Tile Compression

cc/resources/picture_layer_tiling_set.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/resources/picture_layer_tiling_set.h"
 
 #include <limits>
 #include <set>
 #include <vector>
 
@@ skipping 104 matching lines @@
 
 void PictureLayerTilingSet::MarkAllTilingsNonIdeal() {
   for (auto* tiling : tilings_)
     tiling->set_resolution(NON_IDEAL_RESOLUTION);
 }
 
 bool PictureLayerTilingSet::SyncTilings(const PictureLayerTilingSet& other,
                                         const gfx::Size& new_layer_bounds,
                                         const Region& layer_invalidation,
                                         float minimum_contents_scale,
-                                        RasterSource* raster_source) {
+                                        RasterSource* raster_source,
+                                        base::TimeTicks frame_time) {
   if (new_layer_bounds.IsEmpty()) {
     RemoveAllTilings();
     return false;
   }
 
   tilings_.reserve(other.tilings_.size());
 
   // Remove any tilings that aren't in |other| or don't meet the minimum.
   for (size_t i = 0; i < tilings_.size(); ++i) {
     float scale = tilings_[i]->contents_scale();
     if (scale >= minimum_contents_scale && !!other.FindTilingWithScale(scale))
       continue;
     // Swap with the last element and remove it.
     tilings_.swap(tilings_.begin() + i, tilings_.end() - 1);
     tilings_.pop_back();
     --i;
   }
 
   bool have_high_res_tiling = false;
 
   // Add any missing tilings from |other| that meet the minimum.
   for (size_t i = 0; i < other.tilings_.size(); ++i) {
     float contents_scale = other.tilings_[i]->contents_scale();
     if (contents_scale < minimum_contents_scale)
       continue;
     if (PictureLayerTiling* this_tiling = FindTilingWithScale(contents_scale)) {
       this_tiling->set_resolution(other.tilings_[i]->resolution());
 
       this_tiling->UpdateTilesToCurrentRasterSource(
-          raster_source, layer_invalidation, new_layer_bounds);
+          raster_source, layer_invalidation, new_layer_bounds, frame_time);
       this_tiling->CreateMissingTilesInLiveTilesRect();
       if (this_tiling->resolution() == HIGH_RESOLUTION)
         have_high_res_tiling = true;
 
       DCHECK(this_tiling->tile_size() ==
              client_->CalculateTileSize(this_tiling->tiling_size()))
           << "tile_size: " << this_tiling->tile_size().ToString()
           << " tiling_size: " << this_tiling->tiling_size().ToString()
           << " CalculateTileSize: "
           << client_->CalculateTileSize(this_tiling->tiling_size()).ToString();
@@ skipping 352 matching lines @@
     case LOWER_THAN_LOW_RES:
       range = TilingRange(low_res_range.end, tilings_.size());
       break;
   }
 
   DCHECK_LE(range.start, range.end);
   return range;
 }
 
 }  // namespace cc