cc: Get rid of rasterizer delegate.

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 349 matching lines @@
   state->SetInteger("completed_count", stats.completed_count);
   state->SetInteger("canceled_count", stats.canceled_count);
   return state.PassAs<base::Value>();
 }
 
 // static
 scoped_ptr<TileManager> TileManager::Create(
     TileManagerClient* client,
     ResourcePool* resource_pool,
     Rasterizer* rasterizer,
-    Rasterizer* gpu_rasterizer,
     bool use_rasterize_on_demand,
     RenderingStatsInstrumentation* rendering_stats_instrumentation) {
   return make_scoped_ptr(new TileManager(client,
                                          resource_pool,
                                          rasterizer,
-                                         gpu_rasterizer,
                                          use_rasterize_on_demand,
                                          rendering_stats_instrumentation));
 }
 
 TileManager::TileManager(
     TileManagerClient* client,
     ResourcePool* resource_pool,
     Rasterizer* rasterizer,
-    Rasterizer* gpu_rasterizer,
     bool use_rasterize_on_demand,
     RenderingStatsInstrumentation* rendering_stats_instrumentation)
     : client_(client),
       resource_pool_(resource_pool),
+      rasterizer_(rasterizer),
       prioritized_tiles_dirty_(false),
       all_tiles_that_need_to_be_rasterized_have_memory_(true),
       all_tiles_required_for_activation_have_memory_(true),
       memory_required_bytes_(0),
       memory_nice_to_have_bytes_(0),
       bytes_releasable_(0),
       resources_releasable_(0),
       ever_exceeded_memory_budget_(false),
       rendering_stats_instrumentation_(rendering_stats_instrumentation),
       did_initialize_visible_tile_(false),
       did_check_for_completed_tasks_since_last_schedule_tasks_(true),
       use_rasterize_on_demand_(use_rasterize_on_demand) {
-  Rasterizer* rasterizers[NUM_RASTERIZER_TYPES] = {
-      rasterizer,      // RASTERIZER_TYPE_DEFAULT
-      gpu_rasterizer,  // RASTERIZER_TYPE_GPU
-  };
-  rasterizer_delegate_ =
-      RasterizerDelegate::Create(this, rasterizers, arraysize(rasterizers));
+  rasterizer_->SetClient(this);
 }
 
 TileManager::~TileManager() {
   // Reset global state and manage. This should cause
   // our memory usage to drop to zero.
   global_state_ = GlobalStateThatImpactsTilePriority();
 
   CleanUpReleasedTiles();
   DCHECK_EQ(0u, tiles_.size());
 
-  RasterTaskQueue empty[NUM_RASTERIZER_TYPES];
-  rasterizer_delegate_->ScheduleTasks(empty);
+  RasterTaskQueue empty;
+  rasterizer_->ScheduleTasks(&empty);
   orphan_raster_tasks_.clear();
 
   // This should finish all pending tasks and release any uninitialized
   // resources.
-  rasterizer_delegate_->Shutdown();
-  rasterizer_delegate_->CheckForCompletedTasks();
+  rasterizer_->Shutdown();
+  rasterizer_->CheckForCompletedTasks();
 
   DCHECK_EQ(0u, bytes_releasable_);
   DCHECK_EQ(0u, resources_releasable_);
 
   for (std::vector<PictureLayerImpl*>::iterator it = layers_.begin();
        it != layers_.end();
        ++it) {
     (*it)->DidUnregisterLayer();
   }
   layers_.clear();
@@ skipping 57 matching lines @@
 
   bool memory_usage_above_limit = resource_pool_->total_memory_usage_bytes() >
                                   global_state_.soft_memory_limit_in_bytes;
 
   // When OOM, keep re-assigning memory until we reach a steady state
   // where top-priority tiles are initialized.
   if (all_tiles_that_need_to_be_rasterized_have_memory_ &&
       !memory_usage_above_limit)
     return;
 
-  rasterizer_delegate_->CheckForCompletedTasks();
+  rasterizer_->CheckForCompletedTasks();
   did_check_for_completed_tasks_since_last_schedule_tasks_ = true;
 
   TileVector tiles_that_need_to_be_rasterized;
   AssignGpuMemoryToTiles(&prioritized_tiles_,
                          &tiles_that_need_to_be_rasterized);
 
   // |tiles_that_need_to_be_rasterized| will be empty when we reach a
   // steady memory state. Keep scheduling tasks until we reach this state.
   if (!tiles_that_need_to_be_rasterized.empty()) {
     ScheduleTasks(tiles_that_need_to_be_rasterized);
@@ skipping 183 matching lines @@
   if (state != global_state_) {
     global_state_ = state;
     prioritized_tiles_dirty_ = true;
   }
 
   CleanUpLayers();
 
   // We need to call CheckForCompletedTasks() once in-between each call
   // to ScheduleTasks() to prevent canceled tasks from being scheduled.
   if (!did_check_for_completed_tasks_since_last_schedule_tasks_) {
-    rasterizer_delegate_->CheckForCompletedTasks();
+    rasterizer_->CheckForCompletedTasks();
     did_check_for_completed_tasks_since_last_schedule_tasks_ = true;
   }
 
   UpdatePrioritizedTileSetIfNeeded();
 
   TileVector tiles_that_need_to_be_rasterized;
   AssignGpuMemoryToTiles(&prioritized_tiles_,
                          &tiles_that_need_to_be_rasterized);
 
   // Finally, schedule rasterizer tasks.
   ScheduleTasks(tiles_that_need_to_be_rasterized);
 
   TRACE_EVENT_INSTANT1("cc",
                        "DidManage",
                        TRACE_EVENT_SCOPE_THREAD,
                        "state",
                        TracedValue::FromValue(BasicStateAsValue().release()));
 
   TRACE_COUNTER_ID1("cc",
                     "unused_memory_bytes",
                     this,
                     resource_pool_->total_memory_usage_bytes() -
                         resource_pool_->acquired_memory_usage_bytes());
 }
 
 bool TileManager::UpdateVisibleTiles() {
   TRACE_EVENT0("cc", "TileManager::UpdateVisibleTiles");
 
-  rasterizer_delegate_->CheckForCompletedTasks();
+  rasterizer_->CheckForCompletedTasks();
   did_check_for_completed_tasks_since_last_schedule_tasks_ = true;
 
   TRACE_EVENT_INSTANT1(
       "cc",
       "DidUpdateVisibleTiles",
       TRACE_EVENT_SCOPE_THREAD,
       "stats",
       TracedValue::FromValue(RasterTaskCompletionStatsAsValue(
                                  update_visible_tiles_stats_).release()));
   update_visible_tiles_stats_ = RasterTaskCompletionStats();
@@ skipping 256 matching lines @@
 
 void TileManager::ScheduleTasks(
     const TileVector& tiles_that_need_to_be_rasterized) {
   TRACE_EVENT1("cc",
                "TileManager::ScheduleTasks",
                "count",
                tiles_that_need_to_be_rasterized.size());
 
   DCHECK(did_check_for_completed_tasks_since_last_schedule_tasks_);
 
-  for (size_t i = 0; i < NUM_RASTERIZER_TYPES; ++i)
-    raster_queue_[i].Reset();
+  raster_queue_.Reset();
 
   // Build a new task queue containing all task currently needed. Tasks
   // are added in order of priority, highest priority task first.
   for (TileVector::const_iterator it = tiles_that_need_to_be_rasterized.begin();
        it != tiles_that_need_to_be_rasterized.end();
        ++it) {
     Tile* tile = *it;
     ManagedTileState& mts = tile->managed_state();
     ManagedTileState::TileVersion& tile_version =
         mts.tile_versions[mts.raster_mode];
 
     DCHECK(tile_version.requires_resource());
     DCHECK(!tile_version.resource_);
 
     if (!tile_version.raster_task_)
       tile_version.raster_task_ = CreateRasterTask(tile);
 
-    size_t pool_type = tile->use_gpu_rasterization() ? RASTERIZER_TYPE_GPU
-                                                     : RASTERIZER_TYPE_DEFAULT;
-
-    raster_queue_[pool_type].items.push_back(RasterTaskQueue::Item(
+    raster_queue_.items.push_back(RasterTaskQueue::Item(
         tile_version.raster_task_.get(), tile->required_for_activation()));
-    raster_queue_[pool_type].required_for_activation_count +=
+    raster_queue_.required_for_activation_count +=
         tile->required_for_activation();
   }
 
   // We must reduce the amount of unused resoruces before calling
   // ScheduleTasks to prevent usage from rising above limits.
   resource_pool_->ReduceResourceUsage();
 
   // Schedule running of |raster_tasks_|. This replaces any previously
   // scheduled tasks and effectively cancels all tasks not present
   // in |raster_tasks_|.
-  rasterizer_delegate_->ScheduleTasks(raster_queue_);
+  rasterizer_->ScheduleTasks(&raster_queue_);
 
   // It's now safe to clean up orphan tasks as raster worker pool is not
   // allowed to keep around unreferenced raster tasks after ScheduleTasks() has
   // been called.
   orphan_raster_tasks_.clear();
 
   did_check_for_completed_tasks_since_last_schedule_tasks_ = false;
 }
 
 scoped_refptr<ImageDecodeTask> TileManager::CreateImageDecodeTask(
@@ skipping 564 matching lines @@
   bool prioritize_low_res = tree_priority_ != SMOOTHNESS_TAKES_PRIORITY;
 
   if (b_priority.resolution != a_priority.resolution) {
     return (prioritize_low_res && b_priority.resolution == LOW_RESOLUTION) ||
            (!prioritize_low_res && b_priority.resolution == HIGH_RESOLUTION) ||
            (a_priority.resolution == NON_IDEAL_RESOLUTION);
   }
   return a_priority.IsHigherPriorityThan(b_priority);
 }
 
-void TileManager::SetRasterizersForTesting(Rasterizer* rasterizer,
-                                           Rasterizer* gpu_rasterizer) {
-  Rasterizer* rasterizers[2] = {rasterizer, gpu_rasterizer};
-  rasterizer_delegate_ =
-      RasterizerDelegate::Create(this, rasterizers, arraysize(rasterizers));
+void TileManager::SetRasterizerForTesting(Rasterizer* rasterizer) {
+  rasterizer_ = rasterizer;
+  rasterizer_->SetClient(this);
 }
 
 }  // namespace cc