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 35 PassRefPtr<WebGLUniformLocation> WebGLUniformLocation::create(WebGLProgram* program, GC3Dint location) 36 { 37 return adoptRef(new WebGLUniformLocation(program, location)); 38 } 39 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 48 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 57 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
