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/*
* Copyright (C) 2024 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#pragma once
#include <wtf/Noncopyable.h>
#include <wtf/TZoneMalloc.h>
#if OS(UNIX)
#include <wtf/unix/UnixFileDescriptor.h>
#endif
typedef struct __GLsync* GLsync;
namespace WebCore {
class GLFence {
WTF_MAKE_TZONE_ALLOCATED(GLFence);
WTF_MAKE_NONCOPYABLE(GLFence);
public:
static bool isSupported();
WEBCORE_EXPORT static std::unique_ptr<GLFence> create();
#if OS(UNIX)
WEBCORE_EXPORT static std::unique_ptr<GLFence> createExportable();
WEBCORE_EXPORT static std::unique_ptr<GLFence> importFD(WTF::UnixFileDescriptor&&);
#endif
virtual ~GLFence() = default;
virtual void clientWait() = 0;
virtual void serverWait() = 0;
#if OS(UNIX)
virtual WTF::UnixFileDescriptor exportFD() { return { }; }
#endif
protected:
GLFence() = default;
struct Capabilities {
bool eglSupported { false };
bool eglServerWaitSupported { false };
bool eglExportableSupported { false };
bool glSupported { false };
};
static const Capabilities& capabilities();
};
} // namespace WebCore
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