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| 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 "sky/engine/config.h" | |
| 28 | |
| 29 #include "sky/engine/core/html/canvas/WebGLUniformLocation.h" | |
| 30 | |
| 31 namespace blink { | |
| 32 | |
| 33 PassRefPtr<WebGLUniformLocation> WebGLUniformLocation::create(WebGLProgram* prog
ram, GLint location) | |
| 34 { | |
| 35 return adoptRef(new WebGLUniformLocation(program, location)); | |
| 36 } | |
| 37 | |
| 38 WebGLUniformLocation::WebGLUniformLocation(WebGLProgram* program, GLint location
) | |
| 39 : m_program(program) | |
| 40 , m_location(location) | |
| 41 { | |
| 42 ASSERT(m_program); | |
| 43 m_linkCount = m_program->linkCount(); | |
| 44 } | |
| 45 | |
| 46 WebGLProgram* WebGLUniformLocation::program() const | |
| 47 { | |
| 48 // If the program has been linked again, then this UniformLocation is no | |
| 49 // longer valid. | |
| 50 if (m_program->linkCount() != m_linkCount) | |
| 51 return 0; | |
| 52 return m_program.get(); | |
| 53 } | |
| 54 | |
| 55 GLint WebGLUniformLocation::location() const | |
| 56 { | |
| 57 // If the program has been linked again, then this UniformLocation is no | |
| 58 // longer valid. | |
| 59 ASSERT(m_program->linkCount() == m_linkCount); | |
| 60 return m_location; | |
| 61 } | |
| 62 | |
| 63 } | |
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