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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 "CCQuadSink.h" | 10 #include "CCQuadSink.h" |
| 11 #include "CCMathUtil.h" | 11 #include "CCMathUtil.h" |
| 12 #include "CCRenderPassDrawQuad.h" | 12 #include "CCRenderPassDrawQuad.h" |
| 13 #include "CCRenderPassSink.h" | 13 #include "CCRenderPassSink.h" |
| 14 | 14 |
| 15 namespace cc { | 15 namespace cc { |
| 16 | 16 |
| 17 CCDelegatedRendererLayerImpl::CCDelegatedRendererLayerImpl(int id) | 17 DelegatedRendererLayerImpl::DelegatedRendererLayerImpl(int id) |
| 18 : CCLayerImpl(id) | 18 : LayerImpl(id) |
| 19 { | 19 { |
| 20 } | 20 } |
| 21 | 21 |
| 22 CCDelegatedRendererLayerImpl::~CCDelegatedRendererLayerImpl() | 22 DelegatedRendererLayerImpl::~DelegatedRendererLayerImpl() |
| 23 { | 23 { |
| 24 clearRenderPasses(); | 24 clearRenderPasses(); |
| 25 } | 25 } |
| 26 | 26 |
| 27 bool CCDelegatedRendererLayerImpl::descendantDrawsContent() | 27 bool DelegatedRendererLayerImpl::descendantDrawsContent() |
| 28 { | 28 { |
| 29 // FIXME: This could possibly return false even though there are some | 29 // 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 | 30 // 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 | 31 // layers without children). If this happens, then make a test that |
| 32 // ensures the opacity is being changed on quads in the root RenderPass | 32 // ensures the opacity is being changed on quads in the root RenderPass |
| 33 // when this layer doesn't own a RenderSurface. | 33 // when this layer doesn't own a RenderSurfaceImpl. |
| 34 return !m_renderPassesInDrawOrder.isEmpty(); | 34 return !m_renderPassesInDrawOrder.isEmpty(); |
| 35 } | 35 } |
| 36 | 36 |
| 37 bool CCDelegatedRendererLayerImpl::hasContributingDelegatedRenderPasses() const | 37 bool DelegatedRendererLayerImpl::hasContributingDelegatedRenderPasses() const |
| 38 { | 38 { |
| 39 // The root RenderPass for the layer is merged with its target | 39 // The root RenderPass for the layer is merged with its target |
| 40 // RenderPass in each frame. So we only have extra RenderPasses | 40 // RenderPass in each frame. So we only have extra RenderPasses |
| 41 // to merge when we have a non-root RenderPass present. | 41 // to merge when we have a non-root RenderPass present. |
| 42 return m_renderPassesInDrawOrder.size() > 1; | 42 return m_renderPassesInDrawOrder.size() > 1; |
| 43 } | 43 } |
| 44 | 44 |
| 45 void CCDelegatedRendererLayerImpl::setRenderPasses(ScopedPtrVector<CCRenderPass>
& renderPassesInDrawOrder) | 45 void DelegatedRendererLayerImpl::setRenderPasses(ScopedPtrVector<RenderPass>& re
nderPassesInDrawOrder) |
| 46 { | 46 { |
| 47 FloatRect oldRootDamage; | 47 FloatRect oldRootDamage; |
| 48 if (!m_renderPassesInDrawOrder.isEmpty()) | 48 if (!m_renderPassesInDrawOrder.isEmpty()) |
| 49 oldRootDamage = m_renderPassesInDrawOrder.last()->damageRect(); | 49 oldRootDamage = m_renderPassesInDrawOrder.last()->damageRect(); |
| 50 | 50 |
| 51 clearRenderPasses(); | 51 clearRenderPasses(); |
| 52 | 52 |
| 53 for (size_t i = 0; i < renderPassesInDrawOrder.size(); ++i) { | 53 for (size_t i = 0; i < renderPassesInDrawOrder.size(); ++i) { |
| 54 m_renderPassesIndexById.insert(std::pair<CCRenderPass::Id, int>(renderPa
ssesInDrawOrder[i]->id(), i)); | 54 m_renderPassesIndexById.insert(std::pair<RenderPass::Id, int>(renderPass
esInDrawOrder[i]->id(), i)); |
| 55 m_renderPassesInDrawOrder.append(renderPassesInDrawOrder.take(i)); | 55 m_renderPassesInDrawOrder.append(renderPassesInDrawOrder.take(i)); |
| 56 } | 56 } |
| 57 renderPassesInDrawOrder.clear(); | 57 renderPassesInDrawOrder.clear(); |
| 58 | 58 |
| 59 if (!m_renderPassesInDrawOrder.isEmpty()) { | 59 if (!m_renderPassesInDrawOrder.isEmpty()) { |
| 60 FloatRect newRootDamage = m_renderPassesInDrawOrder.last()->damageRect()
; | 60 FloatRect newRootDamage = m_renderPassesInDrawOrder.last()->damageRect()
; |
| 61 m_renderPassesInDrawOrder.last()->setDamageRect(unionRect(oldRootDamage,
newRootDamage)); | 61 m_renderPassesInDrawOrder.last()->setDamageRect(unionRect(oldRootDamage,
newRootDamage)); |
| 62 } | 62 } |
| 63 } | 63 } |
| 64 | 64 |
| 65 void CCDelegatedRendererLayerImpl::clearRenderPasses() | 65 void DelegatedRendererLayerImpl::clearRenderPasses() |
| 66 { | 66 { |
| 67 // FIXME: Release the resources back to the nested compositor. | 67 // FIXME: Release the resources back to the nested compositor. |
| 68 m_renderPassesIndexById.clear(); | 68 m_renderPassesIndexById.clear(); |
| 69 m_renderPassesInDrawOrder.clear(); | 69 m_renderPassesInDrawOrder.clear(); |
| 70 } | 70 } |
| 71 | 71 |
| 72 void CCDelegatedRendererLayerImpl::didLoseContext() | 72 void DelegatedRendererLayerImpl::didLoseContext() |
| 73 { | 73 { |
| 74 clearRenderPasses(); | 74 clearRenderPasses(); |
| 75 } | 75 } |
| 76 | 76 |
| 77 static inline int indexToId(int index) { return index + 1; } | 77 static inline int indexToId(int index) { return index + 1; } |
| 78 static inline int idToIndex(int id) { return id - 1; } | 78 static inline int idToIndex(int id) { return id - 1; } |
| 79 | 79 |
| 80 CCRenderPass::Id CCDelegatedRendererLayerImpl::firstContributingRenderPassId() c
onst | 80 RenderPass::Id DelegatedRendererLayerImpl::firstContributingRenderPassId() const |
| 81 { | 81 { |
| 82 return CCRenderPass::Id(id(), indexToId(0)); | 82 return RenderPass::Id(id(), indexToId(0)); |
| 83 } | 83 } |
| 84 | 84 |
| 85 CCRenderPass::Id CCDelegatedRendererLayerImpl::nextContributingRenderPassId(CCRe
nderPass::Id previous) const | 85 RenderPass::Id DelegatedRendererLayerImpl::nextContributingRenderPassId(RenderPa
ss::Id previous) const |
| 86 { | 86 { |
| 87 return CCRenderPass::Id(previous.layerId, previous.index + 1); | 87 return RenderPass::Id(previous.layerId, previous.index + 1); |
| 88 } | 88 } |
| 89 | 89 |
| 90 CCRenderPass::Id CCDelegatedRendererLayerImpl::convertDelegatedRenderPassId(CCRe
nderPass::Id delegatedRenderPassId) const | 90 RenderPass::Id DelegatedRendererLayerImpl::convertDelegatedRenderPassId(RenderPa
ss::Id delegatedRenderPassId) const |
| 91 { | 91 { |
| 92 base::hash_map<CCRenderPass::Id, int>::const_iterator it = m_renderPassesInd
exById.find(delegatedRenderPassId); | 92 base::hash_map<RenderPass::Id, int>::const_iterator it = m_renderPassesIndex
ById.find(delegatedRenderPassId); |
| 93 ASSERT(it != m_renderPassesIndexById.end()); | 93 ASSERT(it != m_renderPassesIndexById.end()); |
| 94 unsigned delegatedRenderPassIndex = it->second; | 94 unsigned delegatedRenderPassIndex = it->second; |
| 95 return CCRenderPass::Id(id(), indexToId(delegatedRenderPassIndex)); | 95 return RenderPass::Id(id(), indexToId(delegatedRenderPassIndex)); |
| 96 } | 96 } |
| 97 | 97 |
| 98 void CCDelegatedRendererLayerImpl::appendContributingRenderPasses(CCRenderPassSi
nk& renderPassSink) | 98 void DelegatedRendererLayerImpl::appendContributingRenderPasses(RenderPassSink&
renderPassSink) |
| 99 { | 99 { |
| 100 ASSERT(hasContributingDelegatedRenderPasses()); | 100 ASSERT(hasContributingDelegatedRenderPasses()); |
| 101 | 101 |
| 102 for (size_t i = 0; i < m_renderPassesInDrawOrder.size() - 1; ++i) { | 102 for (size_t i = 0; i < m_renderPassesInDrawOrder.size() - 1; ++i) { |
| 103 CCRenderPass::Id outputRenderPassId = convertDelegatedRenderPassId(m_ren
derPassesInDrawOrder[i]->id()); | 103 RenderPass::Id outputRenderPassId = convertDelegatedRenderPassId(m_rende
rPassesInDrawOrder[i]->id()); |
| 104 | 104 |
| 105 // Don't clash with the RenderPass we generate if we own a RenderSurface
. | 105 // Don't clash with the RenderPass we generate if we own a RenderSurface
Impl. |
| 106 ASSERT(outputRenderPassId.index > 0); | 106 ASSERT(outputRenderPassId.index > 0); |
| 107 | 107 |
| 108 renderPassSink.appendRenderPass(m_renderPassesInDrawOrder[i]->copy(outpu
tRenderPassId)); | 108 renderPassSink.appendRenderPass(m_renderPassesInDrawOrder[i]->copy(outpu
tRenderPassId)); |
| 109 } | 109 } |
| 110 } | 110 } |
| 111 | 111 |
| 112 void CCDelegatedRendererLayerImpl::appendQuads(CCQuadSink& quadSink, CCAppendQua
dsData& appendQuadsData) | 112 void DelegatedRendererLayerImpl::appendQuads(QuadSink& quadSink, AppendQuadsData
& appendQuadsData) |
| 113 { | 113 { |
| 114 if (m_renderPassesInDrawOrder.isEmpty()) | 114 if (m_renderPassesInDrawOrder.isEmpty()) |
| 115 return; | 115 return; |
| 116 | 116 |
| 117 CCRenderPass::Id targetRenderPassId = appendQuadsData.renderPassId; | 117 RenderPass::Id targetRenderPassId = appendQuadsData.renderPassId; |
| 118 | 118 |
| 119 // If the index of the renderPassId is 0, then it is a renderPass generated
for a layer | 119 // If the index of the renderPassId is 0, then it is a renderPass generated
for a layer |
| 120 // in this compositor, not the delegated renderer. Then we want to merge our
root renderPass with | 120 // in this compositor, not the delegated renderer. Then we want to merge our
root renderPass with |
| 121 // the target renderPass. Otherwise, it is some renderPass which we added fr
om the delegated | 121 // the target renderPass. Otherwise, it is some renderPass which we added fr
om the delegated |
| 122 // renderer. | 122 // renderer. |
| 123 bool shouldMergeRootRenderPassWithTarget = !targetRenderPassId.index; | 123 bool shouldMergeRootRenderPassWithTarget = !targetRenderPassId.index; |
| 124 if (shouldMergeRootRenderPassWithTarget) { | 124 if (shouldMergeRootRenderPassWithTarget) { |
| 125 // Verify that the renderPass we are appending to is created our renderT
arget. | 125 // Verify that the renderPass we are appending to is created our renderT
arget. |
| 126 ASSERT(targetRenderPassId.layerId == renderTarget()->id()); | 126 ASSERT(targetRenderPassId.layerId == renderTarget()->id()); |
| 127 | 127 |
| 128 CCRenderPass* rootDelegatedRenderPass = m_renderPassesInDrawOrder.last()
; | 128 RenderPass* rootDelegatedRenderPass = m_renderPassesInDrawOrder.last(); |
| 129 appendRenderPassQuads(quadSink, appendQuadsData, rootDelegatedRenderPass
); | 129 appendRenderPassQuads(quadSink, appendQuadsData, rootDelegatedRenderPass
); |
| 130 } else { | 130 } else { |
| 131 // Verify that the renderPass we are appending to was created by us. | 131 // Verify that the renderPass we are appending to was created by us. |
| 132 ASSERT(targetRenderPassId.layerId == id()); | 132 ASSERT(targetRenderPassId.layerId == id()); |
| 133 | 133 |
| 134 int renderPassIndex = idToIndex(targetRenderPassId.index); | 134 int renderPassIndex = idToIndex(targetRenderPassId.index); |
| 135 CCRenderPass* delegatedRenderPass = m_renderPassesInDrawOrder[renderPass
Index]; | 135 RenderPass* delegatedRenderPass = m_renderPassesInDrawOrder[renderPassIn
dex]; |
| 136 appendRenderPassQuads(quadSink, appendQuadsData, delegatedRenderPass); | 136 appendRenderPassQuads(quadSink, appendQuadsData, delegatedRenderPass); |
| 137 } | 137 } |
| 138 } | 138 } |
| 139 | 139 |
| 140 void CCDelegatedRendererLayerImpl::appendRenderPassQuads(CCQuadSink& quadSink, C
CAppendQuadsData& appendQuadsData, CCRenderPass* delegatedRenderPass) const | 140 void DelegatedRendererLayerImpl::appendRenderPassQuads(QuadSink& quadSink, Appen
dQuadsData& appendQuadsData, RenderPass* delegatedRenderPass) const |
| 141 { | 141 { |
| 142 const CCSharedQuadState* currentSharedQuadState = 0; | 142 const SharedQuadState* currentSharedQuadState = 0; |
| 143 CCSharedQuadState* copiedSharedQuadState = 0; | 143 SharedQuadState* copiedSharedQuadState = 0; |
| 144 for (size_t i = 0; i < delegatedRenderPass->quadList().size(); ++i) { | 144 for (size_t i = 0; i < delegatedRenderPass->quadList().size(); ++i) { |
| 145 CCDrawQuad* quad = delegatedRenderPass->quadList()[i]; | 145 DrawQuad* quad = delegatedRenderPass->quadList()[i]; |
| 146 | 146 |
| 147 if (quad->sharedQuadState() != currentSharedQuadState) { | 147 if (quad->sharedQuadState() != currentSharedQuadState) { |
| 148 currentSharedQuadState = quad->sharedQuadState(); | 148 currentSharedQuadState = quad->sharedQuadState(); |
| 149 copiedSharedQuadState = quadSink.useSharedQuadState(currentSharedQua
dState->copy()); | 149 copiedSharedQuadState = quadSink.useSharedQuadState(currentSharedQua
dState->copy()); |
| 150 bool targetIsFromDelegatedRendererLayer = appendQuadsData.renderPass
Id.layerId == id(); | 150 bool targetIsFromDelegatedRendererLayer = appendQuadsData.renderPass
Id.layerId == id(); |
| 151 if (!targetIsFromDelegatedRendererLayer) { | 151 if (!targetIsFromDelegatedRendererLayer) { |
| 152 // Should be the root render pass. | 152 // Should be the root render pass. |
| 153 ASSERT(delegatedRenderPass == m_renderPassesInDrawOrder.last()); | 153 ASSERT(delegatedRenderPass == m_renderPassesInDrawOrder.last()); |
| 154 // This layer must be drawing to a renderTarget other than itself. | 154 // This layer must be drawing to a renderTarget other than itself. |
| 155 ASSERT(renderTarget() != this); | 155 ASSERT(renderTarget() != this); |
| 156 | 156 |
| 157 copiedSharedQuadState->clippedRectInTarget = CCMathUtil::mapClippe
dRect(drawTransform(), copiedSharedQuadState->clippedRectInTarget); | 157 copiedSharedQuadState->clippedRectInTarget = MathUtil::mapClippedR
ect(drawTransform(), copiedSharedQuadState->clippedRectInTarget); |
| 158 copiedSharedQuadState->quadTransform = copiedSharedQuadState->quad
Transform * drawTransform(); | 158 copiedSharedQuadState->quadTransform = copiedSharedQuadState->quad
Transform * drawTransform(); |
| 159 copiedSharedQuadState->opacity *= drawOpacity(); | 159 copiedSharedQuadState->opacity *= drawOpacity(); |
| 160 } | 160 } |
| 161 } | 161 } |
| 162 ASSERT(copiedSharedQuadState); | 162 ASSERT(copiedSharedQuadState); |
| 163 | 163 |
| 164 scoped_ptr<CCDrawQuad> copyQuad; | 164 scoped_ptr<DrawQuad> copyQuad; |
| 165 if (quad->material() != CCDrawQuad::RenderPass) | 165 if (quad->material() != DrawQuad::RenderPass) |
| 166 copyQuad = quad->copy(copiedSharedQuadState); | 166 copyQuad = quad->copy(copiedSharedQuadState); |
| 167 else { | 167 else { |
| 168 CCRenderPass::Id contributingDelegatedRenderPassId = CCRenderPassDra
wQuad::materialCast(quad)->renderPassId(); | 168 RenderPass::Id contributingDelegatedRenderPassId = RenderPassDrawQua
d::materialCast(quad)->renderPassId(); |
| 169 CCRenderPass::Id contributingRenderPassId = convertDelegatedRenderPa
ssId(contributingDelegatedRenderPassId); | 169 RenderPass::Id contributingRenderPassId = convertDelegatedRenderPass
Id(contributingDelegatedRenderPassId); |
| 170 ASSERT(contributingRenderPassId != appendQuadsData.renderPassId); | 170 ASSERT(contributingRenderPassId != appendQuadsData.renderPassId); |
| 171 | 171 |
| 172 copyQuad = CCRenderPassDrawQuad::materialCast(quad)->copy(copiedShar
edQuadState, contributingRenderPassId).PassAs<CCDrawQuad>(); | 172 copyQuad = RenderPassDrawQuad::materialCast(quad)->copy(copiedShared
QuadState, contributingRenderPassId).PassAs<DrawQuad>(); |
| 173 } | 173 } |
| 174 ASSERT(copyQuad.get()); | 174 ASSERT(copyQuad.get()); |
| 175 | 175 |
| 176 quadSink.append(copyQuad.Pass(), appendQuadsData); | 176 quadSink.append(copyQuad.Pass(), appendQuadsData); |
| 177 } | 177 } |
| 178 } | 178 } |
| 179 | 179 |
| 180 const char* CCDelegatedRendererLayerImpl::layerTypeAsString() const | 180 const char* DelegatedRendererLayerImpl::layerTypeAsString() const |
| 181 { | 181 { |
| 182 return "DelegatedRendererLayer"; | 182 return "DelegatedRendererLayer"; |
| 183 } | 183 } |
| 184 | 184 |
| 185 } | 185 } |
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