EGLReusableSync.h - mozsearch

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//

// Copyright 2020 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.

//

// EGL_KHR_reusable_sync

#ifndef LIBANGLE_RENDERER_EGLREUSABLESYNC_H_

#define LIBANGLE_RENDERER_EGLREUSABLESYNC_H_

#include "libANGLE/AttributeMap.h"

#include "libANGLE/renderer/EGLSyncImpl.h"

#include "common/angleutils.h"

#include <condition_variable>

namespace rx

class ReusableSync final : public EGLSyncImpl

  public:

    ReusableSync(const egl::AttributeMap &attribs);

    ~ReusableSync() override;

    void onDestroy(const egl::Display *display) override;

    egl::Error initialize(const egl::Display *display,

                          const gl::Context *context,

                          EGLenum type) override;

    egl::Error clientWait(const egl::Display *display,

                          const gl::Context *context,

                          EGLint flags,

                          EGLTime timeout,

                          EGLint *outResult) override;

    egl::Error serverWait(const egl::Display *display,

                          const gl::Context *context,

                          EGLint flags) override;

    egl::Error signal(const egl::Display *display,

                      const gl::Context *context,

                      EGLint mode) override;

    egl::Error getStatus(const egl::Display *display, EGLint *outStatus) override;

  private:

    EGLint mStatus;

    std::condition_variable mCondVar;

    std::unique_lock<std::mutex> mMutex;

};

}  // namespace rx

#endif  // LIBANGLE_RENDERER_EGLREUSABLESYNC_H_