Source/WebCore/html/canvas/WebGLQuery.h

/*
 * Copyright (C) 2015-2017 Apple 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:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#pragma once

#if ENABLE(WEBGL)

#include "WebGLSharedObject.h"

namespace WTF {
class AbstractLocker;
}

namespace WebCore {

class WebGLQuery final : public WebGLSharedObject {
public:
    static Ref<WebGLQuery> create(WebGLRenderingContextBase&);
    virtual ~WebGLQuery();

    bool isResultAvailable() const { return m_isResultAvailable; }

    void makeResultAvailable() { m_isResultAvailable = true; }

    void setTarget(GCGLenum target) { m_target = target; }
    GCGLenum target() const { return m_target; }

private:
    explicit WebGLQuery(WebGLRenderingContextBase&);
    void deleteObjectImpl(const AbstractLocker&, GraphicsContextGL*, PlatformGLObject) override;

    bool m_isResultAvailable { false };
    GCGLenum m_target { 0 };
};

} // namespace WebCore

#endif