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diff --git a/Source/ThirdParty/ANGLE/src/libANGLE/renderer/StreamProducerImpl.h b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/StreamProducerImpl.h
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+++ b/Source/ThirdParty/ANGLE/src/libANGLE/renderer/StreamProducerImpl.h
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+//
+// Copyright (c) 2016 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.
+//
+
+// StreamProducerImpl.h: Defines the abstract rx::StreamProducerImpl class.
+
+#ifndef LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_
+#define LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/Stream.h"
+
+namespace rx
+{
+
+class StreamProducerImpl : angle::NonCopyable
+{
+  public:
+    explicit StreamProducerImpl() {}
+    virtual ~StreamProducerImpl() {}
+
+    // Validates the ability for the producer to accept an arbitrary pointer to a frame. All
+    // pointers should be validated through this function before being used to produce a frame.
+    virtual egl::Error validateD3DNV12Texture(void *pointer) const = 0;
+
+    // Constructs a frame from an arbitrary external pointer that points to producer specific frame
+    // data. Replaces the internal frame with the new one.
+    virtual void postD3DNV12Texture(void *pointer, const egl::AttributeMap &attributes) = 0;
+
+    // Returns an OpenGL texture interpretation of some frame attributes for the purpose of
+    // constructing an OpenGL texture from a frame. Depending on the producer and consumer, some
+    // frames may have multiple "planes" with different OpenGL texture representations.
+    virtual egl::Stream::GLTextureDescription getGLFrameDescription(int planeIndex) = 0;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_STREAMPRODUCERIMPL_H_