// Copyright 2022 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
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// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
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#ifndef SRC_DAWN_NATIVE_OPENGL_UTILSEGL_H_
#define SRC_DAWN_NATIVE_OPENGL_UTILSEGL_H_

#include "src/dawn/common/RefCounted.h"
#include "src/dawn/common/Time.h"
#include "src/dawn/common/egl_platform.h"
#include "src/dawn/native/Error.h"
#include "src/dawn/native/opengl/DisplayEGL.h"
#include "src/utils/non_movable.h"

namespace dawn::native::opengl {

class Device;
struct OpenGLFunctions;

const char* EGLErrorAsString(EGLint error);
MaybeError CheckEGL(const EGLFunctions& egl, EGLBoolean result, const char* context);

class WrappedEGLSync : public RefCounted, NonMovable {
  public:
    // The `OpenGLFunctions` parameter is not used directly but enforces the requirement that a GL
    // context is current when calling these methods.
    static ResultOrError<Ref<WrappedEGLSync>> Create(DisplayEGL* display,
                                                     const OpenGLFunctions&,
                                                     EGLenum type,
                                                     const EGLint* attribs);
    static ResultOrError<Ref<WrappedEGLSync>> AcquireExternal(DisplayEGL* display, EGLSync sync);

    EGLSync Get() const;

    // Call eglSignalSync with given mode. Requires sync type of EGL_SYNC_REUSABLE_KHR.
    MaybeError Signal(const OpenGLFunctions&, EGLenum mode);

    // Call eglClientWaitSync
    ResultOrError<EGLenum> ClientWait(const OpenGLFunctions&, EGLint flags, Nanoseconds timeout);

    // Call eglWaitSync (server wait)
    MaybeError Wait(const OpenGLFunctions&);

    // Call eglDupNativeFenceFDANDROID
    ResultOrError<EGLint> DupFD(const OpenGLFunctions&);

  protected:
    WrappedEGLSync(DisplayEGL* display, EGLSync sync, bool ownsSync);
    ~WrappedEGLSync() override;

  private:
    Ref<DisplayEGL> mDisplay;
    EGLSync mSync = nullptr;
    bool mOwnsSync = false;
};

}  // namespace dawn::native::opengl

#endif  // SRC_DAWN_NATIVE_OPENGL_UTILSEGL_H_
