EGLSync.h - mozsearch

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//

// Copyright 2019 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.

//

// EGLSync.h: Defines the egl::Sync classes, which support the EGL_KHR_fence_sync,

// EGL_KHR_wait_sync and EGL 1.5 sync objects.

#ifndef LIBANGLE_EGLSYNC_H_

#define LIBANGLE_EGLSYNC_H_

#include "libANGLE/Debug.h"

#include "libANGLE/Error.h"

#include "libANGLE/RefCountObject.h"

#include "common/angleutils.h"

namespace rx

class EGLImplFactory;

class EGLSyncImpl;

}  // namespace rx

namespace gl

class Context;

}  // namespace gl

namespace egl

class Sync final : public angle::RefCountObject<Display, angle::Result>, public LabeledObject

  public:

    Sync(rx::EGLImplFactory *factory, EGLenum type, const AttributeMap &attribs);

    ~Sync() override;

    void setLabel(EGLLabelKHR label) override;

    EGLLabelKHR getLabel() const override;

    void onDestroy(const Display *display) override;

    Error initialize(const Display *display, const gl::Context *context);

    Error clientWait(const Display *display,

                     const gl::Context *context,

                     EGLint flags,

                     EGLTime timeout,

                     EGLint *outResult);

    Error serverWait(const Display *display, const gl::Context *context, EGLint flags);

    Error signal(const Display *display, const gl::Context *context, EGLint mode);

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

    Error copyMetalSharedEventANGLE(const Display *display, void **result) const;

    Error dupNativeFenceFD(const Display *display, EGLint *result) const;

    EGLenum getType() const { return mType; }

    EGLint getCondition() const { return mCondition; }

    EGLint getNativeFenceFD() const { return mNativeFenceFD; }

  private:

    std::unique_ptr<rx::EGLSyncImpl> mFence;

    EGLLabelKHR mLabel;

    EGLenum mType;

    EGLint mCondition;

    EGLint mNativeFenceFD;

};

}  // namespace egl

#endif  // LIBANGLE_FENCE_H_