| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(WEBGL) |
| |
| #include "WebGLContextGroup.h" |
| |
| #include "GraphicsContext3D.h" |
| #include "WebGLRenderingContext.h" |
| #include "WebGLSharedObject.h" |
| |
| #if PLATFORM(QT) |
| #undef emit |
| #endif |
| |
| namespace WebCore { |
| |
| PassRefPtr<WebGLContextGroup> WebGLContextGroup::create() |
| { |
| RefPtr<WebGLContextGroup> contextGroup = adoptRef(new WebGLContextGroup()); |
| return contextGroup.release(); |
| } |
| |
| WebGLContextGroup::WebGLContextGroup() |
| { |
| } |
| |
| WebGLContextGroup::~WebGLContextGroup() |
| { |
| detachAndRemoveAllObjects(); |
| } |
| |
| GraphicsContext3D* WebGLContextGroup::getAGraphicsContext3D() |
| { |
| ASSERT(!m_contexts.isEmpty()); |
| HashSet<WebGLRenderingContext*>::iterator it = m_contexts.begin(); |
| return (*it)->graphicsContext3D(); |
| } |
| |
| void WebGLContextGroup::addContext(WebGLRenderingContext* context) |
| { |
| m_contexts.add(context); |
| } |
| |
| void WebGLContextGroup::removeContext(WebGLRenderingContext* context) |
| { |
| // We must call detachAndRemoveAllObjects before removing the last context. |
| if (m_contexts.size() == 1 && m_contexts.contains(context)) |
| detachAndRemoveAllObjects(); |
| |
| m_contexts.remove(context); |
| } |
| |
| void WebGLContextGroup::removeObject(WebGLSharedObject* object) |
| { |
| m_groupObjects.remove(object); |
| } |
| |
| void WebGLContextGroup::addObject(WebGLSharedObject* object) |
| { |
| m_groupObjects.add(object); |
| } |
| |
| void WebGLContextGroup::detachAndRemoveAllObjects() |
| { |
| while (!m_groupObjects.isEmpty()) { |
| HashSet<WebGLSharedObject*>::iterator it = m_groupObjects.begin(); |
| (*it)->detachContextGroup(); |
| } |
| } |
| |
| void WebGLContextGroup::loseContextGroup(WebGLRenderingContext::LostContextMode mode) |
| { |
| for (HashSet<WebGLRenderingContext*>::iterator it = m_contexts.begin(); it != m_contexts.end(); ++it) |
| (*it)->loseContextImpl(mode); |
| |
| detachAndRemoveAllObjects(); |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WEBGL) |