diff -r 000000000000 -r 6474c204b198 gfx/gl/SharedSurfaceIO.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/gl/SharedSurfaceIO.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,79 @@
+/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
+/* 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 SHARED_SURFACEIO_H_
+#define SHARED_SURFACEIO_H_
+
+#include "gfxImageSurface.h"
+#include "SharedSurfaceGL.h"
+#include "mozilla/RefPtr.h"
+
+class MacIOSurface;
+
+namespace mozilla {
+namespace gl {
+
+class SharedSurface_IOSurface : public SharedSurface_GL
+{
+public:
+    static SharedSurface_IOSurface* Create(MacIOSurface* surface, GLContext *gl, bool hasAlpha);
+
+    ~SharedSurface_IOSurface();
+
+    virtual void LockProdImpl() MOZ_OVERRIDE { }
+    virtual void UnlockProdImpl() MOZ_OVERRIDE { }
+
+    virtual void Fence() MOZ_OVERRIDE;
+    virtual bool WaitSync() MOZ_OVERRIDE { return true; }
+
+    virtual bool ReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
+                            GLenum format, GLenum type, GLvoid *pixels) MOZ_OVERRIDE;
+
+    virtual GLuint ProdTexture() MOZ_OVERRIDE {
+        return mProdTex;
+    }
+
+    virtual GLenum ProdTextureTarget() const MOZ_OVERRIDE {
+        return LOCAL_GL_TEXTURE_RECTANGLE_ARB;
+    }
+
+    static SharedSurface_IOSurface* Cast(SharedSurface *surf) {
+        MOZ_ASSERT(surf->Type() == SharedSurfaceType::IOSurface);
+        return static_cast<SharedSurface_IOSurface*>(surf);
+    }
+
+    GLuint ConsTexture(GLContext* consGL);
+
+    GLenum ConsTextureTarget() const {
+        return LOCAL_GL_TEXTURE_RECTANGLE_ARB;
+    }
+
+private:
+    SharedSurface_IOSurface(MacIOSurface* surface, GLContext* gl, const gfx::IntSize& size, bool hasAlpha);
+
+    RefPtr<MacIOSurface> mSurface;
+    nsRefPtr<gfxImageSurface> mImageSurface;
+    GLuint mProdTex;
+    const GLContext* mCurConsGL;
+    GLuint mConsTex;
+};
+
+class SurfaceFactory_IOSurface : public SurfaceFactory_GL
+{
+public:
+    SurfaceFactory_IOSurface(GLContext* gl,
+                             const SurfaceCaps& caps)
+        : SurfaceFactory_GL(gl, SharedSurfaceType::IOSurface, caps)
+    {
+    }
+
+protected:
+    virtual SharedSurface* CreateShared(const gfx::IntSize& size) MOZ_OVERRIDE;
+};
+
+} /* namespace gfx */
+} /* namespace mozilla */
+
+#endif /* SHARED_SURFACEIO_H_ */