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diff --git a/Source/ThirdParty/ANGLE/src/libGLESv2/geometry/vertexconversion.h b/Source/ThirdParty/ANGLE/src/libGLESv2/geometry/vertexconversion.h
new file mode 100644
index 000000000..e55dc72ce
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+++ b/Source/ThirdParty/ANGLE/src/libGLESv2/geometry/vertexconversion.h
@@ -0,0 +1,208 @@
+//
+// Copyright (c) 2002-2010 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.
+//
+
+// geometry/vertexconversion.h: A library of vertex conversion classes that can be used to build
+// the FormatConverter objects used by the buffer conversion system.
+
+#ifndef LIBGLESV2_GEOMETRY_VERTEXCONVERSION_H_
+#define LIBGLESV2_GEOMETRY_VERTEXCONVERSION_H_
+
+#include <cstddef>
+#include <limits>
+
+#include "libGLESv2/Context.h" // Defines Index
+
+namespace gl
+{
+
+// Conversion types:
+// static const bool identity: true if this is an identity transform, false otherwise
+// static U convert(T): convert a single element from the input type to the output type
+// typedef ... OutputType: the type produced by this conversion
+
+template <class T>
+struct Identity
+{
+    static const bool identity = true;
+
+    typedef T OutputType;
+
+    static T convert(T x)
+    {
+        return x;
+    }
+};
+
+template <class FromT, class ToT>
+struct Cast
+{
+    static const bool identity = false;
+
+    typedef ToT OutputType;
+
+    static ToT convert(FromT x)
+    {
+        return static_cast<ToT>(x);
+    }
+};
+
+template <class T>
+struct Cast<T, T>
+{
+    static const bool identity = true;
+
+    typedef T OutputType;
+
+    static T convert(T x)
+    {
+        return static_cast<T>(x);
+    }
+};
+
+template <class T>
+struct Normalize
+{
+    static const bool identity = false;
+
+    typedef float OutputType;
+
+    static float convert(T x)
+    {
+        typedef std::numeric_limits<T> NL;
+        float f = static_cast<float>(x);
+
+        if (NL::is_signed)
+        {
+            // const float => VC2008 computes it at compile time
+            // static const float => VC2008 computes it the first time we get here, stores it to memory with static guard and all that.
+            const float divisor = 1.0f/(2*static_cast<float>(NL::max())+1);
+            return (2*f+1)*divisor;
+        }
+        else
+        {
+            return f/NL::max();
+        }
+    }
+};
+
+template <class FromType, std::size_t ScaleBits>
+struct FixedToFloat
+{
+    static const bool identity = false;
+
+    typedef float OutputType;
+
+    static float convert(FromType x)
+    {
+        const float divisor = 1.0f / static_cast<float>(static_cast<FromType>(1) << ScaleBits);
+        return static_cast<float>(x) * divisor;
+    }
+};
+
+// Widen types:
+// static const unsigned int initialWidth: number of components before conversion
+// static const unsigned int finalWidth: number of components after conversion
+
+// Float is supported at any size.
+template <std::size_t N>
+struct NoWiden
+{
+    static const std::size_t initialWidth = N;
+    static const std::size_t finalWidth = N;
+};
+
+// SHORT, norm-SHORT, norm-UNSIGNED_SHORT are supported but only with 2 or 4 components
+template <std::size_t N>
+struct WidenToEven
+{
+    static const std::size_t initialWidth = N;
+    static const std::size_t finalWidth = N+(N&1);
+};
+
+template <std::size_t N>
+struct WidenToFour
+{
+    static const std::size_t initialWidth = N;
+    static const std::size_t finalWidth = 4;
+};
+
+// Most types have 0 and 1 that are just that.
+template <class T>
+struct SimpleDefaultValues
+{
+    static T zero() { return static_cast<T>(0); }
+    static T one() { return static_cast<T>(1); }
+};
+
+// But normalised types only store [0,1] or [-1,1] so 1.0 is represented by the max value.
+template <class T>
+struct NormalizedDefaultValues
+{
+    static T zero() { return static_cast<T>(0); }
+    static T one() { return std::numeric_limits<T>::max(); }
+};
+
+// Converter:
+// static const bool identity: true if this is an identity transform (with no widening)
+// static const std::size_t finalSize: number of bytes per output vertex
+// static void convertArray(const void *in, std::size_t stride, std::size_t n, void *out): convert an array of vertices. Input may be strided, but output will be unstrided.
+
+template <class InT, class WidenRule, class Converter, class DefaultValueRule = SimpleDefaultValues<InT> >
+struct VertexDataConverter
+{
+    typedef typename Converter::OutputType OutputType;
+    typedef InT InputType;
+
+    static const bool identity = (WidenRule::initialWidth == WidenRule::finalWidth) && Converter::identity;
+    static const std::size_t finalSize = WidenRule::finalWidth * sizeof(OutputType);
+
+    static void convertArray(const InputType *in, std::size_t stride, std::size_t n, OutputType *out)
+    {
+        for (std::size_t i = 0; i < n; i++)
+        {
+            const InputType *ein = pointerAddBytes(in, i * stride);
+
+            copyComponent(out, ein, 0, static_cast<OutputType>(DefaultValueRule::zero()));
+            copyComponent(out, ein, 1, static_cast<OutputType>(DefaultValueRule::zero()));
+            copyComponent(out, ein, 2, static_cast<OutputType>(DefaultValueRule::zero()));
+            copyComponent(out, ein, 3, static_cast<OutputType>(DefaultValueRule::one()));
+
+            out += WidenRule::finalWidth;
+        }
+    }
+
+    static void convertArray(const void *in, std::size_t stride, std::size_t n, void *out)
+    {
+        return convertArray(static_cast<const InputType*>(in), stride, n, static_cast<OutputType*>(out));
+    }
+
+  private:
+    // Advance the given pointer by a number of bytes (not pointed-to elements).
+    template <class T>
+    static T *pointerAddBytes(T *basePtr, std::size_t numBytes)
+    {
+        return reinterpret_cast<T *>(reinterpret_cast<uintptr_t>(basePtr) + numBytes);
+    }
+
+    static void copyComponent(OutputType *out, const InputType *in, std::size_t elementindex, OutputType defaultvalue)
+    {
+        if (WidenRule::finalWidth > elementindex)
+        {
+            if (WidenRule::initialWidth > elementindex)
+            {
+                out[elementindex] = Converter::convert(in[elementindex]);
+            }
+            else
+            {
+                out[elementindex] = defaultvalue;
+            }
+        }
+    }
+};
+
+}
+
+#endif   // LIBGLESV2_GEOMETRY_VERTEXCONVERSION_H_