1 files changed, 88 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/Fence.h b/gfx/angle/checkout/src/libANGLE/Fence.h
new file mode 100644
index 0000000000..152bb2289d
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Fence.h
@@ -0,0 +1,88 @@
+//
+// Copyright 2002 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.
+//
+
+// Fence.h: Defines the gl::FenceNV and gl::Sync classes, which support the GL_NV_fence
+// extension and GLES3 sync objects.
+
+#ifndef LIBANGLE_FENCE_H_
+#define LIBANGLE_FENCE_H_
+
+#include "libANGLE/Debug.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/RefCountObject.h"
+
+#include "common/angleutils.h"
+
+namespace rx
+{
+class GLImplFactory;
+class FenceNVImpl;
+class SyncImpl;
+}  // namespace rx
+
+namespace gl
+{
+
+class FenceNV final : angle::NonCopyable
+{
+  public:
+    explicit FenceNV(rx::GLImplFactory *factory);
+    virtual ~FenceNV();
+
+    void onDestroy(const gl::Context *context);
+    angle::Result set(const Context *context, GLenum condition);
+    angle::Result test(const Context *context, GLboolean *outResult);
+    angle::Result finish(const Context *context);
+
+    bool isSet() const { return mIsSet; }
+    GLboolean getStatus() const { return mStatus; }
+    GLenum getCondition() const { return mCondition; }
+
+  private:
+    rx::FenceNVImpl *mFence;
+
+    bool mIsSet;
+
+    GLboolean mStatus;
+    GLenum mCondition;
+};
+
+class Sync final : public RefCountObject<GLuint>, public LabeledObject
+{
+  public:
+    Sync(rx::GLImplFactory *factory, GLuint id);
+    ~Sync() override;
+
+    void onDestroy(const Context *context) override;
+
+    void setLabel(const Context *context, const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    angle::Result set(const Context *context, GLenum condition, GLbitfield flags);
+    angle::Result clientWait(const Context *context,
+                             GLbitfield flags,
+                             GLuint64 timeout,
+                             GLenum *outResult);
+    angle::Result serverWait(const Context *context, GLbitfield flags, GLuint64 timeout);
+    angle::Result getStatus(const Context *context, GLint *outResult) const;
+
+    GLenum getCondition() const { return mCondition; }
+    GLbitfield getFlags() const { return mFlags; }
+
+    rx::SyncImpl *getImplementation() const { return mFence; }
+
+  private:
+    rx::SyncImpl *mFence;
+
+    std::string mLabel;
+
+    GLenum mCondition;
+    GLbitfield mFlags;
+};
+
+}  // namespace gl
+
+#endif  // LIBANGLE_FENCE_H_