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1 /* | 1 /* |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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54 return (*it)->graphicsContext3D(); | 54 return (*it)->graphicsContext3D(); |
55 } | 55 } |
56 | 56 |
57 void WebGLContextGroup::addContext(WebGLRenderingContext* context) | 57 void WebGLContextGroup::addContext(WebGLRenderingContext* context) |
58 { | 58 { |
59 m_contexts.add(context); | 59 m_contexts.add(context); |
60 } | 60 } |
61 | 61 |
62 void WebGLContextGroup::removeContext(WebGLRenderingContext* context) | 62 void WebGLContextGroup::removeContext(WebGLRenderingContext* context) |
63 { | 63 { |
| 64 // Release all the resources this context has acquired. |
| 65 for (HashSet<WebGLSharedObject*>::iterator it = m_groupObjects.begin(); it !
= m_groupObjects.end(); ++it) { |
| 66 (*it)->release(context); |
| 67 (*it)->cancelAllPendingRequestsForContext(context); |
| 68 } |
| 69 |
64 // We must call detachAndRemoveAllObjects before removing the last context. | 70 // We must call detachAndRemoveAllObjects before removing the last context. |
65 if (m_contexts.size() == 1 && m_contexts.contains(context)) | 71 if (m_contexts.size() == 1 && m_contexts.contains(context)) |
66 detachAndRemoveAllObjects(); | 72 detachAndRemoveAllObjects(); |
67 | 73 |
68 m_contexts.remove(context); | 74 m_contexts.remove(context); |
69 } | 75 } |
70 | 76 |
71 void WebGLContextGroup::removeObject(WebGLSharedObject* object) | 77 void WebGLContextGroup::removeObject(WebGLSharedObject* object) |
72 { | 78 { |
73 m_groupObjects.remove(object); | 79 m_groupObjects.remove(object); |
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89 void WebGLContextGroup::loseContextGroup(WebGLRenderingContext::LostContextMode
mode) | 95 void WebGLContextGroup::loseContextGroup(WebGLRenderingContext::LostContextMode
mode) |
90 { | 96 { |
91 // Detach must happen before loseContextImpl, which destroys the GraphicsCon
text3D | 97 // Detach must happen before loseContextImpl, which destroys the GraphicsCon
text3D |
92 // and prevents groupObjects from being properly deleted. | 98 // and prevents groupObjects from being properly deleted. |
93 detachAndRemoveAllObjects(); | 99 detachAndRemoveAllObjects(); |
94 | 100 |
95 for (HashSet<WebGLRenderingContext*>::iterator it = m_contexts.begin(); it !
= m_contexts.end(); ++it) | 101 for (HashSet<WebGLRenderingContext*>::iterator it = m_contexts.begin(); it !
= m_contexts.end(); ++it) |
96 (*it)->loseContextImpl(mode); | 102 (*it)->loseContextImpl(mode); |
97 } | 103 } |
98 | 104 |
| 105 void WebGLContextGroup::cancelAcquireSharedResource(const WebGLRenderingContext*
context, long id) |
| 106 { |
| 107 for (HashSet<WebGLSharedObject*>::iterator it = m_groupObjects.begin(); it !
= m_groupObjects.end(); ++it) { |
| 108 if ((*it)->cancelAcquireRequest(context, id)) { |
| 109 break; |
| 110 } |
| 111 } |
| 112 } |
| 113 |
99 } // namespace WebCore | 114 } // namespace WebCore |
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