Reland of cc: Add mailbox support to ResourceProvider write locks.

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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 44 matching lines @@
 #include "cc/output/delegating_renderer.h"
 #include "cc/output/gl_renderer.h"
 #include "cc/output/software_renderer.h"
 #include "cc/output/texture_mailbox_deleter.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/quads/shared_quad_state.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/texture_draw_quad.h"
 #include "cc/raster/bitmap_raster_buffer_provider.h"
 #include "cc/raster/gpu_raster_buffer_provider.h"
-#include "cc/raster/gpu_rasterizer.h"
 #include "cc/raster/one_copy_raster_buffer_provider.h"
 #include "cc/raster/raster_buffer_provider.h"
 #include "cc/raster/synchronous_task_graph_runner.h"
 #include "cc/raster/zero_copy_raster_buffer_provider.h"
 #include "cc/resources/memory_history.h"
 #include "cc/resources/resource_pool.h"
 #include "cc/resources/ui_resource_bitmap.h"
 #include "cc/scheduler/delay_based_time_source.h"
 #include "cc/tiles/eviction_tile_priority_queue.h"
 #include "cc/tiles/gpu_image_decode_controller.h"
@@ skipping 2098 matching lines @@
   // See note in LayerTreeImpl::UpdateDrawProperties.  Renderer needs to be
   // initialized to get max texture size.  Also, after releasing resources,
   // trees need another update to generate new ones.
   active_tree_->set_needs_update_draw_properties();
   if (pending_tree_)
     pending_tree_->set_needs_update_draw_properties();
   client_->UpdateRendererCapabilitiesOnImplThread();
 }
 
 void LayerTreeHostImpl::CreateTileManagerResources() {
-  std::unique_ptr<RasterBufferProvider> raster_buffer_provider;
-  CreateResourceAndRasterBufferProvider(&raster_buffer_provider,
+  CreateResourceAndRasterBufferProvider(&raster_buffer_provider_,
                                         &resource_pool_);
 
   if (use_gpu_rasterization_) {
     image_decode_controller_ = base::WrapUnique(new GpuImageDecodeController(
         output_surface_->worker_context_provider(),
         settings_.renderer_settings.preferred_tile_format,
         settings_.gpu_decoded_image_budget_bytes));
   } else {
     image_decode_controller_ =
         base::WrapUnique(new SoftwareImageDecodeController(
             settings_.renderer_settings.preferred_tile_format,
             settings_.software_decoded_image_budget_bytes));
   }
 
   // Pass the single-threaded synchronous task graph runner to the worker pool
   // if we're in synchronous single-threaded mode.
   TaskGraphRunner* task_graph_runner = task_graph_runner_;
   if (is_synchronous_single_threaded_) {
     DCHECK(!single_thread_synchronous_task_graph_runner_);
     single_thread_synchronous_task_graph_runner_.reset(
         new SynchronousTaskGraphRunner);
     task_graph_runner = single_thread_synchronous_task_graph_runner_.get();
   }
 
-  tile_task_manager_ = TileTaskManagerImpl::Create(
-      std::move(raster_buffer_provider), task_graph_runner);
+  tile_task_manager_ = TileTaskManagerImpl::Create(task_graph_runner);
 
   // TODO(vmpstr): Initialize tile task limit at ctor time.
   tile_manager_.SetResources(
       resource_pool_.get(), image_decode_controller_.get(),
-      tile_task_manager_.get(),
+      tile_task_manager_.get(), raster_buffer_provider_.get(),
       is_synchronous_single_threaded_ ? std::numeric_limits<size_t>::max()
                                       : settings_.scheduled_raster_task_limit,
       use_gpu_rasterization_);
   UpdateTileManagerMemoryPolicy(ActualManagedMemoryPolicy());
 }
 
 void LayerTreeHostImpl::CreateResourceAndRasterBufferProvider(
     std::unique_ptr<RasterBufferProvider>* raster_buffer_provider,
     std::unique_ptr<ResourcePool>* resource_pool) {
   DCHECK(GetTaskRunner());
@@ skipping 18 matching lines @@
     DCHECK(worker_context_provider);
 
     *resource_pool =
         ResourcePool::Create(resource_provider_.get(), GetTaskRunner());
 
     int msaa_sample_count = use_msaa_ ? RequestedMSAASampleCount() : 0;
 
     *raster_buffer_provider = base::MakeUnique<GpuRasterBufferProvider>(
         compositor_context_provider, worker_context_provider,
         resource_provider_.get(), settings_.use_distance_field_text,
-        msaa_sample_count);
+        msaa_sample_count, settings_.async_worker_context_enabled);
     return;
   }
 
   DCHECK(GetRendererCapabilities().using_image);
 
   bool use_zero_copy = settings_.use_zero_copy;
   // TODO(reveman): Remove this when mojo supports worker contexts.
   // crbug.com/522440
   if (!use_zero_copy && !worker_context_provider) {
     LOG(ERROR)
@@ skipping 15 matching lines @@
       ResourcePool::Create(resource_provider_.get(), GetTaskRunner());
 
   const int max_copy_texture_chromium_size =
       compositor_context_provider->ContextCapabilities()
           .max_copy_texture_chromium_size;
 
   *raster_buffer_provider = base::MakeUnique<OneCopyRasterBufferProvider>(
       GetTaskRunner(), compositor_context_provider, worker_context_provider,
       resource_provider_.get(), max_copy_texture_chromium_size,
       settings_.use_partial_raster, settings_.max_staging_buffer_usage_in_bytes,
-      settings_.renderer_settings.preferred_tile_format);
+      settings_.renderer_settings.preferred_tile_format,
+      settings_.async_worker_context_enabled);
 }
 
 void LayerTreeHostImpl::SetLayerTreeMutator(
     std::unique_ptr<LayerTreeMutator> mutator) {
   if (mutator == mutator_)
     return;
   TRACE_EVENT0(TRACE_DISABLED_BY_DEFAULT("compositor-worker"),
                "LayerTreeHostImpl::SetLayerTreeMutator");
   mutator_ = std::move(mutator);
   mutator_->SetClient(this);
@@ skipping 1732 matching lines @@
     const {
   return fixed_raster_scale_attempted_scale_change_history_.count() >=
          kFixedRasterScaleAttemptedScaleChangeThreshold;
 }
 
 void LayerTreeHostImpl::SetFixedRasterScaleAttemptedToChangeScale() {
   fixed_raster_scale_attempted_scale_change_history_.set(0);
 }
 
 }  // namespace cc