diff -r 000000000000 -r 6474c204b198 gfx/angle/src/libGLESv2/renderer/Image11.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/libGLESv2/renderer/Image11.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,76 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Image11.h: Defines the rx::Image11 class, which acts as the interface to
+// the actual underlying resources of a Texture
+
+#ifndef LIBGLESV2_RENDERER_IMAGE11_H_
+#define LIBGLESV2_RENDERER_IMAGE11_H_
+
+#include "libGLESv2/renderer/Image.h"
+
+#include "common/debug.h"
+
+namespace gl
+{
+class Framebuffer;
+}
+
+namespace rx
+{
+class Renderer;
+class Renderer11;
+class TextureStorageInterface2D;
+class TextureStorageInterfaceCube;
+
+class Image11 : public Image
+{
+  public:
+    Image11();
+    virtual ~Image11();
+
+    static Image11 *makeImage11(Image *img);
+
+    static void generateMipmap(Image11 *dest, Image11 *src);
+
+    virtual bool isDirty() const;
+
+    virtual bool updateSurface(TextureStorageInterface2D *storage, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
+    virtual bool updateSurface(TextureStorageInterfaceCube *storage, int face, int level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height);
+
+    virtual bool redefine(Renderer *renderer, GLint internalformat, GLsizei width, GLsizei height, bool forceRelease);
+
+    virtual bool isRenderableFormat() const;
+    DXGI_FORMAT getDXGIFormat() const;
+    
+    virtual void loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
+                  GLint unpackAlignment, const void *input);
+    virtual void loadCompressedData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height,
+                                    const void *input);
+
+    virtual void copy(GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height, gl::Framebuffer *source);
+
+  protected:
+    HRESULT map(D3D11_MAPPED_SUBRESOURCE *map);
+    void unmap();
+
+  private:
+    DISALLOW_COPY_AND_ASSIGN(Image11);
+
+    ID3D11Texture2D *getStagingTexture();
+    unsigned int getStagingSubresource();
+    void createStagingTexture();
+
+    Renderer11 *mRenderer;
+
+    DXGI_FORMAT mDXGIFormat;
+    ID3D11Texture2D *mStagingTexture;
+    unsigned int mStagingSubresource;
+};
+
+}
+
+#endif // LIBGLESV2_RENDERER_IMAGE11_H_