diff -r 000000000000 -r 6474c204b198 gfx/layers/d3d10/ThebesLayerD3D10.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/d3d10/ThebesLayerD3D10.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,79 @@
+/* -*- 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/. */
+
+#ifndef GFX_THEBESLAYERD3D10_H
+#define GFX_THEBESLAYERD3D10_H
+
+#include "LayerManagerD3D10.h"
+
+namespace mozilla {
+namespace layers {
+
+class ThebesLayerD3D10 : public ThebesLayer,
+                         public LayerD3D10
+{
+public:
+  ThebesLayerD3D10(LayerManagerD3D10 *aManager);
+  virtual ~ThebesLayerD3D10();
+
+  void Validate(ReadbackProcessor *aReadback);
+
+  /* ThebesLayer implementation */
+  void InvalidateRegion(const nsIntRegion& aRegion);
+
+  /* LayerD3D10 implementation */
+  virtual Layer* GetLayer();
+  virtual void RenderLayer();
+  virtual void Validate() { Validate(nullptr); }
+  virtual void LayerManagerDestroyed();
+
+private:
+  /* Texture with our surface data */
+  nsRefPtr<ID3D10Texture2D> mTexture;
+
+  /* Shader resource view for our texture */
+  nsRefPtr<ID3D10ShaderResourceView> mSRView;
+
+  /* Texture for render-on-whitew when doing component alpha */
+  nsRefPtr<ID3D10Texture2D> mTextureOnWhite;
+
+  /* Shader resource view for our render-on-white texture */
+  nsRefPtr<ID3D10ShaderResourceView> mSRViewOnWhite;
+
+  /* Area of layer currently stored in texture(s) */
+  nsIntRect mTextureRect;
+
+  /* Last surface mode set in Validate() */
+  SurfaceMode mCurrentSurfaceMode;
+
+  /* Checks if our D2D surface has the right content type */
+  void VerifyContentType(SurfaceMode aMode);
+
+  /* This contains the thebes surface */
+  nsRefPtr<gfxASurface> mD2DSurface;
+
+  mozilla::RefPtr<mozilla::gfx::DrawTarget> mDrawTarget;
+
+  /* This contains the thebes surface for our render-on-white texture */
+  nsRefPtr<gfxASurface> mD2DSurfaceOnWhite;
+
+  /* Have a region of our layer drawn */
+  void DrawRegion(nsIntRegion &aRegion, SurfaceMode aMode);
+
+  /* Create a new texture */
+  void CreateNewTextures(const gfx::IntSize &aSize, SurfaceMode aMode);
+
+  // Fill textures with opaque black and white in the specified region.
+  void FillTexturesBlackWhite(const nsIntRegion& aRegion, const nsIntPoint& aOffset);
+
+  /* Copy a texture region */
+  void CopyRegion(ID3D10Texture2D* aSrc, const nsIntPoint &aSrcOffset,
+                  ID3D10Texture2D* aDest, const nsIntPoint &aDestOffset,
+                  const nsIntRegion &aCopyRegion, nsIntRegion* aValidRegion);
+};
+
+} /* layers */
+} /* mozilla */
+#endif /* GFX_THEBESLAYERD3D10_H */