gpu: Compositor management of GpuMemoryBuffer instances.

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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 "content/renderer/gpu/render_widget_compositor.h"
 
 #include <limits>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 10 matching lines @@
 #include "cc/blink/web_layer_impl.h"
 #include "cc/debug/layer_tree_debug_state.h"
 #include "cc/debug/micro_benchmark.h"
 #include "cc/input/layer_selection_bound.h"
 #include "cc/layers/layer.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/copy_output_result.h"
 #include "cc/resources/single_release_callback.h"
 #include "cc/trees/layer_tree_host.h"
+#include "content/child/child_gpu_memory_buffer_manager.h"
 #include "content/child/child_shared_bitmap_manager.h"
 #include "content/common/content_switches_internal.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/public/common/content_switches.h"
 #include "content/renderer/input/input_handler_manager.h"
 #include "content/renderer/render_thread_impl.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "third_party/WebKit/public/platform/WebCompositeAndReadbackAsyncCallback.h"
 #include "third_party/WebKit/public/platform/WebSelectionBound.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
@@ skipping 479 matching lines @@
     scoped_ptr<base::Value> value) {
   return layer_tree_host_->SendMessageToMicroBenchmark(id, value.Pass());
 }
 
 void RenderWidgetCompositor::Initialize(cc::LayerTreeSettings settings) {
   scoped_refptr<base::MessageLoopProxy> compositor_message_loop_proxy;
   scoped_refptr<base::SingleThreadTaskRunner>
       main_thread_compositor_task_runner(base::MessageLoopProxy::current());
   RenderThreadImpl* render_thread = RenderThreadImpl::current();
   cc::SharedBitmapManager* shared_bitmap_manager = NULL;
+  cc::GpuMemoryBufferManager* gpu_memory_buffer_manager = NULL;
   // render_thread may be NULL in tests.
   if (render_thread) {
     compositor_message_loop_proxy =
         render_thread->compositor_message_loop_proxy();
     shared_bitmap_manager = render_thread->shared_bitmap_manager();
+    gpu_memory_buffer_manager = render_thread->gpu_memory_buffer_manager();
     main_thread_compositor_task_runner =
         render_thread->main_thread_compositor_task_runner();
   }
   if (compositor_message_loop_proxy.get()) {
     layer_tree_host_ =
         cc::LayerTreeHost::CreateThreaded(this,
                                           shared_bitmap_manager,
+                                          gpu_memory_buffer_manager,
                                           settings,
                                           main_thread_compositor_task_runner,
                                           compositor_message_loop_proxy);
   } else {
     layer_tree_host_ = cc::LayerTreeHost::CreateSingleThreaded(
         this,
         this,
         shared_bitmap_manager,
+        gpu_memory_buffer_manager,
         settings,
         main_thread_compositor_task_runner);
   }
   DCHECK(layer_tree_host_);
 }
 
 void RenderWidgetCompositor::setSurfaceReady() {
   // In tests without a RenderThreadImpl, don't set ready as this kicks
   // off creating output surfaces that the test can't create.
   if (RenderThreadImpl::current())
@@ skipping 310 matching lines @@
   widget_->OnSwapBuffersAborted();
 }
 
 void RenderWidgetCompositor::RateLimitSharedMainThreadContext() {
   cc::ContextProvider* provider =
       RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
   provider->ContextGL()->RateLimitOffscreenContextCHROMIUM();
 }
 
 }  // namespace content