Support different formats in the same resource pool.

cc/resources/tile_manager.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/tile_manager.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 
@@ skipping 604 matching lines @@
 
     DCHECK(draw_info.mode() == TileDrawInfo::PICTURE_PILE_MODE ||
            !draw_info.IsReadyToDraw());
 
     // If the tile already has a raster_task, then the memory used by it is
     // already accounted for in memory_usage. Otherwise, we'll have to acquire
     // more memory to create a raster task.
     MemoryUsage memory_required_by_tile_to_be_scheduled;
     if (!tile->raster_task_.get()) {
       memory_required_by_tile_to_be_scheduled = MemoryUsage::FromConfig(
-          tile->desired_texture_size(), resource_pool_->resource_format());
+          tile->desired_texture_size(), resource_pool_->default_format());
     }
 
     bool tile_is_needed_now = priority.priority_bin == TilePriority::NOW;
 
     // This is the memory limit that will be used by this tile. Depending on
     // the tile priority, it will be one of hard_memory_limit or
     // soft_memory_limit.
     MemoryUsage& tile_memory_limit =
         tile_is_needed_now ? hard_memory_limit : soft_memory_limit;
 
@@ skipping 113 matching lines @@
       pixel_ref,
       tile->layer_id(),
       base::Bind(&TileManager::OnImageDecodeTaskCompleted,
                  base::Unretained(this),
                  tile->layer_id(),
                  base::Unretained(pixel_ref))));
 }
 
 scoped_refptr<RasterTask> TileManager::CreateRasterTask(Tile* tile) {
   scoped_ptr<ScopedResource> resource =
-      resource_pool_->AcquireResource(tile->desired_texture_size());
+      resource_pool_->AcquireResource(tile->desired_texture_size(),
+                                      resource_pool_->default_format());
   const ScopedResource* const_resource = resource.get();
 
   // Create and queue all image decode tasks that this tile depends on.
   ImageDecodeTask::Vector decode_tasks;
   PixelRefTaskMap& existing_pixel_refs = image_decode_tasks_[tile->layer_id()];
   std::vector<SkPixelRef*> pixel_refs;
   tile->raster_source()->GatherPixelRefs(
       tile->content_rect(), tile->contents_scale(), &pixel_refs);
   for (SkPixelRef* pixel_ref : pixel_refs) {
     uint32_t id = pixel_ref->getGenerationID();
@@ skipping 280 matching lines @@
   result -= other;
   return result;
 }
 
 bool TileManager::MemoryUsage::Exceeds(const MemoryUsage& limit) const {
   return memory_bytes_ > limit.memory_bytes_ ||
          resource_count_ > limit.resource_count_;
 }
 
 }  // namespace cc