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| 1 /* | |
| 2 * Copyright (C) 2011 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "sky/engine/config.h" | |
| 27 | |
| 28 #include "sky/engine/core/html/canvas/WebGLContextGroup.h" | |
| 29 | |
| 30 #include "sky/engine/core/html/canvas/WebGLSharedObject.h" | |
| 31 | |
| 32 namespace blink { | |
| 33 | |
| 34 PassRefPtr<WebGLContextGroup> WebGLContextGroup::create() | |
| 35 { | |
| 36 RefPtr<WebGLContextGroup> contextGroup = adoptRef(new WebGLContextGroup()); | |
| 37 return contextGroup.release(); | |
| 38 } | |
| 39 | |
| 40 WebGLContextGroup::WebGLContextGroup() | |
| 41 { | |
| 42 } | |
| 43 | |
| 44 WebGLContextGroup::~WebGLContextGroup() | |
| 45 { | |
| 46 detachAndRemoveAllObjects(); | |
| 47 } | |
| 48 | |
| 49 blink::WebGraphicsContext3D* WebGLContextGroup::getAWebGraphicsContext3D() | |
| 50 { | |
| 51 ASSERT(!m_contexts.isEmpty()); | |
| 52 HashSet<WebGLRenderingContextBase*>::iterator it = m_contexts.begin(); | |
| 53 return (*it)->webContext(); | |
| 54 } | |
| 55 | |
| 56 void WebGLContextGroup::addContext(WebGLRenderingContextBase* context) | |
| 57 { | |
| 58 m_contexts.add(context); | |
| 59 } | |
| 60 | |
| 61 void WebGLContextGroup::removeContext(WebGLRenderingContextBase* context) | |
| 62 { | |
| 63 // We must call detachAndRemoveAllObjects before removing the last context. | |
| 64 if (m_contexts.size() == 1 && m_contexts.contains(context)) | |
| 65 detachAndRemoveAllObjects(); | |
| 66 | |
| 67 m_contexts.remove(context); | |
| 68 } | |
| 69 | |
| 70 void WebGLContextGroup::removeObject(WebGLSharedObject* object) | |
| 71 { | |
| 72 m_groupObjects.remove(object); | |
| 73 } | |
| 74 | |
| 75 void WebGLContextGroup::addObject(WebGLSharedObject* object) | |
| 76 { | |
| 77 m_groupObjects.add(object); | |
| 78 } | |
| 79 | |
| 80 void WebGLContextGroup::detachAndRemoveAllObjects() | |
| 81 { | |
| 82 while (!m_groupObjects.isEmpty()) { | |
| 83 HashSet<WebGLSharedObject*>::iterator it = m_groupObjects.begin(); | |
| 84 (*it)->detachContextGroup(); | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 void WebGLContextGroup::loseContextGroup(WebGLRenderingContextBase::LostContextM
ode mode, WebGLRenderingContextBase::AutoRecoveryMethod autoRecoveryMethod) | |
| 89 { | |
| 90 // Detach must happen before loseContextImpl, which destroys the GraphicsCon
text3D | |
| 91 // and prevents groupObjects from being properly deleted. | |
| 92 detachAndRemoveAllObjects(); | |
| 93 | |
| 94 for (HashSet<WebGLRenderingContextBase*>::iterator it = m_contexts.begin();
it != m_contexts.end(); ++it) | |
| 95 (*it)->loseContextImpl(mode, autoRecoveryMethod); | |
| 96 } | |
| 97 | |
| 98 } // namespace blink | |
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