedMutex));
+  if (FAILED(hr) || !mKeyedMutex) {
+    gfxWarning() << "Could not QI keyed-mutex: " << gfx::hexa(hr);
+    return false;
+  }
+
+  hr = mSyncTexture->GetSharedHandle(&mSyncHandle);
+  if (FAILED(hr) || !mSyncHandle) {
+    NS_DispatchToMainThread(NS_NewRunnableFunction(
+        "layers::SyncObjectD3D11Renderer::Init",
+        []() -> void { Accumulate(Telemetry::D3D11_SYNC_HANDLE_FAILURE, 1); }));
+    gfxWarning() << "Could not get sync texture shared handle: "
+                 << gfx::hexa(hr);
+    return false;
+  }
+
+  return true;
+}
+
+SyncHandle SyncObjectD3D11Host::GetSyncHandle() { return mSyncHandle; }
+
+bool SyncObjectD3D11Host::Synchronize(bool aFallible) {
+  HRESULT hr;
+  AutoTextureLock lock(mKeyedMutex, hr, 10000);
+
+  if (hr == WAIT_TIMEOUT) {
+    hr = mDevice->GetDeviceRemovedReason();
+    if (hr != S_OK) {
+      // Since the timeout is related to the driver-removed. Return false for
+      // error handling.
+      gfxCriticalNote << "GFX: D3D11 timeout with device-removed:"
+                      << gfx::hexa(hr);
+    } else if (aFallible) {
+      gfxCriticalNote << "GFX: D3D11 timeout on the D3D11 sync lock.";
+    } else {
+      // There is no driver-removed event. Crash with this timeout.
+      MOZ_CRASH("GFX: D3D11 normal status timeout");
+    }
+
+    return false;
+  }
+  if (hr == WAIT_ABANDONED) {
+    gfxCriticalNote << "GFX: AL_D3D11 abandoned sync";
+  }
+
+  return true;
+}
+
+SyncObjectD3D11Client::SyncObjectD3D11Client(SyncHandle aSyncHandle,
+                                             ID3D11Device* aDevice)
+    : mSyncLock("SyncObjectD3D11"), mSyncHandle(aSyncHandle), mDevice(aDevice) {
+  MOZ_ASSERT(aDevice);
+}
+
+SyncObjectD3D11Client::SyncObjectD3D11Client(SyncHandle aSyncHandle)
+    : mSyncLock("SyncObjectD3D11"), mSyncHandle(aSyncHandle) {}
+
+bool SyncObjectD3D11Client::Init(ID3D11Device* aDevice, bool aFallible) {
+  if (mKeyedMutex) {
+    return true;
+  }
+
+  HRESULT hr = aDevice->OpenSharedResource(
+      mSyncHandle, __uuidof(ID3D11Texture2D),
+      (void**)(ID3D11Texture2D**)getter_AddRefs(mSyncTexture));
+  if (FAILED(hr) || !mSyncTexture) {
+    gfxCriticalNote << "Failed to OpenSharedResource for SyncObjectD3D11: "
+                    << hexa(hr);
+    if (!aFallible && ShouldDevCrashOnSyncInitFailure()) {
+      gfxDevCrash(LogReason::D3D11FinalizeFrame)
+          << "Without device reset: " << hexa(hr);
+    }
+    return false;
+  }
+
+  hr = mSyncTexture->QueryInterface(__uuidof(IDXGIKeyedMutex),
+                                    getter_AddRefs(mKeyedMutex));
+  if (FAILED(hr) || !mKeyedMutex) {
+    // Leave both the critical error and MOZ_CRASH for now; the critical error
+    // lets us "save" the hr value.  We will probably eventually replace this
+    // with gfxDevCrash.
+    if (!aFallible) {
+      gfxCriticalError() << "Failed to get KeyedMutex (2): " << hexa(hr);
+      MOZ_CRASH("GFX: Cannot get D3D11 KeyedMutex");
+    } else {
+      gfxCriticalNote << "Failed to get KeyedMutex (3): " << hexa(hr);
+    }
+    return false;
+  }
+
+  return true;
+}
+
+void SyncObjectD3D11Client::RegisterTexture(ID3D11Texture2D* aTexture) {
+  mSyncedTextures.push_back(aTexture);
+}
+
+bool SyncObjectD3D11Client::IsSyncObjectValid() {
+  MOZ_ASSERT(mDevice);
+  return true;
+}
+
+// We have only 1 sync object. As a thing that somehow works,
+// we copy each of the textures that need to be synced with the compositor
+// into our sync object and only use a lock for this sync object.
+// This way, we don't have to sync every texture we send to the compositor.
+// We only have to do this once per transaction.
+bool SyncObjectD3D11Client::Synchronize(bool aFallible) {
+  MOZ_ASSERT(mDevice);
+  // Since this can be called from either the Paint or Main thread.
+  // We don't want this to race since we initialize the sync texture here
+  // too.
+  MutexAutoLock syncLock(mSyncLock);
+
+  if (!mSyncedTextures.size()) {
+    return true;
+  }
+  if (!Init(mDevice, aFallible)) {
+    return false;
+  }
+
+  return SynchronizeInternal(mDevice, aFallible);
+}
+
+bool SyncObjectD3D11Client::SynchronizeInternal(ID3D11Device* aDevice,
+                                                bool aFallible) {
+  mSyncLock.AssertCurrentThreadOwns();
+
+  HRESULT hr;
+  AutoTextureLock lock(mKeyedMutex, hr, 20000);
+
+  if (hr == WAIT_TIMEOUT) {
+    if (DeviceManagerDx::Get()->HasDeviceReset()) {
+      gfxWarning() << "AcquireSync timed out because of device reset.";
+      return false;
+    }
+    if (aFallible) {
+      gfxWarning() << "Timeout on the D3D11 sync lock.";
+    } else {
+      gfxDevCrash(LogReason::D3D11SyncLock)
+          << "Timeout on the D3D11 sync lock.";
+    }
+    return false;
+  }
+
+  D3D11_BOX box;
+  box.front = box.top = box.left = 0;
+  box.back = box.bottom = box.right = 1;
+
+  RefPtr<ID3D11DeviceContext> ctx;
+  aDevice->GetImmediateContext(getter_AddRefs(ctx));
+
+  for (auto iter = mSyncedTextures.begin(); iter != mSyncedTextures.end();
+       iter++) {
+    ctx->CopySubresourceRegion(mSyncTexture, 0, 0, 0, 0, *iter, 0, &box);
+  }
+
+  mSyncedTextures.clear();
+
+  return true;
+}
+
+uint32_t GetMaxTextureSizeFromDevice(ID3D11Device* aDevice) {
+  return GetMaxTextureSizeForFeatureLevel(aDevice->GetFeatureLevel());
+}
+
+AutoLockD3D11Texture::AutoLockD3D11Texture(ID3D11Texture2D* aTexture) {
+  aTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mMutex));
+  if (!mMutex) {
+    return;
+  }
+  HRESULT hr = mMutex->AcquireSync(0, 10000);
+  if (hr == WAIT_TIMEOUT) {
+    MOZ_CRASH("GFX: IMFYCbCrImage timeout");
+  }
+
+  if (FAILED(hr)) {
+    NS_WARNING("Failed to lock the texture");
+  }
+}
+
+AutoLockD3D11Texture::~AutoLockD3D11Texture() {
+  if (!mMutex) {
+    return;
+  }
+  HRESULT hr = mMutex->ReleaseSync(0);
+  if (FAILED(hr)) {
+    NS_WARNING("Failed to unlock the texture");
+  }
+}
+
+SyncObjectD3D11ClientContentDevice::SyncObjectD3D11ClientContentDevice(
+    SyncHandle aSyncHandle)
+    : SyncObjectD3D11Client(aSyncHandle) {}
+
+bool SyncObjectD3D11ClientContentDevice::Synchronize(bool aFallible) {
+  // Since this can be called from either the Paint or Main thread.
+  // We don't want this to race since we initialize the sync texture here
+  // too.
+  MutexAutoLock syncLock(mSyncLock);
+
+  MOZ_ASSERT(mContentDevice);
+
+  if (!mSyncedTextures.size()) {
+    return true;
+  }
+
+  if (!Init(mContentDevice, aFallible)) {
+    return false;
+  }
+
+  RefPtr<ID3D11Device> dev;
+  mSyncTexture->GetDevice(getter_AddRefs(dev));
+
+  if (dev == DeviceManagerDx::Get()->GetContentDevice()) {
+    if (DeviceManagerDx::Get()->HasDeviceReset()) {
+      return false;
+    }
+  }
+
+  if (dev != mContentDevice) {
+    gfxWarning() << "Attempt to sync texture from invalid device.";
+    return false;
+  }
+
+  return SyncObjectD3D11Client::SynchronizeInternal(dev, aFallible);
+}
+
+bool SyncObjectD3D11ClientContentDevice::IsSyncObjectValid() {
+  RefPtr<ID3D11Device> dev;
+  // There is a case that devices are not initialized yet with WebRender.
+  if (gfxPlatform::GetPlatform()->DevicesInitialized()) {
+    dev = DeviceManagerDx::Get()->GetContentDevice();
+  }
+
+  // Update mDevice if the ContentDevice initialization is detected.
+  if (!mContentDevice && dev && NS_IsMainThread()) {
+    mContentDevice = dev;
+  }
+
+  if (!dev || (NS_IsMainThread() && dev != mContentDevice)) {
+    return false;
+  }
+  return true;
+}
+
+void SyncObjectD3D11ClientContentDevice::EnsureInitialized() {
+  if (mContentDevice) {
+    return;
+  }
+
+  if (XRE_IsGPUProcess() || !gfxPlatform::GetPlatform()->DevicesInitialized()) {
+    return;
+  }
+
+  mContentDevice = DeviceManagerDx::Get()->GetContentDevice();
+}
+
+StaticAutoPtr<GpuProcessD3D11TextureMap> GpuProcessD3D11TextureMap::sInstance;
+
+/* static */
+void GpuProcessD3D11TextureMap::Init() {
+  MOZ_ASSERT(XRE_IsGPUProcess());
+  sInstance = new GpuProcessD3D11TextureMap();
+}
+
+/* static */
+void GpuProcessD3D11TextureMap::Shutdown() {
+  MOZ_ASSERT(XRE_IsGPUProcess());
+  sInstance = nullptr;
+}
+
+/* static */
+GpuProcessTextureId GpuProcessD3D11TextureMap::GetNextTextureId() {
+  MOZ_ASSERT(XRE_IsGPUProcess());
+  return GpuProcessTextureId::GetNext();
+}
+
+GpuProcessD3D11TextureMap::GpuProcessD3D11TextureMap()
+    : mD3D11TexturesById("D3D11TextureMap::mD3D11TexturesById") {}
+
+GpuProcessD3D11TextureMap::~GpuProcessD3D11TextureMap() {}
+
+void GpuProcessD3D11TextureMap::Register(
+    GpuProcessTextureId aTextureId, ID3D11Texture2D* aTexture,
+    uint32_t aArrayIndex, const gfx::IntSize& aSize,
+    RefPtr<IMFSampleUsageInfo> aUsageInfo) {
+  MOZ_RELEASE_ASSERT(aTexture);
+  MOZ_RELEASE_ASSERT(aUsageInfo);
+
+  auto textures = mD3D11TexturesById.Lock();
+
+  auto it = textures->find(aTextureId);
+  if (it != textures->end()) {
+    MOZ_ASSERT_UNREACHABLE("unexpected to be called");
+    return;
+  }
+  textures->emplace(aTextureId,
+                    TextureHolder(aTexture, aArrayIndex, aSize, aUsageInfo));
+}
+
+void GpuProcessD3D11TextureMap::Unregister(GpuProcessTextureId aTextureId) {
+  auto textures = mD3D11TexturesById.Lock();
+
+  auto it = textures->find(aTextureId);
+  if (it == textures->end()) {
+    return;
+  }
+  textures->erase(it);
+}
+
+RefPtr<ID3D11Texture2D> GpuProcessD3D11TextureMap::GetTexture(
+    GpuProcessTextureId aTextureId) {
+  auto textures = mD3D11TexturesById.Lock();
+
+  auto it = textures->find(aTextureId);
+  if (it == textures->end()) {
+    return nullptr;
+  }
+
+  return it->second.mTexture;
+}
+
+Maybe<HANDLE> GpuProcessD3D11TextureMap::GetSharedHandleOfCopiedTexture(
+    GpuProcessTextureId aTextureId) {
+  TextureHolder holder;
+  {
+    auto textures = mD3D11TexturesById.Lock();
+
+    auto it = textures->find(aTextureId);
+    if (it == textures->end()) {
+      return Nothing();
+    }
+
+    if (it->second.mCopiedTextureSharedHandle.isSome()) {
+      return it->second.mCopiedTextureSharedHandle;
+    }
+
+    holder = it->second;
+  }
+
+  RefPtr<ID3D11Device> device;
+  holder.mTexture->GetDevice(getter_AddRefs(device));
+  if (!device) {
+    return Nothing();
+  }
+
+  RefPtr<ID3D11DeviceContext> context;
+  device->GetImmediateContext(getter_AddRefs(context));
+  if (!context) {
+    return Nothing();
+  }
+
+  CD3D11_TEXTURE2D_DESC newDesc(
+      DXGI_FORMAT_NV12, holder.mSize.width, holder.mSize.height, 1, 1,
+      D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE);
+  newDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED;
+
+  RefPtr<ID3D11Texture2D> copiedTexture;
+  HRESULT hr =
+      device->CreateTexture2D(&newDesc, nullptr, getter_AddRefs(copiedTexture));
+  if (FAILED(hr)) {
+    return Nothing();
+  }
+
+  D3D11_TEXTURE2D_DESC inDesc;
+  holder.mTexture->GetDesc(&inDesc);
+
+  D3D11_TEXTURE2D_DESC outDesc;
+  copiedTexture->GetDesc(&outDesc);
+
+  UINT height = std::min(inDesc.Height, outDesc.Height);
+  UINT width = std::min(inDesc.Width, outDesc.Width);
+  D3D11_BOX srcBox = {0, 0, 0, width, height, 1};
+
+  context->CopySubresourceRegion(copiedTexture, 0, 0, 0, 0, holder.mTexture,
+                                 holder.mArrayIndex, &srcBox);
+
+  RefPtr<IDXGIResource> resource;
+  copiedTexture->QueryInterface((IDXGIResource**)getter_AddRefs(resource));
+  if (!resource) {
+    return Nothing();
+  }
+
+  HANDLE sharedHandle;
+  hr = resource->GetSharedHandle(&sharedHandle);
+  if (FAILED(hr)) {
+    return Nothing();
+  }
+
+  RefPtr<ID3D11Query> query;
+  CD3D11_QUERY_DESC desc(D3D11_QUERY_EVENT);
+  hr = device->CreateQuery(&desc, getter_AddRefs(query));
+  if (FAILED(hr) || !query) {
+    gfxWarning() << "Could not create D3D11_QUERY_EVENT: " << gfx::hexa(hr);
+    return Nothing();
+  }
+
+  context->End(query);
+
+  BOOL result;
+  bool ret = WaitForFrameGPUQuery(device, context, query, &result);
+  if (!ret) {
+    gfxCriticalNoteOnce << "WaitForFrameGPUQuery() failed";
+  }
+
+  {
+    auto textures = mD3D11TexturesById.Lock();
+
+    auto it = textures->find(aTextureId);
+    if (it == textures->end()) {
+      MOZ_ASSERT_UNREACHABLE("unexpected to be called");
+      return Nothing();
+    }
+
+    // Disable no video copy for future decoded video frames. Since
+    // GetSharedHandleOfCopiedTexture() is slow.
+    it->second.mIMFSampleUsageInfo->DisableZeroCopyNV12Texture();
+
+    it->second.mCopiedTexture = copiedTexture;
+    it->second.mCopiedTextureSharedHandle = Some(sharedHandle);
+  }
+
+  return Some(sharedHandle);
+}
+
+GpuProcessD3D11TextureMap::TextureHolder::TextureHolder(
+    ID3D11Texture2D* aTexture, uint32_t aArrayIndex, const gfx::IntSize& aSize,
+    RefPtr<IMFSampleUsageInfo> aUsageInfo)
+    : mTexture(aTexture),
+      mArrayIndex(aArrayIndex),
+      mSize(aSize),
+      mIMFSampleUsageInfo(aUsageInfo) {}
+
+}  // namespace layers
+}  // namespace mozilla