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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 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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43 CCLayerImpl::CCLayerImpl(int id) | 43 CCLayerImpl::CCLayerImpl(int id) |
44 : m_parent(0) | 44 : m_parent(0) |
45 , m_maskLayerId(-1) | 45 , m_maskLayerId(-1) |
46 , m_replicaLayerId(-1) | 46 , m_replicaLayerId(-1) |
47 , m_layerId(id) | 47 , m_layerId(id) |
48 , m_anchorPoint(0.5, 0.5) | 48 , m_anchorPoint(0.5, 0.5) |
49 , m_anchorPointZ(0) | 49 , m_anchorPointZ(0) |
50 , m_scrollable(false) | 50 , m_scrollable(false) |
51 , m_shouldScrollOnMainThread(false) | 51 , m_shouldScrollOnMainThread(false) |
52 , m_haveWheelEventHandlers(false) | 52 , m_haveWheelEventHandlers(false) |
53 , m_backgroundCoversViewport(false) | |
54 , m_doubleSided(true) | 53 , m_doubleSided(true) |
55 , m_layerPropertyChanged(false) | 54 , m_layerPropertyChanged(false) |
56 , m_masksToBounds(false) | 55 , m_masksToBounds(false) |
57 , m_opaque(false) | 56 , m_opaque(false) |
58 , m_opacity(1.0) | 57 , m_opacity(1.0) |
59 , m_preserves3D(false) | 58 , m_preserves3D(false) |
60 , m_usesLayerClipping(false) | 59 , m_usesLayerClipping(false) |
61 , m_isNonCompositedContent(false) | 60 , m_isNonCompositedContent(false) |
62 , m_drawsContent(false) | 61 , m_drawsContent(false) |
63 , m_pageScaleDelta(1) | 62 , m_pageScaleDelta(1) |
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129 } | 128 } |
130 | 129 |
131 PassOwnPtr<CCSharedQuadState> CCLayerImpl::createSharedQuadState() const | 130 PassOwnPtr<CCSharedQuadState> CCLayerImpl::createSharedQuadState() const |
132 { | 131 { |
133 IntRect layerClipRect; | 132 IntRect layerClipRect; |
134 if (usesLayerClipping()) | 133 if (usesLayerClipping()) |
135 layerClipRect = clipRect(); | 134 layerClipRect = clipRect(); |
136 return CCSharedQuadState::create(quadTransform(), drawTransform(), visibleLa
yerRect(), layerClipRect, drawOpacity(), opaque()); | 135 return CCSharedQuadState::create(quadTransform(), drawTransform(), visibleLa
yerRect(), layerClipRect, drawOpacity(), opaque()); |
137 } | 136 } |
138 | 137 |
139 void CCLayerImpl::appendQuads(CCQuadCuller& quadList, const CCSharedQuadState* s
haredQuadState, bool&) | |
140 { | |
141 appendGutterQuads(quadList, sharedQuadState); | |
142 } | |
143 | |
144 void CCLayerImpl::appendGutterQuads(CCQuadCuller& quadList, const CCSharedQuadSt
ate* sharedQuadState) | |
145 { | |
146 if (!backgroundCoversViewport() || !backgroundColor().isValid()) | |
147 return; | |
148 | |
149 const IntRect& layerRect = visibleLayerRect(); | |
150 IntRect clip = screenSpaceTransform().inverse().mapRect(clipRect()); | |
151 | |
152 if (layerRect.isEmpty()) { | |
153 quadList.append(CCSolidColorDrawQuad::create(sharedQuadState, clip, back
groundColor())); | |
154 return; | |
155 } | |
156 | |
157 IntRect gutterRects[4]; | |
158 for (int i = 0; i < 4; i++) | |
159 gutterRects[i] = clip; | |
160 gutterRects[0].shiftMaxYEdgeTo(layerRect.y()); | |
161 gutterRects[1].shiftYEdgeTo(layerRect.maxY()); | |
162 gutterRects[2].shiftMaxXEdgeTo(layerRect.x()); | |
163 gutterRects[3].shiftXEdgeTo(layerRect.maxX()); | |
164 | |
165 gutterRects[2].shiftYEdgeTo(layerRect.y()); | |
166 gutterRects[3].shiftYEdgeTo(layerRect.y()); | |
167 gutterRects[2].shiftMaxYEdgeTo(layerRect.maxY()); | |
168 gutterRects[3].shiftMaxYEdgeTo(layerRect.maxY()); | |
169 | |
170 for (int i = 0; i < 4; i++) { | |
171 if (!gutterRects[i].isEmpty()) | |
172 quadList.append(CCSolidColorDrawQuad::create(sharedQuadState, gutter
Rects[i], backgroundColor())); | |
173 } | |
174 } | |
175 | |
176 void CCLayerImpl::appendDebugBorderQuad(CCQuadCuller& quadList, const CCSharedQu
adState* sharedQuadState) const | 138 void CCLayerImpl::appendDebugBorderQuad(CCQuadCuller& quadList, const CCSharedQu
adState* sharedQuadState) const |
177 { | 139 { |
178 if (!hasDebugBorders()) | 140 if (!hasDebugBorders()) |
179 return; | 141 return; |
180 | 142 |
181 IntRect layerRect(IntPoint(), contentBounds()); | 143 IntRect layerRect(IntPoint(), contentBounds()); |
182 quadList.append(CCDebugBorderDrawQuad::create(sharedQuadState, layerRect, de
bugBorderColor(), debugBorderWidth())); | 144 quadList.append(CCDebugBorderDrawQuad::create(sharedQuadState, layerRect, de
bugBorderColor(), debugBorderWidth())); |
183 } | 145 } |
184 | 146 |
185 void CCLayerImpl::bindContentsTexture(LayerRendererChromium*) | 147 void CCLayerImpl::bindContentsTexture(LayerRendererChromium*) |
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385 | 347 |
386 void CCLayerImpl::setBackgroundColor(const Color& backgroundColor) | 348 void CCLayerImpl::setBackgroundColor(const Color& backgroundColor) |
387 { | 349 { |
388 if (m_backgroundColor == backgroundColor) | 350 if (m_backgroundColor == backgroundColor) |
389 return; | 351 return; |
390 | 352 |
391 m_backgroundColor = backgroundColor; | 353 m_backgroundColor = backgroundColor; |
392 m_layerPropertyChanged = true; | 354 m_layerPropertyChanged = true; |
393 } | 355 } |
394 | 356 |
395 void CCLayerImpl::setBackgroundCoversViewport(bool backgroundCoversViewport) | |
396 { | |
397 if (m_backgroundCoversViewport == backgroundCoversViewport) | |
398 return; | |
399 | |
400 m_backgroundCoversViewport = backgroundCoversViewport; | |
401 m_layerPropertyChanged = true; | |
402 } | |
403 | |
404 void CCLayerImpl::setFilters(const FilterOperations& filters) | 357 void CCLayerImpl::setFilters(const FilterOperations& filters) |
405 { | 358 { |
406 if (m_filters == filters) | 359 if (m_filters == filters) |
407 return; | 360 return; |
408 | 361 |
409 m_filters = filters; | 362 m_filters = filters; |
410 noteLayerPropertyChangedForSubtree(); | 363 noteLayerPropertyChangedForSubtree(); |
411 } | 364 } |
412 | 365 |
413 void CCLayerImpl::setMasksToBounds(bool masksToBounds) | 366 void CCLayerImpl::setMasksToBounds(bool masksToBounds) |
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545 | 498 |
546 void CCLayerImpl::setDoubleSided(bool doubleSided) | 499 void CCLayerImpl::setDoubleSided(bool doubleSided) |
547 { | 500 { |
548 if (m_doubleSided == doubleSided) | 501 if (m_doubleSided == doubleSided) |
549 return; | 502 return; |
550 | 503 |
551 m_doubleSided = doubleSided; | 504 m_doubleSided = doubleSided; |
552 noteLayerPropertyChangedForSubtree(); | 505 noteLayerPropertyChangedForSubtree(); |
553 } | 506 } |
554 | 507 |
| 508 Region CCLayerImpl::visibleContentOpaqueRegion() const |
| 509 { |
| 510 if (opaque()) |
| 511 return visibleLayerRect(); |
| 512 return Region(); |
| 513 } |
| 514 |
555 void CCLayerImpl::didLoseContext() | 515 void CCLayerImpl::didLoseContext() |
556 { | 516 { |
557 } | 517 } |
558 | 518 |
559 } | 519 } |
560 | 520 |
561 | 521 |
562 #endif // USE(ACCELERATED_COMPOSITING) | 522 #endif // USE(ACCELERATED_COMPOSITING) |
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