gpu: Compositor management of GpuMemoryBuffer instances.

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 194 matching lines @@
 LayerTreeHostImpl::FrameData::FrameData()
     : contains_incomplete_tile(false), has_no_damage(false) {}
 
 LayerTreeHostImpl::FrameData::~FrameData() {}
 
 scoped_ptr<LayerTreeHostImpl> LayerTreeHostImpl::Create(
     const LayerTreeSettings& settings,
     LayerTreeHostImplClient* client,
     Proxy* proxy,
     RenderingStatsInstrumentation* rendering_stats_instrumentation,
-    SharedBitmapManager* manager,
+    SharedBitmapManager* shared_bitmap_manager,
+    GpuMemoryBufferManager* gpu_memory_buffer_manager,
     int id) {
-  return make_scoped_ptr(new LayerTreeHostImpl(
-      settings, client, proxy, rendering_stats_instrumentation, manager, id));
+  return make_scoped_ptr(new LayerTreeHostImpl(settings,
+                                               client,
+                                               proxy,
+                                               rendering_stats_instrumentation,
+                                               shared_bitmap_manager,
+                                               gpu_memory_buffer_manager,
+                                               id));
 }
 
 LayerTreeHostImpl::LayerTreeHostImpl(
     const LayerTreeSettings& settings,
     LayerTreeHostImplClient* client,
     Proxy* proxy,
     RenderingStatsInstrumentation* rendering_stats_instrumentation,
-    SharedBitmapManager* manager,
+    SharedBitmapManager* shared_bitmap_manager,
+    GpuMemoryBufferManager* gpu_memory_buffer_manager,
     int id)
     : BeginFrameSourceMixIn(),
       client_(client),
       proxy_(proxy),
       use_gpu_rasterization_(false),
       input_handler_client_(NULL),
       did_lock_scrolling_layer_(false),
       should_bubble_scrolls_(false),
       wheel_scrolling_(false),
       scroll_affects_scroll_handler_(false),
@@ skipping 18 matching lines @@
       max_memory_needed_bytes_(0),
       zero_budget_(false),
       device_scale_factor_(1.f),
       overhang_ui_resource_id_(0),
       resourceless_software_draw_(false),
       begin_impl_frame_interval_(BeginFrameArgs::DefaultInterval()),
       animation_registrar_(AnimationRegistrar::Create()),
       rendering_stats_instrumentation_(rendering_stats_instrumentation),
       micro_benchmark_controller_(this),
       need_to_update_visible_tiles_before_draw_(false),
-      shared_bitmap_manager_(manager),
+      shared_bitmap_manager_(shared_bitmap_manager),
+      gpu_memory_buffer_manager_(gpu_memory_buffer_manager),
       id_(id),
       requires_high_res_to_draw_(false) {
   DCHECK(proxy_->IsImplThread());
   DidVisibilityChange(this, visible_);
   animation_registrar_->set_supports_scroll_animations(
       proxy_->SupportsImplScrolling());
 
   SetDebugState(settings.initial_debug_state);
 
   // LTHI always has an active tree.
@@ skipping 1779 matching lines @@
   resource_provider_ = nullptr;
   output_surface_ = nullptr;
 
   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_.highp_threshold_min,
                                settings_.use_rgba_4444_textures,
                                settings_.texture_id_allocation_chunk_size,
                                settings_.use_distance_field_text);
 
   if (output_surface_->capabilities().deferred_gl_initialization)
     EnforceZeroBudget(true);
 
   CreateAndSetRenderer();
@@ skipping 1310 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