command_buffer: Batch command processing to reduce handler overheads.

gpu/command_buffer/service/common_decoder_unittest.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/common_decoder.h"
 #include "gpu/command_buffer/service/cmd_buffer_engine.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gpu {
 
@@ skipping 149 matching lines @@
   virtual void SetUp() {
     decoder_.set_engine(&engine_);
   }
 
   virtual void TearDown() {
   }
 
   template <typename T>
   error::Error ExecuteCmd(const T& cmd) {
     COMPILE_ASSERT(T::kArgFlags == cmd::kFixed, Cmd_kArgFlags_not_kFixed);
-    return decoder_.DoCommand(cmd.kCmdId,
-                              ComputeNumEntries(sizeof(cmd)) - 1,
-                              &cmd);
+    return decoder_.DoCommands(
+        1, (const void*)&cmd, ComputeNumEntries(sizeof(cmd)), 0);
   }
 
   template <typename T>
   error::Error ExecuteImmediateCmd(const T& cmd, size_t data_size) {
     COMPILE_ASSERT(T::kArgFlags == cmd::kAtLeastN, Cmd_kArgFlags_not_kAtLeastN);
-    return decoder_.DoCommand(cmd.kCmdId,
-                              ComputeNumEntries(sizeof(cmd) + data_size) - 1,
-                              &cmd);
+    return decoder_.DoCommands(
+        1, (const void*)&cmd, ComputeNumEntries(sizeof(cmd) + data_size), 0);
   }
 
   MockCommandBufferEngine engine_;
   TestCommonDecoder decoder_;
 };
 
 TEST_F(CommonDecoderTest, Initialize) {
   EXPECT_EQ(0, engine_.GetGetOffset());
 }
 
@@ skipping 315 matching lines @@
            MockCommandBufferEngine::kValidShmId, kSomeOffsetInSharedMemory);
   EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
 
   // Check that it fails if the size is invalid
   cmd.Init(kBucketId, 0, sizeof(kData) + 1,
            MockCommandBufferEngine::kValidShmId, kSomeOffsetInSharedMemory);
   EXPECT_NE(error::kNoError, ExecuteCmd(cmd));
 }
 
 }  // namespace gpu