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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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/surfaces/referenced_surface_tracker.h" | 5 #include "cc/surfaces/referenced_surface_tracker.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 | 10 |
| 11 namespace cc { | 11 namespace cc { |
| 12 | 12 |
| 13 ReferencedSurfaceTracker::ReferencedSurfaceTracker( | 13 ReferencedSurfaceTracker::ReferencedSurfaceTracker( |
| 14 const FrameSinkId& frame_sink_id) | 14 const FrameSinkId& frame_sink_id) |
| 15 : current_surface_id_(frame_sink_id, LocalFrameId()) { | 15 : current_surface_id_(frame_sink_id, LocalSurfaceId()) { |
| 16 DCHECK(current_surface_id_.frame_sink_id().is_valid()); | 16 DCHECK(current_surface_id_.frame_sink_id().is_valid()); |
| 17 } | 17 } |
| 18 | 18 |
| 19 ReferencedSurfaceTracker::~ReferencedSurfaceTracker() {} | 19 ReferencedSurfaceTracker::~ReferencedSurfaceTracker() {} |
| 20 | 20 |
| 21 void ReferencedSurfaceTracker::UpdateReferences( | 21 void ReferencedSurfaceTracker::UpdateReferences( |
| 22 const LocalFrameId& local_frame_id, | 22 const LocalSurfaceId& local_surface_id, |
| 23 const std::vector<SurfaceId>& referenced_surfaces) { | 23 const std::vector<SurfaceId>& referenced_surfaces) { |
| 24 DCHECK(local_frame_id.is_valid()); | 24 DCHECK(local_surface_id.is_valid()); |
| 25 | 25 |
| 26 // Clear references to add/remove from the last frame. | 26 // Clear references to add/remove from the last frame. |
| 27 references_to_remove_.clear(); | 27 references_to_remove_.clear(); |
| 28 references_to_add_.clear(); | 28 references_to_add_.clear(); |
| 29 | 29 |
| 30 // If |current_surface_id_| is changing then update |current_surface_id_|. | 30 // If |current_surface_id_| is changing then update |current_surface_id_|. |
| 31 // Also clear |referenced_surfaces_| because we haven't added any references | 31 // Also clear |referenced_surfaces_| because we haven't added any references |
| 32 // from the new SurfaceId yet. | 32 // from the new SurfaceId yet. |
| 33 if (current_surface_id_.local_frame_id() != local_frame_id) { | 33 if (current_surface_id_.local_surface_id() != local_surface_id) { |
| 34 current_surface_id_ = | 34 current_surface_id_ = |
| 35 SurfaceId(current_surface_id_.frame_sink_id(), local_frame_id); | 35 SurfaceId(current_surface_id_.frame_sink_id(), local_surface_id); |
| 36 referenced_surfaces_.clear(); | 36 referenced_surfaces_.clear(); |
| 37 } | 37 } |
| 38 | 38 |
| 39 std::unordered_set<SurfaceId, SurfaceIdHash> referenced_surface_set( | 39 std::unordered_set<SurfaceId, SurfaceIdHash> referenced_surface_set( |
| 40 referenced_surfaces.begin(), referenced_surfaces.end()); | 40 referenced_surfaces.begin(), referenced_surfaces.end()); |
| 41 ProcessNewReferences(referenced_surface_set); | 41 ProcessNewReferences(referenced_surface_set); |
| 42 } | 42 } |
| 43 | 43 |
| 44 void ReferencedSurfaceTracker::ProcessNewReferences( | 44 void ReferencedSurfaceTracker::ProcessNewReferences( |
| 45 const std::unordered_set<SurfaceId, SurfaceIdHash>& | 45 const std::unordered_set<SurfaceId, SurfaceIdHash>& |
| (...skipping 25 matching lines...) Expand all Loading... |
| 71 } | 71 } |
| 72 | 72 |
| 73 void ReferencedSurfaceTracker::RemoveSurfaceReference( | 73 void ReferencedSurfaceTracker::RemoveSurfaceReference( |
| 74 const SurfaceId& surface_id) { | 74 const SurfaceId& surface_id) { |
| 75 references_to_remove_.push_back( | 75 references_to_remove_.push_back( |
| 76 SurfaceReference(current_surface_id_, surface_id)); | 76 SurfaceReference(current_surface_id_, surface_id)); |
| 77 referenced_surfaces_.erase(surface_id); | 77 referenced_surfaces_.erase(surface_id); |
| 78 } | 78 } |
| 79 | 79 |
| 80 } // namespace cc | 80 } // namespace cc |
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