1 files changed, 42 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.h
new file mode 100644
index 0000000000..75ef6fdbf8
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+++ b/gfx/angle/checkout/src/libANGLE/renderer/TransformFeedbackImpl.h
@@ -0,0 +1,42 @@
+//
+// Copyright 2014 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.
+//
+
+// TransformFeedbackImpl.h: Defines the abstract rx::TransformFeedbackImpl class.
+
+#ifndef LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
+#define LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_
+
+#include "common/angleutils.h"
+#include "libANGLE/TransformFeedback.h"
+
+namespace rx
+{
+
+class TransformFeedbackImpl : angle::NonCopyable
+{
+  public:
+    TransformFeedbackImpl(const gl::TransformFeedbackState &state) : mState(state) {}
+    virtual ~TransformFeedbackImpl() {}
+    virtual void onDestroy(const gl::Context *context) {}
+
+    virtual angle::Result begin(const gl::Context *context, gl::PrimitiveMode primitiveMode) = 0;
+    virtual angle::Result end(const gl::Context *context)                                    = 0;
+    virtual angle::Result pause(const gl::Context *context)                                  = 0;
+    virtual angle::Result resume(const gl::Context *context)                                 = 0;
+
+    virtual angle::Result bindIndexedBuffer(
+        const gl::Context *context,
+        size_t index,
+        const gl::OffsetBindingPointer<gl::Buffer> &binding) = 0;
+
+    virtual angle::Result onLabelUpdate(const gl::Context *context);
+
+  protected:
+    const gl::TransformFeedbackState &mState;
+};
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_TRANSFORMFEEDBACKIMPL_H_