15c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)/*
25c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009 Apple Inc. All rights reserved.
35c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Copyright (C) 2009 Google Inc. All rights reserved.
45c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *
55c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * Redistribution and use in source and binary forms, with or without
65c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * modification, are permitted provided that the following conditions
75c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * are met:
85c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 1. Redistributions of source code must retain the above copyright
95c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *    notice, this list of conditions and the following disclaimer.
105c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright
115c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *    notice, this list of conditions and the following disclaimer in the
125c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *    documentation and/or other materials provided with the distribution.
135c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) *
145c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
155c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
165c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
175c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
185c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
195c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
205c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
215c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
225c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
235c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
2402772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
255c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles) */
265c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
275c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)#include "config.h"
285c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
2953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/html/canvas/WebGLUniformLocation.h"
305c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
315c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)namespace WebCore {
325c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
335c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)PassRefPtr<WebGLUniformLocation> WebGLUniformLocation::create(WebGLProgram* program, GC3Dint location)
345c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
355c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    return adoptRef(new WebGLUniformLocation(program, location));
365c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
375c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
385c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)WebGLUniformLocation::WebGLUniformLocation(WebGLProgram* program, GC3Dint location)
395c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    : m_program(program)
405c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    , m_location(location)
415c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
425c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    ASSERT(m_program);
4393ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)    ScriptWrappable::init(this);
449bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles)    m_linkCount = m_program->linkCount();
455c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
465c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
475c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)WebGLProgram* WebGLUniformLocation::program() const
485c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
495c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    // If the program has been linked again, then this UniformLocation is no
505c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    // longer valid.
519bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles)    if (m_program->linkCount() != m_linkCount)
525c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)        return 0;
535c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    return m_program.get();
545c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
555c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
565c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)GC3Dint WebGLUniformLocation::location() const
575c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles){
585c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    // If the program has been linked again, then this UniformLocation is no
595c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    // longer valid.
609bbd2f5e390b01907d97ecffde80aa1b06113aacTorne (Richard Coles)    ASSERT(m_program->linkCount() == m_linkCount);
615c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)    return m_location;
625c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
635c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)
645c87bf8b86a7c82ef50fb7a89697d8e02e2553beTorne (Richard Coles)}
65