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Issue 2873593002: Force use of and cache render surface. (Closed)
Patch Set: Calculate damage of |force_render_surface|. Created 3 years, 6 months 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_host_common.h" 5 #include "cc/trees/layer_tree_host_common.h"
6 6
7 #include <stddef.h> 7 #include <stddef.h>
8 8
9 #include <algorithm> 9 #include <algorithm>
10 10
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300 300
301 // Ignore occlusion from outside the surface when surface contents need to be 301 // Ignore occlusion from outside the surface when surface contents need to be
302 // fully drawn. Layers with copy-request need to be complete. We could be 302 // fully drawn. Layers with copy-request need to be complete. We could be
303 // smarter about layers with filters that move pixels and exclude regions 303 // smarter about layers with filters that move pixels and exclude regions
304 // where both layers and the filters are occluded, but this seems like 304 // where both layers and the filters are occluded, but this seems like
305 // overkill. 305 // overkill.
306 // TODO(senorblanco): make this smarter for the SkImageFilter case (check for 306 // TODO(senorblanco): make this smarter for the SkImageFilter case (check for
307 // pixel-moving filters) 307 // pixel-moving filters)
308 const FilterOperations& filters = render_surface->Filters(); 308 const FilterOperations& filters = render_surface->Filters();
309 bool is_occlusion_immune = render_surface->HasCopyRequest() || 309 bool is_occlusion_immune = render_surface->HasCopyRequest() ||
310 render_surface->ForceRenderSurface() ||
310 filters.HasReferenceFilter() || 311 filters.HasReferenceFilter() ||
311 filters.HasFilterThatMovesPixels(); 312 filters.HasFilterThatMovesPixels();
312 if (is_occlusion_immune) { 313 if (is_occlusion_immune) {
313 render_surface->SetNearestOcclusionImmuneAncestor(render_surface); 314 render_surface->SetNearestOcclusionImmuneAncestor(render_surface);
314 } else if (is_root) { 315 } else if (is_root) {
315 render_surface->SetNearestOcclusionImmuneAncestor(nullptr); 316 render_surface->SetNearestOcclusionImmuneAncestor(nullptr);
316 } else { 317 } else {
317 render_surface->SetNearestOcclusionImmuneAncestor( 318 render_surface->SetNearestOcclusionImmuneAncestor(
318 render_surface->render_target()->nearest_occlusion_immune_ancestor()); 319 render_surface->render_target()->nearest_occlusion_immune_ancestor());
319 } 320 }
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670 671
671 PropertyTrees* GetPropertyTrees(Layer* layer) { 672 PropertyTrees* GetPropertyTrees(Layer* layer) {
672 return layer->layer_tree_host()->property_trees(); 673 return layer->layer_tree_host()->property_trees();
673 } 674 }
674 675
675 PropertyTrees* GetPropertyTrees(LayerImpl* layer) { 676 PropertyTrees* GetPropertyTrees(LayerImpl* layer) {
676 return layer->layer_tree_impl()->property_trees(); 677 return layer->layer_tree_impl()->property_trees();
677 } 678 }
678 679
679 } // namespace cc 680 } // namespace cc
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