1 files changed, 70 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/EGLSync.h b/gfx/angle/checkout/src/libANGLE/EGLSync.h
new file mode 100644
index 0000000000..683ea374bd
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/EGLSync.h
@@ -0,0 +1,70 @@
+//
+// 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.
+//
+
+// EGLSync.h: Defines the egl::Sync classes, which support the EGL_KHR_fence_sync,
+// EGL_KHR_wait_sync and EGL 1.5 sync objects.
+
+#ifndef LIBANGLE_EGLSYNC_H_
+#define LIBANGLE_EGLSYNC_H_
+
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+
+#include "common/angleutils.h"
+
+namespace rx
+{
+class EGLImplFactory;
+class EGLSyncImpl;
+}  // namespace rx
+
+namespace gl
+{
+class Context;
+}  // namespace gl
+
+namespace egl
+{
+class Sync final : public angle::RefCountObject<Display, angle::Result>, public LabeledObject
+{
+  public:
+    Sync(rx::EGLImplFactory *factory, EGLenum type, const AttributeMap &attribs);
+    ~Sync() override;
+
+    void setLabel(EGLLabelKHR label) override;
+    EGLLabelKHR getLabel() const override;
+
+    void onDestroy(const Display *display) override;
+
+    Error initialize(const Display *display, const gl::Context *context);
+    Error clientWait(const Display *display,
+                     const gl::Context *context,
+                     EGLint flags,
+                     EGLTime timeout,
+                     EGLint *outResult);
+    Error serverWait(const Display *display, const gl::Context *context, EGLint flags);
+    Error getStatus(const Display *display, EGLint *outStatus) const;
+
+    Error dupNativeFenceFD(const Display *display, EGLint *result) const;
+
+    EGLenum getType() const { return mType; }
+    EGLint getCondition() const { return mCondition; }
+    EGLint getNativeFenceFD() const { return mNativeFenceFD; }
+
+  private:
+    std::unique_ptr<rx::EGLSyncImpl> mFence;
+
+    EGLLabelKHR mLabel;
+
+    EGLenum mType;
+    static constexpr EGLint mCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
+    EGLint mNativeFenceFD;
+};
+
+}  // namespace egl
+
+#endif  // LIBANGLE_FENCE_H_