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diff --git a/gfx/2d/SourceSurfaceD2D1.h b/gfx/2d/SourceSurfaceD2D1.h
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+/* -*- 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/. */
+
+#ifndef MOZILLA_GFX_SOURCESURFACED2D1_H_
+#define MOZILLA_GFX_SOURCESURFACED2D1_H_
+
+#include "2D.h"
+#include "HelpersD2D.h"
+#include <vector>
+#include <d3d11.h>
+#include <d2d1_1.h>
+
+namespace mozilla {
+namespace gfx {
+
+class DrawTargetD2D1;
+
+class SourceSurfaceD2D1 : public SourceSurface {
+ public:
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceD2D1, override)
+
+ SourceSurfaceD2D1(ID2D1Image* aImage, ID2D1DeviceContext* aDC,
+ SurfaceFormat aFormat, const IntSize& aSize,
+ DrawTargetD2D1* aDT = nullptr);
+ ~SourceSurfaceD2D1();
+
+ SurfaceType GetType() const override { return SurfaceType::D2D1_1_IMAGE; }
+ IntSize GetSize() const override { return mSize; }
+ SurfaceFormat GetFormat() const override { return mFormat; }
+ bool IsValid() const override;
+ already_AddRefed<DataSourceSurface> GetDataSurface() override;
+
+ ID2D1Image* GetImage() { return mImage; }
+
+ void EnsureIndependent() {
+ if (!mDrawTarget) return;
+ DrawTargetWillChange();
+ }
+
+ private:
+ friend class DrawTargetD2D1;
+
+ bool EnsureRealizedBitmap();
+
+ // This function is called by the draw target this texture belongs to when
+ // it is about to be changed. The texture will be required to make a copy
+ // of itself when this happens.
+ void DrawTargetWillChange();
+
+ // This will mark the surface as no longer depending on its drawtarget,
+ // this may happen on destruction or copying.
+ void MarkIndependent();
+
+ RefPtr<ID2D1Image> mImage;
+ // This may be null if we were created for a non-bitmap image and have not
+ // had a reason yet to realize ourselves.
+ RefPtr<ID2D1Bitmap1> mRealizedBitmap;
+ RefPtr<ID2D1DeviceContext> mDC;
+ // Keep this around to verify whether out image is still valid in the future.
+ RefPtr<ID2D1Device> mDevice;
+
+ const SurfaceFormat mFormat;
+ const IntSize mSize;
+ DrawTargetD2D1* mDrawTarget;
+ std::shared_ptr<Mutex> mSnapshotLock;
+ bool mOwnsCopy;
+};
+
+class DataSourceSurfaceD2D1 : public DataSourceSurface {
+ public:
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceD2D1, override)
+
+ DataSourceSurfaceD2D1(ID2D1Bitmap1* aMappableBitmap, SurfaceFormat aFormat);
+ ~DataSourceSurfaceD2D1();
+
+ SurfaceType GetType() const override { return SurfaceType::DATA; }
+ IntSize GetSize() const override;
+ SurfaceFormat GetFormat() const override { return mFormat; }
+ bool IsValid() const override { return !!mBitmap; }
+ uint8_t* GetData() override;
+ int32_t Stride() override;
+ bool Map(MapType, MappedSurface* aMappedSurface) override;
+ void Unmap() override;
+
+ private:
+ friend class SourceSurfaceD2DTarget;
+ void EnsureMapped();
+
+ mutable RefPtr<ID2D1Bitmap1> mBitmap;
+ SurfaceFormat mFormat;
+ D2D1_MAPPED_RECT mMap;
+ bool mIsMapped;
+ bool mImplicitMapped;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif /* MOZILLA_GFX_SOURCESURFACED2D2TARGET_H_ */