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 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 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 33namespace WebCore { 34 35PassRefPtr<WebGLUniformLocation> WebGLUniformLocation::create(WebGLProgram* program, GC3Dint location, GC3Denum type) 36{ 37 return adoptRef(new WebGLUniformLocation(program, location, type)); 38} 39 40WebGLUniformLocation::WebGLUniformLocation(WebGLProgram* program, GC3Dint location, GC3Denum type) 41 : m_program(program) 42 , m_location(location) 43 , m_type(type) 44{ 45 ASSERT(m_program); 46 m_linkCount = m_program->getLinkCount(); 47} 48 49WebGLProgram* WebGLUniformLocation::program() const 50{ 51 // If the program has been linked again, then this UniformLocation is no 52 // longer valid. 53 if (m_program->getLinkCount() != m_linkCount) 54 return 0; 55 return m_program.get(); 56} 57 58GC3Dint WebGLUniformLocation::location() const 59{ 60 // If the program has been linked again, then this UniformLocation is no 61 // longer valid. 62 ASSERT(m_program->getLinkCount() == m_linkCount); 63 return m_location; 64} 65 66GC3Denum WebGLUniformLocation::type() const 67{ 68 // If the program has been linked again, then this UniformLocation is no 69 // longer valid. 70 ASSERT(m_program->getLinkCount() == m_linkCount); 71 return m_type; 72} 73 74} 75 76#endif // ENABLE(WEBGL) 77