1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef Extensions3DOpenGL_h
27#define Extensions3DOpenGL_h
28
29#include "Extensions3D.h"
30
31#include "GraphicsContext3D.h"
32#include <wtf/HashSet.h>
33#include <wtf/text/StringHash.h>
34
35namespace WebCore {
36
37class Extensions3DOpenGL : public Extensions3D {
38public:
39    virtual ~Extensions3DOpenGL();
40
41    // Extensions3D methods.
42    virtual bool supports(const String&);
43    virtual void ensureEnabled(const String&);
44    virtual bool isEnabled(const String&);
45    virtual int getGraphicsResetStatusARB();
46    virtual void blitFramebuffer(long srcX0, long srcY0, long srcX1, long srcY1, long dstX0, long dstY0, long dstX1, long dstY1, unsigned long mask, unsigned long filter);
47    virtual void renderbufferStorageMultisample(unsigned long target, unsigned long samples, unsigned long internalformat, unsigned long width, unsigned long height);
48
49    virtual Platform3DObject createVertexArrayOES();
50    virtual void deleteVertexArrayOES(Platform3DObject);
51    virtual GC3Dboolean isVertexArrayOES(Platform3DObject);
52    virtual void bindVertexArrayOES(Platform3DObject);
53
54private:
55    // This class only needs to be instantiated by GraphicsContext3D implementations.
56    friend class GraphicsContext3D;
57    Extensions3DOpenGL(GraphicsContext3D*);
58
59    bool m_initializedAvailableExtensions;
60    HashSet<String> m_availableExtensions;
61
62    // Weak pointer back to GraphicsContext3D
63    GraphicsContext3D* m_context;
64};
65
66} // namespace WebCore
67
68#endif // Extensions3DOpenGL_h
69