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+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file contains Chromium-specific EGL extensions declarations.
+
+#ifndef GPU_EGL_EGLEXTCHROMIUM_H_
+#define GPU_EGL_EGLEXTCHROMIUM_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <EGL/eglplatform.h>
+
+/* EGLSyncControlCHROMIUM requires 64-bit uint support */
+#if KHRONOS_SUPPORT_INT64
+#ifndef EGL_CHROMIUM_sync_control
+#define EGL_CHROMIUM_sync_control 1
+typedef khronos_uint64_t EGLuint64CHROMIUM;
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncValuesCHROMIUM(
+ EGLDisplay dpy, EGLSurface surface, EGLuint64CHROMIUM *ust,
+ EGLuint64CHROMIUM *msc, EGLuint64CHROMIUM *sbc);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCVALUESCHROMIUMPROC)
+ (EGLDisplay dpy, EGLSurface surface, EGLuint64CHROMIUM *ust,
+ EGLuint64CHROMIUM *msc, EGLuint64CHROMIUM *sbc);
+#endif
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // GPU_EGL_EGLEXTCHROMIUM_H_