Implemented new fence syncs which replaces the old sync points.

gpu/command_buffer/tests/gl_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/tests/gl_manager.h"
 
 #include <GLES2/gl2.h>
 #include <GLES2/gl2ext.h>
 #include <GLES2/gl2extchromium.h>
 
@@ skipping 93 matching lines @@
 GLManager::Options::Options()
     : size(4, 4),
       share_group_manager(NULL),
       share_mailbox_manager(NULL),
       virtual_manager(NULL),
       bind_generates_resource(false),
       lose_context_when_out_of_memory(false),
       context_lost_allowed(false),
       context_type(gles2::CONTEXT_TYPE_OPENGLES2) {}
 
-GLManager::GLManager() : context_lost_allowed_(false) {
+GLManager::GLManager()
+    : context_lost_allowed_(false),
+      next_fence_sync_release_(1) {
   SetupBaseContext();
 }
 
 GLManager::~GLManager() {
   --use_count_;
   if (!use_count_) {
     if (base_share_group_) {
       delete base_context_;
       base_context_ = NULL;
     }
@@ skipping 312 matching lines @@
 }
 
 gpu::CommandBufferNamespace GLManager::GetNamespaceID() const {
   return gpu::CommandBufferNamespace::IN_PROCESS;
 }
 
 uint64_t GLManager::GetCommandBufferID() const {
   return 0;
 }
 
+uint32_t GLManager::GenerateFenceSyncRelease() {
+  return next_fence_sync_release_++;
+}
+
+bool GLManager::IsFenceSyncRelease(uint32_t release) {
+  return release > 0 && release < next_fence_sync_release_;
+}
+
+bool GLManager::IsFenceSyncFlushed(uint32_t release) {
+  return IsFenceSyncRelease(release);
+}
+
 }  // namespace gpu