| /* | |
| * Copyright (C) 2009 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 COMPUTER, 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 COMPUTER, 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. | |
| */ | |
| #ifndef CanvasObject_h | |
| #define CanvasObject_h | |
| #include <wtf/PassRefPtr.h> | |
| #include <wtf/RefCounted.h> | |
| #include "GraphicsContext3D.h" | |
| namespace WebCore { | |
| class WebGLRenderingContext; | |
| class CanvasObject : public RefCounted<CanvasObject> { | |
| public: | |
| virtual ~CanvasObject(); | |
| Platform3DObject object() const { return m_object; } | |
| void setObject(Platform3DObject, bool shouldDeleteObject = true); | |
| void deleteObject(); | |
| void detachContext() | |
| { | |
| deleteObject(); | |
| m_context = 0; | |
| } | |
| WebGLRenderingContext* context() const { return m_context; } | |
| protected: | |
| CanvasObject(WebGLRenderingContext*); | |
| virtual void _deleteObject(Platform3DObject) = 0; | |
| private: | |
| Platform3DObject m_object; | |
| // The shouldDeleteObject flag indicates whether this wrapper | |
| // owns the underlying resource and should delete it when the | |
| // wrapper is unreferenced for the last time and deleted. It | |
| // is only set to false for certain objects returned from get | |
| // queries. FIXME: should consider canonicalizing all of these | |
| // objects in the future. | |
| bool m_shouldDeleteObject; | |
| WebGLRenderingContext* m_context; | |
| }; | |
| } // namespace WebCore | |
| #endif // CanvasObject_h |