OLD | NEW |
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 "cc/trees/occlusion_tracker.h" | 5 #include "cc/trees/occlusion_tracker.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "cc/base/math_util.h" | 9 #include "cc/base/math_util.h" |
10 #include "cc/debug/overdraw_metrics.h" | 10 #include "cc/debug/overdraw_metrics.h" |
(...skipping 218 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
229 // Readbacks always happen on render targets so we only need to check | 229 // Readbacks always happen on render targets so we only need to check |
230 // for readbacks here. | 230 // for readbacks here. |
231 bool target_is_only_for_copy_request = | 231 bool target_is_only_for_copy_request = |
232 finished_target->HasCopyRequest() && LayerIsHidden(finished_target); | 232 finished_target->HasCopyRequest() && LayerIsHidden(finished_target); |
233 | 233 |
234 // If the occlusion within the surface can not be applied to things outside of | 234 // If the occlusion within the surface can not be applied to things outside of |
235 // the surface's subtree, then clear the occlusion here so it won't be used. | 235 // the surface's subtree, then clear the occlusion here so it won't be used. |
236 if (finished_target->mask_layer() || | 236 if (finished_target->mask_layer() || |
237 !SurfaceOpacityKnown(surface) || | 237 !SurfaceOpacityKnown(surface) || |
238 surface->draw_opacity() < 1 || | 238 surface->draw_opacity() < 1 || |
| 239 !finished_target->uses_default_blend_mode() || |
239 target_is_only_for_copy_request || | 240 target_is_only_for_copy_request || |
240 finished_target->filters().HasFilterThatAffectsOpacity()) { | 241 finished_target->filters().HasFilterThatAffectsOpacity()) { |
241 stack_.back().occlusion_from_outside_target.Clear(); | 242 stack_.back().occlusion_from_outside_target.Clear(); |
242 stack_.back().occlusion_from_inside_target.Clear(); | 243 stack_.back().occlusion_from_inside_target.Clear(); |
243 } else if (!SurfaceTransformsToTargetKnown(surface)) { | 244 } else if (!SurfaceTransformsToTargetKnown(surface)) { |
244 stack_.back().occlusion_from_inside_target.Clear(); | 245 stack_.back().occlusion_from_inside_target.Clear(); |
245 stack_.back().occlusion_from_outside_target.Clear(); | 246 stack_.back().occlusion_from_outside_target.Clear(); |
246 } | 247 } |
247 } | 248 } |
248 | 249 |
(...skipping 161 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
410 void OcclusionTrackerBase<LayerType, RenderSurfaceType>:: | 411 void OcclusionTrackerBase<LayerType, RenderSurfaceType>:: |
411 MarkOccludedBehindLayer(const LayerType* layer) { | 412 MarkOccludedBehindLayer(const LayerType* layer) { |
412 DCHECK(!stack_.empty()); | 413 DCHECK(!stack_.empty()); |
413 DCHECK_EQ(layer->render_target(), stack_.back().target); | 414 DCHECK_EQ(layer->render_target(), stack_.back().target); |
414 if (stack_.empty()) | 415 if (stack_.empty()) |
415 return; | 416 return; |
416 | 417 |
417 if (!LayerOpacityKnown(layer) || layer->draw_opacity() < 1) | 418 if (!LayerOpacityKnown(layer) || layer->draw_opacity() < 1) |
418 return; | 419 return; |
419 | 420 |
| 421 if (!layer->uses_default_blend_mode()) |
| 422 return; |
| 423 |
420 if (LayerIsInUnsorted3dRenderingContext(layer)) | 424 if (LayerIsInUnsorted3dRenderingContext(layer)) |
421 return; | 425 return; |
422 | 426 |
423 if (!LayerTransformsToTargetKnown(layer)) | 427 if (!LayerTransformsToTargetKnown(layer)) |
424 return; | 428 return; |
425 | 429 |
426 Region opaque_contents = layer->VisibleContentOpaqueRegion(); | 430 Region opaque_contents = layer->VisibleContentOpaqueRegion(); |
427 if (opaque_contents.IsEmpty()) | 431 if (opaque_contents.IsEmpty()) |
428 return; | 432 return; |
429 | 433 |
(...skipping 274 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
704 unoccluded_rect.Intersect(content_rect); | 708 unoccluded_rect.Intersect(content_rect); |
705 | 709 |
706 return unoccluded_rect; | 710 return unoccluded_rect; |
707 } | 711 } |
708 | 712 |
709 // Instantiate (and export) templates here for the linker. | 713 // Instantiate (and export) templates here for the linker. |
710 template class OcclusionTrackerBase<Layer, RenderSurface>; | 714 template class OcclusionTrackerBase<Layer, RenderSurface>; |
711 template class OcclusionTrackerBase<LayerImpl, RenderSurfaceImpl>; | 715 template class OcclusionTrackerBase<LayerImpl, RenderSurfaceImpl>; |
712 | 716 |
713 } // namespace cc | 717 } // namespace cc |
OLD | NEW |