Shared Raster Worker Threads

cc/trees/layer_tree_host_impl.cc

 // Copyright 2011 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/trees/layer_tree_host_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/json/json_writer.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "cc/animation/scrollbar_animation_controller.h"
 #include "cc/animation/timing_function.h"
 #include "cc/base/latency_info_swap_promise_monitor.h"
 #include "cc/base/math_util.h"
+#include "cc/base/switches.h"
 #include "cc/base/util.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/debug/debug_rect_history.h"
 #include "cc/debug/devtools_instrumentation.h"
 #include "cc/debug/frame_rate_counter.h"
 #include "cc/debug/overdraw_metrics.h"
 #include "cc/debug/paint_time_counter.h"
 #include "cc/debug/rendering_stats_instrumentation.h"
 #include "cc/debug/traced_value.h"
 #include "cc/input/page_scale_animation.h"
@@ skipping 1684 matching lines @@
 
 void LayerTreeHostImpl::CreateAndSetTileManager(
     ResourceProvider* resource_provider,
     ContextProvider* context_provider,
     bool using_map_image) {
   DCHECK(settings_.impl_side_painting);
   DCHECK(resource_provider);
   tile_manager_ =
       TileManager::Create(this,
                           resource_provider,
-                          settings_.num_raster_threads,
+                          switches::GetNumRasterThreads(),

[reveman, 2013/12/27 14:57:13]

num_raster_threads is not used by TileManager, PixelBufferRasterWorkerPool,
ImageRasterWorkerPool or WorkerPool anymore. Please remove it.

[sohanjg, 2013/12/28 09:15:17]

Done.

                           rendering_stats_instrumentation_,
                           using_map_image,
                           GetMaxTransferBufferUsageBytes(context_provider),
                           GetMaxRasterTasksUsageBytes(context_provider),
                           GetMapImageTextureTarget(context_provider));
 
   UpdateTileManagerMemoryPolicy(ActualManagedMemoryPolicy());
   need_to_update_visible_tiles_before_draw_ = false;
 }
 
@@ skipping 1183 matching lines @@
   swap_promise_monitor_.erase(monitor);
 }
 
 void LayerTreeHostImpl::NotifySwapPromiseMonitorsOfSetNeedsRedraw() {
   std::set<SwapPromiseMonitor*>::iterator it = swap_promise_monitor_.begin();
   for (; it != swap_promise_monitor_.end(); it++)
     (*it)->OnSetNeedsRedrawOnImpl();
 }
 
 }  // namespace cc