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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "CCDelegatedRendererLayerImpl.h" | 7 #include "CCDelegatedRendererLayerImpl.h" |
8 | 8 |
9 #include "CCAppendQuadsData.h" | 9 #include "CCAppendQuadsData.h" |
| 10 #include "CCLayerTreeHostImpl.h" |
| 11 #include "CCMathUtil.h" |
10 #include "CCQuadSink.h" | 12 #include "CCQuadSink.h" |
11 #include "CCMathUtil.h" | |
12 #include "CCRenderPassDrawQuad.h" | 13 #include "CCRenderPassDrawQuad.h" |
13 #include "CCRenderPassSink.h" | 14 #include "CCRenderPassSink.h" |
14 | 15 |
15 namespace cc { | 16 namespace cc { |
16 | 17 |
17 CCDelegatedRendererLayerImpl::CCDelegatedRendererLayerImpl(int id) | 18 CCDelegatedRendererLayerImpl::CCDelegatedRendererLayerImpl(int id) |
18 : CCLayerImpl(id) | 19 : CCLayerImpl(id) |
| 20 , m_childId(0) |
19 { | 21 { |
20 } | 22 } |
21 | 23 |
22 CCDelegatedRendererLayerImpl::~CCDelegatedRendererLayerImpl() | 24 CCDelegatedRendererLayerImpl::~CCDelegatedRendererLayerImpl() |
23 { | 25 { |
24 clearRenderPasses(); | 26 clearRenderPasses(); |
| 27 clearChild(); |
25 } | 28 } |
26 | 29 |
27 bool CCDelegatedRendererLayerImpl::descendantDrawsContent() | 30 bool CCDelegatedRendererLayerImpl::descendantDrawsContent() |
28 { | 31 { |
29 // FIXME: This could possibly return false even though there are some | 32 // FIXME: This could possibly return false even though there are some |
30 // quads present as they could all be from a single layer (or set of | 33 // quads present as they could all be from a single layer (or set of |
31 // layers without children). If this happens, then make a test that | 34 // layers without children). If this happens, then make a test that |
32 // ensures the opacity is being changed on quads in the root RenderPass | 35 // ensures the opacity is being changed on quads in the root RenderPass |
33 // when this layer doesn't own a RenderSurface. | 36 // when this layer doesn't own a RenderSurface. |
34 return !m_renderPassesInDrawOrder.isEmpty(); | 37 return !m_renderPassesInDrawOrder.isEmpty(); |
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62 } | 65 } |
63 } | 66 } |
64 | 67 |
65 void CCDelegatedRendererLayerImpl::clearRenderPasses() | 68 void CCDelegatedRendererLayerImpl::clearRenderPasses() |
66 { | 69 { |
67 // FIXME: Release the resources back to the nested compositor. | 70 // FIXME: Release the resources back to the nested compositor. |
68 m_renderPassesIndexById.clear(); | 71 m_renderPassesIndexById.clear(); |
69 m_renderPassesInDrawOrder.clear(); | 72 m_renderPassesInDrawOrder.clear(); |
70 } | 73 } |
71 | 74 |
| 75 void CCDelegatedRendererLayerImpl::clearChild() |
| 76 { |
| 77 if (!m_childId) |
| 78 return; |
| 79 CCResourceProvider* resourceProvider = layerTreeHostImpl()->resourceProvider
(); |
| 80 resourceProvider->destroyChild(m_childId); |
| 81 m_childId = 0; |
| 82 } |
| 83 |
72 void CCDelegatedRendererLayerImpl::didLoseContext() | 84 void CCDelegatedRendererLayerImpl::didLoseContext() |
73 { | 85 { |
74 clearRenderPasses(); | 86 clearRenderPasses(); |
| 87 clearChild(); |
| 88 } |
| 89 |
| 90 static int pool = 3; |
| 91 |
| 92 void CCDelegatedRendererLayerImpl::createChild() |
| 93 { |
| 94 if (!m_childId) { |
| 95 CCResourceProvider* resourceProvider = layerTreeHostImpl()->resourceProv
ider(); |
| 96 m_childId = resourceProvider->createChild(pool++); |
| 97 } |
75 } | 98 } |
76 | 99 |
77 static inline int indexToId(int index) { return index + 1; } | 100 static inline int indexToId(int index) { return index + 1; } |
78 static inline int idToIndex(int id) { return id - 1; } | 101 static inline int idToIndex(int id) { return id - 1; } |
79 | 102 |
80 CCRenderPass::Id CCDelegatedRendererLayerImpl::firstContributingRenderPassId() c
onst | 103 CCRenderPass::Id CCDelegatedRendererLayerImpl::firstContributingRenderPassId() c
onst |
81 { | 104 { |
82 return CCRenderPass::Id(id(), indexToId(0)); | 105 return CCRenderPass::Id(id(), indexToId(0)); |
83 } | 106 } |
84 | 107 |
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176 quadSink.append(copyQuad.Pass(), appendQuadsData); | 199 quadSink.append(copyQuad.Pass(), appendQuadsData); |
177 } | 200 } |
178 } | 201 } |
179 | 202 |
180 const char* CCDelegatedRendererLayerImpl::layerTypeAsString() const | 203 const char* CCDelegatedRendererLayerImpl::layerTypeAsString() const |
181 { | 204 { |
182 return "DelegatedRendererLayer"; | 205 return "DelegatedRendererLayer"; |
183 } | 206 } |
184 | 207 |
185 } | 208 } |
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