cc: Remove all traces of synchronous GPU rasterization

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 <map>
 
@@ skipping 42 matching lines @@
 #include "cc/resources/eviction_tile_priority_queue.h"
 #include "cc/resources/gpu_rasterizer.h"
 #include "cc/resources/gpu_tile_task_worker_pool.h"
 #include "cc/resources/memory_history.h"
 #include "cc/resources/one_copy_tile_task_worker_pool.h"
 #include "cc/resources/picture_layer_tiling.h"
 #include "cc/resources/pixel_buffer_tile_task_worker_pool.h"
 #include "cc/resources/prioritized_resource_manager.h"
 #include "cc/resources/raster_tile_priority_queue.h"
 #include "cc/resources/resource_pool.h"
-#include "cc/resources/software_rasterizer.h"
 #include "cc/resources/texture_mailbox_deleter.h"
 #include "cc/resources/tile_task_worker_pool.h"
 #include "cc/resources/ui_resource_bitmap.h"
 #include "cc/resources/zero_copy_tile_task_worker_pool.h"
 #include "cc/scheduler/delay_based_time_source.h"
 #include "cc/trees/damage_tracker.h"
 #include "cc/trees/latency_info_swap_promise_monitor.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/layer_tree_host_common.h"
 #include "cc/trees/layer_tree_impl.h"
@@ skipping 1918 matching lines @@
     pending_tree_->set_needs_update_draw_properties();
   client_->UpdateRendererCapabilitiesOnImplThread();
 }
 
 void LayerTreeHostImpl::CreateAndSetTileManager() {
   DCHECK(!tile_manager_);
   DCHECK(settings_.impl_side_painting);
   DCHECK(output_surface_);
   DCHECK(resource_provider_);
 
-  rasterizer_ = CreateRasterizer();
   CreateResourceAndTileTaskWorkerPool(&tile_task_worker_pool_, &resource_pool_,
                                       &staging_resource_pool_);
   DCHECK(tile_task_worker_pool_);
   DCHECK(resource_pool_);
 
   base::SingleThreadTaskRunner* task_runner =
       proxy_->HasImplThread() ? proxy_->ImplThreadTaskRunner()
                               : proxy_->MainThreadTaskRunner();
   DCHECK(task_runner);
   size_t scheduled_raster_task_limit =
       IsSynchronousSingleThreaded() ? std::numeric_limits<size_t>::max()
                                     : settings_.scheduled_raster_task_limit;
-  tile_manager_ =
-      TileManager::Create(this, task_runner, resource_pool_.get(),
-                          tile_task_worker_pool_->AsTileTaskRunner(),
-                          rasterizer_.get(), scheduled_raster_task_limit);
+  tile_manager_ = TileManager::Create(
+      this, task_runner, resource_pool_.get(),
+      tile_task_worker_pool_->AsTileTaskRunner(), scheduled_raster_task_limit);
 
   UpdateTileManagerMemoryPolicy(ActualManagedMemoryPolicy());
 }
 
-scoped_ptr<Rasterizer> LayerTreeHostImpl::CreateRasterizer() {
-  ContextProvider* context_provider = output_surface_->context_provider();
-  if (use_gpu_rasterization_ && context_provider) {
-    return GpuRasterizer::Create(context_provider, resource_provider_.get(),
-                                 settings_.use_distance_field_text,
-                                 settings_.threaded_gpu_rasterization_enabled,
-                                 settings_.gpu_rasterization_msaa_sample_count);
-  }
-  return SoftwareRasterizer::Create();
-}
-
 void LayerTreeHostImpl::CreateResourceAndTileTaskWorkerPool(
     scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
     scoped_ptr<ResourcePool>* resource_pool,
     scoped_ptr<ResourcePool>* staging_resource_pool) {
   base::SingleThreadTaskRunner* task_runner =
       proxy_->HasImplThread() ? proxy_->ImplThreadTaskRunner()
                               : proxy_->MainThreadTaskRunner();
   DCHECK(task_runner);
 
   ContextProvider* context_provider = output_surface_->context_provider();
@@ skipping 13 matching lines @@
     DCHECK(!single_thread_synchronous_task_graph_runner_);
     single_thread_synchronous_task_graph_runner_.reset(new TaskGraphRunner);
     task_graph_runner = single_thread_synchronous_task_graph_runner_.get();
   }
 
   if (use_gpu_rasterization_) {
     *resource_pool =
         ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D);
 
     *tile_task_worker_pool = GpuTileTaskWorkerPool::Create(
-        task_runner, task_graph_runner,
-        static_cast<GpuRasterizer*>(rasterizer_.get()));
+        task_runner, task_graph_runner, context_provider,
+        resource_provider_.get(), settings_.use_distance_field_text,
+        settings_.gpu_rasterization_msaa_sample_count);
     return;
   }
 
   if (GetRendererCapabilities().using_image) {
     unsigned image_target = settings_.use_image_texture_target;
     DCHECK_IMPLIES(
         image_target == GL_TEXTURE_RECTANGLE_ARB,
         context_provider->ContextCapabilities().gpu.texture_rectangle);
     DCHECK_IMPLIES(
         image_target == GL_TEXTURE_EXTERNAL_OES,
@@ skipping 35 matching lines @@
       resource_provider_.get(),
       GetMaxTransferBufferUsageBytes(context_provider->ContextCapabilities(),
                                      settings_.renderer_settings.refresh_rate));
 }
 
 void LayerTreeHostImpl::DestroyTileManager() {
   tile_manager_ = nullptr;
   resource_pool_ = nullptr;
   staging_resource_pool_ = nullptr;
   tile_task_worker_pool_ = nullptr;
-  rasterizer_ = nullptr;
   single_thread_synchronous_task_graph_runner_ = nullptr;
 }
 
 bool LayerTreeHostImpl::IsSynchronousSingleThreaded() const {
   return !proxy_->HasImplThread() && !settings_.single_thread_proxy_scheduler;
 }
 
 void LayerTreeHostImpl::EnforceZeroBudget(bool zero_budget) {
   SetManagedMemoryPolicy(cached_managed_memory_policy_, zero_budget);
 }
@@ skipping 1291 matching lines @@
   new_target.SetToMin(layer_impl->MaxScrollOffset());
 
   curve->UpdateTarget(
       animation->TrimTimeToCurrentIteration(CurrentBeginFrameArgs().frame_time)
           .InSecondsF(),
       new_target);
 
   return true;
 }
 }  // namespace cc