Add m-esr52 at 52.6.0

1 files changed, 1291 insertions, 0 deletions

diff --git a/gfx/layers/d3d11/TextureD3D11.cpp b/gfx/layers/d3d11/TextureD3D11.cpp
new file mode 100644
index 0000000000..8fbcfd234c
--- /dev/null
+++ b/gfx/layers/d3d11/TextureD3D11.cpp
@@ -0,0 +1,1291 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * 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 "gfxContext.h"
+#include "Effects.h"
+#include "gfxWindowsPlatform.h"
+#include "gfx2DGlue.h"
+#include "gfxPrefs.h"
+#include "ReadbackManagerD3D11.h"
+#include "mozilla/gfx/DeviceManagerDx.h"
+#include "mozilla/gfx/Logging.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 : public IUnknown
+{
+public:
+  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;
+};
+
+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;
+    default:
+      MOZ_ASSERT(false, "unsupported format");
+      return DXGI_FORMAT_UNKNOWN;
+  }
+}
+
+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;
+  mResult = mMutex->AcquireSync(0, aTimeout);
+  aResult = mResult;
+}
+
+AutoTextureLock::~AutoTextureLock()
+{
+  if (!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(SurfaceFormat aFormat,
+                                               CompositorD3D11* aCompositor,
+                                               TextureFlags aFlags)
+  : mCompositor(aCompositor)
+  , mFormat(aFormat)
+  , mFlags(aFlags)
+  , mCurrentTile(0)
+  , mIsTiled(false)
+  , mIterating(false)
+  , mAllowTextureUploads(true)
+{
+  MOZ_COUNT_CTOR(DataTextureSourceD3D11);
+}
+
+DataTextureSourceD3D11::DataTextureSourceD3D11(SurfaceFormat aFormat,
+                                               CompositorD3D11* aCompositor,
+                                               ID3D11Texture2D* aTexture)
+: mCompositor(aCompositor)
+, mFormat(aFormat)
+, mFlags(TextureFlags::NO_FLAGS)
+, mCurrentTile(0)
+, mIsTiled(false)
+, mIterating(false)
+, mAllowTextureUploads(false)
+{
+  MOZ_COUNT_CTOR(DataTextureSourceD3D11);
+
+  mTexture = aTexture;
+  D3D11_TEXTURE2D_DESC desc;
+  aTexture->GetDesc(&desc);
+
+  mSize = IntSize(desc.Width, desc.Height);
+}
+
+
+
+DataTextureSourceD3D11::~DataTextureSourceD3D11()
+{
+  MOZ_COUNT_DTOR(DataTextureSourceD3D11);
+}
+
+
+template<typename T> // ID3D10Texture2D or ID3D11Texture2D
+static bool LockD3DTexture(T* aTexture)
+{
+  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 = mutex->AcquireSync(0, 10000);
+    if (hr == WAIT_TIMEOUT) {
+      gfxDevCrash(LogReason::D3DLockTimeout) << "D3D lock mutex timeout";
+    } 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)
+{
+  RefPtr<IDXGIKeyedMutex> mutex;
+  aTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mutex));
+  return !!mutex;
+}
+
+template<typename T> // ID3D10Texture2D or ID3D11Texture2D
+static void UnlockD3DTexture(T* aTexture)
+{
+  MOZ_ASSERT(aTexture);
+  RefPtr<IDXGIKeyedMutex> mutex;
+  aTexture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mutex));
+  if (mutex) {
+    HRESULT hr = mutex->ReleaseSync(0);
+    if (FAILED(hr)) {
+      NS_WARNING("Failed to unlock the texture");
+    }
+  }
+}
+
+DXGITextureData::DXGITextureData(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
+                                 bool aNeedsClear, bool aNeedsClearWhite,
+                                 bool aIsForOutOfBandContent)
+: mSize(aSize)
+, mFormat(aFormat)
+, mNeedsClear(aNeedsClear)
+, mNeedsClearWhite(aNeedsClearWhite)
+, mHasSynchronization(false)
+, mIsForOutOfBandContent(aIsForOutOfBandContent)
+{}
+
+D3D11TextureData::D3D11TextureData(ID3D11Texture2D* aTexture,
+                                   gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
+                                   bool aNeedsClear, bool aNeedsClearWhite,
+                                   bool aIsForOutOfBandContent)
+: DXGITextureData(aSize, aFormat, aNeedsClear, aNeedsClearWhite, aIsForOutOfBandContent)
+, mTexture(aTexture)
+{
+  MOZ_ASSERT(aTexture);
+  mHasSynchronization = HasKeyedMutex(aTexture);
+}
+
+D3D11TextureData::~D3D11TextureData()
+{
+#ifdef DEBUG
+  // 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.
+  if (mDrawTarget) {
+    Lock(OpenMode::OPEN_NONE);
+    mDrawTarget = nullptr;
+    Unlock();
+  }
+#endif
+}
+
+bool
+D3D11TextureData::Lock(OpenMode aMode)
+{
+  if (!LockD3DTexture(mTexture.get())) {
+    return false;
+  }
+
+  if (NS_IsMainThread() && !mIsForOutOfBandContent) {
+    if (!PrepareDrawTargetInLock(aMode)) {
+      Unlock();
+      return false;
+    }
+  }
+
+  return true;
+}
+
+bool
+DXGITextureData::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 || mNeedsClearWhite)) {
+    mDrawTarget = BorrowDrawTarget();
+    if (!mDrawTarget) {
+      return false;
+    }
+  }
+
+  if (mNeedsClear) {
+    mDrawTarget->ClearRect(Rect(0, 0, mSize.width, mSize.height));
+    mNeedsClear = false;
+  }
+  if (mNeedsClearWhite) {
+    mDrawTarget->FillRect(Rect(0, 0, mSize.width, mSize.height), ColorPattern(Color(1.0, 1.0, 1.0, 1.0)));
+    mNeedsClearWhite = false;
+  }
+
+  return true;
+}
+
+void
+D3D11TextureData::Unlock()
+{
+  UnlockD3DTexture(mTexture.get());
+}
+
+
+void
+DXGITextureData::FillInfo(TextureData::Info& aInfo) const
+{
+  aInfo.size = mSize;
+  aInfo.format = mFormat;
+  aInfo.supportsMoz2D = true;
+  aInfo.hasIntermediateBuffer = false;
+  aInfo.hasSynchronization = mHasSynchronization;
+}
+
+void
+D3D11TextureData::SyncWithObject(SyncObject* aSyncObject)
+{
+  if (!aSyncObject || !NS_IsMainThread() || mIsForOutOfBandContent) {
+    // When off the main thread we sync using a keyed mutex per texture.
+    return;
+  }
+
+  MOZ_ASSERT(aSyncObject->GetSyncType() == SyncObject::SyncType::D3D11);
+  SyncObjectD3D11* sync = static_cast<SyncObjectD3D11*>(aSyncObject);
+  sync->RegisterTexture(mTexture);
+}
+
+bool
+DXGITextureData::Serialize(SurfaceDescriptor& aOutDescriptor)
+{
+  RefPtr<IDXGIResource> resource;
+  GetDXGIResource((IDXGIResource**)getter_AddRefs(resource));
+  if (!resource) {
+    return false;
+  }
+  HANDLE sharedHandle;
+  HRESULT hr = resource->GetSharedHandle(&sharedHandle);
+  if (FAILED(hr)) {
+    LOGD3D11("Error getting shared handle for texture.");
+    return false;
+  }
+
+  aOutDescriptor = SurfaceDescriptorD3D10((WindowsHandle)sharedHandle, mFormat, mSize);
+  return true;
+}
+
+DXGITextureData*
+DXGITextureData::Create(IntSize aSize, SurfaceFormat aFormat, TextureAllocationFlags aFlags)
+{
+  if (aFormat == SurfaceFormat::A8) {
+    // Currently we don't support A8 surfaces. Fallback.
+    return nullptr;
+  }
+
+  return D3D11TextureData::Create(aSize, aFormat, aFlags);
+}
+
+DXGITextureData*
+D3D11TextureData::Create(IntSize aSize, SurfaceFormat aFormat, SourceSurface* aSurface,
+                         TextureAllocationFlags aFlags, ID3D11Device* aDevice)
+{
+  // 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);
+
+  newDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED;
+  if (!NS_IsMainThread() || !!(aFlags & ALLOC_FOR_OUT_OF_BAND_CONTENT)) {
+    // 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;
+  if (aSurface) {
+    srcSurf = aSurface->GetDataSurface();
+
+    if (!srcSurf) {
+      gfxCriticalError() << "Failed to GetDataSurface in D3D11TextureData::Create";
+      return nullptr;
+    }
+
+    DataSourceSurface::MappedSurface sourceMap;
+    if (!srcSurf->Map(DataSourceSurface::READ, &sourceMap)) {
+      gfxCriticalError() << "Failed to map source surface for D3D11TextureData::Create";
+      return nullptr;
+    }
+
+    uploadData.pSysMem = sourceMap.mData;
+    uploadData.SysMemPitch = sourceMap.mStride;
+    uploadData.SysMemSlicePitch = 0; // unused
+
+    uploadDataPtr = &uploadData;
+  }
+
+  RefPtr<ID3D11Texture2D> texture11;
+  HRESULT hr = device->CreateTexture2D(&newDesc, uploadDataPtr, getter_AddRefs(texture11));
+  if (srcSurf) {
+    srcSurf->Unmap();
+  }
+  if (FAILED(hr)) {
+    gfxCriticalError(CriticalLog::DefaultOptions(Factory::ReasonableSurfaceSize(aSize)))
+      << "[D3D11] 2 CreateTexture2D failure " << aSize << " Code: " << gfx::hexa(hr);
+    return nullptr;
+  }
+
+  // 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())) {
+      return nullptr;
+    }
+    UnlockD3DTexture(texture11.get());
+  }
+  texture11->SetPrivateDataInterface(sD3D11TextureUsage,
+                                     new TextureMemoryMeasurer(newDesc.Width * newDesc.Height * 4));
+  return new D3D11TextureData(texture11, aSize, aFormat,
+                              aFlags & ALLOC_CLEAR_BUFFER,
+                              aFlags & ALLOC_CLEAR_BUFFER_WHITE,
+                              aFlags & ALLOC_FOR_OUT_OF_BAND_CONTENT);
+}
+
+DXGITextureData*
+D3D11TextureData::Create(IntSize aSize, SurfaceFormat aFormat,
+                         TextureAllocationFlags aFlags, ID3D11Device* aDevice)
+{
+  return D3D11TextureData::Create(aSize, aFormat, nullptr, aFlags, aDevice);
+}
+
+DXGITextureData*
+D3D11TextureData::Create(SourceSurface* aSurface,
+                         TextureAllocationFlags aFlags, ID3D11Device* aDevice)
+{
+  if (aSurface->GetFormat() == SurfaceFormat::A8) {
+    // Currently we don't support A8 surfaces. Fallback.
+    return nullptr;
+  }
+
+  return D3D11TextureData::Create(aSurface->GetSize(), aSurface->GetFormat(),
+                                  aSurface, aFlags, aDevice);
+}
+
+void
+D3D11TextureData::Deallocate(LayersIPCChannel* aAllocator)
+{
+  mDrawTarget = nullptr;
+  mTexture = nullptr;
+}
+
+already_AddRefed<TextureClient>
+CreateD3D11TextureClientWithDevice(IntSize aSize, SurfaceFormat aFormat,
+                                   TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags,
+                                   ID3D11Device* aDevice,
+                                   LayersIPCChannel* aAllocator)
+{
+  TextureData* data = D3D11TextureData::Create(aSize, aFormat, aAllocFlags, aDevice);
+  if (!data) {
+    return nullptr;
+  }
+  return MakeAndAddRef<TextureClient>(data, aTextureFlags, aAllocator);
+}
+
+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);
+}
+
+DXGIYCbCrTextureData*
+DXGIYCbCrTextureData::Create(TextureFlags aFlags,
+                             IUnknown* aTextureY,
+                             IUnknown* aTextureCb,
+                             IUnknown* aTextureCr,
+                             HANDLE aHandleY,
+                             HANDLE aHandleCb,
+                             HANDLE aHandleCr,
+                             const gfx::IntSize& aSize,
+                             const gfx::IntSize& aSizeY,
+                             const gfx::IntSize& aSizeCbCr)
+{
+  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->mHoldRefs[0] = aTextureY;
+  texture->mHoldRefs[1] = aTextureCb;
+  texture->mHoldRefs[2] = aTextureCr;
+  texture->mSize = aSize;
+  texture->mSizeY = aSizeY;
+  texture->mSizeCbCr = aSizeCbCr;
+
+  return texture;
+}
+
+DXGIYCbCrTextureData*
+DXGIYCbCrTextureData::Create(TextureFlags aFlags,
+                             ID3D11Texture2D* aTextureY,
+                             ID3D11Texture2D* aTextureCb,
+                             ID3D11Texture2D* aTextureCr,
+                             const gfx::IntSize& aSize,
+                             const gfx::IntSize& aSizeY,
+                             const gfx::IntSize& aSizeCbCr)
+{
+  if (!aTextureY || !aTextureCb || !aTextureCr) {
+    return nullptr;
+  }
+
+  aTextureY->SetPrivateDataInterface(sD3D11TextureUsage,
+    new TextureMemoryMeasurer(aSize.width * aSize.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;
+  }
+
+  return DXGIYCbCrTextureData::Create(aFlags,
+                                      aTextureY, aTextureCb, aTextureCr,
+                                      handleY, handleCb, handleCr,
+                                      aSize, aSizeY, aSizeCbCr);
+}
+
+void
+DXGIYCbCrTextureData::FillInfo(TextureData::Info& aInfo) const
+{
+  aInfo.size = mSize;
+  aInfo.format = gfx::SurfaceFormat::YUV;
+  aInfo.supportsMoz2D = false;
+  aInfo.hasIntermediateBuffer = false;
+  aInfo.hasSynchronization = false;
+}
+
+bool
+DXGIYCbCrTextureData::Serialize(SurfaceDescriptor& aOutDescriptor)
+{
+  aOutDescriptor = SurfaceDescriptorDXGIYCbCr(
+    (WindowsHandle)mHandles[0], (WindowsHandle)mHandles[1], (WindowsHandle)mHandles[2],
+    mSize, mSizeY, mSizeCbCr
+  );
+  return true;
+}
+
+void
+DXGIYCbCrTextureData::Deallocate(LayersIPCChannel*)
+{
+  mHoldRefs[0] = nullptr;
+  mHoldRefs[1] = nullptr;
+  mHoldRefs[2] = nullptr;
+}
+
+already_AddRefed<TextureHost>
+CreateTextureHostD3D11(const SurfaceDescriptor& aDesc,
+                       ISurfaceAllocator* aDeallocator,
+                       TextureFlags aFlags)
+{
+  RefPtr<TextureHost> result;
+  switch (aDesc.type()) {
+    case SurfaceDescriptor::TSurfaceDescriptorBuffer: {
+      result = CreateBackendIndependentTextureHost(aDesc, aDeallocator, aFlags);
+      break;
+    }
+    case SurfaceDescriptor::TSurfaceDescriptorD3D10: {
+      result = new DXGITextureHostD3D11(aFlags,
+                                        aDesc.get_SurfaceDescriptorD3D10());
+      break;
+    }
+    case SurfaceDescriptor::TSurfaceDescriptorDXGIYCbCr: {
+      result = new DXGIYCbCrTextureHostD3D11(aFlags,
+                                             aDesc.get_SurfaceDescriptorDXGIYCbCr());
+      break;
+    }
+    default: {
+      NS_WARNING("Unsupported SurfaceDescriptor type");
+    }
+  }
+  return result.forget();
+}
+
+
+already_AddRefed<DrawTarget>
+D3D11TextureData::BorrowDrawTarget()
+{
+  MOZ_ASSERT(NS_IsMainThread());
+
+  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(aFlags)
+  , mSize(aDescriptor.size())
+  , mHandle(aDescriptor.handle())
+  , mFormat(aDescriptor.format())
+  , mIsLocked(false)
+{
+}
+
+bool
+DXGITextureHostD3D11::OpenSharedHandle()
+{
+  if (!GetDevice()) {
+    return false;
+  }
+
+  HRESULT hr = GetDevice()->OpenSharedResource((HANDLE)mHandle,
+                                               __uuidof(ID3D11Texture2D),
+                                               (void**)(ID3D11Texture2D**)getter_AddRefs(mTexture));
+  if (FAILED(hr)) {
+    NS_WARNING("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 DeviceManagerDx::Get()->GetCompositorDevice();
+}
+
+static CompositorD3D11* AssertD3D11Compositor(Compositor* aCompositor)
+{
+  CompositorD3D11* compositor = aCompositor ? aCompositor->AsCompositorD3D11()
+                                            : nullptr;
+  if (!compositor) {
+    gfxCriticalNote << "[D3D11] Attempt to set an incompatible compositor";
+  }
+  return compositor;
+}
+
+void
+DXGITextureHostD3D11::SetCompositor(Compositor* aCompositor)
+{
+  CompositorD3D11* d3dCompositor = AssertD3D11Compositor(aCompositor);
+  if (!d3dCompositor) {
+    mCompositor = nullptr;
+    mTextureSource = nullptr;
+    return;
+  }
+  mCompositor = d3dCompositor;
+  if (mTextureSource) {
+    mTextureSource->SetCompositor(aCompositor);
+  }
+}
+
+Compositor*
+DXGITextureHostD3D11::GetCompositor()
+{
+  return mCompositor;
+}
+
+bool
+DXGITextureHostD3D11::Lock()
+{
+  if (!mCompositor) {
+    // Make an early return here if we call SetCompositor() with an incompatible
+    // compositor. This check tries to prevent the problem where we use that
+    // incompatible compositor to compose this texture.
+    return false;
+  }
+
+  return LockInternal();
+}
+
+bool
+DXGITextureHostD3D11::LockWithoutCompositor()
+{
+  // Unlike the normal Lock() function, this function may be called when
+  // mCompositor is nullptr such as during WebVR frame submission. So, there is
+  // no 'mCompositor' checking here.
+  return LockInternal();
+}
+
+void
+DXGITextureHostD3D11::Unlock()
+{
+  UnlockInternal();
+}
+
+void
+DXGITextureHostD3D11::UnlockWithoutCompositor()
+{
+  UnlockInternal();
+}
+
+bool
+DXGITextureHostD3D11::LockInternal()
+{
+  if (!GetDevice()) {
+    NS_WARNING("trying to lock a TextureHost without a D3D device");
+    return false;
+  }
+
+  if (!mTextureSource) {
+    if (!mTexture && !OpenSharedHandle()) {
+      DeviceManagerDx::Get()->ForceDeviceReset(ForcedDeviceResetReason::OPENSHAREDHANDLE);
+      return false;
+    }
+
+    mTextureSource = new DataTextureSourceD3D11(mFormat, mCompositor, mTexture);
+  }
+
+  mIsLocked = LockD3DTexture(mTextureSource->GetD3D11Texture());
+
+  return mIsLocked;
+}
+
+void
+DXGITextureHostD3D11::UnlockInternal()
+{
+  UnlockD3DTexture(mTextureSource->GetD3D11Texture());
+}
+
+bool
+DXGITextureHostD3D11::BindTextureSource(CompositableTextureSourceRef& aTexture)
+{
+  MOZ_ASSERT(mIsLocked);
+  // If Lock was successful we must have a valid TextureSource.
+  MOZ_ASSERT(mTextureSource);
+  aTexture = mTextureSource;
+  return !!aTexture;
+}
+
+DXGIYCbCrTextureHostD3D11::DXGIYCbCrTextureHostD3D11(TextureFlags aFlags,
+  const SurfaceDescriptorDXGIYCbCr& aDescriptor)
+  : TextureHost(aFlags)
+  , mSize(aDescriptor.size())
+  , mIsLocked(false)
+{
+  mHandles[0] = aDescriptor.handleY();
+  mHandles[1] = aDescriptor.handleCb();
+  mHandles[2] = aDescriptor.handleCr();
+}
+
+bool
+DXGIYCbCrTextureHostD3D11::OpenSharedHandle()
+{
+  RefPtr<ID3D11Device> device = GetDevice();
+  if (!device) {
+    return false;
+  }
+
+  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()
+{
+  if (mFlags & TextureFlags::INVALID_COMPOSITOR) {
+    return nullptr;
+  }
+
+  return DeviceManagerDx::Get()->GetCompositorDevice();
+}
+
+void
+DXGIYCbCrTextureHostD3D11::SetCompositor(Compositor* aCompositor)
+{
+  mCompositor = AssertD3D11Compositor(aCompositor);
+  if (!mCompositor) {
+    mTextureSources[0] = nullptr;
+    mTextureSources[1] = nullptr;
+    mTextureSources[2] = nullptr;
+    return;
+  }
+
+  if (mTextureSources[0]) {
+    mTextureSources[0]->SetCompositor(aCompositor);
+  }
+}
+
+Compositor*
+DXGIYCbCrTextureHostD3D11::GetCompositor()
+{
+  return mCompositor;
+}
+
+bool
+DXGIYCbCrTextureHostD3D11::Lock()
+{
+  if (!mCompositor) {
+    NS_WARNING("no suitable compositor");
+    return false;
+  }
+
+  if (!GetDevice()) {
+    NS_WARNING("trying to lock a TextureHost without a D3D device");
+    return false;
+  }
+  if (!mTextureSources[0]) {
+    if (!mTextures[0] && !OpenSharedHandle()) {
+      return false;
+    }
+
+    MOZ_ASSERT(mTextures[1] && mTextures[2]);
+
+    mTextureSources[0] = new DataTextureSourceD3D11(SurfaceFormat::A8, mCompositor, mTextures[0]);
+    mTextureSources[1] = new DataTextureSourceD3D11(SurfaceFormat::A8, mCompositor, mTextures[1]);
+    mTextureSources[2] = new DataTextureSourceD3D11(SurfaceFormat::A8, mCompositor, mTextures[2]);
+    mTextureSources[0]->SetNextSibling(mTextureSources[1]);
+    mTextureSources[1]->SetNextSibling(mTextureSources[2]);
+  }
+
+  mIsLocked = LockD3DTexture(mTextureSources[0]->GetD3D11Texture()) &&
+              LockD3DTexture(mTextureSources[1]->GetD3D11Texture()) &&
+              LockD3DTexture(mTextureSources[2]->GetD3D11Texture());
+
+  return mIsLocked;
+}
+
+void
+DXGIYCbCrTextureHostD3D11::Unlock()
+{
+  MOZ_ASSERT(mIsLocked);
+  UnlockD3DTexture(mTextureSources[0]->GetD3D11Texture());
+  UnlockD3DTexture(mTextureSources[1]->GetD3D11Texture());
+  UnlockD3DTexture(mTextureSources[2]->GetD3D11Texture());
+  mIsLocked = false;
+}
+
+bool
+DXGIYCbCrTextureHostD3D11::BindTextureSource(CompositableTextureSourceRef& aTexture)
+{
+  MOZ_ASSERT(mIsLocked);
+  // If Lock was successful we must have a valid TextureSource.
+  MOZ_ASSERT(mTextureSources[0] && mTextureSources[1] && mTextureSources[2]);
+  aTexture = mTextureSources[0].get();
+  return !!aTexture;
+}
+
+bool
+DataTextureSourceD3D11::Update(DataSourceSurface* aSurface,
+                               nsIntRegion* aDestRegion,
+                               IntPoint* aSrcOffset)
+{
+  // 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_ASSERT(aSurface);
+
+  MOZ_ASSERT(mAllowTextureUploads);
+  if (!mAllowTextureUploads) {
+    return false;
+  }
+
+  HRESULT hr;
+
+  if (!mCompositor || !mCompositor->GetDevice()) {
+    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 = mCompositor->GetMaxTextureSize();
+  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 (currentDesc.Width != mSize.width || currentDesc.Height != mSize.height ||
+          currentDesc.Format != dxgiFormat) {
+        mTexture = nullptr;
+        // Make sure we upload the whole surface.
+        aDestRegion = nullptr;
+      }
+    }
+
+    nsIntRegion *regionToUpdate = aDestRegion;
+    if (!mTexture) {
+      hr = mCompositor->GetDevice()->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;
+    }
+
+    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;
+
+        mCompositor->GetDC()->UpdateSubresource(mTexture, 0, &box, data, map.mStride, map.mStride * rect.height);
+      }
+    } else {
+      mCompositor->GetDC()->UpdateSubresource(mTexture, 0, nullptr, aSurface->GetData(),
+                                              aSurface->Stride(), aSurface->Stride() * 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;
+
+    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 = aSurface->GetData() +
+                         tileRect.y * aSurface->Stride() +
+                         tileRect.x * bpp;
+      initData.SysMemPitch = aSurface->Stride();
+
+      hr = mCompositor->GetDevice()->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;
+}
+
+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, mCompositor->GetMaxTextureSize());
+}
+
+IntRect
+DataTextureSourceD3D11::GetTileRect()
+{
+  IntRect rect = GetTileRect(mCurrentTile);
+  return IntRect(rect.x, rect.y, rect.width, rect.height);
+}
+
+void
+DataTextureSourceD3D11::SetCompositor(Compositor* aCompositor)
+{
+  CompositorD3D11* d3dCompositor = AssertD3D11Compositor(aCompositor);
+  if (!d3dCompositor) {
+    return;
+  }
+  mCompositor = d3dCompositor;
+  if (mNextSibling) {
+    mNextSibling->SetCompositor(aCompositor);
+  }
+}
+
+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();
+}
+
+SyncObjectD3D11::SyncObjectD3D11(SyncHandle aHandle)
+{
+  MOZ_ASSERT(aHandle);
+  mD3D11Device = DeviceManagerDx::Get()->GetContentDevice();
+  mHandle = aHandle;
+}
+
+void
+SyncObjectD3D11::RegisterTexture(ID3D11Texture2D* aTexture)
+{
+  mD3D11SyncedTextures.push_back(aTexture);
+}
+
+bool
+SyncObjectD3D11::IsSyncObjectValid()
+{
+  RefPtr<ID3D11Device> dev = DeviceManagerDx::Get()->GetContentDevice();
+  if (!dev || (dev != mD3D11Device)) {
+    return false;
+  }
+  return true;
+}
+
+void
+SyncObjectD3D11::FinalizeFrame()
+{
+  HRESULT hr;
+
+  if (!mD3D11Texture && mD3D11SyncedTextures.size()) {
+    RefPtr<ID3D11Device> device = DeviceManagerDx::Get()->GetContentDevice();
+
+    hr = device->OpenSharedResource(mHandle, __uuidof(ID3D11Texture2D), (void**)(ID3D11Texture2D**)getter_AddRefs(mD3D11Texture));
+
+    if (FAILED(hr) || !mD3D11Texture) {
+      gfxCriticalError() << "Failed to D3D11 OpenSharedResource for frame finalization: " << hexa(hr);
+
+      if (DeviceManagerDx::Get()->HasDeviceReset()) {
+        return;
+      }
+
+      gfxDevCrash(LogReason::D3D11FinalizeFrame) << "Without device reset: " << hexa(hr);
+    }
+
+    // test QI
+    RefPtr<IDXGIKeyedMutex> mutex;
+    hr = mD3D11Texture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mutex));
+
+    if (FAILED(hr) || !mutex) {
+      // Leave both the critical error and MOZ_CRASH for now; the critical error lets
+      // us "save" the hr value.  We will probably eventuall replace this with gfxDevCrash.
+      gfxCriticalError() << "Failed to get KeyedMutex (2): " << hexa(hr);
+      MOZ_CRASH("GFX: Cannot get D3D11 KeyedMutex");
+    }
+  }
+
+  if (mD3D11SyncedTextures.size()) {
+    RefPtr<IDXGIKeyedMutex> mutex;
+    hr = mD3D11Texture->QueryInterface((IDXGIKeyedMutex**)getter_AddRefs(mutex));
+    {
+      AutoTextureLock lock(mutex, hr, 20000);
+
+      if (hr == WAIT_TIMEOUT) {
+        if (DeviceManagerDx::Get()->HasDeviceReset()) {
+          gfxWarning() << "AcquireSync timed out because of device reset.";
+          return;
+        }
+        gfxDevCrash(LogReason::D3D11SyncLock) << "Timeout on the D3D11 sync lock";
+      }
+
+      D3D11_BOX box;
+      box.front = box.top = box.left = 0;
+      box.back = box.bottom = box.right = 1;
+
+      RefPtr<ID3D11Device> dev = DeviceManagerDx::Get()->GetContentDevice();
+      if (!dev) {
+        if (DeviceManagerDx::Get()->HasDeviceReset()) {
+          return;
+        }
+        MOZ_CRASH("GFX: Invalid D3D11 content device");
+      }
+
+      RefPtr<ID3D11DeviceContext> ctx;
+      dev->GetImmediateContext(getter_AddRefs(ctx));
+
+      for (auto iter = mD3D11SyncedTextures.begin(); iter != mD3D11SyncedTextures.end(); iter++) {
+        ctx->CopySubresourceRegion(mD3D11Texture, 0, 0, 0, 0, *iter, 0, &box);
+      }
+    }
+
+    mD3D11SyncedTextures.clear();
+  }
+}
+
+}
+}