1 /*
2 * Copyright (C) 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2009 Google Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28
29 #if ENABLE(WEBGL)
30
31 #include "WebGLUniformLocation.h"
32
33 namespace WebCore {
34
create(WebGLProgram * program,GC3Dint location)35 PassRefPtr<WebGLUniformLocation> WebGLUniformLocation::create(WebGLProgram* program, GC3Dint location)
36 {
37 return adoptRef(new WebGLUniformLocation(program, location));
38 }
39
WebGLUniformLocation(WebGLProgram * program,GC3Dint location)40 WebGLUniformLocation::WebGLUniformLocation(WebGLProgram* program, GC3Dint location)
41 : m_program(program)
42 , m_location(location)
43 {
44 ASSERT(m_program);
45 m_linkCount = m_program->getLinkCount();
46 }
47
program() const48 WebGLProgram* WebGLUniformLocation::program() const
49 {
50 // If the program has been linked again, then this UniformLocation is no
51 // longer valid.
52 if (m_program->getLinkCount() != m_linkCount)
53 return 0;
54 return m_program.get();
55 }
56
location() const57 GC3Dint WebGLUniformLocation::location() const
58 {
59 // If the program has been linked again, then this UniformLocation is no
60 // longer valid.
61 ASSERT(m_program->getLinkCount() == m_linkCount);
62 return m_location;
63 }
64
65 }
66
67 #endif // ENABLE(WEBGL)
68