Tile Compression

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 "base/basictypes.h"
@@ skipping 1947 matching lines @@
   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(),
+      settings_.renderer_settings.tile_compression_threshold,
       rendering_stats_instrumentation_, scheduled_raster_task_limit);
 
   UpdateTileManagerMemoryPolicy(ActualManagedMemoryPolicy());
 }
 
 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();
   if (!context_provider) {
     *resource_pool =
-        ResourcePool::Create(resource_provider_.get(),
-                             GL_TEXTURE_2D,
-                             resource_provider_->best_texture_format());
+        ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D, false);
 
     *tile_task_worker_pool = BitmapTileTaskWorkerPool::Create(
         task_runner, TileTaskWorkerPool::GetTaskGraphRunner(),
         resource_provider_.get());
     return;
   }
 
   if (use_gpu_rasterization_) {
     *resource_pool =
-        ResourcePool::Create(resource_provider_.get(),
-                             GL_TEXTURE_2D,
-                             resource_provider_->best_texture_format());
+        ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D, false);
 
     *tile_task_worker_pool = GpuTileTaskWorkerPool::Create(
         task_runner, context_provider, resource_provider_.get(),
         settings_.use_distance_field_text);
     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,
         context_provider->ContextCapabilities().gpu.egl_image_external);
 
     if (settings_.use_zero_copy || IsSynchronousSingleThreaded()) {
       *resource_pool =
-          ResourcePool::Create(resource_provider_.get(), image_target,
-                               resource_provider_->best_texture_format());
+          ResourcePool::Create(resource_provider_.get(), image_target, false);
 
       TaskGraphRunner* task_graph_runner;
       if (IsSynchronousSingleThreaded()) {
         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();
       } else {
         task_graph_runner = TileTaskWorkerPool::GetTaskGraphRunner();
       }
 
       *tile_task_worker_pool = ZeroCopyTileTaskWorkerPool::Create(
           task_runner, task_graph_runner, resource_provider_.get());
       return;
     }
 
     if (settings_.use_one_copy) {
       // We need to create a staging resource pool when using copy rasterizer.
       *staging_resource_pool =
-          ResourcePool::Create(resource_provider_.get(), image_target,
-                               resource_provider_->best_texture_format());
+          ResourcePool::Create(resource_provider_.get(), image_target, true);
       *resource_pool =
-          ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D,
-                               resource_provider_->best_texture_format());
+          ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D, true);
 
       *tile_task_worker_pool = OneCopyTileTaskWorkerPool::Create(
           task_runner, TileTaskWorkerPool::GetTaskGraphRunner(),
           context_provider, resource_provider_.get(),
           staging_resource_pool_.get());
       return;
     }
   }
 
-  *resource_pool = ResourcePool::Create(
-      resource_provider_.get(), GL_TEXTURE_2D,
-      resource_provider_->memory_efficient_texture_format());
+  *resource_pool =
+      ResourcePool::Create(resource_provider_.get(), GL_TEXTURE_2D, true);
 
   *tile_task_worker_pool = PixelBufferTileTaskWorkerPool::Create(
       task_runner, TileTaskWorkerPool::GetTaskGraphRunner(), context_provider,
       resource_provider_.get(),
       GetMaxTransferBufferUsageBytes(context_provider->ContextCapabilities(),
                                      settings_.renderer_settings.refresh_rate));
 }
 
 void LayerTreeHostImpl::DestroyTileManager() {
   tile_manager_ = nullptr;
@@ skipping 34 matching lines @@
 
   if (!output_surface->BindToClient(this))
     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.enable_tile_compression,
       settings_.renderer_settings.texture_id_allocation_chunk_size);
 
+  resource_provider_->set_preferred_tile_compression_method(
+      settings_.renderer_settings.tile_compression_method);
+
   if (output_surface_->capabilities().deferred_gl_initialization)
     EnforceZeroBudget(true);
 
   CreateAndSetRenderer();
 
   if (settings_.impl_side_painting)
     CreateAndSetTileManager();
 
   // Initialize vsync parameters to sane values.
   const base::TimeDelta display_refresh_interval =
@@ skipping 1359 matching lines @@
 }
 
 void LayerTreeHostImpl::UnregisterPictureLayerImpl(PictureLayerImpl* layer) {
   std::vector<PictureLayerImpl*>::iterator it =
       std::find(picture_layers_.begin(), picture_layers_.end(), layer);
   DCHECK(it != picture_layers_.end());
   picture_layers_.erase(it);
 }
 
 }  // namespace cc