1 files changed, 79 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/Fence.h b/gfx/angle/src/libANGLE/Fence.h
new file mode 100755
index 000000000..b2daed6f0
--- /dev/null
+++ b/gfx/angle/src/libANGLE/Fence.h
@@ -0,0 +1,79 @@
+//
+// Copyright (c) 2002-2013 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::FenceSync 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 FenceNVImpl;
+class FenceSyncImpl;
+}
+
+namespace gl
+{
+
+class FenceNV final : angle::NonCopyable
+{
+  public:
+    explicit FenceNV(rx::FenceNVImpl *impl);
+    virtual ~FenceNV();
+
+    Error set(GLenum condition);
+    Error test(GLboolean *outResult);
+    Error finish();
+
+    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 FenceSync final : public RefCountObject, public LabeledObject
+{
+  public:
+    FenceSync(rx::FenceSyncImpl *impl, GLuint id);
+    virtual ~FenceSync();
+
+    void setLabel(const std::string &label) override;
+    const std::string &getLabel() const override;
+
+    Error set(GLenum condition, GLbitfield flags);
+    Error clientWait(GLbitfield flags, GLuint64 timeout, GLenum *outResult);
+    Error serverWait(GLbitfield flags, GLuint64 timeout);
+    Error getStatus(GLint *outResult) const;
+
+    GLenum getCondition() const { return mCondition; }
+    GLbitfield getFlags() const { return mFlags; }
+
+  private:
+    rx::FenceSyncImpl *mFence;
+
+    std::string mLabel;
+
+    GLenum mCondition;
+    GLbitfield mFlags;
+};
+
+}
+
+#endif   // LIBANGLE_FENCE_H_