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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef COMPOSITOR_RESOURCE_FENCE_H
#define COMPOSITOR_RESOURCE_FENCE_H
#include <base/memory/ref_counted.h>
#include <ui/gl/gl_fence.h>
namespace QtWebEngineCore {
// Sync object created on GPU thread and consumed on render thread.
class CompositorResourceFence final : public base::RefCountedThreadSafe<CompositorResourceFence>
{
public:
REQUIRE_ADOPTION_FOR_REFCOUNTED_TYPE();
CompositorResourceFence() {}
CompositorResourceFence(const gl::TransferableFence &sync) : m_sync(sync) {}
~CompositorResourceFence() { release(); }
// May be used only by Qt Quick render thread.
void wait();
void release();
// May be used only by GPU thread.
static scoped_refptr<CompositorResourceFence> create(std::unique_ptr<gl::GLFence> glFence = nullptr);
private:
gl::TransferableFence m_sync;
};
} // namespace QtWebEngineCore
#endif // !COMPOSITOR_RESOURCE_FENCE_H
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