Shared Raster Worker Threads

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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 "content/renderer/gpu/render_widget_compositor.h"
 
 #include <limits>
 #include <string>
 
 #if defined(OS_ANDROID)
@@ skipping 200 matching lines @@
     const int kMinSlowDownScaleFactor = 0;
     const int kMaxSlowDownScaleFactor = INT_MAX;
     GetSwitchValueAsInt(
         *cmd,
         cc::switches::kSlowDownRasterScaleFactor,
         kMinSlowDownScaleFactor,
         kMaxSlowDownScaleFactor,
         &settings.initial_debug_state.slow_down_raster_scale_factor);
   }
 
-  if (cmd->HasSwitch(cc::switches::kNumRasterThreads)) {
-    const int kMinRasterThreads = 1;
-    const int kMaxRasterThreads = 64;
-    int num_raster_threads;
-    if (GetSwitchValueAsInt(*cmd, cc::switches::kNumRasterThreads,
-                            kMinRasterThreads, kMaxRasterThreads,
-                            &num_raster_threads))
-      settings.num_raster_threads = num_raster_threads;
-  }
-
   if (cmd->HasSwitch(cc::switches::kMaxTilesForInterestArea)) {
     int max_tiles_for_interest_area;
     if (GetSwitchValueAsInt(*cmd,
                             cc::switches::kMaxTilesForInterestArea,
                             1, std::numeric_limits<int>::max(),
                             &max_tiles_for_interest_area))
       settings.max_tiles_for_interest_area = max_tiles_for_interest_area;
   }
 
   if (cmd->HasSwitch(cc::switches::kMaxUnusedResourceMemoryUsagePercentage)) {
@@ skipping 396 matching lines @@
   widget_->OnSwapBuffersAborted();
 }
 
 void RenderWidgetCompositor::RateLimitSharedMainThreadContext() {
   cc::ContextProvider* provider =
       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
   provider->ContextGL()->RateLimitOffscreenContextCHROMIUM();
 }
 
 }  // namespace content