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 COMPUTER, 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 COMPUTER, 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 #include "config.h"
27
28 #if ENABLE(WEBGL)
29
30 #include "WebGLObject.h"
31
32 #include "WebGLRenderingContext.h"
33
34 namespace WebCore {
35
WebGLObject(WebGLRenderingContext * context)36 WebGLObject::WebGLObject(WebGLRenderingContext* context)
37 : m_object(0)
38 , m_context(context)
39 , m_attachmentCount(0)
40 , m_deleted(false)
41 {
42 }
43
~WebGLObject()44 WebGLObject::~WebGLObject()
45 {
46 if (m_context)
47 m_context->removeObject(this);
48 }
49
setObject(Platform3DObject object)50 void WebGLObject::setObject(Platform3DObject object)
51 {
52 // object==0 && m_deleted==false indicating an uninitialized state;
53 ASSERT(!m_object && !m_deleted);
54 m_object = object;
55 }
56
deleteObject()57 void WebGLObject::deleteObject()
58 {
59 m_deleted = true;
60 if (!m_context || !m_object)
61 return;
62 if (!m_attachmentCount) {
63 m_context->graphicsContext3D()->makeContextCurrent();
64 deleteObjectImpl(m_object);
65 m_object = 0;
66 }
67 }
68
69 }
70
71 #endif // ENABLE(WEBGL)
72