1/*
2 * Copyright (C) 2011 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 "Extensions3DOpenGLCommon.h"
30
31#include "GraphicsContext3D.h"
32#include <wtf/HashSet.h>
33#include <wtf/text/StringHash.h>
34
35namespace WebCore {
36
37class Extensions3DOpenGL : public Extensions3DOpenGLCommon {
38    WTF_MAKE_FAST_ALLOCATED;
39public:
40    virtual ~Extensions3DOpenGL();
41
42    // Extensions3D methods.
43    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);
44    virtual void renderbufferStorageMultisample(unsigned long target, unsigned long samples, unsigned long internalformat, unsigned long width, unsigned long height);
45
46    virtual Platform3DObject createVertexArrayOES();
47    virtual void deleteVertexArrayOES(Platform3DObject);
48    virtual GC3Dboolean isVertexArrayOES(Platform3DObject);
49    virtual void bindVertexArrayOES(Platform3DObject);
50    virtual void insertEventMarkerEXT(const String&);
51    virtual void pushGroupMarkerEXT(const String&);
52    virtual void popGroupMarkerEXT(void);
53    virtual void drawBuffersEXT(GC3Dsizei, const GC3Denum*);
54
55    virtual void drawArraysInstanced(GC3Denum mode, GC3Dint first, GC3Dsizei count, GC3Dsizei primcount);
56    virtual void drawElementsInstanced(GC3Denum mode, GC3Dsizei count, GC3Denum type, long long offset, GC3Dsizei primcount);
57    virtual void vertexAttribDivisor(GC3Duint index, GC3Duint divisor);
58
59protected:
60    // This class only needs to be instantiated by GraphicsContext3D implementations.
61    friend class GraphicsContext3D;
62    Extensions3DOpenGL(GraphicsContext3D*);
63
64    virtual bool supportsExtension(const WTF::String&);
65    virtual String getExtensions();
66#if (PLATFORM(GTK) || PLATFORM(EFL) || PLATFORM(WIN) || PLATFORM(IOS))
67private:
68    bool isVertexArrayObjectSupported();
69#endif
70};
71
72} // namespace WebCore
73
74#endif // Extensions3DOpenGL_h
75