diff -r 000000000000 -r 6474c204b198 gfx/gl/GLContextTypes.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/gl/GLContextTypes.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 GLCONTEXT_TYPES_H_
+#define GLCONTEXT_TYPES_H_
+
+#include "GLTypes.h"
+#include "mozilla/TypedEnum.h"
+
+namespace mozilla {
+namespace gl {
+
+class GLContext;
+
+typedef uintptr_t SharedTextureHandle;
+
+MOZ_BEGIN_ENUM_CLASS(SharedTextureShareType)
+    SameProcess = 0,
+    CrossProcess
+MOZ_END_ENUM_CLASS(SharedTextureShareType)
+
+MOZ_BEGIN_ENUM_CLASS(SharedTextureBufferType)
+    TextureID,
+    SurfaceTexture,
+    IOSurface
+MOZ_END_ENUM_CLASS(SharedTextureBufferType)
+
+MOZ_BEGIN_ENUM_CLASS(GLContextType)
+    Unknown,
+    WGL,
+    CGL,
+    GLX,
+    EGL
+MOZ_END_ENUM_CLASS(GLContextType)
+
+struct GLFormats
+{
+    // Constructs a zeroed object:
+    GLFormats();
+
+    GLenum color_texInternalFormat;
+    GLenum color_texFormat;
+    GLenum color_texType;
+    GLenum color_rbFormat;
+
+    GLenum depthStencil;
+    GLenum depth;
+    GLenum stencil;
+
+    GLsizei samples;
+};
+
+
+struct PixelBufferFormat
+{
+    // Constructs a zeroed object:
+    PixelBufferFormat();
+
+    int red, green, blue;
+    int alpha;
+    int depth, stencil;
+    int samples;
+
+    int ColorBits() const { return red + green + blue; }
+};
+
+
+} /* namespace gl */
+} /* namespace mozilla */
+
+#endif /* GLCONTEXT_TYPES_H_ */