/*

 * Copyright (C) 2010 Google Inc. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are

 * met:

 *

 *     * Redistributions of source code must retain the above copyright

 * notice, this list of conditions and the following disclaimer.

 *     * Redistributions in binary form must reproduce the above

 * copyright notice, this list of conditions and the following disclaimer

 * in the documentation and/or other materials provided with the

 * distribution.

 *     * Neither the name of Google Inc. nor the names of its

 * contributors may be used to endorse or promote products derived from

 * this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

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 */

#ifndef GLES2Context_h

#define GLES2Context_h

#include <wtf/Noncopyable.h>

#include <wtf/OwnPtr.h>

#include <wtf/PassOwnPtr.h>

namespace WebCore {

class GLES2ContextInternal;

class IntSize;

class Page;

class GLES2Context : public Noncopyable {

public:

    // Used by the implementation only

    static PassOwnPtr<GLES2Context> create(PassOwnPtr<GLES2ContextInternal>);

    ~GLES2Context();

    bool makeCurrent();

    bool destroy();

    bool swapBuffers();

    // Only valid for offscreen contexts.

    void resizeOffscreenContent(const IntSize&);

    // Returns the ID of the texture used for offscreen rendering in the context of the parent.

    // This texture is accessible by the GPU page compositor.

    unsigned getOffscreenContentParentTextureId();

private:

    GLES2Context();

    friend class GLES2ContextInternal;

    OwnPtr<GLES2ContextInternal> m_internal;

};

} // namespace WebCore

#endif