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Issue 2448403002: cc: Clean up transform tree (Closed)
Patch Set: PAC Created 4 years, 1 month ago
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1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 2011 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 "cc/trees/layer_tree_impl.h" 5 #include "cc/trees/layer_tree_impl.h"
6 6
7 #include <stddef.h> 7 #include <stddef.h>
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include <algorithm> 10 #include <algorithm>
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1023 } 1023 }
1024 1024
1025 if (it.represents_contributing_render_surface()) { 1025 if (it.represents_contributing_render_surface()) {
1026 const RenderSurfaceImpl* occlusion_surface = 1026 const RenderSurfaceImpl* occlusion_surface =
1027 occlusion_tracker.OcclusionSurfaceForContributingSurface(); 1027 occlusion_tracker.OcclusionSurfaceForContributingSurface();
1028 gfx::Transform draw_transform; 1028 gfx::Transform draw_transform;
1029 if (occlusion_surface) { 1029 if (occlusion_surface) {
1030 // We are calculating transform between two render surfaces. So, we 1030 // We are calculating transform between two render surfaces. So, we
1031 // need to apply the surface contents scale at target and remove the 1031 // need to apply the surface contents scale at target and remove the
1032 // surface contents scale at source. 1032 // surface contents scale at source.
1033 property_trees()->ComputeTransformToTarget( 1033 property_trees()->GetToTarget(
1034 it->render_surface()->TransformTreeIndex(), 1034 it->render_surface()->TransformTreeIndex(),
1035 occlusion_surface->EffectTreeIndex(), &draw_transform); 1035 occlusion_surface->EffectTreeIndex(), &draw_transform);
1036 const EffectNode* occlusion_effect_node =
1037 property_trees()->effect_tree.Node(
1038 occlusion_surface->EffectTreeIndex());
1039 draw_property_utils::PostConcatSurfaceContentsScale(
1040 occlusion_effect_node, &draw_transform);
1041 const EffectNode* effect_node = property_trees()->effect_tree.Node( 1036 const EffectNode* effect_node = property_trees()->effect_tree.Node(
1042 it->render_surface()->EffectTreeIndex()); 1037 it->render_surface()->EffectTreeIndex());
1043 draw_property_utils::ConcatInverseSurfaceContentsScale( 1038 draw_property_utils::ConcatInverseSurfaceContentsScale(
1044 effect_node, &draw_transform); 1039 effect_node, &draw_transform);
1045 } 1040 }
1046 1041
1047 Occlusion occlusion = 1042 Occlusion occlusion =
1048 occlusion_tracker.GetCurrentOcclusionForContributingSurface( 1043 occlusion_tracker.GetCurrentOcclusionForContributingSurface(
1049 draw_transform); 1044 draw_transform);
1050 it->render_surface()->set_occlusion_in_content_space(occlusion); 1045 it->render_surface()->set_occlusion_in_content_space(occlusion);
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2072 2067
2073 void LayerTreeImpl::ResetAllChangeTracking() { 2068 void LayerTreeImpl::ResetAllChangeTracking() {
2074 layers_that_should_push_properties_.clear(); 2069 layers_that_should_push_properties_.clear();
2075 // Iterate over all layers, including masks. 2070 // Iterate over all layers, including masks.
2076 for (auto& layer : *layers_) 2071 for (auto& layer : *layers_)
2077 layer->ResetChangeTracking(); 2072 layer->ResetChangeTracking();
2078 property_trees_.ResetAllChangeTracking(); 2073 property_trees_.ResetAllChangeTracking();
2079 } 2074 }
2080 2075
2081 } // namespace cc 2076 } // namespace cc
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