Optimize GetBucketContents

gpu/command_buffer/client/cmd_buffer_helper.h

 // 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.
 
 // This file contains the command buffer helper class.
 
 #ifndef GPU_COMMAND_BUFFER_CLIENT_CMD_BUFFER_HELPER_H_
 #define GPU_COMMAND_BUFFER_CLIENT_CMD_BUFFER_HELPER_H_
 
 #include <string.h>
@@ skipping 191 matching lines @@
   void SetBucketDataImmediate(
       uint32 bucket_id, uint32 offset, const void* data, uint32 size) {
     cmd::SetBucketDataImmediate* cmd =
         GetImmediateCmdSpace<cmd::SetBucketDataImmediate>(size);
     if (cmd) {
       cmd->Init(bucket_id, offset, size);
       memcpy(ImmediateDataAddress(cmd), data, size);
     }
   }
 
-  void GetBucketSize(uint32 bucket_id,
-                     uint32 shared_memory_id,
-                     uint32 shared_memory_offset) {
-    cmd::GetBucketSize* cmd = GetCmdSpace<cmd::GetBucketSize>();
+  void GetBucketStart(uint32 bucket_id,
+                      uint32 result_memory_id,
+                      uint32 result_memory_offset,
+                      uint32 data_memory_size,
+                      uint32 data_memory_id,
+                      uint32 data_memory_offset) {
+    cmd::GetBucketStart* cmd = GetCmdSpace<cmd::GetBucketStart>();
     if (cmd) {
       cmd->Init(bucket_id,
-                shared_memory_id,
-                shared_memory_offset);
+                result_memory_id,
+                result_memory_offset,
+                data_memory_size,
+                data_memory_id,
+                data_memory_offset);
     }
   }
 
   void GetBucketData(uint32 bucket_id,
                      uint32 offset,
                      uint32 size,
                      uint32 shared_memory_id,
                      uint32 shared_memory_offset) {
     cmd::GetBucketData* cmd = GetCmdSpace<cmd::GetBucketData>();
     if (cmd) {
@@ skipping 55 matching lines @@
   // Using C runtime instead of base because this file cannot depend on base.
   clock_t last_flush_time_;
 
   friend class CommandBufferHelperTest;
   DISALLOW_COPY_AND_ASSIGN(CommandBufferHelper);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_CMD_BUFFER_HELPER_H_