1/*
2 * Copyright (C) 2009 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WebGLRenderbuffer_h
27#define WebGLRenderbuffer_h
28
29#include "WebGLSharedObject.h"
30
31#include <wtf/PassRefPtr.h>
32#include <wtf/RefCounted.h>
33
34namespace WebCore {
35
36class WebGLRenderbuffer : public WebGLSharedObject {
37public:
38    virtual ~WebGLRenderbuffer();
39
40    static PassRefPtr<WebGLRenderbuffer> create(WebGLRenderingContext*);
41
42    void setInternalFormat(GC3Denum internalformat)
43    {
44        m_internalFormat = internalformat;
45        m_initialized = false;
46    }
47    GC3Denum getInternalFormat() const { return m_internalFormat; }
48
49    void setSize(GC3Dsizei width, GC3Dsizei height)
50    {
51        m_width = width;
52        m_height = height;
53    }
54    GC3Dsizei getWidth() const { return m_width; }
55    GC3Dsizei getHeight() const { return m_height; }
56
57    void setIsValid(bool isValid) { m_isValid = isValid; }
58    bool isValid() const { return m_isValid; }
59
60    bool isInitialized() const { return m_initialized; }
61    void setInitialized() { m_initialized = true; }
62
63    bool hasEverBeenBound() const { return object() && m_hasEverBeenBound; }
64
65    void setHasEverBeenBound() { m_hasEverBeenBound = true; }
66
67protected:
68    WebGLRenderbuffer(WebGLRenderingContext*);
69
70    virtual void deleteObjectImpl(GraphicsContext3D*, Platform3DObject) override;
71
72private:
73    virtual bool isRenderbuffer() const override { return true; }
74
75    GC3Denum m_internalFormat;
76    bool m_initialized;
77    GC3Dsizei m_width, m_height;
78    bool m_isValid; // This is only false if internalFormat is DEPTH_STENCIL and packed_depth_stencil is not supported.
79
80    bool m_hasEverBeenBound;
81};
82
83} // namespace WebCore
84
85#endif // WebGLRenderbuffer_h
86