Allow task pools to reason about transparency.

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>
 #include <set>
@@ skipping 2085 matching lines @@
     LOG(ERROR)
         << "Forcing zero-copy tile initialization as worker context is missing";
     use_zero_copy = true;
   }
 
   if (use_zero_copy) {
     *resource_pool =
         ResourcePool::Create(resource_provider_.get(), GetTaskRunner());
 
     *tile_task_worker_pool = ZeroCopyTileTaskWorkerPool::Create(
-        GetTaskRunner(), task_graph_runner, resource_provider_.get());
+        GetTaskRunner(), task_graph_runner, resource_provider_.get(),
+        settings_.renderer_settings.use_rgba_4444_textures);
     return;
   }
 
   *resource_pool = ResourcePool::Create(resource_provider_.get(),
                                         GetTaskRunner(), GL_TEXTURE_2D);
 
   int max_copy_texture_chromium_size = context_provider->ContextCapabilities()
                                            .gpu.max_copy_texture_chromium_size;
 
   *tile_task_worker_pool = OneCopyTileTaskWorkerPool::Create(
       GetTaskRunner(), task_graph_runner, context_provider,
       resource_provider_.get(), max_copy_texture_chromium_size,
       settings_.use_persistent_map_for_gpu_memory_buffers,
-      settings_.max_staging_buffer_usage_in_bytes);
+      settings_.max_staging_buffer_usage_in_bytes,
+      settings_.renderer_settings.use_rgba_4444_textures);
 }
 
 void LayerTreeHostImpl::RecordMainFrameTiming(
     const BeginFrameArgs& start_of_main_frame_args,
     const BeginFrameArgs& expected_next_main_frame_args) {
   std::vector<int64_t> request_ids;
   active_tree_->GatherFrameTimingRequestIds(&request_ids);
   if (request_ids.empty())
     return;
 
@@ skipping 37 matching lines @@
     // information to do this yet (eg. we don't have a TileManager at this
     // point).
     return false;
   }
 
   output_surface_ = output_surface.Pass();
   resource_provider_ = ResourceProvider::Create(
       output_surface_.get(), shared_bitmap_manager_, gpu_memory_buffer_manager_,
       proxy_->blocking_main_thread_task_runner(),
       settings_.renderer_settings.highp_threshold_min,
-      settings_.renderer_settings.use_rgba_4444_textures,
       settings_.renderer_settings.texture_id_allocation_chunk_size,
       settings_.use_image_texture_targets);
 
   CreateAndSetRenderer();
 
   // Since the new renderer may be capable of MSAA, update status here.
   UpdateGpuRasterizationStatus();
 
   CreateTileManagerResources();
   RecreateTreeResources();
@@ skipping 1397 matching lines @@
   if (active_tree()) {
     LayerAnimationValueProvider* layer = active_tree()->LayerById(layer_id);
     if (layer)
       return layer->ScrollOffsetForAnimation();
   }
 
   return gfx::ScrollOffset();
 }
 
 }  // namespace cc