Added preliminary support for tile rasterization with Ganesh

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 132 matching lines @@
   if (cmd->HasSwitch(switches::kMaxUntiledLayerHeight)) {
     GetSwitchValueAsInt(*cmd, switches::kMaxUntiledLayerHeight, 1,
                         std::numeric_limits<int>::max(),
                         &max_untiled_layer_height);
   }
 
   settings.max_untiled_layer_size = gfx::Size(max_untiled_layer_width,
                                            max_untiled_layer_height);
 
   settings.impl_side_painting = cc::switches::IsImplSidePaintingEnabled();
+  settings.using_gpu_rasterization = cc::switches::IsGPURasterizationEnabled();

[nduca, 2013/12/02 19:50:17]

the switch is IsGpuRasterization. Why is the flag named differently, e.g.
using_gpu_rasterization?

[slavi, 2013/12/04 02:06:50]

Done.

 
   settings.calculate_top_controls_position =
       cmd->HasSwitch(cc::switches::kEnableTopControlsPositionCalculation);
   if (cmd->HasSwitch(cc::switches::kTopControlsHeight)) {
     std::string controls_height_str =
         cmd->GetSwitchValueASCII(cc::switches::kTopControlsHeight);
     double controls_height;
     if (base::StringToDouble(controls_height_str, &controls_height) &&
         controls_height > 0)
       settings.top_controls_height = controls_height;
@@ skipping 497 matching lines @@
   widget_->OnSwapBuffersAborted();
 }
 
 void RenderWidgetCompositor::RateLimitSharedMainThreadContext() {
   cc::ContextProvider* provider =
       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
   provider->Context3d()->rateLimitOffscreenContextCHROMIUM();
 }
 
 }  // namespace content