gpu: Reuse transfer buffers more aggresively

gpu/command_buffer/service/query_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/query_manager.h"
 
 #include "base/atomicops.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/shared_memory.h"
@@ skipping 414 matching lines @@
     GLenum target, GLuint client_id, int32 shm_id, uint32 shm_offset) {
   scoped_refptr<Query> query;
   switch (target) {
     case GL_COMMANDS_ISSUED_CHROMIUM:
       query = new CommandsIssuedQuery(this, target, shm_id, shm_offset);
       break;
     case GL_LATENCY_QUERY_CHROMIUM:
       query = new CommandLatencyQuery(this, target, shm_id, shm_offset);
       break;
     case GL_ASYNC_PIXEL_UNPACK_COMPLETED_CHROMIUM:
+    case GL_ASYNC_PIXEL_UNPACK_COMPLETED_PRIVATE_CHROMIUM:
       // Currently async pixel transfer delegates only support uploads.
       query = new AsyncPixelTransfersCompletedQuery(
           this, target, shm_id, shm_offset);
       break;
     case GL_ASYNC_PIXEL_PACK_COMPLETED_CHROMIUM:
       query = new AsyncReadPixelsCompletedQuery(
           this, target, shm_id, shm_offset);
       break;
     case GL_GET_ERROR_QUERY_CHROMIUM:
       query = new GetErrorQuery(this, target, shm_id, shm_offset);
@@ skipping 226 matching lines @@
 bool QueryManager::EndQuery(Query* query, uint32 submit_count) {
   DCHECK(query);
   if (!RemovePendingQuery(query)) {
     return false;
   }
   return query->End(submit_count);
 }
 
 }  // namespace gles2
 }  // namespace gpu