diff -r 000000000000 -r 6474c204b198 gfx/layers/composite/ImageHost.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/composite/ImageHost.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,92 @@
+/* -*- 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 MOZILLA_GFX_IMAGEHOST_H
+#define MOZILLA_GFX_IMAGEHOST_H
+
+#include <stdio.h>                      // for FILE
+#include "CompositableHost.h"           // for CompositableHost
+#include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
+#include "mozilla/RefPtr.h"             // for RefPtr
+#include "mozilla/gfx/Point.h"          // for Point
+#include "mozilla/gfx/Rect.h"           // for Rect
+#include "mozilla/gfx/Types.h"          // for Filter
+#include "mozilla/layers/CompositorTypes.h"  // for TextureInfo, etc
+#include "mozilla/layers/LayersSurfaces.h"  // for SurfaceDescriptor
+#include "mozilla/layers/LayersTypes.h"  // for LayerRenderState, etc
+#include "mozilla/layers/TextureHost.h"  // for TextureHost, etc
+#include "mozilla/mozalloc.h"           // for operator delete
+#include "nsCOMPtr.h"                   // for already_AddRefed
+#include "nsRect.h"                     // for nsIntRect
+#include "nscore.h"                     // for nsACString
+
+class nsIntRegion;
+
+namespace mozilla {
+namespace gfx {
+class Matrix4x4;
+}
+namespace layers {
+
+class Compositor;
+class ISurfaceAllocator;
+struct EffectChain;
+
+/**
+ * ImageHost. Works with ImageClientSingle and ImageClientBuffered
+ */
+class ImageHost : public CompositableHost
+{
+public:
+  ImageHost(const TextureInfo& aTextureInfo);
+  ~ImageHost();
+
+  virtual CompositableType GetType() { return mTextureInfo.mCompositableType; }
+
+  virtual void Composite(EffectChain& aEffectChain,
+                         float aOpacity,
+                         const gfx::Matrix4x4& aTransform,
+                         const gfx::Filter& aFilter,
+                         const gfx::Rect& aClipRect,
+                         const nsIntRegion* aVisibleRegion = nullptr,
+                         TiledLayerProperties* aLayerProperties = nullptr) MOZ_OVERRIDE;
+
+  virtual void UseTextureHost(TextureHost* aTexture) MOZ_OVERRIDE;
+
+  virtual void RemoveTextureHost(TextureHost* aTexture) MOZ_OVERRIDE;
+
+  virtual TextureHost* GetAsTextureHost() MOZ_OVERRIDE;
+
+  virtual void SetCompositor(Compositor* aCompositor) MOZ_OVERRIDE;
+
+  virtual void SetPictureRect(const nsIntRect& aPictureRect) MOZ_OVERRIDE
+  {
+    mPictureRect = aPictureRect;
+    mHasPictureRect = true;
+  }
+
+  virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
+
+  virtual void PrintInfo(nsACString& aTo, const char* aPrefix);
+
+#ifdef MOZ_DUMP_PAINTING
+  virtual void Dump(FILE* aFile = nullptr,
+                    const char* aPrefix = "",
+                    bool aDumpHtml = false) MOZ_OVERRIDE;
+
+  virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
+#endif
+
+protected:
+
+  RefPtr<TextureHost> mFrontBuffer;
+  nsIntRect mPictureRect;
+  bool mHasPictureRect;
+};
+
+}
+}
+
+#endif