Track managed memory usage in the command buffer.

gpu/command_buffer/service/renderbuffer_manager.cc

 // Copyright (c) 2012 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 "gpu/command_buffer/service/renderbuffer_manager.h"
 #include "base/logging.h"
 #include "base/debug/trace_event.h"
 #include "base/stringprintf.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/memory_tracking.h"
 
 namespace gpu {
 namespace gles2 {
 
 RenderbufferManager::RenderbufferManager(
     MemoryTracker* memory_tracker,
     GLint max_renderbuffer_size,
     GLint max_samples)
-    : renderbuffer_memory_tracker_(new MemoryTypeTracker(memory_tracker)),
+    : memory_tracker_(
+          new MemoryTypeTracker(memory_tracker, MemoryTracker::kUnmanaged)),
       max_renderbuffer_size_(max_renderbuffer_size),
       max_samples_(max_samples),
       num_uncleared_renderbuffers_(0),
-      mem_represented_(0),
       renderbuffer_info_count_(0),
       have_context_(true) {
-  UpdateMemRepresented();
+  memory_tracker_->UpdateMemRepresented();
 }
 
 RenderbufferManager::~RenderbufferManager() {
   DCHECK(renderbuffer_infos_.empty());
   // If this triggers, that means something is keeping a reference to
   // a RenderbufferInfo belonging to this.
   CHECK_EQ(renderbuffer_info_count_, 0u);
 
   DCHECK_EQ(0, num_uncleared_renderbuffers_);
 }
@@ skipping 15 matching lines @@
   if (manager_) {
     if (manager_->have_context_) {
       GLuint id = service_id();
       glDeleteRenderbuffersEXT(1, &id);
     }
     manager_->StopTracking(this);
     manager_ = NULL;
   }
 }
 
-
-void RenderbufferManager::UpdateMemRepresented() {
-  renderbuffer_memory_tracker_->UpdateMemRepresented(mem_represented_);
-}
-
 void RenderbufferManager::Destroy(bool have_context) {
   have_context_ = have_context;
   renderbuffer_infos_.clear();
-  DCHECK_EQ(0u, mem_represented_);
-  UpdateMemRepresented();
+  DCHECK_EQ(0u, memory_tracker_->GetMemRepresented());
+  memory_tracker_->UpdateMemRepresented();
 }
 
 void RenderbufferManager::StartTracking(RenderbufferInfo* /* renderbuffer */) {
   ++renderbuffer_info_count_;
 }
 
 void RenderbufferManager::StopTracking(RenderbufferInfo* renderbuffer) {
   --renderbuffer_info_count_;
   if (!renderbuffer->cleared()) {
     --num_uncleared_renderbuffers_;
   }
-  mem_represented_ -= renderbuffer->EstimatedSize();
+  memory_tracker_->TrackMemFree(renderbuffer->EstimatedSize());
+  memory_tracker_->UpdateMemRepresented();
 }
 
 void RenderbufferManager::SetInfo(
     RenderbufferInfo* renderbuffer,
     GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) {
   DCHECK(renderbuffer);
   if (!renderbuffer->cleared()) {
     --num_uncleared_renderbuffers_;
   }
-  mem_represented_ -= renderbuffer->EstimatedSize();
+  memory_tracker_->TrackMemFree(renderbuffer->EstimatedSize());
   renderbuffer->SetInfo(samples, internalformat, width, height);
-  mem_represented_ += renderbuffer->EstimatedSize();
-  UpdateMemRepresented();
+  memory_tracker_->TrackMemAlloc(renderbuffer->EstimatedSize());
+  memory_tracker_->UpdateMemRepresented();
   if (!renderbuffer->cleared()) {
     ++num_uncleared_renderbuffers_;
   }
 }
 
 void RenderbufferManager::SetCleared(RenderbufferInfo* renderbuffer,
                                      bool cleared) {
   DCHECK(renderbuffer);
   if (!renderbuffer->cleared()) {
     --num_uncleared_renderbuffers_;
@@ skipping 40 matching lines @@
       return true;
     }
   }
   return false;
 }
 
 }  // namespace gles2
 }  // namespace gpu