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1 /* | 1 /* |
2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google 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 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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79 , m_contextProvider(contextProvider) | 79 , m_contextProvider(contextProvider) |
80 , m_imageBuffer(0) | 80 , m_imageBuffer(0) |
81 , m_msaaSampleCount(msaaSampleCount) | 81 , m_msaaSampleCount(msaaSampleCount) |
82 , m_bytesAllocated(0) | 82 , m_bytesAllocated(0) |
83 , m_didRecordDrawCommand(false) | 83 , m_didRecordDrawCommand(false) |
84 , m_isSurfaceValid(true) | 84 , m_isSurfaceValid(true) |
85 , m_framesPending(0) | 85 , m_framesPending(0) |
86 , m_framesSinceMailboxRelease(0) | 86 , m_framesSinceMailboxRelease(0) |
87 , m_destructionInProgress(false) | 87 , m_destructionInProgress(false) |
88 , m_rateLimitingEnabled(false) | 88 , m_rateLimitingEnabled(false) |
| 89 , m_nearestNeighbor(false) |
89 , m_isHidden(false) | 90 , m_isHidden(false) |
90 , m_next(0) | 91 , m_next(0) |
91 , m_prev(0) | 92 , m_prev(0) |
92 , m_lastImageId(0) | 93 , m_lastImageId(0) |
93 , m_releasedMailboxInfoIndex(InvalidMailboxIndex) | 94 , m_releasedMailboxInfoIndex(InvalidMailboxIndex) |
94 { | 95 { |
95 ASSERT(m_canvas); | 96 ASSERT(m_canvas); |
96 ASSERT(m_surface); | 97 ASSERT(m_surface); |
97 ASSERT(m_contextProvider); | 98 ASSERT(m_contextProvider); |
98 // Used by browser tests to detect the use of a Canvas2DLayerBridge. | 99 // Used by browser tests to detect the use of a Canvas2DLayerBridge. |
99 TRACE_EVENT_INSTANT0("test_gpu", "Canvas2DLayerBridgeCreation"); | 100 TRACE_EVENT_INSTANT0("test_gpu", "Canvas2DLayerBridgeCreation"); |
100 m_layer = adoptPtr(Platform::current()->compositorSupport()->createExternalT
extureLayer(this)); | 101 m_layer = adoptPtr(Platform::current()->compositorSupport()->createExternalT
extureLayer(this)); |
101 m_layer->setOpaque(opacityMode == Opaque); | 102 m_layer->setOpaque(opacityMode == Opaque); |
102 m_layer->setBlendBackgroundColor(opacityMode != Opaque); | 103 m_layer->setBlendBackgroundColor(opacityMode != Opaque); |
103 GraphicsLayer::registerContentsLayer(m_layer->layer()); | 104 GraphicsLayer::registerContentsLayer(m_layer->layer()); |
104 m_layer->setRateLimitContext(m_rateLimitingEnabled); | 105 m_layer->setRateLimitContext(m_rateLimitingEnabled); |
| 106 m_layer->setNearestNeighbor(m_nearestNeighbor); |
105 m_canvas->setNotificationClient(this); | 107 m_canvas->setNotificationClient(this); |
106 #ifndef NDEBUG | 108 #ifndef NDEBUG |
107 canvas2DLayerBridgeInstanceCounter.increment(); | 109 canvas2DLayerBridgeInstanceCounter.increment(); |
108 #endif | 110 #endif |
109 } | 111 } |
110 | 112 |
111 Canvas2DLayerBridge::~Canvas2DLayerBridge() | 113 Canvas2DLayerBridge::~Canvas2DLayerBridge() |
112 { | 114 { |
113 ASSERT(m_destructionInProgress); | 115 ASSERT(m_destructionInProgress); |
114 ASSERT(!Canvas2DLayerManager::get().isInList(this)); | 116 ASSERT(!Canvas2DLayerManager::get().isInList(this)); |
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143 m_layer->clearTexture(); | 145 m_layer->clearTexture(); |
144 // Orphaning the layer is required to trigger the recration of a new layer | 146 // Orphaning the layer is required to trigger the recration of a new layer |
145 // in the case where destruction is caused by a canvas resize. Test: | 147 // in the case where destruction is caused by a canvas resize. Test: |
146 // virtual/gpu/fast/canvas/canvas-resize-after-paint-without-layout.html | 148 // virtual/gpu/fast/canvas/canvas-resize-after-paint-without-layout.html |
147 m_layer->layer()->removeFromParent(); | 149 m_layer->layer()->removeFromParent(); |
148 // To anyone who ever hits this assert: Please update crbug.com/344666 | 150 // To anyone who ever hits this assert: Please update crbug.com/344666 |
149 // with repro steps. | 151 // with repro steps. |
150 ASSERT(!m_bytesAllocated); | 152 ASSERT(!m_bytesAllocated); |
151 } | 153 } |
152 | 154 |
| 155 void Canvas2DLayerBridge::setNearestNeighbor(bool nearestNeighbor) |
| 156 { |
| 157 ASSERT(!m_destructionInProgress); |
| 158 if (m_nearestNeighbor != nearestNeighbor) { |
| 159 m_nearestNeighbor = nearestNeighbor; |
| 160 m_layer->setNearestNeighbor(m_nearestNeighbor); |
| 161 } |
| 162 } |
| 163 |
153 void Canvas2DLayerBridge::setIsHidden(bool hidden) | 164 void Canvas2DLayerBridge::setIsHidden(bool hidden) |
154 { | 165 { |
155 ASSERT(!m_destructionInProgress); | 166 ASSERT(!m_destructionInProgress); |
156 bool newHiddenValue = hidden || m_destructionInProgress; | 167 bool newHiddenValue = hidden || m_destructionInProgress; |
157 if (m_isHidden == newHiddenValue) | 168 if (m_isHidden == newHiddenValue) |
158 return; | 169 return; |
159 | 170 |
160 m_isHidden = newHiddenValue; | 171 m_isHidden = newHiddenValue; |
161 if (isHidden()) { | 172 if (isHidden()) { |
162 freeTransientResources(); | 173 freeTransientResources(); |
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587 // This copy constructor should only be used for Vector reallocation | 598 // This copy constructor should only be used for Vector reallocation |
588 // Assuming 'other' is to be destroyed, we transfer m_image and | 599 // Assuming 'other' is to be destroyed, we transfer m_image and |
589 // m_parentLayerBridge ownership rather than do a refcount dance. | 600 // m_parentLayerBridge ownership rather than do a refcount dance. |
590 memcpy(&m_mailbox, &other.m_mailbox, sizeof(m_mailbox)); | 601 memcpy(&m_mailbox, &other.m_mailbox, sizeof(m_mailbox)); |
591 m_image = const_cast<MailboxInfo*>(&other)->m_image.release(); | 602 m_image = const_cast<MailboxInfo*>(&other)->m_image.release(); |
592 m_parentLayerBridge = const_cast<MailboxInfo*>(&other)->m_parentLayerBridge.
release(); | 603 m_parentLayerBridge = const_cast<MailboxInfo*>(&other)->m_parentLayerBridge.
release(); |
593 m_status = other.m_status; | 604 m_status = other.m_status; |
594 } | 605 } |
595 | 606 |
596 } // namespace blink | 607 } // namespace blink |
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