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(3D_CANVAS)
29
30 #include "CanvasObject.h"
31 #include "WebGLRenderingContext.h"
32
33 namespace WebCore {
34
CanvasObject(WebGLRenderingContext * context)35 CanvasObject::CanvasObject(WebGLRenderingContext* context)
36 : m_object(0)
37 , m_shouldDeleteObject(true)
38 , m_context(context)
39 {
40 }
41
~CanvasObject()42 CanvasObject::~CanvasObject()
43 {
44 if (m_context)
45 m_context->removeObject(this);
46 }
47
setObject(Platform3DObject object,bool shouldDeleteObject)48 void CanvasObject::setObject(Platform3DObject object, bool shouldDeleteObject)
49 {
50 if (object == m_object)
51 return;
52
53 deleteObject();
54 m_object = object;
55 m_shouldDeleteObject = shouldDeleteObject;
56 }
57
deleteObject()58 void CanvasObject::deleteObject()
59 {
60 if (m_object) {
61 if (m_shouldDeleteObject)
62 if (m_context) {
63 m_context->graphicsContext3D()->makeContextCurrent();
64 _deleteObject(m_object);
65 }
66 m_object = 0;
67 }
68 m_shouldDeleteObject = true;
69 }
70
71 }
72
73 #endif // ENABLE(3D_CANVAS)
74