gpu: Compositor management of GpuMemoryBuffer instances.

cc/trees/layer_tree_host.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.h"
 
 #include <algorithm>
 #include <stack>
 #include <string>
 
@@ skipping 49 matching lines @@
 RendererCapabilities::RendererCapabilities()
     : best_texture_format(RGBA_8888),
       allow_partial_texture_updates(false),
       max_texture_size(0),
       using_shared_memory_resources(false) {}
 
 RendererCapabilities::~RendererCapabilities() {}
 
 scoped_ptr<LayerTreeHost> LayerTreeHost::CreateThreaded(
     LayerTreeHostClient* client,
-    SharedBitmapManager* manager,
+    SharedBitmapManager* shared_bitmap_manager,
+    GpuMemoryBufferManager* gpu_memory_buffer_manager,
     const LayerTreeSettings& settings,
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner) {
   DCHECK(main_task_runner.get());
   DCHECK(impl_task_runner.get());
-  scoped_ptr<LayerTreeHost> layer_tree_host(
-      new LayerTreeHost(client, manager, settings));
+  scoped_ptr<LayerTreeHost> layer_tree_host(new LayerTreeHost(
+      client, shared_bitmap_manager, gpu_memory_buffer_manager, settings));
   layer_tree_host->InitializeThreaded(main_task_runner, impl_task_runner);
   return layer_tree_host.Pass();
 }
 
 scoped_ptr<LayerTreeHost> LayerTreeHost::CreateSingleThreaded(
     LayerTreeHostClient* client,
     LayerTreeHostSingleThreadClient* single_thread_client,
-    SharedBitmapManager* manager,
+    SharedBitmapManager* shared_bitmap_manager,
+    GpuMemoryBufferManager* gpu_memory_buffer_manager,
     const LayerTreeSettings& settings,
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner) {
-  scoped_ptr<LayerTreeHost> layer_tree_host(
-      new LayerTreeHost(client, manager, settings));
+  scoped_ptr<LayerTreeHost> layer_tree_host(new LayerTreeHost(
+      client, shared_bitmap_manager, gpu_memory_buffer_manager, settings));
   layer_tree_host->InitializeSingleThreaded(single_thread_client,
                                             main_task_runner);
   return layer_tree_host.Pass();
 }
 
 LayerTreeHost::LayerTreeHost(LayerTreeHostClient* client,
-                             SharedBitmapManager* manager,
+                             SharedBitmapManager* shared_bitmap_manager,
+                             GpuMemoryBufferManager* gpu_memory_buffer_manager,
                              const LayerTreeSettings& settings)
     : micro_benchmark_controller_(this),
       next_ui_resource_id_(1),
       inside_begin_main_frame_(false),
       needs_full_tree_sync_(true),
       client_(client),
       source_frame_number_(0),
       rendering_stats_instrumentation_(RenderingStatsInstrumentation::Create()),
       output_surface_lost_(true),
       num_failed_recreate_attempts_(0),
       settings_(settings),
       debug_state_(settings.initial_debug_state),
       top_controls_layout_height_(0.f),
       top_controls_content_offset_(0.f),
       device_scale_factor_(1.f),
       visible_(true),
       page_scale_factor_(1.f),
       min_page_scale_factor_(1.f),
       max_page_scale_factor_(1.f),
       has_gpu_rasterization_trigger_(false),
       content_is_suitable_for_gpu_rasterization_(true),
       gpu_rasterization_histogram_recorded_(false),
       background_color_(SK_ColorWHITE),
       has_transparent_background_(false),
       partial_texture_update_requests_(0),
       in_paint_layer_contents_(false),
       total_frames_used_for_lcd_text_metrics_(0),
       id_(s_layer_tree_host_sequence_number.GetNext() + 1),
       next_commit_forces_redraw_(false),
-      shared_bitmap_manager_(manager) {
+      shared_bitmap_manager_(shared_bitmap_manager),
+      gpu_memory_buffer_manager_(gpu_memory_buffer_manager) {
   if (settings_.accelerated_animation_enabled)
     animation_registrar_ = AnimationRegistrar::Create();
   rendering_stats_instrumentation_->set_record_rendering_stats(
       debug_state_.RecordRenderingStats());
 }
 
 void LayerTreeHost::InitializeThreaded(
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner) {
   InitializeProxy(
@@ skipping 286 matching lines @@
 
 scoped_ptr<LayerTreeHostImpl> LayerTreeHost::CreateLayerTreeHostImpl(
     LayerTreeHostImplClient* client) {
   DCHECK(proxy_->IsImplThread());
   scoped_ptr<LayerTreeHostImpl> host_impl =
       LayerTreeHostImpl::Create(settings_,
                                 client,
                                 proxy_.get(),
                                 rendering_stats_instrumentation_.get(),
                                 shared_bitmap_manager_,
+                                gpu_memory_buffer_manager_,
                                 id_);
   host_impl->SetUseGpuRasterization(UseGpuRasterization());
   shared_bitmap_manager_ = NULL;
+  gpu_memory_buffer_manager_ = NULL;
   if (settings_.calculate_top_controls_position &&
       host_impl->top_controls_manager()) {
     top_controls_manager_weak_ptr_ =
         host_impl->top_controls_manager()->AsWeakPtr();
   }
   input_handler_weak_ptr_ = host_impl->AsWeakPtr();
   return host_impl.Pass();
 }
 
 void LayerTreeHost::DidLoseOutputSurface() {
@@ skipping 888 matching lines @@
   swap_promise_list_.push_back(swap_promise.Pass());
 }
 
 void LayerTreeHost::BreakSwapPromises(SwapPromise::DidNotSwapReason reason) {
   for (size_t i = 0; i < swap_promise_list_.size(); i++)
     swap_promise_list_[i]->DidNotSwap(reason);
   swap_promise_list_.clear();
 }
 
 }  // namespace cc