1 files changed, 50 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/SemaphoreImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/SemaphoreImpl.h
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index 0000000000..5beeba0d0a
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+++ b/gfx/angle/checkout/src/libANGLE/renderer/SemaphoreImpl.h
@@ -0,0 +1,50 @@
+//
+// Copyright 2019 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.
+//
+// SemaphoreImpl.h: Implements the rx::SemaphoreImpl class [EXT_external_objects]
+
+#ifndef LIBANGLE_RENDERER_SEMAPHOREIMPL_H_
+#define LIBANGLE_RENDERER_SEMAPHOREIMPL_H_
+
+#include "angle_gl.h"
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/angletypes.h"
+
+namespace gl
+{
+class Context;
+class Semaphore;
+}  // namespace gl
+
+namespace rx
+{
+
+class SemaphoreImpl : angle::NonCopyable
+{
+  public:
+    virtual ~SemaphoreImpl() {}
+
+    virtual void onDestroy(const gl::Context *context) = 0;
+
+    virtual angle::Result importFd(gl::Context *context, gl::HandleType handleType, GLint fd) = 0;
+
+    virtual angle::Result importZirconHandle(gl::Context *context,
+                                             gl::HandleType handleType,
+                                             GLuint handle) = 0;
+
+    virtual angle::Result wait(gl::Context *context,
+                               const gl::BufferBarrierVector &bufferBarriers,
+                               const gl::TextureBarrierVector &textureBarriers) = 0;
+
+    virtual angle::Result signal(gl::Context *context,
+                                 const gl::BufferBarrierVector &bufferBarriers,
+                                 const gl::TextureBarrierVector &textureBarriers) = 0;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_SEMAPHOREIMPL_H_